Move gail.h to gtkaccessibility.h, and libgail to libgtka11y.
libgtkincludedir = $(includedir)/gtk-3.0/gtk
libadd = \
$(top_builddir)/gdk/libgdk-3.la \
- $(top_builddir)/gtk/a11y/libgail.la \
+ $(top_builddir)/gtk/a11y/libgtka11y.la \
$(GMODULE_LIBS) \
$(GTK_DEP_LIBS)
deps = \
$(top_builddir)/gdk/libgdk-3.la \
- $(top_builddir)/gtk/a11y/libgail.la
+ $(top_builddir)/gtk/a11y/libgtka11y.la
# libtool stuff: set version and export symbols for resolving
# since automake doesn't support conditionalized libsomething_la_LDFLAGS
include $(top_srcdir)/Makefile.decl
-noinst_LTLIBRARIES = libgail.la
+noinst_LTLIBRARIES = libgtka11y.la
-gail_c_sources = \
- gail.c \
+gtka11y_c_sources = \
+ gtkaccessibility.c \
gtkarrowaccessible.c \
gtkbooleancellaccessible.c \
gtkbuttonaccessible.c \
gtktreeviewaccessibleprivate.h \
gtktextviewaccessibleprivate.h \
gtkwidgetaccessibleprivate.h \
- gail.h \
+ gtkaccessibility.h \
gailutil.h \
gailmisc.h
-libgail_la_SOURCES = \
- $(gail_c_sources) \
- $(gail_private_h_sources)
+libgtka11y_la_SOURCES = \
+ $(gtka11y_c_sources) \
+ $(gtka11y_private_h_sources)
-libgail_la_CPPFLAGS = \
+libgtka11y_la_CPPFLAGS = \
-I$(top_srcdir) \
-I$(top_srcdir)/gdk \
-I$(top_builddir)/gdk \
-DGTK_COMPILATION \
$(AM_CPPFLAGS)
-libgail_la_CFLAGS = \
- $(GTK_DEP_CFLAGS) \
- $(GTK_DEBUG_FLAGS) \
+libgtka11y_la_CFLAGS = \
+ $(GTK_DEP_CFLAGS) \
+ $(GTK_DEBUG_FLAGS) \
$(AM_CFLAGS)
-libgail_la_LIBADD = \
- $(GTK_DEP_LIBS) \
+libgtka11y_la_LIBADD = \
+ $(GTK_DEP_LIBS) \
$(INTLLIBS)
-libgail_la_LDFLAGS = \
+libgtka11y_la_LDFLAGS = \
$(LDFLAGS)
-
+
dist-hook: ../../build/win32/vs9/libgail.vcproj ../../build/win32/vs10/libgail.vcxproj ../../build/win32/vs10/libgail.vcxproj.filters
../../build/win32/vs9/libgail.vcproj: ../../build/win32/vs9/libgail.vcprojin
done >libgail.sourcefiles
$(CPP) -P - <$(top_srcdir)/build/win32/vs9/libgail.vcprojin >$@
rm libgail.sourcefiles
-
+
../../build/win32/vs10/libgail.vcxproj: ../../build/win32/vs10/libgail.vcxprojin
for F in $(libgail_la_SOURCES); do \
case $$F in \
+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include "gail.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <gdk/gdk.h>
-#include <gtk/gtkx.h>
-#include <gtk/gtkentry.h>
-#include <gtk/gtknotebook.h>
-#include <gtk/gtkmenuitem.h>
-#include <gtk/gtkmenu.h>
-#include <gtk/gtkmenubar.h>
-#include <gtk/gtktogglebutton.h>
-#include <gtk/gtkcombobox.h>
-#include <gtk/gtkaccessible.h>
-#include "gailutil.h"
-#include "gailmisc.h"
-
-#ifdef GDK_WINDOWING_X11
-#include <atk-bridge.h>
-#endif
-
-static gboolean gail_focus_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean gail_select_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean gail_deselect_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean gail_switch_page_watcher(GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static void gail_finish_select (GtkWidget *widget);
-static void gail_map_cb (GtkWidget *widget);
-static void gail_map_submenu_cb (GtkWidget *widget);
-static gint gail_focus_idle_handler (gpointer data);
-static void gail_focus_notify (GtkWidget *widget);
-static void gail_focus_notify_when_idle (GtkWidget *widget);
-
-static void gail_focus_tracker_init (void);
-static void gail_focus_object_destroyed (gpointer data);
-static void gail_focus_tracker (AtkObject *object);
-static void gail_set_focus_widget (GtkWidget *focus_widget,
