1 /* GTK - The GIMP Toolkit
2 * gtktextview.c Copyright (C) 2000 Red Hat, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 #define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
30 #include "gtkbindings.h"
32 #include "gtkimagemenuitem.h"
35 #include "gtkmarshalers.h"
37 #include "gtkmenuitem.h"
38 #include "gtkseparatormenuitem.h"
39 #include "gtksettings.h"
41 #include "gtktextdisplay.h"
42 #include "gtktextview.h"
43 #include "gtkimmulticontext.h"
44 #include "gdk/gdkkeysyms.h"
45 #include "gtksizegroup.h" /* FIXME http://bugzilla.gnome.org/show_bug.cgi?id=72258 */
46 #include "gtktextutil.h"
47 #include "gtkwindow.h"
49 /* How scrolling, validation, exposes, etc. work.
51 * The expose_event handler has the invariant that the onscreen lines
52 * have been validated.
54 * There are two ways that onscreen lines can become invalid. The first
55 * is to change which lines are onscreen. This happens when the value
56 * of a scroll adjustment changes. So the code path begins in
57 * gtk_text_view_value_changed() and goes like this:
58 * - gdk_window_scroll() to reflect the new adjustment value
59 * - validate the lines that were moved onscreen
60 * - gdk_window_process_updates() to handle the exposes immediately
62 * The second way is that you get the "invalidated" signal from the layout,
63 * indicating that lines have become invalid. This code path begins in
64 * invalidated_handler() and goes like this:
65 * - install high-priority idle which does the rest of the steps
66 * - if a scroll is pending from scroll_to_mark(), do the scroll,
67 * jumping to the gtk_text_view_value_changed() code path
68 * - otherwise, validate the onscreen lines
69 * - DO NOT process updates
71 * In both cases, validating the onscreen lines can trigger a scroll
72 * due to maintaining the first_para on the top of the screen.
73 * If validation triggers a scroll, we jump to the top of the code path
74 * for value_changed, and bail out of the current code path.
76 * Also, in size_allocate, if we invalidate some lines from changing
77 * the layout width, we need to go ahead and run the high-priority idle,
78 * because GTK sends exposes right after doing the size allocates without
79 * returning to the main loop. This is also why the high-priority idle
80 * is at a higher priority than resizing.
85 #define DEBUG_VALIDATION_AND_SCROLLING
88 #ifdef DEBUG_VALIDATION_AND_SCROLLING
94 #define SCREEN_WIDTH(widget) text_window_get_width (GTK_TEXT_VIEW (widget)->text_window)
95 #define SCREEN_HEIGHT(widget) text_window_get_height (GTK_TEXT_VIEW (widget)->text_window)
97 #define SPACE_FOR_CURSOR 1
99 struct _GtkTextPendingScroll
102 gdouble within_margin;
110 SET_SCROLL_ADJUSTMENTS,
130 PROP_PIXELS_ABOVE_LINES,
131 PROP_PIXELS_BELOW_LINES,
132 PROP_PIXELS_INSIDE_WRAP,
147 static void gtk_text_view_init (GtkTextView *text_view);
148 static void gtk_text_view_class_init (GtkTextViewClass *klass);
149 static void gtk_text_view_destroy (GtkObject *object);
150 static void gtk_text_view_finalize (GObject *object);
151 static void gtk_text_view_set_property (GObject *object,
155 static void gtk_text_view_get_property (GObject *object,
159 static void gtk_text_view_size_request (GtkWidget *widget,
160 GtkRequisition *requisition);
161 static void gtk_text_view_size_allocate (GtkWidget *widget,
162 GtkAllocation *allocation);
163 static void gtk_text_view_realize (GtkWidget *widget);
164 static void gtk_text_view_unrealize (GtkWidget *widget);
165 static void gtk_text_view_style_set (GtkWidget *widget,
166 GtkStyle *previous_style);
167 static void gtk_text_view_direction_changed (GtkWidget *widget,
168 GtkTextDirection previous_direction);
169 static void gtk_text_view_grab_notify (GtkWidget *widget,
170 gboolean was_grabbed);
171 static void gtk_text_view_state_changed (GtkWidget *widget,
172 GtkStateType previous_state);
174 static gint gtk_text_view_event (GtkWidget *widget,
176 static gint gtk_text_view_key_press_event (GtkWidget *widget,
178 static gint gtk_text_view_key_release_event (GtkWidget *widget,
180 static gint gtk_text_view_button_press_event (GtkWidget *widget,
181 GdkEventButton *event);
182 static gint gtk_text_view_button_release_event (GtkWidget *widget,
183 GdkEventButton *event);
184 static gint gtk_text_view_focus_in_event (GtkWidget *widget,
185 GdkEventFocus *event);
186 static gint gtk_text_view_focus_out_event (GtkWidget *widget,
187 GdkEventFocus *event);
188 static gint gtk_text_view_motion_event (GtkWidget *widget,
189 GdkEventMotion *event);
190 static gint gtk_text_view_expose_event (GtkWidget *widget,
191 GdkEventExpose *expose);
192 static void gtk_text_view_draw_focus (GtkWidget *widget);
193 static gboolean gtk_text_view_focus (GtkWidget *widget,
194 GtkDirectionType direction);
195 static void gtk_text_view_select_all (GtkWidget *widget,
199 /* Source side drag signals */
200 static void gtk_text_view_drag_begin (GtkWidget *widget,
201 GdkDragContext *context);
202 static void gtk_text_view_drag_end (GtkWidget *widget,
203 GdkDragContext *context);
204 static void gtk_text_view_drag_data_get (GtkWidget *widget,
205 GdkDragContext *context,
206 GtkSelectionData *selection_data,
209 static void gtk_text_view_drag_data_delete (GtkWidget *widget,
210 GdkDragContext *context);
212 /* Target side drag signals */
213 static void gtk_text_view_drag_leave (GtkWidget *widget,
214 GdkDragContext *context,
216 static gboolean gtk_text_view_drag_motion (GtkWidget *widget,
217 GdkDragContext *context,
221 static gboolean gtk_text_view_drag_drop (GtkWidget *widget,
222 GdkDragContext *context,
226 static void gtk_text_view_drag_data_received (GtkWidget *widget,
227 GdkDragContext *context,
230 GtkSelectionData *selection_data,
234 static void gtk_text_view_set_scroll_adjustments (GtkTextView *text_view,
236 GtkAdjustment *vadj);
237 static gboolean gtk_text_view_popup_menu (GtkWidget *widget);
239 static void gtk_text_view_move_cursor (GtkTextView *text_view,
240 GtkMovementStep step,
242 gboolean extend_selection);
243 static void gtk_text_view_page_horizontally (GtkTextView *text_view,
245 gboolean extend_selection);
246 static void gtk_text_view_move_viewport (GtkTextView *text_view,
249 static void gtk_text_view_set_anchor (GtkTextView *text_view);
250 static void gtk_text_view_scroll_pages (GtkTextView *text_view,
252 gboolean extend_selection);
253 static void gtk_text_view_scroll_hpages (GtkTextView *text_view,
255 gboolean extend_selection);
256 static void gtk_text_view_insert_at_cursor (GtkTextView *text_view,
258 static void gtk_text_view_delete_from_cursor (GtkTextView *text_view,
261 static void gtk_text_view_cut_clipboard (GtkTextView *text_view);
262 static void gtk_text_view_copy_clipboard (GtkTextView *text_view);
263 static void gtk_text_view_paste_clipboard (GtkTextView *text_view);
264 static void gtk_text_view_toggle_overwrite (GtkTextView *text_view);
265 static void gtk_text_view_move_focus (GtkTextView *text_view,
266 GtkDirectionType direction_type);
267 static void gtk_text_view_unselect (GtkTextView *text_view);
269 static void gtk_text_view_validate_onscreen (GtkTextView *text_view);
270 static void gtk_text_view_get_first_para_iter (GtkTextView *text_view,
272 static void gtk_text_view_update_layout_width (GtkTextView *text_view);
273 static void gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
274 GtkTextAttributes *values,
276 static void gtk_text_view_ensure_layout (GtkTextView *text_view);
277 static void gtk_text_view_destroy_layout (GtkTextView *text_view);
278 static void gtk_text_view_check_keymap_direction (GtkTextView *text_view);
279 static void gtk_text_view_reset_im_context (GtkTextView *text_view);
280 static void gtk_text_view_start_selection_drag (GtkTextView *text_view,
281 const GtkTextIter *iter,
282 GdkEventButton *event);
283 static gboolean gtk_text_view_end_selection_drag (GtkTextView *text_view,
284 GdkEventButton *event);
285 static void gtk_text_view_start_selection_dnd (GtkTextView *text_view,
286 const GtkTextIter *iter,
287 GdkEventMotion *event);
288 static void gtk_text_view_check_cursor_blink (GtkTextView *text_view);
289 static void gtk_text_view_pend_cursor_blink (GtkTextView *text_view);
290 static void gtk_text_view_stop_cursor_blink (GtkTextView *text_view);
292 static void gtk_text_view_value_changed (GtkAdjustment *adj,
294 static void gtk_text_view_commit_handler (GtkIMContext *context,
296 GtkTextView *text_view);
297 static void gtk_text_view_commit_text (GtkTextView *text_view,
299 static void gtk_text_view_preedit_changed_handler (GtkIMContext *context,
300 GtkTextView *text_view);
301 static gboolean gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
302 GtkTextView *text_view);
303 static gboolean gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
306 GtkTextView *text_view);
308 static void gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
309 const GtkTextIter *location,
312 static void gtk_text_view_get_cursor_location (GtkTextView *text_view,
314 static void gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
317 static void gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
321 static GtkAdjustment* get_hadjustment (GtkTextView *text_view);
322 static GtkAdjustment* get_vadjustment (GtkTextView *text_view);
324 static void gtk_text_view_do_popup (GtkTextView *text_view,
325 GdkEventButton *event);
327 static void gtk_text_view_queue_scroll (GtkTextView *text_view,
329 gdouble within_margin,
334 static gboolean gtk_text_view_flush_scroll (GtkTextView *text_view);
335 static void gtk_text_view_update_adjustments (GtkTextView *text_view);
336 static void gtk_text_view_invalidate (GtkTextView *text_view);
337 static void gtk_text_view_flush_first_validate (GtkTextView *text_view);
339 static void gtk_text_view_update_im_spot_location (GtkTextView *text_view);
341 /* Container methods */
342 static void gtk_text_view_add (GtkContainer *container,
344 static void gtk_text_view_remove (GtkContainer *container,
346 static void gtk_text_view_forall (GtkContainer *container,
347 gboolean include_internals,
348 GtkCallback callback,
349 gpointer callback_data);
351 /* FIXME probably need the focus methods. */
353 typedef struct _GtkTextViewChild GtkTextViewChild;
355 struct _GtkTextViewChild
359 GtkTextChildAnchor *anchor;
361 gint from_top_of_line;
362 gint from_left_of_buffer;
364 /* These are ignored if anchor != NULL */
365 GtkTextWindowType type;
370 static GtkTextViewChild* text_view_child_new_anchored (GtkWidget *child,
371 GtkTextChildAnchor *anchor,
372 GtkTextLayout *layout);
373 static GtkTextViewChild* text_view_child_new_window (GtkWidget *child,
374 GtkTextWindowType type,
377 static void text_view_child_free (GtkTextViewChild *child);
378 static void text_view_child_set_parent_window (GtkTextView *text_view,
379 GtkTextViewChild *child);
381 struct _GtkTextWindow
383 GtkTextWindowType type;
386 GdkWindow *bin_window;
387 GtkRequisition requisition;
388 GdkRectangle allocation;
391 static GtkTextWindow *text_window_new (GtkTextWindowType type,
394 gint height_request);
395 static void text_window_free (GtkTextWindow *win);
396 static void text_window_realize (GtkTextWindow *win,
398 static void text_window_unrealize (GtkTextWindow *win);
399 static void text_window_size_allocate (GtkTextWindow *win,
401 static void text_window_scroll (GtkTextWindow *win,
404 static void text_window_invalidate_rect (GtkTextWindow *win,
407 static gint text_window_get_width (GtkTextWindow *win);
408 static gint text_window_get_height (GtkTextWindow *win);
415 TARGET_COMPOUND_TEXT,
417 TARGET_TEXT_BUFFER_CONTENTS
420 static const GtkTargetEntry target_table[] = {
421 { "GTK_TEXT_BUFFER_CONTENTS", GTK_TARGET_SAME_APP,
422 TARGET_TEXT_BUFFER_CONTENTS },
423 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
424 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
425 { "TEXT", 0, TARGET_TEXT },
426 { "STRING", 0, TARGET_STRING }
429 static GtkContainerClass *parent_class = NULL;
430 static guint signals[LAST_SIGNAL] = { 0 };
433 gtk_text_view_get_type (void)
435 static GType our_type = 0;
439 static const GTypeInfo our_info =
441 sizeof (GtkTextViewClass),
442 NULL, /* base_init */
443 NULL, /* base_finalize */
444 (GClassInitFunc) gtk_text_view_class_init,
445 NULL, /* class_finalize */
446 NULL, /* class_data */
447 sizeof (GtkTextView),
449 (GInstanceInitFunc) gtk_text_view_init,
452 our_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTextView",
460 add_move_binding (GtkBindingSet *binding_set,
463 GtkMovementStep step,
466 g_return_if_fail ((modmask & GDK_SHIFT_MASK) == 0);
468 gtk_binding_entry_add_signal (binding_set, keyval, modmask,
472 G_TYPE_BOOLEAN, FALSE);
474 /* Selection-extending version */
475 gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
479 G_TYPE_BOOLEAN, TRUE);
483 gtk_text_view_class_init (GtkTextViewClass *klass)
485 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
486 GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
487 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
488 GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
489 GtkBindingSet *binding_set;
491 parent_class = g_type_class_peek_parent (klass);
493 /* Default handlers and virtual methods
495 gobject_class->set_property = gtk_text_view_set_property;
496 gobject_class->get_property = gtk_text_view_get_property;
498 object_class->destroy = gtk_text_view_destroy;
499 gobject_class->finalize = gtk_text_view_finalize;
501 widget_class->realize = gtk_text_view_realize;
502 widget_class->unrealize = gtk_text_view_unrealize;
503 widget_class->style_set = gtk_text_view_style_set;
504 widget_class->direction_changed = gtk_text_view_direction_changed;
505 widget_class->grab_notify = gtk_text_view_grab_notify;
506 widget_class->state_changed = gtk_text_view_state_changed;
507 widget_class->size_request = gtk_text_view_size_request;
508 widget_class->size_allocate = gtk_text_view_size_allocate;
509 widget_class->event = gtk_text_view_event;
510 widget_class->key_press_event = gtk_text_view_key_press_event;
511 widget_class->key_release_event = gtk_text_view_key_release_event;
512 widget_class->button_press_event = gtk_text_view_button_press_event;
513 widget_class->button_release_event = gtk_text_view_button_release_event;
514 widget_class->focus_in_event = gtk_text_view_focus_in_event;
515 widget_class->focus_out_event = gtk_text_view_focus_out_event;
516 widget_class->motion_notify_event = gtk_text_view_motion_event;
517 widget_class->expose_event = gtk_text_view_expose_event;
518 widget_class->focus = gtk_text_view_focus;
520 widget_class->drag_begin = gtk_text_view_drag_begin;
521 widget_class->drag_end = gtk_text_view_drag_end;
522 widget_class->drag_data_get = gtk_text_view_drag_data_get;
523 widget_class->drag_data_delete = gtk_text_view_drag_data_delete;
525 widget_class->drag_leave = gtk_text_view_drag_leave;
526 widget_class->drag_motion = gtk_text_view_drag_motion;
527 widget_class->drag_drop = gtk_text_view_drag_drop;
528 widget_class->drag_data_received = gtk_text_view_drag_data_received;
530 widget_class->popup_menu = gtk_text_view_popup_menu;
532 container_class->add = gtk_text_view_add;
533 container_class->remove = gtk_text_view_remove;
534 container_class->forall = gtk_text_view_forall;
536 klass->move_cursor = gtk_text_view_move_cursor;
537 klass->page_horizontally = gtk_text_view_page_horizontally;
538 klass->set_anchor = gtk_text_view_set_anchor;
539 klass->insert_at_cursor = gtk_text_view_insert_at_cursor;
540 klass->delete_from_cursor = gtk_text_view_delete_from_cursor;
541 klass->cut_clipboard = gtk_text_view_cut_clipboard;
542 klass->copy_clipboard = gtk_text_view_copy_clipboard;
543 klass->paste_clipboard = gtk_text_view_paste_clipboard;
544 klass->toggle_overwrite = gtk_text_view_toggle_overwrite;
545 klass->move_focus = gtk_text_view_move_focus;
546 klass->set_scroll_adjustments = gtk_text_view_set_scroll_adjustments;
552 g_object_class_install_property (gobject_class,
553 PROP_PIXELS_ABOVE_LINES,
554 g_param_spec_int ("pixels_above_lines",
555 P_("Pixels Above Lines"),
556 P_("Pixels of blank space above paragraphs"),
562 g_object_class_install_property (gobject_class,
563 PROP_PIXELS_BELOW_LINES,
564 g_param_spec_int ("pixels_below_lines",
565 P_("Pixels Below Lines"),
566 P_("Pixels of blank space below paragraphs"),
572 g_object_class_install_property (gobject_class,
573 PROP_PIXELS_INSIDE_WRAP,
574 g_param_spec_int ("pixels_inside_wrap",
575 P_("Pixels Inside Wrap"),
576 P_("Pixels of blank space between wrapped lines in a paragraph"),
582 g_object_class_install_property (gobject_class,
584 g_param_spec_boolean ("editable",
586 P_("Whether the text can be modified by the user"),
590 g_object_class_install_property (gobject_class,
592 g_param_spec_enum ("wrap_mode",
594 P_("Whether to wrap lines never, at word boundaries, or at character boundaries"),
599 g_object_class_install_property (gobject_class,
601 g_param_spec_enum ("justification",
603 P_("Left, right, or center justification"),
604 GTK_TYPE_JUSTIFICATION,
608 g_object_class_install_property (gobject_class,
610 g_param_spec_int ("left_margin",
612 P_("Width of the left margin in pixels"),
618 g_object_class_install_property (gobject_class,
620 g_param_spec_int ("right_margin",
622 P_("Width of the right margin in pixels"),
628 g_object_class_install_property (gobject_class,
630 g_param_spec_int ("indent",
632 P_("Amount to indent the paragraph, in pixels"),
638 g_object_class_install_property (gobject_class,
640 g_param_spec_boxed ("tabs",
642 P_("Custom tabs for this text"),
643 PANGO_TYPE_TAB_ARRAY,
646 g_object_class_install_property (gobject_class,
648 g_param_spec_boolean ("cursor_visible",
649 P_("Cursor Visible"),
650 P_("If the insertion cursor is shown"),
654 g_object_class_install_property (gobject_class,
656 g_param_spec_object ("buffer",
658 P_("The buffer which is displayed"),
659 GTK_TYPE_TEXT_BUFFER,
662 g_object_class_install_property (gobject_class,
664 g_param_spec_boolean ("overwrite",
665 P_("Overwrite mode"),
666 P_("Whether entered text overwrites existing contents"),
670 g_object_class_install_property (gobject_class,
672 g_param_spec_boolean ("accepts_tab",
674 P_("Whether Tab will result in a tab character being entered"),
681 gtk_widget_class_install_style_property (widget_class,
682 g_param_spec_boxed ("error-underline-color",
683 P_("Error Underline Color"),
684 P_("Color with which to draw error-indication underlines"),
692 signals[MOVE_CURSOR] =
693 g_signal_new ("move_cursor",
694 G_OBJECT_CLASS_TYPE (gobject_class),
695 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
696 G_STRUCT_OFFSET (GtkTextViewClass, move_cursor),
698 _gtk_marshal_VOID__ENUM_INT_BOOLEAN,
700 GTK_TYPE_MOVEMENT_STEP,
704 signals[PAGE_HORIZONTALLY] =
705 g_signal_new ("page_horizontally",
706 G_OBJECT_CLASS_TYPE (gobject_class),
707 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
708 G_STRUCT_OFFSET (GtkTextViewClass, page_horizontally),
710 _gtk_marshal_VOID__INT_BOOLEAN,
715 signals[MOVE_VIEWPORT] =
716 _gtk_binding_signal_new ("move_viewport",
717 G_OBJECT_CLASS_TYPE (gobject_class),
718 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
719 G_CALLBACK (gtk_text_view_move_viewport),
721 _gtk_marshal_VOID__ENUM_INT,
723 GTK_TYPE_SCROLL_STEP,
726 signals[SET_ANCHOR] =
727 g_signal_new ("set_anchor",
728 G_OBJECT_CLASS_TYPE (gobject_class),
729 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
730 G_STRUCT_OFFSET (GtkTextViewClass, set_anchor),
732 _gtk_marshal_VOID__VOID,
735 signals[INSERT_AT_CURSOR] =
736 g_signal_new ("insert_at_cursor",
737 G_OBJECT_CLASS_TYPE (gobject_class),
738 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
739 G_STRUCT_OFFSET (GtkTextViewClass, insert_at_cursor),
741 _gtk_marshal_VOID__STRING,
745 signals[DELETE_FROM_CURSOR] =
746 g_signal_new ("delete_from_cursor",
747 G_OBJECT_CLASS_TYPE (gobject_class),
748 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
749 G_STRUCT_OFFSET (GtkTextViewClass, delete_from_cursor),
751 _gtk_marshal_VOID__ENUM_INT,
753 GTK_TYPE_DELETE_TYPE,
756 signals[CUT_CLIPBOARD] =
757 g_signal_new ("cut_clipboard",
758 G_OBJECT_CLASS_TYPE (gobject_class),
759 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
760 G_STRUCT_OFFSET (GtkTextViewClass, cut_clipboard),
762 _gtk_marshal_VOID__VOID,
765 signals[COPY_CLIPBOARD] =
766 g_signal_new ("copy_clipboard",
767 G_OBJECT_CLASS_TYPE (gobject_class),
768 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
769 G_STRUCT_OFFSET (GtkTextViewClass, copy_clipboard),
771 _gtk_marshal_VOID__VOID,
774 signals[PASTE_CLIPBOARD] =
775 g_signal_new ("paste_clipboard",
776 G_OBJECT_CLASS_TYPE (gobject_class),
777 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
778 G_STRUCT_OFFSET (GtkTextViewClass, paste_clipboard),
780 _gtk_marshal_VOID__VOID,
783 signals[TOGGLE_OVERWRITE] =
784 g_signal_new ("toggle_overwrite",
785 G_OBJECT_CLASS_TYPE (gobject_class),
786 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
787 G_STRUCT_OFFSET (GtkTextViewClass, toggle_overwrite),
789 _gtk_marshal_VOID__VOID,
792 signals[MOVE_FOCUS] =
793 g_signal_new ("move_focus",
794 G_OBJECT_CLASS_TYPE (gobject_class),
795 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
796 G_STRUCT_OFFSET (GtkTextViewClass, move_focus),
798 _gtk_marshal_VOID__ENUM,
800 GTK_TYPE_DIRECTION_TYPE);
802 signals[SET_SCROLL_ADJUSTMENTS] =
803 g_signal_new ("set_scroll_adjustments",
804 G_OBJECT_CLASS_TYPE (gobject_class),
805 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
806 G_STRUCT_OFFSET (GtkTextViewClass, set_scroll_adjustments),
808 _gtk_marshal_VOID__OBJECT_OBJECT,
811 GTK_TYPE_ADJUSTMENT);
812 widget_class->set_scroll_adjustments_signal = signals[SET_SCROLL_ADJUSTMENTS];
814 signals[POPULATE_POPUP] =
815 g_signal_new ("populate_popup",
816 G_OBJECT_CLASS_TYPE (gobject_class),
818 G_STRUCT_OFFSET (GtkTextViewClass, populate_popup),
820 _gtk_marshal_VOID__OBJECT,
824 signals[SELECT_ALL] =
825 _gtk_binding_signal_new ("select_all",
826 G_OBJECT_CLASS_TYPE (object_class),
827 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
828 G_CALLBACK (gtk_text_view_select_all),
830 _gtk_marshal_VOID__BOOLEAN,
832 G_TYPE_BOOLEAN, TRUE);
839 binding_set = gtk_binding_set_by_class (klass);
841 /* Moving the insertion point */
842 add_move_binding (binding_set, GDK_Right, 0,
843 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
845 add_move_binding (binding_set, GDK_KP_Right, 0,
846 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
848 add_move_binding (binding_set, GDK_Left, 0,
849 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
851 add_move_binding (binding_set, GDK_KP_Left, 0,
852 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
854 add_move_binding (binding_set, GDK_Right, GDK_CONTROL_MASK,
855 GTK_MOVEMENT_WORDS, 1);
857 add_move_binding (binding_set, GDK_KP_Right, GDK_CONTROL_MASK,
858 GTK_MOVEMENT_WORDS, 1);
860 add_move_binding (binding_set, GDK_Left, GDK_CONTROL_MASK,
861 GTK_MOVEMENT_WORDS, -1);
863 add_move_binding (binding_set, GDK_KP_Left, GDK_CONTROL_MASK,
864 GTK_MOVEMENT_WORDS, 1);
866 add_move_binding (binding_set, GDK_Up, 0,
867 GTK_MOVEMENT_DISPLAY_LINES, -1);
869 add_move_binding (binding_set, GDK_KP_Up, 0,
870 GTK_MOVEMENT_DISPLAY_LINES, -1);
872 add_move_binding (binding_set, GDK_Down, 0,
873 GTK_MOVEMENT_DISPLAY_LINES, 1);
875 add_move_binding (binding_set, GDK_KP_Down, 0,
876 GTK_MOVEMENT_DISPLAY_LINES, 1);
878 add_move_binding (binding_set, GDK_Up, GDK_CONTROL_MASK,
879 GTK_MOVEMENT_PARAGRAPHS, -1);
881 add_move_binding (binding_set, GDK_KP_Up, GDK_CONTROL_MASK,
882 GTK_MOVEMENT_PARAGRAPHS, -1);
884 add_move_binding (binding_set, GDK_Down, GDK_CONTROL_MASK,
885 GTK_MOVEMENT_PARAGRAPHS, 1);
887 add_move_binding (binding_set, GDK_KP_Down, GDK_CONTROL_MASK,
888 GTK_MOVEMENT_PARAGRAPHS, 1);
890 add_move_binding (binding_set, GDK_Home, 0,
891 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
893 add_move_binding (binding_set, GDK_KP_Home, 0,
894 GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
896 add_move_binding (binding_set, GDK_End, 0,
897 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
899 add_move_binding (binding_set, GDK_KP_End, 0,
900 GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
902 add_move_binding (binding_set, GDK_Home, GDK_CONTROL_MASK,
903 GTK_MOVEMENT_BUFFER_ENDS, -1);
905 add_move_binding (binding_set, GDK_KP_Home, GDK_CONTROL_MASK,
906 GTK_MOVEMENT_BUFFER_ENDS, -1);
908 add_move_binding (binding_set, GDK_End, GDK_CONTROL_MASK,
909 GTK_MOVEMENT_BUFFER_ENDS, 1);
911 add_move_binding (binding_set, GDK_KP_End, GDK_CONTROL_MASK,
912 GTK_MOVEMENT_BUFFER_ENDS, 1);
914 add_move_binding (binding_set, GDK_Page_Up, 0,
915 GTK_MOVEMENT_PAGES, -1);
917 add_move_binding (binding_set, GDK_KP_Page_Up, 0,
918 GTK_MOVEMENT_PAGES, -1);
920 add_move_binding (binding_set, GDK_Page_Down, 0,
921 GTK_MOVEMENT_PAGES, 1);
923 add_move_binding (binding_set, GDK_KP_Page_Down, 0,
924 GTK_MOVEMENT_PAGES, 1);
926 add_move_binding (binding_set, GDK_Page_Up, GDK_CONTROL_MASK,
927 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
929 add_move_binding (binding_set, GDK_KP_Page_Up, GDK_CONTROL_MASK,
930 GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
932 add_move_binding (binding_set, GDK_Page_Down, GDK_CONTROL_MASK,
933 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
935 add_move_binding (binding_set, GDK_KP_Page_Down, GDK_CONTROL_MASK,
936 GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
939 gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK,
941 G_TYPE_BOOLEAN, TRUE);
943 gtk_binding_entry_add_signal (binding_set, GDK_slash, GDK_CONTROL_MASK,
945 G_TYPE_BOOLEAN, TRUE);
948 gtk_binding_entry_add_signal (binding_set, GDK_backslash, GDK_CONTROL_MASK,
950 G_TYPE_BOOLEAN, FALSE);
953 gtk_binding_entry_add_signal (binding_set, GDK_Delete, 0,
954 "delete_from_cursor", 2,
955 G_TYPE_ENUM, GTK_DELETE_CHARS,
958 gtk_binding_entry_add_signal (binding_set, GDK_KP_Delete, 0,
959 "delete_from_cursor", 2,
960 G_TYPE_ENUM, GTK_DELETE_CHARS,
963 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
964 "delete_from_cursor", 2,
965 G_TYPE_ENUM, GTK_DELETE_CHARS,
968 /* Make this do the same as Backspace, to help with mis-typing */
969 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_SHIFT_MASK,
970 "delete_from_cursor", 2,
971 G_TYPE_ENUM, GTK_DELETE_CHARS,
974 gtk_binding_entry_add_signal (binding_set, GDK_Delete, GDK_CONTROL_MASK,
975 "delete_from_cursor", 2,
976 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
979 gtk_binding_entry_add_signal (binding_set, GDK_KP_Delete, GDK_CONTROL_MASK,
980 "delete_from_cursor", 2,
981 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
984 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, GDK_CONTROL_MASK,
985 "delete_from_cursor", 2,
986 G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
991 gtk_binding_entry_add_signal (binding_set, GDK_x, GDK_CONTROL_MASK,
993 gtk_binding_entry_add_signal (binding_set, GDK_c, GDK_CONTROL_MASK,
994 "copy_clipboard", 0);
995 gtk_binding_entry_add_signal (binding_set, GDK_v, GDK_CONTROL_MASK,
996 "paste_clipboard", 0);
998 gtk_binding_entry_add_signal (binding_set, GDK_Delete, GDK_SHIFT_MASK,
1000 gtk_binding_entry_add_signal (binding_set, GDK_Insert, GDK_CONTROL_MASK,
1001 "copy_clipboard", 0);
1002 gtk_binding_entry_add_signal (binding_set, GDK_Insert, GDK_SHIFT_MASK,
1003 "paste_clipboard", 0);
1006 gtk_binding_entry_add_signal (binding_set, GDK_Insert, 0,
1007 "toggle_overwrite", 0);
1008 gtk_binding_entry_add_signal (binding_set, GDK_KP_Insert, 0,
1009 "toggle_overwrite", 0);
1011 /* Control-tab focus motion */
1012 gtk_binding_entry_add_signal (binding_set, GDK_Tab, GDK_CONTROL_MASK,
1014 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1015 gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, GDK_CONTROL_MASK,
1017 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
1019 gtk_binding_entry_add_signal (binding_set, GDK_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1021 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1022 gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
1024 GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
1028 gtk_text_view_init (GtkTextView *text_view)
1032 widget = GTK_WIDGET (text_view);
1034 GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
1036 /* Set up default style */
1037 text_view->wrap_mode = GTK_WRAP_NONE;
1038 text_view->pixels_above_lines = 0;
1039 text_view->pixels_below_lines = 0;
1040 text_view->pixels_inside_wrap = 0;
1041 text_view->justify = GTK_JUSTIFY_LEFT;
1042 text_view->left_margin = 0;
1043 text_view->right_margin = 0;
1044 text_view->indent = 0;
1045 text_view->tabs = NULL;
1046 text_view->editable = TRUE;
1048 gtk_drag_dest_set (widget,
1050 target_table, G_N_ELEMENTS (target_table),
1051 GDK_ACTION_COPY | GDK_ACTION_MOVE);
1053 text_view->virtual_cursor_x = -1;
1054 text_view->virtual_cursor_y = -1;
1056 /* This object is completely private. No external entity can gain a reference
1057 * to it; so we create it here and destroy it in finalize ().
