1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2001, 2002, 2003 Sun Microsystems 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.
22 #include <sys/types.h>
26 #include <glib-object.h>
27 #include <glib/gstdio.h>
29 #include "gailtextview.h"
30 #include <libgail-util/gailmisc.h>
32 static void gail_text_view_class_init (GailTextViewClass *klass);
33 static void gail_text_view_init (GailTextView *text_view);
35 static void gail_text_view_real_initialize (AtkObject *obj,
37 static void gail_text_view_real_notify_gtk (GObject *obj,
40 static void gail_text_view_finalize (GObject *object);
42 static void atk_text_interface_init (AtkTextIface *iface);
46 static AtkStateSet* gail_text_view_ref_state_set (AtkObject *accessible);
50 static gchar* gail_text_view_get_text_after_offset (AtkText *text,
52 AtkTextBoundary boundary_type,
55 static gchar* gail_text_view_get_text_at_offset (AtkText *text,
57 AtkTextBoundary boundary_type,
60 static gchar* gail_text_view_get_text_before_offset (AtkText *text,
62 AtkTextBoundary boundary_type,
65 static gchar* gail_text_view_get_text (AtkText*text,
68 static gunichar gail_text_view_get_character_at_offset (AtkText *text,
70 static gint gail_text_view_get_character_count (AtkText *text);
71 static gint gail_text_view_get_caret_offset (AtkText *text);
72 static gboolean gail_text_view_set_caret_offset (AtkText *text,
74 static gint gail_text_view_get_offset_at_point (AtkText *text,
78 static gint gail_text_view_get_n_selections (AtkText *text);
79 static gchar* gail_text_view_get_selection (AtkText *text,
83 static gboolean gail_text_view_add_selection (AtkText *text,
86 static gboolean gail_text_view_remove_selection (AtkText *text,
88 static gboolean gail_text_view_set_selection (AtkText *text,
92 static void gail_text_view_get_character_extents (AtkText *text,
99 static AtkAttributeSet * gail_text_view_get_run_attributes
104 static AtkAttributeSet * gail_text_view_get_default_attributes
106 /* atkeditabletext.h */
108 static void atk_editable_text_interface_init (AtkEditableTextIface *iface);
109 static gboolean gail_text_view_set_run_attributes (AtkEditableText *text,
110 AtkAttributeSet *attrib_set,
113 static void gail_text_view_set_text_contents (AtkEditableText *text,
114 const gchar *string);
115 static void gail_text_view_insert_text (AtkEditableText *text,
119 static void gail_text_view_copy_text (AtkEditableText *text,
122 static void gail_text_view_cut_text (AtkEditableText *text,
125 static void gail_text_view_delete_text (AtkEditableText *text,
128 static void gail_text_view_paste_text (AtkEditableText *text,
130 static void gail_text_view_paste_received (GtkClipboard *clipboard,
133 /* AtkStreamableContent */
134 static void atk_streamable_content_interface_init (AtkStreamableContentIface *iface);
135 static gint gail_streamable_content_get_n_mime_types (AtkStreamableContent *streamable);
136 static G_CONST_RETURN gchar* gail_streamable_content_get_mime_type (AtkStreamableContent *streamable,
138 static GIOChannel* gail_streamable_content_get_stream (AtkStreamableContent *streamable,
139 const gchar *mime_type);
140 /* getURI requires atk-1.12.0 or later
141 static void gail_streamable_content_get_uri (AtkStreamableContent *streamable);
146 static void _gail_text_view_insert_text_cb (GtkTextBuffer *buffer,
151 static void _gail_text_view_delete_range_cb (GtkTextBuffer *buffer,
155 static void _gail_text_view_changed_cb (GtkTextBuffer *buffer,
157 static void _gail_text_view_mark_set_cb (GtkTextBuffer *buffer,
161 static gchar* get_text_near_offset (AtkText *text,
162 GailOffsetType function,
163 AtkTextBoundary boundary_type,
167 static gint get_insert_offset (GtkTextBuffer *buffer);
168 static gint get_selection_bound (GtkTextBuffer *buffer);
169 static void emit_text_caret_moved (GailTextView *gail_text_view,
171 static gint insert_idle_handler (gpointer data);
173 typedef struct _GailTextViewPaste GailTextViewPaste;
175 struct _GailTextViewPaste
177 GtkTextBuffer* buffer;
181 G_DEFINE_TYPE_WITH_CODE (GailTextView, gail_text_view, GAIL_TYPE_CONTAINER,
182 G_IMPLEMENT_INTERFACE (ATK_TYPE_EDITABLE_TEXT, atk_editable_text_interface_init)
183 G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init)
184 G_IMPLEMENT_INTERFACE (ATK_TYPE_STREAMABLE_CONTENT, atk_streamable_content_interface_init))
187 gail_text_view_class_init (GailTextViewClass *klass)
189 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
190 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
191 GailWidgetClass *widget_class;
193 widget_class = (GailWidgetClass*)klass;
195 gobject_class->finalize = gail_text_view_finalize;
197 class->ref_state_set = gail_text_view_ref_state_set;
198 class->initialize = gail_text_view_real_initialize;
200 widget_class->notify_gtk = gail_text_view_real_notify_gtk;
204 gail_text_view_init (GailTextView *text_view)
206 text_view->textutil = NULL;
207 text_view->signal_name = NULL;
208 text_view->previous_insert_offset = -1;
209 text_view->previous_selection_bound = -1;
210 text_view->insert_notify_handler = 0;
214 setup_buffer (GtkTextView *view,
215 GailTextView *gail_view)
217 GtkTextBuffer *buffer;
219 buffer = gtk_text_view_get_buffer (view);
