+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
- *
- * This library 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) any later version.
- *
- * This library 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 this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <gtk/gtk.h>
-#include "gailnotebookpage.h"
-#include <libgail-util/gailmisc.h>
-#include "gail-private-macros.h"
-
-static void gail_notebook_page_class_init (GailNotebookPageClass *klass);
-static void gail_notebook_page_init (GailNotebookPage *page);
-static void gail_notebook_page_finalize (GObject *object);
-static void gail_notebook_page_label_map_gtk (GtkWidget *widget,
- gpointer data);
-
-static const gchar* gail_notebook_page_get_name (AtkObject *accessible);
-static AtkObject* gail_notebook_page_get_parent (AtkObject *accessible);
-static gint gail_notebook_page_get_n_children (AtkObject *accessible);
-static AtkObject* gail_notebook_page_ref_child (AtkObject *accessible,
- gint i);
-static gint gail_notebook_page_get_index_in_parent
- (AtkObject *accessible);
-static AtkStateSet* gail_notebook_page_ref_state_set (AtkObject *accessible);
-
-static gint gail_notebook_page_notify (GObject *obj,
- GParamSpec *pspec,
- gpointer user_data);
-static void gail_notebook_page_init_textutil (GailNotebookPage *notebook_page,
- GtkWidget *label);
-
-static void atk_component_interface_init (AtkComponentIface *iface);
-
-static AtkObject* gail_notebook_page_ref_accessible_at_point
- (AtkComponent *component,
- gint x,
- gint y,
- AtkCoordType coord_type);
-
-static void gail_notebook_page_get_extents (AtkComponent *component,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type);
-
-static AtkObject* _gail_notebook_page_get_tab_label (GailNotebookPage *page);
-
-/* atktext.h */
-static void atk_text_interface_init (AtkTextIface *iface);
-
-static gchar* gail_notebook_page_get_text (AtkText *text,
- gint start_pos,
- gint end_pos);
-static gunichar gail_notebook_page_get_character_at_offset
- (AtkText *text,
- gint offset);
-static gchar* gail_notebook_page_get_text_before_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_notebook_page_get_text_at_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_notebook_page_get_text_after_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gint gail_notebook_page_get_character_count (AtkText *text);
-static void gail_notebook_page_get_character_extents
- (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords);
-static gint gail_notebook_page_get_offset_at_point
- (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords);
-static AtkAttributeSet* gail_notebook_page_get_run_attributes
- (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset);
-static AtkAttributeSet* gail_notebook_page_get_default_attributes
- (AtkText *text);
-static GtkWidget* get_label_from_notebook_page (GailNotebookPage *page);
-static GtkWidget* find_label_child (GtkContainer *container);
-
-/* FIXME: not GAIL_TYPE_OBJECT? */
-G_DEFINE_TYPE_WITH_CODE (GailNotebookPage, gail_notebook_page, ATK_TYPE_OBJECT,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init)
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init))
-
-static void
-gail_notebook_page_class_init (GailNotebookPageClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
-
- class->get_name = gail_notebook_page_get_name;
- class->get_parent = gail_notebook_page_get_parent;
- class->get_n_children = gail_notebook_page_get_n_children;
- class->ref_child = gail_notebook_page_ref_child;
- class->ref_state_set = gail_notebook_page_ref_state_set;
- class->get_index_in_parent = gail_notebook_page_get_index_in_parent;
-
- gobject_class->finalize = gail_notebook_page_finalize;
-}
-
-static void