1059 text_view->im_context = gtk_im_multicontext_new ();
1061 g_signal_connect (text_view->im_context, "commit",
1062 G_CALLBACK (gtk_text_view_commit_handler), text_view);
1063 g_signal_connect (text_view->im_context, "preedit_changed",
1064 G_CALLBACK (gtk_text_view_preedit_changed_handler), text_view);
1065 g_signal_connect (text_view->im_context, "retrieve_surrounding",
1066 G_CALLBACK (gtk_text_view_retrieve_surrounding_handler), text_view);
1067 g_signal_connect (text_view->im_context, "delete_surrounding",
1068 G_CALLBACK (gtk_text_view_delete_surrounding_handler), text_view);
1070 text_view->cursor_visible = TRUE;
1072 text_view->accepts_tab = TRUE;
1074 text_view->text_window = text_window_new (GTK_TEXT_WINDOW_TEXT,
1077 text_view->drag_start_x = -1;
1078 text_view->drag_start_y = -1;
1080 text_view->pending_place_cursor_button = 0;
1082 /* We handle all our own redrawing */
1083 gtk_widget_set_redraw_on_allocate (widget, FALSE);
1087 * gtk_text_view_new:
1089 * Creates a new #GtkTextView. If you don't call gtk_text_view_set_buffer()
1090 * before using the text view, an empty default buffer will be created
1091 * for you. Get the buffer with gtk_text_view_get_buffer(). If you want
1092 * to specify your own buffer, consider gtk_text_view_new_with_buffer().
1094 * Return value: a new #GtkTextView
1097 gtk_text_view_new (void)
1099 return g_object_new (GTK_TYPE_TEXT_VIEW, NULL);
1103 * gtk_text_view_new_with_buffer:
1104 * @buffer: a #GtkTextBuffer
1106 * Creates a new #GtkTextView widget displaying the buffer
1107 * @buffer. One buffer can be shared among many widgets.
1108 * @buffer may be NULL to create a default buffer, in which case
1109 * this function is equivalent to gtk_text_view_new(). The
1110 * text view adds its own reference count to the buffer; it does not
1111 * take over an existing reference.
1113 * Return value: a new #GtkTextView.
1116 gtk_text_view_new_with_buffer (GtkTextBuffer *buffer)
1118 GtkTextView *text_view;
1120 text_view = (GtkTextView*)gtk_text_view_new ();
1122 gtk_text_view_set_buffer (text_view, buffer);
1124 return GTK_WIDGET (text_view);
1128 * gtk_text_view_set_buffer:
1129 * @text_view: a #GtkTextView
1130 * @buffer: a #GtkTextBuffer
1132 * Sets @buffer as the buffer being displayed by @text_view. The previous
1133 * buffer displayed by the text view is unreferenced, and a reference is
1134 * added to @buffer. If you owned a reference to @buffer before passing it
1135 * to this function, you must remove that reference yourself; #GtkTextView
1136 * will not "adopt" it.
1140 gtk_text_view_set_buffer (GtkTextView *text_view,
1141 GtkTextBuffer *buffer)
1143 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1144 g_return_if_fail (buffer == NULL || GTK_IS_TEXT_BUFFER (buffer));
1146 if (text_view->buffer == buffer)
1149 if (text_view->buffer != NULL)
1151 /* Destroy all anchored children */
1155 copy = g_slist_copy (text_view->children);
1157 while (tmp_list != NULL)
1159 GtkTextViewChild *vc = tmp_list->data;
1163 gtk_widget_destroy (vc->widget);
1164 /* vc may now be invalid! */
1167 tmp_list = g_slist_next (tmp_list);
1170 g_slist_free (copy);
1172 g_signal_handlers_disconnect_by_func (text_view->buffer,
1173 gtk_text_view_mark_set_handler,
1175 g_object_unref (text_view->buffer);
1176 text_view->dnd_mark = NULL;
1178 if (GTK_WIDGET_REALIZED (text_view))
1180 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1181 GDK_SELECTION_PRIMARY);
1182 gtk_text_buffer_remove_selection_clipboard (text_view->buffer, clipboard);
1186 text_view->buffer = buffer;
1192 g_object_ref (buffer);
1194 if (text_view->layout)
1195 gtk_text_layout_set_buffer (text_view->layout, buffer);
1197 gtk_text_buffer_get_iter_at_offset (text_view->buffer, &start, 0);
1199 text_view->dnd_mark = gtk_text_buffer_create_mark (text_view->buffer,
1203 text_view->first_para_mark = gtk_text_buffer_create_mark (text_view->buffer,
1207 text_view->first_para_pixels = 0;
1209 g_signal_connect (text_view->buffer, "mark_set",
1210 G_CALLBACK (gtk_text_view_mark_set_handler), text_view);
1212 if (GTK_WIDGET_REALIZED (text_view))
1214 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
1215 GDK_SELECTION_PRIMARY);
1216 gtk_text_buffer_add_selection_clipboard (text_view->buffer, clipboard);
1220 g_object_notify (G_OBJECT (text_view), "buffer");
1222 if (GTK_WIDGET_VISIBLE (text_view))
1223 gtk_widget_queue_draw (GTK_WIDGET (text_view));
1225 DV(g_print ("Invalidating due to set_buffer\n"));
1226 gtk_text_view_invalidate (text_view);
1229 static GtkTextBuffer*
1230 get_buffer (GtkTextView *text_view)
1232 if (text_view->buffer == NULL)
1235 b = gtk_text_buffer_new (NULL);
1236 gtk_text_view_set_buffer (text_view, b);
1240 return text_view->buffer;
1244 * gtk_text_view_get_buffer:
1245 * @text_view: a #GtkTextView
1247 * Returns the #GtkTextBuffer being displayed by this text view.
1248 * The reference count on the buffer is not incremented; the caller
1249 * of this function won't own a new reference.
1251 * Return value: a #GtkTextBuffer
1254 gtk_text_view_get_buffer (GtkTextView *text_view)
1256 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
1258 return get_buffer (text_view);
1262 * gtk_text_view_get_iter_at_location:
1263 * @text_view: a #GtkTextView
1264 * @iter: a #GtkTextIter
1265 * @x: x position, in buffer coordinates
1266 * @y: y position, in buffer coordinates
1268 * Retrieves the iterator at buffer coordinates @x and @y. Buffer
1269 * coordinates are coordinates for the entire buffer, not just the
1270 * currently-displayed portion. If you have coordinates from an
1271 * event, you have to convert those to buffer coordinates with
1272 * gtk_text_view_window_to_buffer_coords().
1276 gtk_text_view_get_iter_at_location (GtkTextView *text_view,
1281 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1282 g_return_if_fail (iter != NULL);
1284 gtk_text_view_ensure_layout (text_view);
1286 gtk_text_layout_get_iter_at_pixel (text_view->layout,
1293 * gtk_text_view_get_iter_location:
1294 * @text_view: a #GtkTextView
1295 * @iter: a #GtkTextIter
1296 * @location: bounds of the character at @iter
1298 * Gets a rectangle which roughly contains the character at @iter.
1299 * The rectangle position is in buffer coordinates; use
1300 * gtk_text_view_buffer_to_window_coords() to convert these
1301 * coordinates to coordinates for one of the windows in the text view.
1305 gtk_text_view_get_iter_location (GtkTextView *text_view,
1306 const GtkTextIter *iter,
1307 GdkRectangle *location)
1309 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1310 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1312 gtk_text_view_ensure_layout (text_view);
1314 gtk_text_layout_get_iter_location (text_view->layout, iter, location);
1318 * gtk_text_view_get_line_yrange:
1319 * @text_view: a #GtkTextView
1320 * @iter: a #GtkTextIter
1321 * @y: return location for a y coordinate
1322 * @height: return location for a height
1324 * Gets the y coordinate of the top of the line containing @iter,
1325 * and the height of the line. The coordinate is a buffer coordinate;
1326 * convert to window coordinates with gtk_text_view_buffer_to_window_coords().
1330 gtk_text_view_get_line_yrange (GtkTextView *text_view,
1331 const GtkTextIter *iter,
1335 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1336 g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
1338 gtk_text_view_ensure_layout (text_view);
1340 gtk_text_layout_get_line_yrange (text_view->layout,
1347 * gtk_text_view_get_line_at_y:
1348 * @text_view: a #GtkTextView
1349 * @target_iter: a #GtkTextIter
1350 * @y: a y coordinate
1351 * @line_top: return location for top coordinate of the line
1353 * Gets the #GtkTextIter at the start of the line containing
1354 * the coordinate @y. @y is in buffer coordinates, convert from
1355 * window coordinates with gtk_text_view_window_to_buffer_coords().
1356 * If non-%NULL, @line_top will be filled with the coordinate of the top
1360 gtk_text_view_get_line_at_y (GtkTextView *text_view,
1361 GtkTextIter *target_iter,
1365 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1367 gtk_text_view_ensure_layout (text_view);
1369 gtk_text_layout_get_line_at_y (text_view->layout,
1376 set_adjustment_clamped (GtkAdjustment *adj, gdouble val)
1378 DV (g_print (" Setting adj to raw value %g\n", val));
1380 /* We don't really want to clamp to upper; we want to clamp to
1381 upper - page_size which is the highest value the scrollbar
1382 will let us reach. */
1383 if (val > (adj->upper - adj->page_size))
1384 val = adj->upper - adj->page_size;
1386 if (val < adj->lower)
1389 if (val != adj->value)
1391 DV (g_print (" Setting adj to clamped value %g\n", val));
1392 gtk_adjustment_set_value (adj, val);
1400 * gtk_text_view_scroll_to_iter:
1401 * @text_view: a #GtkTextView
1402 * @iter: a #GtkTextIter
1403 * @within_margin: margin as a [0.0,0.5) fraction of screen size
1404 * @use_align: whether to use alignment arguments (if %FALSE, just get the mark onscreen)
1405 * @xalign: horizontal alignment of mark within visible area.
1406 * @yalign: vertical alignment of mark within visible area
1408 * Scrolls @text_view so that @iter is on the screen in the position
1409 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
1410 * left or top, 1.0 indicates right or bottom, 0.5 means center. If @use_align
1411 * is %FALSE, the text scrolls the minimal distance to get the mark onscreen,
1412 * possibly not scrolling at all. The effective screen for purposes
1413 * of this function is reduced by a margin of size @within_margin.
1414 * NOTE: This function uses the currently-computed height of the
1415 * lines in the text buffer. Note that line heights are computed
1416 * in an idle handler; so this function may not have the desired effect
1417 * if it's called before the height computations. To avoid oddness,
1418 * consider using gtk_text_view_scroll_to_mark() which saves a point
1419 * to be scrolled to after line validation.
1421 * Return value: %TRUE if scrolling occurred
1424 gtk_text_view_scroll_to_iter (GtkTextView *text_view,
1426 gdouble within_margin,
1432 GdkRectangle screen;
1437 gboolean retval = FALSE;
1439 gint screen_xoffset, screen_yoffset;
1440 gint current_x_scroll, current_y_scroll;
1442 /* FIXME why don't we do the validate-at-scroll-destination thing
1443 * from flush_scroll in this function? I think it wasn't done before
1444 * because changed_handler was screwed up, but I could be wrong.
1447 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
1448 g_return_val_if_fail (iter != NULL, FALSE);
1449 g_return_val_if_fail (within_margin >= 0.0 && within_margin < 0.5, FALSE);
1450 g_return_val_if_fail (xalign >= 0.0 && xalign <= 1.0, FALSE);
1451 g_return_val_if_fail (yalign >= 0.0 && yalign <= 1.0, FALSE);
1453 widget = GTK_WIDGET (text_view);
1455 DV(g_print(G_STRLOC"\n"));
1457 gtk_text_layout_get_iter_location (text_view->layout,
1461 DV (g_print (" target rect %d,%d %d x %d\n", rect.x, rect.y, rect.width, rect.height));
1463 current_x_scroll = text_view->xoffset;
1464 current_y_scroll = text_view->yoffset;
1466 screen.x = current_x_scroll;
1467 screen.y = current_y_scroll;
1468 screen.width = SCREEN_WIDTH (widget);
1469 screen.height = SCREEN_HEIGHT (widget);
1471 screen_xoffset = screen.width * within_margin;
1472 screen_yoffset = screen.height * within_margin;
1474 screen.x += screen_xoffset;
1475 screen.y += screen_yoffset;
1476 screen.width -= screen_xoffset * 2;
1477 screen.height -= screen_yoffset * 2;
1479 /* paranoia check */
1480 if (screen.width < 1)
1482 if (screen.height < 1)
1485 /* The -1 here ensures that we leave enough space to draw the cursor
1486 * when this function is used for horizontal scrolling.
1488 screen_right = screen.x + screen.width - 1;
1489 screen_bottom = screen.y + screen.height;
1491 /* The alignment affects the point in the target character that we
1492 * choose to align. If we're doing right/bottom alignment, we align
1493 * the right/bottom edge of the character the mark is at; if we're
1494 * doing left/top we align the left/top edge of the character; if
1495 * we're doing center alignment we align the center of the
1499 /* Vertical scroll */
1502 scroll_dest = current_y_scroll;
1506 scroll_dest = rect.y + (rect.height * yalign) - (screen.height * yalign);
1508 /* if scroll_dest < screen.y, we move a negative increment (up),
1509 * else a positive increment (down)
1511 scroll_inc = scroll_dest - screen.y + screen_yoffset;
1515 /* move minimum to get onscreen */
1516 if (rect.y < screen.y)
1518 scroll_dest = rect.y;
1519 scroll_inc = scroll_dest - screen.y - screen_yoffset;
1521 else if ((rect.y + rect.height) > screen_bottom)
1523 scroll_dest = rect.y + rect.height;
1524 scroll_inc = scroll_dest - screen_bottom + screen_yoffset;
1528 if (scroll_inc != 0)
1530 retval = set_adjustment_clamped (get_vadjustment (text_view),
1531 current_y_scroll + scroll_inc);
1533 DV (g_print (" vert increment %d\n", scroll_inc));
1536 /* Horizontal scroll */
1539 scroll_dest = current_x_scroll;
1543 scroll_dest = rect.x + (rect.width * xalign) - (screen.width * xalign);
1545 /* if scroll_dest < screen.y, we move a negative increment (left),
1546 * else a positive increment (right)
1548 scroll_inc = scroll_dest - screen.x + screen_xoffset;
1552 /* move minimum to get onscreen */
1553 if (rect.x < screen.x)
1555 scroll_dest = rect.x;
1556 scroll_inc = scroll_dest - screen.x - screen_xoffset;
1558 else if ((rect.x + rect.width) > screen_right)
1560 scroll_dest = rect.x + rect.width;
1561 scroll_inc = scroll_dest - screen_right + screen_xoffset;
1565 if (scroll_inc != 0)
1567 retval = set_adjustment_clamped (get_hadjustment (text_view),
1568 current_x_scroll + scroll_inc);
1570 DV (g_print (" horiz increment %d\n", scroll_inc));
1574 DV(g_print (">Actually scrolled ("G_STRLOC")\n"));
1576 DV(g_print (">Didn't end up scrolling ("G_STRLOC")\n"));
1582 free_pending_scroll (GtkTextPendingScroll *scroll)
1584 if (!gtk_text_mark_get_deleted (scroll->mark))
1585 gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (scroll->mark),
1587 g_object_unref (scroll->mark);
1592 cancel_pending_scroll (GtkTextView *text_view)
1594 if (text_view->pending_scroll)
1596 free_pending_scroll (text_view->pending_scroll);
1597 text_view->pending_scroll = NULL;
1602 gtk_text_view_queue_scroll (GtkTextView *text_view,
1604 gdouble within_margin,
1610 GtkTextPendingScroll *scroll;
1612 DV(g_print(G_STRLOC"\n"));
1614 scroll = g_new (GtkTextPendingScroll, 1);
1616 scroll->within_margin = within_margin;
1617 scroll->use_align = use_align;
1618 scroll->xalign = xalign;
1619 scroll->yalign = yalign;
1621 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
1623 scroll->mark = gtk_text_buffer_create_mark (get_buffer (text_view),
1626 gtk_text_mark_get_left_gravity (mark));
1628 g_object_ref (scroll->mark);
1630 cancel_pending_scroll (text_view);
1632 text_view->pending_scroll = scroll;
1636 gtk_text_view_flush_scroll (GtkTextView *text_view)
1639 GtkTextPendingScroll *scroll;
1643 widget = GTK_WIDGET (text_view);
1645 DV(g_print(G_STRLOC"\n"));
1647 if (text_view->pending_scroll == NULL)
1649 DV (g_print ("in flush scroll, no pending scroll\n"));
1653 scroll = text_view->pending_scroll;
1655 /* avoid recursion */
1656 text_view->pending_scroll = NULL;
1658 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, scroll->mark);
1660 /* Validate area around the scroll destination, so the adjustment
1661 * can meaningfully point into that area. We must validate
1662 * enough area to be sure that after we scroll, everything onscreen
1663 * is valid; otherwise, validation will maintain the first para
1664 * in one place, but may push the target iter off the bottom of
1667 DV(g_print (">Validating scroll destination ("G_STRLOC")\n"));
1668 gtk_text_layout_validate_yrange (text_view->layout, &iter,
1669 - (widget->allocation.height * 2),
1670 widget->allocation.height * 2);
1672 DV(g_print (">Done validating scroll destination ("G_STRLOC")\n"));
1674 /* Ensure we have updated width/height */
1675 gtk_text_view_update_adjustments (text_view);
1677 retval = gtk_text_view_scroll_to_iter (text_view,
1679 scroll->within_margin,
1684 free_pending_scroll (scroll);
1690 gtk_text_view_set_adjustment_upper (GtkAdjustment *adj, gdouble upper)
1692 if (upper != adj->upper)
1694 gdouble min = MAX (0.0, upper - adj->page_size);
1695 gboolean value_changed = FALSE;
1699 if (adj->value > min)
1702 value_changed = TRUE;
1705 gtk_adjustment_changed (adj);
1706 DV(g_print(">Changed adj upper to %g ("G_STRLOC")\n", upper));
1710 DV(g_print(">Changed adj value because upper decreased ("G_STRLOC")\n"));
1711 gtk_adjustment_value_changed (adj);
1717 gtk_text_view_update_adjustments (GtkTextView *text_view)
1719 gint width = 0, height = 0;
1721 DV(g_print(">Updating adjustments ("G_STRLOC")\n"));
1723 if (text_view->layout)
1724 gtk_text_layout_get_size (text_view->layout, &width, &height);
1726 /* Make room for the cursor after the last character in the widest line */
1727 width += SPACE_FOR_CURSOR;
1729 if (text_view->width != width || text_view->height != height)
1731 text_view->width = width;
1732 text_view->height = height;
1734 gtk_text_view_set_adjustment_upper (get_hadjustment (text_view),
1735 MAX (SCREEN_WIDTH (text_view), width));
1736 gtk_text_view_set_adjustment_upper (get_vadjustment (text_view),
1737 MAX (SCREEN_HEIGHT (text_view), height));
1739 /* hadj/vadj exist since we called get_hadjustment/get_vadjustment above */
1741 /* Set up the step sizes; we'll say that a page is
1742 our allocation minus one step, and a step is
1743 1/10 of our allocation. */
1744 text_view->hadjustment->step_increment =
1745 SCREEN_WIDTH (text_view) / 10.0;
1746 text_view->hadjustment->page_increment =
1747 SCREEN_WIDTH (text_view) * 0.9;
1749 text_view->vadjustment->step_increment =
1750 SCREEN_HEIGHT (text_view) / 10.0;
1751 text_view->vadjustment->page_increment =
1752 SCREEN_HEIGHT (text_view) * 0.9;
1754 gtk_adjustment_changed (get_hadjustment (text_view));
1755 gtk_adjustment_changed (get_vadjustment (text_view));
1760 gtk_text_view_update_layout_width (GtkTextView *text_view)
1762 DV(g_print(">Updating layout width ("G_STRLOC")\n"));
1764 gtk_text_view_ensure_layout (text_view);
1766 gtk_text_layout_set_screen_width (text_view->layout,
1767 MAX (1, SCREEN_WIDTH (text_view) - SPACE_FOR_CURSOR));
1771 gtk_text_view_update_im_spot_location (GtkTextView *text_view)
1775 if (text_view->layout == NULL)
1778 gtk_text_view_get_cursor_location (text_view, &area);
1780 area.x -= text_view->xoffset;
1781 area.y -= text_view->yoffset;
1783 /* Width returned by Pango indicates direction of cursor,
1784 * by it's sign more than the size of cursor.