221 if (gail_view->textutil)
222 g_object_unref (gail_view->textutil);
224 gail_view->textutil = gail_text_util_new ();
225 gail_text_util_buffer_setup (gail_view->textutil, buffer);
227 /* Set up signal callbacks */
228 g_signal_connect_data (buffer, "insert-text",
229 (GCallback) _gail_text_view_insert_text_cb, view, NULL, 0);
230 g_signal_connect_data (buffer, "delete-range",
231 (GCallback) _gail_text_view_delete_range_cb, view, NULL, 0);
232 g_signal_connect_data (buffer, "mark-set",
233 (GCallback) _gail_text_view_mark_set_cb, view, NULL, 0);
234 g_signal_connect_data (buffer, "changed",
235 (GCallback) _gail_text_view_changed_cb, view, NULL, 0);
240 gail_text_view_real_initialize (AtkObject *obj,
244 GailTextView *gail_view;
246 ATK_OBJECT_CLASS (gail_text_view_parent_class)->initialize (obj, data);
248 view = GTK_TEXT_VIEW (data);
250 gail_view = GAIL_TEXT_VIEW (obj);
251 setup_buffer (view, gail_view);
253 obj->role = ATK_ROLE_TEXT;
258 gail_text_view_finalize (GObject *object)
260 GailTextView *text_view = GAIL_TEXT_VIEW (object);
262 g_object_unref (text_view->textutil);
263 if (text_view->insert_notify_handler)
264 g_source_remove (text_view->insert_notify_handler);
266 G_OBJECT_CLASS (gail_text_view_parent_class)->finalize (object);
270 gail_text_view_real_notify_gtk (GObject *obj,
273 if (!strcmp (pspec->name, "editable"))
278 atk_obj = gtk_widget_get_accessible (GTK_WIDGET (obj));
279 editable = gtk_text_view_get_editable (GTK_TEXT_VIEW (obj));
280 atk_object_notify_state_change (atk_obj, ATK_STATE_EDITABLE,
283 else if (!strcmp (pspec->name, "buffer"))
287 atk_obj = gtk_widget_get_accessible (GTK_WIDGET (obj));
288 setup_buffer (GTK_TEXT_VIEW (obj), GAIL_TEXT_VIEW (atk_obj));
291 GAIL_WIDGET_CLASS (gail_text_view_parent_class)->notify_gtk (obj, pspec);
297 gail_text_view_ref_state_set (AtkObject *accessible)
299 AtkStateSet *state_set;
300 GtkTextView *text_view;
303 state_set = ATK_OBJECT_CLASS (gail_text_view_parent_class)->ref_state_set (accessible);
304 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
309 text_view = GTK_TEXT_VIEW (widget);
311 if (gtk_text_view_get_editable (text_view))
312 atk_state_set_add_state (state_set, ATK_STATE_EDITABLE);
313 atk_state_set_add_state (state_set, ATK_STATE_MULTI_LINE);
321 atk_text_interface_init (AtkTextIface *iface)
323 iface->get_text = gail_text_view_get_text;
324 iface->get_text_after_offset = gail_text_view_get_text_after_offset;
325 iface->get_text_at_offset = gail_text_view_get_text_at_offset;
326 iface->get_text_before_offset = gail_text_view_get_text_before_offset;
327 iface->get_character_at_offset = gail_text_view_get_character_at_offset;
328 iface->get_character_count = gail_text_view_get_character_count;
329 iface->get_caret_offset = gail_text_view_get_caret_offset;
330 iface->set_caret_offset = gail_text_view_set_caret_offset;
331 iface->get_offset_at_point = gail_text_view_get_offset_at_point;
332 iface->get_character_extents = gail_text_view_get_character_extents;
333 iface->get_n_selections = gail_text_view_get_n_selections;
334 iface->get_selection = gail_text_view_get_selection;
335 iface->add_selection = gail_text_view_add_selection;
336 iface->remove_selection = gail_text_view_remove_selection;
337 iface->set_selection = gail_text_view_set_selection;
338 iface->get_run_attributes = gail_text_view_get_run_attributes;
339 iface->get_default_attributes = gail_text_view_get_default_attributes;
343 gail_text_view_get_text (AtkText *text,
348 GtkTextBuffer *buffer;
349 GtkTextIter start, end;
352 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
354 /* State is defunct */
357 view = GTK_TEXT_VIEW (widget);
358 buffer = gtk_text_view_get_buffer (view);
359 gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
360 gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset);
362 return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
366 gail_text_view_get_text_after_offset (AtkText *text,
368 AtkTextBoundary boundary_type,
374 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
376 /* State is defunct */
379 return get_text_near_offset (text, GAIL_AFTER_OFFSET,
380 boundary_type, offset,
381 start_offset, end_offset);
385 gail_text_view_get_text_at_offset (AtkText *text,
387 AtkTextBoundary boundary_type,
393 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
395 /* State is defunct */
398 return get_text_near_offset (text, GAIL_AT_OFFSET,
399 boundary_type, offset,
400 start_offset, end_offset);
404 gail_text_view_get_text_before_offset (AtkText *text,
406 AtkTextBoundary boundary_type,
412 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
414 /* State is defunct */
417 return get_text_near_offset (text, GAIL_BEFORE_OFFSET,
418 boundary_type, offset,
419 start_offset, end_offset);
423 gail_text_view_get_character_at_offset (AtkText *text,
427 GtkTextIter start, end;
428 GtkTextBuffer *buffer;
432 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
436 buffer = GAIL_TEXT_VIEW (text)->textutil->buffer;
437 if (offset >= gtk_text_buffer_get_char_count (buffer))
440 gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
442 gtk_text_iter_forward_char (&end);
443 string = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
