1 /* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
2 /* GTK - The GIMP Toolkit
3 * gtktextview.c Copyright (C) 2000 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
20 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
21 * file for a list of people on the GTK+ Team. See the ChangeLog
22 * files for a list of changes. These files are distributed with
23 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
30 #define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
31 #include "gtkbindings.h"
33 #include "gtkimagemenuitem.h"
36 #include "gtkmarshalers.h"
38 #include "gtkmenuitem.h"
39 #include "gtkseparatormenuitem.h"
40 #include "gtksettings.h"
41 #include "gtkselectionprivate.h"
43 #include "gtktextbufferrichtext.h"
44 #include "gtktextdisplay.h"
45 #include "gtktextview.h"
46 #include "gtkimmulticontext.h"
47 #include "gtkprivate.h"
48 #include "gtktextutil.h"
49 #include "gtkwidgetprivate.h"
50 #include "gtkwindow.h"
51 #include "gtkscrollable.h"
52 #include "gtktypebuiltins.h"
53 #include "gtktexthandleprivate.h"
54 #include "gtkstylecontextprivate.h"
55 #include "gtkcssstylepropertyprivate.h"
56 #include "gtkselectionwindow.h"
58 #include "a11y/gtktextviewaccessibleprivate.h"
62 * @Short_description: Widget that displays a GtkTextBuffer
64 * @See_also: #GtkTextBuffer, #GtkTextIter
66 * You may wish to begin by reading the <link linkend="TextWidget">text widget
67 * conceptual overview</link> which gives an overview of all the objects and data
68 * types related to the text widget and how they work together.
72 /* How scrolling, validation, exposes, etc. work.
74 * The expose_event handler has the invariant that the onscreen lines
75 * have been validated.
77 * There are two ways that onscreen lines can become invalid. The first
78 * is to change which lines are onscreen. This happens when the value
79 * of a scroll adjustment changes. So the code path begins in
80 * gtk_text_view_value_changed() and goes like this:
81 * - gdk_window_scroll() to reflect the new adjustment value
82 * - validate the lines that were moved onscreen
83 * - gdk_window_process_updates() to handle the exposes immediately
85 * The second way is that you get the "invalidated" signal from the layout,
86 * indicating that lines have become invalid. This code path begins in
87 * invalidated_handler() and goes like this:
88 * - install high-priority idle which does the rest of the steps
89 * - if a scroll is pending from scroll_to_mark(), do the scroll,
90 * jumping to the gtk_text_view_value_changed() code path
91 * - otherwise, validate the onscreen lines
92 * - DO NOT process updates
94 * In both cases, validating the onscreen lines can trigger a scroll
95 * due to maintaining the first_para on the top of the screen.
96 * If validation triggers a scroll, we jump to the top of the code path
97 * for value_changed, and bail out of the current code path.
99 * Also, in size_allocate, if we invalidate some lines from changing
100 * the layout width, we need to go ahead and run the high-priority idle,
101 * because GTK sends exposes right after doing the size allocates without
102 * returning to the main loop. This is also why the high-priority idle
103 * is at a higher priority than resizing.
108 #define DEBUG_VALIDATION_AND_SCROLLING
111 #ifdef DEBUG_VALIDATION_AND_SCROLLING
117 #define SCREEN_WIDTH(widget) text_window_get_width (GTK_TEXT_VIEW (widget)->priv->text_window)
118 #define SCREEN_HEIGHT(widget) text_window_get_height (GTK_TEXT_VIEW (widget)->priv->text_window)
120 #define SPACE_FOR_CURSOR 1
122 #define GTK_TEXT_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewPrivate))
124 typedef struct _GtkTextWindow GtkTextWindow;
125 typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
127 struct _GtkTextViewPrivate
129 GtkTextLayout *layout;
130 GtkTextBuffer *buffer;
132 guint blink_time; /* time in msec the cursor has blinked since last user event */
135 GdkDevice *grab_device;
136 GdkDevice *dnd_device;
138 gulong selection_drag_handler;
139 GtkTextHandle *text_handle;
140 GtkWidget *selection_bubble;
141 guint selection_bubble_timeout_id;
143 GtkTextWindow *text_window;
144 GtkTextWindow *left_window;
145 GtkTextWindow *right_window;
146 GtkTextWindow *top_window;
147 GtkTextWindow *bottom_window;
149 GtkAdjustment *hadjustment;
150 GtkAdjustment *vadjustment;
152 gint xoffset; /* Offsets between widget coordinates and buffer coordinates */
154 gint width; /* Width and height of the buffer */
157 /* This is used to monitor the overall size request
158 * and decide whether we need to queue resizes when
159 * the buffer content changes.
161 * FIXME: This could be done in a simpler way by
162 * consulting the above width/height of the buffer + some
163 * padding values, however all of this request code needs
164 * to be changed to use GtkWidget Iface and deserves
167 GtkRequisition cached_size_request;
169 /* The virtual cursor position is normally the same as the
170 * actual (strong) cursor position, except in two circumstances:
172 * a) When the cursor is moved vertically with the keyboard
173 * b) When the text view is scrolled with the keyboard
175 * In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
176 * In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
178 gint virtual_cursor_x; /* -1 means use actual cursor position */
179 gint virtual_cursor_y; /* -1 means use actual cursor position */
181 GtkTextMark *first_para_mark; /* Mark at the beginning of the first onscreen paragraph */
182 gint first_para_pixels; /* Offset of top of screen in the first onscreen paragraph */
185 guint scroll_timeout;
187 guint first_validate_idle; /* Idle to revalidate onscreen portion, runs before resize */
188 guint incremental_validate_idle; /* Idle to revalidate offscreen portions, runs after redraw */
190 gint pending_place_cursor_button;
192 GtkTextMark *dnd_mark;
194 GtkIMContext *im_context;
195 GtkWidget *popup_menu;
202 GtkTextPendingScroll *pending_scroll;
204 /* Default style settings */
205 gint pixels_above_lines;
206 gint pixels_below_lines;
207 gint pixels_inside_wrap;
208 GtkWrapMode wrap_mode;
209 GtkJustification justify;
216 guint overwrite_mode : 1;
217 guint cursor_visible : 1;
219 /* if we have reset the IM since the last character entered */
220 guint need_im_reset : 1;
222 guint accepts_tab : 1;
224 guint width_changed : 1;
226 /* debug flag - means that we've validated onscreen since the
227 * last "invalidate" signal from the layout
229 guint onscreen_validated : 1;
231 guint mouse_cursor_obscured : 1;
233 guint scroll_after_paste : 1;
235 /* GtkScrollablePolicy needs to be checked when
236 * driving the scrollable adjustment values */
237 guint hscroll_policy : 1;
238 guint vscroll_policy : 1;
239 guint cursor_handle_dragged : 1;
240 guint selection_handle_dragged : 1;
243 struct _GtkTextPendingScroll
246 gdouble within_margin;
267 TOGGLE_CURSOR_VISIBLE,
275 PROP_PIXELS_ABOVE_LINES,
276 PROP_PIXELS_BELOW_LINES,
277 PROP_PIXELS_INSIDE_WRAP,
298 static void gtk_text_view_finalize (GObject *object);
299 static void gtk_text_view_set_property (GObject *object,
303 static void gtk_text_view_get_property (GObject *object,
307 static void gtk_text_view_destroy (GtkWidget *widget);
308 static void gtk_text_view_size_request (GtkWidget *widget,
309 GtkRequisition *requisition);
310 static void gtk_text_view_get_preferred_width (GtkWidget *widget,
313 static void gtk_text_view_get_preferred_height (GtkWidget *widget,
316 static void gtk_text_view_size_allocate (GtkWidget *widget,
317 GtkAllocation *allocation);
318 static void gtk_text_view_realize (GtkWidget *widget);
319 static void gtk_text_view_unrealize (GtkWidget *widget);
320 static void gtk_text_view_style_updated (GtkWidget *widget);
321 static void gtk_text_view_direction_changed (GtkWidget *widget,
322 GtkTextDirection previous_direction);
323 static void gtk_text_view_grab_notify (GtkWidget *widget,
324 gboolean was_grabbed);
325 static void gtk_text_view_state_flags_changed (GtkWidget *widget,
326 GtkStateFlags previous_state);
328 static gint gtk_text_view_event (GtkWidget *widget,
330 static gint gtk_text_view_key_press_event (GtkWidget *widget,
332 static gint gtk_text_view_key_release_event (GtkWidget *widget,
334 static gint gtk_text_view_button_press_event (GtkWidget *widget,
335 GdkEventButton *event);
336 static gint gtk_text_view_button_release_event (GtkWidget *widget,
337 GdkEventButton *event);
338 static gint gtk_text_view_focus_in_event (GtkWidget *widget,
339 GdkEventFocus *event);
340 static gint gtk_text_view_focus_out_event (GtkWidget *widget,
341 GdkEventFocus *event);
342 static gint gtk_text_view_motion_event (GtkWidget *widget,
343 GdkEventMotion *event);
344 static gint gtk_text_view_draw (GtkWidget *widget,
346 static void gtk_text_view_draw_focus (GtkWidget *widget,
348 static gboolean gtk_text_view_focus (GtkWidget *widget,
349 GtkDirectionType direction);
350 static void gtk_text_view_select_all (GtkWidget *widget,
352 static gboolean get_middle_click_paste (GtkTextView *text_view);
354 /* Source side drag signals */
355 static void gtk_text_view_drag_begin (GtkWidget *widget,
356 GdkDragContext *context);
357 static void gtk_text_view_drag_end (GtkWidget *widget,
358 GdkDragContext *context);
359 static void gtk_text_view_drag_data_get (GtkWidget *widget,
360 GdkDragContext *context,
361 GtkSelectionData *selection_data,
364 static void gtk_text_view_drag_data_delete (GtkWidget *widget,
365 GdkDragContext *context);
367 /* Target side drag signals */
368 static void gtk_text_view_drag_leave (GtkWidget *widget,
369 GdkDragContext *context,
371 static gboolean gtk_text_view_drag_motion (GtkWidget *widget,
372 GdkDragContext *context,
376 static gboolean gtk_text_view_drag_drop (GtkWidget *widget,
377 GdkDragContext *context,
381 static void gtk_text_view_drag_data_received (GtkWidget *widget,
382 GdkDragContext *context,
385 GtkSelectionData *selection_data,
389 static gboolean gtk_text_view_popup_menu (GtkWidget *widget);
391 static void gtk_text_view_move_cursor (GtkTextView *text_view,
392 GtkMovementStep step,
394 gboolean extend_selection);
395 static void gtk_text_view_move_viewport (GtkTextView *text_view,
398 static void gtk_text_view_set_anchor (GtkTextView *text_view);
399 static gboolean gtk_text_view_scroll_pages (GtkTextView *text_view,
401 gboolean extend_selection);
402 static gboolean gtk_text_view_scroll_hpages(GtkTextView *text_view,
404 gboolean extend_selection);
405 static void gtk_text_view_insert_at_cursor (GtkTextView *text_view,
407 static void gtk_text_view_delete_from_cursor (GtkTextView *text_view,
410 static void gtk_text_view_backspace (GtkTextView *text_view);
411 static void gtk_text_view_cut_clipboard (GtkTextView *text_view);
412 static void gtk_text_view_copy_clipboard (GtkTextView *text_view);
413 static void gtk_text_view_paste_clipboard (GtkTextView *text_view);
414 static void gtk_text_view_toggle_overwrite (GtkTextView *text_view);
415 static void gtk_text_view_toggle_cursor_visible (GtkTextView *text_view);
417 static void gtk_text_view_unselect (GtkTextView *text_view);
419 static void gtk_text_view_validate_onscreen (GtkTextView *text_view);
420 static void gtk_text_view_get_first_para_iter (GtkTextView *text_view,
422 static void gtk_text_view_update_layout_width (GtkTextView *text_view);
423 static void gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
424 GtkTextAttributes *values);
425 static void gtk_text_view_ensure_layout (GtkTextView *text_view);
426 static void gtk_text_view_destroy_layout (GtkTextView *text_view);
427 static void gtk_text_view_check_keymap_direction (GtkTextView *text_view);
428 static void gtk_text_view_start_selection_drag (GtkTextView *text_view,
429 const GtkTextIter *iter,
430 GdkEventButton *event);
431 static gboolean gtk_text_view_end_selection_drag (GtkTextView *text_view);
432 static void gtk_text_view_start_selection_dnd (GtkTextView *text_view,
433 const GtkTextIter *iter,
434 GdkEventMotion *event);
435 static void gtk_text_view_check_cursor_blink (GtkTextView *text_view);
436 static void gtk_text_view_pend_cursor_blink (GtkTextView *text_view);
437 static void gtk_text_view_stop_cursor_blink (GtkTextView *text_view);
438 static void gtk_text_view_reset_blink_time (GtkTextView *text_view);
440 static void gtk_text_view_value_changed (GtkAdjustment *adjustment,
442 static void gtk_text_view_commit_handler (GtkIMContext *context,
444 GtkTextView *text_view);
445 static void gtk_text_view_commit_text (GtkTextView *text_view,
447 static void gtk_text_view_preedit_changed_handler (GtkIMContext *context,
448 GtkTextView *text_view);
449 static gboolean gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
450 GtkTextView *text_view);
451 static gboolean gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
454 GtkTextView *text_view);
456 static void gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
457 const GtkTextIter *location,
460 static void gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
461 const GParamSpec *pspec,
463 static void gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
464 GtkClipboard *clipboard,
466 static void gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
468 static void gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
472 static void gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
476 static void gtk_text_view_do_popup (GtkTextView *text_view,
477 GdkEventButton *event);
479 static void cancel_pending_scroll (GtkTextView *text_view);
480 static void gtk_text_view_queue_scroll (GtkTextView *text_view,
482 gdouble within_margin,
487 static gboolean gtk_text_view_flush_scroll (GtkTextView *text_view);
488 static void gtk_text_view_update_adjustments (GtkTextView *text_view);
489 static void gtk_text_view_invalidate (GtkTextView *text_view);
490 static void gtk_text_view_flush_first_validate (GtkTextView *text_view);
492 static void gtk_text_view_set_hadjustment (GtkTextView *text_view,
493 GtkAdjustment *adjustment);
494 static void gtk_text_view_set_vadjustment (GtkTextView *text_view,
495 GtkAdjustment *adjustment);
496 static void gtk_text_view_set_hadjustment_values (GtkTextView *text_view);
497 static void gtk_text_view_set_vadjustment_values (GtkTextView *text_view);
499 static void gtk_text_view_update_im_spot_location (GtkTextView *text_view);
501 /* Container methods */
502 static void gtk_text_view_add (GtkContainer *container,
504 static void gtk_text_view_remove (GtkContainer *container,
506 static void gtk_text_view_forall (GtkContainer *container,
507 gboolean include_internals,
508 GtkCallback callback,
509 gpointer callback_data);
511 /* GtkTextHandle handlers */
512 static void gtk_text_view_handle_dragged (GtkTextHandle *handle,
513 GtkTextHandlePosition pos,
516 GtkTextView *text_view);
517 static void gtk_text_view_handle_drag_finished (GtkTextHandle *handle,
518 GtkTextHandlePosition pos,
519 GtkTextView *text_view);
520 static void gtk_text_view_update_handles (GtkTextView *text_view,
521 GtkTextHandleMode mode);
523 static void gtk_text_view_selection_bubble_popup_unset (GtkTextView *text_view);
524 static void gtk_text_view_selection_bubble_popup_set (GtkTextView *text_view);
527 /* FIXME probably need the focus methods. */
529 typedef struct _GtkTextViewChild GtkTextViewChild;
531 struct _GtkTextViewChild
535 GtkTextChildAnchor *anchor;
537 gint from_top_of_line;
538 gint from_left_of_buffer;
540 /* These are ignored if anchor != NULL */
541 GtkTextWindowType type;
546 static GtkTextViewChild* text_view_child_new_anchored (GtkWidget *child,
547 GtkTextChildAnchor *anchor,
548 GtkTextLayout *layout);
549 static GtkTextViewChild* text_view_child_new_window (GtkWidget *child,
550 GtkTextWindowType type,
553 static void text_view_child_free (GtkTextViewChild *child);
554 static void text_view_child_set_parent_window (GtkTextView *text_view,
555 GtkTextViewChild *child);
557 struct _GtkTextWindow
559 GtkTextWindowType type;
562 GdkWindow *bin_window;
563 GtkRequisition requisition;
564 GdkRectangle allocation;
567 static GtkTextWindow *text_window_new (GtkTextWindowType type,
570 gint height_request);
571 static void text_window_free (GtkTextWindow *win);
572 static void text_window_realize (GtkTextWindow *win,
574 static void text_window_unrealize (GtkTextWindow *win);
575 static void text_window_size_allocate (GtkTextWindow *win,
577 static void text_window_scroll (GtkTextWindow *win,
580 static void text_window_invalidate_rect (GtkTextWindow *win,
582 static void text_window_invalidate_cursors (GtkTextWindow *win);
584 static gint text_window_get_width (GtkTextWindow *win);
585 static gint text_window_get_height (GtkTextWindow *win);
588 static guint signals[LAST_SIGNAL] = { 0 };
589 static gboolean test_touchscreen = FALSE;
591 G_DEFINE_TYPE_WITH_CODE (GtkTextView, gtk_text_view, GTK_TYPE_CONTAINER,
592 G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
595 add_move_binding (GtkBindingSet *binding_set,
598 GtkMovementStep step,
601 g_assert ((modmask & GDK_SHIFT_MASK) == 0);
603 gtk_binding_entry_add_signal (binding_set, keyval, modmask,
607 G_TYPE_BOOLEAN, FALSE);
609 /* Selection-extending version */
610 gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
614 G_TYPE_BOOLEAN, TRUE);
618 gtk_text_view_class_init (GtkTextViewClass *klass)
620 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
621 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
622 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
623 GtkBindingSet *binding_set;
625 /* Default handlers and virtual methods
627 gobject_class->set_property = gtk_text_view_set_property;
628 gobject_class->get_property = gtk_text_view_get_property;
629 gobject_class->finalize = gtk_text_view_finalize;
631 widget_class->destroy = gtk_text_view_destroy;
632 widget_class->realize = gtk_text_view_realize;
633 widget_class->unrealize = gtk_text_view_unrealize;
634 widget_class->style_updated = gtk_text_view_style_updated;
635 widget_class->direction_changed = gtk_text_view_direction_changed;
636 widget_class->grab_notify = gtk_text_view_grab_notify;
637 widget_class->state_flags_changed = gtk_text_view_state_flags_changed;
638 widget_class->get_preferred_width = gtk_text_view_get_preferred_width;
639 widget_class->get_preferred_height = gtk_text_view_get_preferred_height;
640 widget_class->size_allocate = gtk_text_view_size_allocate;
641 widget_class->event = gtk_text_view_event;
642 widget_class->key_press_event = gtk_text_view_key_press_event;
643 widget_class->key_release_event = gtk_text_view_key_release_event;
644 widget_class->button_press_event = gtk_text_view_button_press_event;
645 widget_class->button_release_event = gtk_text_view_button_release_event;
646 widget_class->focus_in_event = gtk_text_view_focus_in_event;
647 widget_class->focus_out_event = gtk_text_view_focus_out_event;
648 widget_class->motion_notify_event = gtk_text_view_motion_event;
649 widget_class->draw = gtk_text_view_draw;
650 widget_class->focus = gtk_text_view_focus;
651 widget_class->drag_begin = gtk_text_view_drag_begin;
652 widget_class->drag_end = gtk_text_view_drag_end;
653 widget_class->drag_data_get = gtk_text_view_drag_data_get;
654 widget_class->drag_data_delete = gtk_text_view_drag_data_delete;
656 widget_class->drag_leave = gtk_text_view_drag_leave;
657 widget_class->drag_motion = gtk_text_view_drag_motion;
658 widget_class->drag_drop = gtk_text_view_drag_drop;
659 widget_class->drag_data_received = gtk_text_view_drag_data_received;
661 widget_class->popup_menu = gtk_text_view_popup_menu;
663 container_class->add = gtk_text_view_add;
664 container_class->remove = gtk_text_view_remove;
665 container_class->forall = gtk_text_view_forall;
667 klass->move_cursor = gtk_text_view_move_cursor;
668 klass->set_anchor = gtk_text_view_set_anchor;
669 klass->insert_at_cursor = gtk_text_view_insert_at_cursor;
670 klass->delete_from_cursor = gtk_text_view_delete_from_cursor;
671 klass->backspace = gtk_text_view_backspace;
672 klass->cut_clipboard = gtk_text_view_cut_clipboard;
673 klass->copy_clipboard = gtk_text_view_copy_clipboard;
674 klass->paste_clipboard = gtk_text_view_paste_clipboard;
675 klass->toggle_overwrite = gtk_text_view_toggle_overwrite;
681 g_object_class_install_property (gobject_class,
682 PROP_PIXELS_ABOVE_LINES,
683 g_param_spec_int ("pixels-above-lines",
684 P_("Pixels Above Lines"),
685 P_("Pixels of blank space above paragraphs"),
689 GTK_PARAM_READWRITE));
691 g_object_class_install_property (gobject_class,
692 PROP_PIXELS_BELOW_LINES,
693 g_param_spec_int ("pixels-below-lines",
694 P_("Pixels Below Lines"),
695 P_("Pixels of blank space below paragraphs"),
699 GTK_PARAM_READWRITE));
701 g_object_class_install_property (gobject_class,
702 PROP_PIXELS_INSIDE_WRAP,
703 g_param_spec_int ("pixels-inside-wrap",
704 P_("Pixels Inside Wrap"),
705 P_("Pixels of blank space between wrapped lines in a paragraph"),
709 GTK_PARAM_READWRITE));
711 g_object_class_install_property (gobject_class,
713 g_param_spec_boolean ("editable",
715 P_("Whether the text can be modified by the user"),
717 GTK_PARAM_READWRITE));
719 g_object_class_install_property (gobject_class,
721 g_param_spec_enum ("wrap-mode",
723 P_("Whether to wrap lines never, at word boundaries, or at character boundaries"),
726 GTK_PARAM_READWRITE));
728 g_object_class_install_property (gobject_class,
730 g_param_spec_enum ("justification",
732 P_("Left, right, or center justification"),
733 GTK_TYPE_JUSTIFICATION,
735 GTK_PARAM_READWRITE));
737 g_object_class_install_property (gobject_class,
739 g_param_spec_int ("left-margin",
741 P_("Width of the left margin in pixels"),
745 GTK_PARAM_READWRITE));
747 g_object_class_install_property (gobject_class,
749 g_param_spec_int ("right-margin",
751 P_("Width of the right margin in pixels"),
755 GTK_PARAM_READWRITE));
757 g_object_class_install_property (gobject_class,
759 g_param_spec_int ("indent",
761 P_("Amount to indent the paragraph, in pixels"),
765 GTK_PARAM_READWRITE));
767 g_object_class_install_property (gobject_class,
769 g_param_spec_boxed ("tabs",
771 P_("Custom tabs for this text"),
772 PANGO_TYPE_TAB_ARRAY,
773 GTK_PARAM_READWRITE));
775 g_object_class_install_property (gobject_class,
777 g_param_spec_boolean ("cursor-visible",
778 P_("Cursor Visible"),
779 P_("If the insertion cursor is shown"),
781 GTK_PARAM_READWRITE));
783 g_object_class_install_property (gobject_class,
785 g_param_spec_object ("buffer",
787 P_("The buffer which is displayed"),
788 GTK_TYPE_TEXT_BUFFER,
789 GTK_PARAM_READWRITE));
791 g_object_class_install_property (gobject_class,
793 g_param_spec_boolean ("overwrite",
794 P_("Overwrite mode"),
795 P_("Whether entered text overwrites existing contents"),
797 GTK_PARAM_READWRITE));
799 g_object_class_install_property (gobject_class,
801 g_param_spec_boolean ("accepts-tab",
803 P_("Whether Tab will result in a tab character being entered"),
805 GTK_PARAM_READWRITE));
808 * GtkTextView:im-module:
810 * Which IM (input method) module should be used for this text_view.
813 * Setting this to a non-%NULL value overrides the
814 * system-wide IM module setting. See the GtkSettings
815 * #GtkSettings:gtk-im-module property.
819 g_object_class_install_property (gobject_class,
821 g_param_spec_string ("im-module",
823 P_("Which IM module should be used"),
825 GTK_PARAM_READWRITE));
828 * GtkTextView:input-purpose:
830 * The purpose of this text field.
832 * This property can be used by on-screen keyboards and other input
833 * methods to adjust their behaviour.
837 g_object_class_install_property (gobject_class,
839 g_param_spec_enum ("input-purpose",
841 P_("Purpose of the text field"),
842 GTK_TYPE_INPUT_PURPOSE,
843 GTK_INPUT_PURPOSE_FREE_FORM,
844 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
847 * GtkTextView:input-hints:
849 * Additional hints (beyond #GtkTextView:input-purpose) that
850 * allow input methods to fine-tune their behaviour.
854 g_object_class_install_property (gobject_class,
856 g_param_spec_flags ("input-hints",
858 P_("Hints for the text field behaviour"),
859 GTK_TYPE_INPUT_HINTS,
861 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
863 /* GtkScrollable interface */
864 g_object_class_override_property (gobject_class, PROP_HADJUSTMENT, "hadjustment");
865 g_object_class_override_property (gobject_class, PROP_VADJUSTMENT, "vadjustment");
866 g_object_class_override_property (gobject_class, PROP_HSCROLL_POLICY, "hscroll-policy");
867 g_object_class_override_property (gobject_class, PROP_VSCROLL_POLICY, "vscroll-policy");
872 gtk_widget_class_install_style_property (widget_class,
873 g_param_spec_boxed ("error-underline-color",
874 P_("Error underline color"),
875 P_("Color with which to draw error-indication underlines"),
877 GTK_PARAM_READABLE));
884 * GtkTextView::move-cursor:
885 * @text_view: the object which received the signal
886 * @step: the granularity of the move, as a #GtkMovementStep
887 * @count: the number of @step units to move
888 * @extend_selection: %TRUE if the move should extend the selection
890 * The ::move-cursor signal is a
891 * <link linkend="keybinding-signals">keybinding signal</link>
892 * which gets emitted when the user initiates a cursor movement.
893 * If the cursor is not visible in @text_view, this signal causes
894 * the viewport to be moved instead.
896 * Applications should not connect to it, but may emit it with
897 * g_signal_emit_by_name() if they need to control the cursor
900 * The default bindings for this signal come in two variants,
901 * the variant with the Shift modifier extends the selection,
902 * the variant without the Shift modifer does not.
903 * There are too many key combinations to list them all here.
905 * <listitem>Arrow keys move by individual characters/lines</listitem>
906 * <listitem>Ctrl-arrow key combinations move by words/paragraphs</listitem>
907 * <listitem>Home/End keys move to the ends of the buffer</listitem>
908 * <listitem>PageUp/PageDown keys move vertically by pages</listitem>
909 * <listitem>Ctrl-PageUp/PageDown keys move horizontally by pages</listitem>
912 signals[MOVE_CURSOR] =
913 g_signal_new (I_("move-cursor"),
914 G_OBJECT_CLASS_TYPE (gobject_class),
915 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
916 G_STRUCT_OFFSET (GtkTextViewClass, move_cursor),
918 _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
920 GTK_TYPE_MOVEMENT_STEP,
925 * GtkTextView::move-viewport:
926 * @text_view: the object which received the signal
927 * @step: the granularity of the move, as a #GtkMovementStep
928 * @count: the number of @step units to move
930 * The ::move-viewport signal is a
931 * <link linkend="keybinding-signals">keybinding signal</link>
932 * which can be bound to key combinations to allow the user
933 * to move the viewport, i.e. change what part of the text view
934 * is visible in a containing scrolled window.
936 * There are no default bindings for this signal.
938 signals[MOVE_VIEWPORT] =
939 g_signal_new_class_handler (I_("move-viewport"),
940 G_OBJECT_CLASS_TYPE (gobject_class),
941 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
942 G_CALLBACK (gtk_text_view_move_viewport),
944 _gtk_marshal_VOID__ENUM_INT,
946 GTK_TYPE_SCROLL_STEP,
950 * GtkTextView::set-anchor:
951 * @text_view: the object which received the signal
953 * The ::set-anchor signal is a
954 * <link linkend="keybinding-signals">keybinding signal</link>
955 * which gets emitted when the user initiates setting the "anchor"
956 * mark. The "anchor" mark gets placed at the same position as the
959 * This signal has no default bindings.
961 signals[SET_ANCHOR] =
962 g_signal_new (I_("set-anchor"),
963 G_OBJECT_CLASS_TYPE (gobject_class),
964 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
965 G_STRUCT_OFFSET (GtkTextViewClass, set_anchor),
967 _gtk_marshal_VOID__VOID,
971 * GtkTextView::insert-at-cursor:
972 * @text_view: the object which received the signal
973 * @string: the string to insert
975 * The ::insert-at-cursor signal is a
976 * <link linkend="keybinding-signals">keybinding signal</link>
977 * which gets emitted when the user initiates the insertion of a
978 * fixed string at the cursor.
980 * This signal has no default bindings.
982 signals[INSERT_AT_CURSOR] =
983 g_signal_new (I_("insert-at-cursor"),
984 G_OBJECT_CLASS_TYPE (gobject_class),
985 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
986 G_STRUCT_OFFSET (GtkTextViewClass, insert_at_cursor),
988 _gtk_marshal_VOID__STRING,
993 * GtkTextView::delete-from-cursor:
994 * @text_view: the object which received the signal
995 * @type: the granularity of the deletion, as a #GtkDeleteType
996 * @count: the number of @type units to delete
998 * The ::delete-from-cursor signal is a
999 * <link linkend="keybinding-signals">keybinding signal</link>
1000 * which gets emitted when the user initiates a text deletion.
1002 * If the @type is %GTK_DELETE_CHARS, GTK+ deletes the selection
1003 * if there is one, otherwise it deletes the requested number
1006 * The default bindings for this signal are
1007 * Delete for deleting a character, Ctrl-Delete for
1008 * deleting a word and Ctrl-Backspace for deleting a word
1011 signals[DELETE_FROM_CURSOR] =
1012 g_signal_new (I_("delete-from-cursor"),
1013 G_OBJECT_CLASS_TYPE (gobject_class),
1014 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1015 G_STRUCT_OFFSET (GtkTextViewClass, delete_from_cursor),
1017 _gtk_marshal_VOID__ENUM_INT,
1019 GTK_TYPE_DELETE_TYPE,
1023 * GtkTextView::backspace:
1024 * @text_view: the object which received the signal
1026 * The ::backspace signal is a
1027 * <link linkend="keybinding-signals">keybinding signal</link>
1028 * which gets emitted when the user asks for it.
1030 * The default bindings for this signal are
1031 * Backspace and Shift-Backspace.
1033 signals[BACKSPACE] =
1034 g_signal_new (I_("backspace"),
1035 G_OBJECT_CLASS_TYPE (gobject_class),
1036 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1037 G_STRUCT_OFFSET (GtkTextViewClass, backspace),
1039 _gtk_marshal_VOID__VOID,
1043 * GtkTextView::cut-clipboard:
1044 * @text_view: the object which received the signal
1046 * The ::cut-clipboard signal is a
1047 * <link linkend="keybinding-signals">keybinding signal</link>
1048 * which gets emitted to cut the selection to the clipboard.
1050 * The default bindings for this signal are
1051 * Ctrl-x and Shift-Delete.
1053 signals[CUT_CLIPBOARD] =
1054 g_signal_new (I_("cut-clipboard"),
1055 G_OBJECT_CLASS_TYPE (gobject_class),
1056 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1057 G_STRUCT_OFFSET (GtkTextViewClass, cut_clipboard),
1059 _gtk_marshal_VOID__VOID,
1063 * GtkTextView::copy-clipboard:
1064 * @text_view: the object which received the signal
1066 * The ::copy-clipboard signal is a
1067 * <link linkend="keybinding-signals">keybinding signal</link>
1068 * which gets emitted to copy the selection to the clipboard.
1070 * The default bindings for this signal are
1071 * Ctrl-c and Ctrl-Insert.
1073 signals[COPY_CLIPBOARD] =
1074 g_signal_new (I_("copy-clipboard"),
1075 G_OBJECT_CLASS_TYPE (gobject_class),
1076 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1077 G_STRUCT_OFFSET (GtkTextViewClass, copy_clipboard),
1079 _gtk_marshal_VOID__VOID,
1083 * GtkTextView::paste-clipboard:
1084 * @text_view: the object which received the signal
1086 * The ::paste-clipboard signal is a
1087 * <link linkend="keybinding-signals">keybinding signal</link>
1088 * which gets emitted to paste the contents of the clipboard
1089 * into the text view.
1091 * The default bindings for this signal are
1092 * Ctrl-v and Shift-Insert.
1094 signals[PASTE_CLIPBOARD] =
1095 g_signal_new (I_("paste-clipboard"),
1096 G_OBJECT_CLASS_TYPE (gobject_class),
1097 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1098 G_STRUCT_OFFSET (GtkTextViewClass, paste_clipboard),
1100 _gtk_marshal_VOID__VOID,
1104 * GtkTextView::toggle-overwrite:
1105 * @text_view: the object which received the signal
1107 * The ::toggle-overwrite signal is a
1108 * <link linkend="keybinding-signals">keybinding signal</link>
1109 * which gets emitted to toggle the overwrite mode of the text view.