1788 gtk_im_context_set_cursor_location (text_view->im_context, &area);
1792 * gtk_text_view_scroll_to_mark:
1793 * @text_view: a #GtkTextView
1794 * @mark: a #GtkTextMark
1795 * @within_margin: margin as a [0.0,0.5) fraction of screen size
1796 * @use_align: whether to use alignment arguments (if %FALSE, just get the mark onscreen)
1797 * @xalign: horizontal alignment of mark within visible area.
1798 * @yalign: vertical alignment of mark within visible area
1800 * Scrolls @text_view so that @mark is on the screen in the position
1801 * indicated by @xalign and @yalign. An alignment of 0.0 indicates
1802 * left or top, 1.0 indicates right or bottom, 0.5 means center. If @use_align
1803 * is %FALSE, the text scrolls the minimal distance to get the mark onscreen,
1804 * possibly not scrolling at all. The effective screen for purposes
1805 * of this function is reduced by a margin of size @within_margin.
1809 gtk_text_view_scroll_to_mark (GtkTextView *text_view,
1811 gdouble within_margin,
1816 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1817 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
1818 g_return_if_fail (within_margin >= 0.0 && within_margin < 0.5);
1819 g_return_if_fail (xalign >= 0.0 && xalign <= 1.0);
1820 g_return_if_fail (yalign >= 0.0 && yalign <= 1.0);
1822 gtk_text_view_queue_scroll (text_view, mark,
1828 /* If no validation is pending, we need to go ahead and force an
1831 if (text_view->layout &&
1832 gtk_text_layout_is_valid (text_view->layout))
1833 gtk_text_view_flush_scroll (text_view);
1837 * gtk_text_view_scroll_mark_onscreen:
1838 * @text_view: a #GtkTextView
1839 * @mark: a mark in the buffer for @text_view
1841 * Scrolls @text_view the minimum distance such that @mark is contained
1842 * within the visible area of the widget.
1846 gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
1849 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1850 g_return_if_fail (GTK_IS_TEXT_MARK (mark));
1852 gtk_text_view_scroll_to_mark (text_view, mark, 0.0, FALSE, 0.0, 0.0);
1856 clamp_iter_onscreen (GtkTextView *text_view, GtkTextIter *iter)
1858 GdkRectangle visible_rect;
1859 gtk_text_view_get_visible_rect (text_view, &visible_rect);
1861 return gtk_text_layout_clamp_iter_to_vrange (text_view->layout, iter,
1863 visible_rect.y + visible_rect.height);
1867 * gtk_text_view_move_mark_onscreen:
1868 * @text_view: a #GtkTextView
1869 * @mark: a #GtkTextMark
1871 * Moves a mark within the buffer so that it's
1872 * located within the currently-visible text area.
1874 * Return value: %TRUE if the mark moved (wasn't already onscreen)
1877 gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
1882 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
1883 g_return_val_if_fail (mark != NULL, FALSE);
1885 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
1887 if (clamp_iter_onscreen (text_view, &iter))
1889 gtk_text_buffer_move_mark (get_buffer (text_view), mark, &iter);
1897 * gtk_text_view_get_visible_rect:
1898 * @text_view: a #GtkTextView
1899 * @visible_rect: rectangle to fill
1901 * Fills @visible_rect with the currently-visible
1902 * region of the buffer, in buffer coordinates. Convert to window coordinates
1903 * with gtk_text_view_buffer_to_window_coords().
1906 gtk_text_view_get_visible_rect (GtkTextView *text_view,
1907 GdkRectangle *visible_rect)
1911 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1913 widget = GTK_WIDGET (text_view);
1917 visible_rect->x = text_view->xoffset;
1918 visible_rect->y = text_view->yoffset;
1919 visible_rect->width = SCREEN_WIDTH (widget);
1920 visible_rect->height = SCREEN_HEIGHT (widget);
1922 DV(g_print(" visible rect: %d,%d %d x %d\n",
1925 visible_rect->width,
1926 visible_rect->height));
1931 * gtk_text_view_set_wrap_mode:
1932 * @text_view: a #GtkTextView
1933 * @wrap_mode: a #GtkWrapMode
1935 * Sets the line wrapping for the view.
1938 gtk_text_view_set_wrap_mode (GtkTextView *text_view,
1939 GtkWrapMode wrap_mode)
1941 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1943 if (text_view->wrap_mode != wrap_mode)
1945 text_view->wrap_mode = wrap_mode;
1947 if (text_view->layout)
1949 text_view->layout->default_style->wrap_mode = wrap_mode;
1950 gtk_text_layout_default_style_changed (text_view->layout);
1954 g_object_notify (G_OBJECT (text_view), "wrap_mode");
1958 * gtk_text_view_get_wrap_mode:
1959 * @text_view: a #GtkTextView
1961 * Gets the line wrapping for the view.
1963 * Return value: the line wrap setting
1966 gtk_text_view_get_wrap_mode (GtkTextView *text_view)
1968 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_WRAP_NONE);
1970 return text_view->wrap_mode;
1974 * gtk_text_view_set_editable:
1975 * @text_view: a #GtkTextView
1976 * @setting: whether it's editable
1978 * Sets the default editability of the #GtkTextView. You can override
1979 * this default setting with tags in the buffer, using the "editable"
1980 * attribute of tags.
1983 gtk_text_view_set_editable (GtkTextView *text_view,
1986 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
1987 setting = setting != FALSE;
1989 if (text_view->editable != setting)
1991 text_view->editable = setting;
1993 if (text_view->layout)
1995 text_view->layout->default_style->editable = text_view->editable;
1996 gtk_text_layout_default_style_changed (text_view->layout);
1999 g_object_notify (G_OBJECT (text_view), "editable");
2004 * gtk_text_view_get_editable:
2005 * @text_view: a #GtkTextView
2007 * Returns the default editability of the #GtkTextView. Tags in the
2008 * buffer may override this setting for some ranges of text.
2010 * Return value: whether text is editable by default
2013 gtk_text_view_get_editable (GtkTextView *text_view)
2015 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2017 return text_view->editable;
2021 * gtk_text_view_set_pixels_above_lines:
2022 * @text_view: a #GtkTextView
2023 * @pixels_above_lines: pixels above paragraphs
2025 * Sets the default number of blank pixels above paragraphs in @text_view.
2026 * Tags in the buffer for @text_view may override the defaults.
2030 gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
2031 gint pixels_above_lines)
2033 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2035 if (text_view->pixels_above_lines != pixels_above_lines)
2037 text_view->pixels_above_lines = pixels_above_lines;
2039 if (text_view->layout)
2041 text_view->layout->default_style->pixels_above_lines = pixels_above_lines;
2042 gtk_text_layout_default_style_changed (text_view->layout);
2045 g_object_notify (G_OBJECT (text_view), "pixels_above_lines");
2050 * gtk_text_view_get_pixels_above_lines:
2051 * @text_view: a #GtkTextView
2053 * Gets the default number of pixels to put above paragraphs.
2055 * Return value: default number of pixels above paragraphs
2058 gtk_text_view_get_pixels_above_lines (GtkTextView *text_view)
2060 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2062 return text_view->pixels_above_lines;
2066 * gtk_text_view_set_pixels_below_lines:
2067 * @text_view: a #GtkTextView
2068 * @pixels_below_lines: pixels below paragraphs
2070 * Sets the default number of pixels of blank space
2071 * to put below paragraphs in @text_view. May be overridden
2072 * by tags applied to @text_view's buffer.
2076 gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
2077 gint pixels_below_lines)
2079 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2081 if (text_view->pixels_below_lines != pixels_below_lines)
2083 text_view->pixels_below_lines = pixels_below_lines;
2085 if (text_view->layout)
2087 text_view->layout->default_style->pixels_below_lines = pixels_below_lines;
2088 gtk_text_layout_default_style_changed (text_view->layout);
2091 g_object_notify (G_OBJECT (text_view), "pixels_below_lines");
2096 * gtk_text_view_get_pixels_below_lines:
2097 * @text_view: a #GtkTextView
2099 * Gets the value set by gtk_text_view_set_pixels_below_lines().
2101 * Return value: default number of blank pixels below paragraphs
2104 gtk_text_view_get_pixels_below_lines (GtkTextView *text_view)
2106 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2108 return text_view->pixels_below_lines;
2112 * gtk_text_view_set_pixels_inside_wrap:
2113 * @text_view: a #GtkTextView
2114 * @pixels_inside_wrap: default number of pixels between wrapped lines
2116 * Sets the default number of pixels of blank space to leave between
2117 * display/wrapped lines within a paragraph. May be overridden by
2118 * tags in @text_view's buffer.
2122 gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
2123 gint pixels_inside_wrap)
2125 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2127 if (text_view->pixels_inside_wrap != pixels_inside_wrap)
2129 text_view->pixels_inside_wrap = pixels_inside_wrap;
2131 if (text_view->layout)
2133 text_view->layout->default_style->pixels_inside_wrap = pixels_inside_wrap;
2134 gtk_text_layout_default_style_changed (text_view->layout);
2137 g_object_notify (G_OBJECT (text_view), "pixels_inside_wrap");
2142 * gtk_text_view_get_pixels_inside_wrap:
2143 * @text_view: a #GtkTextView
2145 * Gets the value set by gtk_text_view_set_pixels_inside_wrap().
2147 * Return value: default number of pixels of blank space between wrapped lines
2150 gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view)
2152 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2154 return text_view->pixels_inside_wrap;
2158 * gtk_text_view_set_justification:
2159 * @text_view: a #GtkTextView
2160 * @justification: justification
2162 * Sets the default justification of text in @text_view.
2163 * Tags in the view's buffer may override the default.
2167 gtk_text_view_set_justification (GtkTextView *text_view,
2168 GtkJustification justification)
2170 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2172 if (text_view->justify != justification)
2174 text_view->justify = justification;
2176 if (text_view->layout)
2178 text_view->layout->default_style->justification = justification;
2179 gtk_text_layout_default_style_changed (text_view->layout);
2182 g_object_notify (G_OBJECT (text_view), "justification");
2187 * gtk_text_view_get_justification:
2188 * @text_view: a #GtkTextView
2190 * Gets the default justification of paragraphs in @text_view.
2191 * Tags in the buffer may override the default.
2193 * Return value: default justification
2196 gtk_text_view_get_justification (GtkTextView *text_view)
2198 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_JUSTIFY_LEFT);
2200 return text_view->justify;
2204 * gtk_text_view_set_left_margin:
2205 * @text_view: a #GtkTextView
2206 * @left_margin: left margin in pixels
2208 * Sets the default left margin for text in @text_view.
2209 * Tags in the buffer may override the default.
2213 gtk_text_view_set_left_margin (GtkTextView *text_view,
2216 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2218 if (text_view->left_margin != left_margin)
2220 text_view->left_margin = left_margin;
2222 if (text_view->layout)
2224 text_view->layout->default_style->left_margin = left_margin;
2225 gtk_text_layout_default_style_changed (text_view->layout);
2228 g_object_notify (G_OBJECT (text_view), "left_margin");
2233 * gtk_text_view_get_left_margin:
2234 * @text_view: a #GtkTextView
2236 * Gets the default left margin size of paragraphs in the @text_view.
2237 * Tags in the buffer may override the default.
2239 * Return value: left margin in pixels
2242 gtk_text_view_get_left_margin (GtkTextView *text_view)
2244 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2246 return text_view->left_margin;
2250 * gtk_text_view_set_right_margin:
2251 * @text_view: a #GtkTextView
2252 * @right_margin: right margin in pixels
2254 * Sets the default right margin for text in the text view.
2255 * Tags in the buffer may override the default.
2259 gtk_text_view_set_right_margin (GtkTextView *text_view,
2262 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2264 if (text_view->right_margin != right_margin)
2266 text_view->right_margin = right_margin;
2268 if (text_view->layout)
2270 text_view->layout->default_style->right_margin = right_margin;
2271 gtk_text_layout_default_style_changed (text_view->layout);
2274 g_object_notify (G_OBJECT (text_view), "right_margin");
2279 * gtk_text_view_get_right_margin:
2280 * @text_view: a #GtkTextView
2282 * Gets the default right margin for text in @text_view. Tags
2283 * in the buffer may override the default.
2285 * Return value: right margin in pixels
2288 gtk_text_view_get_right_margin (GtkTextView *text_view)
2290 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2292 return text_view->right_margin;
2296 * gtk_text_view_set_indent:
2297 * @text_view: a #GtkTextView
2298 * @indent: indentation in pixels
2300 * Sets the default indentation for paragraphs in @text_view.
2301 * Tags in the buffer may override the default.
2305 gtk_text_view_set_indent (GtkTextView *text_view,
2308 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2310 if (text_view->indent != indent)
2312 text_view->indent = indent;
2314 if (text_view->layout)
2316 text_view->layout->default_style->indent = indent;
2317 gtk_text_layout_default_style_changed (text_view->layout);
2320 g_object_notify (G_OBJECT (text_view), "indent");
2325 * gtk_text_view_get_indent:
2326 * @text_view: a #GtkTextView
2328 * Gets the default indentation of paragraphs in @text_view.
2329 * Tags in the view's buffer may override the default.
2330 * The indentation may be negative.
2332 * Return value: number of pixels of indentation
2335 gtk_text_view_get_indent (GtkTextView *text_view)
2337 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
2339 return text_view->indent;
2343 * gtk_text_view_set_tabs:
2344 * @text_view: a #GtkTextView
2345 * @tabs: tabs as a #PangoTabArray
2347 * Sets the default tab stops for paragraphs in @text_view.
2348 * Tags in the buffer may override the default.
2352 gtk_text_view_set_tabs (GtkTextView *text_view,
2353 PangoTabArray *tabs)
2355 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2357 if (text_view->tabs)
2358 pango_tab_array_free (text_view->tabs);
2360 text_view->tabs = tabs ? pango_tab_array_copy (tabs) : NULL;
2362 if (text_view->layout)
2364 /* some unkosher futzing in internal struct details... */
2365 if (text_view->layout->default_style->tabs)
2366 pango_tab_array_free (text_view->layout->default_style->tabs);
2368 text_view->layout->default_style->tabs =
2369 text_view->tabs ? pango_tab_array_copy (text_view->tabs) : NULL;
2371 gtk_text_layout_default_style_changed (text_view->layout);
2374 g_object_notify (G_OBJECT (text_view), "tabs");
2378 * gtk_text_view_get_tabs:
2379 * @text_view: a #GtkTextView
2381 * Gets the default tabs for @text_view. Tags in the buffer may
2382 * override the defaults. The returned array will be %NULL if
2383 * "standard" (8-space) tabs are used. Free the return value
2384 * with pango_tab_array_free().
2386 * Return value: copy of default tab array, or %NULL if "standard" tabs are used; must be freed with pango_tab_array_free().
2389 gtk_text_view_get_tabs (GtkTextView *text_view)
2391 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
2393 return text_view->tabs ? pango_tab_array_copy (text_view->tabs) : NULL;
2397 * gtk_text_view_set_cursor_visible:
2398 * @text_view: a #GtkTextView
2399 * @setting: whether to show the insertion cursor
2401 * Toggles whether the insertion point is displayed. A buffer with no editable
2402 * text probably shouldn't have a visible cursor, so you may want to turn
2406 gtk_text_view_set_cursor_visible (GtkTextView *text_view,
2409 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
2411 setting = (setting != FALSE);
2413 if (text_view->cursor_visible != setting)
2415 text_view->cursor_visible = setting;
2417 if (GTK_WIDGET_HAS_FOCUS (text_view))
2419 if (text_view->layout)
2421 gtk_text_layout_set_cursor_visible (text_view->layout, setting);
2422 gtk_text_view_check_cursor_blink (text_view);
2426 g_object_notify (G_OBJECT (text_view), "cursor_visible");
2431 * gtk_text_view_get_cursor_visible:
2432 * @text_view: a #GtkTextView
2434 * Find out whether the cursor is being displayed.
2436 * Return value: whether the insertion mark is visible
2439 gtk_text_view_get_cursor_visible (GtkTextView *text_view)
2441 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2443 return text_view->cursor_visible;
2448 * gtk_text_view_place_cursor_onscreen:
2449 * @text_view: a #GtkTextView
2451 * Moves the cursor to the currently visible region of the
2452 * buffer, it it isn't there already.
2454 * Return value: TRUE if the cursor had to be moved.
2457 gtk_text_view_place_cursor_onscreen (GtkTextView *text_view)
2461 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
2463 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
2464 gtk_text_buffer_get_mark (get_buffer (text_view),
2467 if (clamp_iter_onscreen (text_view, &insert))
2469 gtk_text_buffer_place_cursor (get_buffer (text_view), &insert);
2477 gtk_text_view_remove_validate_idles (GtkTextView *text_view)
2479 if (text_view->first_validate_idle != 0)
2481 DV (g_print ("Removing first validate idle: %s\n", G_STRLOC));
2482 g_source_remove (text_view->first_validate_idle);
2483 text_view->first_validate_idle = 0;
2486 if (text_view->incremental_validate_idle != 0)
2488 g_source_remove (text_view->incremental_validate_idle);
2489 text_view->incremental_validate_idle = 0;
2494 gtk_text_view_destroy (GtkObject *object)
2496 GtkTextView *text_view;
2497 GtkTextLayout *layout;
2499 text_view = GTK_TEXT_VIEW (object);
2501 layout = text_view->layout;
2503 gtk_text_view_remove_validate_idles (text_view);
2504 gtk_text_view_set_buffer (text_view, NULL);
2505 gtk_text_view_destroy_layout (text_view);
2507 (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
2511 gtk_text_view_finalize (GObject *object)
2513 GtkTextView *text_view;
2515 text_view = GTK_TEXT_VIEW (object);
2517 g_return_if_fail (text_view->buffer == NULL);
2519 gtk_text_view_destroy_layout (text_view);
2520 gtk_text_view_set_buffer (text_view, NULL);
2522 cancel_pending_scroll (text_view);
2524 if (text_view->tabs)
2525 pango_tab_array_free (text_view->tabs);
2527 if (text_view->hadjustment)
2528 g_object_unref (text_view->hadjustment);
2529 if (text_view->vadjustment)
2530 g_object_unref (text_view->vadjustment);
2532 text_window_free (text_view->text_window);
2534 if (text_view->left_window)
2535 text_window_free (text_view->left_window);
2537 if (text_view->top_window)
2538 text_window_free (text_view->top_window);
2540 if (text_view->right_window)
2541 text_window_free (text_view->right_window);
2543 if (text_view->bottom_window)
2544 text_window_free (text_view->bottom_window);
2546 g_object_unref (text_view->im_context);
2548 (* G_OBJECT_CLASS (parent_class)->finalize) (object);
2552 gtk_text_view_set_property (GObject *object,
2554 const GValue *value,
2557 GtkTextView *text_view;
2559 text_view = GTK_TEXT_VIEW (object);
2563 case PROP_PIXELS_ABOVE_LINES:
2564 gtk_text_view_set_pixels_above_lines (text_view, g_value_get_int (value));
2567 case PROP_PIXELS_BELOW_LINES:
2568 gtk_text_view_set_pixels_below_lines (text_view, g_value_get_int (value));
2571 case PROP_PIXELS_INSIDE_WRAP:
2572 gtk_text_view_set_pixels_inside_wrap (text_view, g_value_get_int (value));
2576 gtk_text_view_set_editable (text_view, g_value_get_boolean (value));
2579 case PROP_WRAP_MODE:
2580 gtk_text_view_set_wrap_mode (text_view, g_value_get_enum (value));
2583 case PROP_JUSTIFICATION:
2584 gtk_text_view_set_justification (text_view, g_value_get_enum (value));
2587 case PROP_LEFT_MARGIN:
2588 gtk_text_view_set_left_margin (text_view, g_value_get_int (value));
2591 case PROP_RIGHT_MARGIN:
2592 gtk_text_view_set_right_margin (text_view, g_value_get_int (value));
2596 gtk_text_view_set_indent (text_view, g_value_get_int (value));
2600 gtk_text_view_set_tabs (text_view, g_value_get_boxed (value));
2603 case PROP_CURSOR_VISIBLE:
2604 gtk_text_view_set_cursor_visible (text_view, g_value_get_boolean (value));
2607 case PROP_OVERWRITE:
2608 gtk_text_view_set_overwrite (text_view, g_value_get_boolean (value));
2612 gtk_text_view_set_buffer (text_view, GTK_TEXT_BUFFER (g_value_get_object (value)));
2615 case PROP_ACCEPTS_TAB:
2616 gtk_text_view_set_accepts_tab (text_view, g_value_get_boolean (value));
2620 g_assert_not_reached ();
2626 gtk_text_view_get_property (GObject *object,
2631 GtkTextView *text_view;
2633 text_view = GTK_TEXT_VIEW (object);
2637 case PROP_PIXELS_ABOVE_LINES:
2638 g_value_set_int (value, text_view->pixels_above_lines);
2641 case PROP_PIXELS_BELOW_LINES:
2642 g_value_set_int (value, text_view->pixels_below_lines);
2645 case PROP_PIXELS_INSIDE_WRAP:
2646 g_value_set_int (value, text_view->pixels_inside_wrap);
2650 g_value_set_boolean (value, text_view->editable);
2653 case PROP_WRAP_MODE:
2654 g_value_set_enum (value, text_view->wrap_mode);
2657 case PROP_JUSTIFICATION:
2658 g_value_set_enum (value, text_view->justify);
2661 case PROP_LEFT_MARGIN:
2662 g_value_set_int (value, text_view->left_margin);
2665 case PROP_RIGHT_MARGIN:
2666 g_value_set_int (value, text_view->right_margin);
2670 g_value_set_int (value, text_view->indent);
2674 g_value_set_boxed (value, text_view->tabs);
2677 case PROP_CURSOR_VISIBLE:
2678 g_value_set_boolean (value, text_view->cursor_visible);
2682 g_value_set_object (value, get_buffer (text_view));
2685 case PROP_OVERWRITE:
2686 g_value_set_boolean (value, text_view->overwrite_mode);
2689 case PROP_ACCEPTS_TAB:
2690 g_value_set_boolean (value, text_view->accepts_tab);
2694 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2700 gtk_text_view_size_request (GtkWidget *widget,
2701 GtkRequisition *requisition)
2703 GtkTextView *text_view;
2705 gint focus_edge_width;
2707 gboolean interior_focus;
2709 text_view = GTK_TEXT_VIEW (widget);
2711 gtk_widget_style_get (widget,
2712 "interior_focus", &interior_focus,
2713 "focus_line_width", &focus_width,
2717 focus_edge_width = 0;
2719 focus_edge_width = focus_width;
2721 if (text_view->layout)
2723 text_view->text_window->requisition.width = text_view->layout->width;
2724 text_view->text_window->requisition.height = text_view->layout->height;
2728 text_view->text_window->requisition.width = 0;
2729 text_view->text_window->requisition.height = 0;
2732 requisition->width = text_view->text_window->requisition.width + focus_edge_width * 2;
2733 requisition->height = text_view->text_window->requisition.height + focus_edge_width * 2;
2735 if (text_view->left_window)
2736 requisition->width += text_view->left_window->requisition.width;
2738 if (text_view->right_window)
2739 requisition->width += text_view->right_window->requisition.width;
2741 if (text_view->top_window)
2742 requisition->height += text_view->top_window->requisition.height;
2744 if (text_view->bottom_window)
2745 requisition->height += text_view->bottom_window->requisition.height;
2747 requisition->width += GTK_CONTAINER (text_view)->border_width * 2;
2748 requisition->height += GTK_CONTAINER (text_view)->border_width * 2;
2750 tmp_list = text_view->children;
2751 while (tmp_list != NULL)
2753 GtkTextViewChild *child = tmp_list->data;
2757 GtkRequisition child_req;
2758 GtkRequisition old_req;
2760 gtk_widget_get_child_requisition (child->widget, &old_req);
2762 gtk_widget_size_request (child->widget, &child_req);
2764 gtk_widget_get_child_requisition (child->widget, &child_req);
2766 /* Invalidate layout lines if required */
2767 if (text_view->layout &&
2768 (old_req.width != child_req.width ||
2769 old_req.height != child_req.height))
2770 gtk_text_child_anchor_queue_resize (child->anchor,
2775 GtkRequisition child_req;
2777 gtk_widget_size_request (child->widget, &child_req);
2780 tmp_list = g_slist_next (tmp_list);
2785 gtk_text_view_compute_child_allocation (GtkTextView *text_view,
2786 GtkTextViewChild *vc,
2787 GtkAllocation *allocation)
2793 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
2797 gtk_text_layout_get_line_yrange (text_view->layout, &iter,
2800 buffer_y += vc->from_top_of_line;
2802 allocation->x = vc->from_left_of_buffer - text_view->xoffset;
2803 allocation->y = buffer_y - text_view->yoffset;
2805 gtk_widget_get_child_requisition (vc->widget, &req);
2806 allocation->width = req.width;
2807 allocation->height = req.height;
2811 gtk_text_view_update_child_allocation (GtkTextView *text_view,
2812 GtkTextViewChild *vc)
2814 GtkAllocation allocation;
2816 gtk_text_view_compute_child_allocation (text_view, vc, &allocation);
2818 gtk_widget_size_allocate (vc->widget, &allocation);
2821 g_print ("allocation for %p allocated to %d,%d yoffset = %d\n",
2823 vc->widget->allocation.x,
2824 vc->widget->allocation.y,
2825 text_view->yoffset);
2830 gtk_text_view_child_allocated (GtkTextLayout *layout,
2836 GtkTextViewChild *vc = NULL;
2837 GtkTextView *text_view = data;
2839 /* x,y is the position of the child from the top of the line, and
2840 * from the left of the buffer. We have to translate that into text
2841 * window coordinates, then size_allocate the child.