- GtkWidget *widget);
-static void gail_set_focus_object (AtkObject *focus_obj,
- AtkObject *obj);
-
-GtkWidget* _focus_widget = NULL;
-static GtkWidget* next_focus_widget = NULL;
-static gboolean was_deselect = FALSE;
-static GtkWidget* subsequent_focus_widget = NULL;
-static GtkWidget* focus_before_menu = NULL;
-static guint focus_notify_handler = 0;
-static guint focus_tracker_id = 0;
-static GQuark quark_focus_object = 0;
-static int initialized = FALSE;
-
-static AtkObject*
-gail_get_accessible_for_widget (GtkWidget *widget,
- gboolean *transient)
-{
- AtkObject *obj = NULL;
-
- *transient = FALSE;
- if (!widget)
- return NULL;
-
- if (GTK_IS_ENTRY (widget))
- ;
- else if (GTK_IS_NOTEBOOK (widget))
- {
- GtkNotebook *notebook;
- gint page_num = -1;
-
- notebook = GTK_NOTEBOOK (widget);
- page_num = gtk_notebook_get_current_page (notebook);
- if (page_num != -1)
- {
- obj = gtk_widget_get_accessible (widget);
- obj = atk_object_ref_accessible_child (obj, page_num);
- g_object_unref (obj);
- }
- }
- else if (GTK_IS_TOGGLE_BUTTON (widget))
- {
- GtkWidget *other_widget = gtk_widget_get_parent (widget);
- if (GTK_IS_COMBO_BOX (other_widget))
- {
- gail_set_focus_widget (other_widget, widget);
- widget = other_widget;
- }
- }
- if (obj == NULL)
- {
- AtkObject *focus_object;
-
- obj = gtk_widget_get_accessible (widget);
- focus_object = g_object_get_qdata (G_OBJECT (obj), quark_focus_object);
- /*
- * We check whether the object for this focus_object has been deleted.
- * This can happen when navigating to an empty directory in nautilus.
- * See bug #141907.
- */
- if (ATK_IS_GOBJECT_ACCESSIBLE (focus_object))
- {
- if (!atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (focus_object)))
- focus_object = NULL;
- }
- if (focus_object)
- obj = focus_object;
- }
-
- return obj;
-}
-
-static gboolean
-gail_focus_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
- GdkEvent *event;
-
- object = g_value_get_object (param_values + 0);
- g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
-
- event = g_value_get_boxed (param_values + 1);
- widget = GTK_WIDGET (object);
-
- if (event->type == GDK_FOCUS_CHANGE)
- {
- if (event->focus_change.in)
- {
- if (GTK_IS_WINDOW (widget))
- {
- GtkWidget *focus_widget;
- GtkWindow *window;
- GtkWindowType type;
-
- window = GTK_WINDOW (widget);
- focus_widget = gtk_window_get_focus (window);
- g_object_get (window, "type", &type, NULL);
-
- if (focus_widget)
- {
- /*
- * If we already have a potential focus widget set this
- * windows's focus widget to focus_before_menu so that
- * it will be reported when menu item is unset.
- */
- if (next_focus_widget)
- {
- if (GTK_IS_MENU_ITEM (next_focus_widget) &&
- !focus_before_menu)
- {
- void *vp_focus_before_menu = &focus_before_menu;
- focus_before_menu = focus_widget;
- g_object_add_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
- }
-
- return TRUE;
- }
- widget = focus_widget;
- }
- else if (type == GTK_WINDOW_POPUP)
- {
- if (GTK_IS_BIN (widget))
- {
- GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
-
- if (GTK_IS_WIDGET (child) && gtk_widget_has_grab (child))
- {
- if (GTK_IS_MENU_SHELL (child))
- {
- if (gtk_menu_shell_get_selected_item (GTK_MENU_SHELL (child)))
- {
- /*
- * We have a menu which has a menu item selected
- * so we do not report focus on the menu.
