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"
57 #include "a11y/gtktextviewaccessibleprivate.h"
61 * @Short_description: Widget that displays a GtkTextBuffer
63 * @See_also: #GtkTextBuffer, #GtkTextIter
65 * You may wish to begin by reading the <link linkend="TextWidget">text widget
66 * conceptual overview</link> which gives an overview of all the objects and data
67 * types related to the text widget and how they work together.
71 /* How scrolling, validation, exposes, etc. work.
73 * The expose_event handler has the invariant that the onscreen lines
74 * have been validated.
76 * There are two ways that onscreen lines can become invalid. The first
77 * is to change which lines are onscreen. This happens when the value
78 * of a scroll adjustment changes. So the code path begins in
79 * gtk_text_view_value_changed() and goes like this:
80 * - gdk_window_scroll() to reflect the new adjustment value
81 * - validate the lines that were moved onscreen
82 * - gdk_window_process_updates() to handle the exposes immediately
84 * The second way is that you get the "invalidated" signal from the layout,
85 * indicating that lines have become invalid. This code path begins in
86 * invalidated_handler() and goes like this:
87 * - install high-priority idle which does the rest of the steps
88 * - if a scroll is pending from scroll_to_mark(), do the scroll,
89 * jumping to the gtk_text_view_value_changed() code path
90 * - otherwise, validate the onscreen lines
91 * - DO NOT process updates
93 * In both cases, validating the onscreen lines can trigger a scroll
94 * due to maintaining the first_para on the top of the screen.
95 * If validation triggers a scroll, we jump to the top of the code path
96 * for value_changed, and bail out of the current code path.
98 * Also, in size_allocate, if we invalidate some lines from changing
99 * the layout width, we need to go ahead and run the high-priority idle,
100 * because GTK sends exposes right after doing the size allocates without
101 * returning to the main loop. This is also why the high-priority idle
102 * is at a higher priority than resizing.
107 #define DEBUG_VALIDATION_AND_SCROLLING
110 #ifdef DEBUG_VALIDATION_AND_SCROLLING
116 #define SCREEN_WIDTH(widget) text_window_get_width (GTK_TEXT_VIEW (widget)->priv->text_window)
117 #define SCREEN_HEIGHT(widget) text_window_get_height (GTK_TEXT_VIEW (widget)->priv->text_window)
119 #define SPACE_FOR_CURSOR 1
121 #define GTK_TEXT_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewPrivate))
123 typedef struct _GtkTextWindow GtkTextWindow;
124 typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
126 struct _GtkTextViewPrivate
128 GtkTextLayout *layout;
129 GtkTextBuffer *buffer;
131 guint blink_time; /* time in msec the cursor has blinked since last user event */
134 GdkDevice *grab_device;
135 GdkDevice *dnd_device;
137 gulong selection_drag_handler;
138 GtkTextHandle *text_handle;
140 GtkTextWindow *text_window;
141 GtkTextWindow *left_window;
142 GtkTextWindow *right_window;
143 GtkTextWindow *top_window;
144 GtkTextWindow *bottom_window;
146 GtkAdjustment *hadjustment;
147 GtkAdjustment *vadjustment;
149 gint xoffset; /* Offsets between widget coordinates and buffer coordinates */
151 gint width; /* Width and height of the buffer */
154 /* This is used to monitor the overall size request
155 * and decide whether we need to queue resizes when
156 * the buffer content changes.
158 * FIXME: This could be done in a simpler way by
159 * consulting the above width/height of the buffer + some
160 * padding values, however all of this request code needs
161 * to be changed to use GtkWidget Iface and deserves
164 GtkRequisition cached_size_request;
166 /* The virtual cursor position is normally the same as the
167 * actual (strong) cursor position, except in two circumstances:
169 * a) When the cursor is moved vertically with the keyboard
170 * b) When the text view is scrolled with the keyboard
172 * In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
173 * In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
175 gint virtual_cursor_x; /* -1 means use actual cursor position */
176 gint virtual_cursor_y; /* -1 means use actual cursor position */
178 GtkTextMark *first_para_mark; /* Mark at the beginning of the first onscreen paragraph */
179 gint first_para_pixels; /* Offset of top of screen in the first onscreen paragraph */
182 guint scroll_timeout;
184 guint first_validate_idle; /* Idle to revalidate onscreen portion, runs before resize */
185 guint incremental_validate_idle; /* Idle to revalidate offscreen portions, runs after redraw */
187 gint pending_place_cursor_button;
189 GtkTextMark *dnd_mark;
191 GtkIMContext *im_context;
192 GtkWidget *popup_menu;
199 GtkTextPendingScroll *pending_scroll;
201 /* Default style settings */
202 gint pixels_above_lines;
203 gint pixels_below_lines;
204 gint pixels_inside_wrap;
205 GtkWrapMode wrap_mode;
206 GtkJustification justify;
213 guint overwrite_mode : 1;
214 guint cursor_visible : 1;
216 /* if we have reset the IM since the last character entered */
217 guint need_im_reset : 1;
219 guint accepts_tab : 1;
221 guint width_changed : 1;
223 /* debug flag - means that we've validated onscreen since the
224 * last "invalidate" signal from the layout
226 guint onscreen_validated : 1;
228 guint mouse_cursor_obscured : 1;
230 guint scroll_after_paste : 1;
232 /* GtkScrollablePolicy needs to be checked when
233 * driving the scrollable adjustment values */
234 guint hscroll_policy : 1;
235 guint vscroll_policy : 1;
236 guint cursor_handle_dragged : 1;
237 guint selection_handle_dragged : 1;
240 struct _GtkTextPendingScroll
243 gdouble within_margin;
264 TOGGLE_CURSOR_VISIBLE,
272 PROP_PIXELS_ABOVE_LINES,
273 PROP_PIXELS_BELOW_LINES,
274 PROP_PIXELS_INSIDE_WRAP,
295 static void gtk_text_view_finalize (GObject *object);
296 static void gtk_text_view_set_property (GObject *object,
300 static void gtk_text_view_get_property (GObject *object,
304 static void gtk_text_view_destroy (GtkWidget *widget);
305 static void gtk_text_view_size_request (GtkWidget *widget,
306 GtkRequisition *requisition);
307 static void gtk_text_view_get_preferred_width (GtkWidget *widget,
310 static void gtk_text_view_get_preferred_height (GtkWidget *widget,
313 static void gtk_text_view_size_allocate (GtkWidget *widget,
314 GtkAllocation *allocation);
315 static void gtk_text_view_realize (GtkWidget *widget);
316 static void gtk_text_view_unrealize (GtkWidget *widget);
317 static void gtk_text_view_style_updated (GtkWidget *widget);
318 static void gtk_text_view_direction_changed (GtkWidget *widget,
319 GtkTextDirection previous_direction);
320 static void gtk_text_view_grab_notify (GtkWidget *widget,
321 gboolean was_grabbed);
322 static void gtk_text_view_state_flags_changed (GtkWidget *widget,
323 GtkStateFlags previous_state);
325 static gint gtk_text_view_event (GtkWidget *widget,
327 static gint gtk_text_view_key_press_event (GtkWidget *widget,
329 static gint gtk_text_view_key_release_event (GtkWidget *widget,
331 static gint gtk_text_view_button_press_event (GtkWidget *widget,
332 GdkEventButton *event);
333 static gint gtk_text_view_button_release_event (GtkWidget *widget,
334 GdkEventButton *event);
335 static gint gtk_text_view_focus_in_event (GtkWidget *widget,
336 GdkEventFocus *event);
337 static gint gtk_text_view_focus_out_event (GtkWidget *widget,
338 GdkEventFocus *event);
339 static gint gtk_text_view_motion_event (GtkWidget *widget,
340 GdkEventMotion *event);
341 static gint gtk_text_view_draw (GtkWidget *widget,
343 static void gtk_text_view_draw_focus (GtkWidget *widget,
345 static gboolean gtk_text_view_focus (GtkWidget *widget,
346 GtkDirectionType direction);
347 static void gtk_text_view_select_all (GtkWidget *widget,
349 static gboolean get_middle_click_paste (GtkTextView *text_view);
351 /* Source side drag signals */
352 static void gtk_text_view_drag_begin (GtkWidget *widget,
353 GdkDragContext *context);
354 static void gtk_text_view_drag_end (GtkWidget *widget,
355 GdkDragContext *context);
356 static void gtk_text_view_drag_data_get (GtkWidget *widget,
357 GdkDragContext *context,
358 GtkSelectionData *selection_data,
361 static void gtk_text_view_drag_data_delete (GtkWidget *widget,
362 GdkDragContext *context);
364 /* Target side drag signals */
365 static void gtk_text_view_drag_leave (GtkWidget *widget,
366 GdkDragContext *context,
368 static gboolean gtk_text_view_drag_motion (GtkWidget *widget,
369 GdkDragContext *context,
373 static gboolean gtk_text_view_drag_drop (GtkWidget *widget,
374 GdkDragContext *context,
378 static void gtk_text_view_drag_data_received (GtkWidget *widget,
379 GdkDragContext *context,
382 GtkSelectionData *selection_data,
386 static gboolean gtk_text_view_popup_menu (GtkWidget *widget);
388 static void gtk_text_view_move_cursor (GtkTextView *text_view,
389 GtkMovementStep step,
391 gboolean extend_selection);
392 static void gtk_text_view_move_viewport (GtkTextView *text_view,
395 static void gtk_text_view_set_anchor (GtkTextView *text_view);
396 static gboolean gtk_text_view_scroll_pages (GtkTextView *text_view,
398 gboolean extend_selection);
399 static gboolean gtk_text_view_scroll_hpages(GtkTextView *text_view,
401 gboolean extend_selection);
402 static void gtk_text_view_insert_at_cursor (GtkTextView *text_view,
404 static void gtk_text_view_delete_from_cursor (GtkTextView *text_view,
407 static void gtk_text_view_backspace (GtkTextView *text_view);
408 static void gtk_text_view_cut_clipboard (GtkTextView *text_view);
409 static void gtk_text_view_copy_clipboard (GtkTextView *text_view);
410 static void gtk_text_view_paste_clipboard (GtkTextView *text_view);
411 static void gtk_text_view_toggle_overwrite (GtkTextView *text_view);
412 static void gtk_text_view_toggle_cursor_visible (GtkTextView *text_view);
414 static void gtk_text_view_unselect (GtkTextView *text_view);
416 static void gtk_text_view_validate_onscreen (GtkTextView *text_view);
417 static void gtk_text_view_get_first_para_iter (GtkTextView *text_view,
419 static void gtk_text_view_update_layout_width (GtkTextView *text_view);
420 static void gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
421 GtkTextAttributes *values);
422 static void gtk_text_view_ensure_layout (GtkTextView *text_view);
423 static void gtk_text_view_destroy_layout (GtkTextView *text_view);
424 static void gtk_text_view_check_keymap_direction (GtkTextView *text_view);
425 static void gtk_text_view_start_selection_drag (GtkTextView *text_view,
426 const GtkTextIter *iter,
427 GdkEventButton *event);
428 static gboolean gtk_text_view_end_selection_drag (GtkTextView *text_view);
429 static void gtk_text_view_start_selection_dnd (GtkTextView *text_view,
430 const GtkTextIter *iter,
431 GdkEventMotion *event);
432 static void gtk_text_view_check_cursor_blink (GtkTextView *text_view);
433 static void gtk_text_view_pend_cursor_blink (GtkTextView *text_view);
434 static void gtk_text_view_stop_cursor_blink (GtkTextView *text_view);
435 static void gtk_text_view_reset_blink_time (GtkTextView *text_view);
437 static void gtk_text_view_value_changed (GtkAdjustment *adjustment,
439 static void gtk_text_view_commit_handler (GtkIMContext *context,
441 GtkTextView *text_view);
442 static void gtk_text_view_commit_text (GtkTextView *text_view,
444 static void gtk_text_view_preedit_changed_handler (GtkIMContext *context,
445 GtkTextView *text_view);
446 static gboolean gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
447 GtkTextView *text_view);
448 static gboolean gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
451 GtkTextView *text_view);
453 static void gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
454 const GtkTextIter *location,
457 static void gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
458 const GParamSpec *pspec,
460 static void gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
461 GtkClipboard *clipboard,
463 static void gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
465 static void gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
469 static void gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
473 static void gtk_text_view_do_popup (GtkTextView *text_view,
474 GdkEventButton *event);
476 static void cancel_pending_scroll (GtkTextView *text_view);
477 static void gtk_text_view_queue_scroll (GtkTextView *text_view,
479 gdouble within_margin,
484 static gboolean gtk_text_view_flush_scroll (GtkTextView *text_view);
485 static void gtk_text_view_update_adjustments (GtkTextView *text_view);
486 static void gtk_text_view_invalidate (GtkTextView *text_view);
487 static void gtk_text_view_flush_first_validate (GtkTextView *text_view);
489 static void gtk_text_view_set_hadjustment (GtkTextView *text_view,
490 GtkAdjustment *adjustment);
491 static void gtk_text_view_set_vadjustment (GtkTextView *text_view,
492 GtkAdjustment *adjustment);
493 static void gtk_text_view_set_hadjustment_values (GtkTextView *text_view);
494 static void gtk_text_view_set_vadjustment_values (GtkTextView *text_view);
496 static void gtk_text_view_update_im_spot_location (GtkTextView *text_view);
498 /* Container methods */
499 static void gtk_text_view_add (GtkContainer *container,
501 static void gtk_text_view_remove (GtkContainer *container,
503 static void gtk_text_view_forall (GtkContainer *container,
504 gboolean include_internals,
505 GtkCallback callback,
506 gpointer callback_data);
508 /* GtkTextHandle handlers */
509 static void gtk_text_view_handle_dragged (GtkTextHandle *handle,
510 GtkTextHandlePosition pos,
513 GtkTextView *text_view);
514 static void gtk_text_view_update_handles (GtkTextView *text_view,
515 GtkTextHandleMode mode);
517 /* FIXME probably need the focus methods. */
519 typedef struct _GtkTextViewChild GtkTextViewChild;
521 struct _GtkTextViewChild
525 GtkTextChildAnchor *anchor;
527 gint from_top_of_line;
528 gint from_left_of_buffer;
530 /* These are ignored if anchor != NULL */
531 GtkTextWindowType type;
536 static GtkTextViewChild* text_view_child_new_anchored (GtkWidget *child,
537 GtkTextChildAnchor *anchor,
538 GtkTextLayout *layout);
539 static GtkTextViewChild* text_view_child_new_window (GtkWidget *child,
540 GtkTextWindowType type,
543 static void text_view_child_free (GtkTextViewChild *child);
544 static void text_view_child_set_parent_window (GtkTextView *text_view,
545 GtkTextViewChild *child);
547 struct _GtkTextWindow
549 GtkTextWindowType type;
552 GdkWindow *bin_window;
553 GtkRequisition requisition;
554 GdkRectangle allocation;
557 static GtkTextWindow *text_window_new (GtkTextWindowType type,
560 gint height_request);
561 static void text_window_free (GtkTextWindow *win);
562 static void text_window_realize (GtkTextWindow *win,
564 static void text_window_unrealize (GtkTextWindow *win);
565 static void text_window_size_allocate (GtkTextWindow *win,
567 static void text_window_scroll (GtkTextWindow *win,
570 static void text_window_invalidate_rect (GtkTextWindow *win,
572 static void text_window_invalidate_cursors (GtkTextWindow *win);
574 static gint text_window_get_width (GtkTextWindow *win);
575 static gint text_window_get_height (GtkTextWindow *win);
578 static guint signals[LAST_SIGNAL] = { 0 };
579 static gboolean test_touchscreen = FALSE;
581 G_DEFINE_TYPE_WITH_CODE (GtkTextView, gtk_text_view, GTK_TYPE_CONTAINER,
582 G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
585 add_move_binding (GtkBindingSet *binding_set,
588 GtkMovementStep step,
591 g_assert ((modmask & GDK_SHIFT_MASK) == 0);
593 gtk_binding_entry_add_signal (binding_set, keyval, modmask,
597 G_TYPE_BOOLEAN, FALSE);
599 /* Selection-extending version */
600 gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
604 G_TYPE_BOOLEAN, TRUE);
608 gtk_text_view_class_init (GtkTextViewClass *klass)
610 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
611 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
612 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
613 GtkBindingSet *binding_set;
615 /* Default handlers and virtual methods
617 gobject_class->set_property = gtk_text_view_set_property;
618 gobject_class->get_property = gtk_text_view_get_property;
619 gobject_class->finalize = gtk_text_view_finalize;
621 widget_class->destroy = gtk_text_view_destroy;
622 widget_class->realize = gtk_text_view_realize;
623 widget_class->unrealize = gtk_text_view_unrealize;
624 widget_class->style_updated = gtk_text_view_style_updated;
625 widget_class->direction_changed = gtk_text_view_direction_changed;
626 widget_class->grab_notify = gtk_text_view_grab_notify;
627 widget_class->state_flags_changed = gtk_text_view_state_flags_changed;
628 widget_class->get_preferred_width = gtk_text_view_get_preferred_width;
629 widget_class->get_preferred_height = gtk_text_view_get_preferred_height;
630 widget_class->size_allocate = gtk_text_view_size_allocate;
631 widget_class->event = gtk_text_view_event;
632 widget_class->key_press_event = gtk_text_view_key_press_event;
633 widget_class->key_release_event = gtk_text_view_key_release_event;
634 widget_class->button_press_event = gtk_text_view_button_press_event;
635 widget_class->button_release_event = gtk_text_view_button_release_event;
636 widget_class->focus_in_event = gtk_text_view_focus_in_event;
637 widget_class->focus_out_event = gtk_text_view_focus_out_event;
638 widget_class->motion_notify_event = gtk_text_view_motion_event;
639 widget_class->draw = gtk_text_view_draw;
640 widget_class->focus = gtk_text_view_focus;
641 widget_class->drag_begin = gtk_text_view_drag_begin;
642 widget_class->drag_end = gtk_text_view_drag_end;
643 widget_class->drag_data_get = gtk_text_view_drag_data_get;
644 widget_class->drag_data_delete = gtk_text_view_drag_data_delete;
646 widget_class->drag_leave = gtk_text_view_drag_leave;
647 widget_class->drag_motion = gtk_text_view_drag_motion;
648 widget_class->drag_drop = gtk_text_view_drag_drop;
649 widget_class->drag_data_received = gtk_text_view_drag_data_received;
651 widget_class->popup_menu = gtk_text_view_popup_menu;
653 container_class->add = gtk_text_view_add;
654 container_class->remove = gtk_text_view_remove;
655 container_class->forall = gtk_text_view_forall;
657 klass->move_cursor = gtk_text_view_move_cursor;
658 klass->set_anchor = gtk_text_view_set_anchor;
659 klass->insert_at_cursor = gtk_text_view_insert_at_cursor;
660 klass->delete_from_cursor = gtk_text_view_delete_from_cursor;
661 klass->backspace = gtk_text_view_backspace;
662 klass->cut_clipboard = gtk_text_view_cut_clipboard;
663 klass->copy_clipboard = gtk_text_view_copy_clipboard;
664 klass->paste_clipboard = gtk_text_view_paste_clipboard;
665 klass->toggle_overwrite = gtk_text_view_toggle_overwrite;
671 g_object_class_install_property (gobject_class,
672 PROP_PIXELS_ABOVE_LINES,
673 g_param_spec_int ("pixels-above-lines",
674 P_("Pixels Above Lines"),
675 P_("Pixels of blank space above paragraphs"),
679 GTK_PARAM_READWRITE));
681 g_object_class_install_property (gobject_class,
682 PROP_PIXELS_BELOW_LINES,
683 g_param_spec_int ("pixels-below-lines",
684 P_("Pixels Below Lines"),
685 P_("Pixels of blank space below paragraphs"),
689 GTK_PARAM_READWRITE));
691 g_object_class_install_property (gobject_class,
692 PROP_PIXELS_INSIDE_WRAP,
693 g_param_spec_int ("pixels-inside-wrap",
694 P_("Pixels Inside Wrap"),
695 P_("Pixels of blank space between wrapped lines in a paragraph"),
699 GTK_PARAM_READWRITE));
701 g_object_class_install_property (gobject_class,
703 g_param_spec_boolean ("editable",
705 P_("Whether the text can be modified by the user"),
707 GTK_PARAM_READWRITE));
709 g_object_class_install_property (gobject_class,
711 g_param_spec_enum ("wrap-mode",
713 P_("Whether to wrap lines never, at word boundaries, or at character boundaries"),
716 GTK_PARAM_READWRITE));
718 g_object_class_install_property (gobject_class,
720 g_param_spec_enum ("justification",
722 P_("Left, right, or center justification"),
723 GTK_TYPE_JUSTIFICATION,
725 GTK_PARAM_READWRITE));
727 g_object_class_install_property (gobject_class,
729 g_param_spec_int ("left-margin",
731 P_("Width of the left margin in pixels"),
735 GTK_PARAM_READWRITE));
737 g_object_class_install_property (gobject_class,
739 g_param_spec_int ("right-margin",
741 P_("Width of the right margin in pixels"),
745 GTK_PARAM_READWRITE));
747 g_object_class_install_property (gobject_class,
749 g_param_spec_int ("indent",
751 P_("Amount to indent the paragraph, in pixels"),
755 GTK_PARAM_READWRITE));
757 g_object_class_install_property (gobject_class,
759 g_param_spec_boxed ("tabs",
761 P_("Custom tabs for this text"),
762 PANGO_TYPE_TAB_ARRAY,
763 GTK_PARAM_READWRITE));
765 g_object_class_install_property (gobject_class,
767 g_param_spec_boolean ("cursor-visible",
768 P_("Cursor Visible"),
769 P_("If the insertion cursor is shown"),
771 GTK_PARAM_READWRITE));
773 g_object_class_install_property (gobject_class,
775 g_param_spec_object ("buffer",
777 P_("The buffer which is displayed"),
778 GTK_TYPE_TEXT_BUFFER,
779 GTK_PARAM_READWRITE));
781 g_object_class_install_property (gobject_class,
783 g_param_spec_boolean ("overwrite",
784 P_("Overwrite mode"),
785 P_("Whether entered text overwrites existing contents"),
787 GTK_PARAM_READWRITE));
789 g_object_class_install_property (gobject_class,
791 g_param_spec_boolean ("accepts-tab",
793 P_("Whether Tab will result in a tab character being entered"),
795 GTK_PARAM_READWRITE));
798 * GtkTextView:im-module:
800 * Which IM (input method) module should be used for this text_view.
803 * Setting this to a non-%NULL value overrides the
804 * system-wide IM module setting. See the GtkSettings
805 * #GtkSettings:gtk-im-module property.
809 g_object_class_install_property (gobject_class,
811 g_param_spec_string ("im-module",
813 P_("Which IM module should be used"),
815 GTK_PARAM_READWRITE));
818 * GtkTextView:input-purpose:
820 * The purpose of this text field.
822 * This property can be used by on-screen keyboards and other input
823 * methods to adjust their behaviour.
827 g_object_class_install_property (gobject_class,
829 g_param_spec_enum ("input-purpose",
831 P_("Purpose of the text field"),
832 GTK_TYPE_INPUT_PURPOSE,
833 GTK_INPUT_PURPOSE_FREE_FORM,
834 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
837 * GtkTextView:input-hints:
839 * Additional hints (beyond #GtkTextView:input-purpose) that
840 * allow input methods to fine-tune their behaviour.
844 g_object_class_install_property (gobject_class,
846 g_param_spec_flags ("input-hints",
848 P_("Hints for the text field behaviour"),
849 GTK_TYPE_INPUT_HINTS,
851 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
853 /* GtkScrollable interface */
854 g_object_class_override_property (gobject_class, PROP_HADJUSTMENT, "hadjustment");
855 g_object_class_override_property (gobject_class, PROP_VADJUSTMENT, "vadjustment");
856 g_object_class_override_property (gobject_class, PROP_HSCROLL_POLICY, "hscroll-policy");
857 g_object_class_override_property (gobject_class, PROP_VSCROLL_POLICY, "vscroll-policy");
862 gtk_widget_class_install_style_property (widget_class,
863 g_param_spec_boxed ("error-underline-color",
864 P_("Error underline color"),
865 P_("Color with which to draw error-indication underlines"),
867 GTK_PARAM_READABLE));
874 * GtkTextView::move-cursor:
875 * @text_view: the object which received the signal
876 * @step: the granularity of the move, as a #GtkMovementStep
877 * @count: the number of @step units to move
878 * @extend_selection: %TRUE if the move should extend the selection
880 * The ::move-cursor signal is a
881 * <link linkend="keybinding-signals">keybinding signal</link>
882 * which gets emitted when the user initiates a cursor movement.
883 * If the cursor is not visible in @text_view, this signal causes
884 * the viewport to be moved instead.
886 * Applications should not connect to it, but may emit it with
887 * g_signal_emit_by_name() if they need to control the cursor
890 * The default bindings for this signal come in two variants,
891 * the variant with the Shift modifier extends the selection,
892 * the variant without the Shift modifer does not.
893 * There are too many key combinations to list them all here.
895 * <listitem>Arrow keys move by individual characters/lines</listitem>
896 * <listitem>Ctrl-arrow key combinations move by words/paragraphs</listitem>
897 * <listitem>Home/End keys move to the ends of the buffer</listitem>
898 * <listitem>PageUp/PageDown keys move vertically by pages</listitem>
899 * <listitem>Ctrl-PageUp/PageDown keys move horizontally by pages</listitem>
902 signals[MOVE_CURSOR] =
903 g_signal_new (I_("move-cursor"),
904 G_OBJECT_CLASS_TYPE (gobject_class),
905 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
906 G_STRUCT_OFFSET (GtkTextViewClass, move_cursor),
908 _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
910 GTK_TYPE_MOVEMENT_STEP,
915 * GtkTextView::move-viewport:
916 * @text_view: the object which received the signal
917 * @step: the granularity of the move, as a #GtkMovementStep
918 * @count: the number of @step units to move
920 * The ::move-viewport signal is a
921 * <link linkend="keybinding-signals">keybinding signal</link>
922 * which can be bound to key combinations to allow the user
923 * to move the viewport, i.e. change what part of the text view
924 * is visible in a containing scrolled window.
926 * There are no default bindings for this signal.
928 signals[MOVE_VIEWPORT] =
929 g_signal_new_class_handler (I_("move-viewport"),
930 G_OBJECT_CLASS_TYPE (gobject_class),
931 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
932 G_CALLBACK (gtk_text_view_move_viewport),
934 _gtk_marshal_VOID__ENUM_INT,
936 GTK_TYPE_SCROLL_STEP,
940 * GtkTextView::set-anchor:
941 * @text_view: the object which received the signal
943 * The ::set-anchor signal is a
944 * <link linkend="keybinding-signals">keybinding signal</link>
945 * which gets emitted when the user initiates setting the "anchor"
946 * mark. The "anchor" mark gets placed at the same position as the
949 * This signal has no default bindings.
951 signals[SET_ANCHOR] =
952 g_signal_new (I_("set-anchor"),
953 G_OBJECT_CLASS_TYPE (gobject_class),
954 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
955 G_STRUCT_OFFSET (GtkTextViewClass, set_anchor),
957 _gtk_marshal_VOID__VOID,
961 * GtkTextView::insert-at-cursor:
962 * @text_view: the object which received the signal
963 * @string: the string to insert
965 * The ::insert-at-cursor signal is a
966 * <link linkend="keybinding-signals">keybinding signal</link>
967 * which gets emitted when the user initiates the insertion of a
968 * fixed string at the cursor.
970 * This signal has no default bindings.
972 signals[INSERT_AT_CURSOR] =
973 g_signal_new (I_("insert-at-cursor"),
974 G_OBJECT_CLASS_TYPE (gobject_class),
975 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
976 G_STRUCT_OFFSET (GtkTextViewClass, insert_at_cursor),
978 _gtk_marshal_VOID__STRING,
983 * GtkTextView::delete-from-cursor:
984 * @text_view: the object which received the signal
985 * @type: the granularity of the deletion, as a #GtkDeleteType
986 * @count: the number of @type units to delete
988 * The ::delete-from-cursor signal is a
989 * <link linkend="keybinding-signals">keybinding signal</link>
990 * which gets emitted when the user initiates a text deletion.
992 * If the @type is %GTK_DELETE_CHARS, GTK+ deletes the selection
993 * if there is one, otherwise it deletes the requested number
996 * The default bindings for this signal are
997 * Delete for deleting a character, Ctrl-Delete for
998 * deleting a word and Ctrl-Backspace for deleting a word
1001 signals[DELETE_FROM_CURSOR] =
1002 g_signal_new (I_("delete-from-cursor"),
1003 G_OBJECT_CLASS_TYPE (gobject_class),
1004 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1005 G_STRUCT_OFFSET (GtkTextViewClass, delete_from_cursor),
1007 _gtk_marshal_VOID__ENUM_INT,
1009 GTK_TYPE_DELETE_TYPE,
1013 * GtkTextView::backspace:
1014 * @text_view: the object which received the signal
1016 * The ::backspace signal is a
1017 * <link linkend="keybinding-signals">keybinding signal</link>
1018 * which gets emitted when the user asks for it.
1020 * The default bindings for this signal are
1021 * Backspace and Shift-Backspace.
1023 signals[BACKSPACE] =
1024 g_signal_new (I_("backspace"),
1025 G_OBJECT_CLASS_TYPE (gobject_class),
1026 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1027 G_STRUCT_OFFSET (GtkTextViewClass, backspace),
1029 _gtk_marshal_VOID__VOID,
1033 * GtkTextView::cut-clipboard:
1034 * @text_view: the object which received the signal
1036 * The ::cut-clipboard signal is a
1037 * <link linkend="keybinding-signals">keybinding signal</link>
1038 * which gets emitted to cut the selection to the clipboard.
1040 * The default bindings for this signal are
1041 * Ctrl-x and Shift-Delete.
1043 signals[CUT_CLIPBOARD] =
1044 g_signal_new (I_("cut-clipboard"),
1045 G_OBJECT_CLASS_TYPE (gobject_class),
1046 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1047 G_STRUCT_OFFSET (GtkTextViewClass, cut_clipboard),
1049 _gtk_marshal_VOID__VOID,
1053 * GtkTextView::copy-clipboard:
1054 * @text_view: the object which received the signal
1056 * The ::copy-clipboard signal is a
1057 * <link linkend="keybinding-signals">keybinding signal</link>
1058 * which gets emitted to copy the selection to the clipboard.
1060 * The default bindings for this signal are
1061 * Ctrl-c and Ctrl-Insert.
1063 signals[COPY_CLIPBOARD] =
1064 g_signal_new (I_("copy-clipboard"),
1065 G_OBJECT_CLASS_TYPE (gobject_class),
1066 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1067 G_STRUCT_OFFSET (GtkTextViewClass, copy_clipboard),
1069 _gtk_marshal_VOID__VOID,
1073 * GtkTextView::paste-clipboard:
1074 * @text_view: the object which received the signal
1076 * The ::paste-clipboard signal is a
1077 * <link linkend="keybinding-signals">keybinding signal</link>
1078 * which gets emitted to paste the contents of the clipboard
1079 * into the text view.
1081 * The default bindings for this signal are
1082 * Ctrl-v and Shift-Insert.
1084 signals[PASTE_CLIPBOARD] =
1085 g_signal_new (I_("paste-clipboard"),
1086 G_OBJECT_CLASS_TYPE (gobject_class),
1087 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1088 G_STRUCT_OFFSET (GtkTextViewClass, paste_clipboard),
1090 _gtk_marshal_VOID__VOID,
1094 * GtkTextView::toggle-overwrite:
1095 * @text_view: the object which received the signal
1097 * The ::toggle-overwrite signal is a
1098 * <link linkend="keybinding-signals">keybinding signal</link>
1099 * which gets emitted to toggle the overwrite mode of the text view.
1101 * The default bindings for this signal is Insert.
1103 signals[TOGGLE_OVERWRITE] =
1104 g_signal_new (I_("toggle-overwrite"),
1105 G_OBJECT_CLASS_TYPE (gobject_class),
1106 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1107 G_STRUCT_OFFSET (GtkTextViewClass, toggle_overwrite),
1109 _gtk_marshal_VOID__VOID,
1113 * GtkTextView::populate-popup:
1114 * @text_view: The text view on which the signal is emitted
1115 * @menu: the menu that is being populated
1117 * The ::populate-popup signal gets emitted before showing the
1118 * context menu of the text view.