2844 vc = g_object_get_data (G_OBJECT (child),
2845 "gtk-text-view-child");
2847 g_assert (vc != NULL);
2849 DV (g_print ("child allocated at %d,%d\n", x, y));
2851 vc->from_left_of_buffer = x;
2852 vc->from_top_of_line = y;
2854 gtk_text_view_update_child_allocation (text_view, vc);
2858 gtk_text_view_allocate_children (GtkTextView *text_view)
2862 DV(g_print(G_STRLOC"\n"));
2864 tmp_list = text_view->children;
2865 while (tmp_list != NULL)
2867 GtkTextViewChild *child = tmp_list->data;
2871 /* We need to force-validate the regions containing
2874 GtkTextIter child_loc;
2875 gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
2879 gtk_text_layout_validate_yrange (text_view->layout,
2885 GtkAllocation allocation;
2886 GtkRequisition child_req;
2888 g_assert (child != NULL);
2890 allocation.x = child->x;
2891 allocation.y = child->y;
2893 gtk_widget_get_child_requisition (child->widget, &child_req);
2895 allocation.width = child_req.width;
2896 allocation.height = child_req.height;
2898 gtk_widget_size_allocate (child->widget, &allocation);
2901 tmp_list = g_slist_next (tmp_list);
2906 gtk_text_view_size_allocate (GtkWidget *widget,
2907 GtkAllocation *allocation)
2909 GtkTextView *text_view;
2910 GtkTextIter first_para;
2913 GdkRectangle text_rect;
2914 GdkRectangle left_rect;
2915 GdkRectangle right_rect;
2916 GdkRectangle top_rect;
2917 GdkRectangle bottom_rect;
2918 gint focus_edge_width;
2920 gboolean interior_focus;
2921 gboolean size_changed;
2923 text_view = GTK_TEXT_VIEW (widget);
2925 DV(g_print(G_STRLOC"\n"));
2928 widget->allocation.width != allocation->width ||
2929 widget->allocation.height != allocation->height;
2931 widget->allocation = *allocation;
2933 if (GTK_WIDGET_REALIZED (widget))
2935 gdk_window_move_resize (widget->window,
2936 allocation->x, allocation->y,
2937 allocation->width, allocation->height);
2940 /* distribute width/height among child windows. Ensure all
2941 * windows get at least a 1x1 allocation.
2944 gtk_widget_style_get (widget,
2945 "interior_focus", &interior_focus,
2946 "focus_line_width", &focus_width,
2950 focus_edge_width = 0;
2952 focus_edge_width = focus_width;
2954 width = allocation->width - focus_edge_width * 2 - GTK_CONTAINER (text_view)->border_width * 2;
2956 if (text_view->left_window)
2957 left_rect.width = text_view->left_window->requisition.width;
2959 left_rect.width = 0;
2961 width -= left_rect.width;
2963 if (text_view->right_window)
2964 right_rect.width = text_view->right_window->requisition.width;
2966 right_rect.width = 0;
2968 width -= right_rect.width;
2970 text_rect.width = MAX (1, width);
2972 top_rect.width = text_rect.width;
2973 bottom_rect.width = text_rect.width;
2976 height = allocation->height - focus_edge_width * 2 - GTK_CONTAINER (text_view)->border_width * 2;
2978 if (text_view->top_window)
2979 top_rect.height = text_view->top_window->requisition.height;
2981 top_rect.height = 0;
2983 height -= top_rect.height;
2985 if (text_view->bottom_window)
2986 bottom_rect.height = text_view->bottom_window->requisition.height;
2988 bottom_rect.height = 0;
2990 height -= bottom_rect.height;
2992 text_rect.height = MAX (1, height);
2994 left_rect.height = text_rect.height;
2995 right_rect.height = text_rect.height;
2998 left_rect.x = focus_edge_width + GTK_CONTAINER (text_view)->border_width;
2999 top_rect.y = focus_edge_width + GTK_CONTAINER (text_view)->border_width;
3001 text_rect.x = left_rect.x + left_rect.width;
3002 text_rect.y = top_rect.y + top_rect.height;
3004 left_rect.y = text_rect.y;
3005 right_rect.y = text_rect.y;
3007 top_rect.x = text_rect.x;
3008 bottom_rect.x = text_rect.x;
3010 right_rect.x = text_rect.x + text_rect.width;
3011 bottom_rect.y = text_rect.y + text_rect.height;
3013 text_window_size_allocate (text_view->text_window,
3016 if (text_view->left_window)
3017 text_window_size_allocate (text_view->left_window,
3020 if (text_view->right_window)
3021 text_window_size_allocate (text_view->right_window,
3024 if (text_view->top_window)
3025 text_window_size_allocate (text_view->top_window,
3028 if (text_view->bottom_window)
3029 text_window_size_allocate (text_view->bottom_window,
3032 gtk_text_view_update_layout_width (text_view);
3034 /* Note that this will do some layout validation */
3035 gtk_text_view_allocate_children (text_view);
3037 /* Ensure h/v adj exist */
3038 get_hadjustment (text_view);
3039 get_vadjustment (text_view);
3041 text_view->hadjustment->page_size = SCREEN_WIDTH (text_view);
3042 text_view->hadjustment->page_increment = SCREEN_WIDTH (text_view) * 0.9;
3043 text_view->hadjustment->step_increment = SCREEN_WIDTH (text_view) * 0.1;
3044 text_view->hadjustment->lower = 0;
3045 text_view->hadjustment->upper = MAX (SCREEN_WIDTH (text_view),
3048 if (text_view->hadjustment->value > text_view->hadjustment->upper - text_view->hadjustment->page_size)
3049 gtk_adjustment_set_value (text_view->hadjustment, MAX (0, text_view->hadjustment->upper - text_view->hadjustment->page_size));
3051 gtk_adjustment_changed (text_view->hadjustment);
3053 text_view->vadjustment->page_size = SCREEN_HEIGHT (text_view);
3054 text_view->vadjustment->page_increment = SCREEN_HEIGHT (text_view) * 0.9;
3055 text_view->vadjustment->step_increment = SCREEN_HEIGHT (text_view) * 0.1;
3056 text_view->vadjustment->lower = 0;
3057 text_view->vadjustment->upper = MAX (SCREEN_HEIGHT (text_view),
3060 /* Now adjust the value of the adjustment to keep the cursor at the
3061 * same place in the buffer
3063 gtk_text_view_get_first_para_iter (text_view, &first_para);
3064 gtk_text_layout_get_line_yrange (text_view->layout, &first_para, &y, NULL);
3066 y += text_view->first_para_pixels;
3068 if (y > text_view->vadjustment->upper - text_view->vadjustment->page_size)
3069 y = MAX (0, text_view->vadjustment->upper - text_view->vadjustment->page_size);
3071 if (y != text_view->yoffset)
3072 gtk_adjustment_set_value (text_view->vadjustment, y);
3074 gtk_adjustment_changed (text_view->vadjustment);
3076 /* The GTK resize loop processes all the pending exposes right
3077 * after doing the resize stuff, so the idle sizer won't have a
3078 * chance to run. So we do the work here.
3080 gtk_text_view_flush_first_validate (text_view);
3082 /* widget->window doesn't get auto-redrawn as the layout is computed, so has to
3085 if (size_changed && GTK_WIDGET_REALIZED (widget))
3086 gdk_window_invalidate_rect (widget->window, NULL, FALSE);
3090 gtk_text_view_get_first_para_iter (GtkTextView *text_view,
3093 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), iter,
3094 text_view->first_para_mark);
3098 gtk_text_view_validate_onscreen (GtkTextView *text_view)
3100 GtkWidget *widget = GTK_WIDGET (text_view);
3102 DV(g_print(">Validating onscreen ("G_STRLOC")\n"));
3104 if (SCREEN_HEIGHT (widget) > 0)
3106 GtkTextIter first_para;
3108 /* Be sure we've validated the stuff onscreen; if we
3109 * scrolled, these calls won't have any effect, because
3110 * they were called in the recursive validate_onscreen
3112 gtk_text_view_get_first_para_iter (text_view, &first_para);
3114 gtk_text_layout_validate_yrange (text_view->layout,
3117 text_view->first_para_pixels +
3118 SCREEN_HEIGHT (widget));
3121 text_view->onscreen_validated = TRUE;
3123 DV(g_print(">Done validating onscreen, onscreen_validated = TRUE ("G_STRLOC")\n"));
3125 /* This can have the odd side effect of triggering a scroll, which should
3126 * flip "onscreen_validated" back to FALSE, but should also get us
3127 * back into this function to turn it on again.
3129 gtk_text_view_update_adjustments (text_view);
3131 g_assert (text_view->onscreen_validated);
3135 gtk_text_view_flush_first_validate (GtkTextView *text_view)
3137 if (text_view->first_validate_idle == 0)
3140 /* Do this first, which means that if an "invalidate"
3141 * occurs during any of this process, a new first_validate_callback
3142 * will be installed, and we'll start again.
3144 DV (g_print ("removing first validate in %s\n", G_STRLOC));
3145 g_source_remove (text_view->first_validate_idle);
3146 text_view->first_validate_idle = 0;
3148 /* be sure we have up-to-date screen size set on the
3151 gtk_text_view_update_layout_width (text_view);
3153 /* Bail out if we invalidated stuff; scrolling right away will just
3154 * confuse the issue.
3156 if (text_view->first_validate_idle != 0)
3158 DV(g_print(">Width change forced requeue ("G_STRLOC")\n"));
3162 /* scroll to any marks, if that's pending. This can jump us to
3163 * the validation codepath used for scrolling onscreen, if so we
3164 * bail out. It won't jump if already in that codepath since
3165 * value_changed is not recursive, so also validate if
3168 if (!gtk_text_view_flush_scroll (text_view) ||
3169 !text_view->onscreen_validated)
3170 gtk_text_view_validate_onscreen (text_view);
3172 DV(g_print(">Leaving first validate idle ("G_STRLOC")\n"));
3174 g_assert (text_view->onscreen_validated);
3179 first_validate_callback (gpointer data)
3181 GtkTextView *text_view = data;
3183 GDK_THREADS_ENTER ();
3185 /* Note that some of this code is duplicated at the end of size_allocate,
3186 * keep in sync with that.
3189 DV(g_print(G_STRLOC"\n"));
3191 gtk_text_view_flush_first_validate (text_view);
3193 GDK_THREADS_LEAVE ();
3199 incremental_validate_callback (gpointer data)
3201 GtkTextView *text_view = data;
3202 gboolean result = TRUE;
3204 GDK_THREADS_ENTER ();
3206 DV(g_print(G_STRLOC"\n"));
3208 gtk_text_layout_validate (text_view->layout, 2000);
3210 gtk_text_view_update_adjustments (text_view);
3212 if (gtk_text_layout_is_valid (text_view->layout))
3214 text_view->incremental_validate_idle = 0;
3218 GDK_THREADS_LEAVE ();
3224 gtk_text_view_invalidate (GtkTextView *text_view)
3226 DV (g_print (">Invalidate, onscreen_validated = %d now FALSE ("G_STRLOC")\n",
3227 text_view->onscreen_validated));
3229 text_view->onscreen_validated = FALSE;
3231 /* We'll invalidate when the layout is created */
3232 if (text_view->layout == NULL)
3235 if (!text_view->first_validate_idle)
3237 text_view->first_validate_idle = g_idle_add_full (GTK_PRIORITY_RESIZE - 2, first_validate_callback, text_view, NULL);
3238 DV (g_print (G_STRLOC": adding first validate idle %d\n",
3239 text_view->first_validate_idle));
3242 if (!text_view->incremental_validate_idle)
3244 text_view->incremental_validate_idle = g_idle_add_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE, incremental_validate_callback, text_view, NULL);
3245 DV (g_print (G_STRLOC": adding incremental validate idle %d\n",
3246 text_view->incremental_validate_idle));
3251 invalidated_handler (GtkTextLayout *layout,
3254 GtkTextView *text_view;
3256 text_view = GTK_TEXT_VIEW (data);
3258 DV (g_print ("Invalidating due to layout invalidate signal\n"));
3259 gtk_text_view_invalidate (text_view);
3263 changed_handler (GtkTextLayout *layout,
3269 GtkTextView *text_view;
3271 GdkRectangle visible_rect;
3272 GdkRectangle redraw_rect;
3274 text_view = GTK_TEXT_VIEW (data);
3275 widget = GTK_WIDGET (data);
3277 DV(g_print(">Lines Validated ("G_STRLOC")\n"));
3279 if (GTK_WIDGET_REALIZED (text_view))
3281 gtk_text_view_get_visible_rect (text_view, &visible_rect);
3283 redraw_rect.x = visible_rect.x;
3284 redraw_rect.width = visible_rect.width;
3285 redraw_rect.y = start_y;
3287 if (old_height == new_height)
3288 redraw_rect.height = old_height;
3289 else if (start_y + old_height > visible_rect.y)
3290 redraw_rect.height = MAX (0, visible_rect.y + visible_rect.height - start_y);
3292 redraw_rect.height = 0;
3294 if (gdk_rectangle_intersect (&redraw_rect, &visible_rect, &redraw_rect))
3296 /* text_window_invalidate_rect() takes buffer coordinates */
3297 text_window_invalidate_rect (text_view->text_window,
3300 DV(g_print(" invalidated rect: %d,%d %d x %d\n",
3304 redraw_rect.height));
3306 if (text_view->left_window)
3307 text_window_invalidate_rect (text_view->left_window,
3309 if (text_view->right_window)
3310 text_window_invalidate_rect (text_view->right_window,
3312 if (text_view->top_window)
3313 text_window_invalidate_rect (text_view->top_window,
3315 if (text_view->bottom_window)
3316 text_window_invalidate_rect (text_view->bottom_window,
3319 gtk_text_view_update_im_spot_location (text_view);
3323 if (old_height != new_height)
3325 gboolean yoffset_changed = FALSE;
3327 int new_first_para_top;
3328 int old_first_para_top;
3331 /* If the bottom of the old area was above the top of the
3332 * screen, we need to scroll to keep the current top of the
3333 * screen in place. Remember that first_para_pixels is the
3334 * position of the top of the screen in coordinates relative to
3335 * the first paragraph onscreen.
3337 * In short we are adding the height delta of the portion of the
3338 * changed region above first_para_mark to text_view->yoffset.
3340 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &first,
3341 text_view->first_para_mark);
3343 gtk_text_layout_get_line_yrange (layout, &first, &new_first_para_top, NULL);
3345 old_first_para_top = text_view->yoffset - text_view->first_para_pixels;
3347 if (new_first_para_top != old_first_para_top)
3349 text_view->yoffset += new_first_para_top - old_first_para_top;
3351 get_vadjustment (text_view)->value = text_view->yoffset;
3352 yoffset_changed = TRUE;
3355 if (yoffset_changed)
3357 DV(g_print ("Changing scroll position (%s)\n", G_STRLOC));
3358 gtk_adjustment_value_changed (get_vadjustment (text_view));
3361 /* FIXME be smarter about which anchored widgets we update */
3363 tmp_list = text_view->children;
3364 while (tmp_list != NULL)
3366 GtkTextViewChild *child = tmp_list->data;
3369 gtk_text_view_update_child_allocation (text_view, child);
3371 tmp_list = g_slist_next (tmp_list);
3376 GtkRequisition old_req;
3377 GtkRequisition new_req;
3379 old_req = widget->requisition;
3381 /* Use this instead of gtk_widget_size_request wrapper
3382 * to avoid the optimization which just returns widget->requisition
3383 * if a resize hasn't been queued.
3385 GTK_WIDGET_GET_CLASS (widget)->size_request (widget, &new_req);
3387 if (old_req.width != new_req.width ||
3388 old_req.height != new_req.height)
3390 gtk_widget_queue_resize_no_redraw (widget);
3396 gtk_text_view_realize (GtkWidget *widget)
3398 GtkTextView *text_view;
3399 GdkWindowAttr attributes;
3400 gint attributes_mask;
3403 text_view = GTK_TEXT_VIEW (widget);
3404 GTK_WIDGET_SET_FLAGS (text_view, GTK_REALIZED);
3406 attributes.window_type = GDK_WINDOW_CHILD;
3407 attributes.x = widget->allocation.x;
3408 attributes.y = widget->allocation.y;
3409 attributes.width = widget->allocation.width;
3410 attributes.height = widget->allocation.height;
3411 attributes.wclass = GDK_INPUT_OUTPUT;
3412 attributes.visual = gtk_widget_get_visual (widget);
3413 attributes.colormap = gtk_widget_get_colormap (widget);
3414 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK | GDK_EXPOSURE_MASK;
3416 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
3418 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
3419 &attributes, attributes_mask);
3420 gdk_window_set_user_data (widget->window, widget);
3422 /* must come before text_window_realize calls */
3423 widget->style = gtk_style_attach (widget->style, widget->window);
3425 gdk_window_set_background (widget->window,
3426 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3428 text_window_realize (text_view->text_window, widget->window);
3430 if (text_view->left_window)
3431 text_window_realize (text_view->left_window,
3434 if (text_view->top_window)
3435 text_window_realize (text_view->top_window,
3438 if (text_view->right_window)
3439 text_window_realize (text_view->right_window,
3442 if (text_view->bottom_window)
3443 text_window_realize (text_view->bottom_window,
3446 gtk_text_view_ensure_layout (text_view);
3448 if (text_view->buffer)
3450 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
3451 GDK_SELECTION_PRIMARY);
3452 gtk_text_buffer_add_selection_clipboard (text_view->buffer, clipboard);
3455 tmp_list = text_view->children;
3456 while (tmp_list != NULL)
3458 GtkTextViewChild *vc = tmp_list->data;
3460 text_view_child_set_parent_window (text_view, vc);
3462 tmp_list = tmp_list->next;
3467 gtk_text_view_unrealize (GtkWidget *widget)
3469 GtkTextView *text_view;
3471 text_view = GTK_TEXT_VIEW (widget);
3473 if (text_view->buffer)
3475 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
3476 GDK_SELECTION_PRIMARY);
3477 gtk_text_buffer_remove_selection_clipboard (text_view->buffer, clipboard);
3480 gtk_text_view_remove_validate_idles (text_view);
3482 if (text_view->popup_menu)
3484 gtk_widget_destroy (text_view->popup_menu);
3485 text_view->popup_menu = NULL;
3488 text_window_unrealize (text_view->text_window);
3490 if (text_view->left_window)
3491 text_window_unrealize (text_view->left_window);
3493 if (text_view->top_window)
3494 text_window_unrealize (text_view->top_window);
3496 if (text_view->right_window)
3497 text_window_unrealize (text_view->right_window);
3499 if (text_view->bottom_window)
3500 text_window_unrealize (text_view->bottom_window);
3502 gtk_text_view_destroy_layout (text_view);
3504 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
3508 gtk_text_view_set_background (GtkTextView *text_view)
3510 GtkWidget *widget = GTK_WIDGET (text_view);
3512 gdk_window_set_background (widget->window,
3513 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3515 gdk_window_set_background (text_view->text_window->bin_window,
3516 &widget->style->base[GTK_WIDGET_STATE (widget)]);
3518 if (text_view->left_window)
3519 gdk_window_set_background (text_view->left_window->bin_window,
3520 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3521 if (text_view->right_window)
3522 gdk_window_set_background (text_view->right_window->bin_window,
3523 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3525 if (text_view->top_window)
3526 gdk_window_set_background (text_view->top_window->bin_window,
3527 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3529 if (text_view->bottom_window)
3530 gdk_window_set_background (text_view->bottom_window->bin_window,
3531 &widget->style->bg[GTK_WIDGET_STATE (widget)]);
3535 gtk_text_view_style_set (GtkWidget *widget,
3536 GtkStyle *previous_style)
3538 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
3540 if (GTK_WIDGET_REALIZED (widget))
3542 gtk_text_view_set_background (text_view);
3545 if (text_view->layout && previous_style)
3547 gtk_text_view_set_attributes_from_style (text_view,
3548 text_view->layout->default_style,
3550 gtk_text_layout_default_style_changed (text_view->layout);
3555 gtk_text_view_direction_changed (GtkWidget *widget,
3556 GtkTextDirection previous_direction)
3558 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
3560 if (text_view->layout)
3562 text_view->layout->default_style->direction = gtk_widget_get_direction (widget);
3563 gtk_text_layout_default_style_changed (text_view->layout);
3568 gtk_text_view_state_changed (GtkWidget *widget,
3569 GtkStateType previous_state)
3571 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
3573 if (GTK_WIDGET_REALIZED (widget))
3575 gtk_text_view_set_background (text_view);
3578 if (!GTK_WIDGET_IS_SENSITIVE (widget))
3580 /* Clear any selection */
3581 gtk_text_view_unselect (text_view);
3584 gtk_widget_queue_draw (widget);
3588 set_invisible_cursor (GdkWindow *window)
3590 GdkBitmap *empty_bitmap;
3593 char invisible_cursor_bits[] = { 0x0 };
3595 useless.red = useless.green = useless.blue = 0;
3598 empty_bitmap = gdk_bitmap_create_from_data (window,
3599 invisible_cursor_bits,
3602 cursor = gdk_cursor_new_from_pixmap (empty_bitmap,
3607 gdk_window_set_cursor (window, cursor);
3609 gdk_cursor_unref (cursor);
3611 g_object_unref (empty_bitmap);
3615 gtk_text_view_obscure_mouse_cursor (GtkTextView *text_view)
3617 if (text_view->mouse_cursor_obscured)
3620 set_invisible_cursor (text_view->text_window->bin_window);
3622 text_view->mouse_cursor_obscured = TRUE;
3626 gtk_text_view_unobscure_mouse_cursor (GtkTextView *text_view)
3628 if (text_view->mouse_cursor_obscured)
3632 cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)),
3634 gdk_window_set_cursor (text_view->text_window->bin_window, cursor);
3635 gdk_cursor_unref (cursor);
3636 text_view->mouse_cursor_obscured = FALSE;
3641 gtk_text_view_grab_notify (GtkWidget *widget,
3642 gboolean was_grabbed)
3645 gtk_text_view_unobscure_mouse_cursor (GTK_TEXT_VIEW (widget));
3654 get_event_coordinates (GdkEvent *event, gint *x, gint *y)
3657 switch (event->type)
3659 case GDK_MOTION_NOTIFY:
3660 *x = event->motion.x;
3661 *y = event->motion.y;
3665 case GDK_BUTTON_PRESS:
3666 case GDK_2BUTTON_PRESS:
3667 case GDK_3BUTTON_PRESS:
3668 case GDK_BUTTON_RELEASE:
3669 *x = event->button.x;
3670 *y = event->button.y;
3675 case GDK_KEY_RELEASE:
3676 case GDK_ENTER_NOTIFY:
3677 case GDK_LEAVE_NOTIFY:
3678 case GDK_PROPERTY_NOTIFY:
3679 case GDK_SELECTION_CLEAR:
3680 case GDK_SELECTION_REQUEST:
3681 case GDK_SELECTION_NOTIFY:
3682 case GDK_PROXIMITY_IN:
3683 case GDK_PROXIMITY_OUT:
3684 case GDK_DRAG_ENTER:
3685 case GDK_DRAG_LEAVE:
3686 case GDK_DRAG_MOTION:
3687 case GDK_DRAG_STATUS:
3688 case GDK_DROP_START:
3689 case GDK_DROP_FINISHED:
3699 emit_event_on_tags (GtkWidget *widget,
3705 gboolean retval = FALSE;
3706 GtkTextView *text_view;
3708 text_view = GTK_TEXT_VIEW (widget);
3710 tags = gtk_text_iter_get_tags (iter);
3715 GtkTextTag *tag = tmp->data;
3717 if (gtk_text_tag_event (tag, G_OBJECT (widget), event, iter))
3723 tmp = g_slist_next (tmp);
3726 g_slist_free (tags);
3732 gtk_text_view_event (GtkWidget *widget, GdkEvent *event)
3734 GtkTextView *text_view;
3737 text_view = GTK_TEXT_VIEW (widget);
3739 if (text_view->layout == NULL ||
3740 get_buffer (text_view) == NULL)
3743 if (event->any.window != text_view->text_window->bin_window)
3746 if (get_event_coordinates (event, &x, &y))
3750 x += text_view->xoffset;
3751 y += text_view->yoffset;
3753 /* FIXME this is slow and we do it twice per event.
3754 * My favorite solution is to have GtkTextLayout cache
3755 * the last couple lookups.
3757 gtk_text_layout_get_iter_at_pixel (text_view->layout,
3761 return emit_event_on_tags (widget, event, &iter);
3763 else if (event->type == GDK_KEY_PRESS ||
3764 event->type == GDK_KEY_RELEASE)
3766 GtkTextMark *insert;
3769 insert = gtk_text_buffer_get_mark (get_buffer (text_view),
3772 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
3774 return emit_event_on_tags (widget, event, &iter);
3781 gtk_text_view_key_press_event (GtkWidget *widget, GdkEventKey *event)
3783 gboolean retval = FALSE;
3784 gboolean obscure = FALSE;
3785 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
3786 GtkTextMark *insert;
3788 gboolean can_insert;
3790 if (text_view->layout == NULL ||
3791 get_buffer (text_view) == NULL)
3794 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
3795 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
3796 can_insert = gtk_text_iter_can_insert (&iter, text_view->editable);
3798 gtk_im_context_filter_keypress (text_view->im_context, event))
3800 text_view->need_im_reset = TRUE;
3805 else if (GTK_WIDGET_CLASS (parent_class)->key_press_event &&
3806 GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event))
3808 /* use overall editability not can_insert, more predictable for users */
3809 else if (text_view->editable &&
3810 (event->keyval == GDK_Return ||
3811 event->keyval == GDK_KP_Enter))
3813 /* this won't actually insert the newline if the cursor isn't
3816 gtk_text_view_commit_text (text_view, "\n");
3821 /* Pass through Tab as literal tab, unless Control is held down */
3822 else if ((event->keyval == GDK_Tab ||
3823 event->keyval == GDK_KP_Tab) &&
3824 !(event->state & GDK_CONTROL_MASK))
3826 /* If the text widget isn't editable overall, or if the application
3827 * has turned off "accepts_tab", move the focus instead
3829 if (text_view->accepts_tab && text_view->editable)
3831 gtk_text_view_commit_text (text_view, "\t");
3835 gtk_text_view_move_focus (text_view,
3836 (event->state & GDK_SHIFT_MASK) ?
3837 GTK_DIR_TAB_BACKWARD: GTK_DIR_TAB_FORWARD);
3845 gtk_text_view_obscure_mouse_cursor (text_view);
3847 gtk_text_view_pend_cursor_blink (text_view);
3853 gtk_text_view_key_release_event (GtkWidget *widget, GdkEventKey *event)
3855 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
3856 GtkTextMark *insert;
3859 if (text_view->layout == NULL || get_buffer (text_view) == NULL)
3862 insert = gtk_text_buffer_get_insert (get_buffer (text_view));
3863 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
3864 if (gtk_text_iter_can_insert (&iter, text_view->editable) &&
3865 gtk_im_context_filter_keypress (text_view->im_context, event))
3867 text_view->need_im_reset = TRUE;
3871 return GTK_WIDGET_CLASS (parent_class)->key_release_event (widget, event);
3875 gtk_text_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
3877 GtkTextView *text_view;
3879 text_view = GTK_TEXT_VIEW (widget);
3881 gtk_widget_grab_focus (widget);
3883 if (event->window != text_view->text_window->bin_window)
3885 /* Remove selection if any. */
3886 gtk_text_view_unselect (text_view);
3892 if (event->button == 3 && (event->state & GDK_CONTROL_MASK) != 0)
3893 _gtk_text_buffer_spew (GTK_TEXT_VIEW (widget)->buffer);
3894 else if (event->button == 3)
3895 gtk_text_layout_spew (GTK_TEXT_VIEW (widget)->layout);
3898 if (event->type == GDK_BUTTON_PRESS)
3900 gtk_text_view_reset_im_context (text_view);
3902 if (event->button == 1)
3904 /* If we're in the selection, start a drag copy/move of the
3905 * selection; otherwise, start creating a new selection.