- */
- return TRUE;
- }
- }
- widget = child;
- }
- }
- else /* popup window has no children; this edge case occurs in some custom code (OOo for instance) */
- {
- return TRUE;
- }
- }
- else /* Widget is a non-popup toplevel with no focus children;
- don't emit for this case either, as it's useless */
- {
- return TRUE;
- }
- }
- }
- else
- {
- if (next_focus_widget)
- {
- GtkWidget *toplevel;
-
- toplevel = gtk_widget_get_toplevel (next_focus_widget);
- if (toplevel == widget)
- next_focus_widget = NULL;
- }
- /* focus out */
- widget = NULL;
- }
- }
- else
- {
- if (event->type == GDK_MOTION_NOTIFY && gtk_widget_has_focus (widget))
- {
- if (widget == _focus_widget)
- {
- return TRUE;
- }
- }
- else
- {
- return TRUE;
- }
- }
-
-#ifdef GDK_WINDOWING_X11
- /*
- * If the focus widget is a GtkSocket without a plug
- * then ignore the focus notification as the embedded
- * plug will report a focus notification.
- */
- if (GTK_IS_SOCKET (widget) &&
- gtk_socket_get_plug_window (GTK_SOCKET (widget)) != NULL)
- return TRUE;
-#endif
-
- /*
- * The widget may not yet be visible on the screen so we wait until it is.
- */
- gail_focus_notify_when_idle (widget);
- return TRUE;
-}
-
-static gboolean
-gail_select_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
-
- object = g_value_get_object (param_values + 0);
- g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
-
- widget = GTK_WIDGET (object);
-
- if (!gtk_widget_get_mapped (widget))
- {
- g_signal_connect (widget, "map",
- G_CALLBACK (gail_map_cb),
- NULL);
- }
- else
- gail_finish_select (widget);
-
- return TRUE;
-}
-
-static void
-gail_finish_select (GtkWidget *widget)
-{
- if (GTK_IS_MENU_ITEM (widget))
- {
- GtkMenuItem* menu_item;
- GtkWidget *submenu;
-
- menu_item = GTK_MENU_ITEM (widget);
- submenu = gtk_menu_item_get_submenu (menu_item);
- if (submenu &&
- !gtk_widget_get_mapped (submenu))
- {
- /*
- * If the submenu is not visble, wait until it is before
- * reporting focus on the menu item.
- */
- gulong handler_id;
-
- handler_id = g_signal_handler_find (submenu,
- G_SIGNAL_MATCH_FUNC,
- g_signal_lookup ("map",
- GTK_TYPE_WINDOW),
- 0,
- NULL,
- (gpointer) gail_map_submenu_cb,
- NULL);
- if (!handler_id)
- g_signal_connect (submenu, "map",
- G_CALLBACK (gail_map_submenu_cb),
- NULL);
- return;
- }
- /*
- * If we are waiting to report focus on a menubar or a menu item
- * because of a previous deselect, cancel it.