444 unichar = g_utf8_get_char (string);
450 gail_text_view_get_character_count (AtkText *text)
453 GtkTextBuffer *buffer;
456 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
458 /* State is defunct */
461 view = GTK_TEXT_VIEW (widget);
462 buffer = gtk_text_view_get_buffer (view);
463 return gtk_text_buffer_get_char_count (buffer);
467 gail_text_view_get_caret_offset (AtkText *text)
472 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
474 /* State is defunct */
477 view = GTK_TEXT_VIEW (widget);
478 return get_insert_offset (gtk_text_view_get_buffer (view));
482 gail_text_view_set_caret_offset (AtkText *text,
487 GtkTextBuffer *buffer;
490 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
492 /* State is defunct */
495 view = GTK_TEXT_VIEW (widget);
496 buffer = gtk_text_view_get_buffer (view);
498 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, offset);
499 gtk_text_buffer_place_cursor (buffer, &pos_itr);
500 gtk_text_view_scroll_to_iter (view, &pos_itr, 0, FALSE, 0, 0);
505 gail_text_view_get_offset_at_point (AtkText *text,
512 gint x_widget, y_widget, x_window, y_window, buff_x, buff_y;
517 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
519 /* State is defunct */
522 view = GTK_TEXT_VIEW (widget);
524 window = gtk_text_view_get_window (view, GTK_TEXT_WINDOW_WIDGET);
525 gdk_window_get_origin (window, &x_widget, &y_widget);
527 if (coords == ATK_XY_SCREEN)
532 else if (coords == ATK_XY_WINDOW)
534 window = gdk_window_get_toplevel (window);
535 gdk_window_get_origin (window, &x_window, &y_window);
537 x = x - x_widget + x_window;
538 y = y - y_widget + y_window;
543 gtk_text_view_window_to_buffer_coords (view, GTK_TEXT_WINDOW_WIDGET,
544 x, y, &buff_x, &buff_y);
545 gtk_text_view_get_visible_rect (view, &rect);
547 * Clamp point to visible rectangle
549 buff_x = CLAMP (buff_x, rect.x, rect.x + rect.width - 1);
550 buff_y = CLAMP (buff_y, rect.y, rect.y + rect.height - 1);
552 gtk_text_view_get_iter_at_location (view, &loc_itr, buff_x, buff_y);
554 * The iter at a location sometimes points to the next character.
555 * See bug 111031. We work around that
557 gtk_text_view_get_iter_location (view, &loc_itr, &rect);
559 gtk_text_iter_backward_char (&loc_itr);
560 return gtk_text_iter_get_offset (&loc_itr);
564 gail_text_view_get_character_extents (AtkText *text,
573 GtkTextBuffer *buffer;
576 GdkRectangle rectangle;
578 gint x_widget, y_widget, x_window, y_window;
580 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
582 /* State is defunct */
585 view = GTK_TEXT_VIEW (widget);
586 buffer = gtk_text_view_get_buffer (view);
587 gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
588 gtk_text_view_get_iter_location (view, &iter, &rectangle);
590 window = gtk_text_view_get_window (view, GTK_TEXT_WINDOW_WIDGET);
591 gdk_window_get_origin (window, &x_widget, &y_widget);
593 *height = rectangle.height;
594 *width = rectangle.width;
596 gtk_text_view_buffer_to_window_coords (view, GTK_TEXT_WINDOW_WIDGET,
597 rectangle.x, rectangle.y, x, y);
598 if (coords == ATK_XY_WINDOW)
600 window = gdk_window_get_toplevel (window);
601 gdk_window_get_origin (window, &x_window, &y_window);
602 *x += x_widget - x_window;
603 *y += y_widget - y_window;
605 else if (coords == ATK_XY_SCREEN)
619 static AtkAttributeSet*
620 gail_text_view_get_run_attributes (AtkText *text,
626 GtkTextBuffer *buffer;
629 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
631 /* State is defunct */
634 view = GTK_TEXT_VIEW (widget);
635 buffer = gtk_text_view_get_buffer (view);
637 return gail_misc_buffer_get_run_attributes (buffer, offset,
638 start_offset, end_offset);
641 static AtkAttributeSet*
642 add_text_attribute (AtkAttributeSet *attrib_set, AtkTextAttribute attr, gint i)
646 value = atk_text_attribute_get_value (attr, i);
648 return gail_misc_add_attribute (attrib_set, i, g_strdup (value));
651 static AtkAttributeSet*
652 gail_text_view_get_default_attributes (AtkText *text)
656 GtkTextAttributes *text_attrs;
657 AtkAttributeSet *attrib_set = NULL;
658 PangoFontDescription *font;
661 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
663 /* State is defunct */
666 view = GTK_TEXT_VIEW (widget);
667 text_attrs = gtk_text_view_get_default_attributes (view);
669 font = text_attrs->font;
673 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_STYLE,
674 pango_font_description_get_style (font));
676 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_VARIANT,
677 pango_font_description_get_variant (font));
679 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_STRETCH,
680 pango_font_description_get_stretch (font));
682 value = g_strdup (pango_font_description_get_family (font));
683 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FAMILY_NAME, value);
685 value = g_strdup_printf ("%d", pango_font_description_get_weight (font));
686 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_WEIGHT, value);
688 value = g_strdup_printf ("%i", pango_font_description_get_size (font) / PANGO_SCALE);
689 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_SIZE, value);
692 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_JUSTIFICATION, text_attrs->justification);