3908 GtkTextIter start, end;
3910 gtk_text_layout_get_iter_at_pixel (text_view->layout,
3912 event->x + text_view->xoffset,
3913 event->y + text_view->yoffset);
3915 if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
3917 gtk_text_iter_in_range (&iter, &start, &end))
3919 text_view->drag_start_x = event->x;
3920 text_view->drag_start_y = event->y;
3921 text_view->pending_place_cursor_button = event->button;
3925 gtk_text_view_start_selection_drag (text_view, &iter, event);
3930 else if (event->button == 2)
3934 gtk_text_layout_get_iter_at_pixel (text_view->layout,
3936 event->x + text_view->xoffset,
3937 event->y + text_view->yoffset);
3939 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
3940 gtk_widget_get_clipboard (widget, GDK_SELECTION_PRIMARY),
3942 text_view->editable);
3945 else if (event->button == 3)
3947 gtk_text_view_do_popup (text_view, event);
3951 else if ((event->type == GDK_2BUTTON_PRESS ||
3952 event->type == GDK_3BUTTON_PRESS) &&
3957 gtk_text_view_end_selection_drag (text_view, event);
3959 gtk_text_layout_get_iter_at_pixel (text_view->layout,
3961 event->x + text_view->xoffset,
3962 event->y + text_view->yoffset);
3964 gtk_text_view_start_selection_drag (text_view, &iter, event);
3972 gtk_text_view_button_release_event (GtkWidget *widget, GdkEventButton *event)
3974 GtkTextView *text_view;
3976 text_view = GTK_TEXT_VIEW (widget);
3978 if (event->window != text_view->text_window->bin_window)
3981 if (event->button == 1)
3983 if (text_view->drag_start_x >= 0)
3985 text_view->drag_start_x = -1;
3986 text_view->drag_start_y = -1;
3989 if (gtk_text_view_end_selection_drag (GTK_TEXT_VIEW (widget), event))
3991 else if (text_view->pending_place_cursor_button == event->button)
3995 /* Unselect everything; we clicked inside selection, but
3996 * didn't move by the drag threshold, so just clear selection
3999 gtk_text_layout_get_iter_at_pixel (text_view->layout,
4001 event->x + text_view->xoffset,
4002 event->y + text_view->yoffset);
4004 gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
4006 text_view->pending_place_cursor_button = 0;
4016 keymap_direction_changed (GdkKeymap *keymap,
4017 GtkTextView *text_view)
4019 gtk_text_view_check_keymap_direction (text_view);
4023 gtk_text_view_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
4025 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
4027 gtk_widget_queue_draw (widget);
4029 DV(g_print (G_STRLOC": focus_in_event\n"));
4031 if (text_view->cursor_visible && text_view->layout)
4033 gtk_text_layout_set_cursor_visible (text_view->layout, TRUE);
4034 gtk_text_view_check_cursor_blink (text_view);
4037 g_signal_connect (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
4038 "direction_changed",
4039 G_CALLBACK (keymap_direction_changed), text_view);
4040 gtk_text_view_check_keymap_direction (text_view);
4042 text_view->need_im_reset = TRUE;
4043 gtk_im_context_focus_in (GTK_TEXT_VIEW (widget)->im_context);
4049 gtk_text_view_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
4051 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
4053 gtk_widget_queue_draw (widget);
4055 DV(g_print (G_STRLOC": focus_out_event\n"));
4057 if (text_view->cursor_visible && text_view->layout)
4059 gtk_text_layout_set_cursor_visible (text_view->layout, FALSE);
4060 gtk_text_view_check_cursor_blink (text_view);
4063 g_signal_handlers_disconnect_by_func (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
4064 keymap_direction_changed,
4067 text_view->need_im_reset = TRUE;
4068 gtk_im_context_focus_out (GTK_TEXT_VIEW (widget)->im_context);
4074 gtk_text_view_motion_event (GtkWidget *widget, GdkEventMotion *event)
4076 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
4078 gtk_text_view_unobscure_mouse_cursor (text_view);
4080 if (event->window == text_view->text_window->bin_window &&
4081 text_view->drag_start_x >= 0)
4085 gdk_window_get_pointer (text_view->text_window->bin_window,
4088 if (gtk_drag_check_threshold (widget,
4089 text_view->drag_start_x,
4090 text_view->drag_start_y,
4094 gint buffer_x, buffer_y;
4096 gtk_text_view_window_to_buffer_coords (text_view,
4097 GTK_TEXT_WINDOW_TEXT,
4098 text_view->drag_start_x,
4099 text_view->drag_start_y,
4103 gtk_text_layout_get_iter_at_pixel (text_view->layout,
4105 buffer_x, buffer_y);
4107 gtk_text_view_start_selection_dnd (text_view, &iter, event);
4116 gtk_text_view_paint (GtkWidget *widget,
4118 GdkEventExpose *event)
4120 GtkTextView *text_view;
4121 GList *child_exposes;
4125 text_view = GTK_TEXT_VIEW (widget);
4127 g_return_if_fail (text_view->layout != NULL);
4128 g_return_if_fail (text_view->xoffset >= 0);
4129 g_return_if_fail (text_view->yoffset >= 0);
4131 while (text_view->first_validate_idle != 0)
4133 DV (g_print (G_STRLOC": first_validate_idle: %d\n",
4134 text_view->first_validate_idle));
4135 gtk_text_view_flush_first_validate (text_view);
4138 /* More regions could have become invalid in the above loop */
4139 updates = gdk_window_get_update_area (text_view->text_window->bin_window);
4144 gdk_region_get_clipbox (updates, &rect);
4146 gdk_rectangle_union (area, &rect, area);
4148 gdk_region_destroy (updates);
4151 if (!text_view->onscreen_validated)
4153 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.");
4154 g_assert_not_reached ();
4158 printf ("painting %d,%d %d x %d\n",
4160 area->width, area->height);
4163 child_exposes = NULL;
4164 gtk_text_layout_draw (text_view->layout,
4166 text_view->text_window->bin_window,
4171 area->width, area->height,
4174 tmp_list = child_exposes;
4175 while (tmp_list != NULL)
4177 GtkWidget *child = tmp_list->data;
4179 gtk_container_propagate_expose (GTK_CONTAINER (text_view),
4183 g_object_unref (child);
4185 tmp_list = tmp_list->next;
4188 g_list_free (child_exposes);
4192 gtk_text_view_expose_event (GtkWidget *widget, GdkEventExpose *event)
4196 if (event->window == gtk_text_view_get_window (GTK_TEXT_VIEW (widget),
4197 GTK_TEXT_WINDOW_TEXT))
4199 DV(g_print (">Exposed ("G_STRLOC")\n"));
4200 gtk_text_view_paint (widget, &event->area, event);
4203 if (event->window == widget->window)
4204 gtk_text_view_draw_focus (widget);
4206 /* Propagate exposes to all children not in the buffer. */
4207 tmp_list = GTK_TEXT_VIEW (widget)->children;
4208 while (tmp_list != NULL)
4210 GtkTextViewChild *vc = tmp_list->data;
4212 /* propagate_expose checks that event->window matches
4215 if (vc->type != GTK_TEXT_WINDOW_TEXT)
4216 gtk_container_propagate_expose (GTK_CONTAINER (widget),
4220 tmp_list = tmp_list->next;
4227 gtk_text_view_draw_focus (GtkWidget *widget)
4229 gboolean interior_focus;
4231 /* We clear the focus if we are in interior focus mode. */
4232 gtk_widget_style_get (widget,
4233 "interior_focus", &interior_focus,
4236 if (GTK_WIDGET_DRAWABLE (widget))
4238 if (GTK_WIDGET_HAS_FOCUS (widget) && !interior_focus)
4240 gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
4241 NULL, widget, "textview",
4243 widget->allocation.width,
4244 widget->allocation.height);
4248 gdk_window_clear (widget->window);
4254 gtk_text_view_focus (GtkWidget *widget,
4255 GtkDirectionType direction)
4257 GtkTextView *text_view;
4258 GtkContainer *container;
4261 text_view = GTK_TEXT_VIEW (widget);
4262 container = GTK_CONTAINER (widget);
4264 if (!gtk_widget_is_focus (widget) &&
4265 container->focus_child == NULL)
4267 gtk_widget_grab_focus (widget);
4273 * Unset CAN_FOCUS flag so that gtk_container_focus() allows
4274 * children to get the focus
4276 GTK_WIDGET_UNSET_FLAGS (widget, GTK_CAN_FOCUS);
4277 result = GTK_WIDGET_CLASS (parent_class)->focus (widget, direction);
4278 GTK_WIDGET_SET_FLAGS (widget, GTK_CAN_FOCUS);
4289 gtk_text_view_add (GtkContainer *container,
4292 g_return_if_fail (GTK_IS_TEXT_VIEW (container));
4293 g_return_if_fail (GTK_IS_WIDGET (child));
4295 /* This is pretty random. */
4296 gtk_text_view_add_child_in_window (GTK_TEXT_VIEW (container),
4298 GTK_TEXT_WINDOW_WIDGET,
4303 gtk_text_view_remove (GtkContainer *container,
4307 GtkTextView *text_view;
4308 GtkTextViewChild *vc;
4310 g_return_if_fail (GTK_IS_TEXT_VIEW (container));
4311 g_return_if_fail (GTK_IS_WIDGET (child));
4312 g_return_if_fail (child->parent == (GtkWidget*) container);
4314 text_view = GTK_TEXT_VIEW (container);
4317 iter = text_view->children;
4319 while (iter != NULL)
4323 if (vc->widget == child)
4326 iter = g_slist_next (iter);
4329 g_assert (iter != NULL); /* be sure we had the child in the list */
4331 text_view->children = g_slist_remove (text_view->children, vc);
4333 gtk_widget_unparent (vc->widget);
4335 text_view_child_free (vc);
4339 gtk_text_view_forall (GtkContainer *container,
4340 gboolean include_internals,
4341 GtkCallback callback,
4342 gpointer callback_data)
4345 GtkTextView *text_view;
4348 g_return_if_fail (GTK_IS_TEXT_VIEW (container));
4349 g_return_if_fail (callback != NULL);
4351 text_view = GTK_TEXT_VIEW (container);
4353 copy = g_slist_copy (text_view->children);
4356 while (iter != NULL)
4358 GtkTextViewChild *vc = iter->data;
4360 (* callback) (vc->widget, callback_data);
4362 iter = g_slist_next (iter);
4365 g_slist_free (copy);
4368 #define CURSOR_ON_MULTIPLIER 0.66
4369 #define CURSOR_OFF_MULTIPLIER 0.34
4370 #define CURSOR_PEND_MULTIPLIER 1.0
4373 cursor_blinks (GtkTextView *text_view)
4375 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
4378 #ifdef DEBUG_VALIDATION_AND_SCROLLING
4381 if (gtk_debug_flags & GTK_DEBUG_UPDATES)
4384 g_object_get (settings, "gtk-cursor-blink", &blink, NULL);
4389 get_cursor_time (GtkTextView *text_view)
4391 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
4394 g_object_get (settings, "gtk-cursor-blink-time", &time, NULL);
4404 blink_cb (gpointer data)
4406 GtkTextView *text_view;
4409 GDK_THREADS_ENTER ();
4411 text_view = GTK_TEXT_VIEW (data);
4413 g_assert (text_view->layout);
4414 g_assert (GTK_WIDGET_HAS_FOCUS (text_view));
4415 g_assert (text_view->cursor_visible);
4417 visible = gtk_text_layout_get_cursor_visible (text_view->layout);
4420 text_view->blink_timeout = g_timeout_add (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER,
4424 text_view->blink_timeout = g_timeout_add (get_cursor_time (text_view) * CURSOR_ON_MULTIPLIER,
4428 gtk_text_layout_set_cursor_visible (text_view->layout,
4431 GDK_THREADS_LEAVE ();
4433 /* Remove ourselves */
4439 gtk_text_view_stop_cursor_blink (GtkTextView *text_view)
4441 if (text_view->blink_timeout)
4443 g_source_remove (text_view->blink_timeout);
4444 text_view->blink_timeout = 0;
4449 gtk_text_view_check_cursor_blink (GtkTextView *text_view)
4451 if (text_view->layout != NULL &&
4452 text_view->cursor_visible &&
4453 GTK_WIDGET_HAS_FOCUS (text_view))
4455 if (cursor_blinks (text_view))
4457 if (text_view->blink_timeout == 0)
4459 gtk_text_layout_set_cursor_visible (text_view->layout, TRUE);
4461 text_view->blink_timeout = g_timeout_add (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER,
4467 gtk_text_layout_set_cursor_visible (text_view->layout, TRUE);
4471 gtk_text_view_stop_cursor_blink (text_view);
4476 gtk_text_view_pend_cursor_blink(GtkTextView *text_view)
4478 if (text_view->layout != NULL &&
4479 text_view->cursor_visible &&
4480 GTK_WIDGET_HAS_FOCUS (text_view) &&
4481 cursor_blinks (text_view))
4483 if (text_view->blink_timeout != 0)
4485 g_source_remove (text_view->blink_timeout);
4486 text_view->blink_timeout = 0;
4489 gtk_text_layout_set_cursor_visible (text_view->layout, TRUE);
4491 text_view->blink_timeout = g_timeout_add (get_cursor_time (text_view) * CURSOR_PEND_MULTIPLIER,
4499 * Key binding handlers
4503 gtk_text_view_move_iter_by_lines (GtkTextView *text_view,
4504 GtkTextIter *newplace,
4509 gtk_text_layout_move_iter_to_previous_line (text_view->layout, newplace);
4515 gtk_text_layout_move_iter_to_next_line (text_view->layout, newplace);
4521 move_cursor (GtkTextView *text_view,
4522 const GtkTextIter *new_location,
4523 gboolean extend_selection)
4525 if (extend_selection)
4526 gtk_text_buffer_move_mark_by_name (get_buffer (text_view),
4530 gtk_text_buffer_place_cursor (get_buffer (text_view),
4535 gtk_text_view_move_cursor_internal (GtkTextView *text_view,
4536 GtkMovementStep step,
4538 gboolean extend_selection)
4541 GtkTextIter newplace;
4543 gint cursor_x_pos = 0;
4545 if (!text_view->cursor_visible)
4547 GtkScrollStep scroll_step;
4551 case GTK_MOVEMENT_LOGICAL_POSITIONS:
4552 case GTK_MOVEMENT_VISUAL_POSITIONS:
4553 case GTK_MOVEMENT_WORDS:
4554 scroll_step = GTK_SCROLL_HORIZONTAL_STEPS;
4556 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
4557 scroll_step = GTK_SCROLL_HORIZONTAL_ENDS;
4559 case GTK_MOVEMENT_DISPLAY_LINES:
4560 case GTK_MOVEMENT_PARAGRAPHS:
4561 case GTK_MOVEMENT_PARAGRAPH_ENDS:
4562 scroll_step = GTK_SCROLL_STEPS;
4564 case GTK_MOVEMENT_PAGES:
4565 scroll_step = GTK_SCROLL_PAGES;
4567 case GTK_MOVEMENT_HORIZONTAL_PAGES:
4568 scroll_step = GTK_SCROLL_HORIZONTAL_PAGES;
4570 case GTK_MOVEMENT_BUFFER_ENDS:
4571 scroll_step = GTK_SCROLL_ENDS;
4574 scroll_step = GTK_SCROLL_PAGES;
4578 gtk_text_view_move_viewport (text_view, scroll_step, count);
4583 gtk_text_view_reset_im_context (text_view);
4585 if (step == GTK_MOVEMENT_PAGES)
4587 gtk_text_view_scroll_pages (text_view, count, extend_selection);
4588 gtk_text_view_pend_cursor_blink (text_view);
4591 else if (step == GTK_MOVEMENT_HORIZONTAL_PAGES)
4593 gtk_text_view_scroll_hpages (text_view, count, extend_selection);
4594 gtk_text_view_pend_cursor_blink (text_view);
4598 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
4599 gtk_text_buffer_get_mark (get_buffer (text_view),
4603 if (step == GTK_MOVEMENT_DISPLAY_LINES)
4604 gtk_text_view_get_virtual_cursor_pos (text_view, &cursor_x_pos, NULL);
4608 case GTK_MOVEMENT_LOGICAL_POSITIONS:
4609 gtk_text_iter_forward_visible_cursor_positions (&newplace, count);
4612 case GTK_MOVEMENT_VISUAL_POSITIONS:
4613 gtk_text_layout_move_iter_visually (text_view->layout,
4617 case GTK_MOVEMENT_WORDS:
4619 gtk_text_iter_backward_visible_word_starts (&newplace, -count);
4621 gtk_text_iter_forward_visible_word_ends (&newplace, count);
4624 case GTK_MOVEMENT_DISPLAY_LINES:
4625 gtk_text_view_move_iter_by_lines (text_view, &newplace, count);
4626 gtk_text_layout_move_iter_to_x (text_view->layout, &newplace, cursor_x_pos);
4629 case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
4631 gtk_text_view_move_iter_by_lines (text_view, &newplace, --count);
4632 else if (count < -1)
4633 gtk_text_view_move_iter_by_lines (text_view, &newplace, ++count);
4636 gtk_text_layout_move_iter_to_line_end (text_view->layout, &newplace, count);
4639 case GTK_MOVEMENT_PARAGRAPHS:
4642 if (!gtk_text_iter_ends_line (&newplace))
4644 gtk_text_iter_forward_to_line_end (&newplace);
4647 gtk_text_iter_forward_lines (&newplace, count);
4648 gtk_text_iter_forward_to_line_end (&newplace);
4652 if (gtk_text_iter_get_line_offset (&newplace) > 0)
4654 gtk_text_iter_set_line_offset (&newplace, 0);
4657 gtk_text_iter_forward_lines (&newplace, count);
4658 gtk_text_iter_set_line_offset (&newplace, 0);
4662 case GTK_MOVEMENT_PARAGRAPH_ENDS:
4665 if (!gtk_text_iter_ends_line (&newplace))
4666 gtk_text_iter_forward_to_line_end (&newplace);
4670 gtk_text_iter_set_line_offset (&newplace, 0);
4674 case GTK_MOVEMENT_BUFFER_ENDS:
4676 gtk_text_buffer_get_end_iter (get_buffer (text_view), &newplace);
4678 gtk_text_buffer_get_iter_at_offset (get_buffer (text_view), &newplace, 0);
4685 /* call move_cursor() even if the cursor hasn't moved, since it
4686 cancels the selection
4688 move_cursor (text_view, &newplace, extend_selection);
4690 if (!gtk_text_iter_equal (&insert, &newplace))
4692 DV(g_print (G_STRLOC": scrolling onscreen\n"));
4693 gtk_text_view_scroll_mark_onscreen (text_view,
4694 gtk_text_buffer_get_mark (get_buffer (text_view),
4697 if (step == GTK_MOVEMENT_DISPLAY_LINES)
4699 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, -1);
4703 gtk_text_view_pend_cursor_blink (text_view);
4707 gtk_text_view_move_cursor (GtkTextView *text_view,
4708 GtkMovementStep step,
4710 gboolean extend_selection)
4712 gtk_text_view_move_cursor_internal (text_view, step, count, extend_selection);
4716 gtk_text_view_page_horizontally (GtkTextView *text_view,
4718 gboolean extend_selection)
4720 gtk_text_view_move_cursor_internal (text_view, GTK_MOVEMENT_HORIZONTAL_PAGES,
4721 count, extend_selection);
4726 gtk_text_view_move_viewport (GtkTextView *text_view,
4730 GtkAdjustment *adjustment;
4735 case GTK_SCROLL_STEPS:
4736 case GTK_SCROLL_PAGES:
4737 case GTK_SCROLL_ENDS:
4738 adjustment = get_vadjustment (text_view);
4740 case GTK_SCROLL_HORIZONTAL_STEPS:
4741 case GTK_SCROLL_HORIZONTAL_PAGES:
4742 case GTK_SCROLL_HORIZONTAL_ENDS:
4743 adjustment = get_hadjustment (text_view);
4746 adjustment = get_vadjustment (text_view);
4752 case GTK_SCROLL_STEPS:
4753 case GTK_SCROLL_HORIZONTAL_STEPS:
4754 increment = adjustment->step_increment;
4756 case GTK_SCROLL_PAGES:
4757 case GTK_SCROLL_HORIZONTAL_PAGES:
4758 increment = adjustment->page_increment;
4760 case GTK_SCROLL_ENDS:
4761 case GTK_SCROLL_HORIZONTAL_ENDS:
4762 increment = adjustment->upper - adjustment->lower;
4769 set_adjustment_clamped (adjustment, adjustment->value + count * increment);
4773 gtk_text_view_set_anchor (GtkTextView *text_view)
4777 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
4778 gtk_text_buffer_get_mark (get_buffer (text_view),
4781 gtk_text_buffer_create_mark (get_buffer (text_view), "anchor", &insert, TRUE);
4785 gtk_text_view_scroll_pages (GtkTextView *text_view,
4787 gboolean extend_selection)
4792 gint cursor_x_pos, cursor_y_pos;
4793 GtkTextIter new_insert;
4797 g_return_if_fail (text_view->vadjustment != NULL);
4799 cancel_pending_scroll (text_view);
4801 adj = text_view->vadjustment;
4803 /* Make sure we start from the current cursor position, even
4804 * if it was offscreen.
4806 gtk_text_view_scroll_mark_onscreen (text_view,
4807 gtk_text_buffer_get_mark (get_buffer (text_view),
4810 /* Validate the region that will be brought into view by the cursor motion
4814 gtk_text_view_get_first_para_iter (text_view, &anchor);
4815 y0 = adj->page_size;
4816 y1 = adj->page_size + count * adj->page_increment;
4820 gtk_text_view_get_first_para_iter (text_view, &anchor);
4821 y0 = count * adj->page_increment + adj->page_size;
4825 gtk_text_layout_validate_yrange (text_view->layout, &anchor, y0, y1);
4826 /* FIXME do we need to update the adjustment ranges here? */
4828 if (count < 0 && adj->value <= (adj->lower + 1e-12))
4830 /* already at top, just be sure we are at offset 0 */
4831 gtk_text_buffer_get_start_iter (get_buffer (text_view), &new_insert);
4832 move_cursor (text_view, &new_insert, extend_selection);
4834 else if (count > 0 && adj->value >= (adj->upper - adj->page_size - 1e-12))
4836 /* already at bottom, just be sure we are at the end */
4837 gtk_text_buffer_get_end_iter (get_buffer (text_view), &new_insert);
4838 move_cursor (text_view, &new_insert, extend_selection);
4842 gtk_text_view_get_virtual_cursor_pos (text_view, &cursor_x_pos, &cursor_y_pos);
4844 newval = adj->value;
4845 oldval = adj->value;
4847 newval += count * adj->page_increment;
4849 set_adjustment_clamped (adj, newval);
4850 cursor_y_pos += adj->value - oldval;
4852 gtk_text_layout_get_iter_at_pixel (text_view->layout, &new_insert, cursor_x_pos, cursor_y_pos);
4853 clamp_iter_onscreen (text_view, &new_insert);
4854 move_cursor (text_view, &new_insert, extend_selection);
4856 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
4859 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
4860 * only guarantees 1 pixel onscreen.
4862 DV(g_print (G_STRLOC": scrolling onscreen\n"));
4863 gtk_text_view_scroll_mark_onscreen (text_view,
4864 gtk_text_buffer_get_mark (get_buffer (text_view),
4869 gtk_text_view_scroll_hpages (GtkTextView *text_view,
4871 gboolean extend_selection)
4876 gint cursor_x_pos, cursor_y_pos;
4877 GtkTextIter new_insert;
4880 g_return_if_fail (text_view->hadjustment != NULL);
4882 cancel_pending_scroll (text_view);
4884 adj = text_view->hadjustment;
4886 /* Make sure we start from the current cursor position, even
4887 * if it was offscreen.
4889 gtk_text_view_scroll_mark_onscreen (text_view,
4890 gtk_text_buffer_get_mark (get_buffer (text_view),
4893 /* Validate the line that we're moving within.
4895 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
4897 gtk_text_buffer_get_mark (get_buffer (text_view), "insert"));
4898 gtk_text_layout_get_line_yrange (text_view->layout, &new_insert, &y, &height);
4899 gtk_text_layout_validate_yrange (text_view->layout, &new_insert, y, y + height);
4900 /* FIXME do we need to update the adjustment ranges here? */
4902 if (count < 0 && adj->value <= (adj->lower + 1e-12))
4904 /* already at far left, just be sure we are at offset 0 */
4905 gtk_text_iter_set_line_offset (&new_insert, 0);
4906 move_cursor (text_view, &new_insert, extend_selection);
4908 else if (count > 0 && adj->value >= (adj->upper - adj->page_size - 1e-12))
4910 /* already at far right, just be sure we are at the end */
4911 gtk_text_iter_forward_to_line_end (&new_insert);
4912 move_cursor (text_view, &new_insert, extend_selection);
4916 gtk_text_view_get_virtual_cursor_pos (text_view, &cursor_x_pos, &cursor_y_pos);
4918 newval = adj->value;
4919 oldval = adj->value;
4921 newval += count * adj->page_increment;
4923 set_adjustment_clamped (adj, newval);
4924 cursor_x_pos += adj->value - oldval;
4926 gtk_text_layout_get_iter_at_pixel (text_view->layout, &new_insert, cursor_x_pos, cursor_y_pos);
4927 clamp_iter_onscreen (text_view, &new_insert);
4928 move_cursor (text_view, &new_insert, extend_selection);
4930 gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
4933 /* FIXME for lines shorter than the overall widget width, this results in a
4934 * "bounce" effect as we scroll to the right of the widget, then scroll
4935 * back to get the end of the line onscreen.
4936 * http://bugzilla.gnome.org/show_bug.cgi?id=68963
4939 /* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
4940 * only guarantees 1 pixel onscreen.