- */
- if (was_deselect &&
- focus_notify_handler &&
- next_focus_widget &&
- (GTK_IS_MENU_BAR (next_focus_widget) ||
- GTK_IS_MENU_ITEM (next_focus_widget)))
- {
- void *vp_next_focus_widget = &next_focus_widget;
- g_source_remove (focus_notify_handler);
- g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- next_focus_widget = NULL;
- focus_notify_handler = 0;
- was_deselect = FALSE;
- }
- }
- /*
- * If previously focused widget is not a GtkMenuItem or a GtkMenu,
- * keep track of it so we can return to it after menubar is deactivated
- */
- if (_focus_widget &&
- !GTK_IS_MENU_ITEM (_focus_widget) &&
- !GTK_IS_MENU (_focus_widget))
- {
- void *vp_focus_before_menu = &focus_before_menu;
- focus_before_menu = _focus_widget;
- g_object_add_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
-
- }
- gail_focus_notify_when_idle (widget);
-
- return;
-}
-
-static void
-gail_map_cb (GtkWidget *widget)
-{
- gail_finish_select (widget);
-}
-
-static void
-gail_map_submenu_cb (GtkWidget *widget)
-{
- if (GTK_IS_MENU (widget))
- {
- GtkWidget *parent_menu_item;
-
- parent_menu_item = gtk_menu_get_attach_widget (GTK_MENU (widget));
- if (parent_menu_item)
- gail_finish_select (parent_menu_item);
- }
-}
-
-
-static gboolean
-gail_deselect_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
- GtkWidget *menu_shell;
-
- object = g_value_get_object (param_values + 0);
- g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
-
- widget = GTK_WIDGET (object);
-
- if (!GTK_IS_MENU_ITEM (widget))
- return TRUE;
-
- if (subsequent_focus_widget == widget)
- subsequent_focus_widget = NULL;
-
- menu_shell = gtk_widget_get_parent (widget);
- if (GTK_IS_MENU_SHELL (menu_shell))
- {
- GtkWidget *parent_menu_shell;
-
- parent_menu_shell = gtk_menu_shell_get_parent_shell (GTK_MENU_SHELL (menu_shell));
- if (parent_menu_shell)
- {
- GtkWidget *active_menu_item;
-
- active_menu_item = gtk_menu_shell_get_selected_item (GTK_MENU_SHELL (parent_menu_shell));
- if (active_menu_item)
- {
- gail_focus_notify_when_idle (active_menu_item);
- }
- }
- else
- {
- if (!GTK_IS_MENU_BAR (menu_shell))
- {
- gail_focus_notify_when_idle (menu_shell);
- }
- }
- }
- was_deselect = TRUE;
- return TRUE;
-}
-
-static gboolean
-gail_switch_page_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
-
- object = g_value_get_object (param_values + 0);
- g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
-
- widget = GTK_WIDGET (object);
-
- if (!GTK_IS_NOTEBOOK (widget))
- return TRUE;
-
- if (gtk_notebook_get_current_page (GTK_NOTEBOOK (widget)) == -1)
- return TRUE;
-
- gail_focus_notify_when_idle (widget);
- return TRUE;
-}
-
-static gboolean
-gail_focus_idle_handler (gpointer data)
-{
- focus_notify_handler = 0;
- /*
- * The widget which was to receive focus may have been removed
- */
- if (!next_focus_widget)
- {
- if (next_focus_widget != data)
- return FALSE;
- }
- else
- {
- void *vp_next_focus_widget = &next_focus_widget;
- g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- next_focus_widget = NULL;
- }
-
- gail_focus_notify (data);
-
- return FALSE;
-}
-
-static void
-gail_focus_notify (GtkWidget *widget)
-{
- AtkObject *atk_obj;
- gboolean transient;
-
- if (widget != _focus_widget)
- {
- if (_focus_widget)
- {
- void *vp_focus_widget = &_focus_widget;
- g_object_remove_weak_pointer (G_OBJECT (_focus_widget), vp_focus_widget);
- }
- _focus_widget = widget;
- if (_focus_widget)
- {
- void *vp_focus_widget = &_focus_widget;
- g_object_add_weak_pointer (G_OBJECT (_focus_widget), vp_focus_widget);
- /*
- * The UI may not have been updated yet; e.g. in gtkhtml2
- * html_view_layout() is called in a idle handler
- */
- if (_focus_widget == focus_before_menu)
- {
- void *vp_focus_before_menu = &focus_before_menu;
- g_object_remove_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
- focus_before_menu = NULL;
- }
- }
- gail_focus_notify_when_idle (_focus_widget);
- }
- else
- {
- if (_focus_widget)
- atk_obj = gail_get_accessible_for_widget (_focus_widget, &transient);
- else
- atk_obj = NULL;
- /*
- * Do not report focus on redundant object
- */
- if (atk_obj &&
- (atk_object_get_role(atk_obj) != ATK_ROLE_REDUNDANT_OBJECT))
- atk_focus_tracker_notify (atk_obj);
- if (atk_obj && transient)
- g_object_unref (atk_obj);
- if (subsequent_focus_widget)
- {
- GtkWidget *tmp_widget = subsequent_focus_widget;
- subsequent_focus_widget = NULL;
- gail_focus_notify_when_idle (tmp_widget);
- }
- }
-}
-
-static void
-gail_focus_notify_when_idle (GtkWidget *widget)
-{
- if (focus_notify_handler)
- {
- if (widget)
- {
- /*
- * Ignore focus request when menu item is going to be focused.