1120 * If you need to add items to the context menu, connect
1121 * to this signal and append your menuitems to the @menu.
1123 signals[POPULATE_POPUP] =
1124 g_signal_new (I_("populate-popup"),
1125 G_OBJECT_CLASS_TYPE (gobject_class),
1127 G_STRUCT_OFFSET (GtkTextViewClass, populate_popup),
1129 _gtk_marshal_VOID__OBJECT,
1134 * GtkTextView::select-all:
1135 * @text_view: the object which received the signal
1136 * @select: %TRUE to select, %FALSE to unselect
1138 * The ::select-all signal is a
1139 * <link linkend="keybinding-signals">keybinding signal</link>
1140 * which gets emitted to select or unselect the complete
1141 * contents of the text view.
1143 * The default bindings for this signal are Ctrl-a and Ctrl-/
1144 * for selecting and Shift-Ctrl-a and Ctrl-\ for unselecting.
1146 signals[SELECT_ALL] =
1147 g_signal_new_class_handler (I_("select-all"),
1148 G_OBJECT_CLASS_TYPE (gobject_class),
1149 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1150 G_CALLBACK (gtk_text_view_select_all),
1152 _gtk_marshal_VOID__BOOLEAN,
1153 G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
1156 * GtkTextView::toggle-cursor-visible:
1157 * @text_view: the object which received the signal
1159 * The ::toggle-cursor-visible signal is a
1160 * <link linkend="keybinding-signals">keybinding signal</link>
1161 * which gets emitted to toggle the visibility of the cursor.
1163 * The default binding for this signal is F7.
1165 signals[TOGGLE_CURSOR_VISIBLE] =
1166 g_signal_new_class_handler (I_("toggle-cursor-visible"),
1167 G_OBJECT_CLASS_TYPE (gobject_class),
1168 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1169 G_CALLBACK (gtk_text_view_toggle_cursor_visible),
1171 _gtk_marshal_VOID__VOID,
1175 * GtkTextView::preedit-changed:
1176 * @text_view: the object which received the signal
1177 * @preedit: the current preedit string
1179 * If an input method is used, the typed text will not immediately
1180 * be committed to the buffer. So if you are interested in the text,
1181 * connect to this signal.
1183 * This signal is only emitted if the text at the given position
1184 * is actually editable.
1188 signals[PREEDIT_CHANGED] =
1189 g_signal_new_class_handler (I_("preedit-changed"),
1190 G_OBJECT_CLASS_TYPE (gobject_class),
1191 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1194 _gtk_marshal_VOID__STRING,
1202 binding_set = gtk_binding_set_by_class (klass);
1204 /* Moving the insertion point */
1205 add_move_binding (binding_set, GDK_KEY_Right, 0,
1206 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
1208 add_move_binding (binding_set, GDK_KEY_KP_Right, 0,
1209 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
1211 add_move_binding (binding_set, GDK_KEY_Left, 0,
1212 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
1214 add_move_binding (binding_set, GDK_KEY_KP_Left, 0,
1215 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
1217 add_move_binding (binding_set, GDK_KEY_Right, GDK_CONTROL_MASK,
1218 GTK_MOVEMENT_WORDS, 1);
1220 add_move_binding (binding_set, GDK_KEY_KP_Right, GDK_CONTROL_MASK,
1221 GTK_MOVEMENT_WORDS, 1);
1223 add_move_binding (binding_set, GDK_KEY_Left, GDK_CONTROL_MASK,
1224 GTK_MOVEMENT_WORDS, -1);
1226 add_move_binding (binding_set, GDK_KEY_KP_Left, GDK_CONTROL_MASK,
1227 GTK_MOVEMENT_WORDS, -1);
1229 add_move_binding (binding_set, GDK_KEY_Up, 0,
1230 GTK_MOVEMENT_DISPLAY_LINES, -1);
1232 add_move_binding (binding_set, GDK_KEY_KP_Up, 0,
1233 GTK_MOVEMENT_DISPLAY_LINES, -1);
1235 add_move_binding (binding_set, GDK_KEY_Down, 0,
1236 GTK_MOVEMENT_DISPLAY_LINES, 1);
1238 add_move_binding (binding_set, GDK_KEY_KP_Down, 0,
1239 GTK_MOVEMENT_DISPLAY_LINES, 1);
1241 add_move_binding (binding_set, GDK_KEY_Up, GDK_CONTROL_MASK,
1242 GTK_MOVEMENT_PARAGRAPHS, -1);
1244 add_move_binding (binding_set, GDK_KEY_KP_Up, GDK_CONTROL_MASK,
1245 GTK_MOVEMENT_PARAGRAPHS, -1);
1247 add_move_binding (binding_set, GDK_KEY_Down, GDK_CONTROL_MASK,
1248 GTK_MOVEMENT_PARAGRAPHS, 1);
1250 add_move_binding (binding_set, GDK_KEY_KP_Down, GDK_CONTROL_MASK,
1251 GTK_MOVEMENT_PARAGRAPHS, 1);
1253 add_move_binding (binding_set, GDK_KEY_Home, 0,
1254 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
1256 add_move_binding (binding_set, GDK_KEY_KP_Home, 0,
1257 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
1259 add_move_binding (binding_set, GDK_KEY_End, 0,
1260 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
1262 add_move_binding (binding_set, GDK_KEY_KP_End, 0,
1263 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
1265 add_move_binding (binding_set, GDK_KEY_Home, GDK_CONTROL_MASK,
1266 GTK_MOVEMENT_BUFFER_ENDS, -1);
1268 add_move_binding (binding_set, GDK_KEY_KP_Home, GDK_CONTROL_MASK,
1269 GTK_MOVEMENT_BUFFER_ENDS, -1);
1271 add_move_binding (binding_set, GDK_KEY_End, GDK_CONTROL_MASK,
1272 GTK_MOVEMENT_BUFFER_ENDS, 1);
1274 add_move_binding (binding_set, GDK_KEY_KP_End, GDK_CONTROL_MASK,
1275 GTK_MOVEMENT_BUFFER_ENDS, 1);
1277 add_move_binding (binding_set, GDK_KEY_Page_Up, 0,
1278 GTK_MOVEMENT_PAGES, -1);
1280 add_move_binding (binding_set, GDK_KEY_KP_Page_Up, 0,
1281 GTK_MOVEMENT_PAGES, -1);
1283 add_move_binding (binding_set, GDK_KEY_Page_Down, 0,
1284 GTK_MOVEMENT_PAGES, 1);
1286 add_move_binding (binding_set, GDK_KEY_KP_Page_Down, 0,
1287 GTK_MOVEMENT_PAGES, 1);
1289 add_move_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK,
1290 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
1292 add_move_binding (binding_set, GDK_KEY_KP_Page_Up, GDK_CONTROL_MASK,
1293 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
1295 add_move_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK,
1296 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
1298 add_move_binding (binding_set, GDK_KEY_KP_Page_Down, GDK_CONTROL_MASK,
1299 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
1302 gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_CONTROL_MASK,
1304 G_TYPE_BOOLEAN, TRUE);
1306 gtk_binding_entry_add_signal (binding_set, GDK_KEY_slash, GDK_CONTROL_MASK,
1308 G_TYPE_BOOLEAN, TRUE);
1311 gtk_binding_entry_add_signal (binding_set, GDK_KEY_backslash, GDK_CONTROL_MASK,
1313 G_TYPE_BOOLEAN, FALSE);
1315 gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1317 G_TYPE_BOOLEAN, FALSE);
1320 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0,
1321 "delete-from-cursor", 2,
1322 G_TYPE_ENUM, GTK_DELETE_CHARS,
1325 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0,
1326 "delete-from-cursor", 2,
1327 G_TYPE_ENUM, GTK_DELETE_CHARS,
1330 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, 0,
1333 /* Make this do the same as Backspace, to help with mis-typing */
1334 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK,
1337 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_CONTROL_MASK,
1338 "delete-from-cursor", 2,
1339 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
1342 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_CONTROL_MASK,
1343 "delete-from-cursor", 2,
1344 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
1347 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, 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_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1353 "delete-from-cursor", 2,
1354 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1357 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1358 "delete-from-cursor", 2,
1359 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1362 gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1363 "delete-from-cursor", 2,
1364 G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
1367 /* Cut/copy/paste */
1369 gtk_binding_entry_add_signal (binding_set, GDK_KEY_x, GDK_CONTROL_MASK,
1370 "cut-clipboard", 0);
1371 gtk_binding_entry_add_signal (binding_set, GDK_KEY_c, GDK_CONTROL_MASK,
1372 "copy-clipboard", 0);
1373 gtk_binding_entry_add_signal (binding_set, GDK_KEY_v, GDK_CONTROL_MASK,
1374 "paste-clipboard", 0);
1376 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK,
1377 "cut-clipboard", 0);
1378 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_CONTROL_MASK,
1379 "copy-clipboard", 0);
1380 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_SHIFT_MASK,
1381 "paste-clipboard", 0);
1384 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, 0,
1385 "toggle-overwrite", 0);
1386 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, 0,
1387 "toggle-overwrite", 0);
1390 gtk_binding_entry_add_signal (binding_set, GDK_KEY_F7, 0,
1391 "toggle-cursor-visible", 0);
1393 /* Control-tab focus motion */
1394 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_CONTROL_MASK,
1396 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1397 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_CONTROL_MASK,
1399 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1401 gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1403 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1404 gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1406 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1408 g_type_class_add_private (gobject_class, sizeof (GtkTextViewPrivate));
1410 gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TEXT_VIEW_ACCESSIBLE);
1411 test_touchscreen = g_getenv ("GTK_TEST_TOUCHSCREEN") != NULL;
1415 gtk_text_view_init (GtkTextView *text_view)
1417 GtkWidget *widget = GTK_WIDGET (text_view);
1418 GtkTargetList *target_list;
1419 GtkTextViewPrivate *priv;
1421 text_view->priv = GTK_TEXT_VIEW_GET_PRIVATE (text_view);
1422 priv = text_view->priv;
1424 gtk_widget_set_can_focus (widget, TRUE);
1426 /* Set up default style */
1427 priv->wrap_mode = GTK_WRAP_NONE;
1428 priv->pixels_above_lines = 0;
1429 priv->pixels_below_lines = 0;
1430 priv->pixels_inside_wrap = 0;
1431 priv->justify = GTK_JUSTIFY_LEFT;
1432 priv->left_margin = 0;
1433 priv->right_margin = 0;
1436 priv->editable = TRUE;
1438 priv->scroll_after_paste = TRUE;
1440 gtk_drag_dest_set (widget, 0, NULL, 0,
1441 GDK_ACTION_COPY | GDK_ACTION_MOVE);
1443 target_list = gtk_target_list_new (NULL, 0);
1444 gtk_drag_dest_set_target_list (widget, target_list);
1445 gtk_target_list_unref (target_list);
1447 priv->virtual_cursor_x = -1;
1448 priv->virtual_cursor_y = -1;
1450 /* This object is completely private. No external entity can gain a reference
1451 * to it; so we create it here and destroy it in finalize ().
1453 priv->im_context = gtk_im_multicontext_new ();
1455 g_signal_connect (priv->im_context, "commit",
1456 G_CALLBACK (gtk_text_view_commit_handler), text_view);
1457 g_signal_connect (priv->im_context, "preedit-changed",
1458 G_CALLBACK (gtk_text_view_preedit_changed_handler), text_view);
1459 g_signal_connect (priv->im_context, "retrieve-surrounding",
1460 G_CALLBACK (gtk_text_view_retrieve_surrounding_handler), text_view);
1461 g_signal_connect (priv->im_context, "delete-surrounding",
1462 G_CALLBACK (gtk_text_view_delete_surrounding_handler), text_view);
1464 priv->cursor_visible = TRUE;
1466 priv->accepts_tab = TRUE;
1468 priv->text_window = text_window_new (GTK_TEXT_WINDOW_TEXT,
1471 priv->drag_start_x = -1;
1472 priv->drag_start_y = -1;
1474 priv->pending_place_cursor_button = 0;
1476 /* We handle all our own redrawing */
1477 gtk_widget_set_redraw_on_allocate (widget, FALSE);
1479 priv->text_handle = _gtk_text_handle_new (widget);
1480 g_signal_connect (priv->text_handle, "handle-dragged",
1481 G_CALLBACK (gtk_text_view_handle_dragged), text_view);
1485 * gtk_text_view_new:
1487 * Creates a new #GtkTextView. If you don't call gtk_text_view_set_buffer()
1488 * before using the text view, an empty default buffer will be created
1489 * for you. Get the buffer with gtk_text_view_get_buffer(). If you want
1490 * to specify your own buffer, consider gtk_text_view_new_with_buffer().
1492 * Return value: a new #GtkTextView
1495 gtk_text_view_new (void)
1497 return g_object_new (GTK_TYPE_TEXT_VIEW, NULL);
1501 * gtk_text_view_new_with_buffer:
1502 * @buffer: a #GtkTextBuffer
1504 * Creates a new #GtkTextView widget displaying the buffer
1505 * @buffer. One buffer can be shared among many widgets.
1506 * @buffer may be %NULL to create a default buffer, in which case
1507 * this function is equivalent to gtk_text_view_new(). The
1508 * text view adds its own reference count to the buffer; it does not
1509 * take over an existing reference.
1511 * Return value: a new #GtkTextView.
1514 gtk_text_view_new_with_buffer (GtkTextBuffer *buffer)
1516 GtkTextView *text_view;
1518 text_view = (GtkTextView*)gtk_text_view_new ();
1520 gtk_text_view_set_buffer (text_view, buffer);
1522 return GTK_WIDGET (text_view);
1526 * gtk_text_view_set_buffer:
1527 * @text_view: a #GtkTextView
1528 * @buffer: (allow-none): a #GtkTextBuffer
1530 * Sets @buffer as the buffer being displayed by @text_view. The previous
1531 * buffer displayed by the text view is unreferenced, and a reference is
1532 * added to @buffer. If you owned a reference to @buffer before passing it
1533 * to this function, you must remove that reference yourself; #GtkTextView
1534 * will not "adopt" it.
1537 gtk_text_view_set_buffer (GtkTextView *text_view,
1538 GtkTextBuffer *buffer)
1540 GtkTextViewPrivate *priv;
1541 GtkTextBuffer *old_buffer;
1543 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1544 g_return_if_fail (buffer == NULL || GTK_IS_TEXT_BUFFER (buffer));
1546 priv = text_view->priv;
1548 if (priv->buffer == buffer)
1551 old_buffer = priv->buffer;
1552 if (priv->buffer != NULL)
1554 /* Destroy all anchored children */
1558 copy = g_slist_copy (priv->children);
1560 while (tmp_list != NULL)
1562 GtkTextViewChild *vc = tmp_list->data;
1566 gtk_widget_destroy (vc->widget);
1567 /* vc may now be invalid! */
1570 tmp_list = g_slist_next (tmp_list);
1573 g_slist_free (copy);
1575 g_signal_handlers_disconnect_by_func (priv->buffer,
1576 gtk_text_view_mark_set_handler,
1578 g_signal_handlers_disconnect_by_func (priv->buffer,
1579 gtk_text_view_target_list_notify,
1581 g_signal_handlers_disconnect_by_func (priv->buffer,
1582 gtk_text_view_paste_done_handler,
1584 g_signal_handlers_disconnect_by_func (priv->buffer,
1585 gtk_text_view_buffer_changed_handler,
1588 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
1590 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1591 GDK_SELECTION_PRIMARY);
1592 gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
1596 gtk_text_layout_set_buffer (priv->layout, NULL);
1598 priv->dnd_mark = NULL;
1599 priv->first_para_mark = NULL;
1600 cancel_pending_scroll (text_view);
1603 priv->buffer = buffer;
1606 gtk_text_layout_set_buffer (priv->layout, buffer);
1612 g_object_ref (buffer);
1614 gtk_text_buffer_get_iter_at_offset (priv->buffer, &start, 0);
1616 priv->dnd_mark = gtk_text_buffer_create_mark (priv->buffer,
1620 priv->first_para_mark = gtk_text_buffer_create_mark (priv->buffer,
1624 priv->first_para_pixels = 0;
1627 g_signal_connect (priv->buffer, "mark-set",
1628 G_CALLBACK (gtk_text_view_mark_set_handler),
1630 g_signal_connect (priv->buffer, "notify::paste-target-list",
1631 G_CALLBACK (gtk_text_view_target_list_notify),
1633 g_signal_connect (priv->buffer, "paste-done",
1634 G_CALLBACK (gtk_text_view_paste_done_handler),
1636 g_signal_connect (priv->buffer, "changed",
1637 G_CALLBACK (gtk_text_view_buffer_changed_handler),
1640 gtk_text_view_target_list_notify (priv->buffer, NULL, text_view);
1642 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
1644 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1645 GDK_SELECTION_PRIMARY);
1646 gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
1649 gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_NONE);
1652 _gtk_text_view_accessible_set_buffer (text_view, old_buffer);
1654 g_object_unref (old_buffer);
1656 g_object_notify (G_OBJECT (text_view), "buffer");
1658 if (gtk_widget_get_visible (GTK_WIDGET (text_view)))
1659 gtk_widget_queue_draw (GTK_WIDGET (text_view));
1661 DV(g_print ("Invalidating due to set_buffer\n"));
1662 gtk_text_view_invalidate (text_view);
1665 static GtkTextBuffer*
1666 get_buffer (GtkTextView *text_view)
1668 if (text_view->priv->buffer == NULL)
1671 b = gtk_text_buffer_new (NULL);
1672 gtk_text_view_set_buffer (text_view, b);
1676 return text_view->priv->buffer;
1680 * gtk_text_view_get_buffer:
1681 * @text_view: a #GtkTextView
1683 * Returns the #GtkTextBuffer being displayed by this text view.
1684 * The reference count on the buffer is not incremented; the caller
1685 * of this function won't own a new reference.
1687 * Return value: (transfer none): a #GtkTextBuffer
1690 gtk_text_view_get_buffer (GtkTextView *text_view)
1692 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
1694 return get_buffer (text_view);
1698 * gtk_text_view_get_cursor_locations:
1699 * @text_view: a #GtkTextView
1700 * @iter: (allow-none): a #GtkTextIter
1701 * @strong: (out) (allow-none): location to store the strong
1702 * cursor position (may be %NULL)
1703 * @weak: (out) (allow-none): location to store the weak
1704 * cursor position (may be %NULL)
1706 * Given an @iter within a text layout, determine the positions of the
1707 * strong and weak cursors if the insertion point is at that
1708 * iterator. The position of each cursor is stored as a zero-width
1709 * rectangle. The strong cursor location is the location where
1710 * characters of the directionality equal to the base direction of the
1711 * paragraph are inserted. The weak cursor location is the location
1712 * where characters of the directionality opposite to the base
1713 * direction of the paragraph are inserted.
1715 * If @iter is %NULL, the actual cursor position is used.
1717 * Note that if @iter happens to be the actual cursor position, and
1718 * there is currently an IM preedit sequence being entered, the
1719 * returned locations will be adjusted to account for the preedit
1720 * cursor's offset within the preedit sequence.
1722 * The rectangle position is in buffer coordinates; use
1723 * gtk_text_view_buffer_to_window_coords() to convert these
1724 * coordinates to coordinates for one of the windows in the text view.
1729 gtk_text_view_get_cursor_locations (GtkTextView *text_view,
1730 const GtkTextIter *iter,
1731 GdkRectangle *strong,
1736 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1737 g_return_if_fail (iter == NULL ||
1738 gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1740 gtk_text_view_ensure_layout (text_view);
1745 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
1746 gtk_text_buffer_get_insert (get_buffer (text_view)));
1748 gtk_text_layout_get_cursor_locations (text_view->priv->layout, &insert,
1753 * gtk_text_view_get_iter_at_location:
1754 * @text_view: a #GtkTextView
1755 * @iter: (out): a #GtkTextIter
1756 * @x: x position, in buffer coordinates
1757 * @y: y position, in buffer coordinates
1759 * Retrieves the iterator at buffer coordinates @x and @y. Buffer
1760 * coordinates are coordinates for the entire buffer, not just the
1761 * currently-displayed portion. If you have coordinates from an
1762 * event, you have to convert those to buffer coordinates with
1763 * gtk_text_view_window_to_buffer_coords().
1766 gtk_text_view_get_iter_at_location (GtkTextView *text_view,
1771 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1772 g_return_if_fail (iter != NULL);
1774 gtk_text_view_ensure_layout (text_view);
1776 gtk_text_layout_get_iter_at_pixel (text_view->priv->layout,
1781 * gtk_text_view_get_iter_at_position:
1782 * @text_view: a #GtkTextView
1783 * @iter: (out): a #GtkTextIter
1784 * @trailing: (out) (allow-none): if non-%NULL, location to store an integer indicating where
1785 * in the grapheme the user clicked. It will either be
1786 * zero, or the number of characters in the grapheme.
1787 * 0 represents the trailing edge of the grapheme.
1788 * @x: x position, in buffer coordinates
1789 * @y: y position, in buffer coordinates
1791 * Retrieves the iterator pointing to the character at buffer
1792 * coordinates @x and @y. Buffer coordinates are coordinates for
1793 * the entire buffer, not just the currently-displayed portion.
1794 * If you have coordinates from an event, you have to convert
1795 * those to buffer coordinates with
1796 * gtk_text_view_window_to_buffer_coords().
1798 * Note that this is different from gtk_text_view_get_iter_at_location(),
1799 * which returns cursor locations, i.e. positions <emphasis>between</emphasis>
1805 gtk_text_view_get_iter_at_position (GtkTextView *text_view,
1811 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1812 g_return_if_fail (iter != NULL);
1814 gtk_text_view_ensure_layout (text_view);
1816 gtk_text_layout_get_iter_at_position (text_view->priv->layout,
1817 iter, trailing, x, y);
1821 * gtk_text_view_get_iter_location:
1822 * @text_view: a #GtkTextView
1823 * @iter: a #GtkTextIter
1824 * @location: (out): bounds of the character at @iter
1826 * Gets a rectangle which roughly contains the character at @iter.
1827 * The rectangle position is in buffer coordinates; use
1828 * gtk_text_view_buffer_to_window_coords() to convert these
1829 * coordinates to coordinates for one of the windows in the text view.
1832 gtk_text_view_get_iter_location (GtkTextView *text_view,
1833 const GtkTextIter *iter,
1834 GdkRectangle *location)
1836 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1837 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1839 gtk_text_view_ensure_layout (text_view);
1841 gtk_text_layout_get_iter_location (text_view->priv->layout, iter, location);
1845 * gtk_text_view_get_line_yrange:
1846 * @text_view: a #GtkTextView
1847 * @iter: a #GtkTextIter
1848 * @y: (out): return location for a y coordinate
1849 * @height: (out): return location for a height
1851 * Gets the y coordinate of the top of the line containing @iter,
1852 * and the height of the line. The coordinate is a buffer coordinate;
1853 * convert to window coordinates with gtk_text_view_buffer_to_window_coords().
1856 gtk_text_view_get_line_yrange (GtkTextView *text_view,
1857 const GtkTextIter *iter,
1861 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1862 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1864 gtk_text_view_ensure_layout (text_view);
1866 gtk_text_layout_get_line_yrange (text_view->priv->layout,
1873 * gtk_text_view_get_line_at_y:
1874 * @text_view: a #GtkTextView
1875 * @target_iter: (out): a #GtkTextIter
1876 * @y: a y coordinate
1877 * @line_top: (out): return location for top coordinate of the line
1879 * Gets the #GtkTextIter at the start of the line containing
1880 * the coordinate @y. @y is in buffer coordinates, convert from
1881 * window coordinates with gtk_text_view_window_to_buffer_coords().
1882 * If non-%NULL, @line_top will be filled with the coordinate of the top
1886 gtk_text_view_get_line_at_y (GtkTextView *text_view,
1887 GtkTextIter *target_iter,
1891 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1893 gtk_text_view_ensure_layout (text_view);
1895 gtk_text_layout_get_line_at_y (text_view->priv->layout,
1902 * gtk_text_view_scroll_to_iter:
1903 * @text_view: a #GtkTextView
1904 * @iter: a #GtkTextIter
1905 * @within_margin: margin as a [0.0,0.5) fraction of screen size
1906 * @use_align: whether to use alignment arguments (if %FALSE,
1907 * just get the mark onscreen)
1908 * @xalign: horizontal alignment of mark within visible area
1909 * @yalign: vertical alignment of mark within visible area
1911 * Scrolls @text_view so that @iter is on the screen in the position
1912 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
1913 * left or top, 1.0 indicates right or bottom, 0.5 means center.
1914 * If @use_align is %FALSE, the text scrolls the minimal distance to
1915 * get the mark onscreen, possibly not scrolling at all. The effective
1916 * screen for purposes of this function is reduced by a margin of size
1919 * Note that this function uses the currently-computed height of the
1920 * lines in the text buffer. Line heights are computed in an idle
1921 * handler; so this function may not have the desired effect if it's
1922 * called before the height computations. To avoid oddness, consider
1923 * using gtk_text_view_scroll_to_mark() which saves a point to be
1924 * scrolled to after line validation.
1926 * Return value: %TRUE if scrolling occurred
1929 gtk_text_view_scroll_to_iter (GtkTextView *text_view,
1931 gdouble within_margin,
1937 GdkRectangle screen;
1942 gboolean retval = FALSE;
1944 gint screen_xoffset, screen_yoffset;
1945 gint current_x_scroll, current_y_scroll;
1947 /* FIXME why don't we do the validate-at-scroll-destination thing
1948 * from flush_scroll in this function? I think it wasn't done before
1949 * because changed_handler was screwed up, but I could be wrong.
1952 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
1953 g_return_val_if_fail (iter != NULL, FALSE);
1954 g_return_val_if_fail (within_margin >= 0.0 && within_margin < 0.5, FALSE);
1955 g_return_val_if_fail (xalign >= 0.0 && xalign <= 1.0, FALSE);
1956 g_return_val_if_fail (yalign >= 0.0 && yalign <= 1.0, FALSE);
1958 widget = GTK_WIDGET (text_view);
1960 DV(g_print(G_STRLOC"\n"));
1962 gtk_text_layout_get_iter_location (text_view->priv->layout,
1966 DV (g_print (" target rect %d,%d %d x %d\n", rect.x, rect.y, rect.width, rect.height));
1968 current_x_scroll = text_view->priv->xoffset;
1969 current_y_scroll = text_view->priv->yoffset;
1971 screen.x = current_x_scroll;
1972 screen.y = current_y_scroll;
1973 screen.width = SCREEN_WIDTH (widget);
1974 screen.height = SCREEN_HEIGHT (widget);
1976 screen_xoffset = screen.width * within_margin;
1977 screen_yoffset = screen.height * within_margin;
1979 screen.x += screen_xoffset;
1980 screen.y += screen_yoffset;
1981 screen.width -= screen_xoffset * 2;
1982 screen.height -= screen_yoffset * 2;
1984 /* paranoia check */
1985 if (screen.width < 1)
1987 if (screen.height < 1)
1990 /* The -1 here ensures that we leave enough space to draw the cursor
1991 * when this function is used for horizontal scrolling.
1993 screen_right = screen.x + screen.width - 1;
1994 screen_bottom = screen.y + screen.height;
1996 /* The alignment affects the point in the target character that we
1997 * choose to align. If we're doing right/bottom alignment, we align
1998 * the right/bottom edge of the character the mark is at; if we're
1999 * doing left/top we align the left/top edge of the character; if
2000 * we're doing center alignment we align the center of the
2004 /* Vertical scroll */
2007 scroll_dest = current_y_scroll;
2011 scroll_dest = rect.y + (rect.height * yalign) - (screen.height * yalign);
2013 /* if scroll_dest < screen.y, we move a negative increment (up),
2014 * else a positive increment (down)
2016 scroll_inc = scroll_dest - screen.y + screen_yoffset;
2020 /* move minimum to get onscreen */
2021 if (rect.y < screen.y)
2023 scroll_dest = rect.y;
2024 scroll_inc = scroll_dest - screen.y - screen_yoffset;
2026 else if ((rect.y + rect.height) > screen_bottom)
2028 scroll_dest = rect.y + rect.height;
2029 scroll_inc = scroll_dest - screen_bottom + screen_yoffset;
2033 if (scroll_inc != 0)
2035 gtk_adjustment_set_value (text_view->priv->vadjustment,
2036 current_y_scroll + scroll_inc);
2038 DV (g_print (" vert increment %d\n", scroll_inc));
2041 /* Horizontal scroll */
2044 scroll_dest = current_x_scroll;
2048 scroll_dest = rect.x + (rect.width * xalign) - (screen.width * xalign);
2050 /* if scroll_dest < screen.y, we move a negative increment (left),
2051 * else a positive increment (right)
2053 scroll_inc = scroll_dest - screen.x + screen_xoffset;
2057 /* move minimum to get onscreen */
2058 if (rect.x < screen.x)
2060 scroll_dest = rect.x;
2061 scroll_inc = scroll_dest - screen.x - screen_xoffset;
2063 else if ((rect.x + rect.width) > screen_right)
2065 scroll_dest = rect.x + rect.width;
2066 scroll_inc = scroll_dest - screen_right + screen_xoffset;
2070 if (scroll_inc != 0)
2072 gtk_adjustment_set_value (text_view->priv->hadjustment,
2073 current_x_scroll + scroll_inc);
2075 DV (g_print (" horiz increment %d\n", scroll_inc));
2078 retval = (current_y_scroll != gtk_adjustment_get_value (text_view->priv->vadjustment))
2079 || (current_x_scroll != gtk_adjustment_get_value (text_view->priv->hadjustment));
2083 DV(g_print (">Actually scrolled ("G_STRLOC")\n"));
2087 DV(g_print (">Didn't end up scrolling ("G_STRLOC")\n"));
2094 free_pending_scroll (GtkTextPendingScroll *scroll)
2096 if (!gtk_text_mark_get_deleted (scroll->mark))
2097 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (scroll->mark),
2099 g_object_unref (scroll->mark);
2104 cancel_pending_scroll (GtkTextView *text_view)
2106 if (text_view->priv->pending_scroll)
2108 free_pending_scroll (text_view->priv->pending_scroll);
2109 text_view->priv->pending_scroll = NULL;
2114 gtk_text_view_queue_scroll (GtkTextView *text_view,
2116 gdouble within_margin,
2122 GtkTextPendingScroll *scroll;
2124 DV(g_print(G_STRLOC"\n"));
2126 scroll = g_new (GtkTextPendingScroll, 1);
2128 scroll->within_margin = within_margin;
2129 scroll->use_align = use_align;
2130 scroll->xalign = xalign;
2131 scroll->yalign = yalign;
2133 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
2135 scroll->mark = gtk_text_buffer_create_mark (get_buffer (text_view),
2138 gtk_text_mark_get_left_gravity (mark));
2140 g_object_ref (scroll->mark);
2142 cancel_pending_scroll (text_view);
2144 text_view->priv->pending_scroll = scroll;
2148 gtk_text_view_flush_scroll (GtkTextView *text_view)
2150 GtkAllocation allocation;
2152 GtkTextPendingScroll *scroll;
2156 widget = GTK_WIDGET (text_view);
2158 DV(g_print(G_STRLOC"\n"));
2160 if (text_view->priv->pending_scroll == NULL)
2162 DV (g_print ("in flush scroll, no pending scroll\n"));
2166 scroll = text_view->priv->pending_scroll;
2168 /* avoid recursion */
2169 text_view->priv->pending_scroll = NULL;
2171 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, scroll->mark);
2173 /* Validate area around the scroll destination, so the adjustment
2174 * can meaningfully point into that area. We must validate
2175 * enough area to be sure that after we scroll, everything onscreen
2176 * is valid; otherwise, validation will maintain the first para
2177 * in one place, but may push the target iter off the bottom of
2180 DV(g_print (">Validating scroll destination ("G_STRLOC")\n"));
2181 gtk_widget_get_allocation (widget, &allocation);
2182 gtk_text_layout_validate_yrange (text_view->priv->layout, &iter,
2183 -(allocation.height * 2),
2184 allocation.height * 2);
2186 DV(g_print (">Done validating scroll destination ("G_STRLOC")\n"));
2188 /* Ensure we have updated width/height */
2189 gtk_text_view_update_adjustments (text_view);
2191 retval = gtk_text_view_scroll_to_iter (text_view,
2193 scroll->within_margin,
2198 free_pending_scroll (scroll);
2204 gtk_text_view_update_adjustments (GtkTextView *text_view)
2206 GtkTextViewPrivate *priv;
2207 gint width = 0, height = 0;
2209 DV(g_print(">Updating adjustments ("G_STRLOC")\n"));
2211 priv = text_view->priv;
2214 gtk_text_layout_get_size (priv->layout, &width, &height);
2216 /* Make room for the cursor after the last character in the widest line */
2217 width += SPACE_FOR_CURSOR;
2219 if (priv->width != width || priv->height != height)
2221 if (priv->width != width)
2222 priv->width_changed = TRUE;
2224 priv->width = width;
2225 priv->height = height;
2227 gtk_text_view_set_hadjustment_values (text_view);
2228 gtk_text_view_set_vadjustment_values (text_view);
2233 gtk_text_view_update_layout_width (GtkTextView *text_view)
2235 DV(g_print(">Updating layout width ("G_STRLOC")\n"));
2237 gtk_text_view_ensure_layout (text_view);
2239 gtk_text_layout_set_screen_width (text_view->priv->layout,
2240 MAX (1, SCREEN_WIDTH (text_view) - SPACE_FOR_CURSOR));
2244 gtk_text_view_update_im_spot_location (GtkTextView *text_view)
2248 if (text_view->priv->layout == NULL)
2251 gtk_text_view_get_cursor_locations (text_view, NULL, &area, NULL);
2253 area.x -= text_view->priv->xoffset;
2254 area.y -= text_view->priv->yoffset;
2256 /* Width returned by Pango indicates direction of cursor,
2257 * by its sign more than the size of cursor.