693 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_DIRECTION, text_attrs->direction);
694 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_WRAP_MODE, text_attrs->wrap_mode);
695 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_EDITABLE, text_attrs->editable);
696 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_INVISIBLE, text_attrs->invisible);
697 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_BG_FULL_HEIGHT, text_attrs->bg_full_height);
699 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_STRIKETHROUGH,
700 text_attrs->appearance.strikethrough);
701 attrib_set = add_text_attribute (attrib_set, ATK_TEXT_ATTR_UNDERLINE,
702 text_attrs->appearance.underline);
704 value = g_strdup_printf ("%u,%u,%u",
705 text_attrs->appearance.bg_color.red,
706 text_attrs->appearance.bg_color.green,
707 text_attrs->appearance.bg_color.blue);
708 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_BG_COLOR, value);
710 value = g_strdup_printf ("%u,%u,%u",
711 text_attrs->appearance.fg_color.red,
712 text_attrs->appearance.fg_color.green,
713 text_attrs->appearance.fg_color.blue);
714 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FG_COLOR, value);
716 value = g_strdup_printf ("%g", text_attrs->font_scale);
717 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_SCALE, value);
719 value = g_strdup ((gchar *)(text_attrs->language));
720 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LANGUAGE, value);
722 value = g_strdup_printf ("%i", text_attrs->appearance.rise);
723 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RISE, value);
725 value = g_strdup_printf ("%i", text_attrs->pixels_inside_wrap);
726 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP, value);
728 value = g_strdup_printf ("%i", text_attrs->pixels_below_lines);
729 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_BELOW_LINES, value);
731 value = g_strdup_printf ("%i", text_attrs->pixels_above_lines);
732 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_ABOVE_LINES, value);
734 value = g_strdup_printf ("%i", text_attrs->indent);
735 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_INDENT, value);
737 value = g_strdup_printf ("%i", text_attrs->left_margin);
738 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LEFT_MARGIN, value);
740 value = g_strdup_printf ("%i", text_attrs->right_margin);
741 attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RIGHT_MARGIN, value);
743 gtk_text_attributes_unref (text_attrs);
748 gail_text_view_get_n_selections (AtkText *text)
752 GtkTextBuffer *buffer;
753 GtkTextIter start, end;
754 gint select_start, select_end;
756 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
758 /* State is defunct */
761 view = GTK_TEXT_VIEW (widget);
762 buffer = gtk_text_view_get_buffer (view);
764 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
765 select_start = gtk_text_iter_get_offset (&start);
766 select_end = gtk_text_iter_get_offset (&end);
768 if (select_start != select_end)
775 gail_text_view_get_selection (AtkText *text,
782 GtkTextBuffer *buffer;
783 GtkTextIter start, end;
785 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
787 /* State is defunct */
790 /* Only let the user get the selection if one is set, and if the
791 * selection_num is 0.
793 if (selection_num != 0)
796 view = GTK_TEXT_VIEW (widget);
797 buffer = gtk_text_view_get_buffer (view);
799 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
800 *start_pos = gtk_text_iter_get_offset (&start);
801 *end_pos = gtk_text_iter_get_offset (&end);
803 if (*start_pos != *end_pos)
804 return gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
810 gail_text_view_add_selection (AtkText *text,
816 GtkTextBuffer *buffer;
818 GtkTextIter start, end;
819 gint select_start, select_end;
821 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
823 /* State is defunct */
826 view = GTK_TEXT_VIEW (widget);
827 buffer = gtk_text_view_get_buffer (view);
829 gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
830 select_start = gtk_text_iter_get_offset (&start);
831 select_end = gtk_text_iter_get_offset (&end);
833 /* If there is already a selection, then don't allow another to be added,
834 * since GtkTextView only supports one selected region.
836 if (select_start == select_end)
838 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, start_pos);
839 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &pos_itr);
840 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, end_pos);
841 gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr);
849 gail_text_view_remove_selection (AtkText *text,
854 GtkTextBuffer *buffer;
855 GtkTextMark *cursor_mark;
856 GtkTextIter cursor_itr;
857 GtkTextIter start, end;
858 gint select_start, select_end;
860 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
862 /* State is defunct */
865 if (selection_num != 0)
868 view = GTK_TEXT_VIEW (widget);
869 buffer = gtk_text_view_get_buffer (view);
871 gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
872 select_start = gtk_text_iter_get_offset(&start);
873 select_end = gtk_text_iter_get_offset(&end);
875 if (select_start != select_end)
877 /* Setting the start & end of the selected region to the caret position
878 * turns off the selection.