- * See bug #124232.
- */
- if (GTK_IS_MENU_ITEM (next_focus_widget) && !GTK_IS_MENU_ITEM (widget))
- return;
-
- if (next_focus_widget)
- {
- if (GTK_IS_MENU_ITEM (next_focus_widget) && GTK_IS_MENU_ITEM (widget))
- {
- if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (next_focus_widget)) == gtk_widget_get_parent (widget))
- {
- if (subsequent_focus_widget)
- g_assert_not_reached ();
- subsequent_focus_widget = widget;
- return;
- }
- }
- }
- g_source_remove (focus_notify_handler);
- if (next_focus_widget)
- {
- void *vp_next_focus_widget = &next_focus_widget;
- g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- next_focus_widget = NULL;
- }
- }
- else
- /*
- * Ignore if focus is being set to NULL and we are waiting to set focus
- */
- return;
- }
-
- if (widget)
- {
- void *vp_next_focus_widget = &next_focus_widget;
- next_focus_widget = widget;
- g_object_add_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- }
- else
- {
- /*
- * We are about to report focus as NULL so remove the weak pointer
- * for the widget we were waiting to report focus on.
- */
- if (next_focus_widget)
- {
- void *vp_next_focus_widget = &next_focus_widget;
- g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- next_focus_widget = NULL;
- }
- }
-
- focus_notify_handler = gdk_threads_add_idle (gail_focus_idle_handler, widget);
-}
-
-static gboolean
-gail_deactivate_watcher (GSignalInvocationHint *ihint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
- GtkMenuShell *shell;
- GtkWidget *focus = NULL;
-
- object = g_value_get_object (param_values + 0);
- g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
- widget = GTK_WIDGET (object);
-
- g_return_val_if_fail (GTK_IS_MENU_SHELL(widget), TRUE);
- shell = GTK_MENU_SHELL(widget);
- if (! gtk_menu_shell_get_parent_shell (shell))
- focus = focus_before_menu;
-
- /*
- * If we are waiting to report focus on a menubar or a menu item
- * because of a previous deselect, cancel it.
- */
- if (was_deselect &&
- focus_notify_handler &&
- next_focus_widget &&
- (GTK_IS_MENU_BAR (next_focus_widget) ||
- GTK_IS_MENU_ITEM (next_focus_widget)))
- {
- void *vp_next_focus_widget = &next_focus_widget;
- g_source_remove (focus_notify_handler);
- g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
- next_focus_widget = NULL;
- focus_notify_handler = 0;
- was_deselect = FALSE;
- }
- gail_focus_notify_when_idle (focus);
-
- return TRUE;
-}
-
-static void
-gail_focus_tracker_init (void)
-{
- static gboolean emission_hooks_added = FALSE;
-
- if (!emission_hooks_added)
- {
- /*
- * We cannot be sure that the classes exist so we make sure that they do.
- */
- g_type_class_ref (GTK_TYPE_WIDGET);
- g_type_class_ref (GTK_TYPE_MENU_ITEM);
- g_type_class_ref (GTK_TYPE_MENU_SHELL);
- g_type_class_ref (GTK_TYPE_NOTEBOOK);
-
- /*
- * We listen for event_after signal and then check that the
- * event was a focus in event so we get called after the event.
- */
- g_signal_add_emission_hook (
- g_signal_lookup ("event-after", GTK_TYPE_WIDGET), 0,
- gail_focus_watcher, NULL, (GDestroyNotify) NULL);
- /*
- * A "select" signal is emitted when arrow key is used to
- * move to a list item in the popup window of a GtkCombo or
- * a menu item in a menu.
- */
- g_signal_add_emission_hook (
- g_signal_lookup ("select", GTK_TYPE_MENU_ITEM), 0,
- gail_select_watcher, NULL, (GDestroyNotify) NULL);
-
- /*
- * A "deselect" signal is emitted when arrow key is used to
- * move from a menu item in a menu to the parent menu.