1111 * The default bindings for this signal is Insert.
1113 signals[TOGGLE_OVERWRITE] =
1114 g_signal_new (I_("toggle-overwrite"),
1115 G_OBJECT_CLASS_TYPE (gobject_class),
1116 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1117 G_STRUCT_OFFSET (GtkTextViewClass, toggle_overwrite),
1119 _gtk_marshal_VOID__VOID,
1123 * GtkTextView::populate-popup:
1124 * @text_view: The text view on which the signal is emitted
1125 * @menu: the menu that is being populated
1127 * The ::populate-popup signal gets emitted before showing the
1128 * context menu of the text view.
1130 * If you need to add items to the context menu, connect
1131 * to this signal and append your menuitems to the @menu.
1133 signals[POPULATE_POPUP] =
1134 g_signal_new (I_("populate-popup"),
1135 G_OBJECT_CLASS_TYPE (gobject_class),
1137 G_STRUCT_OFFSET (GtkTextViewClass, populate_popup),
1139 _gtk_marshal_VOID__OBJECT,
1144 * GtkTextView::select-all:
1145 * @text_view: the object which received the signal
1146 * @select: %TRUE to select, %FALSE to unselect
1148 * The ::select-all signal is a
1149 * <link linkend="keybinding-signals">keybinding signal</link>
1150 * which gets emitted to select or unselect the complete
1151 * contents of the text view.
1153 * The default bindings for this signal are Ctrl-a and Ctrl-/
1154 * for selecting and Shift-Ctrl-a and Ctrl-\ for unselecting.
1156 signals[SELECT_ALL] =
1157 g_signal_new_class_handler (I_("select-all"),
1158 G_OBJECT_CLASS_TYPE (gobject_class),
1159 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1160 G_CALLBACK (gtk_text_view_select_all),
1162 _gtk_marshal_VOID__BOOLEAN,
1163 G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
1166 * GtkTextView::toggle-cursor-visible:
1167 * @text_view: the object which received the signal
1169 * The ::toggle-cursor-visible signal is a
1170 * <link linkend="keybinding-signals">keybinding signal</link>
1171 * which gets emitted to toggle the visibility of the cursor.
1173 * The default binding for this signal is F7.
1175 signals[TOGGLE_CURSOR_VISIBLE] =
1176 g_signal_new_class_handler (I_("toggle-cursor-visible"),
1177 G_OBJECT_CLASS_TYPE (gobject_class),
1178 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1179 G_CALLBACK (gtk_text_view_toggle_cursor_visible),
1181 _gtk_marshal_VOID__VOID,
1185 * GtkTextView::preedit-changed:
1186 * @text_view: the object which received the signal
1187 * @preedit: the current preedit string
1189 * If an input method is used, the typed text will not immediately
1190 * be committed to the buffer. So if you are interested in the text,
1191 * connect to this signal.
1193 * This signal is only emitted if the text at the given position
1194 * is actually editable.
1198 signals[PREEDIT_CHANGED] =
1199 g_signal_new_class_handler (I_("preedit-changed"),
1200 G_OBJECT_CLASS_TYPE (gobject_class),
1201 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1204 _gtk_marshal_VOID__STRING,
1212 binding_set = gtk_binding_set_by_class (klass);
1214 /* Moving the insertion point */
1215 add_move_binding (binding_set, GDK_KEY_Right, 0,
1216 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
1218 add_move_binding (binding_set, GDK_KEY_KP_Right, 0,
1219 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
1221 add_move_binding (binding_set, GDK_KEY_Left, 0,
1222 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
1224 add_move_binding (binding_set, GDK_KEY_KP_Left, 0,
1225 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
1227 add_move_binding (binding_set, GDK_KEY_Right, GDK_CONTROL_MASK,
1228 GTK_MOVEMENT_WORDS, 1);
1230 add_move_binding (binding_set, GDK_KEY_KP_Right, GDK_CONTROL_MASK,
1231 GTK_MOVEMENT_WORDS, 1);
1233 add_move_binding (binding_set, GDK_KEY_Left, GDK_CONTROL_MASK,
1234 GTK_MOVEMENT_WORDS, -1);
1236 add_move_binding (binding_set, GDK_KEY_KP_Left, GDK_CONTROL_MASK,
1237 GTK_MOVEMENT_WORDS, -1);
1239 add_move_binding (binding_set, GDK_KEY_Up, 0,
1240 GTK_MOVEMENT_DISPLAY_LINES, -1);
1242 add_move_binding (binding_set, GDK_KEY_KP_Up, 0,
1243 GTK_MOVEMENT_DISPLAY_LINES, -1);
1245 add_move_binding (binding_set, GDK_KEY_Down, 0,
1246 GTK_MOVEMENT_DISPLAY_LINES, 1);
1248 add_move_binding (binding_set, GDK_KEY_KP_Down, 0,
1249 GTK_MOVEMENT_DISPLAY_LINES, 1);
1251 add_move_binding (binding_set, GDK_KEY_Up, GDK_CONTROL_MASK,
1252 GTK_MOVEMENT_PARAGRAPHS, -1);
1254 add_move_binding (binding_set, GDK_KEY_KP_Up, GDK_CONTROL_MASK,
1255 GTK_MOVEMENT_PARAGRAPHS, -1);
1257 add_move_binding (binding_set, GDK_KEY_Down, GDK_CONTROL_MASK,
1258 GTK_MOVEMENT_PARAGRAPHS, 1);
1260 add_move_binding (binding_set, GDK_KEY_KP_Down, GDK_CONTROL_MASK,
1261 GTK_MOVEMENT_PARAGRAPHS, 1);
1263 add_move_binding (binding_set, GDK_KEY_Home, 0,
1264 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
1266 add_move_binding (binding_set, GDK_KEY_KP_Home, 0,
1267 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
1269 add_move_binding (binding_set, GDK_KEY_End, 0,
1270 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
1272 add_move_binding (binding_set, GDK_KEY_KP_End, 0,
1273 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
1275 add_move_binding (binding_set, GDK_KEY_Home, GDK_CONTROL_MASK,
1276 GTK_MOVEMENT_BUFFER_ENDS, -1);
1278 add_move_binding (binding_set, GDK_KEY_KP_Home, GDK_CONTROL_MASK,
1279 GTK_MOVEMENT_BUFFER_ENDS, -1);
1281 add_move_binding (binding_set, GDK_KEY_End, GDK_CONTROL_MASK,
1282 GTK_MOVEMENT_BUFFER_ENDS, 1);
1284 add_move_binding (binding_set, GDK_KEY_KP_End, GDK_CONTROL_MASK,
1285 GTK_MOVEMENT_BUFFER_ENDS, 1);
1287 add_move_binding (binding_set, GDK_KEY_Page_Up, 0,
1288 GTK_MOVEMENT_PAGES, -1);
1290 add_move_binding (binding_set, GDK_KEY_KP_Page_Up, 0,
1291 GTK_MOVEMENT_PAGES, -1);
1293 add_move_binding (binding_set, GDK_KEY_Page_Down, 0,
1294 GTK_MOVEMENT_PAGES, 1);
1296 add_move_binding (binding_set, GDK_KEY_KP_Page_Down, 0,
1297 GTK_MOVEMENT_PAGES, 1);
1299 add_move_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK,
1300 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
1302 add_move_binding (binding_set, GDK_KEY_KP_Page_Up, GDK_CONTROL_MASK,
1303 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
1305 add_move_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK,
1306 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
1308 add_move_binding (binding_set, GDK_KEY_KP_Page_Down, GDK_CONTROL_MASK,
1309 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
1312 gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_CONTROL_MASK,
1314 G_TYPE_BOOLEAN, TRUE);
1316 gtk_binding_entry_add_signal (binding_set, GDK_KEY_slash, GDK_CONTROL_MASK,
1318 G_TYPE_BOOLEAN, TRUE);
1321 gtk_binding_entry_add_signal (binding_set, GDK_KEY_backslash, GDK_CONTROL_MASK,
1323 G_TYPE_BOOLEAN, FALSE);
1325 gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1327 G_TYPE_BOOLEAN, FALSE);
1330 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0,
1331 "delete-from-cursor", 2,
1332 G_TYPE_ENUM, GTK_DELETE_CHARS,
1335 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0,
1336 "delete-from-cursor", 2,
1337 G_TYPE_ENUM, GTK_DELETE_CHARS,
1340 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, 0,
1343 /* Make this do the same as Backspace, to help with mis-typing */
1344 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK,
1347 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_CONTROL_MASK,
1348 "delete-from-cursor", 2,
1349 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
1352 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_CONTROL_MASK,
1353 "delete-from-cursor", 2,
1354 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
1357 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_CONTROL_MASK,
1358 "delete-from-cursor", 2,
1359 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
1362 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1363 "delete-from-cursor", 2,
1364 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1367 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1368 "delete-from-cursor", 2,
1369 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1372 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1373 "delete-from-cursor", 2,
1374 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1377 /* Cut/copy/paste */
1379 gtk_binding_entry_add_signal (binding_set, GDK_KEY_x, GDK_CONTROL_MASK,
1380 "cut-clipboard", 0);
1381 gtk_binding_entry_add_signal (binding_set, GDK_KEY_c, GDK_CONTROL_MASK,
1382 "copy-clipboard", 0);
1383 gtk_binding_entry_add_signal (binding_set, GDK_KEY_v, GDK_CONTROL_MASK,
1384 "paste-clipboard", 0);
1386 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK,
1387 "cut-clipboard", 0);
1388 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_CONTROL_MASK,
1389 "copy-clipboard", 0);
1390 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_SHIFT_MASK,
1391 "paste-clipboard", 0);
1394 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, 0,
1395 "toggle-overwrite", 0);
1396 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, 0,
1397 "toggle-overwrite", 0);
1400 gtk_binding_entry_add_signal (binding_set, GDK_KEY_F7, 0,
1401 "toggle-cursor-visible", 0);
1403 /* Control-tab focus motion */
1404 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_CONTROL_MASK,
1406 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1407 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_CONTROL_MASK,
1409 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1411 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1413 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1414 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1416 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1418 g_type_class_add_private (gobject_class, sizeof (GtkTextViewPrivate));
1420 gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TEXT_VIEW_ACCESSIBLE);
1421 test_touchscreen = g_getenv ("GTK_TEST_TOUCHSCREEN") != NULL;
1425 gtk_text_view_init (GtkTextView *text_view)
1427 GtkWidget *widget = GTK_WIDGET (text_view);
1428 GtkTargetList *target_list;
1429 GtkTextViewPrivate *priv;
1431 text_view->priv = GTK_TEXT_VIEW_GET_PRIVATE (text_view);
1432 priv = text_view->priv;
1434 gtk_widget_set_can_focus (widget, TRUE);
1436 /* Set up default style */
1437 priv->wrap_mode = GTK_WRAP_NONE;
1438 priv->pixels_above_lines = 0;
1439 priv->pixels_below_lines = 0;
1440 priv->pixels_inside_wrap = 0;
1441 priv->justify = GTK_JUSTIFY_LEFT;
1442 priv->left_margin = 0;
1443 priv->right_margin = 0;
1446 priv->editable = TRUE;
1448 priv->scroll_after_paste = TRUE;
1450 gtk_drag_dest_set (widget, 0, NULL, 0,
1451 GDK_ACTION_COPY | GDK_ACTION_MOVE);
1453 target_list = gtk_target_list_new (NULL, 0);
1454 gtk_drag_dest_set_target_list (widget, target_list);
1455 gtk_target_list_unref (target_list);
1457 priv->virtual_cursor_x = -1;
1458 priv->virtual_cursor_y = -1;
1460 /* This object is completely private. No external entity can gain a reference
1461 * to it; so we create it here and destroy it in finalize ().
1463 priv->im_context = gtk_im_multicontext_new ();
1465 g_signal_connect (priv->im_context, "commit",
1466 G_CALLBACK (gtk_text_view_commit_handler), text_view);
1467 g_signal_connect (priv->im_context, "preedit-changed",
1468 G_CALLBACK (gtk_text_view_preedit_changed_handler), text_view);
1469 g_signal_connect (priv->im_context, "retrieve-surrounding",
1470 G_CALLBACK (gtk_text_view_retrieve_surrounding_handler), text_view);
1471 g_signal_connect (priv->im_context, "delete-surrounding",
1472 G_CALLBACK (gtk_text_view_delete_surrounding_handler), text_view);
1474 priv->cursor_visible = TRUE;
1476 priv->accepts_tab = TRUE;
1478 priv->text_window = text_window_new (GTK_TEXT_WINDOW_TEXT,
1481 priv->drag_start_x = -1;
1482 priv->drag_start_y = -1;
1484 priv->pending_place_cursor_button = 0;
1486 /* We handle all our own redrawing */
1487 gtk_widget_set_redraw_on_allocate (widget, FALSE);
1489 priv->text_handle = _gtk_text_handle_new (widget);
1490 g_signal_connect (priv->text_handle, "handle-dragged",
1491 G_CALLBACK (gtk_text_view_handle_dragged), text_view);
1492 g_signal_connect (priv->text_handle, "drag-finished",
1493 G_CALLBACK (gtk_text_view_handle_drag_finished), text_view);
1497 * gtk_text_view_new:
1499 * Creates a new #GtkTextView. If you don't call gtk_text_view_set_buffer()
1500 * before using the text view, an empty default buffer will be created
1501 * for you. Get the buffer with gtk_text_view_get_buffer(). If you want
1502 * to specify your own buffer, consider gtk_text_view_new_with_buffer().
1504 * Return value: a new #GtkTextView
1507 gtk_text_view_new (void)
1509 return g_object_new (GTK_TYPE_TEXT_VIEW, NULL);
1513 * gtk_text_view_new_with_buffer:
1514 * @buffer: a #GtkTextBuffer
1516 * Creates a new #GtkTextView widget displaying the buffer
1517 * @buffer. One buffer can be shared among many widgets.
1518 * @buffer may be %NULL to create a default buffer, in which case
1519 * this function is equivalent to gtk_text_view_new(). The
1520 * text view adds its own reference count to the buffer; it does not
1521 * take over an existing reference.
1523 * Return value: a new #GtkTextView.
1526 gtk_text_view_new_with_buffer (GtkTextBuffer *buffer)
1528 GtkTextView *text_view;
1530 text_view = (GtkTextView*)gtk_text_view_new ();
1532 gtk_text_view_set_buffer (text_view, buffer);
1534 return GTK_WIDGET (text_view);
1538 * gtk_text_view_set_buffer:
1539 * @text_view: a #GtkTextView
1540 * @buffer: (allow-none): a #GtkTextBuffer
1542 * Sets @buffer as the buffer being displayed by @text_view. The previous
1543 * buffer displayed by the text view is unreferenced, and a reference is
1544 * added to @buffer. If you owned a reference to @buffer before passing it
1545 * to this function, you must remove that reference yourself; #GtkTextView
1546 * will not "adopt" it.
1549 gtk_text_view_set_buffer (GtkTextView *text_view,
1550 GtkTextBuffer *buffer)
1552 GtkTextViewPrivate *priv;
1553 GtkTextBuffer *old_buffer;
1555 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1556 g_return_if_fail (buffer == NULL || GTK_IS_TEXT_BUFFER (buffer));
1558 priv = text_view->priv;
1560 if (priv->buffer == buffer)
1563 old_buffer = priv->buffer;
1564 if (priv->buffer != NULL)
1566 /* Destroy all anchored children */
1570 copy = g_slist_copy (priv->children);
1572 while (tmp_list != NULL)
1574 GtkTextViewChild *vc = tmp_list->data;
1578 gtk_widget_destroy (vc->widget);
1579 /* vc may now be invalid! */
1582 tmp_list = g_slist_next (tmp_list);
1585 g_slist_free (copy);
1587 g_signal_handlers_disconnect_by_func (priv->buffer,
1588 gtk_text_view_mark_set_handler,
1590 g_signal_handlers_disconnect_by_func (priv->buffer,
1591 gtk_text_view_target_list_notify,
1593 g_signal_handlers_disconnect_by_func (priv->buffer,
1594 gtk_text_view_paste_done_handler,
1596 g_signal_handlers_disconnect_by_func (priv->buffer,
1597 gtk_text_view_buffer_changed_handler,
1600 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
1602 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1603 GDK_SELECTION_PRIMARY);
1604 gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
1608 gtk_text_layout_set_buffer (priv->layout, NULL);
1610 priv->dnd_mark = NULL;
1611 priv->first_para_mark = NULL;
1612 cancel_pending_scroll (text_view);
1615 priv->buffer = buffer;
1618 gtk_text_layout_set_buffer (priv->layout, buffer);
1624 g_object_ref (buffer);
1626 gtk_text_buffer_get_iter_at_offset (priv->buffer, &start, 0);
1628 priv->dnd_mark = gtk_text_buffer_create_mark (priv->buffer,
1632 priv->first_para_mark = gtk_text_buffer_create_mark (priv->buffer,
1636 priv->first_para_pixels = 0;
1639 g_signal_connect (priv->buffer, "mark-set",
1640 G_CALLBACK (gtk_text_view_mark_set_handler),
1642 g_signal_connect (priv->buffer, "notify::paste-target-list",
1643 G_CALLBACK (gtk_text_view_target_list_notify),
1645 g_signal_connect (priv->buffer, "paste-done",
1646 G_CALLBACK (gtk_text_view_paste_done_handler),
1648 g_signal_connect (priv->buffer, "changed",
1649 G_CALLBACK (gtk_text_view_buffer_changed_handler),
1652 gtk_text_view_target_list_notify (priv->buffer, NULL, text_view);
1654 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
1656 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1657 GDK_SELECTION_PRIMARY);
1658 gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
1661 gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_NONE);
1664 _gtk_text_view_accessible_set_buffer (text_view, old_buffer);
1666 g_object_unref (old_buffer);
1668 g_object_notify (G_OBJECT (text_view), "buffer");
1670 if (gtk_widget_get_visible (GTK_WIDGET (text_view)))
1671 gtk_widget_queue_draw (GTK_WIDGET (text_view));
1673 DV(g_print ("Invalidating due to set_buffer\n"));
1674 gtk_text_view_invalidate (text_view);
1677 static GtkTextBuffer*
1678 get_buffer (GtkTextView *text_view)
1680 if (text_view->priv->buffer == NULL)
1683 b = gtk_text_buffer_new (NULL);
1684 gtk_text_view_set_buffer (text_view, b);
1688 return text_view->priv->buffer;
1692 * gtk_text_view_get_buffer:
1693 * @text_view: a #GtkTextView
1695 * Returns the #GtkTextBuffer being displayed by this text view.
1696 * The reference count on the buffer is not incremented; the caller
1697 * of this function won't own a new reference.
1699 * Return value: (transfer none): a #GtkTextBuffer
1702 gtk_text_view_get_buffer (GtkTextView *text_view)
1704 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
1706 return get_buffer (text_view);
1710 * gtk_text_view_get_cursor_locations:
1711 * @text_view: a #GtkTextView
1712 * @iter: (allow-none): a #GtkTextIter
1713 * @strong: (out) (allow-none): location to store the strong
1714 * cursor position (may be %NULL)
1715 * @weak: (out) (allow-none): location to store the weak
1716 * cursor position (may be %NULL)
1718 * Given an @iter within a text layout, determine the positions of the
1719 * strong and weak cursors if the insertion point is at that
1720 * iterator. The position of each cursor is stored as a zero-width
1721 * rectangle. The strong cursor location is the location where
1722 * characters of the directionality equal to the base direction of the
1723 * paragraph are inserted. The weak cursor location is the location
1724 * where characters of the directionality opposite to the base
1725 * direction of the paragraph are inserted.
1727 * If @iter is %NULL, the actual cursor position is used.
1729 * Note that if @iter happens to be the actual cursor position, and
1730 * there is currently an IM preedit sequence being entered, the
1731 * returned locations will be adjusted to account for the preedit
1732 * cursor's offset within the preedit sequence.
1734 * The rectangle position is in buffer coordinates; use
1735 * gtk_text_view_buffer_to_window_coords() to convert these
1736 * coordinates to coordinates for one of the windows in the text view.
1741 gtk_text_view_get_cursor_locations (GtkTextView *text_view,
1742 const GtkTextIter *iter,
1743 GdkRectangle *strong,
1748 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1749 g_return_if_fail (iter == NULL ||
1750 gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1752 gtk_text_view_ensure_layout (text_view);
1757 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
1758 gtk_text_buffer_get_insert (get_buffer (text_view)));
1760 gtk_text_layout_get_cursor_locations (text_view->priv->layout, &insert,
1765 * gtk_text_view_get_iter_at_location:
1766 * @text_view: a #GtkTextView
1767 * @iter: (out): a #GtkTextIter
1768 * @x: x position, in buffer coordinates
1769 * @y: y position, in buffer coordinates
1771 * Retrieves the iterator at buffer coordinates @x and @y. Buffer
1772 * coordinates are coordinates for the entire buffer, not just the
1773 * currently-displayed portion. If you have coordinates from an
1774 * event, you have to convert those to buffer coordinates with
1775 * gtk_text_view_window_to_buffer_coords().
1778 gtk_text_view_get_iter_at_location (GtkTextView *text_view,
1783 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1784 g_return_if_fail (iter != NULL);
1786 gtk_text_view_ensure_layout (text_view);
1788 gtk_text_layout_get_iter_at_pixel (text_view->priv->layout,
1793 * gtk_text_view_get_iter_at_position:
1794 * @text_view: a #GtkTextView
1795 * @iter: (out): a #GtkTextIter
1796 * @trailing: (out) (allow-none): if non-%NULL, location to store an integer indicating where
1797 * in the grapheme the user clicked. It will either be
1798 * zero, or the number of characters in the grapheme.
1799 * 0 represents the trailing edge of the grapheme.
1800 * @x: x position, in buffer coordinates
1801 * @y: y position, in buffer coordinates
1803 * Retrieves the iterator pointing to the character at buffer
1804 * coordinates @x and @y. Buffer coordinates are coordinates for
1805 * the entire buffer, not just the currently-displayed portion.
1806 * If you have coordinates from an event, you have to convert
1807 * those to buffer coordinates with
1808 * gtk_text_view_window_to_buffer_coords().
1810 * Note that this is different from gtk_text_view_get_iter_at_location(),
1811 * which returns cursor locations, i.e. positions <emphasis>between</emphasis>
1817 gtk_text_view_get_iter_at_position (GtkTextView *text_view,
1823 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1824 g_return_if_fail (iter != NULL);
1826 gtk_text_view_ensure_layout (text_view);
1828 gtk_text_layout_get_iter_at_position (text_view->priv->layout,
1829 iter, trailing, x, y);
1833 * gtk_text_view_get_iter_location:
1834 * @text_view: a #GtkTextView
1835 * @iter: a #GtkTextIter
1836 * @location: (out): bounds of the character at @iter
1838 * Gets a rectangle which roughly contains the character at @iter.
1839 * The rectangle position is in buffer coordinates; use
1840 * gtk_text_view_buffer_to_window_coords() to convert these
1841 * coordinates to coordinates for one of the windows in the text view.
1844 gtk_text_view_get_iter_location (GtkTextView *text_view,
1845 const GtkTextIter *iter,
1846 GdkRectangle *location)
1848 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1849 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1851 gtk_text_view_ensure_layout (text_view);
1853 gtk_text_layout_get_iter_location (text_view->priv->layout, iter, location);
1857 * gtk_text_view_get_line_yrange:
1858 * @text_view: a #GtkTextView
1859 * @iter: a #GtkTextIter
1860 * @y: (out): return location for a y coordinate
1861 * @height: (out): return location for a height
1863 * Gets the y coordinate of the top of the line containing @iter,
1864 * and the height of the line. The coordinate is a buffer coordinate;
1865 * convert to window coordinates with gtk_text_view_buffer_to_window_coords().
1868 gtk_text_view_get_line_yrange (GtkTextView *text_view,
1869 const GtkTextIter *iter,
1873 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1874 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1876 gtk_text_view_ensure_layout (text_view);
1878 gtk_text_layout_get_line_yrange (text_view->priv->layout,
1885 * gtk_text_view_get_line_at_y:
1886 * @text_view: a #GtkTextView
1887 * @target_iter: (out): a #GtkTextIter
1888 * @y: a y coordinate
1889 * @line_top: (out): return location for top coordinate of the line
1891 * Gets the #GtkTextIter at the start of the line containing
1892 * the coordinate @y. @y is in buffer coordinates, convert from
1893 * window coordinates with gtk_text_view_window_to_buffer_coords().
1894 * If non-%NULL, @line_top will be filled with the coordinate of the top
1898 gtk_text_view_get_line_at_y (GtkTextView *text_view,
1899 GtkTextIter *target_iter,
1903 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1905 gtk_text_view_ensure_layout (text_view);
1907 gtk_text_layout_get_line_at_y (text_view->priv->layout,
1914 * gtk_text_view_scroll_to_iter:
1915 * @text_view: a #GtkTextView
1916 * @iter: a #GtkTextIter
1917 * @within_margin: margin as a [0.0,0.5) fraction of screen size
1918 * @use_align: whether to use alignment arguments (if %FALSE,
1919 * just get the mark onscreen)
1920 * @xalign: horizontal alignment of mark within visible area
1921 * @yalign: vertical alignment of mark within visible area
1923 * Scrolls @text_view so that @iter is on the screen in the position
1924 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
1925 * left or top, 1.0 indicates right or bottom, 0.5 means center.
1926 * If @use_align is %FALSE, the text scrolls the minimal distance to
1927 * get the mark onscreen, possibly not scrolling at all. The effective
1928 * screen for purposes of this function is reduced by a margin of size
1931 * Note that this function uses the currently-computed height of the
1932 * lines in the text buffer. Line heights are computed in an idle
1933 * handler; so this function may not have the desired effect if it's
1934 * called before the height computations. To avoid oddness, consider
1935 * using gtk_text_view_scroll_to_mark() which saves a point to be
1936 * scrolled to after line validation.
1938 * Return value: %TRUE if scrolling occurred
1941 gtk_text_view_scroll_to_iter (GtkTextView *text_view,
1943 gdouble within_margin,
1949 GdkRectangle screen;
1954 gboolean retval = FALSE;
1956 gint screen_xoffset, screen_yoffset;
1957 gint current_x_scroll, current_y_scroll;
1959 /* FIXME why don't we do the validate-at-scroll-destination thing
1960 * from flush_scroll in this function? I think it wasn't done before
1961 * because changed_handler was screwed up, but I could be wrong.
1964 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
1965 g_return_val_if_fail (iter != NULL, FALSE);
1966 g_return_val_if_fail (within_margin >= 0.0 && within_margin < 0.5, FALSE);
1967 g_return_val_if_fail (xalign >= 0.0 && xalign <= 1.0, FALSE);
1968 g_return_val_if_fail (yalign >= 0.0 && yalign <= 1.0, FALSE);
1970 widget = GTK_WIDGET (text_view);
1972 DV(g_print(G_STRLOC"\n"));
1974 gtk_text_layout_get_iter_location (text_view->priv->layout,
1978 DV (g_print (" target rect %d,%d %d x %d\n", rect.x, rect.y, rect.width, rect.height));
1980 current_x_scroll = text_view->priv->xoffset;
1981 current_y_scroll = text_view->priv->yoffset;
1983 screen.x = current_x_scroll;
1984 screen.y = current_y_scroll;
1985 screen.width = SCREEN_WIDTH (widget);
1986 screen.height = SCREEN_HEIGHT (widget);
1988 screen_xoffset = screen.width * within_margin;
1989 screen_yoffset = screen.height * within_margin;
1991 screen.x += screen_xoffset;
1992 screen.y += screen_yoffset;
1993 screen.width -= screen_xoffset * 2;
1994 screen.height -= screen_yoffset * 2;
1996 /* paranoia check */
1997 if (screen.width < 1)
1999 if (screen.height < 1)
2002 /* The -1 here ensures that we leave enough space to draw the cursor
2003 * when this function is used for horizontal scrolling.
2005 screen_right = screen.x + screen.width - 1;
2006 screen_bottom = screen.y + screen.height;
2008 /* The alignment affects the point in the target character that we
2009 * choose to align. If we're doing right/bottom alignment, we align
2010 * the right/bottom edge of the character the mark is at; if we're
2011 * doing left/top we align the left/top edge of the character; if
2012 * we're doing center alignment we align the center of the
2016 /* Vertical scroll */
2019 scroll_dest = current_y_scroll;
2023 scroll_dest = rect.y + (rect.height * yalign) - (screen.height * yalign);
2025 /* if scroll_dest < screen.y, we move a negative increment (up),
2026 * else a positive increment (down)
2028 scroll_inc = scroll_dest - screen.y + screen_yoffset;
2032 /* move minimum to get onscreen */
2033 if (rect.y < screen.y)
2035 scroll_dest = rect.y;
2036 scroll_inc = scroll_dest - screen.y - screen_yoffset;
2038 else if ((rect.y + rect.height) > screen_bottom)
2040 scroll_dest = rect.y + rect.height;
2041 scroll_inc = scroll_dest - screen_bottom + screen_yoffset;
2045 if (scroll_inc != 0)
2047 gtk_adjustment_set_value (text_view->priv->vadjustment,
2048 current_y_scroll + scroll_inc);
2050 DV (g_print (" vert increment %d\n", scroll_inc));
2053 /* Horizontal scroll */
2056 scroll_dest = current_x_scroll;
2060 scroll_dest = rect.x + (rect.width * xalign) - (screen.width * xalign);
2062 /* if scroll_dest < screen.y, we move a negative increment (left),
2063 * else a positive increment (right)
2065 scroll_inc = scroll_dest - screen.x + screen_xoffset;
2069 /* move minimum to get onscreen */
2070 if (rect.x < screen.x)
2072 scroll_dest = rect.x;
2073 scroll_inc = scroll_dest - screen.x - screen_xoffset;
2075 else if ((rect.x + rect.width) > screen_right)
2077 scroll_dest = rect.x + rect.width;
2078 scroll_inc = scroll_dest - screen_right + screen_xoffset;
2082 if (scroll_inc != 0)
2084 gtk_adjustment_set_value (text_view->priv->hadjustment,
2085 current_x_scroll + scroll_inc);
2087 DV (g_print (" horiz increment %d\n", scroll_inc));
2090 retval = (current_y_scroll != gtk_adjustment_get_value (text_view->priv->vadjustment))
2091 || (current_x_scroll != gtk_adjustment_get_value (text_view->priv->hadjustment));
2095 DV(g_print (">Actually scrolled ("G_STRLOC")\n"));
2099 DV(g_print (">Didn't end up scrolling ("G_STRLOC")\n"));
2106 free_pending_scroll (GtkTextPendingScroll *scroll)
2108 if (!gtk_text_mark_get_deleted (scroll->mark))
2109 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (scroll->mark),
2111 g_object_unref (scroll->mark);
2116 cancel_pending_scroll (GtkTextView *text_view)
2118 if (text_view->priv->pending_scroll)
2120 free_pending_scroll (text_view->priv->pending_scroll);
2121 text_view->priv->pending_scroll = NULL;
2126 gtk_text_view_queue_scroll (GtkTextView *text_view,
2128 gdouble within_margin,
2134 GtkTextPendingScroll *scroll;
2136 DV(g_print(G_STRLOC"\n"));
2138 scroll = g_new (GtkTextPendingScroll, 1);
2140 scroll->within_margin = within_margin;
2141 scroll->use_align = use_align;
2142 scroll->xalign = xalign;
2143 scroll->yalign = yalign;
2145 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
2147 scroll->mark = gtk_text_buffer_create_mark (get_buffer (text_view),
2150 gtk_text_mark_get_left_gravity (mark));
2152 g_object_ref (scroll->mark);
2154 cancel_pending_scroll (text_view);
2156 text_view->priv->pending_scroll = scroll;
2160 gtk_text_view_flush_scroll (GtkTextView *text_view)
2162 GtkAllocation allocation;
2164 GtkTextPendingScroll *scroll;
2168 widget = GTK_WIDGET (text_view);
2170 DV(g_print(G_STRLOC"\n"));
2172 if (text_view->priv->pending_scroll == NULL)
2174 DV (g_print ("in flush scroll, no pending scroll\n"));
2178 scroll = text_view->priv->pending_scroll;
2180 /* avoid recursion */
2181 text_view->priv->pending_scroll = NULL;
2183 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, scroll->mark);
2185 /* Validate area around the scroll destination, so the adjustment
2186 * can meaningfully point into that area. We must validate
2187 * enough area to be sure that after we scroll, everything onscreen
2188 * is valid; otherwise, validation will maintain the first para
2189 * in one place, but may push the target iter off the bottom of
2192 DV(g_print (">Validating scroll destination ("G_STRLOC")\n"));
2193 gtk_widget_get_allocation (widget, &allocation);
2194 gtk_text_layout_validate_yrange (text_view->priv->layout, &iter,
2195 -(allocation.height * 2),
2196 allocation.height * 2);
2198 DV(g_print (">Done validating scroll destination ("G_STRLOC")\n"));
2200 /* Ensure we have updated width/height */
2201 gtk_text_view_update_adjustments (text_view);
2203 retval = gtk_text_view_scroll_to_iter (text_view,
2205 scroll->within_margin,
2210 free_pending_scroll (scroll);
2216 gtk_text_view_update_adjustments (GtkTextView *text_view)
2218 GtkTextViewPrivate *priv;
2219 gint width = 0, height = 0;
2221 DV(g_print(">Updating adjustments ("G_STRLOC")\n"));
2223 priv = text_view->priv;
2226 gtk_text_layout_get_size (priv->layout, &width, &height);
2228 /* Make room for the cursor after the last character in the widest line */
2229 width += SPACE_FOR_CURSOR;
2231 if (priv->width != width || priv->height != height)
2233 if (priv->width != width)
2234 priv->width_changed = TRUE;
2236 priv->width = width;
2237 priv->height = height;
2239 gtk_text_view_set_hadjustment_values (text_view);
2240 gtk_text_view_set_vadjustment_values (text_view);
2245 gtk_text_view_update_layout_width (GtkTextView *text_view)
2247 DV(g_print(">Updating layout width ("G_STRLOC")\n"));
2249 gtk_text_view_ensure_layout (text_view);
2251 gtk_text_layout_set_screen_width (text_view->priv->layout,
2252 MAX (1, SCREEN_WIDTH (text_view) - SPACE_FOR_CURSOR));
2256 gtk_text_view_update_im_spot_location (GtkTextView *text_view)
2260 if (text_view->priv->layout == NULL)
2263 gtk_text_view_get_cursor_locations (text_view, NULL, &area, NULL);
2265 area.x -= text_view->priv->xoffset;
2266 area.y -= text_view->priv->yoffset;
2268 /* Width returned by Pango indicates direction of cursor,
2269 * by its sign more than the size of cursor.