880 cursor_mark = gtk_text_buffer_get_insert (buffer);
881 gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
882 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &cursor_itr);
890 gail_text_view_set_selection (AtkText *text,
897 GtkTextBuffer *buffer;
899 GtkTextIter start, end;
900 gint select_start, select_end;
902 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
905 /* State is defunct */
909 /* Only let the user move the selection if one is set, and if the
912 if (selection_num != 0)
915 view = GTK_TEXT_VIEW (widget);
916 buffer = gtk_text_view_get_buffer (view);
918 gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
919 select_start = gtk_text_iter_get_offset(&start);
920 select_end = gtk_text_iter_get_offset(&end);
922 if (select_start != select_end)
924 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, start_pos);
925 gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &pos_itr);
926 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, end_pos);
927 gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr);
934 /* atkeditabletext.h */
937 atk_editable_text_interface_init (AtkEditableTextIface *iface)
939 iface->set_text_contents = gail_text_view_set_text_contents;
940 iface->insert_text = gail_text_view_insert_text;
941 iface->copy_text = gail_text_view_copy_text;
942 iface->cut_text = gail_text_view_cut_text;
943 iface->delete_text = gail_text_view_delete_text;
944 iface->paste_text = gail_text_view_paste_text;
945 iface->set_run_attributes = gail_text_view_set_run_attributes;
949 gail_text_view_set_run_attributes (AtkEditableText *text,
950 AtkAttributeSet *attrib_set,
955 GtkTextBuffer *buffer;
965 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
967 /* State is defunct */
970 view = GTK_TEXT_VIEW (widget);
971 if (!gtk_text_view_get_editable (view))
974 buffer = gtk_text_view_get_buffer (view);
976 if (attrib_set == NULL)
979 gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
980 gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset);
982 tag = gtk_text_buffer_create_tag (buffer, NULL, NULL);
984 for (l = attrib_set; l; l = l->next)
995 if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_LEFT_MARGIN)))
996 g_object_set (G_OBJECT (tag), "left_margin", atoi (value), NULL);
998 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_RIGHT_MARGIN)))
999 g_object_set (G_OBJECT (tag), "right_margin", atoi (value), NULL);
1001 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_INDENT)))
1002 g_object_set (G_OBJECT (tag), "indent", atoi (value), NULL);
1004 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_PIXELS_ABOVE_LINES)))
1005 g_object_set (G_OBJECT (tag), "pixels_above_lines", atoi (value), NULL);
1007 else if (!strcmp(name, atk_text_attribute_get_name (ATK_TEXT_ATTR_PIXELS_BELOW_LINES)))
1008 g_object_set (G_OBJECT (tag), "pixels_below_lines", atoi (value), NULL);
1010 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP)))
1011 g_object_set (G_OBJECT (tag), "pixels_inside_wrap", atoi (value), NULL);
1013 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_SIZE)))
1014 g_object_set (G_OBJECT (tag), "size", atoi (value), NULL);
1016 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_RISE)))
1017 g_object_set (G_OBJECT (tag), "rise", atoi (value), NULL);
1019 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_WEIGHT)))
1020 g_object_set (G_OBJECT (tag), "weight", atoi (value), NULL);
1022 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_BG_FULL_HEIGHT)))
1024 g_object_set (G_OBJECT (tag), "bg_full_height",
1025 (strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_FULL_HEIGHT, 0))),
1029 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_LANGUAGE)))
1030 g_object_set (G_OBJECT (tag), "language", value, NULL);
1032 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_FAMILY_NAME)))
1033 g_object_set (G_OBJECT (tag), "family", value, NULL);
1035 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_EDITABLE)))
1037 g_object_set (G_OBJECT (tag), "editable",
1038 (strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE, 0))),
1042 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_INVISIBLE)))
1044 g_object_set (G_OBJECT (tag), "invisible",
1045 (strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE, 0))),
1049 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_UNDERLINE)))
1051 for (j = 0; j < 3; j++)
1053 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, j)))
1055 g_object_set (G_OBJECT (tag), "underline", j, NULL);
1061 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_STRIKETHROUGH)))
1063 g_object_set (G_OBJECT (tag), "strikethrough",
1064 (strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, 0))),
1068 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_BG_COLOR)))
1070 RGB_vals = g_strsplit (value, ",", 3);
1071 color = g_malloc (sizeof (GdkColor));
1072 color->red = atoi (RGB_vals[0]);
1073 color->green = atoi (RGB_vals[1]);
1074 color->blue = atoi (RGB_vals[2]);
1075 g_object_set (G_OBJECT (tag), "background_gdk", color, NULL);
1078 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_FG_COLOR)))
1080 RGB_vals = g_strsplit (value, ",", 3);
1081 color = g_malloc (sizeof (GdkColor));
1082 color->red = atoi (RGB_vals[0]);
1083 color->green = atoi (RGB_vals[1]);
1084 color->blue = atoi (RGB_vals[2]);
1085 g_object_set (G_OBJECT (tag), "foreground_gdk", color, NULL);
1088 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_STRETCH)))
1090 for (j = 0; j < 9; j++)
1092 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH, j)))