-gail_notebook_page_init (GailNotebookPage *page)
-{
-}
-
-static gint
-notify_child_added (gpointer data)
-{
- GailNotebookPage *page;
- AtkObject *atk_object, *atk_parent;
-
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (data), FALSE);
- page = GAIL_NOTEBOOK_PAGE (data);
- atk_object = ATK_OBJECT (data);
-
- page->notify_child_added_id = 0;
-
- /* The widget page->notebook may be deleted before this handler is called */
- if (page->notebook != NULL)
- {
- atk_parent = gtk_widget_get_accessible (GTK_WIDGET (page->notebook));
- atk_object_set_parent (atk_object, atk_parent);
- g_signal_emit_by_name (atk_parent, "children_changed::add", page->index, atk_object, NULL);
- }
-
- return FALSE;
-}
-
-AtkObject*
-gail_notebook_page_new (GtkNotebook *notebook,
- gint pagenum)
-{
- GObject *object;
- AtkObject *atk_object;
- GailNotebookPage *page;
- GtkWidget *child;
- GtkWidget *label;
- GtkWidget *widget_page;
-
- g_return_val_if_fail (GTK_IS_NOTEBOOK (notebook), NULL);
-
- child = gtk_notebook_get_nth_page (notebook, pagenum);
-
- if (!child)
- return NULL;
-
- object = g_object_new (GAIL_TYPE_NOTEBOOK_PAGE, NULL);
- g_return_val_if_fail (object != NULL, NULL);
-
- page = GAIL_NOTEBOOK_PAGE (object);
- page->notebook = notebook;
- g_object_add_weak_pointer (G_OBJECT (page->notebook), (gpointer *)&page->notebook);
- page->index = pagenum;
- widget_page = gtk_notebook_get_nth_page (notebook, pagenum);
- page->page = widget_page;
- page->textutil = NULL;
-
- atk_object = ATK_OBJECT (page);
- atk_object->role = ATK_ROLE_PAGE_TAB;
- atk_object->layer = ATK_LAYER_WIDGET;
-
- page->notify_child_added_id = gdk_threads_add_idle (notify_child_added, atk_object);
- /*
- * We get notified of changes to the label
- */
- label = get_label_from_notebook_page (page);
- if (GTK_IS_LABEL (label))
- {
- if (gtk_widget_get_mapped (label))
- gail_notebook_page_init_textutil (page, label);
- else
- g_signal_connect (label,
- "map",
- G_CALLBACK (gail_notebook_page_label_map_gtk),
- page);
- }
-
- return atk_object;
-}
-
-static void
-gail_notebook_page_label_map_gtk (GtkWidget *widget,
- gpointer data)
-{
- GailNotebookPage *page;
-
- page = GAIL_NOTEBOOK_PAGE (data);
- gail_notebook_page_init_textutil (page, widget);
-}
-
-static void
-gail_notebook_page_init_textutil (GailNotebookPage *page,
- GtkWidget *label)
-{
- const gchar *label_text;
-
- if (page->textutil == NULL)
- {
- page->textutil = gail_text_util_new ();
- g_signal_connect (label,
- "notify",
- (GCallback) gail_notebook_page_notify,
- page);
- }
- label_text = gtk_label_get_text (GTK_LABEL (label));
- gail_text_util_text_setup (page->textutil, label_text);
-}
-
-static gint
-gail_notebook_page_notify (GObject *obj,
- GParamSpec *pspec,
- gpointer user_data)
-{
- AtkObject *atk_obj = ATK_OBJECT (user_data);
- GtkLabel *label;
- GailNotebookPage *page;
-
- if (strcmp (pspec->name, "label") == 0)
- {
- const gchar* label_text;
-
- label = GTK_LABEL (obj);
-
- label_text = gtk_label_get_text (label);
-
- page = GAIL_NOTEBOOK_PAGE (atk_obj);
- gail_text_util_text_setup (page->textutil, label_text);
-
- if (atk_obj->name == NULL)
- {
- /*
- * The label has changed so notify a change in accessible-name
- */
- g_object_notify (G_OBJECT (atk_obj), "accessible-name");
- }
- /*
- * The label is the only property which can be changed
- */
- g_signal_emit_by_name (atk_obj, "visible_data_changed");
- }
- return 1;
-}
-
-static void
-gail_notebook_page_finalize (GObject *object)
-{
- GailNotebookPage *page = GAIL_NOTEBOOK_PAGE (object);
-
- if (page->notebook)
- g_object_remove_weak_pointer (G_OBJECT (page->notebook), (gpointer *)&page->notebook);
-
- if (page->textutil)
- g_object_unref (page->textutil);
-
- if (page->notify_child_added_id)