2273 gtk_im_context_set_cursor_location (text_view->priv->im_context, &area);
2277 do_update_im_spot_location (gpointer text_view)
2279 GtkTextViewPrivate *priv;
2281 priv = GTK_TEXT_VIEW (text_view)->priv;
2282 priv->im_spot_idle = 0;
2284 gtk_text_view_update_im_spot_location (text_view);
2289 queue_update_im_spot_location (GtkTextView *text_view)
2291 GtkTextViewPrivate *priv;
2293 priv = text_view->priv;
2295 /* Use priority a little higher than GTK_TEXT_VIEW_PRIORITY_VALIDATE,
2296 * so we don't wait until the entire buffer has been validated. */
2297 if (!priv->im_spot_idle)
2298 priv->im_spot_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE - 1,
2299 do_update_im_spot_location,
2305 flush_update_im_spot_location (GtkTextView *text_view)
2307 GtkTextViewPrivate *priv;
2309 priv = text_view->priv;
2311 if (priv->im_spot_idle)
2313 g_source_remove (priv->im_spot_idle);
2314 priv->im_spot_idle = 0;
2315 gtk_text_view_update_im_spot_location (text_view);
2320 * gtk_text_view_scroll_to_mark:
2321 * @text_view: a #GtkTextView
2322 * @mark: a #GtkTextMark
2323 * @within_margin: margin as a [0.0,0.5) fraction of screen size
2324 * @use_align: whether to use alignment arguments (if %FALSE, just
2325 * get the mark onscreen)
2326 * @xalign: horizontal alignment of mark within visible area
2327 * @yalign: vertical alignment of mark within visible area
2329 * Scrolls @text_view so that @mark is on the screen in the position
2330 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
2331 * left or top, 1.0 indicates right or bottom, 0.5 means center.
2332 * If @use_align is %FALSE, the text scrolls the minimal distance to
2333 * get the mark onscreen, possibly not scrolling at all. The effective
2334 * screen for purposes of this function is reduced by a margin of size
2338 gtk_text_view_scroll_to_mark (GtkTextView *text_view,
2340 gdouble within_margin,
2345 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2346 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
2347 g_return_if_fail (within_margin >= 0.0 && within_margin < 0.5);
2348 g_return_if_fail (xalign >= 0.0 && xalign <= 1.0);
2349 g_return_if_fail (yalign >= 0.0 && yalign <= 1.0);
2351 /* We need to verify that the buffer contains the mark, otherwise this
2352 * can lead to data structure corruption later on.
2354 g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
2356 gtk_text_view_queue_scroll (text_view, mark,
2362 /* If no validation is pending, we need to go ahead and force an
2365 if (text_view->priv->layout &&
2366 gtk_text_layout_is_valid (text_view->priv->layout))
2367 gtk_text_view_flush_scroll (text_view);
2371 * gtk_text_view_scroll_mark_onscreen:
2372 * @text_view: a #GtkTextView
2373 * @mark: a mark in the buffer for @text_view
2375 * Scrolls @text_view the minimum distance such that @mark is contained
2376 * within the visible area of the widget.
2379 gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
2382 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2383 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
2385 /* We need to verify that the buffer contains the mark, otherwise this
2386 * can lead to data structure corruption later on.
2388 g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
2390 gtk_text_view_scroll_to_mark (text_view, mark, 0.0, FALSE, 0.0, 0.0);
2394 clamp_iter_onscreen (GtkTextView *text_view, GtkTextIter *iter)
2396 GdkRectangle visible_rect;
2397 gtk_text_view_get_visible_rect (text_view, &visible_rect);
2399 return gtk_text_layout_clamp_iter_to_vrange (text_view->priv->layout, iter,
2401 visible_rect.y + visible_rect.height);
2405 * gtk_text_view_move_mark_onscreen:
2406 * @text_view: a #GtkTextView
2407 * @mark: a #GtkTextMark
2409 * Moves a mark within the buffer so that it's
2410 * located within the currently-visible text area.
2412 * Return value: %TRUE if the mark moved (wasn't already onscreen)
2415 gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
2420 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2421 g_return_val_if_fail (mark != NULL, FALSE);
2423 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
2425 if (clamp_iter_onscreen (text_view, &iter))
2427 gtk_text_buffer_move_mark (get_buffer (text_view), mark, &iter);
2435 * gtk_text_view_get_visible_rect:
2436 * @text_view: a #GtkTextView
2437 * @visible_rect: (out): rectangle to fill
2439 * Fills @visible_rect with the currently-visible
2440 * region of the buffer, in buffer coordinates. Convert to window coordinates
2441 * with gtk_text_view_buffer_to_window_coords().
2444 gtk_text_view_get_visible_rect (GtkTextView *text_view,
2445 GdkRectangle *visible_rect)
2449 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2451 widget = GTK_WIDGET (text_view);
2455 visible_rect->x = text_view->priv->xoffset;
2456 visible_rect->y = text_view->priv->yoffset;
2457 visible_rect->width = SCREEN_WIDTH (widget);
2458 visible_rect->height = SCREEN_HEIGHT (widget);
2460 DV(g_print(" visible rect: %d,%d %d x %d\n",
2463 visible_rect->width,
2464 visible_rect->height));
2469 * gtk_text_view_set_wrap_mode:
2470 * @text_view: a #GtkTextView
2471 * @wrap_mode: a #GtkWrapMode
2473 * Sets the line wrapping for the view.
2476 gtk_text_view_set_wrap_mode (GtkTextView *text_view,
2477 GtkWrapMode wrap_mode)
2479 GtkTextViewPrivate *priv;
2481 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2483 priv = text_view->priv;
2485 if (priv->wrap_mode != wrap_mode)
2487 priv->wrap_mode = wrap_mode;
2489 if (priv->layout && priv->layout->default_style)
2491 priv->layout->default_style->wrap_mode = wrap_mode;
2492 gtk_text_layout_default_style_changed (priv->layout);
2496 g_object_notify (G_OBJECT (text_view), "wrap-mode");
2500 * gtk_text_view_get_wrap_mode:
2501 * @text_view: a #GtkTextView
2503 * Gets the line wrapping for the view.
2505 * Return value: the line wrap setting
2508 gtk_text_view_get_wrap_mode (GtkTextView *text_view)
2510 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_WRAP_NONE);
2512 return text_view->priv->wrap_mode;
2516 * gtk_text_view_set_editable:
2517 * @text_view: a #GtkTextView
2518 * @setting: whether it's editable
2520 * Sets the default editability of the #GtkTextView. You can override
2521 * this default setting with tags in the buffer, using the "editable"
2522 * attribute of tags.
2525 gtk_text_view_set_editable (GtkTextView *text_view,
2528 GtkTextViewPrivate *priv;
2530 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2532 priv = text_view->priv;
2533 setting = setting != FALSE;
2535 if (priv->editable != setting)
2539 gtk_text_view_reset_im_context(text_view);
2540 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
2541 gtk_im_context_focus_out (priv->im_context);
2544 priv->editable = setting;
2546 if (setting && gtk_widget_has_focus (GTK_WIDGET (text_view)))
2547 gtk_im_context_focus_in (priv->im_context);
2549 if (priv->layout && priv->layout->default_style)
2551 gtk_text_layout_set_overwrite_mode (priv->layout,
2552 priv->overwrite_mode && priv->editable);
2553 priv->layout->default_style->editable = priv->editable;
2554 gtk_text_layout_default_style_changed (priv->layout);
2557 g_object_notify (G_OBJECT (text_view), "editable");
2562 * gtk_text_view_get_editable:
2563 * @text_view: a #GtkTextView
2565 * Returns the default editability of the #GtkTextView. Tags in the
2566 * buffer may override this setting for some ranges of text.
2568 * Return value: whether text is editable by default
2571 gtk_text_view_get_editable (GtkTextView *text_view)
2573 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2575 return text_view->priv->editable;
2579 * gtk_text_view_set_pixels_above_lines:
2580 * @text_view: a #GtkTextView
2581 * @pixels_above_lines: pixels above paragraphs
2583 * Sets the default number of blank pixels above paragraphs in @text_view.
2584 * Tags in the buffer for @text_view may override the defaults.
2587 gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
2588 gint pixels_above_lines)
2590 GtkTextViewPrivate *priv;
2592 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2594 priv = text_view->priv;
2596 if (priv->pixels_above_lines != pixels_above_lines)
2598 priv->pixels_above_lines = pixels_above_lines;
2600 if (priv->layout && priv->layout->default_style)
2602 priv->layout->default_style->pixels_above_lines = pixels_above_lines;
2603 gtk_text_layout_default_style_changed (priv->layout);
2606 g_object_notify (G_OBJECT (text_view), "pixels-above-lines");
2611 * gtk_text_view_get_pixels_above_lines:
2612 * @text_view: a #GtkTextView
2614 * Gets the default number of pixels to put above paragraphs.
2616 * Return value: default number of pixels above paragraphs
2619 gtk_text_view_get_pixels_above_lines (GtkTextView *text_view)
2621 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2623 return text_view->priv->pixels_above_lines;
2627 * gtk_text_view_set_pixels_below_lines:
2628 * @text_view: a #GtkTextView
2629 * @pixels_below_lines: pixels below paragraphs
2631 * Sets the default number of pixels of blank space
2632 * to put below paragraphs in @text_view. May be overridden
2633 * by tags applied to @text_view's buffer.
2636 gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
2637 gint pixels_below_lines)
2639 GtkTextViewPrivate *priv;
2641 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2643 priv = text_view->priv;
2645 if (priv->pixels_below_lines != pixels_below_lines)
2647 priv->pixels_below_lines = pixels_below_lines;
2649 if (priv->layout && priv->layout->default_style)
2651 priv->layout->default_style->pixels_below_lines = pixels_below_lines;
2652 gtk_text_layout_default_style_changed (priv->layout);
2655 g_object_notify (G_OBJECT (text_view), "pixels-below-lines");
2660 * gtk_text_view_get_pixels_below_lines:
2661 * @text_view: a #GtkTextView
2663 * Gets the value set by gtk_text_view_set_pixels_below_lines().
2665 * Return value: default number of blank pixels below paragraphs
2668 gtk_text_view_get_pixels_below_lines (GtkTextView *text_view)
2670 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2672 return text_view->priv->pixels_below_lines;
2676 * gtk_text_view_set_pixels_inside_wrap:
2677 * @text_view: a #GtkTextView
2678 * @pixels_inside_wrap: default number of pixels between wrapped lines
2680 * Sets the default number of pixels of blank space to leave between
2681 * display/wrapped lines within a paragraph. May be overridden by
2682 * tags in @text_view's buffer.
2685 gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
2686 gint pixels_inside_wrap)
2688 GtkTextViewPrivate *priv;
2690 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2692 priv = text_view->priv;
2694 if (priv->pixels_inside_wrap != pixels_inside_wrap)
2696 priv->pixels_inside_wrap = pixels_inside_wrap;
2698 if (priv->layout && priv->layout->default_style)
2700 priv->layout->default_style->pixels_inside_wrap = pixels_inside_wrap;
2701 gtk_text_layout_default_style_changed (priv->layout);
2704 g_object_notify (G_OBJECT (text_view), "pixels-inside-wrap");
2709 * gtk_text_view_get_pixels_inside_wrap:
2710 * @text_view: a #GtkTextView
2712 * Gets the value set by gtk_text_view_set_pixels_inside_wrap().
2714 * Return value: default number of pixels of blank space between wrapped lines
2717 gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view)
2719 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2721 return text_view->priv->pixels_inside_wrap;
2725 * gtk_text_view_set_justification:
2726 * @text_view: a #GtkTextView
2727 * @justification: justification
2729 * Sets the default justification of text in @text_view.
2730 * Tags in the view's buffer may override the default.
2734 gtk_text_view_set_justification (GtkTextView *text_view,
2735 GtkJustification justification)
2737 GtkTextViewPrivate *priv;
2739 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2741 priv = text_view->priv;
2743 if (priv->justify != justification)
2745 priv->justify = justification;
2747 if (priv->layout && priv->layout->default_style)
2749 priv->layout->default_style->justification = justification;
2750 gtk_text_layout_default_style_changed (priv->layout);
2753 g_object_notify (G_OBJECT (text_view), "justification");
2758 * gtk_text_view_get_justification:
2759 * @text_view: a #GtkTextView
2761 * Gets the default justification of paragraphs in @text_view.
2762 * Tags in the buffer may override the default.
2764 * Return value: default justification
2767 gtk_text_view_get_justification (GtkTextView *text_view)
2769 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_JUSTIFY_LEFT);
2771 return text_view->priv->justify;
2775 * gtk_text_view_set_left_margin:
2776 * @text_view: a #GtkTextView
2777 * @left_margin: left margin in pixels
2779 * Sets the default left margin for text in @text_view.
2780 * Tags in the buffer may override the default.
2783 gtk_text_view_set_left_margin (GtkTextView *text_view,
2786 GtkTextViewPrivate *priv;
2788 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2790 priv = text_view->priv;
2792 if (priv->left_margin != left_margin)
2794 priv->left_margin = left_margin;
2796 if (priv->layout && priv->layout->default_style)
2798 priv->layout->default_style->left_margin = left_margin;
2799 gtk_text_layout_default_style_changed (priv->layout);
2802 g_object_notify (G_OBJECT (text_view), "left-margin");
2807 * gtk_text_view_get_left_margin:
2808 * @text_view: a #GtkTextView
2810 * Gets the default left margin size of paragraphs in the @text_view.
2811 * Tags in the buffer may override the default.
2813 * Return value: left margin in pixels
2816 gtk_text_view_get_left_margin (GtkTextView *text_view)
2818 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2820 return text_view->priv->left_margin;
2824 * gtk_text_view_set_right_margin:
2825 * @text_view: a #GtkTextView
2826 * @right_margin: right margin in pixels
2828 * Sets the default right margin for text in the text view.
2829 * Tags in the buffer may override the default.
2832 gtk_text_view_set_right_margin (GtkTextView *text_view,
2835 GtkTextViewPrivate *priv = text_view->priv;
2837 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2839 if (priv->right_margin != right_margin)
2841 priv->right_margin = right_margin;
2843 if (priv->layout && priv->layout->default_style)
2845 priv->layout->default_style->right_margin = right_margin;
2846 gtk_text_layout_default_style_changed (priv->layout);
2849 g_object_notify (G_OBJECT (text_view), "right-margin");
2854 * gtk_text_view_get_right_margin:
2855 * @text_view: a #GtkTextView
2857 * Gets the default right margin for text in @text_view. Tags
2858 * in the buffer may override the default.
2860 * Return value: right margin in pixels
2863 gtk_text_view_get_right_margin (GtkTextView *text_view)
2865 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2867 return text_view->priv->right_margin;
2871 * gtk_text_view_set_indent:
2872 * @text_view: a #GtkTextView
2873 * @indent: indentation in pixels
2875 * Sets the default indentation for paragraphs in @text_view.
2876 * Tags in the buffer may override the default.
2879 gtk_text_view_set_indent (GtkTextView *text_view,
2882 GtkTextViewPrivate *priv;
2884 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2886 priv = text_view->priv;
2888 if (priv->indent != indent)
2890 priv->indent = indent;
2892 if (priv->layout && priv->layout->default_style)
2894 priv->layout->default_style->indent = indent;
2895 gtk_text_layout_default_style_changed (priv->layout);
2898 g_object_notify (G_OBJECT (text_view), "indent");
2903 * gtk_text_view_get_indent:
2904 * @text_view: a #GtkTextView
2906 * Gets the default indentation of paragraphs in @text_view.
2907 * Tags in the view's buffer may override the default.
2908 * The indentation may be negative.
2910 * Return value: number of pixels of indentation
2913 gtk_text_view_get_indent (GtkTextView *text_view)
2915 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2917 return text_view->priv->indent;
2921 * gtk_text_view_set_tabs:
2922 * @text_view: a #GtkTextView
2923 * @tabs: tabs as a #PangoTabArray
2925 * Sets the default tab stops for paragraphs in @text_view.
2926 * Tags in the buffer may override the default.
2929 gtk_text_view_set_tabs (GtkTextView *text_view,
2930 PangoTabArray *tabs)
2932 GtkTextViewPrivate *priv;
2934 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2936 priv = text_view->priv;
2939 pango_tab_array_free (priv->tabs);
2941 priv->tabs = tabs ? pango_tab_array_copy (tabs) : NULL;
2943 if (priv->layout && priv->layout->default_style)
2945 /* some unkosher futzing in internal struct details... */
2946 if (priv->layout->default_style->tabs)
2947 pango_tab_array_free (priv->layout->default_style->tabs);
2949 priv->layout->default_style->tabs =
2950 priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
2952 gtk_text_layout_default_style_changed (priv->layout);
2955 g_object_notify (G_OBJECT (text_view), "tabs");
2959 * gtk_text_view_get_tabs:
2960 * @text_view: a #GtkTextView
2962 * Gets the default tabs for @text_view. Tags in the buffer may
2963 * override the defaults. The returned array will be %NULL if
2964 * "standard" (8-space) tabs are used. Free the return value
2965 * with pango_tab_array_free().
2967 * Return value: copy of default tab array, or %NULL if "standard"
2968 * tabs are used; must be freed with pango_tab_array_free().
2971 gtk_text_view_get_tabs (GtkTextView *text_view)
2973 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
2975 return text_view->priv->tabs ? pango_tab_array_copy (text_view->priv->tabs) : NULL;
2979 gtk_text_view_toggle_cursor_visible (GtkTextView *text_view)
2981 gtk_text_view_set_cursor_visible (text_view, !text_view->priv->cursor_visible);
2985 * gtk_text_view_set_cursor_visible:
2986 * @text_view: a #GtkTextView
2987 * @setting: whether to show the insertion cursor
2989 * Toggles whether the insertion point is displayed. A buffer with no editable
2990 * text probably shouldn't have a visible cursor, so you may want to turn
2994 gtk_text_view_set_cursor_visible (GtkTextView *text_view,
2997 GtkTextViewPrivate *priv;
2999 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
3001 priv = text_view->priv;
3002 setting = (setting != FALSE);
3004 if (priv->cursor_visible != setting)
3006 priv->cursor_visible = setting;
3008 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
3012 gtk_text_layout_set_cursor_visible (priv->layout, setting);
3013 gtk_text_view_check_cursor_blink (text_view);
3017 g_object_notify (G_OBJECT (text_view), "cursor-visible");
3022 * gtk_text_view_get_cursor_visible:
3023 * @text_view: a #GtkTextView
3025 * Find out whether the cursor is being displayed.
3027 * Return value: whether the insertion mark is visible
3030 gtk_text_view_get_cursor_visible (GtkTextView *text_view)
3032 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
3034 return text_view->priv->cursor_visible;
3039 * gtk_text_view_place_cursor_onscreen:
3040 * @text_view: a #GtkTextView
3042 * Moves the cursor to the currently visible region of the
3043 * buffer, it it isn't there already.
3045 * Return value: %TRUE if the cursor had to be moved.
3048 gtk_text_view_place_cursor_onscreen (GtkTextView *text_view)
3052 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
3054 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
3055 gtk_text_buffer_get_insert (get_buffer (text_view)));
3057 if (clamp_iter_onscreen (text_view, &insert))
3059 gtk_text_buffer_place_cursor (get_buffer (text_view), &insert);
3067 gtk_text_view_remove_validate_idles (GtkTextView *text_view)
3069 GtkTextViewPrivate *priv = text_view->priv;
3071 if (priv->first_validate_idle != 0)
3073 DV (g_print ("Removing first validate idle: %s\n", G_STRLOC));
3074 g_source_remove (priv->first_validate_idle);
3075 priv->first_validate_idle = 0;
3078 if (priv->incremental_validate_idle != 0)
3080 g_source_remove (priv->incremental_validate_idle);
3081 priv->incremental_validate_idle = 0;
3086 gtk_text_view_destroy (GtkWidget *widget)
3088 GtkTextView *text_view;
3089 GtkTextViewPrivate *priv;
3091 text_view = GTK_TEXT_VIEW (widget);
3092 priv = text_view->priv;
3094 gtk_text_view_remove_validate_idles (text_view);
3095 gtk_text_view_set_buffer (text_view, NULL);
3096 gtk_text_view_destroy_layout (text_view);
3098 if (text_view->priv->scroll_timeout)
3100 g_source_remove (text_view->priv->scroll_timeout);
3101 text_view->priv->scroll_timeout = 0;
3104 if (priv->im_spot_idle)
3106 g_source_remove (priv->im_spot_idle);
3107 priv->im_spot_idle = 0;
3110 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->destroy (widget);
3114 gtk_text_view_finalize (GObject *object)
3116 GtkTextView *text_view;
3117 GtkTextViewPrivate *priv;
3119 text_view = GTK_TEXT_VIEW (object);
3120 priv = text_view->priv;
3122 gtk_text_view_destroy_layout (text_view);
3123 gtk_text_view_set_buffer (text_view, NULL);
3125 /* at this point, no "notify::buffer" handler should recreate the buffer. */
3126 g_assert (priv->buffer == NULL);
3128 cancel_pending_scroll (text_view);
3131 pango_tab_array_free (priv->tabs);
3133 if (priv->hadjustment)
3134 g_object_unref (priv->hadjustment);
3135 if (priv->vadjustment)
3136 g_object_unref (priv->vadjustment);
3138 text_window_free (priv->text_window);
3140 if (priv->left_window)
3141 text_window_free (priv->left_window);
3143 if (priv->top_window)
3144 text_window_free (priv->top_window);
3146 if (priv->right_window)
3147 text_window_free (priv->right_window);
3149 if (priv->bottom_window)
3150 text_window_free (priv->bottom_window);
3152 if (priv->selection_bubble)
3153 gtk_widget_destroy (priv->selection_bubble);
3155 g_object_unref (priv->text_handle);
3156 g_object_unref (priv->im_context);
3158 g_free (priv->im_module);
3160 G_OBJECT_CLASS (gtk_text_view_parent_class)->finalize (object);
3164 gtk_text_view_set_property (GObject *object,
3166 const GValue *value,
3169 GtkTextView *text_view;
3170 GtkTextViewPrivate *priv;
3172 text_view = GTK_TEXT_VIEW (object);
3173 priv = text_view->priv;
3177 case PROP_PIXELS_ABOVE_LINES:
3178 gtk_text_view_set_pixels_above_lines (text_view, g_value_get_int (value));
3181 case PROP_PIXELS_BELOW_LINES:
3182 gtk_text_view_set_pixels_below_lines (text_view, g_value_get_int (value));
3185 case PROP_PIXELS_INSIDE_WRAP:
3186 gtk_text_view_set_pixels_inside_wrap (text_view, g_value_get_int (value));
3190 gtk_text_view_set_editable (text_view, g_value_get_boolean (value));
3193 case PROP_WRAP_MODE:
3194 gtk_text_view_set_wrap_mode (text_view, g_value_get_enum (value));
3197 case PROP_JUSTIFICATION:
3198 gtk_text_view_set_justification (text_view, g_value_get_enum (value));
3201 case PROP_LEFT_MARGIN:
3202 gtk_text_view_set_left_margin (text_view, g_value_get_int (value));
3205 case PROP_RIGHT_MARGIN:
3206 gtk_text_view_set_right_margin (text_view, g_value_get_int (value));
3210 gtk_text_view_set_indent (text_view, g_value_get_int (value));
3214 gtk_text_view_set_tabs (text_view, g_value_get_boxed (value));
3217 case PROP_CURSOR_VISIBLE:
3218 gtk_text_view_set_cursor_visible (text_view, g_value_get_boolean (value));
3221 case PROP_OVERWRITE:
3222 gtk_text_view_set_overwrite (text_view, g_value_get_boolean (value));
3226 gtk_text_view_set_buffer (text_view, GTK_TEXT_BUFFER (g_value_get_object (value)));
3229 case PROP_ACCEPTS_TAB:
3230 gtk_text_view_set_accepts_tab (text_view, g_value_get_boolean (value));
3233 case PROP_IM_MODULE:
3234 g_free (priv->im_module);
3235 priv->im_module = g_value_dup_string (value);
3236 if (GTK_IS_IM_MULTICONTEXT (priv->im_context))
3237 gtk_im_multicontext_set_context_id (GTK_IM_MULTICONTEXT (priv->im_context), priv->im_module);
3240 case PROP_HADJUSTMENT:
3241 gtk_text_view_set_hadjustment (text_view, g_value_get_object (value));
3244 case PROP_VADJUSTMENT:
3245 gtk_text_view_set_vadjustment (text_view, g_value_get_object (value));
3248 case PROP_HSCROLL_POLICY:
3249 priv->hscroll_policy = g_value_get_enum (value);
3250 gtk_widget_queue_resize (GTK_WIDGET (text_view));
3253 case PROP_VSCROLL_POLICY:
3254 priv->vscroll_policy = g_value_get_enum (value);
3255 gtk_widget_queue_resize (GTK_WIDGET (text_view));
3258 case PROP_INPUT_PURPOSE:
3259 gtk_text_view_set_input_purpose (text_view, g_value_get_enum (value));
3262 case PROP_INPUT_HINTS:
3263 gtk_text_view_set_input_hints (text_view, g_value_get_flags (value));
3267 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3273 gtk_text_view_get_property (GObject *object,
3278 GtkTextView *text_view;
3279 GtkTextViewPrivate *priv;
3281 text_view = GTK_TEXT_VIEW (object);
3282 priv = text_view->priv;
3286 case PROP_PIXELS_ABOVE_LINES:
3287 g_value_set_int (value, priv->pixels_above_lines);
3290 case PROP_PIXELS_BELOW_LINES:
3291 g_value_set_int (value, priv->pixels_below_lines);
3294 case PROP_PIXELS_INSIDE_WRAP:
3295 g_value_set_int (value, priv->pixels_inside_wrap);
3299 g_value_set_boolean (value, priv->editable);
3302 case PROP_WRAP_MODE:
3303 g_value_set_enum (value, priv->wrap_mode);
3306 case PROP_JUSTIFICATION:
3307 g_value_set_enum (value, priv->justify);
3310 case PROP_LEFT_MARGIN:
3311 g_value_set_int (value, priv->left_margin);
3314 case PROP_RIGHT_MARGIN:
3315 g_value_set_int (value, priv->right_margin);
3319 g_value_set_int (value, priv->indent);
3323 g_value_set_boxed (value, priv->tabs);
3326 case PROP_CURSOR_VISIBLE:
3327 g_value_set_boolean (value, priv->cursor_visible);
3331 g_value_set_object (value, get_buffer (text_view));
3334 case PROP_OVERWRITE:
3335 g_value_set_boolean (value, priv->overwrite_mode);
3338 case PROP_ACCEPTS_TAB:
3339 g_value_set_boolean (value, priv->accepts_tab);
3342 case PROP_IM_MODULE:
3343 g_value_set_string (value, priv->im_module);
3346 case PROP_HADJUSTMENT:
3347 g_value_set_object (value, priv->hadjustment);
3350 case PROP_VADJUSTMENT:
3351 g_value_set_object (value, priv->vadjustment);
3354 case PROP_HSCROLL_POLICY:
3355 g_value_set_enum (value, priv->hscroll_policy);
3358 case PROP_VSCROLL_POLICY:
3359 g_value_set_enum (value, priv->vscroll_policy);
3362 case PROP_INPUT_PURPOSE:
3363 g_value_set_enum (value, gtk_text_view_get_input_purpose (text_view));
3366 case PROP_INPUT_HINTS:
3367 g_value_set_flags (value, gtk_text_view_get_input_hints (text_view));
3371 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3377 gtk_text_view_size_request (GtkWidget *widget,
3378 GtkRequisition *requisition)
3380 GtkTextView *text_view;
3381 GtkTextViewPrivate *priv;
3383 gint focus_edge_width;
3386 gboolean interior_focus;
3388 text_view = GTK_TEXT_VIEW (widget);
3389 priv = text_view->priv;
3391 gtk_widget_style_get (widget,
3392 "interior-focus", &interior_focus,
3393 "focus-line-width", &focus_width,
3397 focus_edge_width = 0;
3399 focus_edge_width = focus_width;
3403 priv->text_window->requisition.width = priv->layout->width;
3404 priv->text_window->requisition.height = priv->layout->height;
3408 priv->text_window->requisition.width = 0;
3409 priv->text_window->requisition.height = 0;
3412 requisition->width = priv->text_window->requisition.width + focus_edge_width * 2;
3413 requisition->height = priv->text_window->requisition.height + focus_edge_width * 2;
3415 if (priv->left_window)
3416 requisition->width += priv->left_window->requisition.width;
3418 if (priv->right_window)
3419 requisition->width += priv->right_window->requisition.width;
3421 if (priv->top_window)
3422 requisition->height += priv->top_window->requisition.height;
3424 if (priv->bottom_window)
3425 requisition->height += priv->bottom_window->requisition.height;
3427 border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
3428 requisition->width += border_width * 2;
3429 requisition->height += border_width * 2;
3431 tmp_list = priv->children;
3432 while (tmp_list != NULL)
3434 GtkTextViewChild *child = tmp_list->data;
3438 GtkRequisition child_req;
3439 GtkRequisition old_req;
3441 gtk_widget_get_preferred_size (child->widget, &old_req, NULL);
3443 gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
3445 /* Invalidate layout lines if required */
3447 (old_req.width != child_req.width ||
3448 old_req.height != child_req.height))
3449 gtk_text_child_anchor_queue_resize (child->anchor,
3454 GtkRequisition child_req;
3456 gtk_widget_get_preferred_size (child->widget,
3460 tmp_list = g_slist_next (tmp_list);
3463 /* Cache the requested size of the text view so we can
3464 * compare it in the changed_handler() */
3465 priv->cached_size_request = *requisition;
3469 gtk_text_view_get_preferred_width (GtkWidget *widget,
3473 GtkRequisition requisition;
3475 gtk_text_view_size_request (widget, &requisition);
3477 *minimum = *natural = requisition.width;
3481 gtk_text_view_get_preferred_height (GtkWidget *widget,
3485 GtkRequisition requisition;
3487 gtk_text_view_size_request (widget, &requisition);
3489 *minimum = *natural = requisition.height;
3494 gtk_text_view_compute_child_allocation (GtkTextView *text_view,
3495 GtkTextViewChild *vc,
3496 GtkAllocation *allocation)
3502 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
3506 gtk_text_layout_get_line_yrange (text_view->priv->layout, &iter,
3509 buffer_y += vc->from_top_of_line;
3511 allocation->x = vc->from_left_of_buffer - text_view->priv->xoffset;
3512 allocation->y = buffer_y - text_view->priv->yoffset;
3514 gtk_widget_get_preferred_size (vc->widget, &req, NULL);
3515 allocation->width = req.width;
3516 allocation->height = req.height;
3520 gtk_text_view_update_child_allocation (GtkTextView *text_view,
3521 GtkTextViewChild *vc)
3523 GtkAllocation allocation;
3525 gtk_text_view_compute_child_allocation (text_view, vc, &allocation);
3527 gtk_widget_size_allocate (vc->widget, &allocation);
3530 g_print ("allocation for %p allocated to %d,%d yoffset = %d\n",
3532 vc->widget->allocation.x,
3533 vc->widget->allocation.y,
3534 text_view->priv->yoffset);
3539 gtk_text_view_child_allocated (GtkTextLayout *layout,
3545 GtkTextViewChild *vc = NULL;
3546 GtkTextView *text_view = data;
3548 /* x,y is the position of the child from the top of the line, and
3549 * from the left of the buffer. We have to translate that into text
3550 * window coordinates, then size_allocate the child.