2261 gtk_im_context_set_cursor_location (text_view->priv->im_context, &area);
2265 do_update_im_spot_location (gpointer text_view)
2267 GtkTextViewPrivate *priv;
2269 priv = GTK_TEXT_VIEW (text_view)->priv;
2270 priv->im_spot_idle = 0;
2272 gtk_text_view_update_im_spot_location (text_view);
2277 queue_update_im_spot_location (GtkTextView *text_view)
2279 GtkTextViewPrivate *priv;
2281 priv = text_view->priv;
2283 /* Use priority a little higher than GTK_TEXT_VIEW_PRIORITY_VALIDATE,
2284 * so we don't wait until the entire buffer has been validated. */
2285 if (!priv->im_spot_idle)
2286 priv->im_spot_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE - 1,
2287 do_update_im_spot_location,
2293 flush_update_im_spot_location (GtkTextView *text_view)
2295 GtkTextViewPrivate *priv;
2297 priv = text_view->priv;
2299 if (priv->im_spot_idle)
2301 g_source_remove (priv->im_spot_idle);
2302 priv->im_spot_idle = 0;
2303 gtk_text_view_update_im_spot_location (text_view);
2308 * gtk_text_view_scroll_to_mark:
2309 * @text_view: a #GtkTextView
2310 * @mark: a #GtkTextMark
2311 * @within_margin: margin as a [0.0,0.5) fraction of screen size
2312 * @use_align: whether to use alignment arguments (if %FALSE, just
2313 * get the mark onscreen)
2314 * @xalign: horizontal alignment of mark within visible area
2315 * @yalign: vertical alignment of mark within visible area
2317 * Scrolls @text_view so that @mark is on the screen in the position
2318 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
2319 * left or top, 1.0 indicates right or bottom, 0.5 means center.
2320 * If @use_align is %FALSE, the text scrolls the minimal distance to
2321 * get the mark onscreen, possibly not scrolling at all. The effective
2322 * screen for purposes of this function is reduced by a margin of size
2326 gtk_text_view_scroll_to_mark (GtkTextView *text_view,
2328 gdouble within_margin,
2333 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2334 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
2335 g_return_if_fail (within_margin >= 0.0 && within_margin < 0.5);
2336 g_return_if_fail (xalign >= 0.0 && xalign <= 1.0);
2337 g_return_if_fail (yalign >= 0.0 && yalign <= 1.0);
2339 /* We need to verify that the buffer contains the mark, otherwise this
2340 * can lead to data structure corruption later on.
2342 g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
2344 gtk_text_view_queue_scroll (text_view, mark,
2350 /* If no validation is pending, we need to go ahead and force an
2353 if (text_view->priv->layout &&
2354 gtk_text_layout_is_valid (text_view->priv->layout))
2355 gtk_text_view_flush_scroll (text_view);
2359 * gtk_text_view_scroll_mark_onscreen:
2360 * @text_view: a #GtkTextView
2361 * @mark: a mark in the buffer for @text_view
2363 * Scrolls @text_view the minimum distance such that @mark is contained
2364 * within the visible area of the widget.
2367 gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
2370 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2371 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
2373 /* We need to verify that the buffer contains the mark, otherwise this
2374 * can lead to data structure corruption later on.
2376 g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
2378 gtk_text_view_scroll_to_mark (text_view, mark, 0.0, FALSE, 0.0, 0.0);
2382 clamp_iter_onscreen (GtkTextView *text_view, GtkTextIter *iter)
2384 GdkRectangle visible_rect;
2385 gtk_text_view_get_visible_rect (text_view, &visible_rect);
2387 return gtk_text_layout_clamp_iter_to_vrange (text_view->priv->layout, iter,
2389 visible_rect.y + visible_rect.height);
2393 * gtk_text_view_move_mark_onscreen:
2394 * @text_view: a #GtkTextView
2395 * @mark: a #GtkTextMark
2397 * Moves a mark within the buffer so that it's
2398 * located within the currently-visible text area.
2400 * Return value: %TRUE if the mark moved (wasn't already onscreen)
2403 gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
2408 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2409 g_return_val_if_fail (mark != NULL, FALSE);
2411 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
2413 if (clamp_iter_onscreen (text_view, &iter))
2415 gtk_text_buffer_move_mark (get_buffer (text_view), mark, &iter);
2423 * gtk_text_view_get_visible_rect:
2424 * @text_view: a #GtkTextView
2425 * @visible_rect: (out): rectangle to fill
2427 * Fills @visible_rect with the currently-visible
2428 * region of the buffer, in buffer coordinates. Convert to window coordinates
2429 * with gtk_text_view_buffer_to_window_coords().
2432 gtk_text_view_get_visible_rect (GtkTextView *text_view,
2433 GdkRectangle *visible_rect)
2437 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2439 widget = GTK_WIDGET (text_view);
2443 visible_rect->x = text_view->priv->xoffset;
2444 visible_rect->y = text_view->priv->yoffset;
2445 visible_rect->width = SCREEN_WIDTH (widget);
2446 visible_rect->height = SCREEN_HEIGHT (widget);
2448 DV(g_print(" visible rect: %d,%d %d x %d\n",
2451 visible_rect->width,
2452 visible_rect->height));
2457 * gtk_text_view_set_wrap_mode:
2458 * @text_view: a #GtkTextView
2459 * @wrap_mode: a #GtkWrapMode
2461 * Sets the line wrapping for the view.
2464 gtk_text_view_set_wrap_mode (GtkTextView *text_view,
2465 GtkWrapMode wrap_mode)
2467 GtkTextViewPrivate *priv;
2469 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2471 priv = text_view->priv;
2473 if (priv->wrap_mode != wrap_mode)
2475 priv->wrap_mode = wrap_mode;
2477 if (priv->layout && priv->layout->default_style)
2479 priv->layout->default_style->wrap_mode = wrap_mode;
2480 gtk_text_layout_default_style_changed (priv->layout);
2484 g_object_notify (G_OBJECT (text_view), "wrap-mode");
2488 * gtk_text_view_get_wrap_mode:
2489 * @text_view: a #GtkTextView
2491 * Gets the line wrapping for the view.
2493 * Return value: the line wrap setting
2496 gtk_text_view_get_wrap_mode (GtkTextView *text_view)
2498 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_WRAP_NONE);
2500 return text_view->priv->wrap_mode;
2504 * gtk_text_view_set_editable:
2505 * @text_view: a #GtkTextView
2506 * @setting: whether it's editable
2508 * Sets the default editability of the #GtkTextView. You can override
2509 * this default setting with tags in the buffer, using the "editable"
2510 * attribute of tags.
2513 gtk_text_view_set_editable (GtkTextView *text_view,
2516 GtkTextViewPrivate *priv;
2518 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2520 priv = text_view->priv;
2521 setting = setting != FALSE;
2523 if (priv->editable != setting)
2527 gtk_text_view_reset_im_context(text_view);
2528 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
2529 gtk_im_context_focus_out (priv->im_context);
2532 priv->editable = setting;
2534 if (setting && gtk_widget_has_focus (GTK_WIDGET (text_view)))
2535 gtk_im_context_focus_in (priv->im_context);
2537 if (priv->layout && priv->layout->default_style)
2539 gtk_text_layout_set_overwrite_mode (priv->layout,
2540 priv->overwrite_mode && priv->editable);
2541 priv->layout->default_style->editable = priv->editable;
2542 gtk_text_layout_default_style_changed (priv->layout);
2545 g_object_notify (G_OBJECT (text_view), "editable");
2550 * gtk_text_view_get_editable:
2551 * @text_view: a #GtkTextView
2553 * Returns the default editability of the #GtkTextView. Tags in the
2554 * buffer may override this setting for some ranges of text.
2556 * Return value: whether text is editable by default
2559 gtk_text_view_get_editable (GtkTextView *text_view)
2561 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2563 return text_view->priv->editable;
2567 * gtk_text_view_set_pixels_above_lines:
2568 * @text_view: a #GtkTextView
2569 * @pixels_above_lines: pixels above paragraphs
2571 * Sets the default number of blank pixels above paragraphs in @text_view.
2572 * Tags in the buffer for @text_view may override the defaults.
2575 gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
2576 gint pixels_above_lines)
2578 GtkTextViewPrivate *priv;
2580 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2582 priv = text_view->priv;
2584 if (priv->pixels_above_lines != pixels_above_lines)
2586 priv->pixels_above_lines = pixels_above_lines;
2588 if (priv->layout && priv->layout->default_style)
2590 priv->layout->default_style->pixels_above_lines = pixels_above_lines;
2591 gtk_text_layout_default_style_changed (priv->layout);
2594 g_object_notify (G_OBJECT (text_view), "pixels-above-lines");
2599 * gtk_text_view_get_pixels_above_lines:
2600 * @text_view: a #GtkTextView
2602 * Gets the default number of pixels to put above paragraphs.
2604 * Return value: default number of pixels above paragraphs
2607 gtk_text_view_get_pixels_above_lines (GtkTextView *text_view)
2609 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2611 return text_view->priv->pixels_above_lines;
2615 * gtk_text_view_set_pixels_below_lines:
2616 * @text_view: a #GtkTextView
2617 * @pixels_below_lines: pixels below paragraphs
2619 * Sets the default number of pixels of blank space
2620 * to put below paragraphs in @text_view. May be overridden
2621 * by tags applied to @text_view's buffer.
2624 gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
2625 gint pixels_below_lines)
2627 GtkTextViewPrivate *priv;
2629 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2631 priv = text_view->priv;
2633 if (priv->pixels_below_lines != pixels_below_lines)
2635 priv->pixels_below_lines = pixels_below_lines;
2637 if (priv->layout && priv->layout->default_style)
2639 priv->layout->default_style->pixels_below_lines = pixels_below_lines;
2640 gtk_text_layout_default_style_changed (priv->layout);
2643 g_object_notify (G_OBJECT (text_view), "pixels-below-lines");
2648 * gtk_text_view_get_pixels_below_lines:
2649 * @text_view: a #GtkTextView
2651 * Gets the value set by gtk_text_view_set_pixels_below_lines().
2653 * Return value: default number of blank pixels below paragraphs
2656 gtk_text_view_get_pixels_below_lines (GtkTextView *text_view)
2658 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2660 return text_view->priv->pixels_below_lines;
2664 * gtk_text_view_set_pixels_inside_wrap:
2665 * @text_view: a #GtkTextView
2666 * @pixels_inside_wrap: default number of pixels between wrapped lines
2668 * Sets the default number of pixels of blank space to leave between
2669 * display/wrapped lines within a paragraph. May be overridden by
2670 * tags in @text_view's buffer.
2673 gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
2674 gint pixels_inside_wrap)
2676 GtkTextViewPrivate *priv;
2678 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2680 priv = text_view->priv;
2682 if (priv->pixels_inside_wrap != pixels_inside_wrap)
2684 priv->pixels_inside_wrap = pixels_inside_wrap;
2686 if (priv->layout && priv->layout->default_style)
2688 priv->layout->default_style->pixels_inside_wrap = pixels_inside_wrap;
2689 gtk_text_layout_default_style_changed (priv->layout);
2692 g_object_notify (G_OBJECT (text_view), "pixels-inside-wrap");
2697 * gtk_text_view_get_pixels_inside_wrap:
2698 * @text_view: a #GtkTextView
2700 * Gets the value set by gtk_text_view_set_pixels_inside_wrap().
2702 * Return value: default number of pixels of blank space between wrapped lines
2705 gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view)
2707 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2709 return text_view->priv->pixels_inside_wrap;
2713 * gtk_text_view_set_justification:
2714 * @text_view: a #GtkTextView
2715 * @justification: justification
2717 * Sets the default justification of text in @text_view.
2718 * Tags in the view's buffer may override the default.
2722 gtk_text_view_set_justification (GtkTextView *text_view,
2723 GtkJustification justification)
2725 GtkTextViewPrivate *priv;
2727 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2729 priv = text_view->priv;
2731 if (priv->justify != justification)
2733 priv->justify = justification;
2735 if (priv->layout && priv->layout->default_style)
2737 priv->layout->default_style->justification = justification;
2738 gtk_text_layout_default_style_changed (priv->layout);
2741 g_object_notify (G_OBJECT (text_view), "justification");
2746 * gtk_text_view_get_justification:
2747 * @text_view: a #GtkTextView
2749 * Gets the default justification of paragraphs in @text_view.
2750 * Tags in the buffer may override the default.
2752 * Return value: default justification
2755 gtk_text_view_get_justification (GtkTextView *text_view)
2757 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_JUSTIFY_LEFT);
2759 return text_view->priv->justify;
2763 * gtk_text_view_set_left_margin:
2764 * @text_view: a #GtkTextView
2765 * @left_margin: left margin in pixels
2767 * Sets the default left margin for text in @text_view.
2768 * Tags in the buffer may override the default.
2771 gtk_text_view_set_left_margin (GtkTextView *text_view,
2774 GtkTextViewPrivate *priv;
2776 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2778 priv = text_view->priv;
2780 if (priv->left_margin != left_margin)
2782 priv->left_margin = left_margin;
2784 if (priv->layout && priv->layout->default_style)
2786 priv->layout->default_style->left_margin = left_margin;
2787 gtk_text_layout_default_style_changed (priv->layout);
2790 g_object_notify (G_OBJECT (text_view), "left-margin");
2795 * gtk_text_view_get_left_margin:
2796 * @text_view: a #GtkTextView
2798 * Gets the default left margin size of paragraphs in the @text_view.
2799 * Tags in the buffer may override the default.
2801 * Return value: left margin in pixels
2804 gtk_text_view_get_left_margin (GtkTextView *text_view)
2806 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2808 return text_view->priv->left_margin;
2812 * gtk_text_view_set_right_margin:
2813 * @text_view: a #GtkTextView
2814 * @right_margin: right margin in pixels
2816 * Sets the default right margin for text in the text view.
2817 * Tags in the buffer may override the default.
2820 gtk_text_view_set_right_margin (GtkTextView *text_view,
2823 GtkTextViewPrivate *priv = text_view->priv;
2825 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2827 if (priv->right_margin != right_margin)
2829 priv->right_margin = right_margin;
2831 if (priv->layout && priv->layout->default_style)
2833 priv->layout->default_style->right_margin = right_margin;
2834 gtk_text_layout_default_style_changed (priv->layout);
2837 g_object_notify (G_OBJECT (text_view), "right-margin");
2842 * gtk_text_view_get_right_margin:
2843 * @text_view: a #GtkTextView
2845 * Gets the default right margin for text in @text_view. Tags
2846 * in the buffer may override the default.
2848 * Return value: right margin in pixels
2851 gtk_text_view_get_right_margin (GtkTextView *text_view)
2853 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2855 return text_view->priv->right_margin;
2859 * gtk_text_view_set_indent:
2860 * @text_view: a #GtkTextView
2861 * @indent: indentation in pixels
2863 * Sets the default indentation for paragraphs in @text_view.
2864 * Tags in the buffer may override the default.
2867 gtk_text_view_set_indent (GtkTextView *text_view,
2870 GtkTextViewPrivate *priv;
2872 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2874 priv = text_view->priv;
2876 if (priv->indent != indent)
2878 priv->indent = indent;
2880 if (priv->layout && priv->layout->default_style)
2882 priv->layout->default_style->indent = indent;
2883 gtk_text_layout_default_style_changed (priv->layout);
2886 g_object_notify (G_OBJECT (text_view), "indent");
2891 * gtk_text_view_get_indent:
2892 * @text_view: a #GtkTextView
2894 * Gets the default indentation of paragraphs in @text_view.
2895 * Tags in the view's buffer may override the default.
2896 * The indentation may be negative.
2898 * Return value: number of pixels of indentation
2901 gtk_text_view_get_indent (GtkTextView *text_view)
2903 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2905 return text_view->priv->indent;
2909 * gtk_text_view_set_tabs:
2910 * @text_view: a #GtkTextView
2911 * @tabs: tabs as a #PangoTabArray
2913 * Sets the default tab stops for paragraphs in @text_view.
2914 * Tags in the buffer may override the default.
2917 gtk_text_view_set_tabs (GtkTextView *text_view,
2918 PangoTabArray *tabs)
2920 GtkTextViewPrivate *priv;
2922 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2924 priv = text_view->priv;
2927 pango_tab_array_free (priv->tabs);
2929 priv->tabs = tabs ? pango_tab_array_copy (tabs) : NULL;
2931 if (priv->layout && priv->layout->default_style)
2933 /* some unkosher futzing in internal struct details... */
2934 if (priv->layout->default_style->tabs)
2935 pango_tab_array_free (priv->layout->default_style->tabs);
2937 priv->layout->default_style->tabs =
2938 priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
2940 gtk_text_layout_default_style_changed (priv->layout);
2943 g_object_notify (G_OBJECT (text_view), "tabs");
2947 * gtk_text_view_get_tabs:
2948 * @text_view: a #GtkTextView
2950 * Gets the default tabs for @text_view. Tags in the buffer may
2951 * override the defaults. The returned array will be %NULL if
2952 * "standard" (8-space) tabs are used. Free the return value
2953 * with pango_tab_array_free().
2955 * Return value: copy of default tab array, or %NULL if "standard"
2956 * tabs are used; must be freed with pango_tab_array_free().
2959 gtk_text_view_get_tabs (GtkTextView *text_view)
2961 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
2963 return text_view->priv->tabs ? pango_tab_array_copy (text_view->priv->tabs) : NULL;
2967 gtk_text_view_toggle_cursor_visible (GtkTextView *text_view)
2969 gtk_text_view_set_cursor_visible (text_view, !text_view->priv->cursor_visible);
2973 * gtk_text_view_set_cursor_visible:
2974 * @text_view: a #GtkTextView
2975 * @setting: whether to show the insertion cursor
2977 * Toggles whether the insertion point is displayed. A buffer with no editable
2978 * text probably shouldn't have a visible cursor, so you may want to turn
2982 gtk_text_view_set_cursor_visible (GtkTextView *text_view,
2985 GtkTextViewPrivate *priv;
2987 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2989 priv = text_view->priv;
2990 setting = (setting != FALSE);
2992 if (priv->cursor_visible != setting)
2994 priv->cursor_visible = setting;
2996 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
3000 gtk_text_layout_set_cursor_visible (priv->layout, setting);
3001 gtk_text_view_check_cursor_blink (text_view);
3005 g_object_notify (G_OBJECT (text_view), "cursor-visible");
3010 * gtk_text_view_get_cursor_visible:
3011 * @text_view: a #GtkTextView
3013 * Find out whether the cursor is being displayed.
3015 * Return value: whether the insertion mark is visible
3018 gtk_text_view_get_cursor_visible (GtkTextView *text_view)
3020 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
3022 return text_view->priv->cursor_visible;
3027 * gtk_text_view_place_cursor_onscreen:
3028 * @text_view: a #GtkTextView
3030 * Moves the cursor to the currently visible region of the
3031 * buffer, it it isn't there already.
3033 * Return value: %TRUE if the cursor had to be moved.
3036 gtk_text_view_place_cursor_onscreen (GtkTextView *text_view)
3040 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
3042 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
3043 gtk_text_buffer_get_insert (get_buffer (text_view)));
3045 if (clamp_iter_onscreen (text_view, &insert))
3047 gtk_text_buffer_place_cursor (get_buffer (text_view), &insert);
3055 gtk_text_view_remove_validate_idles (GtkTextView *text_view)
3057 GtkTextViewPrivate *priv = text_view->priv;
3059 if (priv->first_validate_idle != 0)
3061 DV (g_print ("Removing first validate idle: %s\n", G_STRLOC));
3062 g_source_remove (priv->first_validate_idle);
3063 priv->first_validate_idle = 0;
3066 if (priv->incremental_validate_idle != 0)
3068 g_source_remove (priv->incremental_validate_idle);
3069 priv->incremental_validate_idle = 0;
3074 gtk_text_view_destroy (GtkWidget *widget)
3076 GtkTextView *text_view;
3077 GtkTextViewPrivate *priv;
3079 text_view = GTK_TEXT_VIEW (widget);
3080 priv = text_view->priv;
3082 gtk_text_view_remove_validate_idles (text_view);
3083 gtk_text_view_set_buffer (text_view, NULL);
3084 gtk_text_view_destroy_layout (text_view);
3086 if (text_view->priv->scroll_timeout)
3088 g_source_remove (text_view->priv->scroll_timeout);
3089 text_view->priv->scroll_timeout = 0;
3092 if (priv->im_spot_idle)
3094 g_source_remove (priv->im_spot_idle);
3095 priv->im_spot_idle = 0;
3098 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->destroy (widget);
3102 gtk_text_view_finalize (GObject *object)
3104 GtkTextView *text_view;
3105 GtkTextViewPrivate *priv;
3107 text_view = GTK_TEXT_VIEW (object);
3108 priv = text_view->priv;
3110 gtk_text_view_destroy_layout (text_view);
3111 gtk_text_view_set_buffer (text_view, NULL);
3113 /* at this point, no "notify::buffer" handler should recreate the buffer. */
3114 g_assert (priv->buffer == NULL);
3116 cancel_pending_scroll (text_view);
3119 pango_tab_array_free (priv->tabs);
3121 if (priv->hadjustment)
3122 g_object_unref (priv->hadjustment);
3123 if (priv->vadjustment)
3124 g_object_unref (priv->vadjustment);
3126 text_window_free (priv->text_window);
3128 if (priv->left_window)
3129 text_window_free (priv->left_window);
3131 if (priv->top_window)
3132 text_window_free (priv->top_window);
3134 if (priv->right_window)
3135 text_window_free (priv->right_window);
3137 if (priv->bottom_window)
3138 text_window_free (priv->bottom_window);
3140 g_object_unref (priv->text_handle);
3141 g_object_unref (priv->im_context);
3143 g_free (priv->im_module);
3145 G_OBJECT_CLASS (gtk_text_view_parent_class)->finalize (object);
3149 gtk_text_view_set_property (GObject *object,
3151 const GValue *value,
3154 GtkTextView *text_view;
3155 GtkTextViewPrivate *priv;
3157 text_view = GTK_TEXT_VIEW (object);
3158 priv = text_view->priv;
3162 case PROP_PIXELS_ABOVE_LINES:
3163 gtk_text_view_set_pixels_above_lines (text_view, g_value_get_int (value));
3166 case PROP_PIXELS_BELOW_LINES:
3167 gtk_text_view_set_pixels_below_lines (text_view, g_value_get_int (value));
3170 case PROP_PIXELS_INSIDE_WRAP:
3171 gtk_text_view_set_pixels_inside_wrap (text_view, g_value_get_int (value));
3175 gtk_text_view_set_editable (text_view, g_value_get_boolean (value));
3178 case PROP_WRAP_MODE:
3179 gtk_text_view_set_wrap_mode (text_view, g_value_get_enum (value));
3182 case PROP_JUSTIFICATION:
3183 gtk_text_view_set_justification (text_view, g_value_get_enum (value));
3186 case PROP_LEFT_MARGIN:
3187 gtk_text_view_set_left_margin (text_view, g_value_get_int (value));
3190 case PROP_RIGHT_MARGIN:
3191 gtk_text_view_set_right_margin (text_view, g_value_get_int (value));
3195 gtk_text_view_set_indent (text_view, g_value_get_int (value));
3199 gtk_text_view_set_tabs (text_view, g_value_get_boxed (value));
3202 case PROP_CURSOR_VISIBLE:
3203 gtk_text_view_set_cursor_visible (text_view, g_value_get_boolean (value));
3206 case PROP_OVERWRITE:
3207 gtk_text_view_set_overwrite (text_view, g_value_get_boolean (value));
3211 gtk_text_view_set_buffer (text_view, GTK_TEXT_BUFFER (g_value_get_object (value)));
3214 case PROP_ACCEPTS_TAB:
3215 gtk_text_view_set_accepts_tab (text_view, g_value_get_boolean (value));
3218 case PROP_IM_MODULE:
3219 g_free (priv->im_module);
3220 priv->im_module = g_value_dup_string (value);
3221 if (GTK_IS_IM_MULTICONTEXT (priv->im_context))
3222 gtk_im_multicontext_set_context_id (GTK_IM_MULTICONTEXT (priv->im_context), priv->im_module);
3225 case PROP_HADJUSTMENT:
3226 gtk_text_view_set_hadjustment (text_view, g_value_get_object (value));
3229 case PROP_VADJUSTMENT:
3230 gtk_text_view_set_vadjustment (text_view, g_value_get_object (value));
3233 case PROP_HSCROLL_POLICY:
3234 priv->hscroll_policy = g_value_get_enum (value);
3235 gtk_widget_queue_resize (GTK_WIDGET (text_view));
3238 case PROP_VSCROLL_POLICY:
3239 priv->vscroll_policy = g_value_get_enum (value);
3240 gtk_widget_queue_resize (GTK_WIDGET (text_view));
3243 case PROP_INPUT_PURPOSE:
3244 gtk_text_view_set_input_purpose (text_view, g_value_get_enum (value));
3247 case PROP_INPUT_HINTS:
3248 gtk_text_view_set_input_hints (text_view, g_value_get_flags (value));
3252 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3258 gtk_text_view_get_property (GObject *object,
3263 GtkTextView *text_view;
3264 GtkTextViewPrivate *priv;
3266 text_view = GTK_TEXT_VIEW (object);
3267 priv = text_view->priv;
3271 case PROP_PIXELS_ABOVE_LINES:
3272 g_value_set_int (value, priv->pixels_above_lines);
3275 case PROP_PIXELS_BELOW_LINES:
3276 g_value_set_int (value, priv->pixels_below_lines);
3279 case PROP_PIXELS_INSIDE_WRAP:
3280 g_value_set_int (value, priv->pixels_inside_wrap);
3284 g_value_set_boolean (value, priv->editable);
3287 case PROP_WRAP_MODE:
3288 g_value_set_enum (value, priv->wrap_mode);
3291 case PROP_JUSTIFICATION:
3292 g_value_set_enum (value, priv->justify);
3295 case PROP_LEFT_MARGIN:
3296 g_value_set_int (value, priv->left_margin);
3299 case PROP_RIGHT_MARGIN:
3300 g_value_set_int (value, priv->right_margin);
3304 g_value_set_int (value, priv->indent);
3308 g_value_set_boxed (value, priv->tabs);
3311 case PROP_CURSOR_VISIBLE:
3312 g_value_set_boolean (value, priv->cursor_visible);
3316 g_value_set_object (value, get_buffer (text_view));
3319 case PROP_OVERWRITE:
3320 g_value_set_boolean (value, priv->overwrite_mode);
3323 case PROP_ACCEPTS_TAB:
3324 g_value_set_boolean (value, priv->accepts_tab);
3327 case PROP_IM_MODULE:
3328 g_value_set_string (value, priv->im_module);
3331 case PROP_HADJUSTMENT:
3332 g_value_set_object (value, priv->hadjustment);
3335 case PROP_VADJUSTMENT:
3336 g_value_set_object (value, priv->vadjustment);
3339 case PROP_HSCROLL_POLICY:
3340 g_value_set_enum (value, priv->hscroll_policy);
3343 case PROP_VSCROLL_POLICY:
3344 g_value_set_enum (value, priv->vscroll_policy);
3347 case PROP_INPUT_PURPOSE:
3348 g_value_set_enum (value, gtk_text_view_get_input_purpose (text_view));
3351 case PROP_INPUT_HINTS:
3352 g_value_set_flags (value, gtk_text_view_get_input_hints (text_view));
3356 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3362 gtk_text_view_size_request (GtkWidget *widget,
3363 GtkRequisition *requisition)
3365 GtkTextView *text_view;
3366 GtkTextViewPrivate *priv;
3368 gint focus_edge_width;
3371 gboolean interior_focus;
3373 text_view = GTK_TEXT_VIEW (widget);
3374 priv = text_view->priv;
3376 gtk_widget_style_get (widget,
3377 "interior-focus", &interior_focus,
3378 "focus-line-width", &focus_width,
3382 focus_edge_width = 0;
3384 focus_edge_width = focus_width;
3388 priv->text_window->requisition.width = priv->layout->width;
3389 priv->text_window->requisition.height = priv->layout->height;
3393 priv->text_window->requisition.width = 0;
3394 priv->text_window->requisition.height = 0;
3397 requisition->width = priv->text_window->requisition.width + focus_edge_width * 2;
3398 requisition->height = priv->text_window->requisition.height + focus_edge_width * 2;
3400 if (priv->left_window)
3401 requisition->width += priv->left_window->requisition.width;
3403 if (priv->right_window)
3404 requisition->width += priv->right_window->requisition.width;
3406 if (priv->top_window)
3407 requisition->height += priv->top_window->requisition.height;
3409 if (priv->bottom_window)
3410 requisition->height += priv->bottom_window->requisition.height;
3412 border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
3413 requisition->width += border_width * 2;
3414 requisition->height += border_width * 2;
3416 tmp_list = priv->children;
3417 while (tmp_list != NULL)
3419 GtkTextViewChild *child = tmp_list->data;
3423 GtkRequisition child_req;
3424 GtkRequisition old_req;
3426 gtk_widget_get_preferred_size (child->widget, &old_req, NULL);
3428 gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
3430 /* Invalidate layout lines if required */
3432 (old_req.width != child_req.width ||
3433 old_req.height != child_req.height))
3434 gtk_text_child_anchor_queue_resize (child->anchor,
3439 GtkRequisition child_req;
3441 gtk_widget_get_preferred_size (child->widget,
3445 tmp_list = g_slist_next (tmp_list);
3448 /* Cache the requested size of the text view so we can
3449 * compare it in the changed_handler() */
3450 priv->cached_size_request = *requisition;
3454 gtk_text_view_get_preferred_width (GtkWidget *widget,
3458 GtkRequisition requisition;
3460 gtk_text_view_size_request (widget, &requisition);
3462 *minimum = *natural = requisition.width;
3466 gtk_text_view_get_preferred_height (GtkWidget *widget,
3470 GtkRequisition requisition;
3472 gtk_text_view_size_request (widget, &requisition);
3474 *minimum = *natural = requisition.height;
3479 gtk_text_view_compute_child_allocation (GtkTextView *text_view,
3480 GtkTextViewChild *vc,
3481 GtkAllocation *allocation)
3487 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
3491 gtk_text_layout_get_line_yrange (text_view->priv->layout, &iter,
3494 buffer_y += vc->from_top_of_line;
3496 allocation->x = vc->from_left_of_buffer - text_view->priv->xoffset;
3497 allocation->y = buffer_y - text_view->priv->yoffset;
3499 gtk_widget_get_preferred_size (vc->widget, &req, NULL);
3500 allocation->width = req.width;
3501 allocation->height = req.height;
3505 gtk_text_view_update_child_allocation (GtkTextView *text_view,
3506 GtkTextViewChild *vc)
3508 GtkAllocation allocation;
3510 gtk_text_view_compute_child_allocation (text_view, vc, &allocation);
3512 gtk_widget_size_allocate (vc->widget, &allocation);
3515 g_print ("allocation for %p allocated to %d,%d yoffset = %d\n",
3517 vc->widget->allocation.x,
3518 vc->widget->allocation.y,
3519 text_view->priv->yoffset);
3524 gtk_text_view_child_allocated (GtkTextLayout *layout,
3530 GtkTextViewChild *vc = NULL;
3531 GtkTextView *text_view = data;
3533 /* x,y is the position of the child from the top of the line, and
3534 * from the left of the buffer. We have to translate that into text
3535 * window coordinates, then size_allocate the child.