4942 DV(g_print (G_STRLOC": scrolling onscreen\n"));
4943 gtk_text_view_scroll_mark_onscreen (text_view,
4944 gtk_text_buffer_get_mark (get_buffer (text_view),
4949 whitespace (gunichar ch, gpointer user_data)
4951 return (ch == ' ' || ch == '\t');
4955 not_whitespace (gunichar ch, gpointer user_data)
4957 return !whitespace (ch, user_data);
4961 find_whitepace_region (const GtkTextIter *center,
4962 GtkTextIter *start, GtkTextIter *end)
4967 if (gtk_text_iter_backward_find_char (start, not_whitespace, NULL, NULL))
4968 gtk_text_iter_forward_char (start); /* we want the first whitespace... */
4969 if (whitespace (gtk_text_iter_get_char (end), NULL))
4970 gtk_text_iter_forward_find_char (end, not_whitespace, NULL, NULL);
4972 return !gtk_text_iter_equal (start, end);
4976 gtk_text_view_insert_at_cursor (GtkTextView *text_view,
4979 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
4980 text_view->editable);
4984 gtk_text_view_delete_from_cursor (GtkTextView *text_view,
4991 gboolean leave_one = FALSE;
4993 gtk_text_view_reset_im_context (text_view);
4995 if (type == GTK_DELETE_CHARS)
4997 /* Char delete deletes the selection, if one exists */
4998 if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
4999 text_view->editable))
5003 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
5005 gtk_text_buffer_get_mark (get_buffer (text_view),
5013 case GTK_DELETE_CHARS:
5014 gtk_text_iter_forward_cursor_positions (&end, count);
5017 case GTK_DELETE_WORD_ENDS:
5019 gtk_text_iter_forward_word_ends (&end, count);
5021 gtk_text_iter_backward_word_starts (&start, 0 - count);
5024 case GTK_DELETE_WORDS:
5027 case GTK_DELETE_DISPLAY_LINE_ENDS:
5030 case GTK_DELETE_DISPLAY_LINES:
5033 case GTK_DELETE_PARAGRAPH_ENDS:
5034 /* If we're already at a newline, we need to
5035 * simply delete that newline, instead of
5036 * moving to the next one.
5038 if (gtk_text_iter_ends_line (&end))
5040 gtk_text_iter_forward_line (&end);
5046 if (!gtk_text_iter_forward_to_line_end (&end))
5052 /* FIXME figure out what a negative count means
5056 case GTK_DELETE_PARAGRAPHS:
5059 gtk_text_iter_set_line_offset (&start, 0);
5060 gtk_text_iter_forward_to_line_end (&end);
5062 /* Do the lines beyond the first. */
5065 gtk_text_iter_forward_to_line_end (&end);
5071 /* FIXME negative count? */
5075 case GTK_DELETE_WHITESPACE:
5077 find_whitepace_region (&insert, &start, &end);
5085 if (!gtk_text_iter_equal (&start, &end))
5087 gtk_text_buffer_begin_user_action (get_buffer (text_view));
5089 if (gtk_text_buffer_delete_interactive (get_buffer (text_view), &start, &end,
5090 text_view->editable))
5093 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view),
5095 text_view->editable);
5098 gtk_text_buffer_end_user_action (get_buffer (text_view));
5100 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5101 gtk_text_view_scroll_mark_onscreen (text_view,
5102 gtk_text_buffer_get_mark (get_buffer (text_view), "insert"));
5107 gtk_text_view_cut_clipboard (GtkTextView *text_view)
5109 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
5110 GDK_SELECTION_CLIPBOARD);
5112 gtk_text_buffer_cut_clipboard (get_buffer (text_view),
5114 text_view->editable);
5115 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5116 gtk_text_view_scroll_mark_onscreen (text_view,
5117 gtk_text_buffer_get_mark (get_buffer (text_view),
5122 gtk_text_view_copy_clipboard (GtkTextView *text_view)
5124 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
5125 GDK_SELECTION_CLIPBOARD);
5127 gtk_text_buffer_copy_clipboard (get_buffer (text_view),
5129 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5130 gtk_text_view_scroll_mark_onscreen (text_view,
5131 gtk_text_buffer_get_mark (get_buffer (text_view),
5136 gtk_text_view_paste_clipboard (GtkTextView *text_view)
5138 GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
5139 GDK_SELECTION_CLIPBOARD);
5141 gtk_text_buffer_paste_clipboard (get_buffer (text_view),
5144 text_view->editable);
5145 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5146 gtk_text_view_scroll_mark_onscreen (text_view,
5147 gtk_text_buffer_get_mark (get_buffer (text_view),
5152 gtk_text_view_toggle_overwrite (GtkTextView *text_view)
5154 text_view->overwrite_mode = !text_view->overwrite_mode;
5155 g_object_notify (G_OBJECT (text_view), "overwrite");
5159 * gtk_text_view_get_overwrite:
5160 * @text_view: a #GtkTextView
5162 * Returns whether the #GtkTextView is in overwrite mode or not.
5164 * Return value: whether @text_view is in overwrite mode or not.
5169 gtk_text_view_get_overwrite (GtkTextView *text_view)
5171 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
5173 return text_view->overwrite_mode;
5177 * gtk_text_view_set_overwrite:
5178 * @text_view: a #GtkTextView
5179 * @overwrite: %TRUE to turn on overwrite mode, %FALSE to turn it off
5181 * Changes the #GtkTextView overwrite mode.
5186 gtk_text_view_set_overwrite (GtkTextView *text_view,
5189 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
5190 overwrite = overwrite != FALSE;
5192 if (text_view->overwrite_mode != overwrite)
5194 text_view->overwrite_mode = overwrite;
5196 g_object_notify (G_OBJECT (text_view), "overwrite");
5201 * gtk_text_view_set_accepts_tab:
5202 * @text_view: A #GtkTextView
5203 * @accepts_tab: %TRUE if pressing the Tab key should insert a tab character, %FALSE, if pressing the Tab key should move the keyboard focus.
5205 * Sets the behavior of the text widget when the Tab key is pressed. If @accepts_tab
5206 * is %TRUE a tab character is inserted. If @accepts_tab is %FALSE the keyboard focus
5207 * is moved to the next widget in the focus chain.
5212 gtk_text_view_set_accepts_tab (GtkTextView *text_view,
5213 gboolean accepts_tab)
5215 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
5217 accepts_tab = accepts_tab != FALSE;
5219 if (text_view->accepts_tab != accepts_tab)
5221 text_view->accepts_tab = accepts_tab;
5223 g_object_notify (G_OBJECT (text_view), "accepts_tab");
5228 * gtk_text_view_get_accepts_tab:
5229 * @text_view: A #GtkTextView
5231 * Returns whether pressing the Tab key inserts a tab characters.
5232 * gtk_text_view_set_accepts_tab().
5234 * Return value: %TRUE if pressing the Tab key inserts a tab character, %FALSE if pressing the Tab key moves the keyboard focus.
5239 gtk_text_view_get_accepts_tab (GtkTextView *text_view)
5241 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
5243 return text_view->accepts_tab;
5247 gtk_text_view_move_focus (GtkTextView *text_view,
5248 GtkDirectionType direction_type)
5250 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (text_view));
5252 if (!GTK_WIDGET_TOPLEVEL (toplevel))
5255 /* Propagate to toplevel */
5256 g_signal_emit_by_name (toplevel, "move_focus", direction_type);
5264 gtk_text_view_unselect (GtkTextView *text_view)
5268 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
5270 gtk_text_buffer_get_mark (get_buffer (text_view),
5273 gtk_text_buffer_move_mark (get_buffer (text_view),
5274 gtk_text_buffer_get_mark (get_buffer (text_view),
5280 move_mark_to_pointer_and_scroll (GtkTextView *text_view,
5281 const gchar *mark_name)
5284 GdkModifierType state;
5285 GtkTextIter newplace;
5287 /* DV(g_print (G_STRLOC": begin\n")); */
5289 gdk_window_get_pointer (text_view->text_window->bin_window,
5292 /* DV(g_print (G_STRLOC": get iter at pixel\n"); */
5293 gtk_text_layout_get_iter_at_pixel (text_view->layout,
5295 x + text_view->xoffset,
5296 y + text_view->yoffset);
5300 gtk_text_buffer_get_mark (get_buffer (text_view), mark_name);
5302 /* This may invalidate the layout */
5303 DV(g_print (G_STRLOC": move mark\n"));
5304 gtk_text_buffer_move_mark (get_buffer (text_view),
5308 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5309 gtk_text_view_scroll_mark_onscreen (text_view, mark);
5312 DV (g_print ("first validate idle leaving %s is %d\n",
5313 G_STRLOC, text_view->first_validate_idle));
5317 selection_scan_timeout (gpointer data)
5319 GtkTextView *text_view;
5321 GDK_THREADS_ENTER ();
5323 text_view = GTK_TEXT_VIEW (data);
5325 DV(g_print (G_STRLOC": calling move_mark_to_pointer_and_scroll\n"));
5326 gtk_text_view_scroll_mark_onscreen (text_view,
5327 gtk_text_buffer_get_mark (get_buffer (text_view),
5330 GDK_THREADS_LEAVE ();
5332 return TRUE; /* remain installed. */
5335 #define DND_SCROLL_MARGIN 0.20
5338 drag_scan_timeout (gpointer data)
5340 GtkTextView *text_view;
5342 GdkModifierType state;
5343 GtkTextIter newplace;
5345 GDK_THREADS_ENTER ();
5347 text_view = GTK_TEXT_VIEW (data);
5349 gdk_window_get_pointer (text_view->text_window->bin_window,
5352 gtk_text_layout_get_iter_at_pixel (text_view->layout,
5354 x + text_view->xoffset,
5355 y + text_view->yoffset);
5357 gtk_text_buffer_move_mark (get_buffer (text_view),
5358 text_view->dnd_mark,
5361 DV(g_print (G_STRLOC": scrolling onscreen\n"));
5362 gtk_text_view_scroll_to_mark (text_view,
5363 text_view->dnd_mark,
5364 DND_SCROLL_MARGIN, FALSE, 0.0, 0.0);
5366 GDK_THREADS_LEAVE ();
5376 } SelectionGranularity;
5379 * Move @start and @end to the boundaries of the selection unit (indicated by
5380 * @granularity) which contained @start initially. Return wether @start was
5381 * contained in a selection unit at all (which may not be the case for words).
5384 extend_selection (GtkTextView *text_view,
5385 SelectionGranularity granularity,
5389 gboolean extend = TRUE;
5393 if (granularity == SELECT_WORDS)
5395 if (gtk_text_iter_inside_word (start))
5397 if (!gtk_text_iter_starts_word (start))
5398 gtk_text_iter_backward_visible_word_start (start);
5400 if (!gtk_text_iter_ends_word (end))
5401 gtk_text_iter_forward_visible_word_end (end);
5406 else if (granularity == SELECT_LINES)
5408 if (gtk_text_view_starts_display_line (text_view, start))
5410 /* If on a display line boundary, we assume the user
5411 * clicked off the end of a line and we therefore select
5412 * the line before the boundary.
5414 gtk_text_view_backward_display_line_start (text_view, start);
5418 /* start isn't on the start of a line, so we move it to the
5419 * start, and move end to the end unless it's already there.
5421 gtk_text_view_backward_display_line_start (text_view, start);
5423 if (!gtk_text_view_starts_display_line (text_view, end))
5424 gtk_text_view_forward_display_line_end (text_view, end);
5432 selection_motion_event_handler (GtkTextView *text_view, GdkEventMotion *event, gpointer data)
5434 SelectionGranularity granularity = GPOINTER_TO_INT (data);
5436 if (granularity == SELECT_CHARACTERS)
5438 move_mark_to_pointer_and_scroll (text_view, "insert");
5443 GdkModifierType state;
5444 GtkTextIter start, end;
5445 GtkTextIter old_start, old_end;
5446 GtkTextIter ins, bound;
5447 GtkTextBuffer *buffer;
5449 buffer = get_buffer (text_view);
5451 gdk_window_get_pointer (text_view->text_window->bin_window,
5454 gtk_text_layout_get_iter_at_pixel (text_view->layout,
5456 event->x + text_view->xoffset,
5457 event->y + text_view->yoffset);
5459 if (extend_selection (text_view, granularity, &start, &end))
5461 /* Extend selection */
5462 gtk_text_buffer_get_iter_at_mark (buffer,
5464 gtk_text_buffer_get_insert (buffer));
5465 gtk_text_buffer_get_iter_at_mark (buffer,
5467 gtk_text_buffer_get_selection_bound (buffer));
5469 if (gtk_text_iter_compare (&ins, &bound) < 0)
5480 if (gtk_text_iter_compare (&start, &old_start) < 0)
5482 /* newly selected unit before the current selection */
5486 else if (gtk_text_iter_compare (&old_end, &end) < 0)
5488 /* newly selected unit after the current selection */
5492 else if (gtk_text_iter_equal (&ins, &old_start))
5494 /* newly selected unit inside the current selection
5496 if (!gtk_text_iter_equal (&ins, &start))
5501 /* newly selected unit inside the current selection
5503 if (!gtk_text_iter_equal (&ins, &end))
5507 gtk_text_buffer_select_range (buffer, &ins, &bound);
5510 gtk_text_view_scroll_mark_onscreen (text_view,
5511 gtk_text_buffer_get_mark (buffer,
5516 /* If we had to scroll offscreen, insert a timeout to do so
5517 * again. Note that in the timeout, even if the mouse doesn't
5518 * move, due to this scroll xoffset/yoffset will have changed
5519 * and we'll need to scroll again.
5521 if (text_view->scroll_timeout != 0) /* reset on every motion event */
5522 g_source_remove (text_view->scroll_timeout);
5524 text_view->scroll_timeout =
5525 g_timeout_add (50, selection_scan_timeout, text_view);
5531 gtk_text_view_start_selection_drag (GtkTextView *text_view,
5532 const GtkTextIter *iter,
5533 GdkEventButton *button)
5535 GtkTextIter start, end;
5536 GtkTextBuffer *buffer;
5537 SelectionGranularity granularity;
5539 g_return_if_fail (text_view->selection_drag_handler == 0);
5541 if (button->type == GDK_2BUTTON_PRESS)
5542 granularity = SELECT_WORDS;
5543 else if (button->type == GDK_3BUTTON_PRESS)
5544 granularity = SELECT_LINES;
5546 granularity = SELECT_CHARACTERS;
5548 gtk_grab_add (GTK_WIDGET (text_view));
5550 buffer = get_buffer (text_view);
5554 extend_selection (text_view, granularity, &start, &end);
5556 if (button->state & GDK_SHIFT_MASK)
5558 /* Extend selection */
5559 GtkTextIter old_start, old_end;
5561 gtk_text_buffer_get_selection_bounds (buffer, &old_start, &old_end);
5563 gtk_text_iter_order (&start, &old_start);
5564 gtk_text_iter_order (&old_end, &end);
5566 /* Now start is the first of the starts, and end is the
5571 gtk_text_buffer_select_range (buffer, &end, &start);
5573 text_view->selection_drag_handler = g_signal_connect (text_view,
5574 "motion_notify_event",
5575 G_CALLBACK (selection_motion_event_handler),
5576 GINT_TO_POINTER (granularity));
5579 /* returns whether we were really dragging */
5581 gtk_text_view_end_selection_drag (GtkTextView *text_view, GdkEventButton *event)
5583 if (text_view->selection_drag_handler == 0)
5586 g_signal_handler_disconnect (text_view, text_view->selection_drag_handler);
5587 text_view->selection_drag_handler = 0;
5589 if (text_view->scroll_timeout != 0)
5591 g_source_remove (text_view->scroll_timeout);
5592 text_view->scroll_timeout = 0;
5595 gtk_grab_remove (GTK_WIDGET (text_view));
5605 gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
5606 GtkTextAttributes *values,
5609 values->appearance.bg_color = style->base[GTK_STATE_NORMAL];
5610 values->appearance.fg_color = style->text[GTK_STATE_NORMAL];
5613 pango_font_description_free (values->font);
5615 values->font = pango_font_description_copy (style->font_desc);
5619 gtk_text_view_check_keymap_direction (GtkTextView *text_view)
5621 if (text_view->layout)
5623 gboolean split_cursor;
5624 GtkTextDirection new_dir;
5625 GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
5627 g_object_get (settings,
5628 "gtk-split-cursor", &split_cursor,
5632 new_dir = GTK_TEXT_DIR_NONE;
5636 GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)));
5637 new_dir = (gdk_keymap_get_direction (keymap) == PANGO_DIRECTION_LTR) ?
5638 GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL;
5641 if (text_view->layout->cursor_direction != new_dir)
5642 gtk_text_layout_set_cursor_direction (text_view->layout, new_dir);
5647 gtk_text_view_ensure_layout (GtkTextView *text_view)
5651 widget = GTK_WIDGET (text_view);
5653 if (text_view->layout == NULL)
5655 GtkTextAttributes *style;
5656 PangoContext *ltr_context, *rtl_context;
5659 DV(g_print(G_STRLOC"\n"));
5661 text_view->layout = gtk_text_layout_new ();
5663 g_signal_connect (text_view->layout,
5665 G_CALLBACK (invalidated_handler),
5668 g_signal_connect (text_view->layout,
5670 G_CALLBACK (changed_handler),
5673 g_signal_connect (text_view->layout,
5675 G_CALLBACK (gtk_text_view_child_allocated),
5678 if (get_buffer (text_view))
5679 gtk_text_layout_set_buffer (text_view->layout, get_buffer (text_view));
5681 if ((GTK_WIDGET_HAS_FOCUS (text_view) && text_view->cursor_visible))
5682 gtk_text_view_pend_cursor_blink (text_view);
5684 gtk_text_layout_set_cursor_visible (text_view->layout, FALSE);
5686 ltr_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
5687 pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
5688 rtl_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
5689 pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
5691 gtk_text_layout_set_contexts (text_view->layout, ltr_context, rtl_context);
5693 g_object_unref (ltr_context);
5694 g_object_unref (rtl_context);
5696 gtk_text_view_check_keymap_direction (text_view);
5698 style = gtk_text_attributes_new ();
5700 gtk_widget_ensure_style (widget);
5701 gtk_text_view_set_attributes_from_style (text_view,
5702 style, widget->style);
5704 style->pixels_above_lines = text_view->pixels_above_lines;
5705 style->pixels_below_lines = text_view->pixels_below_lines;
5706 style->pixels_inside_wrap = text_view->pixels_inside_wrap;
5707 style->left_margin = text_view->left_margin;
5708 style->right_margin = text_view->right_margin;
5709 style->indent = text_view->indent;
5710 style->tabs = text_view->tabs ? pango_tab_array_copy (text_view->tabs) : NULL;
5712 style->wrap_mode = text_view->wrap_mode;
5713 style->justification = text_view->justify;
5714 style->direction = gtk_widget_get_direction (GTK_WIDGET (text_view));
5716 gtk_text_layout_set_default_style (text_view->layout, style);
5718 gtk_text_attributes_unref (style);
5720 /* Set layout for all anchored children */
5722 tmp_list = text_view->children;
5723 while (tmp_list != NULL)
5725 GtkTextViewChild *vc = tmp_list->data;
5729 gtk_text_anchored_child_set_layout (vc->widget,
5731 /* vc may now be invalid! */
5734 tmp_list = g_slist_next (tmp_list);
5737 gtk_text_view_invalidate (text_view);
5742 * gtk_text_view_get_default_attributes:
5743 * @text_view: a #GtkTextView
5745 * Obtains a copy of the default text attributes. These are the
5746 * attributes used for text unless a tag overrides them.
5747 * You'd typically pass the default attributes in to
5748 * gtk_text_iter_get_attributes() in order to get the
5749 * attributes in effect at a given text position.
5751 * The return value is a copy owned by the caller of this function,
5752 * and should be freed.
5754 * Return value: a new #GtkTextAttributes
5757 gtk_text_view_get_default_attributes (GtkTextView *text_view)
5759 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
5761 gtk_text_view_ensure_layout (text_view);
5763 return gtk_text_attributes_copy (text_view->layout->default_style);
5767 gtk_text_view_destroy_layout (GtkTextView *text_view)
5769 if (text_view->layout)
5773 gtk_text_view_remove_validate_idles (text_view);
5775 g_signal_handlers_disconnect_by_func (text_view->layout,
5776 invalidated_handler,
5778 g_signal_handlers_disconnect_by_func (text_view->layout,
5782 /* Remove layout from all anchored children */
5783 tmp_list = text_view->children;
5784 while (tmp_list != NULL)
5786 GtkTextViewChild *vc = tmp_list->data;
5790 gtk_text_anchored_child_set_layout (vc->widget, NULL);
5791 /* vc may now be invalid! */
5794 tmp_list = g_slist_next (tmp_list);
5797 gtk_text_view_stop_cursor_blink (text_view);
5798 gtk_text_view_end_selection_drag (text_view, NULL);
5800 g_object_unref (text_view->layout);
5801 text_view->layout = NULL;
5806 gtk_text_view_reset_im_context (GtkTextView *text_view)
5808 if (text_view->need_im_reset)
5810 text_view->need_im_reset = FALSE;
5811 gtk_im_context_reset (text_view->im_context);
5820 gtk_text_view_start_selection_dnd (GtkTextView *text_view,
5821 const GtkTextIter *iter,
5822 GdkEventMotion *event)
5824 GdkDragContext *context;
5825 GtkTargetList *target_list;
5827 text_view->drag_start_x = -1;
5828 text_view->drag_start_y = -1;
5829 text_view->pending_place_cursor_button = 0;
5831 target_list = gtk_target_list_new (target_table,
5832 G_N_ELEMENTS (target_table));
5834 context = gtk_drag_begin (GTK_WIDGET (text_view), target_list,
5835 GDK_ACTION_COPY | GDK_ACTION_MOVE,
5836 1, (GdkEvent*)event);
5838 gtk_target_list_unref (target_list);
5840 gtk_drag_set_icon_default (context);
5844 gtk_text_view_drag_begin (GtkWidget *widget,
5845 GdkDragContext *context)
5851 gtk_text_view_drag_end (GtkWidget *widget,
5852 GdkDragContext *context)
5854 GtkTextView *text_view;
5856 text_view = GTK_TEXT_VIEW (widget);
5860 gtk_text_view_drag_data_get (GtkWidget *widget,
5861 GdkDragContext *context,
5862 GtkSelectionData *selection_data,
5866 GtkTextView *text_view;
5868 text_view = GTK_TEXT_VIEW (widget);
5870 if (selection_data->target == gdk_atom_intern ("GTK_TEXT_BUFFER_CONTENTS", FALSE))
5872 GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
5874 gtk_selection_data_set (selection_data,
5875 gdk_atom_intern ("GTK_TEXT_BUFFER_CONTENTS", FALSE),
5888 if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
5891 /* Extract the selected text */
5892 str = gtk_text_iter_get_visible_text (&start, &end);
5897 gtk_selection_data_set_text (selection_data, str, -1);
5904 gtk_text_view_drag_data_delete (GtkWidget *widget,
5905 GdkDragContext *context)
5907 GtkTextView *text_view;
5909 text_view = GTK_TEXT_VIEW (widget);
5911 gtk_text_buffer_delete_selection (GTK_TEXT_VIEW (widget)->buffer,
5912 TRUE, GTK_TEXT_VIEW (widget)->editable);
5916 gtk_text_view_drag_leave (GtkWidget *widget,
5917 GdkDragContext *context,
5920 GtkTextView *text_view;
5922 text_view = GTK_TEXT_VIEW (widget);
5924 gtk_text_mark_set_visible (text_view->dnd_mark, FALSE);
5926 if (text_view->scroll_timeout != 0)
5927 g_source_remove (text_view->scroll_timeout);
5929 text_view->scroll_timeout = 0;
5933 gtk_text_view_drag_motion (GtkWidget *widget,
5934 GdkDragContext *context,
5939 GtkTextIter newplace;
5940 GtkTextView *text_view;
5943 GdkRectangle target_rect;
5945 GdkDragAction suggested_action = 0;
5947 text_view = GTK_TEXT_VIEW (widget);
5949 target_rect = text_view->text_window->allocation;
5951 if (x < target_rect.x ||
5952 y < target_rect.y ||
5953 x > (target_rect.x + target_rect.width) ||
5954 y > (target_rect.y + target_rect.height))
5955 return FALSE; /* outside the text window, allow parent widgets to handle event */
5957 gtk_text_view_window_to_buffer_coords (text_view,
5958 GTK_TEXT_WINDOW_WIDGET,
5962 gtk_text_layout_get_iter_at_pixel (text_view->layout,
5966 if (gtk_drag_dest_find_target (widget, context,
5967 gtk_drag_dest_get_target_list (widget)) == GDK_NONE)
5969 /* can't accept any of the offered targets */
5971 else if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
5973 gtk_text_iter_compare (&newplace, &start) >= 0 &&
5974 gtk_text_iter_compare (&newplace, &end) <= 0)
5976 /* We're inside the selection. */
5980 if (gtk_text_iter_can_insert (&newplace, text_view->editable))
5982 GtkWidget *source_widget;
5984 suggested_action = context->suggested_action;
5986 source_widget = gtk_drag_get_source_widget (context);
5988 if (source_widget == widget)
5990 /* Default to MOVE, unless the user has
5991 * pressed ctrl or alt to affect available actions
5993 if ((context->actions & GDK_ACTION_MOVE) != 0)
5994 suggested_action = GDK_ACTION_MOVE;
5999 /* Can't drop here. */
6003 if (suggested_action != 0)
6005 gtk_text_mark_set_visible (text_view->dnd_mark,
6006 text_view->cursor_visible);
6008 gdk_drag_status (context, suggested_action, time);
6012 gdk_drag_status (context, 0, time);
6013 gtk_text_mark_set_visible (text_view->dnd_mark, FALSE);
6016 gtk_text_buffer_move_mark (get_buffer (text_view),
6017 text_view->dnd_mark,
6020 DV(g_print (G_STRLOC": scrolling to mark\n"));
6021 gtk_text_view_scroll_to_mark (text_view,
6022 text_view->dnd_mark,
6023 DND_SCROLL_MARGIN, FALSE, 0.0, 0.0);
6025 if (text_view->scroll_timeout != 0) /* reset on every motion event */
6026 g_source_remove (text_view->scroll_timeout);
6028 text_view->scroll_timeout =
6029 g_timeout_add (50, drag_scan_timeout, text_view);
6031 /* TRUE return means don't propagate the drag motion to parent
6032 * widgets that may also be drop sites.