1094 g_object_set (G_OBJECT (tag), "stretch", j, NULL);
1100 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_JUSTIFICATION)))
1102 for (j = 0; j < 4; j++)
1104 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, j)))
1106 g_object_set (G_OBJECT (tag), "justification", j, NULL);
1112 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_DIRECTION)))
1114 for (j = 0; j < 3; j++)
1116 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, j)))
1118 g_object_set (G_OBJECT (tag), "direction", j, NULL);
1124 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_VARIANT)))
1126 for (j = 0; j < 2; j++)
1128 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT, j)))
1130 g_object_set (G_OBJECT (tag), "variant", j, NULL);
1136 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_WRAP_MODE)))
1138 for (j = 0; j < 3; j++)
1140 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE, j)))
1142 g_object_set (G_OBJECT (tag), "wrap_mode", j, NULL);
1148 else if (!strcmp (name, atk_text_attribute_get_name (ATK_TEXT_ATTR_STYLE)))
1150 for (j = 0; j < 3; j++)
1152 if (!strcmp (value, atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE, j)))
1154 g_object_set (G_OBJECT (tag), "style", j, NULL);
1164 gtk_text_buffer_apply_tag (buffer, tag, &start, &end);
1170 gail_text_view_set_text_contents (AtkEditableText *text,
1171 const gchar *string)
1175 GtkTextBuffer *buffer;
1177 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1179 /* State is defunct */
1182 view = GTK_TEXT_VIEW (widget);
1183 if (!gtk_text_view_get_editable (view))
1185 buffer = gtk_text_view_get_buffer (view);
1187 /* The -1 indicates that the input string must be null-terminated */
1188 gtk_text_buffer_set_text (buffer, string, -1);
1192 gail_text_view_insert_text (AtkEditableText *text,
1193 const gchar *string,
1199 GtkTextBuffer *buffer;
1200 GtkTextIter pos_itr;
1202 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1204 /* State is defunct */
1207 view = GTK_TEXT_VIEW (widget);
1208 if (!gtk_text_view_get_editable (view))
1210 buffer = gtk_text_view_get_buffer (view);
1212 gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, *position);
1213 gtk_text_buffer_insert (buffer, &pos_itr, string, length);
1217 gail_text_view_copy_text (AtkEditableText *text,
1223 GtkTextBuffer *buffer;
1224 GtkTextIter start, end;
1226 GtkClipboard *clipboard;
1228 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1230 /* State is defunct */
1233 view = GTK_TEXT_VIEW (widget);
1234 buffer = gtk_text_view_get_buffer (view);
1236 gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
1237 gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
1238 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1239 clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (widget),
1240 GDK_SELECTION_CLIPBOARD);
1241 gtk_clipboard_set_text (clipboard, str, -1);
1245 gail_text_view_cut_text (AtkEditableText *text,
1251 GtkTextBuffer *buffer;
1252 GtkTextIter start, end;
1254 GtkClipboard *clipboard;
1256 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1258 /* State is defunct */
1261 view = GTK_TEXT_VIEW (widget);
1262 if (!gtk_text_view_get_editable (view))
1264 buffer = gtk_text_view_get_buffer (view);
1266 gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
1267 gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
1268 str = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1269 clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (widget),
1270 GDK_SELECTION_CLIPBOARD);
1271 gtk_clipboard_set_text (clipboard, str, -1);
1272 gtk_text_buffer_delete (buffer, &start, &end);
1276 gail_text_view_delete_text (AtkEditableText *text,
1282 GtkTextBuffer *buffer;
1283 GtkTextIter start_itr;
1284 GtkTextIter end_itr;
1286 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1288 /* State is defunct */
1291 view = GTK_TEXT_VIEW (widget);
1292 if (!gtk_text_view_get_editable (view))
1294 buffer = gtk_text_view_get_buffer (view);
1296 gtk_text_buffer_get_iter_at_offset (buffer, &start_itr, start_pos);
1297 gtk_text_buffer_get_iter_at_offset (buffer, &end_itr, end_pos);
1298 gtk_text_buffer_delete (buffer, &start_itr, &end_itr);
1302 gail_text_view_paste_text (AtkEditableText *text,
1307 GtkTextBuffer *buffer;
1308 GailTextViewPaste paste_struct;
1309 GtkClipboard *clipboard;
1311 widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
1313 /* State is defunct */
1316 view = GTK_TEXT_VIEW (widget);
1317 if (!gtk_text_view_get_editable (view))
1319 buffer = gtk_text_view_get_buffer (view);
1321 paste_struct.buffer = buffer;
1322 paste_struct.position = position;
1324 g_object_ref (paste_struct.buffer);
1325 clipboard = gtk_clipboard_get_for_display (gtk_widget_get_display (widget),
1326 GDK_SELECTION_CLIPBOARD);
1327 gtk_clipboard_request_text (clipboard,
1328 gail_text_view_paste_received, &paste_struct);
1332 gail_text_view_paste_received (GtkClipboard *clipboard,
1336 GailTextViewPaste* paste_struct = (GailTextViewPaste *)data;
1337 GtkTextIter pos_itr;
1341 gtk_text_buffer_get_iter_at_offset (paste_struct->buffer, &pos_itr,
1342 paste_struct->position);
1343 gtk_text_buffer_insert (paste_struct->buffer, &pos_itr, text, -1);
1346 g_object_unref (paste_struct->buffer);
1351 /* Note arg1 returns the start of the insert range, arg3 returns the
1352 * end of the insert range if multiple characters are inserted. If one
1353 * character is inserted they have the same value, which is the caret
1354 * location. arg2 returns the begin location of the insert.