- g_source_remove (page->notify_child_added_id);
-
- G_OBJECT_CLASS (gail_notebook_page_parent_class)->finalize (object);
-}
-
-static const gchar*
-gail_notebook_page_get_name (AtkObject *accessible)
-{
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (accessible), NULL);
-
- if (accessible->name != NULL)
- return accessible->name;
- else
- {
- GtkWidget *label;
-
- label = get_label_from_notebook_page (GAIL_NOTEBOOK_PAGE (accessible));
- if (GTK_IS_LABEL (label))
- return gtk_label_get_text (GTK_LABEL (label));
- else
- return NULL;
- }
-}
-
-static AtkObject*
-gail_notebook_page_get_parent (AtkObject *accessible)
-{
- GailNotebookPage *page;
-
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (accessible), NULL);
-
- page = GAIL_NOTEBOOK_PAGE (accessible);
-
- if (!page->notebook)
- return NULL;
-
- return gtk_widget_get_accessible (GTK_WIDGET (page->notebook));
-}
-
-static gint
-gail_notebook_page_get_n_children (AtkObject *accessible)
-{
- /* Notebook page has only one child */
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (accessible), 0);
-
- return 1;
-}
-
-static AtkObject*
-gail_notebook_page_ref_child (AtkObject *accessible,
- gint i)
-{
- GtkWidget *child;
- AtkObject *child_obj;
- GailNotebookPage *page = NULL;
-
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (accessible), NULL);
- if (i != 0)
- return NULL;
-
- page = GAIL_NOTEBOOK_PAGE (accessible);
- if (!page->notebook)
- return NULL;
-
- child = gtk_notebook_get_nth_page (page->notebook, page->index);
- gail_return_val_if_fail (GTK_IS_WIDGET (child), NULL);
-
- child_obj = gtk_widget_get_accessible (child);
- g_object_ref (child_obj);
- return child_obj;
-}
-
-static gint
-gail_notebook_page_get_index_in_parent (AtkObject *accessible)
-{
- GailNotebookPage *page;
-
- g_return_val_if_fail (GAIL_IS_NOTEBOOK_PAGE (accessible), -1);
- page = GAIL_NOTEBOOK_PAGE (accessible);
-
- return page->index;
-}
-
-static AtkStateSet*
-gail_notebook_page_ref_state_set (AtkObject *accessible)
-{
- AtkStateSet *state_set, *label_state_set, *merged_state_set;
- AtkObject *atk_label;
-
- g_return_val_if_fail (GAIL_NOTEBOOK_PAGE (accessible), NULL);
-
- state_set = ATK_OBJECT_CLASS (gail_notebook_page_parent_class)->ref_state_set (accessible);
-
- atk_label = _gail_notebook_page_get_tab_label (GAIL_NOTEBOOK_PAGE (accessible));
- if (atk_label)
- {
- label_state_set = atk_object_ref_state_set (atk_label);
- merged_state_set = atk_state_set_or_sets (state_set, label_state_set);
- g_object_unref (label_state_set);
- g_object_unref (state_set);
- }
- else
- {
- AtkObject *child;
-
- child = atk_object_ref_accessible_child (accessible, 0);
- gail_return_val_if_fail (child, state_set);
-
- merged_state_set = state_set;
- state_set = atk_object_ref_state_set (child);
- if (atk_state_set_contains_state (state_set, ATK_STATE_VISIBLE))
- {
- atk_state_set_add_state (merged_state_set, ATK_STATE_VISIBLE);
- if (atk_state_set_contains_state (state_set, ATK_STATE_ENABLED))
- atk_state_set_add_state (merged_state_set, ATK_STATE_ENABLED);
- if (atk_state_set_contains_state (state_set, ATK_STATE_SHOWING))
- atk_state_set_add_state (merged_state_set, ATK_STATE_SHOWING);
-
- }
- g_object_unref (state_set);
- g_object_unref (child);
- }
- return merged_state_set;
-}
-
-
-static void
-atk_component_interface_init (AtkComponentIface *iface)
-{
- /*
- * We use the default implementations for contains, get_position, get_size
- */
- iface->ref_accessible_at_point = gail_notebook_page_ref_accessible_at_point;
- iface->get_extents = gail_notebook_page_get_extents;
-}
-
-static AtkObject*
-gail_notebook_page_ref_accessible_at_point (AtkComponent *component,
- gint x,
- gint y,
- AtkCoordType coord_type)
-{
- /*
- * There is only one child so we return it.