3538 vc = g_object_get_data (G_OBJECT (child),
3539 "gtk-text-view-child");
3541 g_assert (vc != NULL);
3543 DV (g_print ("child allocated at %d,%d\n", x, y));
3545 vc->from_left_of_buffer = x;
3546 vc->from_top_of_line = y;
3548 gtk_text_view_update_child_allocation (text_view, vc);
3552 gtk_text_view_allocate_children (GtkTextView *text_view)
3556 DV(g_print(G_STRLOC"\n"));
3558 tmp_list = text_view->priv->children;
3559 while (tmp_list != NULL)
3561 GtkTextViewChild *child = tmp_list->data;
3563 g_assert (child != NULL);
3567 /* We need to force-validate the regions containing
3570 GtkTextIter child_loc;
3571 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
3575 /* Since anchored children are only ever allocated from
3576 * gtk_text_layout_get_line_display() we have to make sure
3577 * that the display line caching in the layout doesn't
3578 * get in the way. Invalidating the layout around the anchor
3581 if (_gtk_widget_get_alloc_needed (child->widget))
3583 GtkTextIter end = child_loc;
3584 gtk_text_iter_forward_char (&end);
3585 gtk_text_layout_invalidate (text_view->priv->layout, &child_loc, &end);
3588 gtk_text_layout_validate_yrange (text_view->priv->layout,
3594 GtkAllocation allocation;
3595 GtkRequisition child_req;
3597 allocation.x = child->x;
3598 allocation.y = child->y;
3600 gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
3602 allocation.width = child_req.width;
3603 allocation.height = child_req.height;
3605 gtk_widget_size_allocate (child->widget, &allocation);
3608 tmp_list = g_slist_next (tmp_list);
3613 gtk_text_view_size_allocate (GtkWidget *widget,
3614 GtkAllocation *allocation)
3616 GtkAllocation widget_allocation;
3617 GtkTextView *text_view;
3618 GtkTextViewPrivate *priv;
3620 GdkRectangle text_rect;
3621 GdkRectangle left_rect;
3622 GdkRectangle right_rect;
3623 GdkRectangle top_rect;
3624 GdkRectangle bottom_rect;
3625 gint focus_edge_width;
3628 gboolean interior_focus;
3629 gboolean size_changed;
3631 text_view = GTK_TEXT_VIEW (widget);
3632 priv = text_view->priv;
3634 DV(g_print(G_STRLOC"\n"));
3636 gtk_widget_get_allocation (widget, &widget_allocation);
3638 widget_allocation.width != allocation->width ||
3639 widget_allocation.height != allocation->height;
3641 border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
3643 gtk_widget_set_allocation (widget, allocation);
3645 if (gtk_widget_get_realized (widget))
3647 gdk_window_move_resize (gtk_widget_get_window (widget),
3648 allocation->x, allocation->y,
3649 allocation->width, allocation->height);
3652 /* distribute width/height among child windows. Ensure all
3653 * windows get at least a 1x1 allocation.
3656 gtk_widget_style_get (widget,
3657 "interior-focus", &interior_focus,
3658 "focus-line-width", &focus_width,
3662 focus_edge_width = 0;
3664 focus_edge_width = focus_width;
3666 width = allocation->width - focus_edge_width * 2 - border_width * 2;
3668 if (priv->left_window)
3669 left_rect.width = priv->left_window->requisition.width;
3671 left_rect.width = 0;
3673 width -= left_rect.width;
3675 if (priv->right_window)
3676 right_rect.width = priv->right_window->requisition.width;
3678 right_rect.width = 0;
3680 width -= right_rect.width;
3682 text_rect.width = MAX (1, width);
3684 top_rect.width = text_rect.width;
3685 bottom_rect.width = text_rect.width;
3688 height = allocation->height - focus_edge_width * 2 - border_width * 2;
3690 if (priv->top_window)
3691 top_rect.height = priv->top_window->requisition.height;
3693 top_rect.height = 0;
3695 height -= top_rect.height;
3697 if (priv->bottom_window)
3698 bottom_rect.height = priv->bottom_window->requisition.height;
3700 bottom_rect.height = 0;
3702 height -= bottom_rect.height;
3704 text_rect.height = MAX (1, height);
3706 left_rect.height = text_rect.height;
3707 right_rect.height = text_rect.height;
3710 left_rect.x = focus_edge_width + border_width;
3711 top_rect.y = focus_edge_width + border_width;
3713 text_rect.x = left_rect.x + left_rect.width;
3714 text_rect.y = top_rect.y + top_rect.height;
3716 left_rect.y = text_rect.y;
3717 right_rect.y = text_rect.y;
3719 top_rect.x = text_rect.x;
3720 bottom_rect.x = text_rect.x;
3722 right_rect.x = text_rect.x + text_rect.width;
3723 bottom_rect.y = text_rect.y + text_rect.height;
3725 text_window_size_allocate (priv->text_window,
3728 if (priv->left_window)
3729 text_window_size_allocate (priv->left_window,
3732 if (priv->right_window)
3733 text_window_size_allocate (priv->right_window,
3736 if (priv->top_window)
3737 text_window_size_allocate (priv->top_window,
3740 if (priv->bottom_window)
3741 text_window_size_allocate (priv->bottom_window,
3744 gtk_text_view_update_layout_width (text_view);
3746 /* Note that this will do some layout validation */
3747 gtk_text_view_allocate_children (text_view);
3749 /* Update adjustments */
3750 gtk_text_view_set_hadjustment_values (text_view);
3751 gtk_text_view_set_vadjustment_values (text_view);
3753 /* The GTK resize loop processes all the pending exposes right
3754 * after doing the resize stuff, so the idle sizer won't have a
3755 * chance to run. So we do the work here.
3757 gtk_text_view_flush_first_validate (text_view);
3759 /* widget->window doesn't get auto-redrawn as the layout is computed, so has to
3762 if (size_changed && gtk_widget_get_realized (widget))
3763 gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
3767 gtk_text_view_get_first_para_iter (GtkTextView *text_view,
3770 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), iter,
3771 text_view->priv->first_para_mark);
3775 gtk_text_view_validate_onscreen (GtkTextView *text_view)
3778 GtkTextViewPrivate *priv;
3780 widget = GTK_WIDGET (text_view);
3781 priv = text_view->priv;
3783 DV(g_print(">Validating onscreen ("G_STRLOC")\n"));
3785 if (SCREEN_HEIGHT (widget) > 0)
3787 GtkTextIter first_para;
3789 /* Be sure we've validated the stuff onscreen; if we
3790 * scrolled, these calls won't have any effect, because
3791 * they were called in the recursive validate_onscreen
3793 gtk_text_view_get_first_para_iter (text_view, &first_para);
3795 gtk_text_layout_validate_yrange (priv->layout,
3798 priv->first_para_pixels +
3799 SCREEN_HEIGHT (widget));
3802 priv->onscreen_validated = TRUE;
3804 DV(g_print(">Done validating onscreen, onscreen_validated = TRUE ("G_STRLOC")\n"));
3806 /* This can have the odd side effect of triggering a scroll, which should
3807 * flip "onscreen_validated" back to FALSE, but should also get us
3808 * back into this function to turn it on again.
3810 gtk_text_view_update_adjustments (text_view);
3812 g_assert (priv->onscreen_validated);
3816 gtk_text_view_flush_first_validate (GtkTextView *text_view)
3818 GtkTextViewPrivate *priv = text_view->priv;
3820 if (priv->first_validate_idle == 0)
3823 /* Do this first, which means that if an "invalidate"
3824 * occurs during any of this process, a new first_validate_callback
3825 * will be installed, and we'll start again.
3827 DV (g_print ("removing first validate in %s\n", G_STRLOC));
3828 g_source_remove (priv->first_validate_idle);
3829 priv->first_validate_idle = 0;
3831 /* be sure we have up-to-date screen size set on the
3834 gtk_text_view_update_layout_width (text_view);
3836 /* Bail out if we invalidated stuff; scrolling right away will just
3837 * confuse the issue.
3839 if (priv->first_validate_idle != 0)
3841 DV(g_print(">Width change forced requeue ("G_STRLOC")\n"));
3845 /* scroll to any marks, if that's pending. This can jump us to
3846 * the validation codepath used for scrolling onscreen, if so we
3847 * bail out. It won't jump if already in that codepath since
3848 * value_changed is not recursive, so also validate if
3851 if (!gtk_text_view_flush_scroll (text_view) ||
3852 !priv->onscreen_validated)
3853 gtk_text_view_validate_onscreen (text_view);
3855 DV(g_print(">Leaving first validate idle ("G_STRLOC")\n"));
3857 g_assert (priv->onscreen_validated);
3862 first_validate_callback (gpointer data)
3864 GtkTextView *text_view = data;
3866 /* Note that some of this code is duplicated at the end of size_allocate,
3867 * keep in sync with that.
3870 DV(g_print(G_STRLOC"\n"));
3872 gtk_text_view_flush_first_validate (text_view);
3878 incremental_validate_callback (gpointer data)
3880 GtkTextView *text_view = data;
3881 gboolean result = TRUE;
3883 DV(g_print(G_STRLOC"\n"));
3885 gtk_text_layout_validate (text_view->priv->layout, 2000);
3887 gtk_text_view_update_adjustments (text_view);
3889 if (gtk_text_layout_is_valid (text_view->priv->layout))
3891 text_view->priv->incremental_validate_idle = 0;
3899 gtk_text_view_invalidate (GtkTextView *text_view)
3901 GtkTextViewPrivate *priv = text_view->priv;
3903 DV (g_print (">Invalidate, onscreen_validated = %d now FALSE ("G_STRLOC")\n",
3904 priv->onscreen_validated));
3906 priv->onscreen_validated = FALSE;
3908 /* We'll invalidate when the layout is created */
3909 if (priv->layout == NULL)
3912 if (!priv->first_validate_idle)
3914 priv->first_validate_idle = gdk_threads_add_idle_full (GTK_PRIORITY_RESIZE - 2, first_validate_callback, text_view, NULL);
3915 DV (g_print (G_STRLOC": adding first validate idle %d\n",
3916 priv->first_validate_idle));
3919 if (!priv->incremental_validate_idle)
3921 priv->incremental_validate_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE, incremental_validate_callback, text_view, NULL);
3922 DV (g_print (G_STRLOC": adding incremental validate idle %d\n",
3923 priv->incremental_validate_idle));
3928 invalidated_handler (GtkTextLayout *layout,
3931 GtkTextView *text_view;
3933 text_view = GTK_TEXT_VIEW (data);
3935 DV (g_print ("Invalidating due to layout invalidate signal\n"));
3936 gtk_text_view_invalidate (text_view);
3940 changed_handler (GtkTextLayout *layout,
3946 GtkTextView *text_view;
3947 GtkTextViewPrivate *priv;
3949 GdkRectangle visible_rect;
3950 GdkRectangle redraw_rect;
3952 text_view = GTK_TEXT_VIEW (data);
3953 priv = text_view->priv;
3954 widget = GTK_WIDGET (data);
3956 DV(g_print(">Lines Validated ("G_STRLOC")\n"));
3958 if (gtk_widget_get_realized (widget))
3960 gtk_text_view_get_visible_rect (text_view, &visible_rect);
3962 redraw_rect.x = visible_rect.x;
3963 redraw_rect.width = visible_rect.width;
3964 redraw_rect.y = start_y;
3966 if (old_height == new_height)
3967 redraw_rect.height = old_height;
3968 else if (start_y + old_height > visible_rect.y)
3969 redraw_rect.height = MAX (0, visible_rect.y + visible_rect.height - start_y);
3971 redraw_rect.height = 0;
3973 if (gdk_rectangle_intersect (&redraw_rect, &visible_rect, &redraw_rect))
3975 /* text_window_invalidate_rect() takes buffer coordinates */
3976 text_window_invalidate_rect (priv->text_window,
3979 DV(g_print(" invalidated rect: %d,%d %d x %d\n",
3983 redraw_rect.height));
3985 if (priv->left_window)
3986 text_window_invalidate_rect (priv->left_window,
3988 if (priv->right_window)
3989 text_window_invalidate_rect (priv->right_window,
3991 if (priv->top_window)
3992 text_window_invalidate_rect (priv->top_window,
3994 if (priv->bottom_window)
3995 text_window_invalidate_rect (priv->bottom_window,
3998 queue_update_im_spot_location (text_view);
4002 if (old_height != new_height)
4005 int new_first_para_top;
4006 int old_first_para_top;
4009 /* If the bottom of the old area was above the top of the
4010 * screen, we need to scroll to keep the current top of the
4011 * screen in place. Remember that first_para_pixels is the
4012 * position of the top of the screen in coordinates relative to
4013 * the first paragraph onscreen.
4015 * In short we are adding the height delta of the portion of the
4016 * changed region above first_para_mark to priv->yoffset.
4018 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &first,
4019 priv->first_para_mark);
4021 gtk_text_layout_get_line_yrange (layout, &first, &new_first_para_top, NULL);
4023 old_first_para_top = priv->yoffset - priv->first_para_pixels;
4025 if (new_first_para_top != old_first_para_top)
4027 priv->yoffset += new_first_para_top - old_first_para_top;
4029 gtk_adjustment_set_value (text_view->priv->vadjustment, priv->yoffset);
4032 /* FIXME be smarter about which anchored widgets we update */
4034 tmp_list = priv->children;
4035 while (tmp_list != NULL)
4037 GtkTextViewChild *child = tmp_list->data;
4040 gtk_text_view_update_child_allocation (text_view, child);
4042 tmp_list = g_slist_next (tmp_list);
4047 GtkRequisition old_req = priv->cached_size_request;
4048 GtkRequisition new_req;
4050 /* Use this instead of gtk_widget_size_request wrapper
4051 * to avoid the optimization which just returns widget->requisition
4052 * if a resize hasn't been queued.
4054 gtk_text_view_size_request (widget, &new_req);
4056 if (old_req.width != new_req.width ||
4057 old_req.height != new_req.height)
4059 gtk_widget_queue_resize_no_redraw (widget);
4065 gtk_text_view_realize (GtkWidget *widget)
4067 GtkAllocation allocation;
4068 GtkTextView *text_view;
4069 GtkTextViewPrivate *priv;
4070 GtkStyleContext *context;
4072 GdkWindowAttr attributes;
4073 gint attributes_mask;
4076 text_view = GTK_TEXT_VIEW (widget);
4077 priv = text_view->priv;
4079 gtk_widget_set_realized (widget, TRUE);
4081 gtk_widget_get_allocation (widget, &allocation);
4083 attributes.window_type = GDK_WINDOW_CHILD;
4084 attributes.x = allocation.x;
4085 attributes.y = allocation.y;
4086 attributes.width = allocation.width;
4087 attributes.height = allocation.height;
4088 attributes.wclass = GDK_INPUT_OUTPUT;
4089 attributes.visual = gtk_widget_get_visual (widget);
4090 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK;
4092 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
4094 window = gdk_window_new (gtk_widget_get_parent_window (widget),
4095 &attributes, attributes_mask);
4096 gtk_widget_set_window (widget, window);
4097 gdk_window_set_user_data (window, widget);
4099 context = gtk_widget_get_style_context (widget);
4101 gtk_style_context_save (context);
4102 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
4103 gtk_style_context_set_background (context, window);
4104 gtk_style_context_restore (context);
4106 text_window_realize (priv->text_window, widget);
4108 if (priv->left_window)
4109 text_window_realize (priv->left_window, widget);
4111 if (priv->top_window)
4112 text_window_realize (priv->top_window, widget);
4114 if (priv->right_window)
4115 text_window_realize (priv->right_window, widget);
4117 if (priv->bottom_window)
4118 text_window_realize (priv->bottom_window, widget);
4120 gtk_text_view_ensure_layout (text_view);
4121 gtk_text_view_invalidate (text_view);
4125 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
4126 GDK_SELECTION_PRIMARY);
4127 gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
4130 tmp_list = priv->children;
4131 while (tmp_list != NULL)
4133 GtkTextViewChild *vc = tmp_list->data;
4135 text_view_child_set_parent_window (text_view, vc);
4137 tmp_list = tmp_list->next;
4140 /* Ensure updating the spot location. */
4141 gtk_text_view_update_im_spot_location (text_view);
4143 _gtk_text_handle_set_relative_to (priv->text_handle, priv->text_window->window);
4147 gtk_text_view_unrealize (GtkWidget *widget)
4149 GtkTextView *text_view;
4150 GtkTextViewPrivate *priv;
4152 text_view = GTK_TEXT_VIEW (widget);
4153 priv = text_view->priv;
4157 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
4158 GDK_SELECTION_PRIMARY);
4159 gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
4162 gtk_text_view_remove_validate_idles (text_view);
4164 if (priv->popup_menu)
4166 gtk_widget_destroy (priv->popup_menu);
4167 priv->popup_menu = NULL;
4170 text_window_unrealize (priv->text_window);
4172 if (priv->left_window)
4173 text_window_unrealize (priv->left_window);
4175 if (priv->top_window)
4176 text_window_unrealize (priv->top_window);
4178 if (priv->right_window)
4179 text_window_unrealize (priv->right_window);
4181 if (priv->bottom_window)
4182 text_window_unrealize (priv->bottom_window);
4184 _gtk_text_handle_set_relative_to (priv->text_handle, NULL);
4186 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->unrealize (widget);
4190 gtk_text_view_set_background (GtkTextView *text_view)
4192 GtkStyleContext *context;
4193 GtkStateFlags state;
4195 GtkTextViewPrivate *priv;
4198 widget = GTK_WIDGET (text_view);
4199 priv = text_view->priv;
4201 context = gtk_widget_get_style_context (widget);
4202 state = gtk_widget_get_state_flags (widget);
4204 /* Set bin window background */
4205 gtk_style_context_save (context);
4206 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
4208 gtk_style_context_set_background (context, priv->text_window->bin_window);
4209 gtk_style_context_set_background (context, gtk_widget_get_window (widget));
4211 gtk_style_context_restore (context);
4213 /* Set lateral panes background */
4214 gtk_style_context_get_background_color (context, state, &color);
4216 if (priv->left_window)
4217 gdk_window_set_background_rgba (priv->left_window->bin_window, &color);
4219 if (priv->right_window)
4220 gdk_window_set_background_rgba (priv->right_window->bin_window, &color);
4222 if (priv->top_window)
4223 gdk_window_set_background_rgba (priv->top_window->bin_window, &color);
4225 if (priv->bottom_window)
4226 gdk_window_set_background_rgba (priv->bottom_window->bin_window, &color);
4230 gtk_text_view_style_updated (GtkWidget *widget)
4232 GtkTextView *text_view;
4233 GtkTextViewPrivate *priv;
4234 PangoContext *ltr_context, *rtl_context;
4235 GtkStyleContext *style_context;
4236 const GtkBitmask *changes;
4238 text_view = GTK_TEXT_VIEW (widget);
4239 priv = text_view->priv;
4241 GTK_WIDGET_CLASS (gtk_text_view_parent_class)->style_updated (widget);
4243 if (gtk_widget_get_realized (widget))
4245 gtk_text_view_set_background (text_view);
4249 style_context = gtk_widget_get_style_context (widget);
4250 changes = _gtk_style_context_get_changes (style_context);
4251 if ((changes == NULL || _gtk_css_style_property_changes_affect_font (changes)) &&
4252 priv->layout && priv->layout->default_style)
4254 gtk_text_view_set_attributes_from_style (text_view,
4255 priv->layout->default_style);
4257 ltr_context = gtk_widget_create_pango_context (widget);
4258 pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
4259 rtl_context = gtk_widget_create_pango_context (widget);
4260 pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
4262 gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
4264 g_object_unref (ltr_context);
4265 g_object_unref (rtl_context);
4270 gtk_text_view_direction_changed (GtkWidget *widget,
4271 GtkTextDirection previous_direction)
4273 GtkTextViewPrivate *priv = GTK_TEXT_VIEW (widget)->priv;
4275 if (priv->layout && priv->layout->default_style)
4277 priv->layout->default_style->direction = gtk_widget_get_direction (widget);
4279 gtk_text_layout_default_style_changed (priv->layout);
4284 gtk_text_view_state_flags_changed (GtkWidget *widget,
4285 GtkStateFlags previous_state)
4287 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
4290 if (gtk_widget_get_realized (widget))
4292 gtk_text_view_set_background (text_view);
4294 if (gtk_widget_is_sensitive (widget))
4295 cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget), GDK_XTERM);
4299 gdk_window_set_cursor (text_view->priv->text_window->bin_window, cursor);
4302 g_object_unref (cursor);
4304 text_view->priv->mouse_cursor_obscured = FALSE;
4307 if (!gtk_widget_is_sensitive (widget))
4309 /* Clear any selection */
4310 gtk_text_view_unselect (text_view);
4313 gtk_widget_queue_draw (widget);
4317 set_invisible_cursor (GdkWindow *window)
4319 GdkDisplay *display;
4322 display = gdk_window_get_display (window);
4323 cursor = gdk_cursor_new_for_display (display, GDK_BLANK_CURSOR);
4325 gdk_window_set_cursor (window, cursor);
4327 g_object_unref (cursor);
4331 gtk_text_view_obscure_mouse_cursor (GtkTextView *text_view)
4333 if (text_view->priv->mouse_cursor_obscured)
4336 set_invisible_cursor (text_view->priv->text_window->bin_window);
4338 text_view->priv->mouse_cursor_obscured = TRUE;
4342 gtk_text_view_unobscure_mouse_cursor (GtkTextView *text_view)
4344 if (text_view->priv->mouse_cursor_obscured)
4348 cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)),
4350 gdk_window_set_cursor (text_view->priv->text_window->bin_window, cursor);
4351 g_object_unref (cursor);
4352 text_view->priv->mouse_cursor_obscured = FALSE;
4357 gtk_text_view_grab_notify (GtkWidget *widget,
4358 gboolean was_grabbed)
4360 GtkTextViewPrivate *priv;
4362 priv = GTK_TEXT_VIEW (widget)->priv;
4364 if (priv->grab_device &&
4365 gtk_widget_device_is_shadowed (widget, priv->grab_device))
4367 if (priv->drag_start_x >= 0)
4369 priv->drag_start_x = -1;
4370 priv->drag_start_y = -1;
4373 gtk_text_view_end_selection_drag (GTK_TEXT_VIEW (widget));
4374 gtk_text_view_unobscure_mouse_cursor (GTK_TEXT_VIEW (widget));
4375 priv->grab_device = NULL;
4385 get_event_coordinates (GdkEvent *event, gint *x, gint *y)
4388 switch (event->type)
4390 case GDK_MOTION_NOTIFY:
4391 *x = event->motion.x;
4392 *y = event->motion.y;
4396 case GDK_BUTTON_PRESS:
4397 case GDK_2BUTTON_PRESS:
4398 case GDK_3BUTTON_PRESS:
4399 case GDK_BUTTON_RELEASE:
4400 *x = event->button.x;
4401 *y = event->button.y;
4406 case GDK_KEY_RELEASE:
4407 case GDK_ENTER_NOTIFY:
4408 case GDK_LEAVE_NOTIFY:
4409 case GDK_PROPERTY_NOTIFY:
4410 case GDK_SELECTION_CLEAR:
4411 case GDK_SELECTION_REQUEST:
4412 case GDK_SELECTION_NOTIFY:
4413 case GDK_PROXIMITY_IN:
4414 case GDK_PROXIMITY_OUT:
4415 case GDK_DRAG_ENTER:
4416 case GDK_DRAG_LEAVE:
4417 case GDK_DRAG_MOTION:
4418 case GDK_DRAG_STATUS:
4419 case GDK_DROP_START:
4420 case GDK_DROP_FINISHED:
4430 emit_event_on_tags (GtkWidget *widget,
4436 gboolean retval = FALSE;
4438 tags = gtk_text_iter_get_tags (iter);
4443 GtkTextTag *tag = tmp->data;
4445 if (gtk_text_tag_event (tag, G_OBJECT (widget), event, iter))
4451 tmp = g_slist_next (tmp);
4454 g_slist_free (tags);
4460 gtk_text_view_set_handle_position (GtkTextView *text_view,
4462 GtkTextHandlePosition pos)
4464 GtkTextViewPrivate *priv;
4468 priv = text_view->priv;
4469 gtk_text_view_get_cursor_locations (text_view, iter, &rect, NULL);
4471 x = rect.x - priv->xoffset;
4472 y = rect.y - priv->yoffset;
4474 if (!_gtk_text_handle_get_is_dragged (priv->text_handle, pos) &&
4475 (x < 0 || x > SCREEN_WIDTH (text_view) ||
4476 y < 0 || y > SCREEN_HEIGHT (text_view)))
4478 /* Hide the handle if it's not being manipulated
4479 * and fell outside of the visible text area.
4481 _gtk_text_handle_set_visible (priv->text_handle, pos, FALSE);
4485 _gtk_text_handle_set_visible (priv->text_handle, pos, TRUE);
4487 rect.x = CLAMP (x, 0, SCREEN_WIDTH (text_view));
4488 rect.y = CLAMP (y, 0, SCREEN_HEIGHT (text_view));
4489 _gtk_text_handle_set_position (priv->text_handle, pos, &rect);
4494 gtk_text_view_handle_dragged (GtkTextHandle *handle,
4495 GtkTextHandlePosition pos,
4498 GtkTextView *text_view)
4500 GtkTextViewPrivate *priv;
4501 GtkTextIter old_cursor, old_bound;
4502 GtkTextIter cursor, bound, iter;
4503 GtkTextIter *min, *max;
4504 GtkTextHandleMode mode;
4505 GtkTextBuffer *buffer;
4506 GtkTextHandlePosition cursor_pos;
4508 priv = text_view->priv;
4509 buffer = get_buffer (text_view);
4510 mode = _gtk_text_handle_get_mode (handle);
4512 gtk_text_layout_get_iter_at_pixel (priv->layout, &iter,
4515 gtk_text_buffer_get_iter_at_mark (buffer, &old_cursor,
4516 gtk_text_buffer_get_insert (buffer));
4517 gtk_text_buffer_get_iter_at_mark (buffer, &old_bound,
4518 gtk_text_buffer_get_selection_bound (buffer));
4519 cursor = old_cursor;
4522 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR ||
4523 gtk_text_iter_compare (&cursor, &bound) >= 0)
4525 cursor_pos = GTK_TEXT_HANDLE_POSITION_CURSOR;
4531 cursor_pos = GTK_TEXT_HANDLE_POSITION_SELECTION_START;
4536 if (pos == GTK_TEXT_HANDLE_POSITION_SELECTION_END)
4538 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4539 gtk_text_iter_compare (&iter, min) <= 0)
4542 gtk_text_iter_forward_char (&iter);
4546 gtk_text_view_set_handle_position (text_view, &iter, pos);
4550 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4551 gtk_text_iter_compare (&iter, max) >= 0)
4554 gtk_text_iter_backward_char (&iter);
4558 gtk_text_view_set_handle_position (text_view, &iter, pos);
4561 if (gtk_text_iter_compare (&old_cursor, &cursor) != 0 ||
4562 gtk_text_iter_compare (&old_bound, &bound) != 0)
4564 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR)
4565 gtk_text_buffer_place_cursor (buffer, &cursor);
4567 gtk_text_buffer_select_range (buffer, &cursor, &bound);
4569 if (_gtk_text_handle_get_is_dragged (priv->text_handle, cursor_pos))
4570 gtk_text_view_scroll_mark_onscreen (text_view,
4571 gtk_text_buffer_get_insert (buffer));
4573 gtk_text_view_scroll_mark_onscreen (text_view,
4574 gtk_text_buffer_get_selection_bound (buffer));
4579 gtk_text_view_update_handles (GtkTextView *text_view,
4580 GtkTextHandleMode mode)
4582 GtkTextViewPrivate *priv = text_view->priv;
4583 GtkTextIter cursor, bound, min, max;
4584 GtkTextBuffer *buffer;
4586 buffer = get_buffer (text_view);
4588 gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
4589 gtk_text_buffer_get_insert (buffer));
4590 gtk_text_buffer_get_iter_at_mark (buffer, &bound,
4591 gtk_text_buffer_get_selection_bound (buffer));
4593 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
4594 gtk_text_iter_compare (&cursor, &bound) == 0)
4596 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
4599 if (mode == GTK_TEXT_HANDLE_MODE_CURSOR &&
4600 (!gtk_widget_is_sensitive (GTK_WIDGET (text_view)) || !priv->cursor_visible))
4602 mode = GTK_TEXT_HANDLE_MODE_NONE;
4605 _gtk_text_handle_set_mode (priv->text_handle, mode);
4607 if (gtk_text_iter_compare (&cursor, &bound) >= 0)
4618 if (mode != GTK_TEXT_HANDLE_MODE_NONE)
4619 gtk_text_view_set_handle_position (text_view, &max,
4620 GTK_TEXT_HANDLE_POSITION_SELECTION_END);
4622 if (mode == GTK_TEXT_HANDLE_MODE_SELECTION)
4623 gtk_text_view_set_handle_position (text_view, &min,
4624 GTK_TEXT_HANDLE_POSITION_SELECTION_START);
4628 gtk_text_view_event (GtkWidget *widget, GdkEvent *event)
4630 GtkTextView *text_view;
4631 GtkTextViewPrivate *priv;
4634 text_view = GTK_TEXT_VIEW (widget);
4635 priv = text_view->priv;
4637 if (priv->layout == NULL ||
4638 get_buffer (text_view) == NULL)
4641 if (event->any.window != priv->text_window->bin_window)
4644 if (get_event_coordinates (event, &x, &y))
4651 /* FIXME this is slow and we do it twice per event.
4652 * My favorite solution is to have GtkTextLayout cache
4653 * the last couple lookups.
4655 gtk_text_layout_get_iter_at_pixel (priv->layout,
4659 return emit_event_on_tags (widget, event, &iter);
4661 else if (event->type == GDK_KEY_PRESS ||
4662 event->type == GDK_KEY_RELEASE)
4666 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter,
4667 gtk_text_buffer_get_insert (get_buffer (text_view)));
4669 return emit_event_on_tags (widget, event, &iter);
4676 gtk_text_view_key_press_event (GtkWidget *widget, GdkEventKey *event)
4678 GtkTextView *text_view;
4679 GtkTextViewPrivate *priv;
4680 GtkTextMark *insert;
4682 gboolean can_insert;
4683 gboolean retval = FALSE;
4684 gboolean obscure = FALSE;
4686 text_view = GTK_TEXT_VIEW (widget);
4687 priv = text_view->priv;
4689 if (priv->layout == NULL ||
4690 get_buffer (text_view) == NULL)
4693 /* Make sure input method knows where it is */
4694 flush_update_im_spot_location (text_view);
4696 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
4697 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
4698 can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
4699 if (gtk_im_context_filter_keypress (priv->im_context, event))
4701 priv->need_im_reset = TRUE;
4703 gtk_text_view_reset_im_context (text_view);
4704 obscure = can_insert;
4708 else if (GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_press_event (widget, event))
4712 /* use overall editability not can_insert, more predictable for users */
4713 else if (priv->editable &&
4714 (event->keyval == GDK_KEY_Return ||
4715 event->keyval == GDK_KEY_ISO_Enter ||
4716 event->keyval == GDK_KEY_KP_Enter))
4718 /* this won't actually insert the newline if the cursor isn't
4721 gtk_text_view_reset_im_context (text_view);
4722 gtk_text_view_commit_text (text_view, "\n");
4727 /* Pass through Tab as literal tab, unless Control is held down */
4728 else if ((event->keyval == GDK_KEY_Tab ||
4729 event->keyval == GDK_KEY_KP_Tab ||
4730 event->keyval == GDK_KEY_ISO_Left_Tab) &&
4731 !(event->state & GDK_CONTROL_MASK))
4733 /* If the text widget isn't editable overall, or if the application
4734 * has turned off "accepts_tab", move the focus instead
4736 if (priv->accepts_tab && priv->editable)
4738 gtk_text_view_reset_im_context (text_view);
4739 gtk_text_view_commit_text (text_view, "\t");
4743 g_signal_emit_by_name (text_view, "move-focus",
4744 (event->state & GDK_SHIFT_MASK) ?