6038 gtk_text_view_drag_drop (GtkWidget *widget,
6039 GdkDragContext *context,
6044 GtkTextView *text_view;
6045 GtkTextIter drop_point;
6046 GdkAtom target = GDK_NONE;
6048 text_view = GTK_TEXT_VIEW (widget);
6050 if (text_view->scroll_timeout != 0)
6051 g_source_remove (text_view->scroll_timeout);
6053 text_view->scroll_timeout = 0;
6055 gtk_text_mark_set_visible (text_view->dnd_mark, FALSE);
6057 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6059 text_view->dnd_mark);
6061 if (gtk_text_iter_can_insert (&drop_point, text_view->editable))
6062 target = gtk_drag_dest_find_target (widget, context, NULL);
6064 if (target != GDK_NONE)
6065 gtk_drag_get_data (widget, context, target, time);
6067 gtk_drag_finish (context, FALSE, FALSE, time);
6073 insert_text_data (GtkTextView *text_view,
6074 GtkTextIter *drop_point,
6075 GtkSelectionData *selection_data)
6079 str = gtk_selection_data_get_text (selection_data);
6083 gtk_text_buffer_insert_interactive (get_buffer (text_view),
6084 drop_point, str, -1,
6085 text_view->editable);
6091 gtk_text_view_drag_data_received (GtkWidget *widget,
6092 GdkDragContext *context,
6095 GtkSelectionData *selection_data,
6099 GtkTextIter drop_point;
6100 GtkTextView *text_view;
6101 gboolean success = FALSE;
6103 text_view = GTK_TEXT_VIEW (widget);
6105 if (!text_view->dnd_mark)
6108 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6110 text_view->dnd_mark);
6112 if (!gtk_text_iter_can_insert (&drop_point, text_view->editable))
6115 if (selection_data->target == gdk_atom_intern ("GTK_TEXT_BUFFER_CONTENTS", FALSE))
6117 GtkTextBuffer *src_buffer = NULL;
6118 GtkTextIter start, end;
6119 gboolean copy_tags = TRUE;
6121 if (selection_data->length != sizeof (src_buffer))
6124 memcpy (&src_buffer, selection_data->data, sizeof (src_buffer));
6126 if (src_buffer == NULL)
6129 g_return_if_fail (GTK_IS_TEXT_BUFFER (src_buffer));
6131 if (gtk_text_buffer_get_tag_table (src_buffer) !=
6132 gtk_text_buffer_get_tag_table (get_buffer (text_view)))
6135 if (gtk_text_buffer_get_selection_bounds (src_buffer,
6140 gtk_text_buffer_insert_range_interactive (get_buffer (text_view),
6144 text_view->editable);
6149 str = gtk_text_iter_get_visible_text (&start, &end);
6150 gtk_text_buffer_insert_interactive (get_buffer (text_view),
6151 &drop_point, str, -1,
6152 text_view->editable);
6158 insert_text_data (text_view, &drop_point, selection_data);
6160 gtk_text_buffer_place_cursor (get_buffer (text_view), &drop_point);
6165 gtk_drag_finish (context, success,
6166 success && context->action == GDK_ACTION_MOVE,
6170 static GtkAdjustment*
6171 get_hadjustment (GtkTextView *text_view)
6173 if (text_view->hadjustment == NULL)
6174 gtk_text_view_set_scroll_adjustments (text_view,
6175 NULL, /* forces creation */
6176 text_view->vadjustment);
6178 return text_view->hadjustment;
6181 static GtkAdjustment*
6182 get_vadjustment (GtkTextView *text_view)
6184 if (text_view->vadjustment == NULL)
6185 gtk_text_view_set_scroll_adjustments (text_view,
6186 text_view->hadjustment,
6187 NULL); /* forces creation */
6188 return text_view->vadjustment;
6193 gtk_text_view_set_scroll_adjustments (GtkTextView *text_view,
6194 GtkAdjustment *hadj,
6195 GtkAdjustment *vadj)
6197 gboolean need_adjust = FALSE;
6199 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
6202 g_return_if_fail (GTK_IS_ADJUSTMENT (hadj));
6204 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
6206 g_return_if_fail (GTK_IS_ADJUSTMENT (vadj));
6208 vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
6210 if (text_view->hadjustment && (text_view->hadjustment != hadj))
6212 g_signal_handlers_disconnect_by_func (text_view->hadjustment,
6213 gtk_text_view_value_changed,
6215 g_object_unref (text_view->hadjustment);
6218 if (text_view->vadjustment && (text_view->vadjustment != vadj))
6220 g_signal_handlers_disconnect_by_func (text_view->vadjustment,
6221 gtk_text_view_value_changed,
6223 g_object_unref (text_view->vadjustment);
6226 if (text_view->hadjustment != hadj)
6228 text_view->hadjustment = hadj;
6229 g_object_ref (text_view->hadjustment);
6230 gtk_object_sink (GTK_OBJECT (text_view->hadjustment));
6232 g_signal_connect (text_view->hadjustment, "value_changed",
6233 G_CALLBACK (gtk_text_view_value_changed),
6238 if (text_view->vadjustment != vadj)
6240 text_view->vadjustment = vadj;
6241 g_object_ref (text_view->vadjustment);
6242 gtk_object_sink (GTK_OBJECT (text_view->vadjustment));
6244 g_signal_connect (text_view->vadjustment, "value_changed",
6245 G_CALLBACK (gtk_text_view_value_changed),
6251 gtk_text_view_value_changed (NULL, text_view);
6254 /* FIXME this adjust_allocation is a big cut-and-paste from
6255 * GtkCList, needs to be some "official" way to do this
6265 /* The window to which widget->window is relative */
6266 #define ALLOCATION_WINDOW(widget) \
6267 (GTK_WIDGET_NO_WINDOW (widget) ? \
6268 (widget)->window : \
6269 gdk_window_get_parent ((widget)->window))
6272 adjust_allocation_recurse (GtkWidget *widget,
6275 ScrollData *scroll_data = data;
6277 /* Need to really size allocate instead of just poking
6278 * into widget->allocation if the widget is not realized.
6279 * FIXME someone figure out why this was.
6281 if (!GTK_WIDGET_REALIZED (widget))
6283 if (GTK_WIDGET_VISIBLE (widget))
6285 GdkRectangle tmp_rectangle = widget->allocation;
6286 tmp_rectangle.x += scroll_data->dx;
6287 tmp_rectangle.y += scroll_data->dy;
6289 gtk_widget_size_allocate (widget, &tmp_rectangle);
6294 if (ALLOCATION_WINDOW (widget) == scroll_data->window)
6296 widget->allocation.x += scroll_data->dx;
6297 widget->allocation.y += scroll_data->dy;
6299 if (GTK_IS_CONTAINER (widget))
6300 gtk_container_forall (GTK_CONTAINER (widget),
6301 adjust_allocation_recurse,
6308 adjust_allocation (GtkWidget *widget,
6312 ScrollData scroll_data;
6314 if (GTK_WIDGET_REALIZED (widget))
6315 scroll_data.window = ALLOCATION_WINDOW (widget);
6317 scroll_data.window = NULL;
6319 scroll_data.dx = dx;
6320 scroll_data.dy = dy;
6322 adjust_allocation_recurse (widget, &scroll_data);
6326 gtk_text_view_value_changed (GtkAdjustment *adj,
6327 GtkTextView *text_view)
6334 /* Note that we oddly call this function with adj == NULL
6338 text_view->onscreen_validated = FALSE;
6340 DV(g_print(">Scroll offset changed %s/%g, onscreen_validated = FALSE ("G_STRLOC")\n",
6341 adj == text_view->hadjustment ? "hadj" : adj == text_view->vadjustment ? "vadj" : "none",
6342 adj ? adj->value : 0.0));
6344 if (adj == text_view->hadjustment)
6346 dx = text_view->xoffset - (gint)adj->value;
6347 text_view->xoffset = adj->value;
6349 else if (adj == text_view->vadjustment)
6351 dy = text_view->yoffset - (gint)adj->value;
6352 text_view->yoffset = adj->value;
6354 if (text_view->layout)
6356 gtk_text_layout_get_line_at_y (text_view->layout, &iter, adj->value, &line_top);
6358 gtk_text_buffer_move_mark (get_buffer (text_view), text_view->first_para_mark, &iter);
6360 text_view->first_para_pixels = adj->value - line_top;
6364 if (dx != 0 || dy != 0)
6368 if (GTK_WIDGET_REALIZED (text_view))
6372 if (text_view->left_window)
6373 text_window_scroll (text_view->left_window, 0, dy);
6374 if (text_view->right_window)
6375 text_window_scroll (text_view->right_window, 0, dy);
6380 if (text_view->top_window)
6381 text_window_scroll (text_view->top_window, dx, 0);
6382 if (text_view->bottom_window)
6383 text_window_scroll (text_view->bottom_window, dx, 0);
6386 /* It looks nicer to scroll the main area last, because
6387 * it takes a while, and making the side areas update
6388 * afterward emphasizes the slowness of scrolling the
6391 text_window_scroll (text_view->text_window, dx, dy);
6394 /* Children are now "moved" in the text window, poke
6395 * into widget->allocation for each child
6397 tmp_list = text_view->children;
6398 while (tmp_list != NULL)
6400 GtkTextViewChild *child = tmp_list->data;
6403 adjust_allocation (child->widget, dx, dy);
6405 tmp_list = g_slist_next (tmp_list);
6409 /* This could result in invalidation, which would install the
6410 * first_validate_idle, which would validate onscreen;
6411 * but we're going to go ahead and validate here, so
6412 * first_validate_idle shouldn't have anything to do.
6414 gtk_text_view_update_layout_width (text_view);
6416 /* note that validation of onscreen could invoke this function
6417 * recursively, by scrolling to maintain first_para, or in response
6418 * to updating the layout width, however there is no problem with
6419 * that, or shouldn't be.
6421 gtk_text_view_validate_onscreen (text_view);
6423 /* process exposes */
6424 if (GTK_WIDGET_REALIZED (text_view))
6426 DV (g_print ("Processing updates (%s)\n", G_STRLOC));
6428 if (text_view->left_window)
6429 gdk_window_process_updates (text_view->left_window->bin_window, TRUE);
6431 if (text_view->right_window)
6432 gdk_window_process_updates (text_view->right_window->bin_window, TRUE);
6434 if (text_view->top_window)
6435 gdk_window_process_updates (text_view->top_window->bin_window, TRUE);
6437 if (text_view->bottom_window)
6438 gdk_window_process_updates (text_view->bottom_window->bin_window, TRUE);
6440 gdk_window_process_updates (text_view->text_window->bin_window, TRUE);
6443 /* If this got installed, get rid of it, it's just a waste of time. */
6444 if (text_view->first_validate_idle != 0)
6446 g_source_remove (text_view->first_validate_idle);
6447 text_view->first_validate_idle = 0;
6450 gtk_text_view_update_im_spot_location (text_view);
6452 DV(g_print(">End scroll offset changed handler ("G_STRLOC")\n"));
6456 gtk_text_view_commit_handler (GtkIMContext *context,
6458 GtkTextView *text_view)
6460 gtk_text_view_commit_text (text_view, str);
6464 gtk_text_view_commit_text (GtkTextView *text_view,
6467 gboolean had_selection;
6469 gtk_text_buffer_begin_user_action (get_buffer (text_view));
6471 had_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
6474 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6475 text_view->editable);
6477 if (!strcmp (str, "\n"))
6479 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), "\n", 1,
6480 text_view->editable);
6484 if (!had_selection && text_view->overwrite_mode)
6488 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6490 gtk_text_buffer_get_mark (get_buffer (text_view),
6492 if (!gtk_text_iter_ends_line (&insert))
6493 gtk_text_view_delete_from_cursor (text_view, GTK_DELETE_CHARS, 1);
6495 gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
6496 text_view->editable);
6499 gtk_text_buffer_end_user_action (get_buffer (text_view));
6501 DV(g_print (G_STRLOC": scrolling onscreen\n"));
6502 gtk_text_view_scroll_mark_onscreen (text_view,
6503 gtk_text_buffer_get_mark (get_buffer (text_view),
6508 gtk_text_view_preedit_changed_handler (GtkIMContext *context,
6509 GtkTextView *text_view)
6512 PangoAttrList *attrs;
6515 gtk_im_context_get_preedit_string (context, &str, &attrs, &cursor_pos);
6516 gtk_text_layout_set_preedit_string (text_view->layout, str, attrs, cursor_pos);
6517 pango_attr_list_unref (attrs);
6520 gtk_text_view_scroll_mark_onscreen (text_view,
6521 gtk_text_buffer_get_mark (get_buffer (text_view),
6526 gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
6527 GtkTextView *text_view)
6534 gtk_text_buffer_get_iter_at_mark (text_view->buffer, &start,
6535 gtk_text_buffer_get_insert (text_view->buffer));
6538 pos = gtk_text_iter_get_line_index (&start);
6539 gtk_text_iter_set_line_offset (&start, 0);
6540 gtk_text_iter_forward_to_line_end (&end);
6542 text = gtk_text_iter_get_slice (&start, &end);
6543 gtk_im_context_set_surrounding (context, text, -1, pos);
6550 gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
6553 GtkTextView *text_view)
6558 gtk_text_buffer_get_iter_at_mark (text_view->buffer, &start,
6559 gtk_text_buffer_get_insert (text_view->buffer));
6562 gtk_text_iter_forward_chars (&start, offset);
6563 gtk_text_iter_forward_chars (&end, offset + n_chars);
6565 gtk_text_buffer_delete (text_view->buffer, &start, &end);
6571 gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
6572 const GtkTextIter *location,
6576 GtkTextView *text_view = GTK_TEXT_VIEW (data);
6577 gboolean need_reset = FALSE;
6579 if (mark == gtk_text_buffer_get_insert (buffer))
6581 text_view->virtual_cursor_x = -1;
6582 text_view->virtual_cursor_y = -1;
6583 gtk_text_view_update_im_spot_location (text_view);
6586 else if (mark == gtk_text_buffer_get_selection_bound (buffer))
6592 gtk_text_view_reset_im_context (text_view);
6596 gtk_text_view_get_cursor_location (GtkTextView *text_view,
6601 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
6602 gtk_text_buffer_get_mark (get_buffer (text_view),
6605 gtk_text_layout_get_cursor_locations (text_view->layout, &insert, pos, NULL);
6609 gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
6615 if ((x && text_view->virtual_cursor_x == -1) ||
6616 (y && text_view->virtual_cursor_y == -1))
6617 gtk_text_view_get_cursor_location (text_view, &pos);
6621 if (text_view->virtual_cursor_x != -1)
6622 *x = text_view->virtual_cursor_x;
6629 if (text_view->virtual_cursor_x != -1)
6630 *y = text_view->virtual_cursor_y;
6632 *y = pos.y + pos.height / 2;
6637 gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
6643 if (x == -1 || y == -1)
6644 gtk_text_view_get_cursor_location (text_view, &pos);
6646 text_view->virtual_cursor_x = (x == -1) ? pos.x : x;
6647 text_view->virtual_cursor_y = (y == -1) ? pos.y + pos.height / 2 : y;
6650 /* Quick hack of a popup menu
6653 activate_cb (GtkWidget *menuitem,
6654 GtkTextView *text_view)
6656 const gchar *signal = g_object_get_data (G_OBJECT (menuitem), "gtk-signal");
6657 g_signal_emit_by_name (text_view, signal);
6661 append_action_signal (GtkTextView *text_view,
6663 const gchar *stock_id,
6664 const gchar *signal,
6667 GtkWidget *menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
6669 g_object_set_data (G_OBJECT (menuitem), "gtk-signal", (char *)signal);
6670 g_signal_connect (menuitem, "activate",
6671 G_CALLBACK (activate_cb), text_view);
6673 gtk_widget_set_sensitive (menuitem, sensitive);
6675 gtk_widget_show (menuitem);
6676 gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
6680 gtk_text_view_select_all (GtkWidget *widget,
6683 GtkTextView *text_view = GTK_TEXT_VIEW (widget);
6684 GtkTextBuffer *buffer;
6685 GtkTextIter start_iter, end_iter, insert;
6687 buffer = text_view->buffer;
6690 gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
6691 gtk_text_buffer_move_mark_by_name (buffer, "insert", &start_iter);
6692 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &end_iter);
6696 gtk_text_buffer_get_iter_at_mark (buffer, &insert,
6697 gtk_text_buffer_get_insert (buffer));
6698 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &insert);
6703 select_all_cb (GtkWidget *menuitem,
6704 GtkTextView *text_view)
6706 gtk_text_view_select_all (GTK_WIDGET (text_view), TRUE);
6710 delete_cb (GtkTextView *text_view)
6712 gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
6713 text_view->editable);
6717 popup_menu_detach (GtkWidget *attach_widget,
6720 GTK_TEXT_VIEW (attach_widget)->popup_menu = NULL;
6724 popup_position_func (GtkMenu *menu,
6730 GtkTextView *text_view;
6732 GdkRectangle cursor_rect;
6733 GdkRectangle onscreen_rect;
6734 gint root_x, root_y;
6739 text_view = GTK_TEXT_VIEW (user_data);
6740 widget = GTK_WIDGET (text_view);
6742 g_return_if_fail (GTK_WIDGET_REALIZED (text_view));
6744 screen = gtk_widget_get_screen (widget);
6746 gdk_window_get_origin (widget->window, &root_x, &root_y);
6748 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6750 gtk_text_buffer_get_insert (get_buffer (text_view)));
6752 gtk_text_view_get_iter_location (text_view,
6756 gtk_text_view_get_visible_rect (text_view, &onscreen_rect);
6758 gtk_widget_size_request (text_view->popup_menu, &req);
6760 /* can't use rectangle_intersect since cursor rect can have 0 width */
6761 if (cursor_rect.x >= onscreen_rect.x &&
6762 cursor_rect.x < onscreen_rect.x + onscreen_rect.width &&
6763 cursor_rect.y >= onscreen_rect.y &&
6764 cursor_rect.y < onscreen_rect.y + onscreen_rect.height)
6766 gtk_text_view_buffer_to_window_coords (text_view,
6767 GTK_TEXT_WINDOW_WIDGET,
6768 cursor_rect.x, cursor_rect.y,
6769 &cursor_rect.x, &cursor_rect.y);
6771 *x = root_x + cursor_rect.x + cursor_rect.width;
6772 *y = root_y + cursor_rect.y + cursor_rect.height;
6776 /* Just center the menu, since cursor is offscreen. */
6777 *x = root_x + (widget->allocation.width / 2 - req.width / 2);
6778 *y = root_y + (widget->allocation.height / 2 - req.height / 2);
6782 *x = CLAMP (*x, root_x, (root_x + widget->allocation.width));
6783 *y = CLAMP (*y, root_y, (root_y + widget->allocation.height));
6785 *x = CLAMP (*x, 0, MAX (0, gdk_screen_get_width (screen) - req.width));
6786 *y = CLAMP (*y, 0, MAX (0, gdk_screen_get_height (screen) - req.height));
6791 GtkTextView *text_view;
6797 range_contains_editable_text (const GtkTextIter *start,
6798 const GtkTextIter *end,
6799 gboolean default_editability)
6801 GtkTextIter iter = *start;
6803 while (gtk_text_iter_compare (&iter, end) < 0)
6805 if (gtk_text_iter_editable (&iter, default_editability))
6808 gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
6815 unichar_chosen_func (const char *text,
6818 GtkTextView *text_view = GTK_TEXT_VIEW (data);
6820 gtk_text_view_commit_text (text_view, text);
6824 popup_targets_received (GtkClipboard *clipboard,
6825 GtkSelectionData *data,
6828 PopupInfo *info = user_data;
6829 GtkTextView *text_view = info->text_view;
6831 if (GTK_WIDGET_REALIZED (text_view))
6833 /* We implicitely rely here on the fact that if we are pasting ourself, we'll
6834 * have text targets as well as the private GTK_TEXT_BUFFER_CONTENTS target.
6836 gboolean clipboard_contains_text = gtk_selection_data_targets_include_text (data);
6837 GtkWidget *menuitem;
6839 gboolean have_selection;
6840 gboolean can_insert;
6842 GtkTextIter sel_start, sel_end;
6844 if (text_view->popup_menu)
6845 gtk_widget_destroy (text_view->popup_menu);
6847 text_view->popup_menu = gtk_menu_new ();
6849 gtk_menu_attach_to_widget (GTK_MENU (text_view->popup_menu),
6850 GTK_WIDGET (text_view),
6853 have_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
6854 &sel_start, &sel_end);
6856 gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
6858 gtk_text_buffer_get_insert (get_buffer (text_view)));
6860 can_insert = gtk_text_iter_can_insert (&iter, text_view->editable);
6862 append_action_signal (text_view, text_view->popup_menu, GTK_STOCK_CUT, "cut_clipboard",
6864 range_contains_editable_text (&sel_start, &sel_end,
6865 text_view->editable));
6866 append_action_signal (text_view, text_view->popup_menu, GTK_STOCK_COPY, "copy_clipboard",
6868 append_action_signal (text_view, text_view->popup_menu, GTK_STOCK_PASTE, "paste_clipboard",
6869 can_insert && clipboard_contains_text);
6871 menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_DELETE, NULL);
6872 gtk_widget_set_sensitive (menuitem,
6874 range_contains_editable_text (&sel_start, &sel_end,
6875 text_view->editable));
6876 g_signal_connect_swapped (menuitem, "activate",
6877 G_CALLBACK (delete_cb), text_view);
6878 gtk_widget_show (menuitem);
6879 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6881 menuitem = gtk_separator_menu_item_new ();
6882 gtk_widget_show (menuitem);
6883 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6885 menuitem = gtk_menu_item_new_with_mnemonic (_("Select _All"));
6886 g_signal_connect (menuitem, "activate",
6887 G_CALLBACK (select_all_cb), text_view);
6888 gtk_widget_show (menuitem);
6889 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6891 menuitem = gtk_separator_menu_item_new ();
6892 gtk_widget_show (menuitem);
6893 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6895 menuitem = gtk_menu_item_new_with_mnemonic (_("Input _Methods"));
6896 gtk_widget_show (menuitem);
6897 gtk_widget_set_sensitive (menuitem, can_insert);
6899 submenu = gtk_menu_new ();
6900 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
6901 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6903 gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (text_view->im_context),
6904 GTK_MENU_SHELL (submenu));
6906 menuitem = gtk_menu_item_new_with_mnemonic (_("_Insert Unicode Control Character"));
6907 gtk_widget_show (menuitem);
6908 gtk_widget_set_sensitive (menuitem, can_insert);
6910 submenu = gtk_menu_new ();
6911 gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
6912 gtk_menu_shell_append (GTK_MENU_SHELL (text_view->popup_menu), menuitem);
6914 _gtk_text_util_append_special_char_menuitems (GTK_MENU_SHELL (submenu),
6915 unichar_chosen_func,
6918 g_signal_emit (text_view,
6919 signals[POPULATE_POPUP],
6921 text_view->popup_menu);
6924 gtk_menu_popup (GTK_MENU (text_view->popup_menu), NULL, NULL,
6926 info->button, info->time);
6929 gtk_menu_popup (GTK_MENU (text_view->popup_menu), NULL, NULL,
6930 popup_position_func, text_view,
6931 0, gtk_get_current_event_time ());
6932 gtk_menu_shell_select_first (GTK_MENU_SHELL (text_view->popup_menu), FALSE);
6936 g_object_unref (text_view);
6941 gtk_text_view_do_popup (GtkTextView *text_view,
6942 GdkEventButton *event)
6944 PopupInfo *info = g_new (PopupInfo, 1);
6946 /* should not need this, see http://bugzilla.gnome.org/show_bug.cgi?id=74620 */
6947 gtk_text_view_end_selection_drag (text_view, event);
6949 /* In order to know what entries we should make sensitive, we
6950 * ask for the current targets of the clipboard, and when
6951 * we get them, then we actually pop up the menu.