- */
- g_signal_add_emission_hook (
- g_signal_lookup ("deselect", GTK_TYPE_MENU_ITEM), 0,
- gail_deselect_watcher, NULL, (GDestroyNotify) NULL);
-
- /*
- * We listen for deactivate signals on menushells to determine
- * when the "focus" has left the menus.
- */
- g_signal_add_emission_hook (
- g_signal_lookup ("deactivate", GTK_TYPE_MENU_SHELL), 0,
- gail_deactivate_watcher, NULL, (GDestroyNotify) NULL);
-
- /*
- * We listen for "switch-page" signal on a GtkNotebook to notify
- * when page has changed because of clicking on a notebook tab.
- */
- g_signal_add_emission_hook (
- g_signal_lookup ("switch-page", GTK_TYPE_NOTEBOOK), 0,
- gail_switch_page_watcher, NULL, (GDestroyNotify) NULL);
- emission_hooks_added = TRUE;
- }
-}
-
-static void
-gail_focus_object_destroyed (gpointer data)
-{
- GObject *obj;
-
- obj = G_OBJECT (data);
- g_object_set_qdata (obj, quark_focus_object, NULL);
- g_object_unref (obj);
-}
-
-static void
-gail_focus_tracker (AtkObject *focus_object)
-{
- /*
- * Do not report focus on redundant object
- */
- if (focus_object &&
- (atk_object_get_role(focus_object) != ATK_ROLE_REDUNDANT_OBJECT))
- {
- AtkObject *old_focus_object;
-
- if (!GTK_IS_ACCESSIBLE (focus_object))
- {
- AtkObject *parent;
-
- parent = focus_object;
- while (1)
- {
- parent = atk_object_get_parent (parent);
- if (parent == NULL)
- break;
- if (GTK_IS_ACCESSIBLE (parent))
- break;
- }
-
- if (parent)
- {
- gail_set_focus_object (focus_object, parent);
- }
- }
- else
- {
- old_focus_object = g_object_get_qdata (G_OBJECT (focus_object), quark_focus_object);
- if (old_focus_object)
- {
- g_object_weak_unref (G_OBJECT (old_focus_object),
- (GWeakNotify) gail_focus_object_destroyed,
- focus_object);
- g_object_set_qdata (G_OBJECT (focus_object), quark_focus_object, NULL);
- g_object_unref (G_OBJECT (focus_object));
- }
- }
- }
-}
-
-static void
-gail_set_focus_widget (GtkWidget *focus_widget,
- GtkWidget *widget)
-{
- AtkObject *focus_obj;
- AtkObject *obj;
-
- focus_obj = gtk_widget_get_accessible (focus_widget);
- obj = gtk_widget_get_accessible (widget);
- gail_set_focus_object (focus_obj, obj);
-}
-
-static void
-gail_set_focus_object (AtkObject *focus_obj,
- AtkObject *obj)
-{
- AtkObject *old_focus_obj;
-
- old_focus_obj = g_object_get_qdata (G_OBJECT (obj), quark_focus_object);
- if (old_focus_obj != obj)
- {
- if (old_focus_obj)
- g_object_weak_unref (G_OBJECT (old_focus_obj),
- (GWeakNotify) gail_focus_object_destroyed,
- obj);
- else
- /*
- * We call g_object_ref as if obj is destroyed
- * while the weak reference exists then destroying the
- * focus_obj would cause gail_focus_object_destroyed to be
- * called when obj is not a valid GObject.