3553 vc = g_object_get_data (G_OBJECT (child),
3554 "gtk-text-view-child");
3556 g_assert (vc != NULL);
3558 DV (g_print ("child allocated at %d,%d\n", x, y));
3560 vc->from_left_of_buffer = x;
3561 vc->from_top_of_line = y;
3563 gtk_text_view_update_child_allocation (text_view, vc);
3567 gtk_text_view_allocate_children (GtkTextView *text_view)
3571 DV(g_print(G_STRLOC"\n"));
3573 tmp_list = text_view->priv->children;
3574 while (tmp_list != NULL)
3576 GtkTextViewChild *child = tmp_list->data;
3578 g_assert (child != NULL);
3582 /* We need to force-validate the regions containing
3585 GtkTextIter child_loc;
3586 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
3590 /* Since anchored children are only ever allocated from
3591 * gtk_text_layout_get_line_display() we have to make sure
3592 * that the display line caching in the layout doesn't
3593 * get in the way. Invalidating the layout around the anchor
3596 if (_gtk_widget_get_alloc_needed (child->widget))
3598 GtkTextIter end = child_loc;
3599 gtk_text_iter_forward_char (&end);
3600 gtk_text_layout_invalidate (text_view->priv->layout, &child_loc, &end);
3603 gtk_text_layout_validate_yrange (text_view->priv->layout,
3609 GtkAllocation allocation;
3610 GtkRequisition child_req;
3612 allocation.x = child->x;
3613 allocation.y = child->y;
3615 gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
3617 allocation.width = child_req.width;
3618 allocation.height = child_req.height;
3620 gtk_widget_size_allocate (child->widget, &allocation);
3623 tmp_list = g_slist_next (tmp_list);
3628 gtk_text_view_size_allocate (GtkWidget *widget,
3629 GtkAllocation *allocation)
3631 GtkAllocation widget_allocation;
3632 GtkTextView *text_view;
3633 GtkTextViewPrivate *priv;
3635 GdkRectangle text_rect;
3636 GdkRectangle left_rect;
3637 GdkRectangle right_rect;
3638 GdkRectangle top_rect;
3639 GdkRectangle bottom_rect;
3640 gint focus_edge_width;
3643 gboolean interior_focus;
3644 gboolean size_changed;
3646 text_view = GTK_TEXT_VIEW (widget);
3647 priv = text_view->priv;
3649 DV(g_print(G_STRLOC"\n"));
3651 gtk_widget_get_allocation (widget, &widget_allocation);
3653 widget_allocation.width != allocation->width ||
3654 widget_allocation.height != allocation->height;
3656 border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
3658 gtk_widget_set_allocation (widget, allocation);
3660 if (gtk_widget_get_realized (widget))
3662 gdk_window_move_resize (gtk_widget_get_window (widget),
3663 allocation->x, allocation->y,
3664 allocation->width, allocation->height);
3667 /* distribute width/height among child windows. Ensure all
3668 * windows get at least a 1x1 allocation.
3671 gtk_widget_style_get (widget,
3672 "interior-focus", &interior_focus,
3673 "focus-line-width", &focus_width,
3677 focus_edge_width = 0;
3679 focus_edge_width = focus_width;
3681 width = allocation->width - focus_edge_width * 2 - border_width * 2;
3683 if (priv->left_window)
3684 left_rect.width = priv->left_window->requisition.width;
3686 left_rect.width = 0;
3688 width -= left_rect.width;
3690 if (priv->right_window)
3691 right_rect.width = priv->right_window->requisition.width;
3693 right_rect.width = 0;
3695 width -= right_rect.width;
3697 text_rect.width = MAX (1, width);
3699 top_rect.width = text_rect.width;
3700 bottom_rect.width = text_rect.width;
3703 height = allocation->height - focus_edge_width * 2 - border_width * 2;
3705 if (priv->top_window)
3706 top_rect.height = priv->top_window->requisition.height;
3708 top_rect.height = 0;
3710 height -= top_rect.height;
3712 if (priv->bottom_window)
3713 bottom_rect.height = priv->bottom_window->requisition.height;
3715 bottom_rect.height = 0;
3717 height -= bottom_rect.height;
3719 text_rect.height = MAX (1, height);
3721 left_rect.height = text_rect.height;
3722 right_rect.height = text_rect.height;
3725 left_rect.x = focus_edge_width + border_width;
3726 top_rect.y = focus_edge_width + border_width;
3728 text_rect.x = left_rect.x + left_rect.width;
3729 text_rect.y = top_rect.y + top_rect.height;
3731 left_rect.y = text_rect.y;
3732 right_rect.y = text_rect.y;
3734 top_rect.x = text_rect.x;
3735 bottom_rect.x = text_rect.x;
3737 right_rect.x = text_rect.x + text_rect.width;
3738 bottom_rect.y = text_rect.y + text_rect.height;
3740 text_window_size_allocate (priv->text_window,
3743 if (priv->left_window)
3744 text_window_size_allocate (priv->left_window,
3747 if (priv->right_window)
3748 text_window_size_allocate (priv->right_window,
3751 if (priv->top_window)
3752 text_window_size_allocate (priv->top_window,
3755 if (priv->bottom_window)
3756 text_window_size_allocate (priv->bottom_window,
3759 gtk_text_view_update_layout_width (text_view);
3761 /* Note that this will do some layout validation */
3762 gtk_text_view_allocate_children (text_view);
3764 /* Update adjustments */
3765 gtk_text_view_set_hadjustment_values (text_view);
3766 gtk_text_view_set_vadjustment_values (text_view);
3768 /* The GTK resize loop processes all the pending exposes right
3769 * after doing the resize stuff, so the idle sizer won't have a
3770 * chance to run. So we do the work here.
3772 gtk_text_view_flush_first_validate (text_view);
3774 /* widget->window doesn't get auto-redrawn as the layout is computed, so has to
3777 if (size_changed && gtk_widget_get_realized (widget))
3778 gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
3782 gtk_text_view_get_first_para_iter (GtkTextView *text_view,
3785 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), iter,
3786 text_view->priv->first_para_mark);
3790 gtk_text_view_validate_onscreen (GtkTextView *text_view)
3793 GtkTextViewPrivate *priv;
3795 widget = GTK_WIDGET (text_view);
3796 priv = text_view->priv;
3798 DV(g_print(">Validating onscreen ("G_STRLOC")\n"));
3800 if (SCREEN_HEIGHT (widget) > 0)
3802 GtkTextIter first_para;
3804 /* Be sure we've validated the stuff onscreen; if we
3805 * scrolled, these calls won't have any effect, because
3806 * they were called in the recursive validate_onscreen
3808 gtk_text_view_get_first_para_iter (text_view, &first_para);
3810 gtk_text_layout_validate_yrange (priv->layout,
3813 priv->first_para_pixels +
3814 SCREEN_HEIGHT (widget));
3817 priv->onscreen_validated = TRUE;
3819 DV(g_print(">Done validating onscreen, onscreen_validated = TRUE ("G_STRLOC")\n"));
3821 /* This can have the odd side effect of triggering a scroll, which should
3822 * flip "onscreen_validated" back to FALSE, but should also get us
3823 * back into this function to turn it on again.
3825 gtk_text_view_update_adjustments (text_view);
3827 g_assert (priv->onscreen_validated);
3831 gtk_text_view_flush_first_validate (GtkTextView *text_view)
3833 GtkTextViewPrivate *priv = text_view->priv;
3835 if (priv->first_validate_idle == 0)
3838 /* Do this first, which means that if an "invalidate"
3839 * occurs during any of this process, a new first_validate_callback
3840 * will be installed, and we'll start again.
3842 DV (g_print ("removing first validate in %s\n", G_STRLOC));
3843 g_source_remove (priv->first_validate_idle);
3844 priv->first_validate_idle = 0;
3846 /* be sure we have up-to-date screen size set on the
3849 gtk_text_view_update_layout_width (text_view);
3851 /* Bail out if we invalidated stuff; scrolling right away will just
3852 * confuse the issue.
3854 if (priv->first_validate_idle != 0)
3856 DV(g_print(">Width change forced requeue ("G_STRLOC")\n"));
3860 /* scroll to any marks, if that's pending. This can jump us to
3861 * the validation codepath used for scrolling onscreen, if so we
3862 * bail out. It won't jump if already in that codepath since
3863 * value_changed is not recursive, so also validate if
3866 if (!gtk_text_view_flush_scroll (text_view) ||
3867 !priv->onscreen_validated)
3868 gtk_text_view_validate_onscreen (text_view);
3870 DV(g_print(">Leaving first validate idle ("G_STRLOC")\n"));
3872 g_assert (priv->onscreen_validated);
3877 first_validate_callback (gpointer data)
3879 GtkTextView *text_view = data;
3881 /* Note that some of this code is duplicated at the end of size_allocate,
3882 * keep in sync with that.
3885 DV(g_print(G_STRLOC"\n"));
3887 gtk_text_view_flush_first_validate (text_view);
3893 incremental_validate_callback (gpointer data)
3895 GtkTextView *text_view = data;
3896 gboolean result = TRUE;
3898 DV(g_print(G_STRLOC"\n"));
3900 gtk_text_layout_validate (text_view->priv->layout, 2000);
3902 gtk_text_view_update_adjustments (text_view);
3904 if (gtk_text_layout_is_valid (text_view->priv->layout))
3906 text_view->priv->incremental_validate_idle = 0;
3914 gtk_text_view_invalidate (GtkTextView *text_view)
3916 GtkTextViewPrivate *priv = text_view->priv;
3918 DV (g_print (">Invalidate, onscreen_validated = %d now FALSE ("G_STRLOC")\n",
3919 priv->onscreen_validated));
3921 priv->onscreen_validated = FALSE;
3923 /* We'll invalidate when the layout is created */
3924 if (priv->layout == NULL)
3927 if (!priv->first_validate_idle)
3929 priv->first_validate_idle = gdk_threads_add_idle_full (GTK_PRIORITY_RESIZE - 2, first_validate_callback, text_view, NULL);
3930 DV (g_print (G_STRLOC": adding first validate idle %d\n",
3931 priv->first_validate_idle));
3934 if (!priv->incremental_validate_idle)
3936 priv->incremental_validate_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE, incremental_validate_callback, text_view, NULL);
3937 DV (g_print (G_STRLOC": adding incremental validate idle %d\n",
3938 priv->incremental_validate_idle));
3943 invalidated_handler (GtkTextLayout *layout,
3946 GtkTextView *text_view;
3948 text_view = GTK_TEXT_VIEW (data);
3950 DV (g_print ("Invalidating due to layout invalidate signal\n"));
3951 gtk_text_view_invalidate (text_view);
3955 changed_handler (GtkTextLayout *layout,
3961 GtkTextView *text_view;
3962 GtkTextViewPrivate *priv;
3964 GdkRectangle visible_rect;
3965 GdkRectangle redraw_rect;
3967 text_view = GTK_TEXT_VIEW (data);
3968 priv = text_view->priv;
3969 widget = GTK_WIDGET (data);
3971 DV(g_print(">Lines Validated ("G_STRLOC")\n"));
3973 if (gtk_widget_get_realized (widget))
3975 gtk_text_view_get_visible_rect (text_view, &visible_rect);
3977 redraw_rect.x = visible_rect.x;
3978 redraw_rect.width = visible_rect.width;
3979 redraw_rect.y = start_y;
3981 if (old_height == new_height)
3982 redraw_rect.height = old_height;
3983 else if (start_y + old_height > visible_rect.y)
3984 redraw_rect.height = MAX (0, visible_rect.y + visible_rect.height - start_y);
3986 redraw_rect.height = 0;
3988 if (gdk_rectangle_intersect (&redraw_rect, &visible_rect, &redraw_rect))
3990 /* text_window_invalidate_rect() takes buffer coordinates */
3991 text_window_invalidate_rect (priv->text_window,
3994 DV(g_print(" invalidated rect: %d,%d %d x %d\n",
3998 redraw_rect.height));
4000 if (priv->left_window)
4001 text_window_invalidate_rect (priv->left_window,
4003 if (priv->right_window)
4004 text_window_invalidate_rect (priv->right_window,
4006 if (priv->top_window)
4007 text_window_invalidate_rect (priv->top_window,
4009 if (priv->bottom_window)
4010 text_window_invalidate_rect (priv->bottom_window,
4013 queue_update_im_spot_location (text_view);
4017 if (old_height != new_height)
4020 int new_first_para_top;
4021 int old_first_para_top;
4024 /* If the bottom of the old area was above the top of the
4025 * screen, we need to scroll to keep the current top of the
4026 * screen in place. Remember that first_para_pixels is the
4027 * position of the top of the screen in coordinates relative to
4028 * the first paragraph onscreen.
4030 * In short we are adding the height delta of the portion of the
4031 * changed region above first_para_mark to priv->yoffset.
4033 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &first,
4034 priv->first_para_mark);
4036 gtk_text_layout_get_line_yrange (layout, &first, &new_first_para_top, NULL);
4038 old_first_para_top = priv->yoffset - priv->first_para_pixels;
4040 if (new_first_para_top != old_first_para_top)
4042 priv->yoffset += new_first_para_top - old_first_para_top;
4044 gtk_adjustment_set_value (text_view->priv->vadjustment, priv->yoffset);
4047 /* FIXME be smarter about which anchored widgets we update */
4049 tmp_list = priv->children;
4050 while (tmp_list != NULL)
4052 GtkTextViewChild *child = tmp_list->data;
4055 gtk_text_view_update_child_allocation (text_view, child);
4057 tmp_list = g_slist_next (tmp_list);
4062 GtkRequisition old_req = priv->cached_size_request;
4063 GtkRequisition new_req;
4065 /* Use this instead of gtk_widget_size_request wrapper
4066 * to avoid the optimization which just returns widget->requisition
4067 * if a resize hasn't been queued.
4069 gtk_text_view_size_request (widget, &new_req);
4071 if (old_req.width != new_req.width ||
4072 old_req.height != new_req.height)
4074 gtk_widget_queue_resize_no_redraw (widget);
4080 gtk_text_view_realize (GtkWidget *widget)
4082 GtkAllocation allocation;
4083 GtkTextView *text_view;
4084 GtkTextViewPrivate *priv;
4085 GtkStyleContext *context;
4087 GdkWindowAttr attributes;
4088 gint attributes_mask;
4091 text_view = GTK_TEXT_VIEW (widget);
4092 priv = text_view->priv;
4094 gtk_widget_set_realized (widget, TRUE);
4096 gtk_widget_get_allocation (widget, &allocation);
4098 attributes.window_type = GDK_WINDOW_CHILD;
4099 attributes.x = allocation.x;
4100 attributes.y = allocation.y;
4101 attributes.width = allocation.width;
4102 attributes.height = allocation.height;
4103 attributes.wclass = GDK_INPUT_OUTPUT;
4104 attributes.visual = gtk_widget_get_visual (widget);
4105 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK;
4107 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
4109 window = gdk_window_new (gtk_widget_get_parent_window (widget),
4110 &attributes, attributes_mask);
4111 gtk_widget_set_window (widget, window);
4112 gtk_widget_register_window (widget, window);
4114 context = gtk_widget_get_style_context (widget);
4116 gtk_style_context_save (context);
4117 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
4118 gtk_style_context_set_background (context, window);
4119 gtk_style_context_restore (context);
4121 text_window_realize (priv->text_window, widget);
4123 if (priv->left_window)
4124 text_window_realize (priv->left_window, widget);
4126 if (priv->top_window)
4127 text_window_realize (priv->top_window, widget);
4129 if (priv->right_window)
4130 text_window_realize (priv->right_window, widget);
4132 if (priv->bottom_window)
4133 text_window_realize (priv->bottom_window, widget);
4135 gtk_text_view_ensure_layout (text_view);
4136 gtk_text_view_invalidate (text_view);
4140 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
4141 GDK_SELECTION_PRIMARY);
4142 gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
4145 tmp_list = priv->children;
4146 while (tmp_list != NULL)
4148 GtkTextViewChild *vc = tmp_list->data;
4150 text_view_child_set_parent_window (text_view, vc);
4152 tmp_list = tmp_list->next;
4155 /* Ensure updating the spot location. */
4156 gtk_text_view_update_im_spot_location (text_view);
4158 _gtk_text_handle_set_relative_to (priv->text_handle, priv->text_window->window);
4162 gtk_text_view_unrealize (GtkWidget *widget)
4164 GtkTextView *text_view;
4165 GtkTextViewPrivate *priv;
4167 text_view = GTK_TEXT_VIEW (widget);
4168 priv = text_view->priv;
4172 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
4173 GDK_SELECTION_PRIMARY);
4174 gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
4177 gtk_text_view_remove_validate_idles (text_view);
4179 if (priv->popup_menu)
4181 gtk_widget_destroy (priv->popup_menu);
4182 priv->popup_menu = NULL;
4185 text_window_unrealize (priv->text_window);
4187 if (priv->left_window)
4188 text_window_unrealize (priv->left_window);
4190 if (priv->top_window)
4191 text_window_unrealize (priv->top_window);
4193 if (priv->right_window)
4194 text_window_unrealize (priv->right_window);
4196 if (priv->bottom_window)
4197 text_window_unrealize (priv->bottom_window);
4199 _gtk_text_handle_set_relative_to (priv->text_handle, NULL);
4201 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->unrealize (widget);
4205 gtk_text_view_set_background (GtkTextView *text_view)
4207 GtkStyleContext *context;
4208 GtkStateFlags state;
4210 GtkTextViewPrivate *priv;
4213 widget = GTK_WIDGET (text_view);
4214 priv = text_view->priv;
4216 context = gtk_widget_get_style_context (widget);
4217 state = gtk_widget_get_state_flags (widget);
4219 /* Set bin window background */
4220 gtk_style_context_save (context);
4221 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
4223 gtk_style_context_set_background (context, priv->text_window->bin_window);
4224 gtk_style_context_set_background (context, gtk_widget_get_window (widget));
4226 gtk_style_context_restore (context);
4228 /* Set lateral panes background */
4229 gtk_style_context_get_background_color (context, state, &color);
4231 if (priv->left_window)
4232 gdk_window_set_background_rgba (priv->left_window->bin_window, &color);
4234 if (priv->right_window)
4235 gdk_window_set_background_rgba (priv->right_window->bin_window, &color);
4237 if (priv->top_window)
4238 gdk_window_set_background_rgba (priv->top_window->bin_window, &color);
4240 if (priv->bottom_window)
4241 gdk_window_set_background_rgba (priv->bottom_window->bin_window, &color);
4245 gtk_text_view_style_updated (GtkWidget *widget)
4247 GtkTextView *text_view;
4248 GtkTextViewPrivate *priv;
4249 PangoContext *ltr_context, *rtl_context;
4250 GtkStyleContext *style_context;
4251 const GtkBitmask *changes;
4253 text_view = GTK_TEXT_VIEW (widget);
4254 priv = text_view->priv;
4256 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->style_updated (widget);
4258 if (gtk_widget_get_realized (widget))
4260 gtk_text_view_set_background (text_view);
4264 style_context = gtk_widget_get_style_context (widget);
4265 changes = _gtk_style_context_get_changes (style_context);
4266 if ((changes == NULL || _gtk_css_style_property_changes_affect_font (changes)) &&
4267 priv->layout && priv->layout->default_style)
4269 gtk_text_view_set_attributes_from_style (text_view,
4270 priv->layout->default_style);
4272 ltr_context = gtk_widget_create_pango_context (widget);
4273 pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
4274 rtl_context = gtk_widget_create_pango_context (widget);
4275 pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
4277 gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
4279 g_object_unref (ltr_context);
4280 g_object_unref (rtl_context);
4285 gtk_text_view_direction_changed (GtkWidget *widget,
4286 GtkTextDirection previous_direction)
4288 GtkTextViewPrivate *priv = GTK_TEXT_VIEW (widget)->priv;
4290 if (priv->layout && priv->layout->default_style)
4292 priv->layout->default_style->direction = gtk_widget_get_direction (widget);
4294 gtk_text_layout_default_style_changed (priv->layout);
4299 gtk_text_view_state_flags_changed (GtkWidget *widget,
4300 GtkStateFlags previous_state)
4302 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
4305 if (gtk_widget_get_realized (widget))
4307 gtk_text_view_set_background (text_view);
4309 if (gtk_widget_is_sensitive (widget))
4310 cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget), GDK_XTERM);
4314 gdk_window_set_cursor (text_view->priv->text_window->bin_window, cursor);
4317 g_object_unref (cursor);
4319 text_view->priv->mouse_cursor_obscured = FALSE;
4322 if (!gtk_widget_is_sensitive (widget))
4324 /* Clear any selection */
4325 gtk_text_view_unselect (text_view);
4328 gtk_widget_queue_draw (widget);
4332 set_invisible_cursor (GdkWindow *window)
4334 GdkDisplay *display;
4337 display = gdk_window_get_display (window);
4338 cursor = gdk_cursor_new_for_display (display, GDK_BLANK_CURSOR);
4340 gdk_window_set_cursor (window, cursor);
4342 g_object_unref (cursor);
4346 gtk_text_view_obscure_mouse_cursor (GtkTextView *text_view)
4348 if (text_view->priv->mouse_cursor_obscured)
4351 set_invisible_cursor (text_view->priv->text_window->bin_window);
4353 text_view->priv->mouse_cursor_obscured = TRUE;
4357 gtk_text_view_unobscure_mouse_cursor (GtkTextView *text_view)
4359 if (text_view->priv->mouse_cursor_obscured)
4363 cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)),
4365 gdk_window_set_cursor (text_view->priv->text_window->bin_window, cursor);
4366 g_object_unref (cursor);
4367 text_view->priv->mouse_cursor_obscured = FALSE;
4372 gtk_text_view_grab_notify (GtkWidget *widget,
4373 gboolean was_grabbed)
4375 GtkTextViewPrivate *priv;
4377 priv = GTK_TEXT_VIEW (widget)->priv;
4379 if (priv->grab_device &&
4380 gtk_widget_device_is_shadowed (widget, priv->grab_device))
4382 if (priv->drag_start_x >= 0)
4384 priv->drag_start_x = -1;
4385 priv->drag_start_y = -1;
4388 gtk_text_view_end_selection_drag (GTK_TEXT_VIEW (widget));
4389 gtk_text_view_unobscure_mouse_cursor (GTK_TEXT_VIEW (widget));
4390 priv->grab_device = NULL;
4400 get_event_coordinates (GdkEvent *event, gint *x, gint *y)
4403 switch (event->type)
4405 case GDK_MOTION_NOTIFY:
4406 *x = event->motion.x;
4407 *y = event->motion.y;
4411 case GDK_BUTTON_PRESS:
4412 case GDK_2BUTTON_PRESS:
4413 case GDK_3BUTTON_PRESS:
4414 case GDK_BUTTON_RELEASE:
4415 *x = event->button.x;
4416 *y = event->button.y;
4421 case GDK_KEY_RELEASE:
4422 case GDK_ENTER_NOTIFY:
4423 case GDK_LEAVE_NOTIFY:
4424 case GDK_PROPERTY_NOTIFY:
4425 case GDK_SELECTION_CLEAR:
4426 case GDK_SELECTION_REQUEST:
4427 case GDK_SELECTION_NOTIFY:
4428 case GDK_PROXIMITY_IN:
4429 case GDK_PROXIMITY_OUT:
4430 case GDK_DRAG_ENTER:
4431 case GDK_DRAG_LEAVE:
4432 case GDK_DRAG_MOTION:
4433 case GDK_DRAG_STATUS:
4434 case GDK_DROP_START:
4435 case GDK_DROP_FINISHED:
4445 emit_event_on_tags (GtkWidget *widget,
4451 gboolean retval = FALSE;
4453 tags = gtk_text_iter_get_tags (iter);
4458 GtkTextTag *tag = tmp->data;
4460 if (gtk_text_tag_event (tag, G_OBJECT (widget), event, iter))
4466 tmp = g_slist_next (tmp);
4469 g_slist_free (tags);
4475 gtk_text_view_set_handle_position (GtkTextView *text_view,
4477 GtkTextHandlePosition pos)
4479 GtkTextViewPrivate *priv;
4483 priv = text_view->priv;
4484 gtk_text_view_get_cursor_locations (text_view, iter, &rect, NULL);
4486 x = rect.x - priv->xoffset;
4487 y = rect.y - priv->yoffset;
4489 if (!_gtk_text_handle_get_is_dragged (priv->text_handle, pos) &&
4490 (x < 0 || x > SCREEN_WIDTH (text_view) ||
4491 y < 0 || y > SCREEN_HEIGHT (text_view)))
4493 /* Hide the handle if it's not being manipulated
4494 * and fell outside of the visible text area.
4496 _gtk_text_handle_set_visible (priv->text_handle, pos, FALSE);
4500 _gtk_text_handle_set_visible (priv->text_handle, pos, TRUE);
4502 rect.x = CLAMP (x, 0, SCREEN_WIDTH (text_view));
4503 rect.y = CLAMP (y, 0, SCREEN_HEIGHT (text_view));
4504 _gtk_text_handle_set_position (priv->text_handle, pos, &rect);
4509 gtk_text_view_handle_dragged (GtkTextHandle *handle,
4510 GtkTextHandlePosition pos,
4513 GtkTextView *text_view)
4515 GtkTextViewPrivate *priv;
4516 GtkTextIter old_cursor, old_bound;
4517 GtkTextIter cursor, bound, iter;
4518 GtkTextIter *min, *max;
4519 GtkTextHandleMode mode;
4520 GtkTextBuffer *buffer;
4521 GtkTextHandlePosition cursor_pos;
4523 priv = text_view->priv;
4524 buffer = get_buffer (text_view);
4525 mode = _gtk_text_handle_get_mode (handle);
4527 gtk_text_view_selection_bubble_popup_unset (text_view);
4528 gtk_text_layout_get_iter_at_pixel (priv->layout, &iter,
4531 gtk_text_buffer_get_iter_at_mark (buffer, &old_cursor,
4532 gtk_text_buffer_get_insert (buffer));
4533 gtk_text_buffer_get_iter_at_mark (buffer, &old_bound,
4534 gtk_text_buffer_get_selection_bound (buffer));
4535 cursor = old_cursor;
4538 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR ||
4539 gtk_text_iter_compare (&cursor, &bound) >= 0)
4541 cursor_pos = GTK_TEXT_HANDLE_POSITION_CURSOR;
4547 cursor_pos = GTK_TEXT_HANDLE_POSITION_SELECTION_START;
4552 if (pos == GTK_TEXT_HANDLE_POSITION_SELECTION_END)
4554 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4555 gtk_text_iter_compare (&iter, min) <= 0)
4558 gtk_text_iter_forward_char (&iter);
4562 gtk_text_view_set_handle_position (text_view, &iter, pos);
4566 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4567 gtk_text_iter_compare (&iter, max) >= 0)
4570 gtk_text_iter_backward_char (&iter);
4574 gtk_text_view_set_handle_position (text_view, &iter, pos);
4577 if (gtk_text_iter_compare (&old_cursor, &cursor) != 0 ||
4578 gtk_text_iter_compare (&old_bound, &bound) != 0)
4580 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR)
4581 gtk_text_buffer_place_cursor (buffer, &cursor);
4583 gtk_text_buffer_select_range (buffer, &cursor, &bound);
4585 if (_gtk_text_handle_get_is_dragged (priv->text_handle, cursor_pos))
4586 gtk_text_view_scroll_mark_onscreen (text_view,
4587 gtk_text_buffer_get_insert (buffer));
4589 gtk_text_view_scroll_mark_onscreen (text_view,
4590 gtk_text_buffer_get_selection_bound (buffer));
4595 gtk_text_view_handle_drag_finished (GtkTextHandle *handle,
4596 GtkTextHandlePosition pos,
4597 GtkTextView *text_view)
4599 gtk_text_view_selection_bubble_popup_set (text_view);
4603 gtk_text_view_update_handles (GtkTextView *text_view,
4604 GtkTextHandleMode mode)
4606 GtkTextViewPrivate *priv = text_view->priv;
4607 GtkTextIter cursor, bound, min, max;
4608 GtkTextBuffer *buffer;
4610 buffer = get_buffer (text_view);
4612 gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
4613 gtk_text_buffer_get_insert (buffer));
4614 gtk_text_buffer_get_iter_at_mark (buffer, &bound,
4615 gtk_text_buffer_get_selection_bound (buffer));
4617 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4618 gtk_text_iter_compare (&cursor, &bound) == 0)
4620 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
4623 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR &&
4624 (!gtk_widget_is_sensitive (GTK_WIDGET (text_view)) || !priv->cursor_visible))
4626 mode = GTK_TEXT_HANDLE_MODE_NONE;
4629 _gtk_text_handle_set_mode (priv->text_handle, mode);
4631 if (gtk_text_iter_compare (&cursor, &bound) >= 0)
4642 if (mode != GTK_TEXT_HANDLE_MODE_NONE)
4643 gtk_text_view_set_handle_position (text_view, &max,
4644 GTK_TEXT_HANDLE_POSITION_SELECTION_END);
4646 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION)
4647 gtk_text_view_set_handle_position (text_view, &min,
4648 GTK_TEXT_HANDLE_POSITION_SELECTION_START);
4652 gtk_text_view_event (GtkWidget *widget, GdkEvent *event)
4654 GtkTextView *text_view;
4655 GtkTextViewPrivate *priv;
4658 text_view = GTK_TEXT_VIEW (widget);
4659 priv = text_view->priv;
4661 if (priv->layout == NULL ||
4662 get_buffer (text_view) == NULL)
4665 if (event->any.window != priv->text_window->bin_window)
4668 if (get_event_coordinates (event, &x, &y))
4675 /* FIXME this is slow and we do it twice per event.
4676 * My favorite solution is to have GtkTextLayout cache
4677 * the last couple lookups.
4679 gtk_text_layout_get_iter_at_pixel (priv->layout,
4683 return emit_event_on_tags (widget, event, &iter);
4685 else if (event->type == GDK_KEY_PRESS ||
4686 event->type == GDK_KEY_RELEASE)
4690 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter,
4691 gtk_text_buffer_get_insert (get_buffer (text_view)));
4693 return emit_event_on_tags (widget, event, &iter);
4700 gtk_text_view_key_press_event (GtkWidget *widget, GdkEventKey *event)
4702 GtkTextView *text_view;
4703 GtkTextViewPrivate *priv;
4704 GtkTextMark *insert;
4706 gboolean can_insert;
4707 gboolean retval = FALSE;
4708 gboolean obscure = FALSE;
4710 text_view = GTK_TEXT_VIEW (widget);
4711 priv = text_view->priv;
4713 if (priv->layout == NULL ||
4714 get_buffer (text_view) == NULL)
4717 /* Make sure input method knows where it is */
4718 flush_update_im_spot_location (text_view);
4720 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
4721 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
4722 can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
4723 if (gtk_im_context_filter_keypress (priv->im_context, event))
4725 priv->need_im_reset = TRUE;
4727 gtk_text_view_reset_im_context (text_view);
4728 obscure = can_insert;
4732 else if (GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_press_event (widget, event))
4736 /* use overall editability not can_insert, more predictable for users */
4737 else if (priv->editable &&
4738 (event->keyval == GDK_KEY_Return ||
4739 event->keyval == GDK_KEY_ISO_Enter ||
4740 event->keyval == GDK_KEY_KP_Enter))
4742 /* this won't actually insert the newline if the cursor isn't
4745 gtk_text_view_reset_im_context (text_view);
4746 gtk_text_view_commit_text (text_view, "\n");
4751 /* Pass through Tab as literal tab, unless Control is held down */
4752 else if ((event->keyval == GDK_KEY_Tab ||
4753 event->keyval == GDK_KEY_KP_Tab ||
4754 event->keyval == GDK_KEY_ISO_Left_Tab) &&
4755 !(event->state & GDK_CONTROL_MASK))
4757 /* If the text widget isn't editable overall, or if the application
4758 * has turned off "accepts_tab", move the focus instead
4760 if (priv->accepts_tab && priv->editable)
4762 gtk_text_view_reset_im_context (text_view);
4763 gtk_text_view_commit_text (text_view, "\t");
4767 g_signal_emit_by_name (text_view, "move-focus",
4768 (event->state & GDK_SHIFT_MASK) ?