1357 _gail_text_view_insert_text_cb (GtkTextBuffer *buffer,
1363 GtkTextView *text = (GtkTextView *) user_data;
1364 AtkObject *accessible;
1365 GailTextView *gail_text_view;
1369 g_return_if_fail (arg3 > 0);
1371 accessible = gtk_widget_get_accessible(GTK_WIDGET(text));
1372 gail_text_view = GAIL_TEXT_VIEW (accessible);
1374 gail_text_view->signal_name = "text_changed::insert";
1375 position = gtk_text_iter_get_offset (arg1);
1376 length = g_utf8_strlen(arg2, arg3);
1378 if (gail_text_view->length == 0)
1380 gail_text_view->position = position;
1381 gail_text_view->length = length;
1383 else if (gail_text_view->position + gail_text_view->length == position)
1385 gail_text_view->length += length;
1390 * We have a non-contiguous insert so report what we have
1392 if (gail_text_view->insert_notify_handler)
1394 g_source_remove (gail_text_view->insert_notify_handler);
1396 gail_text_view->insert_notify_handler = 0;
1397 insert_idle_handler (gail_text_view);
1398 gail_text_view->position = position;
1399 gail_text_view->length = length;
1403 * The signal will be emitted when the changed signal is received
1407 /* Note arg1 returns the start of the delete range, arg2 returns the
1408 * end of the delete range if multiple characters are deleted. If one
1409 * character is deleted they have the same value, which is the caret
1413 _gail_text_view_delete_range_cb (GtkTextBuffer *buffer,
1418 GtkTextView *text = (GtkTextView *) user_data;
1419 AtkObject *accessible;
1420 GailTextView *gail_text_view;
1421 gint offset = gtk_text_iter_get_offset (arg1);
1422 gint length = gtk_text_iter_get_offset (arg2) - offset;
1424 accessible = gtk_widget_get_accessible(GTK_WIDGET(text));
1425 gail_text_view = GAIL_TEXT_VIEW (accessible);
1426 if (gail_text_view->insert_notify_handler)
1428 g_source_remove (gail_text_view->insert_notify_handler);
1429 gail_text_view->insert_notify_handler = 0;
1430 if (gail_text_view->position == offset &&
1431 gail_text_view->length == length)
1434 * Do not bother with insert and delete notifications
1436 gail_text_view->signal_name = NULL;
1437 gail_text_view->position = 0;
1438 gail_text_view->length = 0;
1442 insert_idle_handler (gail_text_view);
1444 g_signal_emit_by_name (accessible, "text_changed::delete",
1448 /* Note arg1 and arg2 point to the same offset, which is the caret
1449 * position after the move
1452 _gail_text_view_mark_set_cb (GtkTextBuffer *buffer,
1457 GtkTextView *text = (GtkTextView *) user_data;
1458 AtkObject *accessible;
1459 GailTextView *gail_text_view;
1460 const char *mark_name = gtk_text_mark_get_name(arg2);
1462 accessible = gtk_widget_get_accessible(GTK_WIDGET(text));
1463 gail_text_view = GAIL_TEXT_VIEW (accessible);
1466 * Only generate the signal for the "insert" mark, which
1467 * represents the cursor.
1469 if (mark_name && !strcmp(mark_name, "insert"))
1471 int insert_offset, selection_bound;
1472 gboolean selection_changed;
1474 insert_offset = gtk_text_iter_get_offset (arg1);
1476 selection_bound = get_selection_bound (buffer);
1477 if (selection_bound != insert_offset)
1479 if (selection_bound != gail_text_view->previous_selection_bound ||
1480 insert_offset != gail_text_view->previous_insert_offset)
1482 selection_changed = TRUE;
1486 selection_changed = FALSE;
1489 else if (gail_text_view->previous_selection_bound != gail_text_view->previous_insert_offset)
1491 selection_changed = TRUE;
1495 selection_changed = FALSE;
1498 emit_text_caret_moved (gail_text_view, insert_offset);
1500 * insert and selection_bound marks are different to a selection
1503 if (selection_changed)
1504 g_signal_emit_by_name (accessible, "text_selection_changed");
1505 gail_text_view->previous_selection_bound = selection_bound;
1510 _gail_text_view_changed_cb (GtkTextBuffer *buffer,
1513 GtkTextView *text = (GtkTextView *) user_data;
1514 AtkObject *accessible;
1515 GailTextView *gail_text_view;
1517 accessible = gtk_widget_get_accessible (GTK_WIDGET (text));
1518 gail_text_view = GAIL_TEXT_VIEW (accessible);
1519 if (gail_text_view->signal_name)
1521 if (!gail_text_view->insert_notify_handler)
1523 gail_text_view->insert_notify_handler = gdk_threads_add_idle (insert_idle_handler, accessible);
1527 emit_text_caret_moved (gail_text_view, get_insert_offset (buffer));
1528 gail_text_view->previous_selection_bound = get_selection_bound (buffer);
1532 get_text_near_offset (AtkText *text,
1533 GailOffsetType function,
1534 AtkTextBoundary boundary_type,
1540 gpointer layout = NULL;
1542 view = GTK_TEXT_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (text)));
1545 * Pass the GtkTextView to the function gail_text_util_get_text()
1546 * so it can find the start and end of the current line on the display.
1548 if (boundary_type == ATK_TEXT_BOUNDARY_LINE_START ||
1549 boundary_type == ATK_TEXT_BOUNDARY_LINE_END)
1552 return gail_text_util_get_text (GAIL_TEXT_VIEW (text)->textutil, layout,
1553 function, boundary_type, offset,
1554 start_offset, end_offset);
1558 get_insert_offset (GtkTextBuffer *buffer)
1560 GtkTextMark *cursor_mark;
1561 GtkTextIter cursor_itr;
1563 cursor_mark = gtk_text_buffer_get_insert (buffer);
1564 gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
1565 return gtk_text_iter_get_offset (&cursor_itr);
1569 get_selection_bound (GtkTextBuffer *buffer)
1571 GtkTextMark *selection_mark;
1572 GtkTextIter selection_itr;
1574 selection_mark = gtk_text_buffer_get_selection_bound (buffer);
1575 gtk_text_buffer_get_iter_at_mark (buffer, &selection_itr, selection_mark);
1576 return gtk_text_iter_get_offset (&selection_itr);
1580 emit_text_caret_moved (GailTextView *gail_text_view,
1584 * If we have text which has been inserted notify the user
1586 if (gail_text_view->insert_notify_handler)
1588 g_source_remove (gail_text_view->insert_notify_handler);
1589 gail_text_view->insert_notify_handler = 0;
1590 insert_idle_handler (gail_text_view);
1593 if (insert_offset != gail_text_view->previous_insert_offset)
1596 * If the caret position has not changed then don't bother notifying
1598 * When mouse click is used to change caret position, notification
1599 * is received on button down and button up.