4745 GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD);
4753 gtk_text_view_obscure_mouse_cursor (text_view);
4755 gtk_text_view_reset_blink_time (text_view);
4756 gtk_text_view_pend_cursor_blink (text_view);
4758 _gtk_text_handle_set_mode (priv->text_handle,
4759 GTK_TEXT_HANDLE_MODE_NONE);
4765 gtk_text_view_key_release_event (GtkWidget *widget, GdkEventKey *event)
4767 GtkTextView *text_view;
4768 GtkTextViewPrivate *priv;
4769 GtkTextMark *insert;
4772 text_view = GTK_TEXT_VIEW (widget);
4773 priv = text_view->priv;
4775 if (priv->layout == NULL || get_buffer (text_view) == NULL)
4778 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
4779 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
4780 if (gtk_text_iter_can_insert (&iter, priv->editable) &&
4781 gtk_im_context_filter_keypress (priv->im_context, event))
4783 priv->need_im_reset = TRUE;
4787 return GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_release_event (widget, event);
4791 gtk_text_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
4793 GtkTextView *text_view;
4794 GtkTextViewPrivate *priv;
4796 gboolean is_touchscreen;
4798 text_view = GTK_TEXT_VIEW (widget);
4799 priv = text_view->priv;
4801 gtk_widget_grab_focus (widget);
4803 if (event->window != priv->text_window->bin_window)
4805 /* Remove selection if any. */
4806 gtk_text_view_unselect (text_view);
4810 gtk_text_view_reset_blink_time (text_view);
4814 if (event->button == GDK_BUTTON_SECONDARY && (event->state & GDK_CONTROL_MASK) != 0)
4815 _gtk_text_buffer_spew (GTK_TEXT_VIEW (widget)->buffer);
4816 else if (event->button == GDK_BUTTON_SECONDARY)
4817 gtk_text_layout_spew (GTK_TEXT_VIEW (widget)->layout);
4820 device = gdk_event_get_source_device ((GdkEvent *) event);
4821 is_touchscreen = test_touchscreen ||
4822 gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN;
4824 if (event->type == GDK_BUTTON_PRESS)
4826 gtk_text_view_reset_im_context (text_view);
4828 if (gdk_event_triggers_context_menu ((GdkEvent *) event))
4830 gtk_text_view_do_popup (text_view, event);
4833 else if (event->button == GDK_BUTTON_PRIMARY)
4835 /* If we're in the selection, start a drag copy/move of the
4836 * selection; otherwise, start creating a new selection.
4839 GtkTextIter start, end;
4841 gtk_text_layout_get_iter_at_pixel (priv->layout,
4843 event->x + priv->xoffset,
4844 event->y + priv->yoffset);
4846 if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
4848 gtk_text_iter_in_range (&iter, &start, &end) &&
4850 gtk_widget_get_modifier_mask (widget,
4851 GDK_MODIFIER_INTENT_EXTEND_SELECTION)))
4853 priv->grab_device = event->device;
4854 priv->drag_start_x = event->x;
4855 priv->drag_start_y = event->y;
4856 priv->pending_place_cursor_button = event->button;
4860 GtkTextHandleMode mode;
4862 gtk_text_view_start_selection_drag (text_view, &iter, event);
4864 if (gtk_widget_is_sensitive (widget) && is_touchscreen)
4865 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
4867 mode = GTK_TEXT_HANDLE_MODE_NONE;
4869 gtk_text_view_update_handles (text_view, mode);
4874 else if (event->button == GDK_BUTTON_MIDDLE &&
4875 get_middle_click_paste (text_view))
4879 /* We do not want to scroll back to the insert iter when we paste
4880 with the middle button */
4881 priv->scroll_after_paste = FALSE;
4883 gtk_text_layout_get_iter_at_pixel (priv->layout,
4885 event->x + priv->xoffset,
4886 event->y + priv->yoffset);
4888 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
4889 gtk_widget_get_clipboard (widget, GDK_SELECTION_PRIMARY),
4895 else if ((event->type == GDK_2BUTTON_PRESS ||
4896 event->type == GDK_3BUTTON_PRESS) &&
4897 event->button == GDK_BUTTON_PRIMARY)
4900 GtkTextHandleMode mode;
4902 gtk_text_view_end_selection_drag (text_view);
4904 gtk_text_layout_get_iter_at_pixel (priv->layout,
4906 event->x + priv->xoffset,
4907 event->y + priv->yoffset);
4909 gtk_text_view_start_selection_drag (text_view, &iter, event);
4911 if (gtk_widget_is_sensitive (widget) && is_touchscreen)
4912 mode = GTK_TEXT_HANDLE_MODE_SELECTION;
4914 mode = GTK_TEXT_HANDLE_MODE_NONE;
4916 gtk_text_view_update_handles (text_view, mode);
4924 gtk_text_view_button_release_event (GtkWidget *widget, GdkEventButton *event)
4926 GtkTextView *text_view;
4927 GtkTextViewPrivate *priv;
4929 text_view = GTK_TEXT_VIEW (widget);
4930 priv = text_view->priv;
4932 if (event->window != priv->text_window->bin_window)
4935 if (event->button == GDK_BUTTON_PRIMARY)
4937 if (priv->drag_start_x >= 0)
4939 priv->drag_start_x = -1;
4940 priv->drag_start_y = -1;
4943 if (gtk_text_view_end_selection_drag (GTK_TEXT_VIEW (widget)))
4945 else if (priv->pending_place_cursor_button == event->button)
4947 GtkTextHandleMode mode;
4951 /* Unselect everything; we clicked inside selection, but
4952 * didn't move by the drag threshold, so just clear selection
4955 gtk_text_layout_get_iter_at_pixel (priv->layout,
4957 event->x + priv->xoffset,
4958 event->y + priv->yoffset);
4960 gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
4961 gtk_text_view_check_cursor_blink (text_view);
4963 device = gdk_event_get_source_device ((GdkEvent *) event);
4965 if (gtk_widget_is_sensitive (widget) &&
4966 (test_touchscreen ||
4967 gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN))
4968 mode = GTK_TEXT_HANDLE_MODE_CURSOR;
4970 mode = GTK_TEXT_HANDLE_MODE_NONE;
4972 gtk_text_view_update_handles (text_view, mode);
4973 priv->pending_place_cursor_button = 0;
4983 keymap_direction_changed (GdkKeymap *keymap,
4984 GtkTextView *text_view)
4986 gtk_text_view_check_keymap_direction (text_view);
4990 gtk_text_view_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
4992 GtkTextView *text_view;
4993 GtkTextViewPrivate *priv;
4995 text_view = GTK_TEXT_VIEW (widget);
4996 priv = text_view->priv;
4998 gtk_widget_queue_draw (widget);
5000 DV(g_print (G_STRLOC": focus_in_event\n"));
5002 gtk_text_view_reset_blink_time (text_view);
5004 if (priv->cursor_visible && priv->layout)
5006 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5007 gtk_text_view_check_cursor_blink (text_view);
5010 g_signal_connect (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
5011 "direction-changed",
5012 G_CALLBACK (keymap_direction_changed), text_view);
5013 gtk_text_view_check_keymap_direction (text_view);
5017 priv->need_im_reset = TRUE;
5018 gtk_im_context_focus_in (priv->im_context);
5025 gtk_text_view_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
5027 GtkTextView *text_view;
5028 GtkTextViewPrivate *priv;
5030 text_view = GTK_TEXT_VIEW (widget);
5031 priv = text_view->priv;
5033 gtk_text_view_end_selection_drag (text_view);
5035 gtk_widget_queue_draw (widget);
5037 DV(g_print (G_STRLOC": focus_out_event\n"));
5039 if (priv->cursor_visible && priv->layout)
5041 gtk_text_view_check_cursor_blink (text_view);
5042 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
5045 g_signal_handlers_disconnect_by_func (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
5046 keymap_direction_changed,
5048 _gtk_text_handle_set_mode (priv->text_handle,
5049 GTK_TEXT_HANDLE_MODE_NONE);
5053 priv->need_im_reset = TRUE;
5054 gtk_im_context_focus_out (priv->im_context);
5061 gtk_text_view_motion_event (GtkWidget *widget, GdkEventMotion *event)
5063 GtkTextView *text_view;
5064 GtkTextViewPrivate *priv;
5066 text_view = GTK_TEXT_VIEW (widget);
5067 priv = text_view->priv;
5069 gtk_text_view_unobscure_mouse_cursor (text_view);
5071 if (event->window == priv->text_window->bin_window &&
5072 priv->drag_start_x >= 0)
5077 gdk_event_request_motions (event);
5079 if (gtk_drag_check_threshold (widget,
5085 gint buffer_x, buffer_y;
5087 gtk_text_view_window_to_buffer_coords (text_view,
5088 GTK_TEXT_WINDOW_TEXT,
5094 gtk_text_layout_get_iter_at_pixel (priv->layout,
5096 buffer_x, buffer_y);
5098 gtk_text_view_start_selection_dnd (text_view, &iter, event);
5107 gtk_text_view_paint (GtkWidget *widget,
5110 GtkTextView *text_view;
5111 GtkTextViewPrivate *priv;
5113 text_view = GTK_TEXT_VIEW (widget);
5114 priv = text_view->priv;
5116 g_return_if_fail (priv->layout != NULL);
5117 g_return_if_fail (priv->xoffset >= 0);
5118 g_return_if_fail (priv->yoffset >= 0);
5120 while (priv->first_validate_idle != 0)
5122 DV (g_print (G_STRLOC": first_validate_idle: %d\n",
5123 priv->first_validate_idle));
5124 gtk_text_view_flush_first_validate (text_view);
5127 if (!priv->onscreen_validated)
5129 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.");
5130 g_assert_not_reached ();
5134 printf ("painting %d,%d %d x %d\n",
5136 area->width, area->height);
5140 cairo_translate (cr, -priv->xoffset, -priv->yoffset);
5142 gtk_text_layout_draw (priv->layout,
5151 gtk_text_view_draw (GtkWidget *widget,
5157 if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
5158 gtk_text_view_draw_focus (widget, cr);
5160 window = gtk_text_view_get_window (GTK_TEXT_VIEW (widget),
5161 GTK_TEXT_WINDOW_TEXT);
5162 if (gtk_cairo_should_draw_window (cr, window))
5164 DV(g_print (">Exposed ("G_STRLOC")\n"));
5166 gtk_cairo_transform_to_window (cr, widget, window);
5167 gtk_text_view_paint (widget, cr);
5171 /* Propagate exposes to all unanchored children.
5172 * Anchored children are handled in gtk_text_view_paint().
5174 tmp_list = GTK_TEXT_VIEW (widget)->priv->children;
5175 while (tmp_list != NULL)
5177 GtkTextViewChild *vc = tmp_list->data;
5179 /* propagate_draw checks that event->window matches
5182 gtk_container_propagate_draw (GTK_CONTAINER (widget),
5186 tmp_list = tmp_list->next;
5193 gtk_text_view_draw_focus (GtkWidget *widget,
5196 gboolean interior_focus;
5198 /* We clear the focus if we are in interior focus mode. */
5199 gtk_widget_style_get (widget,
5200 "interior-focus", &interior_focus,
5203 if (gtk_widget_has_visible_focus (widget) && !interior_focus)
5205 GtkStyleContext *context;
5207 context = gtk_widget_get_style_context (widget);
5209 gtk_render_focus (context, cr, 0, 0,
5210 gtk_widget_get_allocated_width (widget),
5211 gtk_widget_get_allocated_height (widget));
5216 gtk_text_view_focus (GtkWidget *widget,
5217 GtkDirectionType direction)
5219 GtkContainer *container;
5222 container = GTK_CONTAINER (widget);
5224 if (!gtk_widget_is_focus (widget) &&
5225 gtk_container_get_focus_child (container) == NULL)
5227 gtk_widget_grab_focus (widget);
5233 * Unset CAN_FOCUS flag so that gtk_container_focus() allows
5234 * children to get the focus
5236 gtk_widget_set_can_focus (widget, FALSE);
5237 result = GTK_WIDGET_CLASS (gtk_text_view_parent_class)->focus (widget, direction);
5238 gtk_widget_set_can_focus (widget, TRUE);
5249 gtk_text_view_add (GtkContainer *container,
5252 /* This is pretty random. */
5253 gtk_text_view_add_child_in_window (GTK_TEXT_VIEW (container),
5255 GTK_TEXT_WINDOW_WIDGET,
5260 gtk_text_view_remove (GtkContainer *container,
5263 GtkTextView *text_view;
5264 GtkTextViewPrivate *priv;
5265 GtkTextViewChild *vc;
5268 text_view = GTK_TEXT_VIEW (container);
5269 priv = text_view->priv;
5272 iter = priv->children;
5274 while (iter != NULL)
5278 if (vc->widget == child)
5281 iter = g_slist_next (iter);
5284 g_assert (iter != NULL); /* be sure we had the child in the list */
5286 priv->children = g_slist_remove (priv->children, vc);
5288 gtk_widget_unparent (vc->widget);
5290 text_view_child_free (vc);
5294 gtk_text_view_forall (GtkContainer *container,
5295 gboolean include_internals,
5296 GtkCallback callback,
5297 gpointer callback_data)
5300 GtkTextView *text_view;
5303 g_return_if_fail (GTK_IS_TEXT_VIEW (container));
5304 g_return_if_fail (callback != NULL);
5306 text_view = GTK_TEXT_VIEW (container);
5308 copy = g_slist_copy (text_view->priv->children);
5311 while (iter != NULL)
5313 GtkTextViewChild *vc = iter->data;
5315 (* callback) (vc->widget, callback_data);
5317 iter = g_slist_next (iter);
5320 g_slist_free (copy);
5323 #define CURSOR_ON_MULTIPLIER 2
5324 #define CURSOR_OFF_MULTIPLIER 1
5325 #define CURSOR_PEND_MULTIPLIER 3
5326 #define CURSOR_DIVIDER 3
5329 cursor_blinks (GtkTextView *text_view)
5331 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5334 #ifdef DEBUG_VALIDATION_AND_SCROLLING
5337 if (gtk_get_debug_flags () & GTK_DEBUG_UPDATES)
5340 g_object_get (settings, "gtk-cursor-blink", &blink, NULL);
5345 if (text_view->priv->editable)
5347 GtkTextMark *insert;
5350 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
5351 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
5353 if (gtk_text_iter_editable (&iter, text_view->priv->editable))
5361 get_middle_click_paste (GtkTextView *text_view)
5363 GtkSettings *settings;
5366 settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5367 g_object_get (settings, "gtk-enable-primary-paste", &paste, NULL);
5373 get_cursor_time (GtkTextView *text_view)
5375 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5378 g_object_get (settings, "gtk-cursor-blink-time", &time, NULL);
5384 get_cursor_blink_timeout (GtkTextView *text_view)
5386 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5389 g_object_get (settings, "gtk-cursor-blink-timeout", &time, NULL);
5400 blink_cb (gpointer data)
5402 GtkTextView *text_view;
5403 GtkTextViewPrivate *priv;
5407 text_view = GTK_TEXT_VIEW (data);
5408 priv = text_view->priv;
5410 if (!gtk_widget_has_focus (GTK_WIDGET (text_view)))
5412 g_warning ("GtkTextView - did not receive focus-out-event. If you\n"
5413 "connect a handler to this signal, it must return\n"
5414 "FALSE so the text view gets the event as well");
5416 gtk_text_view_check_cursor_blink (text_view);
5421 g_assert (priv->layout);
5422 g_assert (priv->cursor_visible);
5424 visible = gtk_text_layout_get_cursor_visible (priv->layout);
5426 blink_timeout = get_cursor_blink_timeout (text_view);
5427 if (priv->blink_time > 1000 * blink_timeout &&
5428 blink_timeout < G_MAXINT/1000)
5430 /* we've blinked enough without the user doing anything, stop blinking */
5432 priv->blink_timeout = 0;
5435 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
5440 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_ON_MULTIPLIER / CURSOR_DIVIDER,
5443 priv->blink_time += get_cursor_time (text_view);
5446 /* Block changed_handler while changing the layout's cursor visibility
5447 * because it would expose the whole paragraph. Instead, we expose
5448 * the cursor's area(s) manually below.
5450 g_signal_handlers_block_by_func (priv->layout,
5453 gtk_text_layout_set_cursor_visible (priv->layout, !visible);
5454 g_signal_handlers_unblock_by_func (priv->layout,
5458 text_window_invalidate_cursors (priv->text_window);
5460 /* Remove ourselves */
5466 gtk_text_view_stop_cursor_blink (GtkTextView *text_view)
5468 if (text_view->priv->blink_timeout)
5470 g_source_remove (text_view->priv->blink_timeout);
5471 text_view->priv->blink_timeout = 0;
5476 gtk_text_view_check_cursor_blink (GtkTextView *text_view)
5478 GtkTextViewPrivate *priv = text_view->priv;
5480 if (priv->layout != NULL &&
5481 priv->cursor_visible &&
5482 gtk_widget_has_focus (GTK_WIDGET (text_view)))
5484 if (cursor_blinks (text_view))
5486 if (priv->blink_timeout == 0)
5488 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5490 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
5497 gtk_text_view_stop_cursor_blink (text_view);
5498 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5503 gtk_text_view_stop_cursor_blink (text_view);
5504 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
5509 gtk_text_view_pend_cursor_blink (GtkTextView *text_view)
5511 GtkTextViewPrivate *priv = text_view->priv;
5513 if (priv->layout != NULL &&
5514 priv->cursor_visible &&
5515 gtk_widget_has_focus (GTK_WIDGET (text_view)) &&
5516 cursor_blinks (text_view))
5518 gtk_text_view_stop_cursor_blink (text_view);
5519 gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
5521 priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_PEND_MULTIPLIER / CURSOR_DIVIDER,
5528 gtk_text_view_reset_blink_time (GtkTextView *text_view)
5530 GtkTextViewPrivate *priv = text_view->priv;
5532 priv->blink_time = 0;
5537 * Key binding handlers
5541 gtk_text_view_move_iter_by_lines (GtkTextView *text_view,
5542 GtkTextIter *newplace,
5545 gboolean ret = TRUE;
5549 ret = gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, newplace);
5555 ret = gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, newplace);
5563 move_cursor (GtkTextView *text_view,
5564 const GtkTextIter *new_location,
5565 gboolean extend_selection)
5567 if (extend_selection)
5568 gtk_text_buffer_move_mark_by_name (get_buffer (text_view),
5572 gtk_text_buffer_place_cursor (get_buffer (text_view),
5574 gtk_text_view_check_cursor_blink (text_view);
5578 gtk_text_view_move_cursor_internal (GtkTextView *text_view,
5579 GtkMovementStep step,
5581 gboolean extend_selection)
5583 GtkTextViewPrivate *priv;
5585 GtkTextIter newplace;
5586 gboolean cancel_selection = FALSE;
5587 gint cursor_x_pos = 0;
5588 GtkDirectionType leave_direction = -1;
5590 priv = text_view->priv;
5592 if (!priv->cursor_visible)
5594 GtkScrollStep scroll_step;
5595 gdouble old_xpos, old_ypos;
5599 case GTK_MOVEMENT_VISUAL_POSITIONS:
5600 leave_direction = count > 0 ? GTK_DIR_RIGHT : GTK_DIR_LEFT;
5602 case GTK_MOVEMENT_LOGICAL_POSITIONS:
5603 case GTK_MOVEMENT_WORDS:
5604 scroll_step = GTK_SCROLL_HORIZONTAL_STEPS;
5606 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
5607 scroll_step = GTK_SCROLL_HORIZONTAL_ENDS;
5609 case GTK_MOVEMENT_DISPLAY_LINES:
5610 leave_direction = count > 0 ? GTK_DIR_DOWN : GTK_DIR_UP;
5612 case GTK_MOVEMENT_PARAGRAPHS:
5613 case GTK_MOVEMENT_PARAGRAPH_ENDS:
5614 scroll_step = GTK_SCROLL_STEPS;
5616 case GTK_MOVEMENT_PAGES:
5617 scroll_step = GTK_SCROLL_PAGES;
5619 case GTK_MOVEMENT_HORIZONTAL_PAGES:
5620 scroll_step = GTK_SCROLL_HORIZONTAL_PAGES;
5622 case GTK_MOVEMENT_BUFFER_ENDS:
5623 scroll_step = GTK_SCROLL_ENDS;
5626 scroll_step = GTK_SCROLL_PAGES;
5630 old_xpos = priv->xoffset;
5631 old_ypos = priv->yoffset;
5632 gtk_text_view_move_viewport (text_view, scroll_step, count);
5633 if ((old_xpos == priv->xoffset && old_ypos == priv->yoffset) &&
5634 leave_direction != -1 &&
5635 !gtk_widget_keynav_failed (GTK_WIDGET (text_view),
5638 g_signal_emit_by_name (text_view, "move-focus", leave_direction);
5644 gtk_text_view_reset_im_context (text_view);
5646 if (step == GTK_MOVEMENT_PAGES)
5648 if (!gtk_text_view_scroll_pages (text_view, count, extend_selection))
5649 gtk_widget_error_bell (GTK_WIDGET (text_view));
5651 gtk_text_view_check_cursor_blink (text_view);
5652 gtk_text_view_pend_cursor_blink (text_view);
5655 else if (step == GTK_MOVEMENT_HORIZONTAL_PAGES)
5657 if (!gtk_text_view_scroll_hpages (text_view, count, extend_selection))
5658 gtk_widget_error_bell (GTK_WIDGET (text_view));
5660 gtk_text_view_check_cursor_blink (text_view);
5661 gtk_text_view_pend_cursor_blink (text_view);
5665 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
5666 gtk_text_buffer_get_insert (get_buffer (text_view)));
5668 if (! extend_selection)
5670 GtkTextIter sel_bound;
5672 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &sel_bound,
5673 gtk_text_buffer_get_selection_bound (get_buffer (text_view)));
5675 /* if we move forward, assume the cursor is at the end of the selection;
5676 * if we move backward, assume the cursor is at the start
5679 gtk_text_iter_order (&sel_bound, &insert);
5681 gtk_text_iter_order (&insert, &sel_bound);
5683 /* if we actually have a selection, just move *to* the beginning/end
5684 * of the selection and not *from* there on LOGICAL_POSITIONS
5685 * and VISUAL_POSITIONS movement
5687 if (! gtk_text_iter_equal (&sel_bound, &insert))
5688 cancel_selection = TRUE;
5693 if (step == GTK_MOVEMENT_DISPLAY_LINES)
5694 gtk_text_view_get_virtual_cursor_pos (text_view, &insert, &cursor_x_pos, NULL);
5698 case GTK_MOVEMENT_LOGICAL_POSITIONS:
5699 if (! cancel_selection)
5700 gtk_text_iter_forward_visible_cursor_positions (&newplace, count);
5703 case GTK_MOVEMENT_VISUAL_POSITIONS:
5704 if (! cancel_selection)
5705 gtk_text_layout_move_iter_visually (priv->layout,
5709 case GTK_MOVEMENT_WORDS:
5711 gtk_text_iter_backward_visible_word_starts (&newplace, -count);
5714 if (!gtk_text_iter_forward_visible_word_ends (&newplace, count))
5715 gtk_text_iter_forward_to_line_end (&newplace);
5719 case GTK_MOVEMENT_DISPLAY_LINES:
5722 leave_direction = GTK_DIR_UP;
5724 if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
5725 gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
5727 gtk_text_iter_set_line_offset (&newplace, 0);
5731 leave_direction = GTK_DIR_DOWN;
5733 if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
5734 gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
5736 gtk_text_iter_forward_to_line_end (&newplace);
5740 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
5742 gtk_text_view_move_iter_by_lines (text_view, &newplace, --count);
5743 else if (count < -1)
5744 gtk_text_view_move_iter_by_lines (text_view, &newplace, ++count);
5747 gtk_text_layout_move_iter_to_line_end (priv->layout, &newplace, count);
5750 case GTK_MOVEMENT_PARAGRAPHS:
5753 if (!gtk_text_iter_ends_line (&newplace))
5755 gtk_text_iter_forward_to_line_end (&newplace);
5758 gtk_text_iter_forward_visible_lines (&newplace, count);
5759 gtk_text_iter_forward_to_line_end (&newplace);
5763 if (gtk_text_iter_get_line_offset (&newplace) > 0)
5764 gtk_text_iter_set_line_offset (&newplace, 0);
5765 gtk_text_iter_forward_visible_lines (&newplace, count);
5766 gtk_text_iter_set_line_offset (&newplace, 0);
5770 case GTK_MOVEMENT_PARAGRAPH_ENDS:
5773 if (!gtk_text_iter_ends_line (&newplace))
5774 gtk_text_iter_forward_to_line_end (&newplace);
5778 gtk_text_iter_set_line_offset (&newplace, 0);
5782 case GTK_MOVEMENT_BUFFER_ENDS:
5784 gtk_text_buffer_get_end_iter (get_buffer (text_view), &newplace);
5786 gtk_text_buffer_get_iter_at_offset (get_buffer (text_view), &newplace, 0);
5793 /* call move_cursor() even if the cursor hasn't moved, since it
5794 cancels the selection
5796 move_cursor (text_view, &newplace, extend_selection);
5798 if (!gtk_text_iter_equal (&insert, &newplace))
5800 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5801 gtk_text_view_scroll_mark_onscreen (text_view,
5802 gtk_text_buffer_get_insert (get_buffer (text_view)));
5804 if (step == GTK_MOVEMENT_DISPLAY_LINES)
5805 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, -1);
5807 else if (leave_direction != -1)
5809 if (!gtk_widget_keynav_failed (GTK_WIDGET (text_view),
5812 g_signal_emit_by_name (text_view, "move-focus", leave_direction);
5815 else if (! cancel_selection)
5817 gtk_widget_error_bell (GTK_WIDGET (text_view));
5820 gtk_text_view_check_cursor_blink (text_view);
5821 gtk_text_view_pend_cursor_blink (text_view);
5825 gtk_text_view_move_cursor (GtkTextView *text_view,
5826 GtkMovementStep step,
5828 gboolean extend_selection)
5830 gtk_text_view_move_cursor_internal (text_view, step, count, extend_selection);
5834 gtk_text_view_move_viewport (GtkTextView *text_view,
5838 GtkAdjustment *adjustment;
5843 case GTK_SCROLL_STEPS:
5844 case GTK_SCROLL_PAGES:
5845 case GTK_SCROLL_ENDS:
5846 adjustment = text_view->priv->vadjustment;
5848 case GTK_SCROLL_HORIZONTAL_STEPS:
5849 case GTK_SCROLL_HORIZONTAL_PAGES:
5850 case GTK_SCROLL_HORIZONTAL_ENDS:
5851 adjustment = text_view->priv->hadjustment;
5854 adjustment = text_view->priv->vadjustment;
5860 case GTK_SCROLL_STEPS:
5861 case GTK_SCROLL_HORIZONTAL_STEPS:
5862 increment = gtk_adjustment_get_step_increment (adjustment);
5864 case GTK_SCROLL_PAGES:
5865 case GTK_SCROLL_HORIZONTAL_PAGES:
5866 increment = gtk_adjustment_get_page_increment (adjustment);
5868 case GTK_SCROLL_ENDS:
5869 case GTK_SCROLL_HORIZONTAL_ENDS:
5870 increment = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment);
5877 gtk_adjustment_set_value (adjustment, gtk_adjustment_get_value (adjustment) + count * increment);
5881 gtk_text_view_set_anchor (GtkTextView *text_view)
5885 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
5886 gtk_text_buffer_get_insert (get_buffer (text_view)));
5888 gtk_text_buffer_create_mark (get_buffer (text_view), "anchor", &insert, TRUE);
5892 gtk_text_view_scroll_pages (GtkTextView *text_view,
5894 gboolean extend_selection)
5896 GtkTextViewPrivate *priv;
5897 GtkAdjustment *adjustment;
5898 gint cursor_x_pos, cursor_y_pos;
5899 GtkTextMark *insert_mark;
5900 GtkTextIter old_insert;
5901 GtkTextIter new_insert;
5907 priv = text_view->priv;
5909 g_return_val_if_fail (priv->vadjustment != NULL, FALSE);
5911 adjustment = priv->vadjustment;
5913 insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
5915 /* Make sure we start from the current cursor position, even
5916 * if it was offscreen, but don't queue more scrolls if we're
5919 if (priv->pending_scroll)
5920 cancel_pending_scroll (text_view);
5922 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
5924 /* Validate the region that will be brought into view by the cursor motion
5926 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
5927 &old_insert, insert_mark);
5931 gtk_text_view_get_first_para_iter (text_view, &anchor);
5932 y0 = gtk_adjustment_get_page_size (adjustment);
5933 y1 = gtk_adjustment_get_page_size (adjustment) + count * gtk_adjustment_get_page_increment (adjustment);
5937 gtk_text_view_get_first_para_iter (text_view, &anchor);
5938 y0 = count * gtk_adjustment_get_page_increment (adjustment) + gtk_adjustment_get_page_size (adjustment);
5942 gtk_text_layout_validate_yrange (priv->layout, &anchor, y0, y1);
5943 /* FIXME do we need to update the adjustment ranges here? */
5945 new_insert = old_insert;
5947 if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
5949 /* already at top, just be sure we are at offset 0 */
5950 gtk_text_buffer_get_start_iter (get_buffer (text_view), &new_insert);
5951 move_cursor (text_view, &new_insert, extend_selection);
5953 else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
5955 /* already at bottom, just be sure we are at the end */
5956 gtk_text_buffer_get_end_iter (get_buffer (text_view), &new_insert);
5957 move_cursor (text_view, &new_insert, extend_selection);
5961 gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
5963 oldval = gtk_adjustment_get_value (adjustment);
5964 newval = gtk_adjustment_get_value (adjustment);
5966 newval += count * gtk_adjustment_get_page_increment (adjustment);
5968 gtk_adjustment_set_value (adjustment, newval);
5969 cursor_y_pos += gtk_adjustment_get_value (adjustment) - oldval;
5971 gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
5972 clamp_iter_onscreen (text_view, &new_insert);
5973 move_cursor (text_view, &new_insert, extend_selection);
5975 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
5978 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
5979 * only guarantees 1 pixel onscreen.
5981 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5982 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
5984 return !gtk_text_iter_equal (&old_insert, &new_insert);
5988 gtk_text_view_scroll_hpages (GtkTextView *text_view,
5990 gboolean extend_selection)
5992 GtkTextViewPrivate *priv;
5993 GtkAdjustment *adjustment;
5994 gint cursor_x_pos, cursor_y_pos;
5995 GtkTextMark *insert_mark;
5996 GtkTextIter old_insert;
5997 GtkTextIter new_insert;
6002 priv = text_view->priv;
6004 g_return_val_if_fail (priv->hadjustment != NULL, FALSE);
6006 adjustment = priv->hadjustment;
6008 insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
6010 /* Make sure we start from the current cursor position, even
6011 * if it was offscreen, but don't queue more scrolls if we're
6014 if (priv->pending_scroll)
6015 cancel_pending_scroll (text_view);
6017 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
6019 /* Validate the line that we're moving within.