4769 GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD);
4777 gtk_text_view_obscure_mouse_cursor (text_view);
4779 gtk_text_view_reset_blink_time (text_view);
4780 gtk_text_view_pend_cursor_blink (text_view);
4782 if (!event->send_event)
4783 _gtk_text_handle_set_mode (priv->text_handle,
4784 GTK_TEXT_HANDLE_MODE_NONE);
4786 gtk_text_view_selection_bubble_popup_unset (text_view);
4792 gtk_text_view_key_release_event (GtkWidget *widget, GdkEventKey *event)
4794 GtkTextView *text_view;
4795 GtkTextViewPrivate *priv;
4796 GtkTextMark *insert;
4799 text_view = GTK_TEXT_VIEW (widget);
4800 priv = text_view->priv;
4802 if (priv->layout == NULL || get_buffer (text_view) == NULL)
4805 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
4806 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
4807 if (gtk_text_iter_can_insert (&iter, priv->editable) &&
4808 gtk_im_context_filter_keypress (priv->im_context, event))
4810 priv->need_im_reset = TRUE;
4814 return GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_release_event (widget, event);
4818 gtk_text_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
4820 GtkTextView *text_view;
4821 GtkTextViewPrivate *priv;
4823 gboolean is_touchscreen;
4825 text_view = GTK_TEXT_VIEW (widget);
4826 priv = text_view->priv;
4828 gtk_widget_grab_focus (widget);
4830 if (event->window != priv->text_window->bin_window)
4832 /* Remove selection if any. */
4833 gtk_text_view_unselect (text_view);
4837 gtk_text_view_reset_blink_time (text_view);
4838 gtk_text_view_selection_bubble_popup_unset (text_view);
4842 if (event->button == GDK_BUTTON_SECONDARY && (event->state & GDK_CONTROL_MASK) != 0)
4843 _gtk_text_buffer_spew (GTK_TEXT_VIEW (widget)->buffer);
4844 else if (event->button == GDK_BUTTON_SECONDARY)
4845 gtk_text_layout_spew (GTK_TEXT_VIEW (widget)->layout);
4848 device = gdk_event_get_source_device ((GdkEvent *) event);
4849 is_touchscreen = test_touchscreen ||
4850 gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN;
4852 if (event->type == GDK_BUTTON_PRESS)
4854 gtk_text_view_reset_im_context (text_view);
4856 if (gdk_event_triggers_context_menu ((GdkEvent *) event))
4858 gtk_text_view_do_popup (text_view, event);
4861 else if (event->button == GDK_BUTTON_PRIMARY)
4863 /* If we're in the selection, start a drag copy/move of the
4864 * selection; otherwise, start creating a new selection.
4867 GtkTextIter start, end;
4869 gtk_text_layout_get_iter_at_pixel (priv->layout,
4871 event->x + priv->xoffset,
4872 event->y + priv->yoffset);
4874 if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
4876 gtk_text_iter_in_range (&iter, &start, &end) &&
4878 gtk_widget_get_modifier_mask (widget,
4879 GDK_MODIFIER_INTENT_EXTEND_SELECTION)))
4881 priv->grab_device = event->device;
4882 priv->drag_start_x = event->x;
4883 priv->drag_start_y = event->y;
4884 priv->pending_place_cursor_button = event->button;
4888 GtkTextHandleMode mode;
4890 gtk_text_view_start_selection_drag (text_view, &iter, event);
4892 if (gtk_widget_is_sensitive (widget) && is_touchscreen)
4893 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
4895 mode = GTK_TEXT_HANDLE_MODE_NONE;
4897 gtk_text_view_update_handles (text_view, mode);
4902 else if (event->button == GDK_BUTTON_MIDDLE &&
4903 get_middle_click_paste (text_view))
4907 /* We do not want to scroll back to the insert iter when we paste
4908 with the middle button */
4909 priv->scroll_after_paste = FALSE;
4911 gtk_text_layout_get_iter_at_pixel (priv->layout,
4913 event->x + priv->xoffset,
4914 event->y + priv->yoffset);
4916 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
4917 gtk_widget_get_clipboard (widget, GDK_SELECTION_PRIMARY),
4923 else if ((event->type == GDK_2BUTTON_PRESS ||
4924 event->type == GDK_3BUTTON_PRESS) &&
4925 event->button == GDK_BUTTON_PRIMARY)
4928 GtkTextHandleMode mode;
4930 gtk_text_view_end_selection_drag (text_view);
4932 gtk_text_layout_get_iter_at_pixel (priv->layout,
4934 event->x + priv->xoffset,
4935 event->y + priv->yoffset);
4937 gtk_text_view_start_selection_drag (text_view, &iter, event);
4939 if (gtk_widget_is_sensitive (widget) && is_touchscreen)
4940 mode = GTK_TEXT_HANDLE_MODE_SELECTION;
4942 mode = GTK_TEXT_HANDLE_MODE_NONE;
4944 gtk_text_view_update_handles (text_view, mode);
4952 gtk_text_view_button_release_event (GtkWidget *widget, GdkEventButton *event)
4954 GtkTextView *text_view;
4955 GtkTextViewPrivate *priv;
4958 text_view = GTK_TEXT_VIEW (widget);
4959 priv = text_view->priv;
4960 device = gdk_event_get_source_device ((GdkEvent *) event);
4962 if (event->window != priv->text_window->bin_window)
4965 if (event->button == GDK_BUTTON_PRIMARY)
4967 if (priv->drag_start_x >= 0)
4969 priv->drag_start_x = -1;
4970 priv->drag_start_y = -1;
4973 if (gtk_text_view_end_selection_drag (GTK_TEXT_VIEW (widget)))
4975 if (test_touchscreen ||
4976 gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN)
4977 gtk_text_view_selection_bubble_popup_set (text_view);
4980 else if (priv->pending_place_cursor_button == event->button)
4982 GtkTextHandleMode mode;
4985 /* Unselect everything; we clicked inside selection, but
4986 * didn't move by the drag threshold, so just clear selection
4989 gtk_text_layout_get_iter_at_pixel (priv->layout,
4991 event->x + priv->xoffset,
4992 event->y + priv->yoffset);
4994 gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
4995 gtk_text_view_check_cursor_blink (text_view);
4997 if (gtk_widget_is_sensitive (widget) &&
4998 (test_touchscreen ||
4999 gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN))
5000 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
5002 mode = GTK_TEXT_HANDLE_MODE_NONE;
5004 gtk_text_view_update_handles (text_view, mode);
5005 priv->pending_place_cursor_button = 0;
5015 keymap_direction_changed (GdkKeymap *keymap,
5016 GtkTextView *text_view)
5018 gtk_text_view_check_keymap_direction (text_view);
5022 gtk_text_view_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
5024 GtkTextView *text_view;
5025 GtkTextViewPrivate *priv;
5027 text_view = GTK_TEXT_VIEW (widget);
5028 priv = text_view->priv;
5030 gtk_widget_queue_draw (widget);
5032 DV(g_print (G_STRLOC": focus_in_event\n"));
5034 gtk_text_view_reset_blink_time (text_view);
5036 if (priv->cursor_visible && priv->layout)
5038 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5039 gtk_text_view_check_cursor_blink (text_view);
5042 g_signal_connect (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
5043 "direction-changed",
5044 G_CALLBACK (keymap_direction_changed), text_view);
5045 gtk_text_view_check_keymap_direction (text_view);
5049 priv->need_im_reset = TRUE;
5050 gtk_im_context_focus_in (priv->im_context);
5057 gtk_text_view_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
5059 GtkTextView *text_view;
5060 GtkTextViewPrivate *priv;
5062 text_view = GTK_TEXT_VIEW (widget);
5063 priv = text_view->priv;
5065 gtk_text_view_end_selection_drag (text_view);
5067 gtk_widget_queue_draw (widget);
5069 DV(g_print (G_STRLOC": focus_out_event\n"));
5071 if (priv->cursor_visible && priv->layout)
5073 gtk_text_view_check_cursor_blink (text_view);
5074 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
5077 g_signal_handlers_disconnect_by_func (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
5078 keymap_direction_changed,
5080 gtk_text_view_selection_bubble_popup_unset (text_view);
5081 _gtk_text_handle_set_mode (priv->text_handle,
5082 GTK_TEXT_HANDLE_MODE_NONE);
5086 priv->need_im_reset = TRUE;
5087 gtk_im_context_focus_out (priv->im_context);
5094 gtk_text_view_motion_event (GtkWidget *widget, GdkEventMotion *event)
5096 GtkTextView *text_view;
5097 GtkTextViewPrivate *priv;
5099 text_view = GTK_TEXT_VIEW (widget);
5100 priv = text_view->priv;
5102 gtk_text_view_unobscure_mouse_cursor (text_view);
5104 if (event->window == priv->text_window->bin_window &&
5105 priv->drag_start_x >= 0)
5110 gdk_event_request_motions (event);
5112 if (gtk_drag_check_threshold (widget,
5118 gint buffer_x, buffer_y;
5120 gtk_text_view_window_to_buffer_coords (text_view,
5121 GTK_TEXT_WINDOW_TEXT,
5127 gtk_text_layout_get_iter_at_pixel (priv->layout,
5129 buffer_x, buffer_y);
5131 gtk_text_view_start_selection_dnd (text_view, &iter, event);
5140 gtk_text_view_paint (GtkWidget *widget,
5143 GtkTextView *text_view;
5144 GtkTextViewPrivate *priv;
5146 text_view = GTK_TEXT_VIEW (widget);
5147 priv = text_view->priv;
5149 g_return_if_fail (priv->layout != NULL);
5150 g_return_if_fail (priv->xoffset >= 0);
5151 g_return_if_fail (priv->yoffset >= 0);
5153 while (priv->first_validate_idle != 0)
5155 DV (g_print (G_STRLOC": first_validate_idle: %d\n",
5156 priv->first_validate_idle));
5157 gtk_text_view_flush_first_validate (text_view);
5160 if (!priv->onscreen_validated)
5162 g_warning (G_STRLOC ": somehow some text lines were modified or scrolling occurred since the last validation of lines on the screen - may be a text widget bug.");
5163 g_assert_not_reached ();
5167 printf ("painting %d,%d %d x %d\n",
5169 area->width, area->height);
5173 cairo_translate (cr, -priv->xoffset, -priv->yoffset);
5175 gtk_text_layout_draw (priv->layout,
5184 gtk_text_view_draw (GtkWidget *widget,
5189 GtkStyleContext *context;
5191 context = gtk_widget_get_style_context (widget);
5193 if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
5195 gtk_style_context_save (context);
5196 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
5197 gtk_render_background (context, cr,
5199 gtk_widget_get_allocated_width (widget),
5200 gtk_widget_get_allocated_height (widget));
5201 gtk_style_context_restore (context);
5203 gtk_text_view_draw_focus (widget, cr);
5206 window = gtk_text_view_get_window (GTK_TEXT_VIEW (widget),
5207 GTK_TEXT_WINDOW_TEXT);
5208 if (gtk_cairo_should_draw_window (cr, window))
5210 DV(g_print (">Exposed ("G_STRLOC")\n"));
5212 gtk_cairo_transform_to_window (cr, widget, window);
5213 gtk_text_view_paint (widget, cr);
5217 /* Propagate exposes to all unanchored children.
5218 * Anchored children are handled in gtk_text_view_paint().
5220 tmp_list = GTK_TEXT_VIEW (widget)->priv->children;
5221 while (tmp_list != NULL)
5223 GtkTextViewChild *vc = tmp_list->data;
5225 /* propagate_draw checks that event->window matches
5228 gtk_container_propagate_draw (GTK_CONTAINER (widget),
5232 tmp_list = tmp_list->next;
5239 gtk_text_view_draw_focus (GtkWidget *widget,
5242 gboolean interior_focus;
5244 /* We clear the focus if we are in interior focus mode. */
5245 gtk_widget_style_get (widget,
5246 "interior-focus", &interior_focus,
5249 if (gtk_widget_has_visible_focus (widget) && !interior_focus)
5251 GtkStyleContext *context;
5253 context = gtk_widget_get_style_context (widget);
5255 gtk_render_focus (context, cr, 0, 0,
5256 gtk_widget_get_allocated_width (widget),
5257 gtk_widget_get_allocated_height (widget));
5262 gtk_text_view_focus (GtkWidget *widget,
5263 GtkDirectionType direction)
5265 GtkContainer *container;
5268 container = GTK_CONTAINER (widget);
5270 if (!gtk_widget_is_focus (widget) &&
5271 gtk_container_get_focus_child (container) == NULL)
5273 if (gtk_widget_get_can_focus (widget))
5275 gtk_widget_grab_focus (widget);
5285 * Unset CAN_FOCUS flag so that gtk_container_focus() allows
5286 * children to get the focus
5288 can_focus = gtk_widget_get_can_focus (widget);
5289 gtk_widget_set_can_focus (widget, FALSE);
5290 result = GTK_WIDGET_CLASS (gtk_text_view_parent_class)->focus (widget, direction);
5291 gtk_widget_set_can_focus (widget, can_focus);
5302 gtk_text_view_add (GtkContainer *container,
5305 /* This is pretty random. */
5306 gtk_text_view_add_child_in_window (GTK_TEXT_VIEW (container),
5308 GTK_TEXT_WINDOW_WIDGET,
5313 gtk_text_view_remove (GtkContainer *container,
5316 GtkTextView *text_view;
5317 GtkTextViewPrivate *priv;
5318 GtkTextViewChild *vc;
5321 text_view = GTK_TEXT_VIEW (container);
5322 priv = text_view->priv;
5325 iter = priv->children;
5327 while (iter != NULL)
5331 if (vc->widget == child)
5334 iter = g_slist_next (iter);
5337 g_assert (iter != NULL); /* be sure we had the child in the list */
5339 priv->children = g_slist_remove (priv->children, vc);
5341 gtk_widget_unparent (vc->widget);
5343 text_view_child_free (vc);
5347 gtk_text_view_forall (GtkContainer *container,
5348 gboolean include_internals,
5349 GtkCallback callback,
5350 gpointer callback_data)
5353 GtkTextView *text_view;
5356 g_return_if_fail (GTK_IS_TEXT_VIEW (container));
5357 g_return_if_fail (callback != NULL);
5359 text_view = GTK_TEXT_VIEW (container);
5361 copy = g_slist_copy (text_view->priv->children);
5364 while (iter != NULL)
5366 GtkTextViewChild *vc = iter->data;
5368 (* callback) (vc->widget, callback_data);
5370 iter = g_slist_next (iter);
5373 g_slist_free (copy);
5376 #define CURSOR_ON_MULTIPLIER 2
5377 #define CURSOR_OFF_MULTIPLIER 1
5378 #define CURSOR_PEND_MULTIPLIER 3
5379 #define CURSOR_DIVIDER 3
5382 cursor_blinks (GtkTextView *text_view)
5384 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5387 #ifdef DEBUG_VALIDATION_AND_SCROLLING
5390 if (gtk_get_debug_flags () & GTK_DEBUG_UPDATES)
5393 g_object_get (settings, "gtk-cursor-blink", &blink, NULL);
5398 if (text_view->priv->editable)
5400 GtkTextMark *insert;
5403 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
5404 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
5406 if (gtk_text_iter_editable (&iter, text_view->priv->editable))
5414 get_middle_click_paste (GtkTextView *text_view)
5416 GtkSettings *settings;
5419 settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5420 g_object_get (settings, "gtk-enable-primary-paste", &paste, NULL);
5426 get_cursor_time (GtkTextView *text_view)
5428 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5431 g_object_get (settings, "gtk-cursor-blink-time", &time, NULL);
5437 get_cursor_blink_timeout (GtkTextView *text_view)
5439 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5442 g_object_get (settings, "gtk-cursor-blink-timeout", &time, NULL);
5453 blink_cb (gpointer data)
5455 GtkTextView *text_view;
5456 GtkTextViewPrivate *priv;
5460 text_view = GTK_TEXT_VIEW (data);
5461 priv = text_view->priv;
5463 if (!gtk_widget_has_focus (GTK_WIDGET (text_view)))
5465 g_warning ("GtkTextView - did not receive focus-out-event. If you\n"
5466 "connect a handler to this signal, it must return\n"
5467 "FALSE so the text view gets the event as well");
5469 gtk_text_view_check_cursor_blink (text_view);
5474 g_assert (priv->layout);
5475 g_assert (priv->cursor_visible);
5477 visible = gtk_text_layout_get_cursor_visible (priv->layout);
5479 blink_timeout = get_cursor_blink_timeout (text_view);
5480 if (priv->blink_time > 1000 * blink_timeout &&
5481 blink_timeout < G_MAXINT/1000)
5483 /* we've blinked enough without the user doing anything, stop blinking */
5485 priv->blink_timeout = 0;
5488 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
5493 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_ON_MULTIPLIER / CURSOR_DIVIDER,
5496 priv->blink_time += get_cursor_time (text_view);
5499 /* Block changed_handler while changing the layout's cursor visibility
5500 * because it would expose the whole paragraph. Instead, we expose
5501 * the cursor's area(s) manually below.
5503 g_signal_handlers_block_by_func (priv->layout,
5506 gtk_text_layout_set_cursor_visible (priv->layout, !visible);
5507 g_signal_handlers_unblock_by_func (priv->layout,
5511 text_window_invalidate_cursors (priv->text_window);
5513 /* Remove ourselves */
5519 gtk_text_view_stop_cursor_blink (GtkTextView *text_view)
5521 if (text_view->priv->blink_timeout)
5523 g_source_remove (text_view->priv->blink_timeout);
5524 text_view->priv->blink_timeout = 0;
5529 gtk_text_view_check_cursor_blink (GtkTextView *text_view)
5531 GtkTextViewPrivate *priv = text_view->priv;
5533 if (priv->layout != NULL &&
5534 priv->cursor_visible &&
5535 gtk_widget_has_focus (GTK_WIDGET (text_view)))
5537 if (cursor_blinks (text_view))
5539 if (priv->blink_timeout == 0)
5541 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5543 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
5550 gtk_text_view_stop_cursor_blink (text_view);
5551 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5556 gtk_text_view_stop_cursor_blink (text_view);
5557 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
5562 gtk_text_view_pend_cursor_blink (GtkTextView *text_view)
5564 GtkTextViewPrivate *priv = text_view->priv;
5566 if (priv->layout != NULL &&
5567 priv->cursor_visible &&
5568 gtk_widget_has_focus (GTK_WIDGET (text_view)) &&
5569 cursor_blinks (text_view))
5571 gtk_text_view_stop_cursor_blink (text_view);
5572 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5574 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_PEND_MULTIPLIER / CURSOR_DIVIDER,
5581 gtk_text_view_reset_blink_time (GtkTextView *text_view)
5583 GtkTextViewPrivate *priv = text_view->priv;
5585 priv->blink_time = 0;
5590 * Key binding handlers
5594 gtk_text_view_move_iter_by_lines (GtkTextView *text_view,
5595 GtkTextIter *newplace,
5598 gboolean ret = TRUE;
5602 ret = gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, newplace);
5608 ret = gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, newplace);
5616 move_cursor (GtkTextView *text_view,
5617 const GtkTextIter *new_location,
5618 gboolean extend_selection)
5620 if (extend_selection)
5621 gtk_text_buffer_move_mark_by_name (get_buffer (text_view),
5625 gtk_text_buffer_place_cursor (get_buffer (text_view),
5627 gtk_text_view_check_cursor_blink (text_view);
5631 gtk_text_view_move_cursor_internal (GtkTextView *text_view,
5632 GtkMovementStep step,
5634 gboolean extend_selection)
5636 GtkTextViewPrivate *priv;
5638 GtkTextIter newplace;
5639 gboolean cancel_selection = FALSE;
5640 gint cursor_x_pos = 0;
5641 GtkDirectionType leave_direction = -1;
5643 priv = text_view->priv;
5645 if (!priv->cursor_visible)
5647 GtkScrollStep scroll_step;
5648 gdouble old_xpos, old_ypos;
5652 case GTK_MOVEMENT_VISUAL_POSITIONS:
5653 leave_direction = count > 0 ? GTK_DIR_RIGHT : GTK_DIR_LEFT;
5655 case GTK_MOVEMENT_LOGICAL_POSITIONS:
5656 case GTK_MOVEMENT_WORDS:
5657 scroll_step = GTK_SCROLL_HORIZONTAL_STEPS;
5659 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
5660 scroll_step = GTK_SCROLL_HORIZONTAL_ENDS;
5662 case GTK_MOVEMENT_DISPLAY_LINES:
5663 leave_direction = count > 0 ? GTK_DIR_DOWN : GTK_DIR_UP;
5665 case GTK_MOVEMENT_PARAGRAPHS:
5666 case GTK_MOVEMENT_PARAGRAPH_ENDS:
5667 scroll_step = GTK_SCROLL_STEPS;
5669 case GTK_MOVEMENT_PAGES:
5670 scroll_step = GTK_SCROLL_PAGES;
5672 case GTK_MOVEMENT_HORIZONTAL_PAGES:
5673 scroll_step = GTK_SCROLL_HORIZONTAL_PAGES;
5675 case GTK_MOVEMENT_BUFFER_ENDS:
5676 scroll_step = GTK_SCROLL_ENDS;
5679 scroll_step = GTK_SCROLL_PAGES;
5683 old_xpos = priv->xoffset;
5684 old_ypos = priv->yoffset;
5685 gtk_text_view_move_viewport (text_view, scroll_step, count);
5686 if ((old_xpos == priv->xoffset && old_ypos == priv->yoffset) &&
5687 leave_direction != -1 &&
5688 !gtk_widget_keynav_failed (GTK_WIDGET (text_view),
5691 g_signal_emit_by_name (text_view, "move-focus", leave_direction);
5697 gtk_text_view_reset_im_context (text_view);
5699 if (step == GTK_MOVEMENT_PAGES)
5701 if (!gtk_text_view_scroll_pages (text_view, count, extend_selection))
5702 gtk_widget_error_bell (GTK_WIDGET (text_view));
5704 gtk_text_view_check_cursor_blink (text_view);
5705 gtk_text_view_pend_cursor_blink (text_view);
5708 else if (step == GTK_MOVEMENT_HORIZONTAL_PAGES)
5710 if (!gtk_text_view_scroll_hpages (text_view, count, extend_selection))
5711 gtk_widget_error_bell (GTK_WIDGET (text_view));
5713 gtk_text_view_check_cursor_blink (text_view);
5714 gtk_text_view_pend_cursor_blink (text_view);
5718 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
5719 gtk_text_buffer_get_insert (get_buffer (text_view)));
5721 if (! extend_selection)
5723 GtkTextIter sel_bound;
5725 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &sel_bound,
5726 gtk_text_buffer_get_selection_bound (get_buffer (text_view)));
5728 /* if we move forward, assume the cursor is at the end of the selection;
5729 * if we move backward, assume the cursor is at the start
5732 gtk_text_iter_order (&sel_bound, &insert);
5734 gtk_text_iter_order (&insert, &sel_bound);
5736 /* if we actually have a selection, just move *to* the beginning/end
5737 * of the selection and not *from* there on LOGICAL_POSITIONS
5738 * and VISUAL_POSITIONS movement
5740 if (! gtk_text_iter_equal (&sel_bound, &insert))
5741 cancel_selection = TRUE;
5746 if (step == GTK_MOVEMENT_DISPLAY_LINES)
5747 gtk_text_view_get_virtual_cursor_pos (text_view, &insert, &cursor_x_pos, NULL);
5751 case GTK_MOVEMENT_LOGICAL_POSITIONS:
5752 if (! cancel_selection)
5753 gtk_text_iter_forward_visible_cursor_positions (&newplace, count);
5756 case GTK_MOVEMENT_VISUAL_POSITIONS:
5757 if (! cancel_selection)
5758 gtk_text_layout_move_iter_visually (priv->layout,
5762 case GTK_MOVEMENT_WORDS:
5764 gtk_text_iter_backward_visible_word_starts (&newplace, -count);
5767 if (!gtk_text_iter_forward_visible_word_ends (&newplace, count))
5768 gtk_text_iter_forward_to_line_end (&newplace);
5772 case GTK_MOVEMENT_DISPLAY_LINES:
5775 leave_direction = GTK_DIR_UP;
5777 if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
5778 gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
5780 gtk_text_iter_set_line_offset (&newplace, 0);
5784 leave_direction = GTK_DIR_DOWN;
5786 if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
5787 gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
5789 gtk_text_iter_forward_to_line_end (&newplace);
5793 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
5795 gtk_text_view_move_iter_by_lines (text_view, &newplace, --count);
5796 else if (count < -1)
5797 gtk_text_view_move_iter_by_lines (text_view, &newplace, ++count);
5800 gtk_text_layout_move_iter_to_line_end (priv->layout, &newplace, count);
5803 case GTK_MOVEMENT_PARAGRAPHS:
5806 if (!gtk_text_iter_ends_line (&newplace))
5808 gtk_text_iter_forward_to_line_end (&newplace);
5811 gtk_text_iter_forward_visible_lines (&newplace, count);
5812 gtk_text_iter_forward_to_line_end (&newplace);
5816 if (gtk_text_iter_get_line_offset (&newplace) > 0)
5817 gtk_text_iter_set_line_offset (&newplace, 0);
5818 gtk_text_iter_forward_visible_lines (&newplace, count);
5819 gtk_text_iter_set_line_offset (&newplace, 0);
5823 case GTK_MOVEMENT_PARAGRAPH_ENDS:
5826 if (!gtk_text_iter_ends_line (&newplace))
5827 gtk_text_iter_forward_to_line_end (&newplace);
5831 gtk_text_iter_set_line_offset (&newplace, 0);
5835 case GTK_MOVEMENT_BUFFER_ENDS:
5837 gtk_text_buffer_get_end_iter (get_buffer (text_view), &newplace);
5839 gtk_text_buffer_get_iter_at_offset (get_buffer (text_view), &newplace, 0);
5846 /* call move_cursor() even if the cursor hasn't moved, since it
5847 cancels the selection
5849 move_cursor (text_view, &newplace, extend_selection);
5851 if (!gtk_text_iter_equal (&insert, &newplace))
5853 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5854 gtk_text_view_scroll_mark_onscreen (text_view,
5855 gtk_text_buffer_get_insert (get_buffer (text_view)));
5857 if (step == GTK_MOVEMENT_DISPLAY_LINES)
5858 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, -1);
5860 else if (leave_direction != -1)
5862 if (!gtk_widget_keynav_failed (GTK_WIDGET (text_view),
5865 g_signal_emit_by_name (text_view, "move-focus", leave_direction);
5868 else if (! cancel_selection)
5870 gtk_widget_error_bell (GTK_WIDGET (text_view));
5873 gtk_text_view_check_cursor_blink (text_view);
5874 gtk_text_view_pend_cursor_blink (text_view);
5878 gtk_text_view_move_cursor (GtkTextView *text_view,
5879 GtkMovementStep step,
5881 gboolean extend_selection)
5883 gtk_text_view_move_cursor_internal (text_view, step, count, extend_selection);
5887 gtk_text_view_move_viewport (GtkTextView *text_view,
5891 GtkAdjustment *adjustment;
5896 case GTK_SCROLL_STEPS:
5897 case GTK_SCROLL_PAGES:
5898 case GTK_SCROLL_ENDS:
5899 adjustment = text_view->priv->vadjustment;
5901 case GTK_SCROLL_HORIZONTAL_STEPS:
5902 case GTK_SCROLL_HORIZONTAL_PAGES:
5903 case GTK_SCROLL_HORIZONTAL_ENDS:
5904 adjustment = text_view->priv->hadjustment;
5907 adjustment = text_view->priv->vadjustment;
5913 case GTK_SCROLL_STEPS:
5914 case GTK_SCROLL_HORIZONTAL_STEPS:
5915 increment = gtk_adjustment_get_step_increment (adjustment);
5917 case GTK_SCROLL_PAGES:
5918 case GTK_SCROLL_HORIZONTAL_PAGES:
5919 increment = gtk_adjustment_get_page_increment (adjustment);
5921 case GTK_SCROLL_ENDS:
5922 case GTK_SCROLL_HORIZONTAL_ENDS:
5923 increment = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment);
5930 gtk_adjustment_set_value (adjustment, gtk_adjustment_get_value (adjustment) + count * increment);
5934 gtk_text_view_set_anchor (GtkTextView *text_view)
5938 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
5939 gtk_text_buffer_get_insert (get_buffer (text_view)));
5941 gtk_text_buffer_create_mark (get_buffer (text_view), "anchor", &insert, TRUE);
5945 gtk_text_view_scroll_pages (GtkTextView *text_view,
5947 gboolean extend_selection)
5949 GtkTextViewPrivate *priv;
5950 GtkAdjustment *adjustment;
5951 gint cursor_x_pos, cursor_y_pos;
5952 GtkTextMark *insert_mark;
5953 GtkTextIter old_insert;
5954 GtkTextIter new_insert;
5960 priv = text_view->priv;
5962 g_return_val_if_fail (priv->vadjustment != NULL, FALSE);
5964 adjustment = priv->vadjustment;
5966 insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
5968 /* Make sure we start from the current cursor position, even
5969 * if it was offscreen, but don't queue more scrolls if we're
5972 if (priv->pending_scroll)
5973 cancel_pending_scroll (text_view);
5975 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
5977 /* Validate the region that will be brought into view by the cursor motion
5979 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
5980 &old_insert, insert_mark);
5984 gtk_text_view_get_first_para_iter (text_view, &anchor);
5985 y0 = gtk_adjustment_get_page_size (adjustment);
5986 y1 = gtk_adjustment_get_page_size (adjustment) + count * gtk_adjustment_get_page_increment (adjustment);
5990 gtk_text_view_get_first_para_iter (text_view, &anchor);
5991 y0 = count * gtk_adjustment_get_page_increment (adjustment) + gtk_adjustment_get_page_size (adjustment);
5995 gtk_text_layout_validate_yrange (priv->layout, &anchor, y0, y1);
5996 /* FIXME do we need to update the adjustment ranges here? */
5998 new_insert = old_insert;
6000 if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
6002 /* already at top, just be sure we are at offset 0 */
6003 gtk_text_buffer_get_start_iter (get_buffer (text_view), &new_insert);
6004 move_cursor (text_view, &new_insert, extend_selection);
6006 else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
6008 /* already at bottom, just be sure we are at the end */
6009 gtk_text_buffer_get_end_iter (get_buffer (text_view), &new_insert);
6010 move_cursor (text_view, &new_insert, extend_selection);
6014 gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
6016 oldval = gtk_adjustment_get_value (adjustment);
6017 newval = gtk_adjustment_get_value (adjustment);
6019 newval += count * gtk_adjustment_get_page_increment (adjustment);
6021 gtk_adjustment_set_value (adjustment, newval);
6022 cursor_y_pos += gtk_adjustment_get_value (adjustment) - oldval;
6024 gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
6025 clamp_iter_onscreen (text_view, &new_insert);
6026 move_cursor (text_view, &new_insert, extend_selection);
6028 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
6031 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
6032 * only guarantees 1 pixel onscreen.
6034 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6035 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
6037 return !gtk_text_iter_equal (&old_insert, &new_insert);
6041 gtk_text_view_scroll_hpages (GtkTextView *text_view,
6043 gboolean extend_selection)
6045 GtkTextViewPrivate *priv;
6046 GtkAdjustment *adjustment;
6047 gint cursor_x_pos, cursor_y_pos;
6048 GtkTextMark *insert_mark;
6049 GtkTextIter old_insert;
6050 GtkTextIter new_insert;
6055 priv = text_view->priv;
6057 g_return_val_if_fail (priv->hadjustment != NULL, FALSE);
6059 adjustment = priv->hadjustment;
6061 insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
6063 /* Make sure we start from the current cursor position, even
6064 * if it was offscreen, but don't queue more scrolls if we're
6067 if (priv->pending_scroll)
6068 cancel_pending_scroll (text_view);
6070 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
6072 /* Validate the line that we're moving within.
6074 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6075 &old_insert, insert_mark);
6077 gtk_text_layout_get_line_yrange (priv->layout, &old_insert, &y, &height);
6078 gtk_text_layout_validate_yrange (priv->layout, &old_insert, y, y + height);
6079 /* FIXME do we need to update the adjustment ranges here? */
6081 new_insert = old_insert;
6083 if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
6085 /* already at far left, just be sure we are at offset 0 */
6086 gtk_text_iter_set_line_offset (&new_insert, 0);
6087 move_cursor (text_view, &new_insert, extend_selection);
6089 else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
6091 /* already at far right, just be sure we are at the end */
6092 if (!gtk_text_iter_ends_line (&new_insert))
6093 gtk_text_iter_forward_to_line_end (&new_insert);
6094 move_cursor (text_view, &new_insert, extend_selection);
6098 gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
6100 oldval = gtk_adjustment_get_value (adjustment);
6101 newval = gtk_adjustment_get_value (adjustment);
6103 newval += count * gtk_adjustment_get_page_increment (adjustment);
6105 gtk_adjustment_set_value (adjustment, newval);
6106 cursor_x_pos += gtk_adjustment_get_value (adjustment) - oldval;
6108 gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
6109 clamp_iter_onscreen (text_view, &new_insert);
6110 move_cursor (text_view, &new_insert, extend_selection);
6112 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
6115 /* FIXME for lines shorter than the overall widget width, this results in a
6116 * "bounce" effect as we scroll to the right of the widget, then scroll
6117 * back to get the end of the line onscreen.
6118 * http://bugzilla.gnome.org/show_bug.cgi?id=68963
6121 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
6122 * only guarantees 1 pixel onscreen.
