diff options
Diffstat (limited to 'widgets/text/gal-a11y-e-text.c')
| -rw-r--r-- | widgets/text/gal-a11y-e-text.c | 1141 |
1 files changed, 0 insertions, 1141 deletions
diff --git a/widgets/text/gal-a11y-e-text.c b/widgets/text/gal-a11y-e-text.c deleted file mode 100644 index 44b069d3a7..0000000000 --- a/widgets/text/gal-a11y-e-text.c +++ /dev/null @@ -1,1141 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) version 3. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Authors: - * Christopher James Lahey <clahey@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> - -#include <gtk/gtk.h> - -#include "a11y/gal-a11y-util.h" -#include "text/e-text.h" -#include "text/e-text-model-repos.h" - -#include "gal-a11y-e-text.h" -#include "gal-a11y-e-text-factory.h" - -static GObjectClass *parent_class; -static AtkComponentIface *component_parent_iface; -static GType parent_type; -static gint priv_offset; -static GQuark quark_accessible_object = 0; -#define PARENT_TYPE (parent_type) - -struct _GalA11yETextPrivate { - gint dummy; -}; - -static void -et_dispose (GObject *object) -{ - if (parent_class->dispose) - parent_class->dispose (object); -} - -/* Static functions */ - -static void -et_get_extents (AtkComponent *component, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coord_type) -{ - EText *item = E_TEXT (atk_gobject_accessible_get_object ( - ATK_GOBJECT_ACCESSIBLE (component))); - gdouble real_width; - gdouble real_height; - gint fake_width; - gint fake_height; - - if (component_parent_iface && - component_parent_iface->get_extents) - component_parent_iface->get_extents (component, - x, - y, - &fake_width, - &fake_height, - coord_type); - - g_object_get ( - item, - "text_width", &real_width, - "text_height", &real_height, - NULL); - - if (width) - *width = real_width; - if (height) - *height = real_height; -} - -static const gchar * -et_get_full_text (AtkText *text) -{ - GObject *obj; - EText *etext; - ETextModel *model; - const gchar *full_text; - - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return ""; - - etext = E_TEXT (obj); - g_object_get (etext, "model", &model, NULL); - - full_text = e_text_model_get_text (model); - - return full_text; -} - -static void -et_set_full_text (AtkEditableText *text, - const gchar *full_text) -{ - GObject *obj; - EText *etext; - ETextModel *model; - - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - etext = E_TEXT (obj); - g_object_get (etext, "model", &model, NULL); - - e_text_model_set_text (model, full_text); -} - -static gchar * -et_get_text (AtkText *text, - gint start_offset, - gint end_offset) -{ - gint start, end, real_start, real_end, len; - const gchar *full_text = et_get_full_text (text); - if (full_text == NULL) - return NULL; - len = g_utf8_strlen (full_text, -1); - - start = MIN (MAX (0, start_offset), len); - end = MIN (MAX (-1, end_offset), len); - - if (end_offset == -1) - end = strlen (full_text); - else - end = g_utf8_offset_to_pointer (full_text, end) - full_text; - - start = g_utf8_offset_to_pointer (full_text, start) - full_text; - - real_start = MIN (start, end); - real_end = MAX (start, end); - - return g_strndup (full_text + real_start, real_end - real_start); -} - -static gboolean -is_a_seperator (gunichar c) -{ - return g_unichar_ispunct (c) || g_unichar_isspace (c); -} - -static gint -find_word_start (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset; - gchar *at_offset; - gunichar current, previous; - gint len; - - offset = begin_offset; - len = g_utf8_strlen (text, -1); - - while (offset > 0 && offset < len) { - at_offset = g_utf8_offset_to_pointer (text, offset); - current = g_utf8_get_char_validated (at_offset, -1); - at_offset = g_utf8_offset_to_pointer (text, offset - 1); - previous = g_utf8_get_char_validated (at_offset, -1); - if ((!is_a_seperator (current)) && is_a_seperator (previous)) - break; - offset += step; - } - - return offset; -} - -static gint -find_word_end (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset; - gchar *at_offset; - gunichar current, previous; - gint len; - - offset = begin_offset; - len = g_utf8_strlen (text, -1); - - while (offset > 0 && offset < len) { - at_offset = g_utf8_offset_to_pointer (text, offset); - current = g_utf8_get_char_validated (at_offset, -1); - at_offset = g_utf8_offset_to_pointer (text, offset - 1); - previous = g_utf8_get_char_validated (at_offset, -1); - if (is_a_seperator (current) && (!is_a_seperator (previous))) - break; - offset += step; - } - - return offset; -} - -static gint -find_sentence_start (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset, last_word_end, len; - gchar *at_offset; - gunichar ch; - gint i; - - offset = find_word_start (text, begin_offset, step); - len = g_utf8_strlen (text, -1); - - while (offset > 0 && offset <len) { - last_word_end = find_word_end (text, offset - 1, -1); - if (last_word_end == 0) - break; - for (i = last_word_end; i < offset; i++) { - at_offset = g_utf8_offset_to_pointer (text, i); - ch = g_utf8_get_char_validated (at_offset, -1); - if (ch == '.' || ch == '!' || ch == '?') - return offset; - } - - offset = find_word_start (text, offset + step, step); - } - - return offset; -} - -static gint -find_sentence_end (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset; - gchar *at_offset; - gunichar previous; - gint len; - - offset = begin_offset; - len = g_utf8_strlen (text, -1); - - while (offset > 0 && offset < len) { - at_offset = g_utf8_offset_to_pointer (text, offset - 1); - previous = g_utf8_get_char_validated (at_offset, -1); - if (previous == '.' || previous == '!' || previous == '?') - break; - offset += step; - } - - return offset; -} - -static gint -find_line_start (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset; - gchar *at_offset; - gunichar previous; - gint len; - - offset = begin_offset; - len = g_utf8_strlen (text, -1); - - while (offset > 0 && offset < len) { - at_offset = g_utf8_offset_to_pointer (text, offset - 1); - previous = g_utf8_get_char_validated (at_offset, -1); - if (previous == '\n' || previous == '\r') - break; - offset += step; - } - - return offset; -} - -static gint -find_line_end (const gchar *text, - gint begin_offset, - gint step) -{ - gint offset; - gchar *at_offset; - gunichar current; - gint len; - - offset = begin_offset; - len = g_utf8_strlen (text, -1); - - while (offset >= 0 && offset < len) { - at_offset = g_utf8_offset_to_pointer (text, offset); - current = g_utf8_get_char_validated (at_offset, -1); - if (current == '\n' || current == '\r') - break; - offset += step; - } - - return offset; -} - -static gchar * -et_get_text_after_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - gint start, end, len; - const gchar *full_text = et_get_full_text (text); - g_return_val_if_fail (full_text, NULL); - - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - start = offset + 1; - end = offset + 2; - break; - case ATK_TEXT_BOUNDARY_WORD_START: - start = find_word_start (full_text, offset + 1, 1); - end = find_word_start (full_text, start + 1, 1); - break; - case ATK_TEXT_BOUNDARY_WORD_END: - start = find_word_end (full_text, offset + 1, 1); - end = find_word_end (full_text, start + 1, 1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - start = find_sentence_start (full_text, offset + 1, 1); - end = find_sentence_start (full_text, start + 1, 1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - start = find_sentence_end (full_text, offset + 1, 1); - end = find_sentence_end (full_text, start + 1, 1); - break; - case ATK_TEXT_BOUNDARY_LINE_START: - start = find_line_start (full_text, offset + 1, 1); - end = find_line_start (full_text, start + 1, 1); - break; - case ATK_TEXT_BOUNDARY_LINE_END: - start = find_line_end (full_text, offset + 1, 1); - end = find_line_end (full_text, start + 1, 1); - break; - default: - return NULL; - } - - len = g_utf8_strlen (full_text, -1); - if (start_offset) - *start_offset = MIN (MAX (0, start), len); - if (end_offset) - *end_offset = MIN (MAX (0, end), len); - return et_get_text (text, start, end); -} - -static gchar * -et_get_text_at_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - gint start, end, len; - const gchar *full_text = et_get_full_text (text); - g_return_val_if_fail (full_text, NULL); - - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - start = offset; - end = offset + 1; - break; - case ATK_TEXT_BOUNDARY_WORD_START: - start = find_word_start (full_text, offset - 1, -1); - end = find_word_start (full_text, offset, 1); - break; - case ATK_TEXT_BOUNDARY_WORD_END: - start = find_word_end (full_text, offset, -1); - end = find_word_end (full_text, offset + 1, 1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - start = find_sentence_start (full_text, offset - 1, -1); - end = find_sentence_start (full_text, offset, 1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - start = find_sentence_end (full_text, offset, -1); - end = find_sentence_end (full_text, offset + 1, 1); - break; - case ATK_TEXT_BOUNDARY_LINE_START: - start = find_line_start (full_text, offset - 1, -1); - end = find_line_start (full_text, offset, 1); - break; - case ATK_TEXT_BOUNDARY_LINE_END: - start = find_line_end (full_text, offset, -1); - end = find_line_end (full_text, offset + 1, 1); - break; - default: - return NULL; - } - - len = g_utf8_strlen (full_text, -1); - if (start_offset) - *start_offset = MIN (MAX (0, start), len); - if (end_offset) - *end_offset = MIN (MAX (0, end), len); - return et_get_text (text, start, end); -} - -static gunichar -et_get_character_at_offset (AtkText *text, - gint offset) -{ - const gchar *full_text = et_get_full_text (text); - gchar *at_offset; - - at_offset = g_utf8_offset_to_pointer (full_text, offset); - return g_utf8_get_char_validated (at_offset, -1); -} - -static gchar * -et_get_text_before_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - gint start, end, len; - const gchar *full_text = et_get_full_text (text); - g_return_val_if_fail (full_text, NULL); - - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - start = offset - 1; - end = offset; - break; - case ATK_TEXT_BOUNDARY_WORD_START: - end = find_word_start (full_text, offset - 1, -1); - start = find_word_start (full_text, end - 1, -1); - break; - case ATK_TEXT_BOUNDARY_WORD_END: - end = find_word_end (full_text, offset, -1); - start = find_word_end (full_text, end - 1, -1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - end = find_sentence_start (full_text, offset, -1); - start = find_sentence_start (full_text, end - 1, -1); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - end = find_sentence_end (full_text, offset, -1); - start = find_sentence_end (full_text, end - 1, -1); - break; - case ATK_TEXT_BOUNDARY_LINE_START: - end = find_line_start (full_text, offset, -1); - start = find_line_start (full_text, end - 1, -1); - break; - case ATK_TEXT_BOUNDARY_LINE_END: - end = find_line_end (full_text, offset, -1); - start = find_line_end (full_text, end - 1, -1); - break; - default: - return NULL; - } - - len = g_utf8_strlen (full_text, -1); - if (start_offset) - *start_offset = MIN (MAX (0, start), len); - if (end_offset) - *end_offset = MIN (MAX (0, end), len); - return et_get_text (text, start, end); -} - -static gint -et_get_caret_offset (AtkText *text) -{ - GObject *obj; - EText *etext; - gint offset; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), -1); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return -1; - - g_return_val_if_fail (E_IS_TEXT (obj), -1); - etext = E_TEXT (obj); - - g_object_get (etext, "cursor_pos", &offset, NULL); - return offset; -} - -static AtkAttributeSet * -et_get_run_attributes (AtkText *text, - gint offset, - gint *start_offset, - gint *end_offset) -{ - /* Unimplemented */ - return NULL; -} - -static AtkAttributeSet * -et_get_default_attributes (AtkText *text) -{ - /* Unimplemented */ - return NULL; -} - -static void -et_get_character_extents (AtkText *text, - gint offset, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coords) -{ - GObject *obj; - EText *etext; - GnomeCanvas *canvas; - gint x_widget, y_widget, x_window, y_window; - GdkWindow *window; - GtkWidget *widget; - PangoRectangle pango_pos; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - canvas = GNOME_CANVAS_ITEM (etext)->canvas; - widget = GTK_WIDGET (canvas); - window = gtk_widget_get_window (widget); - gdk_window_get_origin (window, &x_widget, &y_widget); - - pango_layout_index_to_pos (etext->layout, offset, &pango_pos); - pango_pos.x = PANGO_PIXELS (pango_pos.x); - pango_pos.y = PANGO_PIXELS (pango_pos.y); - pango_pos.width = (pango_pos.width + PANGO_SCALE / 2) / PANGO_SCALE; - pango_pos.height = (pango_pos.height + PANGO_SCALE / 2) / PANGO_SCALE; - - *x = pango_pos.x + x_widget; - *y = pango_pos.y + y_widget; - - *width = pango_pos.width; - *height = pango_pos.height; - - *x += etext->xofs; - *y += etext->yofs; - - if (etext->editing) { - *x -= etext->xofs_edit; - *y -= etext->yofs_edit; - } - - *x += etext->cx; - *y += etext->cy; - - if (coords == ATK_XY_WINDOW) { - window = gdk_window_get_toplevel (window); - gdk_window_get_origin (window, &x_window, &y_window); - *x -= x_window; - *y -= y_window; - } - else if (coords == ATK_XY_SCREEN) { - } - else { - *x = 0; - *y = 0; - *height = 0; - *width = 0; - } -} - -static gint -et_get_character_count (AtkText *text) -{ - const gchar *full_text = et_get_full_text (text); - - return g_utf8_strlen (full_text, -1); -} - -static gint -et_get_offset_at_point (AtkText *text, - gint x, - gint y, - AtkCoordType coords) -{ - GObject *obj; - EText *etext; - GnomeCanvas *canvas; - gint x_widget, y_widget, x_window, y_window; - GdkWindow *window; - GtkWidget *widget; - gint index; - gint trailing; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), -1); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return -1; - g_return_val_if_fail (E_IS_TEXT (obj), -1); - etext = E_TEXT (obj); - canvas = GNOME_CANVAS_ITEM (etext)->canvas; - widget = GTK_WIDGET (canvas); - window = gtk_widget_get_window (widget); - gdk_window_get_origin (window, &x_widget, &y_widget); - - if (coords == ATK_XY_SCREEN) { - x = x - x_widget; - y = y - y_widget; - } - else if (coords == ATK_XY_WINDOW) { - window = gdk_window_get_toplevel (window); - gdk_window_get_origin (window, &x_window, &y_window); - x = x - x_widget + x_window; - y = y - y_widget + y_window; - } - else - return -1; - - x -= etext->xofs; - y -= etext->yofs; - - if (etext->editing) { - x += etext->xofs_edit; - y += etext->yofs_edit; - } - - x -= etext->cx; - y -= etext->cy; - - pango_layout_xy_to_index ( - etext->layout, - x * PANGO_SCALE - PANGO_SCALE / 2, - y * PANGO_SCALE - PANGO_SCALE / 2, - &index, - &trailing); - - return g_utf8_pointer_to_offset (etext->text, etext->text + index + trailing); -} - -static gint -et_get_n_selections (AtkText *text) -{ - EText *etext; - GObject *obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - - if (obj == NULL) - return -1; - etext = E_TEXT (obj); - - if (etext->selection_start != - etext->selection_end) - return 1; - return 0; -} - -static gchar * -et_get_selection (AtkText *text, - gint selection_num, - gint *start_offset, - gint *end_offset) -{ - gint start, end, real_start, real_end, len; - EText *etext; - if (selection_num == 0) { - const gchar *full_text = et_get_full_text (text); - if (full_text == NULL) - return NULL; - len = g_utf8_strlen (full_text, -1); - etext = E_TEXT (atk_gobject_accessible_get_object ( - ATK_GOBJECT_ACCESSIBLE (text))); - start = MIN (etext->selection_start, etext->selection_end); - end = MAX (etext->selection_start, etext->selection_end); - start = MIN (MAX (0, start), len); - end = MIN (MAX (0, end), len); - if (start != end) { - if (start_offset) - *start_offset = start; - if (end_offset) - *end_offset = end; - real_start = g_utf8_offset_to_pointer (full_text, start) - full_text; - real_end = g_utf8_offset_to_pointer (full_text, end) - full_text; - return g_strndup (full_text + real_start, real_end - real_start); - } - } - - return NULL; -} - -static gboolean -et_add_selection (AtkText *text, - gint start_offset, - gint end_offset) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - g_return_val_if_fail (start_offset >= 0, FALSE); - g_return_val_if_fail (start_offset >= -1, FALSE); - if (end_offset == -1) - end_offset = et_get_character_count (text); - - if (start_offset != end_offset) { - gint real_start, real_end; - real_start = MIN (start_offset, end_offset); - real_end = MAX (start_offset, end_offset); - etext->selection_start = real_start; - etext->selection_end = real_end; - - gnome_canvas_item_grab_focus (GNOME_CANVAS_ITEM (etext)); - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (etext)); - - g_signal_emit_by_name (ATK_OBJECT (text), "text_selection_changed"); - - return TRUE; - } - - return FALSE; -} - -static gboolean -et_remove_selection (AtkText *text, - gint selection_num) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - if (selection_num == 0 - && etext->selection_start != etext->selection_end) { - etext->selection_end = etext->selection_start; - g_signal_emit_by_name (ATK_OBJECT (text), "text_selection_changed"); - return TRUE; - } - - return FALSE; -} - -static gboolean -et_set_selection (AtkText *text, - gint selection_num, - gint start_offset, - gint end_offset) -{ - GObject *obj; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - if (selection_num == 0) - return et_add_selection (text, start_offset, end_offset); - return FALSE; -} - -static gboolean -et_set_caret_offset (AtkText *text, - gint offset) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - if (offset < -1) - return FALSE; - else { - ETextEventProcessorCommand command; - - if (offset == -1) - offset = et_get_character_count (text); - - command.action = E_TEP_MOVE; - command.position = E_TEP_VALUE; - command.value = offset; - command.time = GDK_CURRENT_TIME; - g_signal_emit_by_name (etext->tep, "command", &command); - return TRUE; - } -} - -static gboolean -et_set_run_attributes (AtkEditableText *text, - AtkAttributeSet *attrib_set, - gint start_offset, - gint end_offset) -{ - /* Unimplemented */ - return FALSE; -} - -static void -et_set_text_contents (AtkEditableText *text, - const gchar *string) -{ - et_set_full_text (text, string); -} - -static void -et_insert_text (AtkEditableText *text, - const gchar *string, - gint length, - gint *position) -{ - /* Utf8 unimplemented */ - gchar *result; - - const gchar *full_text = et_get_full_text (ATK_TEXT (text)); - if (full_text == NULL) - return; - - result = g_strdup_printf ( - "%.*s%.*s%s", *position, full_text, - length, string, full_text + *position); - - et_set_full_text (text, result); - - *position += length; - - g_free (result); -} - -static void -et_copy_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - if (start_pos != end_pos) { - etext->selection_start = start_pos; - etext->selection_end = end_pos; - e_text_copy_clipboard (etext); - } -} - -static void -et_delete_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - etext->selection_start = start_pos; - etext->selection_end = end_pos; - - e_text_delete_selection (etext); -} - -static void -et_cut_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - et_copy_text (text, start_pos, end_pos); - et_delete_text (text, start_pos, end_pos); -} - -static void -et_paste_text (AtkEditableText *text, - gint position) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - g_object_set (etext, "cursor_pos", position, NULL); - e_text_paste_clipboard (etext); -} - -static void -et_atk_component_iface_init (AtkComponentIface *iface) -{ - iface->get_extents = et_get_extents; -} - -static void -et_atk_text_iface_init (AtkTextIface *iface) -{ - iface->get_text = et_get_text; - iface->get_text_after_offset = et_get_text_after_offset; - iface->get_text_at_offset = et_get_text_at_offset; - iface->get_character_at_offset = et_get_character_at_offset; - iface->get_text_before_offset = et_get_text_before_offset; - iface->get_caret_offset = et_get_caret_offset; - iface->get_run_attributes = et_get_run_attributes; - iface->get_default_attributes = et_get_default_attributes; - iface->get_character_extents = et_get_character_extents; - iface->get_character_count = et_get_character_count; - iface->get_offset_at_point = et_get_offset_at_point; - iface->get_n_selections = et_get_n_selections; - iface->get_selection = et_get_selection; - iface->add_selection = et_add_selection; - iface->remove_selection = et_remove_selection; - iface->set_selection = et_set_selection; - iface->set_caret_offset = et_set_caret_offset; -} - -static void -et_atk_editable_text_iface_init (AtkEditableTextIface *iface) -{ - iface->set_run_attributes = et_set_run_attributes; - iface->set_text_contents = et_set_text_contents; - iface->insert_text = et_insert_text; - iface->copy_text = et_copy_text; - iface->cut_text = et_cut_text; - iface->delete_text = et_delete_text; - iface->paste_text = et_paste_text; -} - -static void -_et_reposition_cb (ETextModel *model, - ETextModelReposFn fn, - gpointer repos_data, - gpointer user_data) -{ - AtkObject *accessible; - AtkText *text; - - accessible = ATK_OBJECT (user_data); - text = ATK_TEXT (accessible); - - if (fn == e_repos_delete_shift) { - EReposDeleteShift *info = (EReposDeleteShift *) repos_data; - g_signal_emit_by_name (text, "text-changed::delete", info->pos, info->len); - } - else if (fn == e_repos_insert_shift) { - EReposInsertShift *info = (EReposInsertShift *) repos_data; - g_signal_emit_by_name (text, "text-changed::insert", info->pos, info->len); - } -} - -static void -_et_command_cb (ETextEventProcessor *tep, - ETextEventProcessorCommand *command, - gpointer user_data) -{ - AtkObject *accessible; - AtkText *text; - - accessible = ATK_OBJECT (user_data); - text = ATK_TEXT (accessible); - - switch (command->action) { - case E_TEP_MOVE: - g_signal_emit_by_name (text, "text-caret-moved", et_get_caret_offset (text)); - break; - case E_TEP_SELECT: - g_signal_emit_by_name (text, "text-selection-changed"); - break; - default: - break; - } -} - -static void -et_real_initialize (AtkObject *obj, - gpointer data) -{ - EText *etext; - - ATK_OBJECT_CLASS (parent_class)->initialize (obj, data); - - g_return_if_fail (GAL_A11Y_IS_E_TEXT (obj)); - g_return_if_fail (E_IS_TEXT (data)); - - etext = E_TEXT (data); - - /* Set up signal callbacks */ - g_signal_connect ( - etext->model, "reposition", - G_CALLBACK (_et_reposition_cb), obj); - - if (etext->tep) - g_signal_connect_after ( - etext->tep, "command", - (GCallback) _et_command_cb, obj); - - obj->role = ATK_ROLE_TEXT; -} - -static void -et_class_init (GalA11yETextClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - AtkObjectClass *atk_class = ATK_OBJECT_CLASS (class); - - quark_accessible_object = - g_quark_from_static_string ("gtk-accessible-object"); - parent_class = g_type_class_ref (PARENT_TYPE); - component_parent_iface = - g_type_interface_peek (parent_class, ATK_TYPE_COMPONENT); - object_class->dispose = et_dispose; - atk_class->initialize = et_real_initialize; -} - -static void -et_init (GalA11yEText *a11y) -{ -} - -/** - * gal_a11y_e_text_get_type: - * @void: - * - * Registers the &GalA11yEText class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the &GalA11yEText class. - **/ -GType -gal_a11y_e_text_get_type (void) -{ - static GType type = 0; - - if (!type) { - AtkObjectFactory *factory; - - GTypeInfo info = { - sizeof (GalA11yETextClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) et_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GalA11yEText), - 0, - (GInstanceInitFunc) et_init, - NULL /* value_text */ - }; - - static const GInterfaceInfo atk_component_info = { - (GInterfaceInitFunc) et_atk_component_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - static const GInterfaceInfo atk_text_info = { - (GInterfaceInitFunc) et_atk_text_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - static const GInterfaceInfo atk_editable_text_info = { - (GInterfaceInitFunc) et_atk_editable_text_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - - factory = atk_registry_get_factory ( - atk_get_default_registry (), GNOME_TYPE_CANVAS_ITEM); - parent_type = atk_object_factory_get_accessible_type (factory); - - type = gal_a11y_type_register_static_with_private ( - PARENT_TYPE, "GalA11yEText", &info, 0, - sizeof (GalA11yETextPrivate), &priv_offset); - - g_type_add_interface_static ( - type, ATK_TYPE_COMPONENT, &atk_component_info); - g_type_add_interface_static ( - type, ATK_TYPE_TEXT, &atk_text_info); - g_type_add_interface_static ( - type, ATK_TYPE_EDITABLE_TEXT, &atk_editable_text_info); - } - - return type; -} - -void -gal_a11y_e_text_init (void) -{ - if (atk_get_root ()) - atk_registry_set_factory_type ( - atk_get_default_registry (), - E_TYPE_TEXT, - gal_a11y_e_text_factory_get_type ()); - -} - |