6021 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6022 &old_insert, insert_mark);
6024 gtk_text_layout_get_line_yrange (priv->layout, &old_insert, &y, &height);
6025 gtk_text_layout_validate_yrange (priv->layout, &old_insert, y, y + height);
6026 /* FIXME do we need to update the adjustment ranges here? */
6028 new_insert = old_insert;
6030 if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
6032 /* already at far left, just be sure we are at offset 0 */
6033 gtk_text_iter_set_line_offset (&new_insert, 0);
6034 move_cursor (text_view, &new_insert, extend_selection);
6036 else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
6038 /* already at far right, just be sure we are at the end */
6039 if (!gtk_text_iter_ends_line (&new_insert))
6040 gtk_text_iter_forward_to_line_end (&new_insert);
6041 move_cursor (text_view, &new_insert, extend_selection);
6045 gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
6047 oldval = gtk_adjustment_get_value (adjustment);
6048 newval = gtk_adjustment_get_value (adjustment);
6050 newval += count * gtk_adjustment_get_page_increment (adjustment);
6052 gtk_adjustment_set_value (adjustment, newval);
6053 cursor_x_pos += gtk_adjustment_get_value (adjustment) - oldval;
6055 gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
6056 clamp_iter_onscreen (text_view, &new_insert);
6057 move_cursor (text_view, &new_insert, extend_selection);
6059 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
6062 /* FIXME for lines shorter than the overall widget width, this results in a
6063 * "bounce" effect as we scroll to the right of the widget, then scroll
6064 * back to get the end of the line onscreen.
6065 * http://bugzilla.gnome.org/show_bug.cgi?id=68963
6068 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
6069 * only guarantees 1 pixel onscreen.
6071 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6072 gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
6074 return !gtk_text_iter_equal (&old_insert, &new_insert);
6078 whitespace (gunichar ch, gpointer user_data)
6080 return (ch == ' ' || ch == '\t');
6084 not_whitespace (gunichar ch, gpointer user_data)
6086 return !whitespace (ch, user_data);
6090 find_whitepace_region (const GtkTextIter *center,
6091 GtkTextIter *start, GtkTextIter *end)
6096 if (gtk_text_iter_backward_find_char (start, not_whitespace, NULL, NULL))
6097 gtk_text_iter_forward_char (start); /* we want the first whitespace... */
6098 if (whitespace (gtk_text_iter_get_char (end), NULL))
6099 gtk_text_iter_forward_find_char (end, not_whitespace, NULL, NULL);
6101 return !gtk_text_iter_equal (start, end);
6105 gtk_text_view_insert_at_cursor (GtkTextView *text_view,
6108 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
6109 text_view->priv->editable))
6111 gtk_widget_error_bell (GTK_WIDGET (text_view));
6116 gtk_text_view_delete_from_cursor (GtkTextView *text_view,
6120 GtkTextViewPrivate *priv;
6124 gboolean leave_one = FALSE;
6126 priv = text_view->priv;
6128 gtk_text_view_reset_im_context (text_view);
6130 if (type == GTK_DELETE_CHARS)
6132 /* Char delete deletes the selection, if one exists */
6133 if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6138 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
6139 gtk_text_buffer_get_insert (get_buffer (text_view)));
6146 case GTK_DELETE_CHARS:
6147 gtk_text_iter_forward_cursor_positions (&end, count);
6150 case GTK_DELETE_WORD_ENDS:
6152 gtk_text_iter_forward_word_ends (&end, count);
6154 gtk_text_iter_backward_word_starts (&start, 0 - count);
6157 case GTK_DELETE_WORDS:
6160 case GTK_DELETE_DISPLAY_LINE_ENDS:
6163 case GTK_DELETE_DISPLAY_LINES:
6166 case GTK_DELETE_PARAGRAPH_ENDS:
6169 /* If we're already at a newline, we need to
6170 * simply delete that newline, instead of
6171 * moving to the next one.
6173 if (gtk_text_iter_ends_line (&end))
6175 gtk_text_iter_forward_line (&end);
6181 if (!gtk_text_iter_forward_to_line_end (&end))
6189 if (gtk_text_iter_starts_line (&start))
6191 gtk_text_iter_backward_line (&start);
6192 if (!gtk_text_iter_ends_line (&end))
6193 gtk_text_iter_forward_to_line_end (&start);
6197 gtk_text_iter_set_line_offset (&start, 0);
6201 gtk_text_iter_backward_lines (&start, -count);
6205 case GTK_DELETE_PARAGRAPHS:
6208 gtk_text_iter_set_line_offset (&start, 0);
6209 gtk_text_iter_forward_to_line_end (&end);
6211 /* Do the lines beyond the first. */
6214 gtk_text_iter_forward_to_line_end (&end);
6220 /* FIXME negative count? */
6224 case GTK_DELETE_WHITESPACE:
6226 find_whitepace_region (&insert, &start, &end);
6234 if (!gtk_text_iter_equal (&start, &end))
6236 gtk_text_buffer_begin_user_action (get_buffer (text_view));
6238 if (gtk_text_buffer_delete_interactive (get_buffer (text_view), &start, &end,
6242 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view),
6248 gtk_widget_error_bell (GTK_WIDGET (text_view));
6251 gtk_text_buffer_end_user_action (get_buffer (text_view));
6252 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
6254 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6255 gtk_text_view_scroll_mark_onscreen (text_view,
6256 gtk_text_buffer_get_insert (get_buffer (text_view)));
6260 gtk_widget_error_bell (GTK_WIDGET (text_view));
6265 gtk_text_view_backspace (GtkTextView *text_view)
6267 GtkTextViewPrivate *priv;
6270 priv = text_view->priv;
6272 gtk_text_view_reset_im_context (text_view);
6274 /* Backspace deletes the selection, if one exists */
6275 if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6279 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6281 gtk_text_buffer_get_insert (get_buffer (text_view)));
6283 if (gtk_text_buffer_backspace (get_buffer (text_view), &insert,
6284 TRUE, priv->editable))
6286 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
6287 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6288 gtk_text_view_scroll_mark_onscreen (text_view,
6289 gtk_text_buffer_get_insert (get_buffer (text_view)));
6293 gtk_widget_error_bell (GTK_WIDGET (text_view));
6298 gtk_text_view_cut_clipboard (GtkTextView *text_view)
6300 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6301 GDK_SELECTION_CLIPBOARD);
6303 gtk_text_buffer_cut_clipboard (get_buffer (text_view),
6305 text_view->priv->editable);
6306 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6307 gtk_text_view_scroll_mark_onscreen (text_view,
6308 gtk_text_buffer_get_insert (get_buffer (text_view)));
6312 gtk_text_view_copy_clipboard (GtkTextView *text_view)
6314 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6315 GDK_SELECTION_CLIPBOARD);
6317 gtk_text_buffer_copy_clipboard (get_buffer (text_view),
6320 /* on copy do not scroll, we are already onscreen */
6324 gtk_text_view_paste_clipboard (GtkTextView *text_view)
6326 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6327 GDK_SELECTION_CLIPBOARD);
6329 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
6332 text_view->priv->editable);
6336 gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
6337 GtkClipboard *clipboard,
6340 GtkTextView *text_view = data;
6341 GtkTextViewPrivate *priv;
6343 priv = text_view->priv;
6345 if (priv->scroll_after_paste)
6347 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6348 gtk_text_view_scroll_mark_onscreen (text_view, gtk_text_buffer_get_insert (buffer));
6351 priv->scroll_after_paste = TRUE;
6355 gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
6358 GtkTextView *text_view = data;
6359 gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_NONE);
6363 gtk_text_view_toggle_overwrite (GtkTextView *text_view)
6365 GtkTextViewPrivate *priv = text_view->priv;
6367 if (priv->text_window)
6368 text_window_invalidate_cursors (priv->text_window);
6370 priv->overwrite_mode = !priv->overwrite_mode;
6373 gtk_text_layout_set_overwrite_mode (priv->layout,
6374 priv->overwrite_mode && priv->editable);
6376 if (priv->text_window)
6377 text_window_invalidate_cursors (priv->text_window);
6379 gtk_text_view_pend_cursor_blink (text_view);
6381 g_object_notify (G_OBJECT (text_view), "overwrite");
6385 * gtk_text_view_get_overwrite:
6386 * @text_view: a #GtkTextView
6388 * Returns whether the #GtkTextView is in overwrite mode or not.
6390 * Return value: whether @text_view is in overwrite mode or not.
6395 gtk_text_view_get_overwrite (GtkTextView *text_view)
6397 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
6399 return text_view->priv->overwrite_mode;
6403 * gtk_text_view_set_overwrite:
6404 * @text_view: a #GtkTextView
6405 * @overwrite: %TRUE to turn on overwrite mode, %FALSE to turn it off
6407 * Changes the #GtkTextView overwrite mode.
6412 gtk_text_view_set_overwrite (GtkTextView *text_view,
6415 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
6416 overwrite = overwrite != FALSE;
6418 if (text_view->priv->overwrite_mode != overwrite)
6419 gtk_text_view_toggle_overwrite (text_view);
6423 * gtk_text_view_set_accepts_tab:
6424 * @text_view: A #GtkTextView
6425 * @accepts_tab: %TRUE if pressing the Tab key should insert a tab
6426 * character, %FALSE, if pressing the Tab key should move the
6429 * Sets the behavior of the text widget when the Tab key is pressed.
6430 * If @accepts_tab is %TRUE, a tab character is inserted. If @accepts_tab
6431 * is %FALSE the keyboard focus is moved to the next widget in the focus
6437 gtk_text_view_set_accepts_tab (GtkTextView *text_view,
6438 gboolean accepts_tab)
6440 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
6442 accepts_tab = accepts_tab != FALSE;
6444 if (text_view->priv->accepts_tab != accepts_tab)
6446 text_view->priv->accepts_tab = accepts_tab;
6448 g_object_notify (G_OBJECT (text_view), "accepts-tab");
6453 * gtk_text_view_get_accepts_tab:
6454 * @text_view: A #GtkTextView
6456 * Returns whether pressing the Tab key inserts a tab characters.
6457 * gtk_text_view_set_accepts_tab().
6459 * Return value: %TRUE if pressing the Tab key inserts a tab character,
6460 * %FALSE if pressing the Tab key moves the keyboard focus.
6465 gtk_text_view_get_accepts_tab (GtkTextView *text_view)
6467 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
6469 return text_view->priv->accepts_tab;
6477 gtk_text_view_unselect (GtkTextView *text_view)
6481 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
6482 gtk_text_buffer_get_insert (get_buffer (text_view)));
6484 gtk_text_buffer_move_mark (get_buffer (text_view),
6485 gtk_text_buffer_get_selection_bound (get_buffer (text_view)),
6490 get_iter_at_pointer (GtkTextView *text_view,
6496 GtkTextViewPrivate *priv;
6497 gint xcoord, ycoord;
6498 GdkModifierType state;
6500 priv = text_view->priv;
6502 gdk_window_get_device_position (priv->text_window->bin_window,
6503 device, &xcoord, &ycoord, &state);
6505 gtk_text_layout_get_iter_at_pixel (priv->layout,
6507 xcoord + priv->xoffset,
6508 ycoord + priv->yoffset);
6517 move_mark_to_pointer_and_scroll (GtkTextView *text_view,
6518 const gchar *mark_name,
6520 GdkInputSource source)
6522 GtkTextIter newplace;
6523 GtkTextBuffer *buffer;
6526 buffer = get_buffer (text_view);
6527 get_iter_at_pointer (text_view, device, &newplace, NULL, NULL);
6529 mark = gtk_text_buffer_get_mark (buffer, mark_name);
6531 /* This may invalidate the layout */
6532 DV(g_print (G_STRLOC": move mark\n"));
6534 gtk_text_buffer_move_mark (buffer, mark, &newplace);
6536 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6537 gtk_text_view_scroll_mark_onscreen (text_view, mark);
6539 DV (g_print ("first validate idle leaving %s is %d\n",
6540 G_STRLOC, text_view->priv->first_validate_idle));
6544 selection_scan_timeout (gpointer data)
6546 GtkTextView *text_view;
6548 text_view = GTK_TEXT_VIEW (data);
6550 gtk_text_view_scroll_mark_onscreen (text_view,
6551 gtk_text_buffer_get_insert (get_buffer (text_view)));
6553 return TRUE; /* remain installed. */
6556 #define UPPER_OFFSET_ANCHOR 0.8
6557 #define LOWER_OFFSET_ANCHOR 0.2
6560 check_scroll (gdouble offset, GtkAdjustment *adjustment)
6562 if ((offset > UPPER_OFFSET_ANCHOR &&
6563 gtk_adjustment_get_value (adjustment) + gtk_adjustment_get_page_size (adjustment) < gtk_adjustment_get_upper (adjustment)) ||
6564 (offset < LOWER_OFFSET_ANCHOR &&
6565 gtk_adjustment_get_value (adjustment) > gtk_adjustment_get_lower (adjustment)))
6572 drag_scan_timeout (gpointer data)
6574 GtkTextView *text_view;
6575 GtkTextViewPrivate *priv;
6576 GtkTextIter newplace;
6578 gdouble pointer_xoffset, pointer_yoffset;
6580 text_view = GTK_TEXT_VIEW (data);
6581 priv = text_view->priv;
6583 get_iter_at_pointer (text_view, priv->dnd_device, &newplace, &x, &y);
6585 gtk_text_buffer_move_mark (get_buffer (text_view),
6589 pointer_xoffset = (gdouble) x / gdk_window_get_width (priv->text_window->bin_window);
6590 pointer_yoffset = (gdouble) y / gdk_window_get_height (priv->text_window->bin_window);
6592 if (check_scroll (pointer_xoffset, priv->hadjustment) ||
6593 check_scroll (pointer_yoffset, priv->vadjustment))
6595 /* do not make offsets surpass lower nor upper anchors, this makes
6596 * scrolling speed relative to the distance of the pointer to the
6597 * anchors when it moves beyond them.
6599 pointer_xoffset = CLAMP (pointer_xoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
6600 pointer_yoffset = CLAMP (pointer_yoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
6602 gtk_text_view_scroll_to_mark (text_view,
6604 0., TRUE, pointer_xoffset, pointer_yoffset);
6615 } SelectionGranularity;
6618 * Move @start and @end to the boundaries of the selection unit (indicated by
6619 * @granularity) which contained @start initially.
6620 * If the selction unit is SELECT_WORDS and @start is not contained in a word
6621 * the selection is extended to all the white spaces between the end of the
6622 * word preceding @start and the start of the one following.
6625 extend_selection (GtkTextView *text_view,
6626 SelectionGranularity granularity,
6632 if (granularity == SELECT_WORDS)
6634 if (gtk_text_iter_inside_word (start))
6636 if (!gtk_text_iter_starts_word (start))
6637 gtk_text_iter_backward_visible_word_start (start);
6639 if (!gtk_text_iter_ends_word (end))
6641 if (!gtk_text_iter_forward_visible_word_end (end))
6642 gtk_text_iter_forward_to_end (end);
6650 if (gtk_text_iter_backward_visible_word_start (&tmp))
6651 gtk_text_iter_forward_visible_word_end (&tmp);
6653 if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (start))
6656 gtk_text_iter_set_line_offset (start, 0);
6659 if (!gtk_text_iter_forward_visible_word_end (&tmp))
6660 gtk_text_iter_forward_to_end (&tmp);
6662 if (gtk_text_iter_ends_word (&tmp))
6663 gtk_text_iter_backward_visible_word_start (&tmp);
6665 if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (end))
6668 gtk_text_iter_forward_to_line_end (end);
6671 else if (granularity == SELECT_LINES)
6673 if (gtk_text_view_starts_display_line (text_view, start))
6675 /* If on a display line boundary, we assume the user
6676 * clicked off the end of a line and we therefore select
6677 * the line before the boundary.
6679 gtk_text_view_backward_display_line_start (text_view, start);
6683 /* start isn't on the start of a line, so we move it to the
6684 * start, and move end to the end unless it's already there.
6686 gtk_text_view_backward_display_line_start (text_view, start);
6688 if (!gtk_text_view_starts_display_line (text_view, end))
6689 gtk_text_view_forward_display_line_end (text_view, end);
6697 SelectionGranularity granularity;
6698 GtkTextMark *orig_start;
6699 GtkTextMark *orig_end;
6703 selection_data_free (SelectionData *data)
6705 if (data->orig_start != NULL)
6706 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_start),
6708 if (data->orig_end != NULL)
6709 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_end),
6715 selection_motion_event_handler (GtkTextView *text_view,
6716 GdkEventMotion *event,
6717 SelectionData *data)
6719 GtkTextViewPrivate *priv;
6720 GdkInputSource input_source;
6723 priv = text_view->priv;
6724 gdk_event_request_motions (event);
6726 device = gdk_event_get_source_device ((GdkEvent *) event);
6727 input_source = gdk_device_get_source (device);
6729 if (priv->grab_device != event->device)
6732 if (data->granularity == SELECT_CHARACTERS)
6734 move_mark_to_pointer_and_scroll (text_view, "insert",
6735 event->device, input_source);
6739 GtkTextIter cursor, start, end;
6740 GtkTextIter orig_start, orig_end;
6741 GtkTextBuffer *buffer;
6743 buffer = get_buffer (text_view);
6745 gtk_text_buffer_get_iter_at_mark (buffer, &orig_start, data->orig_start);
6746 gtk_text_buffer_get_iter_at_mark (buffer, &orig_end, data->orig_end);
6748 get_iter_at_pointer (text_view, event->device, &cursor, NULL, NULL);
6751 extend_selection (text_view, data->granularity, &start, &end);
6753 /* either the selection extends to the front, or end (or not) */
6754 if (gtk_text_iter_compare (&cursor, &orig_start) < 0)
6755 gtk_text_buffer_select_range (buffer, &start, &orig_end);
6757 gtk_text_buffer_select_range (buffer, &end, &orig_start);
6759 gtk_text_view_scroll_mark_onscreen (text_view,
6760 gtk_text_buffer_get_insert (buffer));
6763 /* If we had to scroll offscreen, insert a timeout to do so
6764 * again. Note that in the timeout, even if the mouse doesn't
6765 * move, due to this scroll xoffset/yoffset will have changed
6766 * and we'll need to scroll again.
6768 if (text_view->priv->scroll_timeout != 0) /* reset on every motion event */
6769 g_source_remove (text_view->priv->scroll_timeout);
6771 text_view->priv->scroll_timeout =
6772 gdk_threads_add_timeout (50, selection_scan_timeout, text_view);
6774 if (test_touchscreen || input_source == GDK_SOURCE_TOUCHSCREEN)
6775 gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
6781 gtk_text_view_start_selection_drag (GtkTextView *text_view,
6782 const GtkTextIter *iter,
6783 GdkEventButton *button)
6785 GtkTextViewPrivate *priv;
6786 GtkTextIter cursor, ins, bound;
6787 GtkTextIter orig_start, orig_end;
6788 GtkTextBuffer *buffer;
6789 SelectionData *data;
6791 if (text_view->priv->selection_drag_handler != 0)
6794 priv = text_view->priv;
6795 data = g_new0 (SelectionData, 1);
6797 if (button->type == GDK_2BUTTON_PRESS)
6798 data->granularity = SELECT_WORDS;
6799 else if (button->type == GDK_3BUTTON_PRESS)
6800 data->granularity = SELECT_LINES;
6802 data->granularity = SELECT_CHARACTERS;
6804 priv->grab_device = button->device;
6805 gtk_device_grab_add (GTK_WIDGET (text_view),
6809 buffer = get_buffer (text_view);
6814 extend_selection (text_view, data->granularity, &ins, &bound);
6819 gtk_widget_get_modifier_mask (GTK_WIDGET (text_view),
6820 GDK_MODIFIER_INTENT_EXTEND_SELECTION))
6822 /* Extend selection */
6823 GtkTextIter old_ins, old_bound;
6824 GtkTextIter old_start, old_end;
6826 gtk_text_buffer_get_iter_at_mark (buffer, &old_ins, gtk_text_buffer_get_insert (buffer));
6827 gtk_text_buffer_get_iter_at_mark (buffer, &old_bound, gtk_text_buffer_get_selection_bound (buffer));
6828 old_start = old_ins;
6829 old_end = old_bound;
6830 gtk_text_iter_order (&old_start, &old_end);
6832 /* move the front cursor, if the mouse is in front of the selection. Should the
6833 * cursor however be inside the selection (this happens on tripple click) then we
6834 * move the side which was last moved (current insert mark) */
6835 if (gtk_text_iter_compare (&cursor, &old_start) <= 0 ||
6836 (gtk_text_iter_compare (&cursor, &old_end) < 0 &&
6837 gtk_text_iter_compare (&old_ins, &old_bound) <= 0))
6840 orig_start = old_end;
6852 gtk_text_buffer_select_range (buffer, &ins, &bound);
6854 gtk_text_iter_order (&orig_start, &orig_end);
6855 data->orig_start = gtk_text_buffer_create_mark (buffer, NULL,
6857 data->orig_end = gtk_text_buffer_create_mark (buffer, NULL,
6859 gtk_text_view_check_cursor_blink (text_view);
6861 text_view->priv->selection_drag_handler = g_signal_connect_data (text_view,
6862 "motion-notify-event",
6863 G_CALLBACK (selection_motion_event_handler),
6865 (GClosureNotify) selection_data_free, 0);
6868 /* returns whether we were really dragging */
6870 gtk_text_view_end_selection_drag (GtkTextView *text_view)
6872 GtkTextViewPrivate *priv;
6874 priv = text_view->priv;
6876 if (!priv->grab_device)
6879 if (priv->selection_drag_handler == 0)
6882 g_signal_handler_disconnect (text_view, priv->selection_drag_handler);
6883 priv->selection_drag_handler = 0;
6885 if (priv->scroll_timeout != 0)
6887 g_source_remove (priv->scroll_timeout);
6888 priv->scroll_timeout = 0;
6891 gtk_device_grab_remove (GTK_WIDGET (text_view),
6893 priv->grab_device = NULL;
6903 gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
6904 GtkTextAttributes *values)
6906 GtkStyleContext *context;
6907 GdkRGBA bg_color, fg_color;
6908 GtkStateFlags state;
6910 context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
6911 state = gtk_widget_get_state_flags (GTK_WIDGET (text_view));
6913 gtk_style_context_save (context);
6914 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
6916 gtk_style_context_get_background_color (context, state, &bg_color);
6917 gtk_style_context_get_color (context, state, &fg_color);
6919 values->appearance.bg_color.red = CLAMP (bg_color.red * 65535. + 0.5, 0, 65535);
6920 values->appearance.bg_color.green = CLAMP (bg_color.green * 65535. + 0.5, 0, 65535);
6921 values->appearance.bg_color.blue = CLAMP (bg_color.blue * 65535. + 0.5, 0, 65535);
6923 values->appearance.fg_color.red = CLAMP (fg_color.red * 65535. + 0.5, 0, 65535);
6924 values->appearance.fg_color.green = CLAMP (fg_color.green * 65535. + 0.5, 0, 65535);
6925 values->appearance.fg_color.blue = CLAMP (fg_color.blue * 65535. + 0.5, 0, 65535);
6928 pango_font_description_free (values->font);
6930 gtk_style_context_get (context, state, "font", &values->font, NULL);
6932 gtk_style_context_restore (context);
6936 gtk_text_view_check_keymap_direction (GtkTextView *text_view)
6938 GtkTextViewPrivate *priv = text_view->priv;
6942 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
6943 GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)));
6944 GtkTextDirection new_cursor_dir;
6945 GtkTextDirection new_keyboard_dir;
6946 gboolean split_cursor;
6948 g_object_get (settings,
6949 "gtk-split-cursor", &split_cursor,
6952 if (gdk_keymap_get_direction (keymap) == PANGO_DIRECTION_RTL)
6953 new_keyboard_dir = GTK_TEXT_DIR_RTL;
6955 new_keyboard_dir = GTK_TEXT_DIR_LTR;
6958 new_cursor_dir = GTK_TEXT_DIR_NONE;
6960 new_cursor_dir = new_keyboard_dir;
6962 gtk_text_layout_set_cursor_direction (priv->layout, new_cursor_dir);
6963 gtk_text_layout_set_keyboard_direction (priv->layout, new_keyboard_dir);
6968 gtk_text_view_ensure_layout (GtkTextView *text_view)
6971 GtkTextViewPrivate *priv;
6973 widget = GTK_WIDGET (text_view);
6974 priv = text_view->priv;
6976 if (priv->layout == NULL)
6978 GtkTextAttributes *style;
6979 PangoContext *ltr_context, *rtl_context;
6982 DV(g_print(G_STRLOC"\n"));
6984 priv->layout = gtk_text_layout_new ();
6986 g_signal_connect (priv->layout,
6988 G_CALLBACK (invalidated_handler),
6991 g_signal_connect (priv->layout,
6993 G_CALLBACK (changed_handler),
6996 g_signal_connect (priv->layout,
6998 G_CALLBACK (gtk_text_view_child_allocated),
7001 if (get_buffer (text_view))
7002 gtk_text_layout_set_buffer (priv->layout, get_buffer (text_view));
7004 if ((gtk_widget_has_focus (widget) && priv->cursor_visible))
7005 gtk_text_view_pend_cursor_blink (text_view);
7007 gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
7009 gtk_text_layout_set_overwrite_mode (priv->layout,
7010 priv->overwrite_mode && priv->editable);
7012 ltr_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
7013 pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
7014 rtl_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
7015 pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
7017 gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
7019 g_object_unref (ltr_context);
7020 g_object_unref (rtl_context);
7022 gtk_text_view_check_keymap_direction (text_view);
7024 style = gtk_text_attributes_new ();
7026 gtk_text_view_set_attributes_from_style (text_view, style);
7028 style->pixels_above_lines = priv->pixels_above_lines;
7029 style->pixels_below_lines = priv->pixels_below_lines;
7030 style->pixels_inside_wrap = priv->pixels_inside_wrap;
7031 style->left_margin = priv->left_margin;
7032 style->right_margin = priv->right_margin;
7033 style->indent = priv->indent;
7034 style->tabs = priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
7036 style->wrap_mode = priv->wrap_mode;
7037 style->justification = priv->justify;
7038 style->direction = gtk_widget_get_direction (GTK_WIDGET (text_view));
7040 gtk_text_layout_set_default_style (priv->layout, style);
7042 gtk_text_attributes_unref (style);
7044 /* Set layout for all anchored children */
7046 tmp_list = priv->children;
7047 while (tmp_list != NULL)
7049 GtkTextViewChild *vc = tmp_list->data;
7053 gtk_text_anchored_child_set_layout (vc->widget,
7055 /* vc may now be invalid! */
7058 tmp_list = g_slist_next (tmp_list);
7064 * gtk_text_view_get_default_attributes:
7065 * @text_view: a #GtkTextView
7067 * Obtains a copy of the default text attributes. These are the
7068 * attributes used for text unless a tag overrides them.
7069 * You'd typically pass the default attributes in to
7070 * gtk_text_iter_get_attributes() in order to get the
7071 * attributes in effect at a given text position.
7073 * The return value is a copy owned by the caller of this function,
7074 * and should be freed.
7076 * Return value: a new #GtkTextAttributes
7079 gtk_text_view_get_default_attributes (GtkTextView *text_view)
7081 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7083 gtk_text_view_ensure_layout (text_view);
7085 return gtk_text_attributes_copy (text_view->priv->layout->default_style);
7089 gtk_text_view_destroy_layout (GtkTextView *text_view)
7091 GtkTextViewPrivate *priv = text_view->priv;
7097 gtk_text_view_remove_validate_idles (text_view);
7099 g_signal_handlers_disconnect_by_func (priv->layout,
7100 invalidated_handler,
7102 g_signal_handlers_disconnect_by_func (priv->layout,
7106 /* Remove layout from all anchored children */
7107 tmp_list = priv->children;
7108 while (tmp_list != NULL)
7110 GtkTextViewChild *vc = tmp_list->data;
7114 gtk_text_anchored_child_set_layout (vc->widget, NULL);
7115 /* vc may now be invalid! */
7118 tmp_list = g_slist_next (tmp_list);
7121 gtk_text_view_stop_cursor_blink (text_view);
7122 gtk_text_view_end_selection_drag (text_view);
7124 g_object_unref (priv->layout);
7125 priv->layout = NULL;
7130 * gtk_text_view_reset_im_context:
7131 * @text_view: a #GtkTextView
7133 * Reset the input method context of the text view if needed.
7135 * This can be necessary in the case where modifying the buffer
7136 * would confuse on-going input method behavior.
7141 gtk_text_view_reset_im_context (GtkTextView *text_view)
7143 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7145 if (text_view->priv->need_im_reset)
7147 text_view->priv->need_im_reset = FALSE;
7148 gtk_im_context_reset (text_view->priv->im_context);
7153 * gtk_text_view_im_context_filter_keypress:
7154 * @text_view: a #GtkTextView
7155 * @event: the key event
7157 * Allow the #GtkTextView input method to internally handle key press
7158 * and release events. If this function returns %TRUE, then no further
7159 * processing should be done for this key event. See
7160 * gtk_im_context_filter_keypress().
7162 * Note that you are expected to call this function from your handler
7163 * when overriding key event handling. This is needed in the case when
7164 * you need to insert your own key handling between the input method
7165 * and the default key event handling of the #GtkTextView.
7169 * gtk_foo_bar_key_press_event (GtkWidget *widget,
7170 * GdkEventKey *event)
7172 * if ((key->keyval == GDK_KEY_Return || key->keyval == GDK_KEY_KP_Enter))
7174 * if (gtk_text_view_im_context_filter_keypress (GTK_TEXT_VIEW (view), event))
7178 * /* Do some stuff */
7180 * return GTK_WIDGET_CLASS (gtk_foo_bar_parent_class)->key_press_event (widget, event);
7184 * Return value: %TRUE if the input method handled the key event.
7189 gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
7192 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
7194 return gtk_im_context_filter_keypress (text_view->priv->im_context, event);
7202 drag_begin_cb (GtkWidget *widget,
7203 GdkDragContext *context,
7206 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
7207 GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
7210 cairo_surface_t *surface = NULL;
7212 g_signal_handlers_disconnect_by_func (widget, drag_begin_cb, NULL);
7214 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7215 surface = _gtk_text_util_create_rich_drag_icon (widget, buffer, &start, &end);
7219 gtk_drag_set_icon_surface (context, surface);
7220 cairo_surface_destroy (surface);
7224 gtk_drag_set_icon_default (context);
7229 gtk_text_view_start_selection_dnd (GtkTextView *text_view,
7230 const GtkTextIter *iter,
7231 GdkEventMotion *event)
7233 GtkTargetList *target_list;
7235 text_view->priv->drag_start_x = -1;
7236 text_view->priv->drag_start_y = -1;
7237 text_view->priv->pending_place_cursor_button = 0;
7239 target_list = gtk_text_buffer_get_copy_target_list (get_buffer (text_view));
7241 g_signal_connect (text_view, "drag-begin",
7242 G_CALLBACK (drag_begin_cb), NULL);
7243 gtk_drag_begin (GTK_WIDGET (text_view), target_list,
7244 GDK_ACTION_COPY | GDK_ACTION_MOVE,
7245 1, (GdkEvent*)event);
7249 gtk_text_view_drag_begin (GtkWidget *widget,
7250 GdkDragContext *context)
7256 gtk_text_view_drag_end (GtkWidget *widget,
7257 GdkDragContext *context)
7262 gtk_text_view_drag_data_get (GtkWidget *widget,
7263 GdkDragContext *context,
7264 GtkSelectionData *selection_data,
7268 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
7269 GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
7271 if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
7273 gtk_selection_data_set (selection_data,
7274 gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
7279 else if (info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
7286 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7288 /* Extract the selected text */
7289 str = gtk_text_buffer_serialize (buffer, buffer,
7290 gtk_selection_data_get_target (selection_data),
7297 gtk_selection_data_set (selection_data,
7298 gtk_selection_data_get_target (selection_data),
7300 (guchar *) str, len);
7310 if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
7312 /* Extract the selected text */
7313 str = gtk_text_iter_get_visible_text (&start, &end);
7318 gtk_selection_data_set_text (selection_data, str, -1);
7325 gtk_text_view_drag_data_delete (GtkWidget *widget,
7326 GdkDragContext *context)
7328 gtk_text_buffer_delete_selection (GTK_TEXT_VIEW (widget)->priv->buffer,
7329 TRUE, GTK_TEXT_VIEW (widget)->priv->editable);
7333 gtk_text_view_drag_leave (GtkWidget *widget,
7334 GdkDragContext *context,
7337 GtkTextView *text_view;
7338 GtkTextViewPrivate *priv;
7340 text_view = GTK_TEXT_VIEW (widget);
7341 priv = text_view->priv;
7343 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7345 if (priv->dnd_device)
7346 priv->dnd_device = NULL;
7348 if (priv->scroll_timeout != 0)
7349 g_source_remove (priv->scroll_timeout);
7351 priv->scroll_timeout = 0;
7355 gtk_text_view_drag_motion (GtkWidget *widget,
7356 GdkDragContext *context,
7361 GtkTextIter newplace;
7362 GtkTextView *text_view;
7363 GtkTextViewPrivate *priv;
7366 GdkRectangle target_rect;
7369 GdkDragAction suggested_action = 0;
7371 text_view = GTK_TEXT_VIEW (widget);
7372 priv = text_view->priv;
7374 target_rect = priv->text_window->allocation;
7376 if (x < target_rect.x ||
7377 y < target_rect.y ||
7378 x > (target_rect.x + target_rect.width) ||
7379 y > (target_rect.y + target_rect.height))
7380 return FALSE; /* outside the text window, allow parent widgets to handle event */
7382 gtk_text_view_window_to_buffer_coords (text_view,
7383 GTK_TEXT_WINDOW_WIDGET,
7387 gtk_text_layout_get_iter_at_pixel (priv->layout,
7391 target = gtk_drag_dest_find_target (widget, context,
7392 gtk_drag_dest_get_target_list (widget));
7394 if (target == GDK_NONE)
7396 /* can't accept any of the offered targets */
7398 else if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
7400 gtk_text_iter_compare (&newplace, &start) >= 0 &&
7401 gtk_text_iter_compare (&newplace, &end) <= 0)
7403 /* We're inside the selection. */
7407 if (gtk_text_iter_can_insert (&newplace, priv->editable))
7409 GtkWidget *source_widget;
7411 suggested_action = gdk_drag_context_get_suggested_action (context);
7413 source_widget = gtk_drag_get_source_widget (context);
7415 if (source_widget == widget)
7417 /* Default to MOVE, unless the user has
7418 * pressed ctrl or alt to affect available actions
7420 if ((gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE) != 0)
7421 suggested_action = GDK_ACTION_MOVE;
7426 /* Can't drop here. */
7430 if (suggested_action != 0)
7432 gtk_text_mark_set_visible (priv->dnd_mark,
7433 priv->cursor_visible);
7435 gdk_drag_status (context, suggested_action, time);
7439 gdk_drag_status (context, 0, time);
7440 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7443 priv->dnd_device = gdk_drag_context_get_device (context);
7445 if (!priv->scroll_timeout)
7446 priv->scroll_timeout =
7447 gdk_threads_add_timeout (100, drag_scan_timeout, text_view);
7449 /* TRUE return means don't propagate the drag motion to parent
7450 * widgets that may also be drop sites.