1601 g_signal_emit_by_name (gail_text_view, "text_caret_moved", insert_offset);
1602 gail_text_view->previous_insert_offset = insert_offset;
1607 insert_idle_handler (gpointer data)
1609 GailTextView *gail_text_view;
1610 GtkTextBuffer *buffer;
1612 gail_text_view = GAIL_TEXT_VIEW (data);
1614 g_signal_emit_by_name (data,
1615 gail_text_view->signal_name,
1616 gail_text_view->position,
1617 gail_text_view->length);
1618 gail_text_view->signal_name = NULL;
1619 gail_text_view->position = 0;
1620 gail_text_view->length = 0;
1622 buffer = gail_text_view->textutil->buffer;
1623 if (gail_text_view->insert_notify_handler)
1626 * If called from idle handler notify caret moved
1628 gail_text_view->insert_notify_handler = 0;
1629 emit_text_caret_moved (gail_text_view, get_insert_offset (buffer));
1630 gail_text_view->previous_selection_bound = get_selection_bound (buffer);
1637 atk_streamable_content_interface_init (AtkStreamableContentIface *iface)
1639 iface->get_n_mime_types = gail_streamable_content_get_n_mime_types;
1640 iface->get_mime_type = gail_streamable_content_get_mime_type;
1641 iface->get_stream = gail_streamable_content_get_stream;
1644 static gint gail_streamable_content_get_n_mime_types (AtkStreamableContent *streamable)
1646 gint n_mime_types = 0;
1648 if (GAIL_IS_TEXT_VIEW (streamable) && GAIL_TEXT_VIEW (streamable)->textutil)
1651 gboolean advertises_plaintext = FALSE;
1653 gtk_text_buffer_get_serialize_formats (
1654 GAIL_TEXT_VIEW (streamable)->textutil->buffer,
1656 for (i = 0; i < n_mime_types-1; ++i)
1657 if (!strcmp ("text/plain", gdk_atom_name (atoms[i])))
1658 advertises_plaintext = TRUE;
1659 if (!advertises_plaintext) ++n_mime_types;
1660 /* we support text/plain even if the GtkTextBuffer doesn't */
1662 return n_mime_types;
1665 static G_CONST_RETURN gchar*
1666 gail_streamable_content_get_mime_type (AtkStreamableContent *streamable, gint i)
1668 if (GAIL_IS_TEXT_VIEW (streamable) && GAIL_TEXT_VIEW (streamable)->textutil)
1670 gint n_mime_types = 0;
1672 atoms = gtk_text_buffer_get_serialize_formats (
1673 GAIL_TEXT_VIEW (streamable)->textutil->buffer,
1675 if (i < n_mime_types)
1677 return gdk_atom_name (atoms [i]);
1679 else if (i == n_mime_types)
1680 return "text/plain";
1685 static GIOChannel* gail_streamable_content_get_stream (AtkStreamableContent *streamable,
1686 const gchar *mime_type)
1688 gint i, n_mime_types = 0;
1690 if (!GAIL_IS_TEXT_VIEW (streamable) || !GAIL_TEXT_VIEW (streamable)->textutil)
1692 atoms = gtk_text_buffer_get_serialize_formats (
1693 GAIL_TEXT_VIEW (streamable)->textutil->buffer,
1695 for (i = 0; i < n_mime_types; ++i)
1697 if (!strcmp ("text/plain", mime_type) ||
1698 !strcmp (gdk_atom_name (atoms[i]), mime_type)) {
1699 GtkTextBuffer *buffer;
1704 GtkTextIter start, end;
1705 GIOChannel *gio = NULL;
1707 buffer = GAIL_TEXT_VIEW (streamable)->textutil->buffer;
1708 gtk_text_buffer_get_iter_at_offset (buffer, &start, 0);
1709 gtk_text_buffer_get_iter_at_offset (buffer, &end, -1);
1710 if (!strcmp ("text/plain", mime_type))
1712 cbuf = (guint8*) gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
1713 len = strlen ((const char *) cbuf);
1717 cbuf = gtk_text_buffer_serialize (buffer, buffer, atoms[i], &start, &end, &len);
1719 g_snprintf (tname, 20, "streamXXXXXX");
1720 fd = g_mkstemp (tname);
1721 gio = g_io_channel_unix_new (fd);
1722 g_io_channel_set_encoding (gio, NULL, &err);
1723 if (!err) g_io_channel_write_chars (gio, (const char *) cbuf, (gssize) len, &written, &err);
1724 else g_message ("%s", err->message);
1725 if (!err) g_io_channel_seek_position (gio, 0, G_SEEK_SET, &err);
1726 else g_message ("%s", err->message);
1727 if (!err) g_io_channel_flush (gio, &err);
1728 else g_message ("%s", err->message);
1730 g_message ("<error writing to stream [%s]>", tname);
1733 /* make sure the file is removed on unref of the giochannel */