6953 info->text_view = g_object_ref (text_view);
6957 info->button = event->button;
6958 info->time = event->time;
6963 info->time = gtk_get_current_event_time ();
6966 gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (text_view),
6967 GDK_SELECTION_CLIPBOARD),
6968 gdk_atom_intern ("TARGETS", FALSE),
6969 popup_targets_received,
6974 gtk_text_view_popup_menu (GtkWidget *widget)
6976 gtk_text_view_do_popup (GTK_TEXT_VIEW (widget), NULL);
6980 /* Child GdkWindows */
6983 static GtkTextWindow*
6984 text_window_new (GtkTextWindowType type,
6987 gint height_request)
6991 win = g_new (GtkTextWindow, 1);
6994 win->widget = widget;
6996 win->bin_window = NULL;
6997 win->requisition.width = width_request;
6998 win->requisition.height = height_request;
6999 win->allocation.width = width_request;
7000 win->allocation.height = height_request;
7001 win->allocation.x = 0;
7002 win->allocation.y = 0;
7008 text_window_free (GtkTextWindow *win)
7011 text_window_unrealize (win);
7017 text_window_realize (GtkTextWindow *win,
7020 GdkWindowAttr attributes;
7021 gint attributes_mask;
7024 attributes.window_type = GDK_WINDOW_CHILD;
7025 attributes.x = win->allocation.x;
7026 attributes.y = win->allocation.y;
7027 attributes.width = win->allocation.width;
7028 attributes.height = win->allocation.height;
7029 attributes.wclass = GDK_INPUT_OUTPUT;
7030 attributes.visual = gtk_widget_get_visual (win->widget);
7031 attributes.colormap = gtk_widget_get_colormap (win->widget);
7032 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
7034 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
7036 win->window = gdk_window_new (parent,
7040 gdk_window_show (win->window);
7041 gdk_window_set_user_data (win->window, win->widget);
7045 attributes.width = win->allocation.width;
7046 attributes.height = win->allocation.height;
7047 attributes.event_mask = (GDK_EXPOSURE_MASK |
7049 GDK_KEY_PRESS_MASK |
7050 GDK_BUTTON_PRESS_MASK |
7051 GDK_BUTTON_RELEASE_MASK |
7052 GDK_POINTER_MOTION_MASK |
7053 GDK_POINTER_MOTION_HINT_MASK |
7054 gtk_widget_get_events (win->widget));
7056 win->bin_window = gdk_window_new (win->window,
7060 gdk_window_show (win->bin_window);
7061 gdk_window_set_user_data (win->bin_window, win->widget);
7063 if (win->type == GTK_TEXT_WINDOW_TEXT)
7066 cursor = gdk_cursor_new_for_display (gdk_drawable_get_display (parent),
7068 gdk_window_set_cursor (win->bin_window, cursor);
7069 gdk_cursor_unref (cursor);
7071 gtk_im_context_set_client_window (GTK_TEXT_VIEW (win->widget)->im_context,
7075 gdk_window_set_background (win->bin_window,
7076 &win->widget->style->base[GTK_WIDGET_STATE (win->widget)]);
7080 gdk_window_set_background (win->bin_window,
7081 &win->widget->style->bg[GTK_WIDGET_STATE (win->widget)]);
7084 g_object_set_qdata (G_OBJECT (win->window),
7085 g_quark_from_static_string ("gtk-text-view-text-window"),
7088 g_object_set_qdata (G_OBJECT (win->bin_window),
7089 g_quark_from_static_string ("gtk-text-view-text-window"),
7094 text_window_unrealize (GtkTextWindow *win)
7096 if (win->type == GTK_TEXT_WINDOW_TEXT)
7098 gtk_im_context_set_client_window (GTK_TEXT_VIEW (win->widget)->im_context,
7102 gdk_window_set_user_data (win->window, NULL);
7103 gdk_window_set_user_data (win->bin_window, NULL);
7104 gdk_window_destroy (win->bin_window);
7105 gdk_window_destroy (win->window);
7107 win->bin_window = NULL;
7111 text_window_size_allocate (GtkTextWindow *win,
7114 win->allocation = *rect;
7118 gdk_window_move_resize (win->window,
7120 rect->width, rect->height);
7122 gdk_window_resize (win->bin_window,
7123 rect->width, rect->height);
7128 text_window_scroll (GtkTextWindow *win,
7132 if (dx != 0 || dy != 0)
7134 gdk_window_scroll (win->bin_window, dx, dy);
7139 text_window_invalidate_rect (GtkTextWindow *win,
7142 GdkRectangle window_rect;
7144 gtk_text_view_buffer_to_window_coords (GTK_TEXT_VIEW (win->widget),
7151 window_rect.width = rect->width;
7152 window_rect.height = rect->height;
7154 /* Adjust the rect as appropriate */
7158 case GTK_TEXT_WINDOW_TEXT:
7161 case GTK_TEXT_WINDOW_LEFT:
7162 case GTK_TEXT_WINDOW_RIGHT:
7164 window_rect.width = win->allocation.width;
7167 case GTK_TEXT_WINDOW_TOP:
7168 case GTK_TEXT_WINDOW_BOTTOM:
7170 window_rect.height = win->allocation.height;
7174 g_warning ("%s: bug!", G_STRLOC);
7179 gdk_window_invalidate_rect (win->bin_window, &window_rect, FALSE);
7183 GdkColor color = { 0, 65535, 0, 0 };
7184 GdkGC *gc = gdk_gc_new (win->bin_window);
7185 gdk_gc_set_rgb_fg_color (gc, &color);
7186 gdk_draw_rectangle (win->bin_window,
7187 gc, TRUE, window_rect.x, window_rect.y,
7188 window_rect.width, window_rect.height);
7189 g_object_unref (gc);
7195 text_window_get_width (GtkTextWindow *win)
7197 return win->allocation.width;
7201 text_window_get_height (GtkTextWindow *win)
7203 return win->allocation.height;
7210 * gtk_text_view_get_window:
7211 * @text_view: a #GtkTextView
7212 * @win: window to get
7214 * Retrieves the #GdkWindow corresponding to an area of the text view;
7215 * possible windows include the overall widget window, child windows
7216 * on the left, right, top, bottom, and the window that displays the
7217 * text buffer. Windows are %NULL and nonexistent if their width or
7218 * height is 0, and are nonexistent before the widget has been
7221 * Return value: a #GdkWindow, or %NULL
7224 gtk_text_view_get_window (GtkTextView *text_view,
7225 GtkTextWindowType win)
7227 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
7231 case GTK_TEXT_WINDOW_WIDGET:
7232 return GTK_WIDGET (text_view)->window;
7235 case GTK_TEXT_WINDOW_TEXT:
7236 return text_view->text_window->bin_window;
7239 case GTK_TEXT_WINDOW_LEFT:
7240 if (text_view->left_window)
7241 return text_view->left_window->bin_window;
7246 case GTK_TEXT_WINDOW_RIGHT:
7247 if (text_view->right_window)
7248 return text_view->right_window->bin_window;
7253 case GTK_TEXT_WINDOW_TOP:
7254 if (text_view->top_window)
7255 return text_view->top_window->bin_window;
7260 case GTK_TEXT_WINDOW_BOTTOM:
7261 if (text_view->bottom_window)
7262 return text_view->bottom_window->bin_window;
7267 case GTK_TEXT_WINDOW_PRIVATE:
7268 g_warning ("%s: You can't get GTK_TEXT_WINDOW_PRIVATE, it has \"PRIVATE\" in the name because it is private.", G_GNUC_FUNCTION);
7273 g_warning ("%s: Unknown GtkTextWindowType", G_GNUC_FUNCTION);
7278 * gtk_text_view_get_window_type:
7279 * @text_view: a #GtkTextView
7280 * @window: a window type
7282 * Usually used to find out which window an event corresponds to.
7283 * If you connect to an event signal on @text_view, this function
7284 * should be called on <literal>event->window</literal> to
7285 * see which window it was.
7287 * Return value: the window type.
7290 gtk_text_view_get_window_type (GtkTextView *text_view,
7295 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
7296 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
7298 if (window == GTK_WIDGET (text_view)->window)
7299 return GTK_TEXT_WINDOW_WIDGET;
7301 win = g_object_get_qdata (G_OBJECT (window),
7302 g_quark_try_string ("gtk-text-view-text-window"));
7308 return GTK_TEXT_WINDOW_PRIVATE;
7313 buffer_to_widget (GtkTextView *text_view,
7321 *window_x = buffer_x - text_view->xoffset;
7322 *window_x += text_view->text_window->allocation.x;
7327 *window_y = buffer_y - text_view->yoffset;
7328 *window_y += text_view->text_window->allocation.y;
7333 widget_to_text_window (GtkTextWindow *win,
7340 *window_x = widget_x - win->allocation.x;
7343 *window_y = widget_y - win->allocation.y;
7347 buffer_to_text_window (GtkTextView *text_view,
7356 g_warning ("Attempt to convert text buffer coordinates to coordinates "
7357 "for a nonexistent or private child window of GtkTextView");
7361 buffer_to_widget (text_view,
7363 window_x, window_y);
7365 widget_to_text_window (win,
7366 window_x ? *window_x : 0,
7367 window_y ? *window_y : 0,
7373 * gtk_text_view_buffer_to_window_coords:
7374 * @text_view: a #GtkTextView
7375 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
7376 * @buffer_x: buffer x coordinate
7377 * @buffer_y: buffer y coordinate
7378 * @window_x: window x coordinate return location
7379 * @window_y: window y coordinate return location
7381 * Converts coordinate (@buffer_x, @buffer_y) to coordinates for the window
7382 * @win, and stores the result in (@window_x, @window_y).
7384 * Note that you can't convert coordinates for a nonexisting window (see
7385 * gtk_text_view_set_border_window_size()).
7388 gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
7389 GtkTextWindowType win,
7395 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7399 case GTK_TEXT_WINDOW_WIDGET:
7400 buffer_to_widget (text_view,
7402 window_x, window_y);
7405 case GTK_TEXT_WINDOW_TEXT:
7407 *window_x = buffer_x - text_view->xoffset;
7409 *window_y = buffer_y - text_view->yoffset;
7412 case GTK_TEXT_WINDOW_LEFT:
7413 buffer_to_text_window (text_view,
7414 text_view->left_window,
7416 window_x, window_y);
7419 case GTK_TEXT_WINDOW_RIGHT:
7420 buffer_to_text_window (text_view,
7421 text_view->right_window,
7423 window_x, window_y);
7426 case GTK_TEXT_WINDOW_TOP:
7427 buffer_to_text_window (text_view,
7428 text_view->top_window,
7430 window_x, window_y);
7433 case GTK_TEXT_WINDOW_BOTTOM:
7434 buffer_to_text_window (text_view,
7435 text_view->bottom_window,
7437 window_x, window_y);
7440 case GTK_TEXT_WINDOW_PRIVATE:
7441 g_warning ("%s: can't get coords for private windows", G_STRLOC);
7445 g_warning ("%s: Unknown GtkTextWindowType", G_STRLOC);
7451 widget_to_buffer (GtkTextView *text_view,
7459 *buffer_x = widget_x + text_view->xoffset;
7460 *buffer_x -= text_view->text_window->allocation.x;
7465 *buffer_y = widget_y + text_view->yoffset;
7466 *buffer_y -= text_view->text_window->allocation.y;
7471 text_window_to_widget (GtkTextWindow *win,
7478 *widget_x = window_x + win->allocation.x;
7481 *widget_y = window_y + win->allocation.y;
7485 text_window_to_buffer (GtkTextView *text_view,
7494 g_warning ("Attempt to convert GtkTextView buffer coordinates into "
7495 "coordinates for a nonexistent child window.");
7499 text_window_to_widget (win,
7505 widget_to_buffer (text_view,
7506 buffer_x ? *buffer_x : 0,
7507 buffer_y ? *buffer_y : 0,
7513 * gtk_text_view_window_to_buffer_coords:
7514 * @text_view: a #GtkTextView
7515 * @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
7516 * @window_x: window x coordinate
7517 * @window_y: window y coordinate
7518 * @buffer_x: buffer x coordinate return location
7519 * @buffer_y: buffer y coordinate return location
7521 * Converts coordinates on the window identified by @win to buffer
7522 * coordinates, storing the result in (@buffer_x,@buffer_y).
7524 * Note that you can't convert coordinates for a nonexisting window (see
7525 * gtk_text_view_set_border_window_size()).
7528 gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
7529 GtkTextWindowType win,
7535 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7539 case GTK_TEXT_WINDOW_WIDGET:
7540 widget_to_buffer (text_view,
7542 buffer_x, buffer_y);
7545 case GTK_TEXT_WINDOW_TEXT:
7547 *buffer_x = window_x + text_view->xoffset;
7549 *buffer_y = window_y + text_view->yoffset;
7552 case GTK_TEXT_WINDOW_LEFT:
7553 text_window_to_buffer (text_view,
7554 text_view->left_window,
7556 buffer_x, buffer_y);
7559 case GTK_TEXT_WINDOW_RIGHT:
7560 text_window_to_buffer (text_view,
7561 text_view->right_window,
7563 buffer_x, buffer_y);
7566 case GTK_TEXT_WINDOW_TOP:
7567 text_window_to_buffer (text_view,
7568 text_view->top_window,
7570 buffer_x, buffer_y);
7573 case GTK_TEXT_WINDOW_BOTTOM:
7574 text_window_to_buffer (text_view,
7575 text_view->bottom_window,
7577 buffer_x, buffer_y);
7580 case GTK_TEXT_WINDOW_PRIVATE:
7581 g_warning ("%s: can't get coords for private windows", G_STRLOC);
7585 g_warning ("%s: Unknown GtkTextWindowType", G_STRLOC);
7591 set_window_width (GtkTextView *text_view,
7593 GtkTextWindowType type,
7594 GtkTextWindow **winp)
7600 text_window_free (*winp);
7602 gtk_widget_queue_resize (GTK_WIDGET (text_view));
7609 *winp = text_window_new (type,
7610 GTK_WIDGET (text_view),
7612 /* if the widget is already realized we need to realize the child manually */
7613 if (GTK_WIDGET_REALIZED (text_view))
7614 text_window_realize (*winp, GTK_WIDGET (text_view)->window);
7618 if ((*winp)->requisition.width == width)
7621 (*winp)->requisition.width = width;
7624 gtk_widget_queue_resize (GTK_WIDGET (text_view));
7630 set_window_height (GtkTextView *text_view,
7632 GtkTextWindowType type,
7633 GtkTextWindow **winp)
7639 text_window_free (*winp);
7641 gtk_widget_queue_resize (GTK_WIDGET (text_view));
7648 *winp = text_window_new (type,
7649 GTK_WIDGET (text_view),
7652 /* if the widget is already realized we need to realize the child manually */
7653 if (GTK_WIDGET_REALIZED (text_view))
7654 text_window_realize (*winp, GTK_WIDGET (text_view)->window);
7658 if ((*winp)->requisition.height == height)
7661 (*winp)->requisition.height = height;
7664 gtk_widget_queue_resize (GTK_WIDGET (text_view));
7669 * gtk_text_view_set_border_window_size:
7670 * @text_view: a #GtkTextView
7671 * @type: window to affect
7672 * @size: width or height of the window
7674 * Sets the width of %GTK_TEXT_WINDOW_LEFT or %GTK_TEXT_WINDOW_RIGHT,
7675 * or the height of %GTK_TEXT_WINDOW_TOP or %GTK_TEXT_WINDOW_BOTTOM.
7676 * Automatically destroys the corresponding window if the size is set
7677 * to 0, and creates the window if the size is set to non-zero. This
7678 * function can only be used for the "border windows," it doesn't work
7679 * with #GTK_TEXT_WINDOW_WIDGET, #GTK_TEXT_WINDOW_TEXT, or
7680 * #GTK_TEXT_WINDOW_PRIVATE.
7683 gtk_text_view_set_border_window_size (GtkTextView *text_view,
7684 GtkTextWindowType type,
7688 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7689 g_return_if_fail (size >= 0);
7693 case GTK_TEXT_WINDOW_LEFT:
7694 set_window_width (text_view, size, GTK_TEXT_WINDOW_LEFT,
7695 &text_view->left_window);
7698 case GTK_TEXT_WINDOW_RIGHT:
7699 set_window_width (text_view, size, GTK_TEXT_WINDOW_RIGHT,
7700 &text_view->right_window);
7703 case GTK_TEXT_WINDOW_TOP:
7704 set_window_height (text_view, size, GTK_TEXT_WINDOW_TOP,
7705 &text_view->top_window);
7708 case GTK_TEXT_WINDOW_BOTTOM:
7709 set_window_height (text_view, size, GTK_TEXT_WINDOW_BOTTOM,
7710 &text_view->bottom_window);
7714 g_warning ("Can only set size of left/right/top/bottom border windows with gtk_text_view_set_border_window_size()");
7720 * gtk_text_view_get_border_window_size:
7721 * @text_view: a #GtkTextView
7722 * @type: window to return size from
7724 * Gets the width of the specified border window. See
7725 * gtk_text_view_set_border_window_size().
7727 * Return value: width of window
7730 gtk_text_view_get_border_window_size (GtkTextView *text_view,
7731 GtkTextWindowType type)
7733 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
7737 case GTK_TEXT_WINDOW_LEFT:
7738 if (text_view->left_window)
7739 return text_view->left_window->requisition.width;
7741 case GTK_TEXT_WINDOW_RIGHT:
7742 if (text_view->right_window)
7743 return text_view->right_window->requisition.width;
7745 case GTK_TEXT_WINDOW_TOP:
7746 if (text_view->top_window)
7747 return text_view->top_window->requisition.height;
7749 case GTK_TEXT_WINDOW_BOTTOM:
7750 if (text_view->bottom_window)
7751 return text_view->bottom_window->requisition.height;
7754 g_warning ("Can only get size of left/right/top/bottom border windows with gtk_text_view_get_border_window_size()");
7765 static GtkTextViewChild*
7766 text_view_child_new_anchored (GtkWidget *child,
7767 GtkTextChildAnchor *anchor,
7768 GtkTextLayout *layout)
7770 GtkTextViewChild *vc;
7772 vc = g_new (GtkTextViewChild, 1);
7774 vc->type = GTK_TEXT_WINDOW_PRIVATE;
7776 vc->anchor = anchor;
7778 vc->from_top_of_line = 0;
7779 vc->from_left_of_buffer = 0;
7781 g_object_ref (vc->widget);
7782 g_object_ref (vc->anchor);
7784 g_object_set_data (G_OBJECT (child),
7785 "gtk-text-view-child",
7788 gtk_text_child_anchor_register_child (anchor, child, layout);
7793 static GtkTextViewChild*
7794 text_view_child_new_window (GtkWidget *child,
7795 GtkTextWindowType type,
7799 GtkTextViewChild *vc;
7801 vc = g_new (GtkTextViewChild, 1);
7806 vc->from_top_of_line = 0;
7807 vc->from_left_of_buffer = 0;
7809 g_object_ref (vc->widget);
7815 g_object_set_data (G_OBJECT (child),
7816 "gtk-text-view-child",
7823 text_view_child_free (GtkTextViewChild *child)
7825 g_object_set_data (G_OBJECT (child->widget),
7826 "gtk-text-view-child", NULL);
7830 gtk_text_child_anchor_unregister_child (child->anchor,
7832 g_object_unref (child->anchor);
7835 g_object_unref (child->widget);
7841 text_view_child_set_parent_window (GtkTextView *text_view,
7842 GtkTextViewChild *vc)
7845 gtk_widget_set_parent_window (vc->widget,
7846 text_view->text_window->bin_window);
7850 window = gtk_text_view_get_window (text_view,
7852 gtk_widget_set_parent_window (vc->widget, window);
7857 add_child (GtkTextView *text_view,
7858 GtkTextViewChild *vc)
7860 text_view->children = g_slist_prepend (text_view->children,
7863 if (GTK_WIDGET_REALIZED (text_view))
7864 text_view_child_set_parent_window (text_view, vc);
7866 gtk_widget_set_parent (vc->widget, GTK_WIDGET (text_view));
7870 * gtk_text_view_add_child_at_anchor:
7871 * @text_view: a #GtkTextView
7872 * @child: a #GtkWidget
7873 * @anchor: a #GtkTextChildAnchor in the #GtkTextBuffer for @text_view
7875 * Adds a child widget in the text buffer, at the given @anchor.
7879 gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
7881 GtkTextChildAnchor *anchor)
7883 GtkTextViewChild *vc;
7885 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7886 g_return_if_fail (GTK_IS_WIDGET (child));
7887 g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
7888 g_return_if_fail (child->parent == NULL);
7890 gtk_text_view_ensure_layout (text_view);
7892 vc = text_view_child_new_anchored (child, anchor,
7895 add_child (text_view, vc);
7897 g_assert (vc->widget == child);
7898 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
7902 * gtk_text_view_add_child_in_window:
7903 * @text_view: a #GtkTextView
7904 * @child: a #GtkWidget
7905 * @which_window: which window the child should appear in
7906 * @xpos: X position of child in window coordinates
7907 * @ypos: Y position of child in window coordinates
7909 * Adds a child at fixed coordinates in one of the text widget's
7910 * windows. The window must have nonzero size (see
7911 * gtk_text_view_set_border_window_size()). Note that the child
7912 * coordinates are given relative to the #GdkWindow in question, and
7913 * that these coordinates have no sane relationship to scrolling. When
7914 * placing a child in #GTK_TEXT_WINDOW_WIDGET, scrolling is
7915 * irrelevant, the child floats above all scrollable areas. But when
7916 * placing a child in one of the scrollable windows (border windows or
7917 * text window), you'll need to compute the child's correct position
7918 * in buffer coordinates any time scrolling occurs or buffer changes
7919 * occur, and then call gtk_text_view_move_child() to update the
7920 * child's position. Unfortunately there's no good way to detect that
7921 * scrolling has occurred, using the current API; a possible hack
7922 * would be to update all child positions when the scroll adjustments
7923 * change or the text buffer changes. See bug 64518 on
7924 * bugzilla.gnome.org for status of fixing this issue.
7928 gtk_text_view_add_child_in_window (GtkTextView *text_view,
7930 GtkTextWindowType which_window,
7934 GtkTextViewChild *vc;
7936 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7937 g_return_if_fail (GTK_IS_WIDGET (child));
7938 g_return_if_fail (child->parent == NULL);
7940 vc = text_view_child_new_window (child, which_window,
7943 add_child (text_view, vc);
7945 g_assert (vc->widget == child);
7946 g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
7950 * gtk_text_view_move_child:
7951 * @text_view: a #GtkTextView
7952 * @child: child widget already added to the text view
7953 * @xpos: new X position in window coordinates
7954 * @ypos: new Y position in window coordinates
7956 * Updates the position of a child, as for gtk_text_view_add_child_in_window().
7960 gtk_text_view_move_child (GtkTextView *text_view,
7965 GtkTextViewChild *vc;
7967 g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
7968 g_return_if_fail (GTK_IS_WIDGET (child));
7969 g_return_if_fail (child->parent == (GtkWidget*) text_view);
7971 vc = g_object_get_data (G_OBJECT (child),
7972 "gtk-text-view-child");
7974 g_assert (vc != NULL);
7976 if (vc->x == xpos &&
7983 if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (text_view))
7984 gtk_widget_queue_resize (child);
7988 /* Iterator operations */
7991 * gtk_text_view_forward_display_line:
7992 * @text_view: a #GtkTextView
7993 * @iter: a #GtkTextIter
7995 * Moves the given @iter forward by one display (wrapped) line. A
7996 * display line is different from a paragraph. Paragraphs are
7997 * separated by newlines or other paragraph separator characters.
7998 * Display lines are created by line-wrapping a paragraph. If
7999 * wrapping is turned off, display lines and paragraphs will be the
8000 * same. Display lines are divided differently for each view, since
8001 * they depend on the view's width; paragraphs are the same in all
8002 * views, since they depend on the contents of the #GtkTextBuffer.
8004 * Return value: %TRUE if @iter was moved and is not on the end iterator
8007 gtk_text_view_forward_display_line (GtkTextView *text_view,
8010 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8011 g_return_val_if_fail (iter != NULL, FALSE);
8013 gtk_text_view_ensure_layout (text_view);
8015 return gtk_text_layout_move_iter_to_next_line (text_view->layout, iter);
8019 * gtk_text_view_backward_display_line:
8020 * @text_view: a #GtkTextView
8021 * @iter: a #GtkTextIter
8023 * Moves the given @iter backward by one display (wrapped) line. A
8024 * display line is different from a paragraph. Paragraphs are
8025 * separated by newlines or other paragraph separator characters.
8026 * Display lines are created by line-wrapping a paragraph. If
8027 * wrapping is turned off, display lines and paragraphs will be the
8028 * same. Display lines are divided differently for each view, since
8029 * they depend on the view's width; paragraphs are the same in all
8030 * views, since they depend on the contents of the #GtkTextBuffer.
8032 * Return value: %TRUE if @iter was moved and is not on the end iterator
8035 gtk_text_view_backward_display_line (GtkTextView *text_view,
8038 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8039 g_return_val_if_fail (iter != NULL, FALSE);
8041 gtk_text_view_ensure_layout (text_view);
8043 return gtk_text_layout_move_iter_to_previous_line (text_view->layout, iter);
8047 * gtk_text_view_forward_display_line_end:
8048 * @text_view: a #GtkTextView
8049 * @iter: a #GtkTextIter
8051 * Moves the given @iter forward to the next display line end. A
8052 * display line is different from a paragraph. Paragraphs are
8053 * separated by newlines or other paragraph separator characters.
8054 * Display lines are created by line-wrapping a paragraph. If
8055 * wrapping is turned off, display lines and paragraphs will be the
8056 * same. Display lines are divided differently for each view, since
8057 * they depend on the view's width; paragraphs are the same in all
8058 * views, since they depend on the contents of the #GtkTextBuffer.
8060 * Return value: %TRUE if @iter was moved and is not on the end iterator
8063 gtk_text_view_forward_display_line_end (GtkTextView *text_view,
8066 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8067 g_return_val_if_fail (iter != NULL, FALSE);
8069 gtk_text_view_ensure_layout (text_view);
8071 return gtk_text_layout_move_iter_to_line_end (text_view->layout, iter, 1);
8075 * gtk_text_view_backward_display_line_start:
8076 * @text_view: a #GtkTextView
8077 * @iter: a #GtkTextIter
8079 * Moves the given @iter backward to the next display line start. A
8080 * display line is different from a paragraph. Paragraphs are
8081 * separated by newlines or other paragraph separator characters.
8082 * Display lines are created by line-wrapping a paragraph. If
8083 * wrapping is turned off, display lines and paragraphs will be the
8084 * same. Display lines are divided differently for each view, since
8085 * they depend on the view's width; paragraphs are the same in all
8086 * views, since they depend on the contents of the #GtkTextBuffer.
8088 * Return value: %TRUE if @iter was moved and is not on the end iterator
8091 gtk_text_view_backward_display_line_start (GtkTextView *text_view,
8094 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8095 g_return_val_if_fail (iter != NULL, FALSE);
8097 gtk_text_view_ensure_layout (text_view);
8099 return gtk_text_layout_move_iter_to_line_end (text_view->layout, iter, -1);
8103 * gtk_text_view_starts_display_line:
8104 * @text_view: a #GtkTextView
8105 * @iter: a #GtkTextIter
8107 * Determines whether @iter is at the start of a display line.
8108 * See gtk_text_view_forward_display_line() for an explanation of
8109 * display lines vs. paragraphs.
8111 * Return value: %TRUE if @iter begins a wrapped line
8114 gtk_text_view_starts_display_line (GtkTextView *text_view,
8115 const GtkTextIter *iter)
8117 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8118 g_return_val_if_fail (iter != NULL, FALSE);
8120 gtk_text_view_ensure_layout (text_view);
8122 return gtk_text_layout_iter_starts_line (text_view->layout, iter);
8126 * gtk_text_view_move_visually:
8127 * @text_view: a #GtkTextView
8128 * @iter: a #GtkTextIter
8129 * @count: number of characters to move (negative moves left, positive moves right)
8131 * Move the iterator a given number of characters visually, treating
8132 * it as the strong cursor position. If @count is positive, then the
8133 * new strong cursor position will be @count positions to the right of
8134 * the old cursor position. If @count is negative then the new strong
8135 * cursor position will be @count positions to the left of the old
8138 * In the presence of bidirection text, the correspondence
8139 * between logical and visual order will depend on the direction
8140 * of the current run, and there may be jumps when the cursor
8141 * is moved off of the end of a run.
8143 * Return value: %TRUE if @iter moved and is not on the end iterator
8146 gtk_text_view_move_visually (GtkTextView *text_view,
8150 g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
8151 g_return_val_if_fail (iter != NULL, FALSE);
8153 gtk_text_view_ensure_layout (text_view);
8155 return gtk_text_layout_move_iter_visually (text_view->layout, iter, count);