7456 gtk_text_view_drag_drop (GtkWidget *widget,
7457 GdkDragContext *context,
7462 GtkTextView *text_view;
7463 GtkTextViewPrivate *priv;
7464 GtkTextIter drop_point;
7465 GdkAtom target = GDK_NONE;
7467 text_view = GTK_TEXT_VIEW (widget);
7468 priv = text_view->priv;
7470 if (priv->scroll_timeout != 0)
7471 g_source_remove (priv->scroll_timeout);
7473 priv->scroll_timeout = 0;
7475 gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
7477 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
7481 if (gtk_text_iter_can_insert (&drop_point, priv->editable))
7482 target = gtk_drag_dest_find_target (widget, context, NULL);
7484 if (target != GDK_NONE)
7485 gtk_drag_get_data (widget, context, target, time);
7487 gtk_drag_finish (context, FALSE, FALSE, time);
7493 insert_text_data (GtkTextView *text_view,
7494 GtkTextIter *drop_point,
7495 GtkSelectionData *selection_data)
7499 str = gtk_selection_data_get_text (selection_data);
7503 if (!gtk_text_buffer_insert_interactive (get_buffer (text_view),
7504 drop_point, (gchar *) str, -1,
7505 text_view->priv->editable))
7507 gtk_widget_error_bell (GTK_WIDGET (text_view));
7515 gtk_text_view_drag_data_received (GtkWidget *widget,
7516 GdkDragContext *context,
7519 GtkSelectionData *selection_data,
7523 GtkTextIter drop_point;
7524 GtkTextView *text_view;
7525 GtkTextViewPrivate *priv;
7526 gboolean success = FALSE;
7527 GtkTextBuffer *buffer = NULL;
7529 text_view = GTK_TEXT_VIEW (widget);
7530 priv = text_view->priv;
7532 if (!priv->dnd_mark)
7535 buffer = get_buffer (text_view);
7537 gtk_text_buffer_get_iter_at_mark (buffer,
7541 if (!gtk_text_iter_can_insert (&drop_point, priv->editable))
7546 gtk_text_buffer_begin_user_action (buffer);
7548 if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
7550 GtkTextBuffer *src_buffer = NULL;
7551 GtkTextIter start, end;
7552 gboolean copy_tags = TRUE;
7554 if (gtk_selection_data_get_length (selection_data) != sizeof (src_buffer))
7557 memcpy (&src_buffer, gtk_selection_data_get_data (selection_data), sizeof (src_buffer));
7559 if (src_buffer == NULL)
7562 g_return_if_fail (GTK_IS_TEXT_BUFFER (src_buffer));
7564 if (gtk_text_buffer_get_tag_table (src_buffer) !=
7565 gtk_text_buffer_get_tag_table (buffer))
7567 /* try to find a suitable rich text target instead */
7571 GdkAtom target = GDK_NONE;
7575 atoms = gtk_text_buffer_get_deserialize_formats (buffer, &n_atoms);
7577 for (list = gdk_drag_context_list_targets (context); list; list = g_list_next (list))
7581 for (i = 0; i < n_atoms; i++)
7582 if (GUINT_TO_POINTER (atoms[i]) == list->data)
7591 if (target != GDK_NONE)
7593 gtk_drag_get_data (widget, context, target, time);
7594 gtk_text_buffer_end_user_action (buffer);
7599 if (gtk_text_buffer_get_selection_bounds (src_buffer,
7604 gtk_text_buffer_insert_range_interactive (buffer,
7613 str = gtk_text_iter_get_visible_text (&start, &end);
7614 gtk_text_buffer_insert_interactive (buffer,
7615 &drop_point, str, -1,
7621 else if (gtk_selection_data_get_length (selection_data) > 0 &&
7622 info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
7625 GError *error = NULL;
7627 retval = gtk_text_buffer_deserialize (buffer, buffer,
7628 gtk_selection_data_get_target (selection_data),
7630 (guint8 *) gtk_selection_data_get_data (selection_data),
7631 gtk_selection_data_get_length (selection_data),
7636 g_warning ("error pasting: %s\n", error->message);
7637 g_clear_error (&error);
7641 insert_text_data (text_view, &drop_point, selection_data);
7644 gtk_drag_finish (context, success,
7645 success && gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE,
7650 gtk_text_buffer_get_iter_at_mark (buffer,
7653 gtk_text_buffer_place_cursor (buffer, &drop_point);
7655 gtk_text_buffer_end_user_action (buffer);
7660 * gtk_text_view_get_hadjustment:
7661 * @text_view: a #GtkTextView
7663 * Gets the horizontal-scrolling #GtkAdjustment.
7665 * Returns: (transfer none): pointer to the horizontal #GtkAdjustment
7669 * Deprecated: 3.0: Use gtk_scrollable_get_hadjustment()
7672 gtk_text_view_get_hadjustment (GtkTextView *text_view)
7674 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7676 return text_view->priv->hadjustment;
7680 gtk_text_view_set_hadjustment (GtkTextView *text_view,
7681 GtkAdjustment *adjustment)
7683 GtkTextViewPrivate *priv = text_view->priv;
7685 if (adjustment && priv->hadjustment == adjustment)
7688 if (priv->hadjustment != NULL)
7690 g_signal_handlers_disconnect_by_func (priv->hadjustment,
7691 gtk_text_view_value_changed,
7693 g_object_unref (priv->hadjustment);
7696 if (adjustment == NULL)
7697 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
7699 g_signal_connect (adjustment, "value-changed",
7700 G_CALLBACK (gtk_text_view_value_changed), text_view);
7701 priv->hadjustment = g_object_ref_sink (adjustment);
7702 gtk_text_view_set_hadjustment_values (text_view);
7704 g_object_notify (G_OBJECT (text_view), "hadjustment");
7708 * gtk_text_view_get_vadjustment:
7709 * @text_view: a #GtkTextView
7711 * Gets the vertical-scrolling #GtkAdjustment.
7713 * Returns: (transfer none): pointer to the vertical #GtkAdjustment
7717 * Deprecated: 3.0: Use gtk_scrollable_get_vadjustment()
7720 gtk_text_view_get_vadjustment (GtkTextView *text_view)
7722 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7724 return text_view->priv->vadjustment;
7728 gtk_text_view_set_vadjustment (GtkTextView *text_view,
7729 GtkAdjustment *adjustment)
7731 GtkTextViewPrivate *priv = text_view->priv;
7733 if (adjustment && priv->vadjustment == adjustment)
7736 if (priv->vadjustment != NULL)
7738 g_signal_handlers_disconnect_by_func (priv->vadjustment,
7739 gtk_text_view_value_changed,
7741 g_object_unref (priv->vadjustment);
7744 if (adjustment == NULL)
7745 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
7747 g_signal_connect (adjustment, "value-changed",
7748 G_CALLBACK (gtk_text_view_value_changed), text_view);
7749 priv->vadjustment = g_object_ref_sink (adjustment);
7750 gtk_text_view_set_vadjustment_values (text_view);
7752 g_object_notify (G_OBJECT (text_view), "vadjustment");
7756 gtk_text_view_set_hadjustment_values (GtkTextView *text_view)
7758 GtkTextViewPrivate *priv;
7764 priv = text_view->priv;
7766 screen_width = SCREEN_WIDTH (text_view);
7767 old_value = gtk_adjustment_get_value (priv->hadjustment);
7768 new_upper = MAX (screen_width, priv->width);
7770 g_object_set (priv->hadjustment,
7773 "page-size", (gdouble)screen_width,
7774 "step-increment", screen_width * 0.1,
7775 "page-increment", screen_width * 0.9,
7778 new_value = CLAMP (old_value, 0, new_upper - screen_width);
7779 if (new_value != old_value)
7780 gtk_adjustment_set_value (priv->hadjustment, new_value);
7784 gtk_text_view_set_vadjustment_values (GtkTextView *text_view)
7786 GtkTextViewPrivate *priv;
7787 GtkTextIter first_para;
7794 priv = text_view->priv;
7796 screen_height = SCREEN_HEIGHT (text_view);
7797 old_value = gtk_adjustment_get_value (priv->vadjustment);
7798 new_upper = MAX (screen_height, priv->height);
7800 g_object_set (priv->vadjustment,
7803 "page-size", (gdouble)screen_height,
7804 "step-increment", screen_height * 0.1,
7805 "page-increment", screen_height * 0.9,
7808 /* Now adjust the value of the adjustment to keep the cursor at the
7809 * same place in the buffer */
7810 gtk_text_view_ensure_layout (text_view);
7811 gtk_text_view_get_first_para_iter (text_view, &first_para);
7812 gtk_text_layout_get_line_yrange (priv->layout, &first_para, &y, NULL);
7814 y += priv->first_para_pixels;
7816 new_value = CLAMP (y, 0, new_upper - screen_height);
7817 if (new_value != old_value)
7818 gtk_adjustment_set_value (priv->vadjustment, new_value);
7822 /* FIXME this adjust_allocation is a big cut-and-paste from
7823 * GtkCList, needs to be some "official" way to do this
7833 /* The window to which widget->window is relative */
7834 #define ALLOCATION_WINDOW(widget) \
7835 (!gtk_widget_get_has_window (widget) ? \
7836 gtk_widget_get_window (widget) : \
7837 gdk_window_get_parent (gtk_widget_get_window (widget)))
7840 adjust_allocation_recurse (GtkWidget *widget,
7843 GtkAllocation allocation;
7844 ScrollData *scroll_data = data;
7846 /* Need to really size allocate instead of just poking
7847 * into widget->allocation if the widget is not realized.
7848 * FIXME someone figure out why this was.
7850 gtk_widget_get_allocation (widget, &allocation);
7852 if (!gtk_widget_get_realized (widget))
7854 if (gtk_widget_get_visible (widget))
7856 GdkRectangle tmp_rectangle;
7858 tmp_rectangle = allocation;
7859 tmp_rectangle.x += scroll_data->dx;
7860 tmp_rectangle.y += scroll_data->dy;
7862 gtk_widget_size_allocate (widget, &tmp_rectangle);
7867 if (ALLOCATION_WINDOW (widget) == scroll_data->window)
7869 allocation.x += scroll_data->dx;
7870 allocation.y += scroll_data->dy;
7871 gtk_widget_set_allocation (widget, &allocation);
7873 if (GTK_IS_CONTAINER (widget))
7874 gtk_container_forall (GTK_CONTAINER (widget),
7875 adjust_allocation_recurse,
7882 adjust_allocation (GtkWidget *widget,
7886 ScrollData scroll_data;
7888 if (gtk_widget_get_realized (widget))
7889 scroll_data.window = ALLOCATION_WINDOW (widget);
7891 scroll_data.window = NULL;
7893 scroll_data.dx = dx;
7894 scroll_data.dy = dy;
7896 adjust_allocation_recurse (widget, &scroll_data);
7900 gtk_text_view_value_changed (GtkAdjustment *adjustment,
7901 GtkTextView *text_view)
7903 GtkTextViewPrivate *priv;
7909 priv = text_view->priv;
7911 /* Note that we oddly call this function with adjustment == NULL
7915 priv->onscreen_validated = FALSE;
7917 DV(g_print(">Scroll offset changed %s/%g, onscreen_validated = FALSE ("G_STRLOC")\n",
7918 adjustment == priv->hadjustment ? "hadjustment" : adjustment == priv->vadjustment ? "vadjustment" : "none",
7919 adjustment ? gtk_adjustment_get_value (adjustment) : 0.0));
7921 if (adjustment == priv->hadjustment)
7923 dx = priv->xoffset - (gint)gtk_adjustment_get_value (adjustment);
7924 priv->xoffset = gtk_adjustment_get_value (adjustment);
7926 /* If the change is due to a size change we need
7927 * to invalidate the entire text window because there might be
7928 * right-aligned or centered text
7930 if (priv->width_changed)
7932 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
7933 gdk_window_invalidate_rect (priv->text_window->bin_window, NULL, FALSE);
7935 priv->width_changed = FALSE;
7938 else if (adjustment == priv->vadjustment)
7940 dy = priv->yoffset - (gint)gtk_adjustment_get_value (adjustment);
7941 priv->yoffset = gtk_adjustment_get_value (adjustment);
7945 gtk_text_layout_get_line_at_y (priv->layout, &iter, gtk_adjustment_get_value (adjustment), &line_top);
7947 gtk_text_buffer_move_mark (get_buffer (text_view), priv->first_para_mark, &iter);
7949 priv->first_para_pixels = gtk_adjustment_get_value (adjustment) - line_top;
7953 if (dx != 0 || dy != 0)
7957 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
7961 if (priv->left_window)
7962 text_window_scroll (priv->left_window, 0, dy);
7963 if (priv->right_window)
7964 text_window_scroll (priv->right_window, 0, dy);
7969 if (priv->top_window)
7970 text_window_scroll (priv->top_window, dx, 0);
7971 if (priv->bottom_window)
7972 text_window_scroll (priv->bottom_window, dx, 0);
7975 /* It looks nicer to scroll the main area last, because
7976 * it takes a while, and making the side areas update
7977 * afterward emphasizes the slowness of scrolling the
7980 text_window_scroll (priv->text_window, dx, dy);
7983 /* Children are now "moved" in the text window, poke
7984 * into widget->allocation for each child
7986 tmp_list = priv->children;
7987 while (tmp_list != NULL)
7989 GtkTextViewChild *child = tmp_list->data;
7992 adjust_allocation (child->widget, dx, dy);
7994 tmp_list = g_slist_next (tmp_list);
7998 /* This could result in invalidation, which would install the
7999 * first_validate_idle, which would validate onscreen;
8000 * but we're going to go ahead and validate here, so
8001 * first_validate_idle shouldn't have anything to do.
8003 gtk_text_view_update_layout_width (text_view);
8005 /* We also update the IM spot location here, since the IM context
8006 * might do something that leads to validation.
8008 gtk_text_view_update_im_spot_location (text_view);
8010 /* note that validation of onscreen could invoke this function
8011 * recursively, by scrolling to maintain first_para, or in response
8012 * to updating the layout width, however there is no problem with
8013 * that, or shouldn't be.
8015 gtk_text_view_validate_onscreen (text_view);
8017 /* If this got installed, get rid of it, it's just a waste of time. */
8018 if (priv->first_validate_idle != 0)
8020 g_source_remove (priv->first_validate_idle);
8021 priv->first_validate_idle = 0;
8024 /* Finally we update the IM cursor location again, to ensure any
8025 * changes made by the validation are pushed through.
8027 gtk_text_view_update_im_spot_location (text_view);
8029 gtk_text_view_update_handles (text_view,
8030 _gtk_text_handle_get_mode (priv->text_handle));
8032 DV(g_print(">End scroll offset changed handler ("G_STRLOC")\n"));
8036 gtk_text_view_commit_handler (GtkIMContext *context,
8038 GtkTextView *text_view)
8040 gtk_text_view_commit_text (text_view, str);
8044 gtk_text_view_commit_text (GtkTextView *text_view,
8047 GtkTextViewPrivate *priv;
8048 gboolean had_selection;
8050 priv = text_view->priv;
8052 gtk_text_buffer_begin_user_action (get_buffer (text_view));
8054 had_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
8057 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
8060 if (!strcmp (str, "\n"))
8062 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), "\n", 1,
8065 gtk_widget_error_bell (GTK_WIDGET (text_view));
8070 if (!had_selection && priv->overwrite_mode)
8074 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8076 gtk_text_buffer_get_insert (get_buffer (text_view)));
8077 if (!gtk_text_iter_ends_line (&insert))
8078 gtk_text_view_delete_from_cursor (text_view, GTK_DELETE_CHARS, 1);
8081 if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
8084 gtk_widget_error_bell (GTK_WIDGET (text_view));
8088 gtk_text_buffer_end_user_action (get_buffer (text_view));
8090 gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
8091 DV(g_print (G_STRLOC": scrolling onscreen\n"));
8092 gtk_text_view_scroll_mark_onscreen (text_view,
8093 gtk_text_buffer_get_insert (get_buffer (text_view)));
8097 gtk_text_view_preedit_changed_handler (GtkIMContext *context,
8098 GtkTextView *text_view)
8100 GtkTextViewPrivate *priv;
8102 PangoAttrList *attrs;
8106 priv = text_view->priv;
8108 gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
8109 gtk_text_buffer_get_insert (priv->buffer));
8111 /* Keypress events are passed to input method even if cursor position is
8112 * not editable; so beep here if it's multi-key input sequence, input
8113 * method will be reset in key-press-event handler.
8115 gtk_im_context_get_preedit_string (context, &str, &attrs, &cursor_pos);
8117 if (str && str[0] && !gtk_text_iter_can_insert (&iter, priv->editable))
8119 gtk_widget_error_bell (GTK_WIDGET (text_view));
8123 g_signal_emit (text_view, signals[PREEDIT_CHANGED], 0, str);
8126 gtk_text_layout_set_preedit_string (priv->layout, str, attrs, cursor_pos);
8127 if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
8128 gtk_text_view_scroll_mark_onscreen (text_view,
8129 gtk_text_buffer_get_insert (get_buffer (text_view)));
8132 pango_attr_list_unref (attrs);
8137 gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
8138 GtkTextView *text_view)
8145 gtk_text_buffer_get_iter_at_mark (text_view->priv->buffer, &start,
8146 gtk_text_buffer_get_insert (text_view->priv->buffer));
8149 pos = gtk_text_iter_get_line_index (&start);
8150 gtk_text_iter_set_line_offset (&start, 0);
8151 gtk_text_iter_forward_to_line_end (&end);
8153 text = gtk_text_iter_get_slice (&start, &end);
8154 gtk_im_context_set_surrounding (context, text, -1, pos);
8161 gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
8164 GtkTextView *text_view)
8166 GtkTextViewPrivate *priv;
8170 priv = text_view->priv;
8172 gtk_text_buffer_get_iter_at_mark (priv->buffer, &start,
8173 gtk_text_buffer_get_insert (priv->buffer));
8176 gtk_text_iter_forward_chars (&start, offset);
8177 gtk_text_iter_forward_chars (&end, offset + n_chars);
8179 gtk_text_buffer_delete_interactive (priv->buffer, &start, &end,
8186 gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
8187 const GtkTextIter *location,
8191 GtkTextView *text_view = GTK_TEXT_VIEW (data);
8192 gboolean need_reset = FALSE;
8194 if (mark == gtk_text_buffer_get_insert (buffer))
8196 text_view->priv->virtual_cursor_x = -1;
8197 text_view->priv->virtual_cursor_y = -1;
8198 gtk_text_view_update_im_spot_location (text_view);
8201 else if (mark == gtk_text_buffer_get_selection_bound (buffer))
8208 gtk_text_view_reset_im_context (text_view);
8209 gtk_text_view_update_handles (text_view,
8210 _gtk_text_handle_get_mode (text_view->priv->text_handle));
8215 gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
8216 const GParamSpec *pspec,
8219 GtkWidget *widget = GTK_WIDGET (data);
8220 GtkTargetList *view_list;
8221 GtkTargetList *buffer_list;
8224 view_list = gtk_drag_dest_get_target_list (widget);
8225 buffer_list = gtk_text_buffer_get_paste_target_list (buffer);
8228 gtk_target_list_ref (view_list);
8230 view_list = gtk_target_list_new (NULL, 0);
8232 list = view_list->list;
8235 GtkTargetPair *pair = list->data;
8237 list = g_list_next (list); /* get next element before removing */
8239 if (pair->info >= GTK_TEXT_BUFFER_TARGET_INFO_TEXT &&
8240 pair->info <= GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
8242 gtk_target_list_remove (view_list, pair->target);
8246 for (list = buffer_list->list; list; list = g_list_next (list))
8248 GtkTargetPair *pair = list->data;
8250 gtk_target_list_add (view_list, pair->target, pair->flags, pair->info);
8253 gtk_drag_dest_set_target_list (widget, view_list);
8254 gtk_target_list_unref (view_list);
8258 gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
8259 GtkTextIter *cursor,
8263 GtkTextViewPrivate *priv;
8267 priv = text_view->priv;
8272 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
8273 gtk_text_buffer_get_insert (get_buffer (text_view)));
8275 if ((x && priv->virtual_cursor_x == -1) ||
8276 (y && priv->virtual_cursor_y == -1))
8277 gtk_text_layout_get_cursor_locations (priv->layout, &insert, &pos, NULL);
8281 if (priv->virtual_cursor_x != -1)
8282 *x = priv->virtual_cursor_x;
8289 if (priv->virtual_cursor_x != -1)
8290 *y = priv->virtual_cursor_y;
8292 *y = pos.y + pos.height / 2;
8297 gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
8303 if (!text_view->priv->layout)
8306 if (x == -1 || y == -1)
8307 gtk_text_view_get_cursor_locations (text_view, NULL, &pos, NULL);
8309 text_view->priv->virtual_cursor_x = (x == -1) ? pos.x : x;
8310 text_view->priv->virtual_cursor_y = (y == -1) ? pos.y + pos.height / 2 : y;
8313 /* Quick hack of a popup menu
8316 activate_cb (GtkWidget *menuitem,
8317 GtkTextView *text_view)
8319 const gchar *signal = g_object_get_data (G_OBJECT (menuitem), "gtk-signal");
8320 g_signal_emit_by_name (text_view, signal);
8324 append_action_signal (GtkTextView *text_view,
8326 const gchar *stock_id,
8327 const gchar *signal,
8330 GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
8332 g_object_set_data (G_OBJECT (menuitem), I_("gtk-signal"), (char *)signal);
8333 g_signal_connect (menuitem, "activate",
8334 G_CALLBACK (activate_cb), text_view);
8336 gtk_widget_set_sensitive (menuitem, sensitive);
8338 gtk_widget_show (menuitem);
8339 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
8343 gtk_text_view_select_all (GtkWidget *widget,
8346 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
8347 GtkTextBuffer *buffer;
8348 GtkTextIter start_iter, end_iter, insert;
8350 buffer = text_view->priv->buffer;
8353 gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
8354 gtk_text_buffer_select_range (buffer, &start_iter, &end_iter);
8358 gtk_text_buffer_get_iter_at_mark (buffer, &insert,
8359 gtk_text_buffer_get_insert (buffer));
8360 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &insert);
8365 select_all_cb (GtkWidget *menuitem,
8366 GtkTextView *text_view)
8368 gtk_text_view_select_all (GTK_WIDGET (text_view), TRUE);
8372 delete_cb (GtkTextView *text_view)
8374 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
8375 text_view->priv->editable);
8379 popup_menu_detach (GtkWidget *attach_widget,
8382 GTK_TEXT_VIEW (attach_widget)->priv->popup_menu = NULL;
8386 popup_position_func (GtkMenu *menu,
8392 GtkAllocation allocation;
8393 GtkTextView *text_view;
8395 GdkRectangle cursor_rect;
8396 GdkRectangle onscreen_rect;
8397 gint root_x, root_y;
8402 GdkRectangle monitor;
8404 text_view = GTK_TEXT_VIEW (user_data);
8405 widget = GTK_WIDGET (text_view);
8407 g_return_if_fail (gtk_widget_get_realized (widget));
8409 screen = gtk_widget_get_screen (widget);
8411 gdk_window_get_origin (gtk_widget_get_window (widget),
8414 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8416 gtk_text_buffer_get_insert (get_buffer (text_view)));
8418 gtk_text_view_get_iter_location (text_view,
8422 gtk_text_view_get_visible_rect (text_view, &onscreen_rect);
8424 gtk_widget_get_preferred_size (text_view->priv->popup_menu,
8427 gtk_widget_get_allocation (widget, &allocation);
8429 /* can't use rectangle_intersect since cursor rect can have 0 width */
8430 if (cursor_rect.x >= onscreen_rect.x &&
8431 cursor_rect.x < onscreen_rect.x + onscreen_rect.width &&
8432 cursor_rect.y >= onscreen_rect.y &&
8433 cursor_rect.y < onscreen_rect.y + onscreen_rect.height)
8435 gtk_text_view_buffer_to_window_coords (text_view,
8436 GTK_TEXT_WINDOW_WIDGET,
8437 cursor_rect.x, cursor_rect.y,
8438 &cursor_rect.x, &cursor_rect.y);
8440 *x = root_x + cursor_rect.x + cursor_rect.width;
8441 *y = root_y + cursor_rect.y + cursor_rect.height;
8445 /* Just center the menu, since cursor is offscreen. */
8446 *x = root_x + (allocation.width / 2 - req.width / 2);
8447 *y = root_y + (allocation.height / 2 - req.height / 2);
8451 *x = CLAMP (*x, root_x, (root_x + allocation.width));
8452 *y = CLAMP (*y, root_y, (root_y + allocation.height));
8454 monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
8455 gtk_menu_set_monitor (menu, monitor_num);
8456 gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
8458 *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
8459 *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));
8466 GtkTextView *text_view;
8473 range_contains_editable_text (const GtkTextIter *start,
8474 const GtkTextIter *end,
8475 gboolean default_editability)
8477 GtkTextIter iter = *start;
8479 while (gtk_text_iter_compare (&iter, end) < 0)
8481 if (gtk_text_iter_editable (&iter, default_editability))
8484 gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
8491 unichar_chosen_func (const char *text,
8494 GtkTextView *text_view = GTK_TEXT_VIEW (data);
8496 gtk_text_view_commit_text (text_view, text);
8500 popup_targets_received (GtkClipboard *clipboard,
8501 GtkSelectionData *data,
8504 PopupInfo *info = user_data;
8505 GtkTextView *text_view;
8506 GtkTextViewPrivate *priv;
8508 text_view = info->text_view;
8509 priv = text_view->priv;
8511 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
8513 /* We implicitely rely here on the fact that if we are pasting ourself, we'll
8514 * have text targets as well as the private GTK_TEXT_BUFFER_CONTENTS target.
8516 gboolean clipboard_contains_text;
8517 GtkWidget *menuitem;
8519 gboolean have_selection;
8520 gboolean can_insert;
8522 GtkTextIter sel_start, sel_end;
8523 gboolean show_input_method_menu;
8524 gboolean show_unicode_menu;
8526 clipboard_contains_text = gtk_selection_data_targets_include_text (data);
8528 if (priv->popup_menu)
8529 gtk_widget_destroy (priv->popup_menu);
8531 priv->popup_menu = gtk_menu_new ();
8533 gtk_menu_attach_to_widget (GTK_MENU (priv->popup_menu),
8534 GTK_WIDGET (text_view),
8537 have_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
8538 &sel_start, &sel_end);
8540 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
8542 gtk_text_buffer_get_insert (get_buffer (text_view)));
8544 can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
8546 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_CUT, "cut-clipboard",
8548 range_contains_editable_text (&sel_start, &sel_end,
8550 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_COPY, "copy-clipboard",
8552 append_action_signal (text_view, priv->popup_menu, GTK_STOCK_PASTE, "paste-clipboard",
8553 can_insert && clipboard_contains_text);
8555 menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_DELETE, NULL);
8556 gtk_widget_set_sensitive (menuitem,
8558 range_contains_editable_text (&sel_start, &sel_end,
8560 g_signal_connect_swapped (menuitem, "activate",
8561 G_CALLBACK (delete_cb), text_view);
8562 gtk_widget_show (menuitem);
8563 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8565 menuitem = gtk_separator_menu_item_new ();
8566 gtk_widget_show (menuitem);
8567 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8569 menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
8570 gtk_widget_set_sensitive (menuitem,
8571 gtk_text_buffer_get_char_count (priv->buffer) > 0);
8572 g_signal_connect (menuitem, "activate",
8573 G_CALLBACK (select_all_cb), text_view);
8574 gtk_widget_show (menuitem);
8575 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8577 g_object_get (gtk_widget_get_settings (GTK_WIDGET (text_view)),
8578 "gtk-show-input-method-menu", &show_input_method_menu,
8579 "gtk-show-unicode-menu", &show_unicode_menu,
8582 if (show_input_method_menu || show_unicode_menu)
8584 menuitem = gtk_separator_menu_item_new ();
8585 gtk_widget_show (menuitem);
8586 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8589 if (show_input_method_menu)
8591 menuitem = gtk_menu_item_new_with_mnemonic (_("Input _Methods"));
8592 gtk_widget_show (menuitem);
8593 gtk_widget_set_sensitive (menuitem, can_insert);
8595 submenu = gtk_menu_new ();
8596 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
8597 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8599 gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (priv->im_context),
8600 GTK_MENU_SHELL (submenu));
8603 if (show_unicode_menu)
8605 menuitem = gtk_menu_item_new_with_mnemonic (_("_Insert Unicode Control Character"));
8606 gtk_widget_show (menuitem);
8607 gtk_widget_set_sensitive (menuitem, can_insert);
8609 submenu = gtk_menu_new ();
8610 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
8611 gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
8613 _gtk_text_util_append_special_char_menuitems (GTK_MENU_SHELL (submenu),
8614 unichar_chosen_func,
8618 g_signal_emit (text_view,
8619 signals[POPULATE_POPUP],
8624 gtk_menu_popup_for_device (GTK_MENU (priv->popup_menu),
8625 info->device, NULL, NULL, NULL, NULL, NULL,
8626 info->button, info->time);
8629 gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,
8630 popup_position_func, text_view,
8631 0, gtk_get_current_event_time ());
8632 gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->popup_menu), FALSE);
8636 g_object_unref (text_view);
8641 gtk_text_view_do_popup (GtkTextView *text_view,
8642 GdkEventButton *event)
8644 PopupInfo *info = g_new (PopupInfo, 1);
8646 /* In order to know what entries we should make sensitive, we
8647 * ask for the current targets of the clipboard, and when
8648 * we get them, then we actually pop up the menu.