6124 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6125 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
6127 return !gtk_text_iter_equal (&old_insert, &new_insert);
6131 whitespace (gunichar ch, gpointer user_data)
6133 return (ch == ' ' || ch == '\t');
6137 not_whitespace (gunichar ch, gpointer user_data)
6139 return !whitespace (ch, user_data);
6143 find_whitepace_region (const GtkTextIter *center,
6144 GtkTextIter *start, GtkTextIter *end)
6149 if (gtk_text_iter_backward_find_char (start, not_whitespace, NULL, NULL))
6150 gtk_text_iter_forward_char (start); /* we want the first whitespace... */
6151 if (whitespace (gtk_text_iter_get_char (end), NULL))
6152 gtk_text_iter_forward_find_char (end, not_whitespace, NULL, NULL);
6154 return !gtk_text_iter_equal (start, end);
6158 gtk_text_view_insert_at_cursor (GtkTextView *text_view,
6161 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
6162 text_view->priv->editable))
6164 gtk_widget_error_bell (GTK_WIDGET (text_view));
6169 gtk_text_view_delete_from_cursor (GtkTextView *text_view,
6173 GtkTextViewPrivate *priv;
6177 gboolean leave_one = FALSE;
6179 priv = text_view->priv;
6181 gtk_text_view_reset_im_context (text_view);
6183 if (type == GTK_DELETE_CHARS)
6185 /* Char delete deletes the selection, if one exists */
6186 if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6191 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
6192 gtk_text_buffer_get_insert (get_buffer (text_view)));
6199 case GTK_DELETE_CHARS:
6200 gtk_text_iter_forward_cursor_positions (&end, count);
6203 case GTK_DELETE_WORD_ENDS:
6205 gtk_text_iter_forward_word_ends (&end, count);
6207 gtk_text_iter_backward_word_starts (&start, 0 - count);
6210 case GTK_DELETE_WORDS:
6213 case GTK_DELETE_DISPLAY_LINE_ENDS:
6216 case GTK_DELETE_DISPLAY_LINES:
6219 case GTK_DELETE_PARAGRAPH_ENDS:
6222 /* If we're already at a newline, we need to
6223 * simply delete that newline, instead of
6224 * moving to the next one.
6226 if (gtk_text_iter_ends_line (&end))
6228 gtk_text_iter_forward_line (&end);
6234 if (!gtk_text_iter_forward_to_line_end (&end))
6242 if (gtk_text_iter_starts_line (&start))
6244 gtk_text_iter_backward_line (&start);
6245 if (!gtk_text_iter_ends_line (&end))
6246 gtk_text_iter_forward_to_line_end (&start);
6250 gtk_text_iter_set_line_offset (&start, 0);
6254 gtk_text_iter_backward_lines (&start, -count);
6258 case GTK_DELETE_PARAGRAPHS:
6261 gtk_text_iter_set_line_offset (&start, 0);
6262 gtk_text_iter_forward_to_line_end (&end);
6264 /* Do the lines beyond the first. */
6267 gtk_text_iter_forward_to_line_end (&end);
6273 /* FIXME negative count? */
6277 case GTK_DELETE_WHITESPACE:
6279 find_whitepace_region (&insert, &start, &end);
6287 if (!gtk_text_iter_equal (&start, &end))
6289 gtk_text_buffer_begin_user_action (get_buffer (text_view));
6291 if (gtk_text_buffer_delete_interactive (get_buffer (text_view), &start, &end,
6295 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view),
6301 gtk_widget_error_bell (GTK_WIDGET (text_view));
6304 gtk_text_buffer_end_user_action (get_buffer (text_view));
6305 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
6307 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6308 gtk_text_view_scroll_mark_onscreen (text_view,
6309 gtk_text_buffer_get_insert (get_buffer (text_view)));
6313 gtk_widget_error_bell (GTK_WIDGET (text_view));
6318 gtk_text_view_backspace (GtkTextView *text_view)
6320 GtkTextViewPrivate *priv;
6323 priv = text_view->priv;
6325 gtk_text_view_reset_im_context (text_view);
6327 /* Backspace deletes the selection, if one exists */
6328 if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6332 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6334 gtk_text_buffer_get_insert (get_buffer (text_view)));
6336 if (gtk_text_buffer_backspace (get_buffer (text_view), &insert,
6337 TRUE, priv->editable))
6339 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
6340 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6341 gtk_text_view_scroll_mark_onscreen (text_view,
6342 gtk_text_buffer_get_insert (get_buffer (text_view)));
6346 gtk_widget_error_bell (GTK_WIDGET (text_view));
6351 gtk_text_view_cut_clipboard (GtkTextView *text_view)
6353 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6354 GDK_SELECTION_CLIPBOARD);
6356 gtk_text_buffer_cut_clipboard (get_buffer (text_view),
6358 text_view->priv->editable);
6359 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6360 gtk_text_view_scroll_mark_onscreen (text_view,
6361 gtk_text_buffer_get_insert (get_buffer (text_view)));
6362 gtk_text_view_selection_bubble_popup_unset (text_view);
6366 gtk_text_view_copy_clipboard (GtkTextView *text_view)
6368 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6369 GDK_SELECTION_CLIPBOARD);
6371 gtk_text_buffer_copy_clipboard (get_buffer (text_view),
6374 /* on copy do not scroll, we are already onscreen */
6378 gtk_text_view_paste_clipboard (GtkTextView *text_view)
6380 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6381 GDK_SELECTION_CLIPBOARD);
6383 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
6386 text_view->priv->editable);
6390 gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
6391 GtkClipboard *clipboard,
6394 GtkTextView *text_view = data;
6395 GtkTextViewPrivate *priv;
6397 priv = text_view->priv;
6399 if (priv->scroll_after_paste)
6401 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6402 gtk_text_view_scroll_mark_onscreen (text_view, gtk_text_buffer_get_insert (buffer));
6405 priv->scroll_after_paste = TRUE;
6409 gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
6412 GtkTextView *text_view = data;
6413 GtkTextViewPrivate *priv = text_view->priv;
6415 gtk_text_view_update_handles (text_view,
6416 _gtk_text_handle_get_mode (priv->text_handle));
6420 gtk_text_view_toggle_overwrite (GtkTextView *text_view)
6422 GtkTextViewPrivate *priv = text_view->priv;
6424 if (priv->text_window)
6425 text_window_invalidate_cursors (priv->text_window);
6427 priv->overwrite_mode = !priv->overwrite_mode;
6430 gtk_text_layout_set_overwrite_mode (priv->layout,
6431 priv->overwrite_mode && priv->editable);
6433 if (priv->text_window)
6434 text_window_invalidate_cursors (priv->text_window);
6436 gtk_text_view_pend_cursor_blink (text_view);
6438 g_object_notify (G_OBJECT (text_view), "overwrite");
6442 * gtk_text_view_get_overwrite:
6443 * @text_view: a #GtkTextView
6445 * Returns whether the #GtkTextView is in overwrite mode or not.
6447 * Return value: whether @text_view is in overwrite mode or not.
6452 gtk_text_view_get_overwrite (GtkTextView *text_view)
6454 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
6456 return text_view->priv->overwrite_mode;
6460 * gtk_text_view_set_overwrite:
6461 * @text_view: a #GtkTextView
6462 * @overwrite: %TRUE to turn on overwrite mode, %FALSE to turn it off
6464 * Changes the #GtkTextView overwrite mode.
6469 gtk_text_view_set_overwrite (GtkTextView *text_view,
6472 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
6473 overwrite = overwrite != FALSE;
6475 if (text_view->priv->overwrite_mode != overwrite)
6476 gtk_text_view_toggle_overwrite (text_view);
6480 * gtk_text_view_set_accepts_tab:
6481 * @text_view: A #GtkTextView
6482 * @accepts_tab: %TRUE if pressing the Tab key should insert a tab
6483 * character, %FALSE, if pressing the Tab key should move the
6486 * Sets the behavior of the text widget when the Tab key is pressed.
6487 * If @accepts_tab is %TRUE, a tab character is inserted. If @accepts_tab
6488 * is %FALSE the keyboard focus is moved to the next widget in the focus
6494 gtk_text_view_set_accepts_tab (GtkTextView *text_view,
6495 gboolean accepts_tab)
6497 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
6499 accepts_tab = accepts_tab != FALSE;
6501 if (text_view->priv->accepts_tab != accepts_tab)
6503 text_view->priv->accepts_tab = accepts_tab;
6505 g_object_notify (G_OBJECT (text_view), "accepts-tab");
6510 * gtk_text_view_get_accepts_tab:
6511 * @text_view: A #GtkTextView
6513 * Returns whether pressing the Tab key inserts a tab characters.
6514 * gtk_text_view_set_accepts_tab().
6516 * Return value: %TRUE if pressing the Tab key inserts a tab character,
6517 * %FALSE if pressing the Tab key moves the keyboard focus.
6522 gtk_text_view_get_accepts_tab (GtkTextView *text_view)
6524 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
6526 return text_view->priv->accepts_tab;
6534 gtk_text_view_unselect (GtkTextView *text_view)
6538 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
6539 gtk_text_buffer_get_insert (get_buffer (text_view)));
6541 gtk_text_buffer_move_mark (get_buffer (text_view),
6542 gtk_text_buffer_get_selection_bound (get_buffer (text_view)),
6547 get_iter_at_pointer (GtkTextView *text_view,
6553 GtkTextViewPrivate *priv;
6554 gint xcoord, ycoord;
6555 GdkModifierType state;
6557 priv = text_view->priv;
6559 gdk_window_get_device_position (priv->text_window->bin_window,
6560 device, &xcoord, &ycoord, &state);
6562 gtk_text_layout_get_iter_at_pixel (priv->layout,
6564 xcoord + priv->xoffset,
6565 ycoord + priv->yoffset);
6574 move_mark_to_pointer_and_scroll (GtkTextView *text_view,
6575 const gchar *mark_name,
6577 GdkInputSource source)
6579 GtkTextIter newplace;
6580 GtkTextBuffer *buffer;
6583 buffer = get_buffer (text_view);
6584 get_iter_at_pointer (text_view, device, &newplace, NULL, NULL);
6586 mark = gtk_text_buffer_get_mark (buffer, mark_name);
6588 /* This may invalidate the layout */
6589 DV(g_print (G_STRLOC": move mark\n"));
6591 gtk_text_buffer_move_mark (buffer, mark, &newplace);
6593 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6594 gtk_text_view_scroll_mark_onscreen (text_view, mark);
6596 DV (g_print ("first validate idle leaving %s is %d\n",
6597 G_STRLOC, text_view->priv->first_validate_idle));
6601 selection_scan_timeout (gpointer data)
6603 GtkTextView *text_view;
6605 text_view = GTK_TEXT_VIEW (data);
6607 gtk_text_view_scroll_mark_onscreen (text_view,
6608 gtk_text_buffer_get_insert (get_buffer (text_view)));
6610 return TRUE; /* remain installed. */
6613 #define UPPER_OFFSET_ANCHOR 0.8
6614 #define LOWER_OFFSET_ANCHOR 0.2
6617 check_scroll (gdouble offset, GtkAdjustment *adjustment)
6619 if ((offset > UPPER_OFFSET_ANCHOR &&
6620 gtk_adjustment_get_value (adjustment) + gtk_adjustment_get_page_size (adjustment) < gtk_adjustment_get_upper (adjustment)) ||
6621 (offset < LOWER_OFFSET_ANCHOR &&
6622 gtk_adjustment_get_value (adjustment) > gtk_adjustment_get_lower (adjustment)))
6629 drag_scan_timeout (gpointer data)
6631 GtkTextView *text_view;
6632 GtkTextViewPrivate *priv;
6633 GtkTextIter newplace;
6635 gdouble pointer_xoffset, pointer_yoffset;
6637 text_view = GTK_TEXT_VIEW (data);
6638 priv = text_view->priv;
6640 get_iter_at_pointer (text_view, priv->dnd_device, &newplace, &x, &y);
6642 gtk_text_buffer_move_mark (get_buffer (text_view),
6646 pointer_xoffset = (gdouble) x / gdk_window_get_width (priv->text_window->bin_window);
6647 pointer_yoffset = (gdouble) y / gdk_window_get_height (priv->text_window->bin_window);
6649 if (check_scroll (pointer_xoffset, priv->hadjustment) ||
6650 check_scroll (pointer_yoffset, priv->vadjustment))
6652 /* do not make offsets surpass lower nor upper anchors, this makes
6653 * scrolling speed relative to the distance of the pointer to the
6654 * anchors when it moves beyond them.
6656 pointer_xoffset = CLAMP (pointer_xoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
6657 pointer_yoffset = CLAMP (pointer_yoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
6659 gtk_text_view_scroll_to_mark (text_view,
6661 0., TRUE, pointer_xoffset, pointer_yoffset);
6672 } SelectionGranularity;
6675 * Move @start and @end to the boundaries of the selection unit (indicated by
6676 * @granularity) which contained @start initially.
6677 * If the selction unit is SELECT_WORDS and @start is not contained in a word
6678 * the selection is extended to all the white spaces between the end of the
6679 * word preceding @start and the start of the one following.
6682 extend_selection (GtkTextView *text_view,
6683 SelectionGranularity granularity,
6689 if (granularity == SELECT_WORDS)
6691 if (gtk_text_iter_inside_word (start))
6693 if (!gtk_text_iter_starts_word (start))
6694 gtk_text_iter_backward_visible_word_start (start);
6696 if (!gtk_text_iter_ends_word (end))
6698 if (!gtk_text_iter_forward_visible_word_end (end))
6699 gtk_text_iter_forward_to_end (end);
6707 if (gtk_text_iter_backward_visible_word_start (&tmp))
6708 gtk_text_iter_forward_visible_word_end (&tmp);
6710 if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (start))
6713 gtk_text_iter_set_line_offset (start, 0);
6716 if (!gtk_text_iter_forward_visible_word_end (&tmp))
6717 gtk_text_iter_forward_to_end (&tmp);
6719 if (gtk_text_iter_ends_word (&tmp))
6720 gtk_text_iter_backward_visible_word_start (&tmp);
6722 if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (end))
6725 gtk_text_iter_forward_to_line_end (end);
6728 else if (granularity == SELECT_LINES)
6730 if (gtk_text_view_starts_display_line (text_view, start))
6732 /* If on a display line boundary, we assume the user
6733 * clicked off the end of a line and we therefore select
6734 * the line before the boundary.
6736 gtk_text_view_backward_display_line_start (text_view, start);
6740 /* start isn't on the start of a line, so we move it to the
6741 * start, and move end to the end unless it's already there.
6743 gtk_text_view_backward_display_line_start (text_view, start);
6745 if (!gtk_text_view_starts_display_line (text_view, end))
6746 gtk_text_view_forward_display_line_end (text_view, end);
6754 SelectionGranularity granularity;
6755 GtkTextMark *orig_start;
6756 GtkTextMark *orig_end;
6760 selection_data_free (SelectionData *data)
6762 if (data->orig_start != NULL)
6763 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_start),
6765 if (data->orig_end != NULL)
6766 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_end),
6772 selection_motion_event_handler (GtkTextView *text_view,
6773 GdkEventMotion *event,
6774 SelectionData *data)
6776 GtkTextViewPrivate *priv;
6777 GdkInputSource input_source;
6780 priv = text_view->priv;
6781 gdk_event_request_motions (event);
6783 device = gdk_event_get_source_device ((GdkEvent *) event);
6784 input_source = gdk_device_get_source (device);
6786 if (priv->grab_device != event->device)
6789 if (data->granularity == SELECT_CHARACTERS)
6791 move_mark_to_pointer_and_scroll (text_view, "insert",
6792 event->device, input_source);
6796 GtkTextIter cursor, start, end;
6797 GtkTextIter orig_start, orig_end;
6798 GtkTextBuffer *buffer;
6800 buffer = get_buffer (text_view);
6802 gtk_text_buffer_get_iter_at_mark (buffer, &orig_start, data->orig_start);
6803 gtk_text_buffer_get_iter_at_mark (buffer, &orig_end, data->orig_end);
6805 get_iter_at_pointer (text_view, event->device, &cursor, NULL, NULL);
6808 extend_selection (text_view, data->granularity, &start, &end);
6810 /* either the selection extends to the front, or end (or not) */
6811 if (gtk_text_iter_compare (&cursor, &orig_start) < 0)
6812 gtk_text_buffer_select_range (buffer, &start, &orig_end);
6814 gtk_text_buffer_select_range (buffer, &end, &orig_start);
6816 gtk_text_view_scroll_mark_onscreen (text_view,
6817 gtk_text_buffer_get_insert (buffer));
6820 /* If we had to scroll offscreen, insert a timeout to do so
6821 * again. Note that in the timeout, even if the mouse doesn't
6822 * move, due to this scroll xoffset/yoffset will have changed
6823 * and we'll need to scroll again.
6825 if (text_view->priv->scroll_timeout != 0) /* reset on every motion event */
6826 g_source_remove (text_view->priv->scroll_timeout);
6828 text_view->priv->scroll_timeout =
6829 gdk_threads_add_timeout (50, selection_scan_timeout, text_view);
6831 if (test_touchscreen || input_source == GDK_SOURCE_TOUCHSCREEN)
6832 gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
6838 gtk_text_view_start_selection_drag (GtkTextView *text_view,
6839 const GtkTextIter *iter,
6840 GdkEventButton *button)
6842 GtkTextViewPrivate *priv;
6843 GtkTextIter cursor, ins, bound;
6844 GtkTextIter orig_start, orig_end;
6845 GtkTextBuffer *buffer;
6846 SelectionData *data;
6848 if (text_view->priv->selection_drag_handler != 0)
6851 priv = text_view->priv;
6852 data = g_new0 (SelectionData, 1);
6854 if (button->type == GDK_2BUTTON_PRESS)
6855 data->granularity = SELECT_WORDS;
6856 else if (button->type == GDK_3BUTTON_PRESS)
6857 data->granularity = SELECT_LINES;
6859 data->granularity = SELECT_CHARACTERS;
6861 priv->grab_device = button->device;
6862 gtk_device_grab_add (GTK_WIDGET (text_view),
6866 buffer = get_buffer (text_view);
6871 extend_selection (text_view, data->granularity, &ins, &bound);
6876 gtk_widget_get_modifier_mask (GTK_WIDGET (text_view),
6877 GDK_MODIFIER_INTENT_EXTEND_SELECTION))
6879 /* Extend selection */
6880 GtkTextIter old_ins, old_bound;
6881 GtkTextIter old_start, old_end;
6883 gtk_text_buffer_get_iter_at_mark (buffer, &old_ins, gtk_text_buffer_get_insert (buffer));
6884 gtk_text_buffer_get_iter_at_mark (buffer, &old_bound, gtk_text_buffer_get_selection_bound (buffer));
6885 old_start = old_ins;
6886 old_end = old_bound;
6887 gtk_text_iter_order (&old_start, &old_end);
6889 /* move the front cursor, if the mouse is in front of the selection. Should the
6890 * cursor however be inside the selection (this happens on tripple click) then we
6891 * move the side which was last moved (current insert mark) */
6892 if (gtk_text_iter_compare (&cursor, &old_start) <= 0 ||
6893 (gtk_text_iter_compare (&cursor, &old_end) < 0 &&
6894 gtk_text_iter_compare (&old_ins, &old_bound) <= 0))
6897 orig_start = old_end;
6909 gtk_text_buffer_select_range (buffer, &ins, &bound);
6911 gtk_text_iter_order (&orig_start, &orig_end);
6912 data->orig_start = gtk_text_buffer_create_mark (buffer, NULL,
6914 data->orig_end = gtk_text_buffer_create_mark (buffer, NULL,
6916 gtk_text_view_check_cursor_blink (text_view);
6918 text_view->priv->selection_drag_handler = g_signal_connect_data (text_view,
6919 "motion-notify-event",
6920 G_CALLBACK (selection_motion_event_handler),
6922 (GClosureNotify) selection_data_free, 0);
6925 /* returns whether we were really dragging */
6927 gtk_text_view_end_selection_drag (GtkTextView *text_view)
6929 GtkTextViewPrivate *priv;
6931 priv = text_view->priv;
6933 if (!priv->grab_device)
6936 if (priv->selection_drag_handler == 0)
6939 g_signal_handler_disconnect (text_view, priv->selection_drag_handler);
6940 priv->selection_drag_handler = 0;
6942 if (priv->scroll_timeout != 0)
6944 g_source_remove (priv->scroll_timeout);
6945 priv->scroll_timeout = 0;
6948 gtk_device_grab_remove (GTK_WIDGET (text_view),
6950 priv->grab_device = NULL;
6960 gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
6961 GtkTextAttributes *values)
6963 GtkStyleContext *context;
6964 GdkRGBA bg_color, fg_color;
6965 GtkStateFlags state;
6967 context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
6968 state = gtk_widget_get_state_flags (GTK_WIDGET (text_view));
6970 gtk_style_context_save (context);
6971 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
6973 gtk_style_context_get_background_color (context, state, &bg_color);
6974 gtk_style_context_get_color (context, state, &fg_color);
6976 values->appearance.bg_color.red = CLAMP (bg_color.red * 65535. + 0.5, 0, 65535);
6977 values->appearance.bg_color.green = CLAMP (bg_color.green * 65535. + 0.5, 0, 65535);
6978 values->appearance.bg_color.blue = CLAMP (bg_color.blue * 65535. + 0.5, 0, 65535);
6980 values->appearance.fg_color.red = CLAMP (fg_color.red * 65535. + 0.5, 0, 65535);
6981 values->appearance.fg_color.green = CLAMP (fg_color.green * 65535. + 0.5, 0, 65535);
6982 values->appearance.fg_color.blue = CLAMP (fg_color.blue * 65535. + 0.5, 0, 65535);
6985 pango_font_description_free (values->font);
6987 gtk_style_context_get (context, state, "font", &values->font, NULL);
6989 gtk_style_context_restore (context);
6993 gtk_text_view_check_keymap_direction (GtkTextView *text_view)
6995 GtkTextViewPrivate *priv = text_view->priv;
6999 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
7000 GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)));
7001 GtkTextDirection new_cursor_dir;
7002 GtkTextDirection new_keyboard_dir;
7003 gboolean split_cursor;
7005 g_object_get (settings,
7006 "gtk-split-cursor", &split_cursor,
7009 if (gdk_keymap_get_direction (keymap) == PANGO_DIRECTION_RTL)
7010 new_keyboard_dir = GTK_TEXT_DIR_RTL;
7012 new_keyboard_dir = GTK_TEXT_DIR_LTR;
7015 new_cursor_dir = GTK_TEXT_DIR_NONE;
7017 new_cursor_dir = new_keyboard_dir;
7019 gtk_text_layout_set_cursor_direction (priv->layout, new_cursor_dir);
7020 gtk_text_layout_set_keyboard_direction (priv->layout, new_keyboard_dir);
7025 gtk_text_view_ensure_layout (GtkTextView *text_view)
7028 GtkTextViewPrivate *priv;
7030 widget = GTK_WIDGET (text_view);
7031 priv = text_view->priv;
7033 if (priv->layout == NULL)
7035 GtkTextAttributes *style;
7036 PangoContext *ltr_context, *rtl_context;
7039 DV(g_print(G_STRLOC"\n"));
7041 priv->layout = gtk_text_layout_new ();
7043 g_signal_connect (priv->layout,
7045 G_CALLBACK (invalidated_handler),
7048 g_signal_connect (priv->layout,
7050 G_CALLBACK (changed_handler),
7053 g_signal_connect (priv->layout,
7055 G_CALLBACK (gtk_text_view_child_allocated),
7058 if (get_buffer (text_view))
7059 gtk_text_layout_set_buffer (priv->layout, get_buffer (text_view));
7061 if ((gtk_widget_has_focus (widget) && priv->cursor_visible))
7062 gtk_text_view_pend_cursor_blink (text_view);
7064 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
7066 gtk_text_layout_set_overwrite_mode (priv->layout,
7067 priv->overwrite_mode && priv->editable);
7069 ltr_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
7070 pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
7071 rtl_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
7072 pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
7074 gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
7076 g_object_unref (ltr_context);
7077 g_object_unref (rtl_context);
7079 gtk_text_view_check_keymap_direction (text_view);
7081 style = gtk_text_attributes_new ();
7083 gtk_text_view_set_attributes_from_style (text_view, style);
7085 style->pixels_above_lines = priv->pixels_above_lines;
7086 style->pixels_below_lines = priv->pixels_below_lines;
7087 style->pixels_inside_wrap = priv->pixels_inside_wrap;
7088 style->left_margin = priv->left_margin;
7089 style->right_margin = priv->right_margin;
7090 style->indent = priv->indent;
7091 style->tabs = priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
7093 style->wrap_mode = priv->wrap_mode;
7094 style->justification = priv->justify;
7095 style->direction = gtk_widget_get_direction (GTK_WIDGET (text_view));
7097 gtk_text_layout_set_default_style (priv->layout, style);
7099 gtk_text_attributes_unref (style);
7101 /* Set layout for all anchored children */
7103 tmp_list = priv->children;
7104 while (tmp_list != NULL)
7106 GtkTextViewChild *vc = tmp_list->data;
7110 gtk_text_anchored_child_set_layout (vc->widget,
7112 /* vc may now be invalid! */
7115 tmp_list = g_slist_next (tmp_list);
7121 * gtk_text_view_get_default_attributes:
7122 * @text_view: a #GtkTextView
7124 * Obtains a copy of the default text attributes. These are the
7125 * attributes used for text unless a tag overrides them.
7126 * You'd typically pass the default attributes in to
7127 * gtk_text_iter_get_attributes() in order to get the
7128 * attributes in effect at a given text position.
7130 * The return value is a copy owned by the caller of this function,
7131 * and should be freed.
7133 * Return value: a new #GtkTextAttributes
7136 gtk_text_view_get_default_attributes (GtkTextView *text_view)
7138 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7140 gtk_text_view_ensure_layout (text_view);
7142 return gtk_text_attributes_copy (text_view->priv->layout->default_style);
7146 gtk_text_view_destroy_layout (GtkTextView *text_view)
7148 GtkTextViewPrivate *priv = text_view->priv;
7154 gtk_text_view_remove_validate_idles (text_view);
7156 g_signal_handlers_disconnect_by_func (priv->layout,
7157 invalidated_handler,
7159 g_signal_handlers_disconnect_by_func (priv->layout,
7163 /* Remove layout from all anchored children */
7164 tmp_list = priv->children;
7165 while (tmp_list != NULL)
7167 GtkTextViewChild *vc = tmp_list->data;
7171 gtk_text_anchored_child_set_layout (vc->widget, NULL);
7172 /* vc may now be invalid! */
7175 tmp_list = g_slist_next (tmp_list);
7178 gtk_text_view_stop_cursor_blink (text_view);
7179 gtk_text_view_end_selection_drag (text_view);
7181 g_object_unref (priv->layout);
7182 priv->layout = NULL;
7187 * gtk_text_view_reset_im_context:
7188 * @text_view: a #GtkTextView
7190 * Reset the input method context of the text view if needed.
7192 * This can be necessary in the case where modifying the buffer
7193 * would confuse on-going input method behavior.
7198 gtk_text_view_reset_im_context (GtkTextView *text_view)
7200 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7202 if (text_view->priv->need_im_reset)
7204 text_view->priv->need_im_reset = FALSE;
7205 gtk_im_context_reset (text_view->priv->im_context);
7210 * gtk_text_view_im_context_filter_keypress:
7211 * @text_view: a #GtkTextView
7212 * @event: the key event
7214 * Allow the #GtkTextView input method to internally handle key press
7215 * and release events. If this function returns %TRUE, then no further
7216 * processing should be done for this key event. See
7217 * gtk_im_context_filter_keypress().
7219 * Note that you are expected to call this function from your handler
7220 * when overriding key event handling. This is needed in the case when
7221 * you need to insert your own key handling between the input method
7222 * and the default key event handling of the #GtkTextView.
7226 * gtk_foo_bar_key_press_event (GtkWidget *widget,
7227 * GdkEventKey *event)
7229 * if ((key->keyval == GDK_KEY_Return || key->keyval == GDK_KEY_KP_Enter))
7231 * if (gtk_text_view_im_context_filter_keypress (GTK_TEXT_VIEW (view), event))
7235 * /* Do some stuff */
7237 * return GTK_WIDGET_CLASS (gtk_foo_bar_parent_class)->key_press_event (widget, event);
7241 * Return value: %TRUE if the input method handled the key event.
7246 gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
7249 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
7251 return gtk_im_context_filter_keypress (text_view->priv->im_context, event);
7259 drag_begin_cb (GtkWidget *widget,
7260 GdkDragContext *context,
7263 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
7264 GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
7267 cairo_surface_t *surface = NULL;
7269 g_signal_handlers_disconnect_by_func (widget, drag_begin_cb, NULL);
7271 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7272 surface = _gtk_text_util_create_rich_drag_icon (widget, buffer, &start, &end);
7276 gtk_drag_set_icon_surface (context, surface);
7277 cairo_surface_destroy (surface);
7281 gtk_drag_set_icon_default (context);
7286 gtk_text_view_start_selection_dnd (GtkTextView *text_view,
7287 const GtkTextIter *iter,
7288 GdkEventMotion *event)
7290 GtkTargetList *target_list;
7292 text_view->priv->drag_start_x = -1;
7293 text_view->priv->drag_start_y = -1;
7294 text_view->priv->pending_place_cursor_button = 0;
7296 target_list = gtk_text_buffer_get_copy_target_list (get_buffer (text_view));
7298 g_signal_connect (text_view, "drag-begin",
7299 G_CALLBACK (drag_begin_cb), NULL);
7300 gtk_drag_begin (GTK_WIDGET (text_view), target_list,
7301 GDK_ACTION_COPY | GDK_ACTION_MOVE,
7302 1, (GdkEvent*)event);
7306 gtk_text_view_drag_begin (GtkWidget *widget,
7307 GdkDragContext *context)
7313 gtk_text_view_drag_end (GtkWidget *widget,
7314 GdkDragContext *context)
7319 gtk_text_view_drag_data_get (GtkWidget *widget,
7320 GdkDragContext *context,
7321 GtkSelectionData *selection_data,
7325 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
7326 GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
7328 if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
7330 gtk_selection_data_set (selection_data,
7331 gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
7336 else if (info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
7343 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7345 /* Extract the selected text */
7346 str = gtk_text_buffer_serialize (buffer, buffer,
7347 gtk_selection_data_get_target (selection_data),
7354 gtk_selection_data_set (selection_data,
7355 gtk_selection_data_get_target (selection_data),
7357 (guchar *) str, len);
7367 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7369 /* Extract the selected text */
7370 str = gtk_text_iter_get_visible_text (&start, &end);
7375 gtk_selection_data_set_text (selection_data, str, -1);
7382 gtk_text_view_drag_data_delete (GtkWidget *widget,
7383 GdkDragContext *context)
7385 gtk_text_buffer_delete_selection (GTK_TEXT_VIEW (widget)->priv->buffer,
7386 TRUE, GTK_TEXT_VIEW (widget)->priv->editable);
7390 gtk_text_view_drag_leave (GtkWidget *widget,
7391 GdkDragContext *context,
7394 GtkTextView *text_view;
7395 GtkTextViewPrivate *priv;
7397 text_view = GTK_TEXT_VIEW (widget);
7398 priv = text_view->priv;
7400 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7402 if (priv->dnd_device)
7403 priv->dnd_device = NULL;
7405 if (priv->scroll_timeout != 0)
7406 g_source_remove (priv->scroll_timeout);
7408 priv->scroll_timeout = 0;
7412 gtk_text_view_drag_motion (GtkWidget *widget,
7413 GdkDragContext *context,
7418 GtkTextIter newplace;
7419 GtkTextView *text_view;
7420 GtkTextViewPrivate *priv;
7423 GdkRectangle target_rect;
7426 GdkDragAction suggested_action = 0;
7428 text_view = GTK_TEXT_VIEW (widget);
7429 priv = text_view->priv;
7431 target_rect = priv->text_window->allocation;
7433 if (x < target_rect.x ||
7434 y < target_rect.y ||
7435 x > (target_rect.x + target_rect.width) ||
7436 y > (target_rect.y + target_rect.height))
7437 return FALSE; /* outside the text window, allow parent widgets to handle event */
7439 gtk_text_view_window_to_buffer_coords (text_view,
7440 GTK_TEXT_WINDOW_WIDGET,
7444 gtk_text_layout_get_iter_at_pixel (priv->layout,
7448 target = gtk_drag_dest_find_target (widget, context,
7449 gtk_drag_dest_get_target_list (widget));
7451 if (target == GDK_NONE)
7453 /* can't accept any of the offered targets */
7455 else if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
7457 gtk_text_iter_compare (&newplace, &start) >= 0 &&
7458 gtk_text_iter_compare (&newplace, &end) <= 0)
7460 /* We're inside the selection. */
7464 if (gtk_text_iter_can_insert (&newplace, priv->editable))
7466 GtkWidget *source_widget;
7468 suggested_action = gdk_drag_context_get_suggested_action (context);
7470 source_widget = gtk_drag_get_source_widget (context);
7472 if (source_widget == widget)
7474 /* Default to MOVE, unless the user has
7475 * pressed ctrl or alt to affect available actions
7477 if ((gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE) != 0)
7478 suggested_action = GDK_ACTION_MOVE;
7483 /* Can't drop here. */
7487 if (suggested_action != 0)
7489 gtk_text_mark_set_visible (priv->dnd_mark,
7490 priv->cursor_visible);
7492 gdk_drag_status (context, suggested_action, time);
7496 gdk_drag_status (context, 0, time);
7497 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7500 priv->dnd_device = gdk_drag_context_get_device (context);
7502 if (!priv->scroll_timeout)
7503 priv->scroll_timeout =
7504 gdk_threads_add_timeout (100, drag_scan_timeout, text_view);
7506 /* TRUE return means don't propagate the drag motion to parent
7507 * widgets that may also be drop sites.