- */
- AtkObject* child;
-
- g_return_val_if_fail (ATK_IS_OBJECT (component), NULL);
-
- child = atk_object_ref_accessible_child (ATK_OBJECT (component), 0);
- return child;
-}
-
-static void
-gail_notebook_page_get_extents (AtkComponent *component,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type)
-{
- AtkObject *atk_label;
-
- g_return_if_fail (GAIL_IS_NOTEBOOK_PAGE (component));
-
- atk_label = _gail_notebook_page_get_tab_label (GAIL_NOTEBOOK_PAGE (component));
-
- if (!atk_label)
- {
- AtkObject *child;
-
- *width = 0;
- *height = 0;
-
- child = atk_object_ref_accessible_child (ATK_OBJECT (component), 0);
- gail_return_if_fail (child);
-
- atk_component_get_position (ATK_COMPONENT (child), x, y, coord_type);
- g_object_unref (child);
- }
- else
- {
- atk_component_get_extents (ATK_COMPONENT (atk_label),
- x, y, width, height, coord_type);
- }
- return;
-}
-
-static AtkObject*
-_gail_notebook_page_get_tab_label (GailNotebookPage *page)
-{
- GtkWidget *label;
-
- label = get_label_from_notebook_page (page);
- if (label)
- return gtk_widget_get_accessible (label);
- else
- return NULL;
-}
-
-/* atktext.h */
-
-static void
-atk_text_interface_init (AtkTextIface *iface)
-{
- iface->get_text = gail_notebook_page_get_text;
- iface->get_character_at_offset = gail_notebook_page_get_character_at_offset;
- iface->get_text_before_offset = gail_notebook_page_get_text_before_offset;
- iface->get_text_at_offset = gail_notebook_page_get_text_at_offset;
- iface->get_text_after_offset = gail_notebook_page_get_text_after_offset;
- iface->get_character_count = gail_notebook_page_get_character_count;
- iface->get_character_extents = gail_notebook_page_get_character_extents;
- iface->get_offset_at_point = gail_notebook_page_get_offset_at_point;
- iface->get_run_attributes = gail_notebook_page_get_run_attributes;
- iface->get_default_attributes = gail_notebook_page_get_default_attributes;
-}
-
-static gchar*
-gail_notebook_page_get_text (AtkText *text,
- gint start_pos,
- gint end_pos)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- const gchar *label_text;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL (label))
- return NULL;
-
- if (!notebook_page->textutil)
- gail_notebook_page_init_textutil (notebook_page, label);
-
- label_text = gtk_label_get_text (GTK_LABEL (label));
-
- if (label_text == NULL)
- return NULL;
- else
- {
- return gail_text_util_get_substring (notebook_page->textutil,
- start_pos, end_pos);
- }
-}
-
-static gchar*
-gail_notebook_page_get_text_before_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- if (!notebook_page->textutil)
- gail_notebook_page_init_textutil (notebook_page, label);
-
- return gail_text_util_get_text (notebook_page->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_BEFORE_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_notebook_page_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- if (!notebook_page->textutil)
- gail_notebook_page_init_textutil (notebook_page, label);
-
- return gail_text_util_get_text (notebook_page->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AT_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_notebook_page_get_text_after_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- if (!notebook_page->textutil)
- gail_notebook_page_init_textutil (notebook_page, label);
-
- return gail_text_util_get_text (notebook_page->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gint
-gail_notebook_page_get_character_count (AtkText *text)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return 0;
-
- return g_utf8_strlen (gtk_label_get_text (GTK_LABEL (label)), -1);
-}
-
-static void
-gail_notebook_page_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- PangoRectangle char_rect;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
- pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
-
- gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
- x_layout, y_layout, x, y, width, height, coords);
-}
-
-static gint
-gail_notebook_page_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return -1;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
-
- index = gail_misc_get_index_at_point_in_layout (label,
- gtk_label_get_layout (GTK_LABEL (label)),
- x_layout, y_layout, x, y, coords);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- if (index == -1)
- {
- if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
- return g_utf8_strlen (label_text, -1);
-
- return index;
- }
- else
- return g_utf8_pointer_to_offset (label_text, label_text + index);
-}
-
-static AtkAttributeSet*
-gail_notebook_page_get_run_attributes (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- AtkAttributeSet *at_set = NULL;
- GtkJustification justify;
- GtkTextDirection dir;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- /* Get values set for entire label, if any */
- justify = gtk_label_get_justify (GTK_LABEL (label));
- if (justify != GTK_JUSTIFY_CENTER)
- {
- at_set = gail_misc_add_attribute (at_set,
- ATK_TEXT_ATTR_JUSTIFICATION,
- g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
- }
- dir = gtk_widget_get_direction (label);
- if (dir == GTK_TEXT_DIR_RTL)
- {
- at_set = gail_misc_add_attribute (at_set,
- ATK_TEXT_ATTR_DIRECTION,
- g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
- }
-
- at_set = gail_misc_layout_get_run_attributes (at_set,
- gtk_label_get_layout (GTK_LABEL (label)),
- (gchar *) gtk_label_get_text (GTK_LABEL (label)),
- offset,
- start_offset,
- end_offset);
- return at_set;
-}
-
-static AtkAttributeSet*
-gail_notebook_page_get_default_attributes (AtkText *text)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- AtkAttributeSet *at_set = NULL;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- at_set = gail_misc_get_default_attributes (at_set,
- gtk_label_get_layout (GTK_LABEL (label)),
- label);
- return at_set;
-}
-
-static gunichar
-gail_notebook_page_get_character_at_offset (AtkText *text,
- gint offset)
-{
- GtkWidget *label;
- GailNotebookPage *notebook_page;
- const gchar *string;
- gchar *index;
-
- notebook_page = GAIL_NOTEBOOK_PAGE (text);
- label = get_label_from_notebook_page (notebook_page);
-
- if (!GTK_IS_LABEL(label))
- return '\0';
- string = gtk_label_get_text (GTK_LABEL (label));
- if (offset >= g_utf8_strlen (string, -1))
- return '\0';
- index = g_utf8_offset_to_pointer (string, offset);
-
- return g_utf8_get_char (index);
-}
-
-static GtkWidget*
-get_label_from_notebook_page (GailNotebookPage *page)
-{
- GtkWidget *child;
- GtkNotebook *notebook;
-
- notebook = page->notebook;
- if (!notebook)
- return NULL;
-
- if (!gtk_notebook_get_show_tabs (notebook))
- return NULL;
-
- child = gtk_notebook_get_nth_page (notebook, page->index);
- if (child == NULL) return NULL;
- g_return_val_if_fail (GTK_IS_WIDGET (child), NULL);
-
- child = gtk_notebook_get_tab_label (notebook, child);
-
- if (GTK_IS_LABEL (child))
- return child;
-
- if (GTK_IS_CONTAINER (child))
- child = find_label_child (GTK_CONTAINER (child));
-
- return child;
-}
-
-static GtkWidget*
-find_label_child (GtkContainer *container)
-{
- GList *children, *tmp_list;
- GtkWidget *child;
-
- children = gtk_container_get_children (container);
-
- child = NULL;
- for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
- {
- if (GTK_IS_LABEL (tmp_list->data))
- {
- child = GTK_WIDGET (tmp_list->data);
- break;
- }
- else if (GTK_IS_CONTAINER (tmp_list->data))
- {
- child = find_label_child (GTK_CONTAINER (tmp_list->data));
- if (child)
- break;
- }
- }
- g_list_free (children);
- return child;
-}
projects / ~andy / gtk / blobdiff