8650 info->text_view = g_object_ref (text_view);
8654 info->button = event->button;
8655 info->time = event->time;
8656 info->device = event->device;
8661 info->time = gtk_get_current_event_time ();
8662 info->device = NULL;
8665 gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (text_view),
8666 GDK_SELECTION_CLIPBOARD),
8667 gdk_atom_intern_static_string ("TARGETS"),
8668 popup_targets_received,
8673 gtk_text_view_popup_menu (GtkWidget *widget)
8675 gtk_text_view_do_popup (GTK_TEXT_VIEW (widget), NULL);
8679 /* Child GdkWindows */
8682 static GtkTextWindow*
8683 text_window_new (GtkTextWindowType type,
8686 gint height_request)
8690 win = g_new (GtkTextWindow, 1);
8693 win->widget = widget;
8695 win->bin_window = NULL;
8696 win->requisition.width = width_request;
8697 win->requisition.height = height_request;
8698 win->allocation.width = width_request;
8699 win->allocation.height = height_request;
8700 win->allocation.x = 0;
8701 win->allocation.y = 0;
8707 text_window_free (GtkTextWindow *win)
8710 text_window_unrealize (win);
8716 text_window_realize (GtkTextWindow *win,
8719 GtkStyleContext *context;
8720 GtkStateFlags state;
8722 GdkWindowAttr attributes;
8723 gint attributes_mask;
8727 attributes.window_type = GDK_WINDOW_CHILD;
8728 attributes.x = win->allocation.x;
8729 attributes.y = win->allocation.y;
8730 attributes.width = win->allocation.width;
8731 attributes.height = win->allocation.height;
8732 attributes.wclass = GDK_INPUT_OUTPUT;
8733 attributes.visual = gtk_widget_get_visual (win->widget);
8734 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
8736 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
8738 window = gtk_widget_get_window (widget);
8740 win->window = gdk_window_new (window,
8741 &attributes, attributes_mask);
8743 gdk_window_show (win->window);
8744 gdk_window_set_user_data (win->window, win->widget);
8745 gdk_window_lower (win->window);
8749 attributes.width = win->allocation.width;
8750 attributes.height = win->allocation.height;
8751 attributes.event_mask = (GDK_EXPOSURE_MASK |
8753 GDK_SMOOTH_SCROLL_MASK |
8754 GDK_KEY_PRESS_MASK |
8755 GDK_BUTTON_PRESS_MASK |
8756 GDK_BUTTON_RELEASE_MASK |
8757 GDK_POINTER_MOTION_MASK |
8758 GDK_POINTER_MOTION_HINT_MASK |
8759 gtk_widget_get_events (win->widget));
8761 win->bin_window = gdk_window_new (win->window,
8765 gdk_window_show (win->bin_window);
8766 gdk_window_set_user_data (win->bin_window, win->widget);
8768 context = gtk_widget_get_style_context (widget);
8769 state = gtk_widget_get_state_flags (widget);
8771 if (win->type == GTK_TEXT_WINDOW_TEXT)
8773 if (gtk_widget_is_sensitive (widget))
8776 cursor = gdk_cursor_new_for_display (gdk_window_get_display (window),
8778 gdk_window_set_cursor (win->bin_window, cursor);
8779 g_object_unref (cursor);
8782 gtk_im_context_set_client_window (GTK_TEXT_VIEW (widget)->priv->im_context,
8785 gtk_style_context_save (context);
8786 gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
8788 gtk_style_context_get_background_color (context, state, &color);
8789 gdk_window_set_background_rgba (win->bin_window, &color);
8791 gtk_style_context_restore (context);
8795 gtk_style_context_get_background_color (context, state, &color);
8796 gdk_window_set_background_rgba (win->bin_window, &color);
8799 g_object_set_qdata (G_OBJECT (win->window),
8800 g_quark_from_static_string ("gtk-text-view-text-window"),
8803 g_object_set_qdata (G_OBJECT (win->bin_window),
8804 g_quark_from_static_string ("gtk-text-view-text-window"),
8809 text_window_unrealize (GtkTextWindow *win)
8811 if (win->type == GTK_TEXT_WINDOW_TEXT)
8813 gtk_im_context_set_client_window (GTK_TEXT_VIEW (win->widget)->priv->im_context,
8817 gdk_window_set_user_data (win->window, NULL);
8818 gdk_window_set_user_data (win->bin_window, NULL);
8819 gdk_window_destroy (win->bin_window);
8820 gdk_window_destroy (win->window);
8822 win->bin_window = NULL;
8826 text_window_size_allocate (GtkTextWindow *win,
8829 win->allocation = *rect;
8833 gdk_window_move_resize (win->window,
8835 rect->width, rect->height);
8837 gdk_window_resize (win->bin_window,
8838 rect->width, rect->height);
8843 text_window_scroll (GtkTextWindow *win,
8847 if (dx != 0 || dy != 0)
8849 gdk_window_scroll (win->bin_window, dx, dy);
8854 text_window_invalidate_rect (GtkTextWindow *win,
8857 GdkRectangle window_rect;
8859 gtk_text_view_buffer_to_window_coords (GTK_TEXT_VIEW (win->widget),
8866 window_rect.width = rect->width;
8867 window_rect.height = rect->height;
8869 /* Adjust the rect as appropriate */
8873 case GTK_TEXT_WINDOW_TEXT:
8876 case GTK_TEXT_WINDOW_LEFT:
8877 case GTK_TEXT_WINDOW_RIGHT:
8879 window_rect.width = win->allocation.width;
8882 case GTK_TEXT_WINDOW_TOP:
8883 case GTK_TEXT_WINDOW_BOTTOM:
8885 window_rect.height = win->allocation.height;
8889 g_warning ("%s: bug!", G_STRFUNC);
8894 gdk_window_invalidate_rect (win->bin_window, &window_rect, FALSE);
8898 cairo_t *cr = gdk_cairo_create (win->bin_window);
8899 gdk_cairo_rectangle (cr, &window_rect);
8900 cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */
8908 text_window_invalidate_cursors (GtkTextWindow *win)
8910 GtkTextView *text_view;
8911 GtkTextViewPrivate *priv;
8913 GdkRectangle strong;
8915 gboolean draw_arrow;
8916 gfloat cursor_aspect_ratio;
8920 text_view = GTK_TEXT_VIEW (win->widget);
8921 priv = text_view->priv;
8923 gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
8924 gtk_text_buffer_get_insert (priv->buffer));
8926 if (_gtk_text_layout_get_block_cursor (priv->layout, &strong))
8928 text_window_invalidate_rect (win, &strong);
8932 gtk_text_layout_get_cursor_locations (priv->layout, &iter,
8935 /* cursor width calculation as in gtkstylecontext.c:draw_insertion_cursor(),
8936 * ignoring the text direction be exposing both sides of the cursor
8939 draw_arrow = (strong.x != weak.x || strong.y != weak.y);
8941 gtk_widget_style_get (win->widget,
8942 "cursor-aspect-ratio", &cursor_aspect_ratio,
8945 stem_width = strong.height * cursor_aspect_ratio + 1;
8946 arrow_width = stem_width + 1;
8948 strong.width = stem_width;
8950 /* round up to the next even number */
8954 strong.x -= stem_width / 2;
8955 strong.width += stem_width;
8959 strong.x -= arrow_width;
8960 strong.width += arrow_width * 2;
8963 text_window_invalidate_rect (win, &strong);
8965 if (draw_arrow) /* == have weak */
8967 stem_width = weak.height * cursor_aspect_ratio + 1;
8968 arrow_width = stem_width + 1;
8970 weak.width = stem_width;
8972 /* round up to the next even number */
8976 weak.x -= stem_width / 2;
8977 weak.width += stem_width;
8979 weak.x -= arrow_width;
8980 weak.width += arrow_width * 2;
8982 text_window_invalidate_rect (win, &weak);
8987 text_window_get_width (GtkTextWindow *win)
8989 return win->allocation.width;
8993 text_window_get_height (GtkTextWindow *win)
8995 return win->allocation.height;
9002 * gtk_text_view_get_window:
9003 * @text_view: a #GtkTextView
9004 * @win: window to get
9006 * Retrieves the #GdkWindow corresponding to an area of the text view;
9007 * possible windows include the overall widget window, child windows
9008 * on the left, right, top, bottom, and the window that displays the
9009 * text buffer. Windows are %NULL and nonexistent if their width or
9010 * height is 0, and are nonexistent before the widget has been
9013 * Return value: (transfer none): a #GdkWindow, or %NULL
9016 gtk_text_view_get_window (GtkTextView *text_view,
9017 GtkTextWindowType win)
9019 GtkTextViewPrivate *priv = text_view->priv;
9021 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
9025 case GTK_TEXT_WINDOW_WIDGET:
9026 return gtk_widget_get_window (GTK_WIDGET (text_view));
9029 case GTK_TEXT_WINDOW_TEXT:
9030 return priv->text_window->bin_window;
9033 case GTK_TEXT_WINDOW_LEFT:
9034 if (priv->left_window)
9035 return priv->left_window->bin_window;
9040 case GTK_TEXT_WINDOW_RIGHT:
9041 if (priv->right_window)
9042 return priv->right_window->bin_window;
9047 case GTK_TEXT_WINDOW_TOP:
9048 if (priv->top_window)
9049 return priv->top_window->bin_window;
9054 case GTK_TEXT_WINDOW_BOTTOM:
9055 if (priv->bottom_window)
9056 return priv->bottom_window->bin_window;
9061 case GTK_TEXT_WINDOW_PRIVATE:
9062 g_warning ("%s: You can't get GTK_TEXT_WINDOW_PRIVATE, it has \"PRIVATE\" in the name because it is private.", G_STRFUNC);
9067 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9072 * gtk_text_view_get_window_type:
9073 * @text_view: a #GtkTextView
9074 * @window: a window type
9076 * Usually used to find out which window an event corresponds to.
9077 * If you connect to an event signal on @text_view, this function
9078 * should be called on <literal>event->window</literal> to
9079 * see which window it was.
9081 * Return value: the window type.
9084 gtk_text_view_get_window_type (GtkTextView *text_view,
9089 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
9090 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
9092 if (window == gtk_widget_get_window (GTK_WIDGET (text_view)))
9093 return GTK_TEXT_WINDOW_WIDGET;
9095 win = g_object_get_qdata (G_OBJECT (window),
9096 g_quark_try_string ("gtk-text-view-text-window"));
9102 return GTK_TEXT_WINDOW_PRIVATE;
9107 buffer_to_widget (GtkTextView *text_view,
9113 GtkTextViewPrivate *priv = text_view->priv;
9117 *window_x = buffer_x - priv->xoffset;
9118 *window_x += priv->text_window->allocation.x;
9123 *window_y = buffer_y - priv->yoffset;
9124 *window_y += priv->text_window->allocation.y;
9129 widget_to_text_window (GtkTextWindow *win,
9136 *window_x = widget_x - win->allocation.x;
9139 *window_y = widget_y - win->allocation.y;
9143 buffer_to_text_window (GtkTextView *text_view,
9152 g_warning ("Attempt to convert text buffer coordinates to coordinates "
9153 "for a nonexistent or private child window of GtkTextView");
9157 buffer_to_widget (text_view,
9159 window_x, window_y);
9161 widget_to_text_window (win,
9162 window_x ? *window_x : 0,
9163 window_y ? *window_y : 0,
9169 * gtk_text_view_buffer_to_window_coords:
9170 * @text_view: a #GtkTextView
9171 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
9172 * @buffer_x: buffer x coordinate
9173 * @buffer_y: buffer y coordinate
9174 * @window_x: (out) (allow-none): window x coordinate return location or %NULL
9175 * @window_y: (out) (allow-none): window y coordinate return location or %NULL
9177 * Converts coordinate (@buffer_x, @buffer_y) to coordinates for the window
9178 * @win, and stores the result in (@window_x, @window_y).
9180 * Note that you can't convert coordinates for a nonexisting window (see
9181 * gtk_text_view_set_border_window_size()).
9184 gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
9185 GtkTextWindowType win,
9191 GtkTextViewPrivate *priv = text_view->priv;
9193 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9197 case GTK_TEXT_WINDOW_WIDGET:
9198 buffer_to_widget (text_view,
9200 window_x, window_y);
9203 case GTK_TEXT_WINDOW_TEXT:
9205 *window_x = buffer_x - priv->xoffset;
9207 *window_y = buffer_y - priv->yoffset;
9210 case GTK_TEXT_WINDOW_LEFT:
9211 buffer_to_text_window (text_view,
9214 window_x, window_y);
9217 case GTK_TEXT_WINDOW_RIGHT:
9218 buffer_to_text_window (text_view,
9221 window_x, window_y);
9224 case GTK_TEXT_WINDOW_TOP:
9225 buffer_to_text_window (text_view,
9228 window_x, window_y);
9231 case GTK_TEXT_WINDOW_BOTTOM:
9232 buffer_to_text_window (text_view,
9233 priv->bottom_window,
9235 window_x, window_y);
9238 case GTK_TEXT_WINDOW_PRIVATE:
9239 g_warning ("%s: can't get coords for private windows", G_STRFUNC);
9243 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9249 widget_to_buffer (GtkTextView *text_view,
9255 GtkTextViewPrivate *priv = text_view->priv;
9259 *buffer_x = widget_x + priv->xoffset;
9260 *buffer_x -= priv->text_window->allocation.x;
9265 *buffer_y = widget_y + priv->yoffset;
9266 *buffer_y -= priv->text_window->allocation.y;
9271 text_window_to_widget (GtkTextWindow *win,
9278 *widget_x = window_x + win->allocation.x;
9281 *widget_y = window_y + win->allocation.y;
9285 text_window_to_buffer (GtkTextView *text_view,
9294 g_warning ("Attempt to convert GtkTextView buffer coordinates into "
9295 "coordinates for a nonexistent child window.");
9299 text_window_to_widget (win,
9305 widget_to_buffer (text_view,
9306 buffer_x ? *buffer_x : 0,
9307 buffer_y ? *buffer_y : 0,
9313 * gtk_text_view_window_to_buffer_coords:
9314 * @text_view: a #GtkTextView
9315 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
9316 * @window_x: window x coordinate
9317 * @window_y: window y coordinate
9318 * @buffer_x: (out) (allow-none): buffer x coordinate return location or %NULL
9319 * @buffer_y: (out) (allow-none): buffer y coordinate return location or %NULL
9321 * Converts coordinates on the window identified by @win to buffer
9322 * coordinates, storing the result in (@buffer_x,@buffer_y).
9324 * Note that you can't convert coordinates for a nonexisting window (see
9325 * gtk_text_view_set_border_window_size()).
9328 gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
9329 GtkTextWindowType win,
9335 GtkTextViewPrivate *priv = text_view->priv;
9337 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9341 case GTK_TEXT_WINDOW_WIDGET:
9342 widget_to_buffer (text_view,
9344 buffer_x, buffer_y);
9347 case GTK_TEXT_WINDOW_TEXT:
9349 *buffer_x = window_x + priv->xoffset;
9351 *buffer_y = window_y + priv->yoffset;
9354 case GTK_TEXT_WINDOW_LEFT:
9355 text_window_to_buffer (text_view,
9358 buffer_x, buffer_y);
9361 case GTK_TEXT_WINDOW_RIGHT:
9362 text_window_to_buffer (text_view,
9365 buffer_x, buffer_y);
9368 case GTK_TEXT_WINDOW_TOP:
9369 text_window_to_buffer (text_view,
9372 buffer_x, buffer_y);
9375 case GTK_TEXT_WINDOW_BOTTOM:
9376 text_window_to_buffer (text_view,
9377 priv->bottom_window,
9379 buffer_x, buffer_y);
9382 case GTK_TEXT_WINDOW_PRIVATE:
9383 g_warning ("%s: can't get coords for private windows", G_STRFUNC);
9387 g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
9393 set_window_width (GtkTextView *text_view,
9395 GtkTextWindowType type,
9396 GtkTextWindow **winp)
9402 text_window_free (*winp);
9404 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9411 *winp = text_window_new (type,
9412 GTK_WIDGET (text_view),
9414 /* if the widget is already realized we need to realize the child manually */
9415 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9416 text_window_realize (*winp, GTK_WIDGET (text_view));
9420 if ((*winp)->requisition.width == width)
9423 (*winp)->requisition.width = width;
9426 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9432 set_window_height (GtkTextView *text_view,
9434 GtkTextWindowType type,
9435 GtkTextWindow **winp)
9441 text_window_free (*winp);
9443 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9450 *winp = text_window_new (type,
9451 GTK_WIDGET (text_view),
9454 /* if the widget is already realized we need to realize the child manually */
9455 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9456 text_window_realize (*winp, GTK_WIDGET (text_view));
9460 if ((*winp)->requisition.height == height)
9463 (*winp)->requisition.height = height;
9466 gtk_widget_queue_resize (GTK_WIDGET (text_view));
9471 * gtk_text_view_set_border_window_size:
9472 * @text_view: a #GtkTextView
9473 * @type: window to affect
9474 * @size: width or height of the window
9476 * Sets the width of %GTK_TEXT_WINDOW_LEFT or %GTK_TEXT_WINDOW_RIGHT,
9477 * or the height of %GTK_TEXT_WINDOW_TOP or %GTK_TEXT_WINDOW_BOTTOM.
9478 * Automatically destroys the corresponding window if the size is set
9479 * to 0, and creates the window if the size is set to non-zero. This
9480 * function can only be used for the "border windows," it doesn't work
9481 * with #GTK_TEXT_WINDOW_WIDGET, #GTK_TEXT_WINDOW_TEXT, or
9482 * #GTK_TEXT_WINDOW_PRIVATE.
9485 gtk_text_view_set_border_window_size (GtkTextView *text_view,
9486 GtkTextWindowType type,
9489 GtkTextViewPrivate *priv = text_view->priv;
9491 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9492 g_return_if_fail (size >= 0);
9496 case GTK_TEXT_WINDOW_LEFT:
9497 set_window_width (text_view, size, GTK_TEXT_WINDOW_LEFT,
9498 &priv->left_window);
9501 case GTK_TEXT_WINDOW_RIGHT:
9502 set_window_width (text_view, size, GTK_TEXT_WINDOW_RIGHT,
9503 &priv->right_window);
9506 case GTK_TEXT_WINDOW_TOP:
9507 set_window_height (text_view, size, GTK_TEXT_WINDOW_TOP,
9511 case GTK_TEXT_WINDOW_BOTTOM:
9512 set_window_height (text_view, size, GTK_TEXT_WINDOW_BOTTOM,
9513 &priv->bottom_window);
9517 g_warning ("Can only set size of left/right/top/bottom border windows with gtk_text_view_set_border_window_size()");
9523 * gtk_text_view_get_border_window_size:
9524 * @text_view: a #GtkTextView
9525 * @type: window to return size from
9527 * Gets the width of the specified border window. See
9528 * gtk_text_view_set_border_window_size().
9530 * Return value: width of window
9533 gtk_text_view_get_border_window_size (GtkTextView *text_view,
9534 GtkTextWindowType type)
9536 GtkTextViewPrivate *priv = text_view->priv;
9538 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
9542 case GTK_TEXT_WINDOW_LEFT:
9543 if (priv->left_window)
9544 return priv->left_window->requisition.width;
9547 case GTK_TEXT_WINDOW_RIGHT:
9548 if (priv->right_window)
9549 return priv->right_window->requisition.width;
9552 case GTK_TEXT_WINDOW_TOP:
9553 if (priv->top_window)
9554 return priv->top_window->requisition.height;
9557 case GTK_TEXT_WINDOW_BOTTOM:
9558 if (priv->bottom_window)
9559 return priv->bottom_window->requisition.height;
9563 g_warning ("Can only get size of left/right/top/bottom border windows with gtk_text_view_get_border_window_size()");
9574 static GtkTextViewChild*
9575 text_view_child_new_anchored (GtkWidget *child,
9576 GtkTextChildAnchor *anchor,
9577 GtkTextLayout *layout)
9579 GtkTextViewChild *vc;
9581 vc = g_new (GtkTextViewChild, 1);
9583 vc->type = GTK_TEXT_WINDOW_PRIVATE;
9585 vc->anchor = anchor;
9587 vc->from_top_of_line = 0;
9588 vc->from_left_of_buffer = 0;
9590 g_object_ref (vc->widget);
9591 g_object_ref (vc->anchor);
9593 g_object_set_data (G_OBJECT (child),
9594 I_("gtk-text-view-child"),
9597 gtk_text_child_anchor_register_child (anchor, child, layout);
9602 static GtkTextViewChild*
9603 text_view_child_new_window (GtkWidget *child,
9604 GtkTextWindowType type,
9608 GtkTextViewChild *vc;
9610 vc = g_new (GtkTextViewChild, 1);
9615 vc->from_top_of_line = 0;
9616 vc->from_left_of_buffer = 0;
9618 g_object_ref (vc->widget);
9624 g_object_set_data (G_OBJECT (child),
9625 I_("gtk-text-view-child"),
9632 text_view_child_free (GtkTextViewChild *child)
9634 g_object_set_data (G_OBJECT (child->widget),
9635 I_("gtk-text-view-child"), NULL);
9639 gtk_text_child_anchor_unregister_child (child->anchor,
9641 g_object_unref (child->anchor);
9644 g_object_unref (child->widget);
9650 text_view_child_set_parent_window (GtkTextView *text_view,
9651 GtkTextViewChild *vc)
9654 gtk_widget_set_parent_window (vc->widget,
9655 text_view->priv->text_window->bin_window);
9659 window = gtk_text_view_get_window (text_view,
9661 gtk_widget_set_parent_window (vc->widget, window);
9666 add_child (GtkTextView *text_view,
9667 GtkTextViewChild *vc)
9669 text_view->priv->children = g_slist_prepend (text_view->priv->children,
9672 if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
9673 text_view_child_set_parent_window (text_view, vc);
9675 gtk_widget_set_parent (vc->widget, GTK_WIDGET (text_view));
9679 * gtk_text_view_add_child_at_anchor:
9680 * @text_view: a #GtkTextView
9681 * @child: a #GtkWidget
9682 * @anchor: a #GtkTextChildAnchor in the #GtkTextBuffer for @text_view
9684 * Adds a child widget in the text buffer, at the given @anchor.
9687 gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
9689 GtkTextChildAnchor *anchor)
9691 GtkTextViewChild *vc;
9693 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9694 g_return_if_fail (GTK_IS_WIDGET (child));
9695 g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
9696 g_return_if_fail (gtk_widget_get_parent (child) == NULL);
9698 gtk_text_view_ensure_layout (text_view);
9700 vc = text_view_child_new_anchored (child, anchor,
9701 text_view->priv->layout);
9703 add_child (text_view, vc);
9705 g_assert (vc->widget == child);
9706 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9710 * gtk_text_view_add_child_in_window:
9711 * @text_view: a #GtkTextView
9712 * @child: a #GtkWidget
9713 * @which_window: which window the child should appear in
9714 * @xpos: X position of child in window coordinates
9715 * @ypos: Y position of child in window coordinates
9717 * Adds a child at fixed coordinates in one of the text widget's
9720 * The window must have nonzero size (see
9721 * gtk_text_view_set_border_window_size()). Note that the child
9722 * coordinates are given relative to the #GdkWindow in question, and
9723 * that these coordinates have no sane relationship to scrolling. When
9724 * placing a child in #GTK_TEXT_WINDOW_WIDGET, scrolling is
9725 * irrelevant, the child floats above all scrollable areas. But when
9726 * placing a child in one of the scrollable windows (border windows or
9727 * text window), you'll need to compute the child's correct position
9728 * in buffer coordinates any time scrolling occurs or buffer changes
9729 * occur, and then call gtk_text_view_move_child() to update the
9733 gtk_text_view_add_child_in_window (GtkTextView *text_view,
9735 GtkTextWindowType which_window,
9739 GtkTextViewChild *vc;
9741 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9742 g_return_if_fail (GTK_IS_WIDGET (child));
9743 g_return_if_fail (gtk_widget_get_parent (child) == NULL);
9745 vc = text_view_child_new_window (child, which_window,
9748 add_child (text_view, vc);
9750 g_assert (vc->widget == child);
9751 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9755 * gtk_text_view_move_child:
9756 * @text_view: a #GtkTextView
9757 * @child: child widget already added to the text view
9758 * @xpos: new X position in window coordinates
9759 * @ypos: new Y position in window coordinates
9761 * Updates the position of a child, as for gtk_text_view_add_child_in_window().
9764 gtk_text_view_move_child (GtkTextView *text_view,
9769 GtkTextViewChild *vc;
9771 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9772 g_return_if_fail (GTK_IS_WIDGET (child));
9773 g_return_if_fail (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
9775 vc = g_object_get_data (G_OBJECT (child),
9776 "gtk-text-view-child");
9778 g_assert (vc != NULL);
9780 if (vc->x == xpos &&
9787 if (gtk_widget_get_visible (child) &&
9788 gtk_widget_get_visible (GTK_WIDGET (text_view)))
9789 gtk_widget_queue_resize (child);
9793 /* Iterator operations */
9796 * gtk_text_view_forward_display_line:
9797 * @text_view: a #GtkTextView
9798 * @iter: a #GtkTextIter
9800 * Moves the given @iter forward by one display (wrapped) line.
9801 * A display line is different from a paragraph. Paragraphs are
9802 * separated by newlines or other paragraph separator characters.
9803 * Display lines are created by line-wrapping a paragraph. If
9804 * wrapping is turned off, display lines and paragraphs will be the
9805 * same. Display lines are divided differently for each view, since
9806 * they depend on the view's width; paragraphs are the same in all
9807 * views, since they depend on the contents of the #GtkTextBuffer.
9809 * Return value: %TRUE if @iter was moved and is not on the end iterator
9812 gtk_text_view_forward_display_line (GtkTextView *text_view,
9815 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9816 g_return_val_if_fail (iter != NULL, FALSE);
9818 gtk_text_view_ensure_layout (text_view);
9820 return gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, iter);
9824 * gtk_text_view_backward_display_line:
9825 * @text_view: a #GtkTextView
9826 * @iter: a #GtkTextIter
9828 * Moves the given @iter backward by one display (wrapped) line.
9829 * A display line is different from a paragraph. Paragraphs are
9830 * separated by newlines or other paragraph separator characters.
9831 * Display lines are created by line-wrapping a paragraph. If
9832 * wrapping is turned off, display lines and paragraphs will be the
9833 * same. Display lines are divided differently for each view, since
9834 * they depend on the view's width; paragraphs are the same in all
9835 * views, since they depend on the contents of the #GtkTextBuffer.
9837 * Return value: %TRUE if @iter was moved and is not on the end iterator
9840 gtk_text_view_backward_display_line (GtkTextView *text_view,
9843 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9844 g_return_val_if_fail (iter != NULL, FALSE);
9846 gtk_text_view_ensure_layout (text_view);
9848 return gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, iter);
9852 * gtk_text_view_forward_display_line_end:
9853 * @text_view: a #GtkTextView
9854 * @iter: a #GtkTextIter
9856 * Moves the given @iter forward to the next display line end.
9857 * A display line is different from a paragraph. Paragraphs are
9858 * separated by newlines or other paragraph separator characters.
9859 * Display lines are created by line-wrapping a paragraph. If
9860 * wrapping is turned off, display lines and paragraphs will be the
9861 * same. Display lines are divided differently for each view, since
9862 * they depend on the view's width; paragraphs are the same in all
9863 * views, since they depend on the contents of the #GtkTextBuffer.
9865 * Return value: %TRUE if @iter was moved and is not on the end iterator
9868 gtk_text_view_forward_display_line_end (GtkTextView *text_view,
9871 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9872 g_return_val_if_fail (iter != NULL, FALSE);
9874 gtk_text_view_ensure_layout (text_view);
9876 return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, 1);
9880 * gtk_text_view_backward_display_line_start:
9881 * @text_view: a #GtkTextView
9882 * @iter: a #GtkTextIter
9884 * Moves the given @iter backward to the next display line start.
9885 * A display line is different from a paragraph. Paragraphs are
9886 * separated by newlines or other paragraph separator characters.
9887 * Display lines are created by line-wrapping a paragraph. If
9888 * wrapping is turned off, display lines and paragraphs will be the
9889 * same. Display lines are divided differently for each view, since
9890 * they depend on the view's width; paragraphs are the same in all
9891 * views, since they depend on the contents of the #GtkTextBuffer.
9893 * Return value: %TRUE if @iter was moved and is not on the end iterator
9896 gtk_text_view_backward_display_line_start (GtkTextView *text_view,
9899 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9900 g_return_val_if_fail (iter != NULL, FALSE);
9902 gtk_text_view_ensure_layout (text_view);
9904 return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, -1);
9908 * gtk_text_view_starts_display_line:
9909 * @text_view: a #GtkTextView
9910 * @iter: a #GtkTextIter
9912 * Determines whether @iter is at the start of a display line.
9913 * See gtk_text_view_forward_display_line() for an explanation of
9914 * display lines vs. paragraphs.
9916 * Return value: %TRUE if @iter begins a wrapped line
9919 gtk_text_view_starts_display_line (GtkTextView *text_view,
9920 const GtkTextIter *iter)
9922 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9923 g_return_val_if_fail (iter != NULL, FALSE);
9925 gtk_text_view_ensure_layout (text_view);
9927 return gtk_text_layout_iter_starts_line (text_view->priv->layout, iter);
9931 * gtk_text_view_move_visually:
9932 * @text_view: a #GtkTextView
9933 * @iter: a #GtkTextIter
9934 * @count: number of characters to move (negative moves left,
9935 * positive moves right)
9937 * Move the iterator a given number of characters visually, treating
9938 * it as the strong cursor position. If @count is positive, then the
9939 * new strong cursor position will be @count positions to the right of
9940 * the old cursor position. If @count is negative then the new strong
9941 * cursor position will be @count positions to the left of the old
9944 * In the presence of bi-directional text, the correspondence
9945 * between logical and visual order will depend on the direction
9946 * of the current run, and there may be jumps when the cursor
9947 * is moved off of the end of a run.
9949 * Return value: %TRUE if @iter moved and is not on the end iterator
9952 gtk_text_view_move_visually (GtkTextView *text_view,
9956 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
9957 g_return_val_if_fail (iter != NULL, FALSE);
9959 gtk_text_view_ensure_layout (text_view);
9961 return gtk_text_layout_move_iter_visually (text_view->priv->layout, iter, count);
9965 * gtk_text_view_set_input_purpose:
9966 * @text_view: a #GtkTextView
9967 * @purpose: the purpose
9969 * Sets the #GtkTextView:input-purpose property which
9970 * can be used by on-screen keyboards and other input
9971 * methods to adjust their behaviour.
9977 gtk_text_view_set_input_purpose (GtkTextView *text_view,
9978 GtkInputPurpose purpose)
9981 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
9983 if (gtk_text_view_get_input_purpose (text_view) != purpose)
9985 g_object_set (G_OBJECT (text_view->priv->im_context),
9986 "input-purpose", purpose,
9989 g_object_notify (G_OBJECT (text_view), "input-purpose");
9994 * gtk_text_view_get_input_purpose:
9995 * @text_view: a #GtkTextView
9997 * Gets the value of the #GtkTextView:input-purpose property.
10003 gtk_text_view_get_input_purpose (GtkTextView *text_view)
10005 GtkInputPurpose purpose;
10007 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_PURPOSE_FREE_FORM);
10009 g_object_get (G_OBJECT (text_view->priv->im_context),
10010 "input-purpose", &purpose,
10017 * gtk_text_view_set_input_hints:
10018 * @text_view: a #GtkTextView
10019 * @hints: the hints
10021 * Sets the #GtkTextView:input-hints property, which
10022 * allows input methods to fine-tune their behaviour.
10028 gtk_text_view_set_input_hints (GtkTextView *text_view,
10029 GtkInputHints hints)
10032 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
10034 if (gtk_text_view_get_input_hints (text_view) != hints)
10036 g_object_set (G_OBJECT (text_view->priv->im_context),
10037 "input-hints", hints,
10040 g_object_notify (G_OBJECT (text_view), "input-hints");
10045 * gtk_text_view_get_input_hints:
10046 * @text_view: a #GtkTextView
10048 * Gets the value of the #GtkTextView:input-hints property.
10054 gtk_text_view_get_input_hints (GtkTextView *text_view)
10056 GtkInputHints hints;
10058 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_HINT_NONE);
10060 g_object_get (G_OBJECT (text_view->priv->im_context),
10061 "input-hints", &hints,