7513 gtk_text_view_drag_drop (GtkWidget *widget,
7514 GdkDragContext *context,
7519 GtkTextView *text_view;
7520 GtkTextViewPrivate *priv;
7521 GtkTextIter drop_point;
7522 GdkAtom target = GDK_NONE;
7524 text_view = GTK_TEXT_VIEW (widget);
7525 priv = text_view->priv;
7527 if (priv->scroll_timeout != 0)
7528 g_source_remove (priv->scroll_timeout);
7530 priv->scroll_timeout = 0;
7532 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7534 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
7538 if (gtk_text_iter_can_insert (&drop_point, priv->editable))
7539 target = gtk_drag_dest_find_target (widget, context, NULL);
7541 if (target != GDK_NONE)
7542 gtk_drag_get_data (widget, context, target, time);
7544 gtk_drag_finish (context, FALSE, FALSE, time);
7550 insert_text_data (GtkTextView *text_view,
7551 GtkTextIter *drop_point,
7552 GtkSelectionData *selection_data)
7556 str = gtk_selection_data_get_text (selection_data);
7560 if (!gtk_text_buffer_insert_interactive (get_buffer (text_view),
7561 drop_point, (gchar *) str, -1,
7562 text_view->priv->editable))
7564 gtk_widget_error_bell (GTK_WIDGET (text_view));
7572 gtk_text_view_drag_data_received (GtkWidget *widget,
7573 GdkDragContext *context,
7576 GtkSelectionData *selection_data,
7580 GtkTextIter drop_point;
7581 GtkTextView *text_view;
7582 GtkTextViewPrivate *priv;
7583 gboolean success = FALSE;
7584 GtkTextBuffer *buffer = NULL;
7586 text_view = GTK_TEXT_VIEW (widget);
7587 priv = text_view->priv;
7589 if (!priv->dnd_mark)
7592 buffer = get_buffer (text_view);
7594 gtk_text_buffer_get_iter_at_mark (buffer,
7598 if (!gtk_text_iter_can_insert (&drop_point, priv->editable))
7603 gtk_text_buffer_begin_user_action (buffer);
7605 if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
7607 GtkTextBuffer *src_buffer = NULL;
7608 GtkTextIter start, end;
7609 gboolean copy_tags = TRUE;
7611 if (gtk_selection_data_get_length (selection_data) != sizeof (src_buffer))
7614 memcpy (&src_buffer, gtk_selection_data_get_data (selection_data), sizeof (src_buffer));
7616 if (src_buffer == NULL)
7619 g_return_if_fail (GTK_IS_TEXT_BUFFER (src_buffer));
7621 if (gtk_text_buffer_get_tag_table (src_buffer) !=
7622 gtk_text_buffer_get_tag_table (buffer))
7624 /* try to find a suitable rich text target instead */
7628 GdkAtom target = GDK_NONE;
7632 atoms = gtk_text_buffer_get_deserialize_formats (buffer, &n_atoms);
7634 for (list = gdk_drag_context_list_targets (context); list; list = g_list_next (list))
7638 for (i = 0; i < n_atoms; i++)
7639 if (GUINT_TO_POINTER (atoms[i]) == list->data)
7648 if (target != GDK_NONE)
7650 gtk_drag_get_data (widget, context, target, time);
7651 gtk_text_buffer_end_user_action (buffer);
7656 if (gtk_text_buffer_get_selection_bounds (src_buffer,
7661 gtk_text_buffer_insert_range_interactive (buffer,
7670 str = gtk_text_iter_get_visible_text (&start, &end);
7671 gtk_text_buffer_insert_interactive (buffer,
7672 &drop_point, str, -1,
7678 else if (gtk_selection_data_get_length (selection_data) > 0 &&
7679 info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
7682 GError *error = NULL;
7684 retval = gtk_text_buffer_deserialize (buffer, buffer,
7685 gtk_selection_data_get_target (selection_data),
7687 (guint8 *) gtk_selection_data_get_data (selection_data),
7688 gtk_selection_data_get_length (selection_data),
7693 g_warning ("error pasting: %s\n", error->message);
7694 g_clear_error (&error);
7698 insert_text_data (text_view, &drop_point, selection_data);
7701 gtk_drag_finish (context, success,
7702 success && gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE,
7707 gtk_text_buffer_get_iter_at_mark (buffer,
7710 gtk_text_buffer_place_cursor (buffer, &drop_point);
7712 gtk_text_buffer_end_user_action (buffer);
7717 * gtk_text_view_get_hadjustment:
7718 * @text_view: a #GtkTextView
7720 * Gets the horizontal-scrolling #GtkAdjustment.
7722 * Returns: (transfer none): pointer to the horizontal #GtkAdjustment
7726 * Deprecated: 3.0: Use gtk_scrollable_get_hadjustment()
7729 gtk_text_view_get_hadjustment (GtkTextView *text_view)
7731 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7733 return text_view->priv->hadjustment;
7737 gtk_text_view_set_hadjustment (GtkTextView *text_view,
7738 GtkAdjustment *adjustment)
7740 GtkTextViewPrivate *priv = text_view->priv;
7742 if (adjustment && priv->hadjustment == adjustment)
7745 if (priv->hadjustment != NULL)
7747 g_signal_handlers_disconnect_by_func (priv->hadjustment,
7748 gtk_text_view_value_changed,
7750 g_object_unref (priv->hadjustment);
7753 if (adjustment == NULL)
7754 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
7756 g_signal_connect (adjustment, "value-changed",
7757 G_CALLBACK (gtk_text_view_value_changed), text_view);
7758 priv->hadjustment = g_object_ref_sink (adjustment);
7759 gtk_text_view_set_hadjustment_values (text_view);
7761 g_object_notify (G_OBJECT (text_view), "hadjustment");
7765 * gtk_text_view_get_vadjustment:
7766 * @text_view: a #GtkTextView
7768 * Gets the vertical-scrolling #GtkAdjustment.
7770 * Returns: (transfer none): pointer to the vertical #GtkAdjustment
7774 * Deprecated: 3.0: Use gtk_scrollable_get_vadjustment()
7777 gtk_text_view_get_vadjustment (GtkTextView *text_view)
7779 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7781 return text_view->priv->vadjustment;
7785 gtk_text_view_set_vadjustment (GtkTextView *text_view,
7786 GtkAdjustment *adjustment)
7788 GtkTextViewPrivate *priv = text_view->priv;
7790 if (adjustment && priv->vadjustment == adjustment)
7793 if (priv->vadjustment != NULL)
7795 g_signal_handlers_disconnect_by_func (priv->vadjustment,
7796 gtk_text_view_value_changed,
7798 g_object_unref (priv->vadjustment);
7801 if (adjustment == NULL)
7802 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
7804 g_signal_connect (adjustment, "value-changed",
7805 G_CALLBACK (gtk_text_view_value_changed), text_view);
7806 priv->vadjustment = g_object_ref_sink (adjustment);
7807 gtk_text_view_set_vadjustment_values (text_view);
7809 g_object_notify (G_OBJECT (text_view), "vadjustment");
7813 gtk_text_view_set_hadjustment_values (GtkTextView *text_view)
7815 GtkTextViewPrivate *priv;
7821 priv = text_view->priv;
7823 screen_width = SCREEN_WIDTH (text_view);
7824 old_value = gtk_adjustment_get_value (priv->hadjustment);
7825 new_upper = MAX (screen_width, priv->width);
7827 g_object_set (priv->hadjustment,
7830 "page-size", (gdouble)screen_width,
7831 "step-increment", screen_width * 0.1,
7832 "page-increment", screen_width * 0.9,
7835 new_value = CLAMP (old_value, 0, new_upper - screen_width);
7836 if (new_value != old_value)
7837 gtk_adjustment_set_value (priv->hadjustment, new_value);
7841 gtk_text_view_set_vadjustment_values (GtkTextView *text_view)
7843 GtkTextViewPrivate *priv;
7844 GtkTextIter first_para;
7851 priv = text_view->priv;
7853 screen_height = SCREEN_HEIGHT (text_view);
7854 old_value = gtk_adjustment_get_value (priv->vadjustment);
7855 new_upper = MAX (screen_height, priv->height);
7857 g_object_set (priv->vadjustment,
7860 "page-size", (gdouble)screen_height,
7861 "step-increment", screen_height * 0.1,
7862 "page-increment", screen_height * 0.9,
7865 /* Now adjust the value of the adjustment to keep the cursor at the
7866 * same place in the buffer */
7867 gtk_text_view_ensure_layout (text_view);
7868 gtk_text_view_get_first_para_iter (text_view, &first_para);
7869 gtk_text_layout_get_line_yrange (priv->layout, &first_para, &y, NULL);
7871 y += priv->first_para_pixels;
7873 new_value = CLAMP (y, 0, new_upper - screen_height);
7874 if (new_value != old_value)
7875 gtk_adjustment_set_value (priv->vadjustment, new_value);
7879 /* FIXME this adjust_allocation is a big cut-and-paste from
7880 * GtkCList, needs to be some "official" way to do this
7890 /* The window to which widget->window is relative */
7891 #define ALLOCATION_WINDOW(widget) \
7892 (!gtk_widget_get_has_window (widget) ? \
7893 gtk_widget_get_window (widget) : \
7894 gdk_window_get_parent (gtk_widget_get_window (widget)))
7897 adjust_allocation_recurse (GtkWidget *widget,
7900 GtkAllocation allocation;
7901 ScrollData *scroll_data = data;
7903 /* Need to really size allocate instead of just poking
7904 * into widget->allocation if the widget is not realized.
7905 * FIXME someone figure out why this was.
7907 gtk_widget_get_allocation (widget, &allocation);
7909 if (!gtk_widget_get_realized (widget))
7911 if (gtk_widget_get_visible (widget))
7913 GdkRectangle tmp_rectangle;
7915 tmp_rectangle = allocation;
7916 tmp_rectangle.x += scroll_data->dx;
7917 tmp_rectangle.y += scroll_data->dy;
7919 gtk_widget_size_allocate (widget, &tmp_rectangle);
7924 if (ALLOCATION_WINDOW (widget) == scroll_data->window)
7926 allocation.x += scroll_data->dx;
7927 allocation.y += scroll_data->dy;
7928 gtk_widget_set_allocation (widget, &allocation);
7930 if (GTK_IS_CONTAINER (widget))
7931 gtk_container_forall (GTK_CONTAINER (widget),
7932 adjust_allocation_recurse,
7939 adjust_allocation (GtkWidget *widget,
7943 ScrollData scroll_data;
7945 if (gtk_widget_get_realized (widget))
7946 scroll_data.window = ALLOCATION_WINDOW (widget);
7948 scroll_data.window = NULL;
7950 scroll_data.dx = dx;
7951 scroll_data.dy = dy;
7953 adjust_allocation_recurse (widget, &scroll_data);
7957 gtk_text_view_value_changed (GtkAdjustment *adjustment,
7958 GtkTextView *text_view)
7960 GtkTextViewPrivate *priv;
7966 priv = text_view->priv;
7968 /* Note that we oddly call this function with adjustment == NULL
7972 priv->onscreen_validated = FALSE;
7974 DV(g_print(">Scroll offset changed %s/%g, onscreen_validated = FALSE ("G_STRLOC")\n",
7975 adjustment == priv->hadjustment ? "hadjustment" : adjustment == priv->vadjustment ? "vadjustment" : "none",
7976 adjustment ? gtk_adjustment_get_value (adjustment) : 0.0));
7978 if (adjustment == priv->hadjustment)
7980 dx = priv->xoffset - (gint)gtk_adjustment_get_value (adjustment);
7981 priv->xoffset = gtk_adjustment_get_value (adjustment);
7983 /* If the change is due to a size change we need
7984 * to invalidate the entire text window because there might be
7985 * right-aligned or centered text
7987 if (priv->width_changed)
7989 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
7990 gdk_window_invalidate_rect (priv->text_window->bin_window, NULL, FALSE);
7992 priv->width_changed = FALSE;
7995 else if (adjustment == priv->vadjustment)
7997 dy = priv->yoffset - (gint)gtk_adjustment_get_value (adjustment);
7998 priv->yoffset = gtk_adjustment_get_value (adjustment);
8002 gtk_text_layout_get_line_at_y (priv->layout, &iter, gtk_adjustment_get_value (adjustment), &line_top);
8004 gtk_text_buffer_move_mark (get_buffer (text_view), priv->first_para_mark, &iter);
8006 priv->first_para_pixels = gtk_adjustment_get_value (adjustment) - line_top;
8010 if (dx != 0 || dy != 0)
8014 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
8018 if (priv->left_window)
8019 text_window_scroll (priv->left_window, 0, dy);
8020 if (priv->right_window)
8021 text_window_scroll (priv->right_window, 0, dy);
8026 if (priv->top_window)
8027 text_window_scroll (priv->top_window, dx, 0);
8028 if (priv->bottom_window)
8029 text_window_scroll (priv->bottom_window, dx, 0);
8032 /* It looks nicer to scroll the main area last, because
8033 * it takes a while, and making the side areas update
8034 * afterward emphasizes the slowness of scrolling the
8037 text_window_scroll (priv->text_window, dx, dy);
8040 /* Children are now "moved" in the text window, poke
8041 * into widget->allocation for each child
8043 tmp_list = priv->children;
8044 while (tmp_list != NULL)
8046 GtkTextViewChild *child = tmp_list->data;
8049 adjust_allocation (child->widget, dx, dy);
8051 tmp_list = g_slist_next (tmp_list);
8055 /* This could result in invalidation, which would install the
8056 * first_validate_idle, which would validate onscreen;
8057 * but we're going to go ahead and validate here, so
8058 * first_validate_idle shouldn't have anything to do.
8060 gtk_text_view_update_layout_width (text_view);
8062 /* We also update the IM spot location here, since the IM context
8063 * might do something that leads to validation.
8065 gtk_text_view_update_im_spot_location (text_view);
8067 /* note that validation of onscreen could invoke this function
8068 * recursively, by scrolling to maintain first_para, or in response
8069 * to updating the layout width, however there is no problem with
8070 * that, or shouldn't be.
8072 gtk_text_view_validate_onscreen (text_view);
8074 /* If this got installed, get rid of it, it's just a waste of time. */
8075 if (priv->first_validate_idle != 0)
8077 g_source_remove (priv->first_validate_idle);
8078 priv->first_validate_idle = 0;
8081 /* Finally we update the IM cursor location again, to ensure any
8082 * changes made by the validation are pushed through.
8084 gtk_text_view_update_im_spot_location (text_view);
8086 gtk_text_view_update_handles (text_view,
8087 _gtk_text_handle_get_mode (priv->text_handle));
8089 DV(g_print(">End scroll offset changed handler ("G_STRLOC")\n"));
8093 gtk_text_view_commit_handler (GtkIMContext *context,
8095 GtkTextView *text_view)
8097 gtk_text_view_commit_text (text_view, str);
8101 gtk_text_view_commit_text (GtkTextView *text_view,
8104 GtkTextViewPrivate *priv;
8105 gboolean had_selection;
8107 priv = text_view->priv;
8109 gtk_text_buffer_begin_user_action (get_buffer (text_view));
8111 had_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
8114 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
8117 if (!strcmp (str, "\n"))
8119 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), "\n", 1,
8122 gtk_widget_error_bell (GTK_WIDGET (text_view));
8127 if (!had_selection && priv->overwrite_mode)
8131 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8133 gtk_text_buffer_get_insert (get_buffer (text_view)));
8134 if (!gtk_text_iter_ends_line (&insert))
8135 gtk_text_view_delete_from_cursor (text_view, GTK_DELETE_CHARS, 1);
8138 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
8141 gtk_widget_error_bell (GTK_WIDGET (text_view));
8145 gtk_text_buffer_end_user_action (get_buffer (text_view));
8147 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
8148 DV(g_print (G_STRLOC": scrolling onscreen\n"));
8149 gtk_text_view_scroll_mark_onscreen (text_view,
8150 gtk_text_buffer_get_insert (get_buffer (text_view)));
8154 gtk_text_view_preedit_changed_handler (GtkIMContext *context,
8155 GtkTextView *text_view)
8157 GtkTextViewPrivate *priv;
8159 PangoAttrList *attrs;
8163 priv = text_view->priv;
8165 gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
8166 gtk_text_buffer_get_insert (priv->buffer));
8168 /* Keypress events are passed to input method even if cursor position is
8169 * not editable; so beep here if it's multi-key input sequence, input
8170 * method will be reset in key-press-event handler.
8172 gtk_im_context_get_preedit_string (context, &str, &attrs, &cursor_pos);
8174 if (str && str[0] && !gtk_text_iter_can_insert (&iter, priv->editable))
8176 gtk_widget_error_bell (GTK_WIDGET (text_view));
8180 g_signal_emit (text_view, signals[PREEDIT_CHANGED], 0, str);
8183 gtk_text_layout_set_preedit_string (priv->layout, str, attrs, cursor_pos);
8184 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
8185 gtk_text_view_scroll_mark_onscreen (text_view,
8186 gtk_text_buffer_get_insert (get_buffer (text_view)));
8189 pango_attr_list_unref (attrs);
8194 gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
8195 GtkTextView *text_view)
8202 gtk_text_buffer_get_iter_at_mark (text_view->priv->buffer, &start,
8203 gtk_text_buffer_get_insert (text_view->priv->buffer));
8206 pos = gtk_text_iter_get_line_index (&start);
8207 gtk_text_iter_set_line_offset (&start, 0);
8208 gtk_text_iter_forward_to_line_end (&end);
8210 text = gtk_text_iter_get_slice (&start, &end);
8211 gtk_im_context_set_surrounding (context, text, -1, pos);
8218 gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
8221 GtkTextView *text_view)
8223 GtkTextViewPrivate *priv;
8227 priv = text_view->priv;
8229 gtk_text_buffer_get_iter_at_mark (priv->buffer, &start,
8230 gtk_text_buffer_get_insert (priv->buffer));
8233 gtk_text_iter_forward_chars (&start, offset);
8234 gtk_text_iter_forward_chars (&end, offset + n_chars);
8236 gtk_text_buffer_delete_interactive (priv->buffer, &start, &end,
8243 gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
8244 const GtkTextIter *location,
8248 GtkTextView *text_view = GTK_TEXT_VIEW (data);
8249 gboolean need_reset = FALSE;
8251 if (mark == gtk_text_buffer_get_insert (buffer))
8253 text_view->priv->virtual_cursor_x = -1;
8254 text_view->priv->virtual_cursor_y = -1;
8255 gtk_text_view_update_im_spot_location (text_view);
8258 else if (mark == gtk_text_buffer_get_selection_bound (buffer))
8265 gtk_text_view_reset_im_context (text_view);
8266 gtk_text_view_update_handles (text_view,
8267 _gtk_text_handle_get_mode (text_view->priv->text_handle));
8272 gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
8273 const GParamSpec *pspec,
8276 GtkWidget *widget = GTK_WIDGET (data);
8277 GtkTargetList *view_list;
8278 GtkTargetList *buffer_list;
8281 view_list = gtk_drag_dest_get_target_list (widget);
8282 buffer_list = gtk_text_buffer_get_paste_target_list (buffer);
8285 gtk_target_list_ref (view_list);
8287 view_list = gtk_target_list_new (NULL, 0);
8289 list = view_list->list;
8292 GtkTargetPair *pair = list->data;
8294 list = g_list_next (list); /* get next element before removing */
8296 if (pair->info >= GTK_TEXT_BUFFER_TARGET_INFO_TEXT &&
8297 pair->info <= GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
8299 gtk_target_list_remove (view_list, pair->target);
8303 for (list = buffer_list->list; list; list = g_list_next (list))
8305 GtkTargetPair *pair = list->data;
8307 gtk_target_list_add (view_list, pair->target, pair->flags, pair->info);
8310 gtk_drag_dest_set_target_list (widget, view_list);
8311 gtk_target_list_unref (view_list);
8315 gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
8316 GtkTextIter *cursor,
8320 GtkTextViewPrivate *priv;
8324 priv = text_view->priv;
8329 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
8330 gtk_text_buffer_get_insert (get_buffer (text_view)));
8332 if ((x && priv->virtual_cursor_x == -1) ||
8333 (y && priv->virtual_cursor_y == -1))
8334 gtk_text_layout_get_cursor_locations (priv->layout, &insert, &pos, NULL);
8338 if (priv->virtual_cursor_x != -1)
8339 *x = priv->virtual_cursor_x;
8346 if (priv->virtual_cursor_x != -1)
8347 *y = priv->virtual_cursor_y;
8349 *y = pos.y + pos.height / 2;
8354 gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
8360 if (!text_view->priv->layout)
8363 if (x == -1 || y == -1)
8364 gtk_text_view_get_cursor_locations (text_view, NULL, &pos, NULL);
8366 text_view->priv->virtual_cursor_x = (x == -1) ? pos.x : x;
8367 text_view->priv->virtual_cursor_y = (y == -1) ? pos.y + pos.height / 2 : y;
8370 /* Quick hack of a popup menu
8373 activate_cb (GtkWidget *menuitem,
8374 GtkTextView *text_view)
8376 const gchar *signal = g_object_get_data (G_OBJECT (menuitem), "gtk-signal");
8377 g_signal_emit_by_name (text_view, signal);
8381 append_action_signal (GtkTextView *text_view,
8383 const gchar *stock_id,
8384 const gchar *signal,
8387 GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
8389 g_object_set_data (G_OBJECT (menuitem), I_("gtk-signal"), (char *)signal);
8390 g_signal_connect (menuitem, "activate",
8391 G_CALLBACK (activate_cb), text_view);
8393 gtk_widget_set_sensitive (menuitem, sensitive);
8395 gtk_widget_show (menuitem);
8396 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
8400 gtk_text_view_select_all (GtkWidget *widget,
8403 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
8404 GtkTextBuffer *buffer;
8405 GtkTextIter start_iter, end_iter, insert;
8407 buffer = text_view->priv->buffer;
8410 gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
8411 gtk_text_buffer_select_range (buffer, &start_iter, &end_iter);
8415 gtk_text_buffer_get_iter_at_mark (buffer, &insert,
8416 gtk_text_buffer_get_insert (buffer));
8417 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &insert);
8422 select_all_cb (GtkWidget *menuitem,
8423 GtkTextView *text_view)
8425 gtk_text_view_select_all (GTK_WIDGET (text_view), TRUE);
8429 delete_cb (GtkTextView *text_view)
8431 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
8432 text_view->priv->editable);
8436 popup_menu_detach (GtkWidget *attach_widget,
8439 GTK_TEXT_VIEW (attach_widget)->priv->popup_menu = NULL;
8443 popup_position_func (GtkMenu *menu,
8449 GtkAllocation allocation;
8450 GtkTextView *text_view;
8452 GdkRectangle cursor_rect;
8453 GdkRectangle onscreen_rect;
8454 gint root_x, root_y;
8459 GdkRectangle monitor;
8461 text_view = GTK_TEXT_VIEW (user_data);
8462 widget = GTK_WIDGET (text_view);
8464 g_return_if_fail (gtk_widget_get_realized (widget));
8466 screen = gtk_widget_get_screen (widget);
8468 gdk_window_get_origin (gtk_widget_get_window (widget),
8471 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8473 gtk_text_buffer_get_insert (get_buffer (text_view)));
8475 gtk_text_view_get_iter_location (text_view,
8479 gtk_text_view_get_visible_rect (text_view, &onscreen_rect);
8481 gtk_widget_get_preferred_size (text_view->priv->popup_menu,
8484 gtk_widget_get_allocation (widget, &allocation);
8486 /* can't use rectangle_intersect since cursor rect can have 0 width */
8487 if (cursor_rect.x >= onscreen_rect.x &&
8488 cursor_rect.x < onscreen_rect.x + onscreen_rect.width &&
8489 cursor_rect.y >= onscreen_rect.y &&
8490 cursor_rect.y < onscreen_rect.y + onscreen_rect.height)
8492 gtk_text_view_buffer_to_window_coords (text_view,
8493 GTK_TEXT_WINDOW_WIDGET,
8494 cursor_rect.x, cursor_rect.y,
8495 &cursor_rect.x, &cursor_rect.y);
8497 *x = root_x + cursor_rect.x + cursor_rect.width;
8498 *y = root_y + cursor_rect.y + cursor_rect.height;
8502 /* Just center the menu, since cursor is offscreen. */
8503 *x = root_x + (allocation.width / 2 - req.width / 2);
8504 *y = root_y + (allocation.height / 2 - req.height / 2);
8508 *x = CLAMP (*x, root_x, (root_x + allocation.width));
8509 *y = CLAMP (*y, root_y, (root_y + allocation.height));
8511 monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
8512 gtk_menu_set_monitor (menu, monitor_num);
8513 gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
8515 *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
8516 *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));
8523 GtkTextView *text_view;
8530 range_contains_editable_text (const GtkTextIter *start,
8531 const GtkTextIter *end,
8532 gboolean default_editability)
8534 GtkTextIter iter = *start;
8536 while (gtk_text_iter_compare (&iter, end) < 0)
8538 if (gtk_text_iter_editable (&iter, default_editability))
8541 gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
8548 unichar_chosen_func (const char *text,
8551 GtkTextView *text_view = GTK_TEXT_VIEW (data);
8553 gtk_text_view_commit_text (text_view, text);
8557 popup_targets_received (GtkClipboard *clipboard,
8558 GtkSelectionData *data,
8561 PopupInfo *info = user_data;
8562 GtkTextView *text_view;
8563 GtkTextViewPrivate *priv;
8565 text_view = info->text_view;
8566 priv = text_view->priv;
8568 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
8570 /* We implicitely rely here on the fact that if we are pasting ourself, we'll
8571 * have text targets as well as the private GTK_TEXT_BUFFER_CONTENTS target.
8573 gboolean clipboard_contains_text;
8574 GtkWidget *menuitem;
8576 gboolean have_selection;
8577 gboolean can_insert;
8579 GtkTextIter sel_start, sel_end;
8580 gboolean show_input_method_menu;
8581 gboolean show_unicode_menu;
8583 clipboard_contains_text = gtk_selection_data_targets_include_text (data);
8585 if (priv->popup_menu)
8586 gtk_widget_destroy (priv->popup_menu);
8588 priv->popup_menu = gtk_menu_new ();
8590 gtk_menu_attach_to_widget (GTK_MENU (priv->popup_menu),
8591 GTK_WIDGET (text_view),
8594 have_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
8595 &sel_start, &sel_end);
8597 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8599 gtk_text_buffer_get_insert (get_buffer (text_view)));
8601 can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
8603 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_CUT, "cut-clipboard",
8605 range_contains_editable_text (&sel_start, &sel_end,
8607 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_COPY, "copy-clipboard",
8609 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_PASTE, "paste-clipboard",
8610 can_insert && clipboard_contains_text);
8612 menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_DELETE, NULL);
8613 gtk_widget_set_sensitive (menuitem,
8615 range_contains_editable_text (&sel_start, &sel_end,
8617 g_signal_connect_swapped (menuitem, "activate",
8618 G_CALLBACK (delete_cb), text_view);
8619 gtk_widget_show (menuitem);
8620 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8622 menuitem = gtk_separator_menu_item_new ();
8623 gtk_widget_show (menuitem);
8624 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8626 menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
8627 gtk_widget_set_sensitive (menuitem,
8628 gtk_text_buffer_get_char_count (priv->buffer) > 0);
8629 g_signal_connect (menuitem, "activate",
8630 G_CALLBACK (select_all_cb), text_view);
8631 gtk_widget_show (menuitem);
8632 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8634 g_object_get (gtk_widget_get_settings (GTK_WIDGET (text_view)),
8635 "gtk-show-input-method-menu", &show_input_method_menu,
8636 "gtk-show-unicode-menu", &show_unicode_menu,
8639 if (show_input_method_menu || show_unicode_menu)
8641 menuitem = gtk_separator_menu_item_new ();
8642 gtk_widget_show (menuitem);
8643 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8646 if (show_input_method_menu)
8648 menuitem = gtk_menu_item_new_with_mnemonic (_("Input _Methods"));
8649 gtk_widget_show (menuitem);
8650 gtk_widget_set_sensitive (menuitem, can_insert);
8652 submenu = gtk_menu_new ();
8653 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
8654 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8656 gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (priv->im_context),
8657 GTK_MENU_SHELL (submenu));
8660 if (show_unicode_menu)
8662 menuitem = gtk_menu_item_new_with_mnemonic (_("_Insert Unicode Control Character"));
8663 gtk_widget_show (menuitem);
8664 gtk_widget_set_sensitive (menuitem, can_insert);
8666 submenu = gtk_menu_new ();
8667 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
8668 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8670 _gtk_text_util_append_special_char_menuitems (GTK_MENU_SHELL (submenu),
8671 unichar_chosen_func,
8675 g_signal_emit (text_view,
8676 signals[POPULATE_POPUP],
8681 gtk_menu_popup_for_device (GTK_MENU (priv->popup_menu),
8682 info->device, NULL, NULL, NULL, NULL, NULL,
8683 info->button, info->time);
8686 gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,
8687 popup_position_func, text_view,
8688 0, gtk_get_current_event_time ());
8689 gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->popup_menu), FALSE);
8693 g_object_unref (text_view);
8698 gtk_text_view_do_popup (GtkTextView *text_view,
8699 GdkEventButton *event)
8701 PopupInfo *info = g_new (PopupInfo, 1);
8703 /* In order to know what entries we should make sensitive, we
8704 * ask for the current targets of the clipboard, and when
8705 * we get them, then we actually pop up the menu.
8707 info->text_view = g_object_ref (text_view);
8711 info->button = event->button;
8712 info->time = event->time;
8713 info->device = event->device;
8718 info->time = gtk_get_current_event_time ();
8719 info->device = NULL;
8722 gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (text_view),
8723 GDK_SELECTION_CLIPBOARD),
8724 gdk_atom_intern_static_string ("TARGETS"),
8725 popup_targets_received,
8730 gtk_text_view_popup_menu (GtkWidget *widget)
8732 gtk_text_view_do_popup (GTK_TEXT_VIEW (widget), NULL);
8737 gtk_text_view_get_selection_rect (GtkTextView *text_view,
8738 cairo_rectangle_int_t *rect)
8740 cairo_rectangle_int_t rect_cursor, rect_bound;
8741 GtkTextIter cursor, bound;
8742 GtkTextBuffer *buffer;
8743 gint x1, y1, x2, y2;
8745 buffer = get_buffer (text_view);
8746 gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
8747 gtk_text_buffer_get_insert (buffer));
8748 gtk_text_buffer_get_iter_at_mark (buffer, &bound,
8749 gtk_text_buffer_get_selection_bound (buffer));
8751 gtk_text_view_get_cursor_locations (text_view, &cursor, &rect_cursor, NULL);
8752 gtk_text_view_get_cursor_locations (text_view, &bound, &rect_bound, NULL);
8754 x1 = MIN (rect_cursor.x, rect_bound.x);
8755 x2 = MAX (rect_cursor.x, rect_bound.x);
8756 y1 = MIN (rect_cursor.y, rect_bound.y);
8757 y2 = MAX (rect_cursor.y + rect_cursor.height, rect_bound.y + rect_bound.height);
8761 rect->width = x2 - x1;
8762 rect->height = y2 - y1;
8766 gtk_text_view_selection_bubble_popup_cb (gpointer user_data)
8768 GtkTextView *text_view = user_data;
8769 GtkTextViewPrivate *priv = text_view->priv;
8770 cairo_rectangle_int_t rect;
8771 gboolean has_selection;
8774 has_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
8776 if (!priv->editable && !has_selection)
8778 priv->selection_bubble_timeout_id = 0;
8782 if (priv->selection_bubble)
8783 gtk_widget_destroy (priv->selection_bubble);
8785 window = gtk_widget_get_window (GTK_WIDGET (text_view));
8786 priv->selection_bubble = gtk_selection_window_new ();
8787 gtk_selection_window_set_editable (GTK_SELECTION_WINDOW (priv->selection_bubble),
8789 gtk_selection_window_set_has_selection (GTK_SELECTION_WINDOW (priv->selection_bubble),
8792 g_signal_connect_swapped (priv->selection_bubble, "cut",
8793 G_CALLBACK (gtk_text_view_cut_clipboard),
8795 g_signal_connect_swapped (priv->selection_bubble, "copy",
8796 G_CALLBACK (gtk_text_view_copy_clipboard),
8798 g_signal_connect_swapped (priv->selection_bubble, "paste",
8799 G_CALLBACK (gtk_text_view_paste_clipboard),
8802 gtk_text_view_get_selection_rect (text_view, &rect);
8803 rect.x -= priv->xoffset;
8804 rect.y -= priv->yoffset;
8805 gtk_bubble_window_popup (GTK_BUBBLE_WINDOW (priv->selection_bubble),
8806 window, &rect, GTK_POS_TOP);
8808 priv->selection_bubble_timeout_id = 0;
8813 gtk_text_view_selection_bubble_popup_unset (GtkTextView *text_view)
8815 GtkTextViewPrivate *priv;
8817 priv = text_view->priv;
8819 if (priv->selection_bubble)
8820 gtk_bubble_window_popdown (GTK_BUBBLE_WINDOW (priv->selection_bubble));
8822 if (priv->selection_bubble_timeout_id)
8824 g_source_remove (priv->selection_bubble_timeout_id);
8825 priv->selection_bubble_timeout_id = 0;
8830 gtk_text_view_selection_bubble_popup_set (GtkTextView *text_view)
8832 GtkTextViewPrivate *priv;
8834 priv = text_view->priv;
8836 if (priv->selection_bubble_timeout_id)
8837 g_source_remove (priv->selection_bubble_timeout_id);
8839 priv->selection_bubble_timeout_id =
8840 gdk_threads_add_timeout_seconds (1, gtk_text_view_selection_bubble_popup_cb,
8844 /* Child GdkWindows */
8847 static GtkTextWindow*
8848 text_window_new (GtkTextWindowType type,
8851 gint height_request)
8855 win = g_new (GtkTextWindow, 1);
8858 win->widget = widget;
8860 win->bin_window = NULL;
8861 win->requisition.width = width_request;
8862 win->requisition.height = height_request;
8863 win->allocation.width = width_request;
8864 win->allocation.height = height_request;
8865 win->allocation.x = 0;
8866 win->allocation.y = 0;
8872 text_window_free (GtkTextWindow *win)
8875 text_window_unrealize (win);
8881 text_window_realize (GtkTextWindow *win,
8884 GtkStyleContext *context;
8885 GtkStateFlags state;
8887 GdkWindowAttr attributes;
8888 gint attributes_mask;
8892 attributes.window_type = GDK_WINDOW_CHILD;
8893 attributes.x = win->allocation.x;
8894 attributes.y = win->allocation.y;
8895 attributes.width = win->allocation.width;
8896 attributes.height = win->allocation.height;
8897 attributes.wclass = GDK_INPUT_OUTPUT;
8898 attributes.visual = gtk_widget_get_visual (win->widget);
8899 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
8901 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
8903 window = gtk_widget_get_window (widget);
8905 win->window = gdk_window_new (window,
8906 &attributes, attributes_mask);
8908 gdk_window_show (win->window);
8909 gtk_widget_register_window (win->widget, win->window);
8910 gdk_window_lower (win->window);
8914 attributes.width = win->allocation.width;
8915 attributes.height = win->allocation.height;
8916 attributes.event_mask = (GDK_EXPOSURE_MASK |
8918 GDK_SMOOTH_SCROLL_MASK |
8919 GDK_KEY_PRESS_MASK |
8920 GDK_BUTTON_PRESS_MASK |
8921 GDK_BUTTON_RELEASE_MASK |
8922 GDK_POINTER_MOTION_MASK |
8923 GDK_POINTER_MOTION_HINT_MASK |
8924 gtk_widget_get_events (win->widget));
8926 win->bin_window = gdk_window_new (win->window,
8930 gdk_window_show (win->bin_window);
8931 gtk_widget_register_window (win->widget, win->bin_window);
8933 context = gtk_widget_get_style_context (widget);
8934 state = gtk_widget_get_state_flags (widget);
8936 if (win->type == GTK_TEXT_WINDOW_TEXT)
8938 if (gtk_widget_is_sensitive (widget))
8941 cursor = gdk_cursor_new_for_display (gdk_window_get_display (window),
8943 gdk_window_set_cursor (win->bin_window, cursor);
8944 g_object_unref (cursor);
8947 gtk_im_context_set_client_window (GTK_TEXT_VIEW (widget)->priv->im_context,
8950 gtk_style_context_save (context);
8951 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
8953 gtk_style_context_get_background_color (context, state, &color);
8954 gdk_window_set_background_rgba (win->bin_window, &color);
8956 gtk_style_context_restore (context);
8960 gtk_style_context_get_background_color (context, state, &color);
8961 gdk_window_set_background_rgba (win->bin_window, &color);
8964 g_object_set_qdata (G_OBJECT (win->window),
8965 g_quark_from_static_string ("gtk-text-view-text-window"),
8968 g_object_set_qdata (G_OBJECT (win->bin_window),
8969 g_quark_from_static_string ("gtk-text-view-text-window"),
8974 text_window_unrealize (GtkTextWindow *win)
8976 if (win->type == GTK_TEXT_WINDOW_TEXT)
8978 gtk_im_context_set_client_window (GTK_TEXT_VIEW (win->widget)->priv->im_context,
8982 gtk_widget_unregister_window (win->widget, win->window);
8983 gtk_widget_unregister_window (win->widget, win->bin_window);
8984 gdk_window_destroy (win->bin_window);
8985 gdk_window_destroy (win->window);
8987 win->bin_window = NULL;
8991 text_window_size_allocate (GtkTextWindow *win,
8994 win->allocation = *rect;
8998 gdk_window_move_resize (win->window,
9000 rect->width, rect->height);
9002 gdk_window_resize (win->bin_window,
9003 rect->width, rect->height);
9008 text_window_scroll (GtkTextWindow *win,
9012 if (dx != 0 || dy != 0)
9014 gdk_window_scroll (win->bin_window, dx, dy);
9019 text_window_invalidate_rect (GtkTextWindow *win,
9022 GdkRectangle window_rect;
9024 gtk_text_view_buffer_to_window_coords (GTK_TEXT_VIEW (win->widget),
9031 window_rect.width = rect->width;
9032 window_rect.height = rect->height;
9034 /* Adjust the rect as appropriate */
9038 case GTK_TEXT_WINDOW_TEXT:
9041 case GTK_TEXT_WINDOW_LEFT:
9042 case GTK_TEXT_WINDOW_RIGHT:
9044 window_rect.width = win->allocation.width;
9047 case GTK_TEXT_WINDOW_TOP:
9048 case GTK_TEXT_WINDOW_BOTTOM:
9050 window_rect.height = win->allocation.height;
9054 g_warning ("%s: bug!", G_STRFUNC);
9059 gdk_window_invalidate_rect (win->bin_window, &window_rect, FALSE);
9063 cairo_t *cr = gdk_cairo_create (win->bin_window);
9064 gdk_cairo_rectangle (cr, &window_rect);
9065 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */
9073 text_window_invalidate_cursors (GtkTextWindow *win)
9075 GtkTextView *text_view;
9076 GtkTextViewPrivate *priv;
9078 GdkRectangle strong;
9080 gboolean draw_arrow;
9081 gfloat cursor_aspect_ratio;
9085 text_view = GTK_TEXT_VIEW (win->widget);
9086 priv = text_view->priv;
9088 gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
9089 gtk_text_buffer_get_insert (priv->buffer));
9091 if (_gtk_text_layout_get_block_cursor (priv->layout, &strong))
9093 text_window_invalidate_rect (win, &strong);
9097 gtk_text_layout_get_cursor_locations (priv->layout, &iter,
9100 /* cursor width calculation as in gtkstylecontext.c:draw_insertion_cursor(),
9101 * ignoring the text direction be exposing both sides of the cursor
9104 draw_arrow = (strong.x != weak.x || strong.y != weak.y);
9106 gtk_widget_style_get (win->widget,
9107 "cursor-aspect-ratio", &cursor_aspect_ratio,
9110 stem_width = strong.height * cursor_aspect_ratio + 1;
9111 arrow_width = stem_width + 1;
9113 strong.width = stem_width;
9115 /* round up to the next even number */
9119 strong.x -= stem_width / 2;
9120 strong.width += stem_width;
9124 strong.x -= arrow_width;
9125 strong.width += arrow_width * 2;
9128 text_window_invalidate_rect (win, &strong);
9130 if (draw_arrow) /* == have weak */
9132 stem_width = weak.height * cursor_aspect_ratio + 1;
9133 arrow_width = stem_width + 1;
9135 weak.width = stem_width;
9137 /* round up to the next even number */
9141 weak.x -= stem_width / 2;
9142 weak.width += stem_width;
9144 weak.x -= arrow_width;
9145 weak.width += arrow_width * 2;
9147 text_window_invalidate_rect (win, &weak);
9152 text_window_get_width (GtkTextWindow *win)
9154 return win->allocation.width;
9158 text_window_get_height (GtkTextWindow *win)
9160 return win->allocation.height;
9167 * gtk_text_view_get_window:
9168 * @text_view: a #GtkTextView
9169 * @win: window to get
9171 * Retrieves the #GdkWindow corresponding to an area of the text view;
9172 * possible windows include the overall widget window, child windows
9173 * on the left, right, top, bottom, and the window that displays the
9174 * text buffer. Windows are %NULL and nonexistent if their width or
9175 * height is 0, and are nonexistent before the widget has been
9178 * Return value: (transfer none): a #GdkWindow, or %NULL
9181 gtk_text_view_get_window (GtkTextView *text_view,
9182 GtkTextWindowType win)
9184 GtkTextViewPrivate *priv = text_view->priv;
9186 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
9190 case GTK_TEXT_WINDOW_WIDGET:
9191 return gtk_widget_get_window (GTK_WIDGET (text_view));
9194 case GTK_TEXT_WINDOW_TEXT:
9195 return priv->text_window->bin_window;
9198 case GTK_TEXT_WINDOW_LEFT:
9199 if (priv->left_window)
9200 return priv->left_window->bin_window;
9205 case GTK_TEXT_WINDOW_RIGHT:
9206 if (priv->right_window)
9207 return priv->right_window->bin_window;
9212 case GTK_TEXT_WINDOW_TOP:
9213 if (priv->top_window)
9214 return priv->top_window->bin_window;
9219 case GTK_TEXT_WINDOW_BOTTOM:
9220 if (priv->bottom_window)
9221 return priv->bottom_window->bin_window;
9226 case GTK_TEXT_WINDOW_PRIVATE:
9227 g_warning ("%s: You can't get GTK_TEXT_WINDOW_PRIVATE, it has \"PRIVATE\" in the name because it is private.", G_STRFUNC);
9232 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9237 * gtk_text_view_get_window_type:
9238 * @text_view: a #GtkTextView
9239 * @window: a window type
9241 * Usually used to find out which window an event corresponds to.
9242 * If you connect to an event signal on @text_view, this function
9243 * should be called on <literal>event->window</literal> to
9244 * see which window it was.
9246 * Return value: the window type.
9249 gtk_text_view_get_window_type (GtkTextView *text_view,
9254 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
9255 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
9257 if (window == gtk_widget_get_window (GTK_WIDGET (text_view)))
9258 return GTK_TEXT_WINDOW_WIDGET;
9260 win = g_object_get_qdata (G_OBJECT (window),
9261 g_quark_try_string ("gtk-text-view-text-window"));
9267 return GTK_TEXT_WINDOW_PRIVATE;
9272 buffer_to_widget (GtkTextView *text_view,
9278 GtkTextViewPrivate *priv = text_view->priv;
9282 *window_x = buffer_x - priv->xoffset;
9283 *window_x += priv->text_window->allocation.x;
9288 *window_y = buffer_y - priv->yoffset;
9289 *window_y += priv->text_window->allocation.y;
9294 widget_to_text_window (GtkTextWindow *win,
9301 *window_x = widget_x - win->allocation.x;
9304 *window_y = widget_y - win->allocation.y;
9308 buffer_to_text_window (GtkTextView *text_view,
9317 g_warning ("Attempt to convert text buffer coordinates to coordinates "
9318 "for a nonexistent or private child window of GtkTextView");
9322 buffer_to_widget (text_view,
9324 window_x, window_y);
9326 widget_to_text_window (win,
9327 window_x ? *window_x : 0,
9328 window_y ? *window_y : 0,
9334 * gtk_text_view_buffer_to_window_coords:
9335 * @text_view: a #GtkTextView
9336 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
9337 * @buffer_x: buffer x coordinate
9338 * @buffer_y: buffer y coordinate
9339 * @window_x: (out) (allow-none): window x coordinate return location or %NULL
9340 * @window_y: (out) (allow-none): window y coordinate return location or %NULL
9342 * Converts coordinate (@buffer_x, @buffer_y) to coordinates for the window
9343 * @win, and stores the result in (@window_x, @window_y).
9345 * Note that you can't convert coordinates for a nonexisting window (see
9346 * gtk_text_view_set_border_window_size()).
9349 gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
9350 GtkTextWindowType win,
9356 GtkTextViewPrivate *priv = text_view->priv;
9358 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9362 case GTK_TEXT_WINDOW_WIDGET:
9363 buffer_to_widget (text_view,
9365 window_x, window_y);
9368 case GTK_TEXT_WINDOW_TEXT:
9370 *window_x = buffer_x - priv->xoffset;
9372 *window_y = buffer_y - priv->yoffset;
9375 case GTK_TEXT_WINDOW_LEFT:
9376 buffer_to_text_window (text_view,
9379 window_x, window_y);
9382 case GTK_TEXT_WINDOW_RIGHT:
9383 buffer_to_text_window (text_view,
9386 window_x, window_y);
9389 case GTK_TEXT_WINDOW_TOP:
9390 buffer_to_text_window (text_view,
9393 window_x, window_y);
9396 case GTK_TEXT_WINDOW_BOTTOM:
9397 buffer_to_text_window (text_view,
9398 priv->bottom_window,
9400 window_x, window_y);
9403 case GTK_TEXT_WINDOW_PRIVATE:
9404 g_warning ("%s: can't get coords for private windows", G_STRFUNC);
9408 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9414 widget_to_buffer (GtkTextView *text_view,
9420 GtkTextViewPrivate *priv = text_view->priv;
9424 *buffer_x = widget_x + priv->xoffset;
9425 *buffer_x -= priv->text_window->allocation.x;
9430 *buffer_y = widget_y + priv->yoffset;
9431 *buffer_y -= priv->text_window->allocation.y;
9436 text_window_to_widget (GtkTextWindow *win,
9443 *widget_x = window_x + win->allocation.x;
9446 *widget_y = window_y + win->allocation.y;
9450 text_window_to_buffer (GtkTextView *text_view,
9459 g_warning ("Attempt to convert GtkTextView buffer coordinates into "
9460 "coordinates for a nonexistent child window.");
9464 text_window_to_widget (win,
9470 widget_to_buffer (text_view,
9471 buffer_x ? *buffer_x : 0,
9472 buffer_y ? *buffer_y : 0,
9478 * gtk_text_view_window_to_buffer_coords:
9479 * @text_view: a #GtkTextView
9480 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
9481 * @window_x: window x coordinate
9482 * @window_y: window y coordinate
9483 * @buffer_x: (out) (allow-none): buffer x coordinate return location or %NULL
9484 * @buffer_y: (out) (allow-none): buffer y coordinate return location or %NULL
9486 * Converts coordinates on the window identified by @win to buffer
9487 * coordinates, storing the result in (@buffer_x,@buffer_y).
9489 * Note that you can't convert coordinates for a nonexisting window (see
9490 * gtk_text_view_set_border_window_size()).
9493 gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
9494 GtkTextWindowType win,
9500 GtkTextViewPrivate *priv = text_view->priv;
9502 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9506 case GTK_TEXT_WINDOW_WIDGET:
9507 widget_to_buffer (text_view,
9509 buffer_x, buffer_y);
9512 case GTK_TEXT_WINDOW_TEXT:
9514 *buffer_x = window_x + priv->xoffset;
9516 *buffer_y = window_y + priv->yoffset;
9519 case GTK_TEXT_WINDOW_LEFT:
9520 text_window_to_buffer (text_view,
9523 buffer_x, buffer_y);
9526 case GTK_TEXT_WINDOW_RIGHT:
9527 text_window_to_buffer (text_view,
9530 buffer_x, buffer_y);
9533 case GTK_TEXT_WINDOW_TOP:
9534 text_window_to_buffer (text_view,
9537 buffer_x, buffer_y);
9540 case GTK_TEXT_WINDOW_BOTTOM:
9541 text_window_to_buffer (text_view,
9542 priv->bottom_window,
9544 buffer_x, buffer_y);
9547 case GTK_TEXT_WINDOW_PRIVATE:
9548 g_warning ("%s: can't get coords for private windows", G_STRFUNC);
9552 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9558 set_window_width (GtkTextView *text_view,
9560 GtkTextWindowType type,
9561 GtkTextWindow **winp)
9567 text_window_free (*winp);
9569 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9576 *winp = text_window_new (type,
9577 GTK_WIDGET (text_view),
9579 /* if the widget is already realized we need to realize the child manually */
9580 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9581 text_window_realize (*winp, GTK_WIDGET (text_view));
9585 if ((*winp)->requisition.width == width)
9588 (*winp)->requisition.width = width;
9591 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9597 set_window_height (GtkTextView *text_view,
9599 GtkTextWindowType type,
9600 GtkTextWindow **winp)
9606 text_window_free (*winp);
9608 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9615 *winp = text_window_new (type,
9616 GTK_WIDGET (text_view),
9619 /* if the widget is already realized we need to realize the child manually */
9620 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9621 text_window_realize (*winp, GTK_WIDGET (text_view));
9625 if ((*winp)->requisition.height == height)
9628 (*winp)->requisition.height = height;
9631 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9636 * gtk_text_view_set_border_window_size:
9637 * @text_view: a #GtkTextView
9638 * @type: window to affect
9639 * @size: width or height of the window
9641 * Sets the width of %GTK_TEXT_WINDOW_LEFT or %GTK_TEXT_WINDOW_RIGHT,
9642 * or the height of %GTK_TEXT_WINDOW_TOP or %GTK_TEXT_WINDOW_BOTTOM.
9643 * Automatically destroys the corresponding window if the size is set
9644 * to 0, and creates the window if the size is set to non-zero. This
9645 * function can only be used for the "border windows," it doesn't work
9646 * with #GTK_TEXT_WINDOW_WIDGET, #GTK_TEXT_WINDOW_TEXT, or
9647 * #GTK_TEXT_WINDOW_PRIVATE.
9650 gtk_text_view_set_border_window_size (GtkTextView *text_view,
9651 GtkTextWindowType type,
9654 GtkTextViewPrivate *priv = text_view->priv;
9656 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9657 g_return_if_fail (size >= 0);
9661 case GTK_TEXT_WINDOW_LEFT:
9662 set_window_width (text_view, size, GTK_TEXT_WINDOW_LEFT,
9663 &priv->left_window);
9666 case GTK_TEXT_WINDOW_RIGHT:
9667 set_window_width (text_view, size, GTK_TEXT_WINDOW_RIGHT,
9668 &priv->right_window);
9671 case GTK_TEXT_WINDOW_TOP:
9672 set_window_height (text_view, size, GTK_TEXT_WINDOW_TOP,
9676 case GTK_TEXT_WINDOW_BOTTOM:
9677 set_window_height (text_view, size, GTK_TEXT_WINDOW_BOTTOM,
9678 &priv->bottom_window);
9682 g_warning ("Can only set size of left/right/top/bottom border windows with gtk_text_view_set_border_window_size()");
9688 * gtk_text_view_get_border_window_size:
9689 * @text_view: a #GtkTextView
9690 * @type: window to return size from
9692 * Gets the width of the specified border window. See
9693 * gtk_text_view_set_border_window_size().
9695 * Return value: width of window
9698 gtk_text_view_get_border_window_size (GtkTextView *text_view,
9699 GtkTextWindowType type)
9701 GtkTextViewPrivate *priv = text_view->priv;
9703 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
9707 case GTK_TEXT_WINDOW_LEFT:
9708 if (priv->left_window)
9709 return priv->left_window->requisition.width;
9712 case GTK_TEXT_WINDOW_RIGHT:
9713 if (priv->right_window)
9714 return priv->right_window->requisition.width;
9717 case GTK_TEXT_WINDOW_TOP:
9718 if (priv->top_window)
9719 return priv->top_window->requisition.height;
9722 case GTK_TEXT_WINDOW_BOTTOM:
9723 if (priv->bottom_window)
9724 return priv->bottom_window->requisition.height;
9728 g_warning ("Can only get size of left/right/top/bottom border windows with gtk_text_view_get_border_window_size()");
9739 static GtkTextViewChild*
9740 text_view_child_new_anchored (GtkWidget *child,
9741 GtkTextChildAnchor *anchor,
9742 GtkTextLayout *layout)
9744 GtkTextViewChild *vc;
9746 vc = g_new (GtkTextViewChild, 1);
9748 vc->type = GTK_TEXT_WINDOW_PRIVATE;
9750 vc->anchor = anchor;
9752 vc->from_top_of_line = 0;
9753 vc->from_left_of_buffer = 0;
9755 g_object_ref (vc->widget);
9756 g_object_ref (vc->anchor);
9758 g_object_set_data (G_OBJECT (child),
9759 I_("gtk-text-view-child"),
9762 gtk_text_child_anchor_register_child (anchor, child, layout);
9767 static GtkTextViewChild*
9768 text_view_child_new_window (GtkWidget *child,
9769 GtkTextWindowType type,
9773 GtkTextViewChild *vc;
9775 vc = g_new (GtkTextViewChild, 1);
9780 vc->from_top_of_line = 0;
9781 vc->from_left_of_buffer = 0;
9783 g_object_ref (vc->widget);
9789 g_object_set_data (G_OBJECT (child),
9790 I_("gtk-text-view-child"),
9797 text_view_child_free (GtkTextViewChild *child)
9799 g_object_set_data (G_OBJECT (child->widget),
9800 I_("gtk-text-view-child"), NULL);
9804 gtk_text_child_anchor_unregister_child (child->anchor,
9806 g_object_unref (child->anchor);
9809 g_object_unref (child->widget);
9815 text_view_child_set_parent_window (GtkTextView *text_view,
9816 GtkTextViewChild *vc)
9819 gtk_widget_set_parent_window (vc->widget,
9820 text_view->priv->text_window->bin_window);
9824 window = gtk_text_view_get_window (text_view,
9826 gtk_widget_set_parent_window (vc->widget, window);
9831 add_child (GtkTextView *text_view,
9832 GtkTextViewChild *vc)
9834 text_view->priv->children = g_slist_prepend (text_view->priv->children,
9837 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9838 text_view_child_set_parent_window (text_view, vc);
9840 gtk_widget_set_parent (vc->widget, GTK_WIDGET (text_view));
9844 * gtk_text_view_add_child_at_anchor:
9845 * @text_view: a #GtkTextView
9846 * @child: a #GtkWidget
9847 * @anchor: a #GtkTextChildAnchor in the #GtkTextBuffer for @text_view
9849 * Adds a child widget in the text buffer, at the given @anchor.
9852 gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
9854 GtkTextChildAnchor *anchor)
9856 GtkTextViewChild *vc;
9858 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9859 g_return_if_fail (GTK_IS_WIDGET (child));
9860 g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
9861 g_return_if_fail (gtk_widget_get_parent (child) == NULL);
9863 gtk_text_view_ensure_layout (text_view);
9865 vc = text_view_child_new_anchored (child, anchor,
9866 text_view->priv->layout);
9868 add_child (text_view, vc);
9870 g_assert (vc->widget == child);
9871 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9875 * gtk_text_view_add_child_in_window:
9876 * @text_view: a #GtkTextView
9877 * @child: a #GtkWidget
9878 * @which_window: which window the child should appear in
9879 * @xpos: X position of child in window coordinates
9880 * @ypos: Y position of child in window coordinates
9882 * Adds a child at fixed coordinates in one of the text widget's
9885 * The window must have nonzero size (see
9886 * gtk_text_view_set_border_window_size()). Note that the child
9887 * coordinates are given relative to the #GdkWindow in question, and
9888 * that these coordinates have no sane relationship to scrolling. When
9889 * placing a child in #GTK_TEXT_WINDOW_WIDGET, scrolling is
9890 * irrelevant, the child floats above all scrollable areas. But when
9891 * placing a child in one of the scrollable windows (border windows or
9892 * text window), you'll need to compute the child's correct position
9893 * in buffer coordinates any time scrolling occurs or buffer changes
9894 * occur, and then call gtk_text_view_move_child() to update the
9898 gtk_text_view_add_child_in_window (GtkTextView *text_view,
9900 GtkTextWindowType which_window,
9904 GtkTextViewChild *vc;
9906 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9907 g_return_if_fail (GTK_IS_WIDGET (child));
9908 g_return_if_fail (gtk_widget_get_parent (child) == NULL);
9910 vc = text_view_child_new_window (child, which_window,
9913 add_child (text_view, vc);
9915 g_assert (vc->widget == child);
9916 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9920 * gtk_text_view_move_child:
9921 * @text_view: a #GtkTextView
9922 * @child: child widget already added to the text view
9923 * @xpos: new X position in window coordinates
9924 * @ypos: new Y position in window coordinates
9926 * Updates the position of a child, as for gtk_text_view_add_child_in_window().
9929 gtk_text_view_move_child (GtkTextView *text_view,
9934 GtkTextViewChild *vc;
9936 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9937 g_return_if_fail (GTK_IS_WIDGET (child));
9938 g_return_if_fail (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9940 vc = g_object_get_data (G_OBJECT (child),
9941 "gtk-text-view-child");
9943 g_assert (vc != NULL);
9945 if (vc->x == xpos &&
9952 if (gtk_widget_get_visible (child) &&
9953 gtk_widget_get_visible (GTK_WIDGET (text_view)))
9954 gtk_widget_queue_resize (child);
9958 /* Iterator operations */
9961 * gtk_text_view_forward_display_line:
9962 * @text_view: a #GtkTextView
9963 * @iter: a #GtkTextIter
9965 * Moves the given @iter forward by one display (wrapped) line.
9966 * A display line is different from a paragraph. Paragraphs are
9967 * separated by newlines or other paragraph separator characters.
9968 * Display lines are created by line-wrapping a paragraph. If
9969 * wrapping is turned off, display lines and paragraphs will be the
9970 * same. Display lines are divided differently for each view, since
9971 * they depend on the view's width; paragraphs are the same in all
9972 * views, since they depend on the contents of the #GtkTextBuffer.
9974 * Return value: %TRUE if @iter was moved and is not on the end iterator
9977 gtk_text_view_forward_display_line (GtkTextView *text_view,
9980 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9981 g_return_val_if_fail (iter != NULL, FALSE);
9983 gtk_text_view_ensure_layout (text_view);
9985 return gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, iter);
9989 * gtk_text_view_backward_display_line:
9990 * @text_view: a #GtkTextView
9991 * @iter: a #GtkTextIter
9993 * Moves the given @iter backward by one display (wrapped) line.
9994 * A display line is different from a paragraph. Paragraphs are
9995 * separated by newlines or other paragraph separator characters.
9996 * Display lines are created by line-wrapping a paragraph. If
9997 * wrapping is turned off, display lines and paragraphs will be the
9998 * same. Display lines are divided differently for each view, since
9999 * they depend on the view's width; paragraphs are the same in all
10000 * views, since they depend on the contents of the #GtkTextBuffer.
10002 * Return value: %TRUE if @iter was moved and is not on the end iterator
10005 gtk_text_view_backward_display_line (GtkTextView *text_view,
10008 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
10009 g_return_val_if_fail (iter != NULL, FALSE);
10011 gtk_text_view_ensure_layout (text_view);
10013 return gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, iter);
10017 * gtk_text_view_forward_display_line_end:
10018 * @text_view: a #GtkTextView
10019 * @iter: a #GtkTextIter
10021 * Moves the given @iter forward to the next display line end.
10022 * A display line is different from a paragraph. Paragraphs are
10023 * separated by newlines or other paragraph separator characters.
10024 * Display lines are created by line-wrapping a paragraph. If
10025 * wrapping is turned off, display lines and paragraphs will be the
10026 * same. Display lines are divided differently for each view, since
10027 * they depend on the view's width; paragraphs are the same in all
10028 * views, since they depend on the contents of the #GtkTextBuffer.
10030 * Return value: %TRUE if @iter was moved and is not on the end iterator
10033 gtk_text_view_forward_display_line_end (GtkTextView *text_view,
10036 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
10037 g_return_val_if_fail (iter != NULL, FALSE);
10039 gtk_text_view_ensure_layout (text_view);
10041 return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, 1);
10045 * gtk_text_view_backward_display_line_start:
10046 * @text_view: a #GtkTextView
10047 * @iter: a #GtkTextIter
10049 * Moves the given @iter backward to the next display line start.
10050 * A display line is different from a paragraph. Paragraphs are
10051 * separated by newlines or other paragraph separator characters.
10052 * Display lines are created by line-wrapping a paragraph. If
10053 * wrapping is turned off, display lines and paragraphs will be the
10054 * same. Display lines are divided differently for each view, since
10055 * they depend on the view's width; paragraphs are the same in all
10056 * views, since they depend on the contents of the #GtkTextBuffer.
10058 * Return value: %TRUE if @iter was moved and is not on the end iterator
10061 gtk_text_view_backward_display_line_start (GtkTextView *text_view,
10064 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
10065 g_return_val_if_fail (iter != NULL, FALSE);
10067 gtk_text_view_ensure_layout (text_view);
10069 return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, -1);
10073 * gtk_text_view_starts_display_line:
10074 * @text_view: a #GtkTextView
10075 * @iter: a #GtkTextIter
10077 * Determines whether @iter is at the start of a display line.
10078 * See gtk_text_view_forward_display_line() for an explanation of
10079 * display lines vs. paragraphs.
10081 * Return value: %TRUE if @iter begins a wrapped line
10084 gtk_text_view_starts_display_line (GtkTextView *text_view,
10085 const GtkTextIter *iter)
10087 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
10088 g_return_val_if_fail (iter != NULL, FALSE);
10090 gtk_text_view_ensure_layout (text_view);
10092 return gtk_text_layout_iter_starts_line (text_view->priv->layout, iter);
10096 * gtk_text_view_move_visually:
10097 * @text_view: a #GtkTextView
10098 * @iter: a #GtkTextIter
10099 * @count: number of characters to move (negative moves left,
10100 * positive moves right)
10102 * Move the iterator a given number of characters visually, treating
10103 * it as the strong cursor position. If @count is positive, then the
10104 * new strong cursor position will be @count positions to the right of
10105 * the old cursor position. If @count is negative then the new strong
10106 * cursor position will be @count positions to the left of the old
10109 * In the presence of bi-directional text, the correspondence
10110 * between logical and visual order will depend on the direction
10111 * of the current run, and there may be jumps when the cursor
10112 * is moved off of the end of a run.
10114 * Return value: %TRUE if @iter moved and is not on the end iterator
10117 gtk_text_view_move_visually (GtkTextView *text_view,
10121 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
10122 g_return_val_if_fail (iter != NULL, FALSE);
10124 gtk_text_view_ensure_layout (text_view);
10126 return gtk_text_layout_move_iter_visually (text_view->priv->layout, iter, count);
10130 * gtk_text_view_set_input_purpose:
10131 * @text_view: a #GtkTextView
10132 * @purpose: the purpose
10134 * Sets the #GtkTextView:input-purpose property which
10135 * can be used by on-screen keyboards and other input
10136 * methods to adjust their behaviour.
10142 gtk_text_view_set_input_purpose (GtkTextView *text_view,
10143 GtkInputPurpose purpose)
10146 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
10148 if (gtk_text_view_get_input_purpose (text_view) != purpose)
10150 g_object_set (G_OBJECT (text_view->priv->im_context),
10151 "input-purpose", purpose,
10154 g_object_notify (G_OBJECT (text_view), "input-purpose");
10159 * gtk_text_view_get_input_purpose:
10160 * @text_view: a #GtkTextView
10162 * Gets the value of the #GtkTextView:input-purpose property.
10168 gtk_text_view_get_input_purpose (GtkTextView *text_view)
10170 GtkInputPurpose purpose;
10172 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_PURPOSE_FREE_FORM);
10174 g_object_get (G_OBJECT (text_view->priv->im_context),
10175 "input-purpose", &purpose,
10182 * gtk_text_view_set_input_hints:
10183 * @text_view: a #GtkTextView
10184 * @hints: the hints
10186 * Sets the #GtkTextView:input-hints property, which
10187 * allows input methods to fine-tune their behaviour.
10193 gtk_text_view_set_input_hints (GtkTextView *text_view,
10194 GtkInputHints hints)
10197 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
10199 if (gtk_text_view_get_input_hints (text_view) != hints)
10201 g_object_set (G_OBJECT (text_view->priv->im_context),
10202 "input-hints", hints,
10205 g_object_notify (G_OBJECT (text_view), "input-hints");
10210 * gtk_text_view_get_input_hints:
10211 * @text_view: a #GtkTextView
10213 * Gets the value of the #GtkTextView:input-hints property.
10219 gtk_text_view_get_input_hints (GtkTextView *text_view)
10221 GtkInputHints hints;
10223 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_HINT_NONE);
10225 g_object_get (G_OBJECT (text_view->priv->im_context),
10226 "input-hints", &hints,