- */
- g_object_ref (obj);
-
- g_object_weak_ref (G_OBJECT (focus_obj),
- (GWeakNotify) gail_focus_object_destroyed,
- obj);
- g_object_set_qdata (G_OBJECT (obj), quark_focus_object, focus_obj);
- }
-}
-
-void
-_gtk_accessibility_shutdown (void)
-{
- if (!initialized)
- return;
-
- initialized = FALSE;
-
- g_clear_object (&atk_misc_instance);
-
-#ifdef GDK_WINDOWING_X11
- atk_bridge_adaptor_cleanup ();
-#endif
- _gail_util_uninstall ();
-}
-
-void
-_gtk_accessibility_init (void)
-{
-
- if (initialized)
- return;
-
- initialized = TRUE;
- quark_focus_object = g_quark_from_static_string ("gail-focus-object");
-
- atk_focus_tracker_init (gail_focus_tracker_init);
- focus_tracker_id = atk_add_focus_tracker (gail_focus_tracker);
-
- _gail_util_install ();
-#ifdef GDK_WINDOWING_X11
- atk_bridge_adaptor_init (NULL, NULL);
-#endif
-
- atk_misc_instance = g_object_new (GAIL_TYPE_MISC, NULL);
-}
+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001 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, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __GTK_GAIL_H__
-#define __GTK_GAIL_H__
-
-#include <glib.h>
-
-G_BEGIN_DECLS
-
-void _gtk_accessibility_shutdown (void);
-void _gtk_accessibility_init (void);
-
-G_END_DECLS
-
-#endif /* __GTK_GAIL_H__ */
--- /dev/null
+/* GTK+ - accessibility implementations
+ * Copyright 2001 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gtkaccessibility.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <gdk/gdk.h>
+#include <gtk/gtkx.h>
+#include <gtk/gtkentry.h>
+#include <gtk/gtknotebook.h>
+#include <gtk/gtkmenuitem.h>
+#include <gtk/gtkmenu.h>
+#include <gtk/gtkmenubar.h>
+#include <gtk/gtktogglebutton.h>
+#include <gtk/gtkcombobox.h>
+#include <gtk/gtkaccessible.h>
+#include "gailutil.h"
+#include "gailmisc.h"
+
+#ifdef GDK_WINDOWING_X11
+#include <atk-bridge.h>
+#endif
+
+static gboolean gail_focus_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean gail_select_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean gail_deselect_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean gail_switch_page_watcher(GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static void gail_finish_select (GtkWidget *widget);
+static void gail_map_cb (GtkWidget *widget);
+static void gail_map_submenu_cb (GtkWidget *widget);
+static gint gail_focus_idle_handler (gpointer data);
+static void gail_focus_notify (GtkWidget *widget);
+static void gail_focus_notify_when_idle (GtkWidget *widget);
+
+static void gail_focus_tracker_init (void);
+static void gail_focus_object_destroyed (gpointer data);
+static void gail_focus_tracker (AtkObject *object);
+static void gail_set_focus_widget (GtkWidget *focus_widget,
+ GtkWidget *widget);
+static void gail_set_focus_object (AtkObject *focus_obj,
+ AtkObject *obj);
+
+GtkWidget* _focus_widget = NULL;
+static GtkWidget* next_focus_widget = NULL;
+static gboolean was_deselect = FALSE;
+static GtkWidget* subsequent_focus_widget = NULL;
+static GtkWidget* focus_before_menu = NULL;
+static guint focus_notify_handler = 0;
+static guint focus_tracker_id = 0;
+static GQuark quark_focus_object = 0;
+static int initialized = FALSE;
+
+static AtkObject*
+get_accessible_for_widget (GtkWidget *widget,
+ gboolean *transient)
+{
+ AtkObject *obj = NULL;
+
+ *transient = FALSE;
+ if (!widget)
+ return NULL;
+
+ if (GTK_IS_ENTRY (widget))
+ ;
+ else if (GTK_IS_NOTEBOOK (widget))
+ {
+ GtkNotebook *notebook;
+ gint page_num = -1;
+
+ notebook = GTK_NOTEBOOK (widget);
+ page_num = gtk_notebook_get_current_page (notebook);
+ if (page_num != -1)
+ {
+ obj = gtk_widget_get_accessible (widget);
+ obj = atk_object_ref_accessible_child (obj, page_num);
+ g_object_unref (obj);
+ }
+ }
+ else if (GTK_IS_TOGGLE_BUTTON (widget))
+ {
+ GtkWidget *other_widget = gtk_widget_get_parent (widget);
+ if (GTK_IS_COMBO_BOX (other_widget))
+ {
+ gail_set_focus_widget (other_widget, widget);
+ widget = other_widget;
+ }
+ }
+ if (obj == NULL)
+ {
+ AtkObject *focus_object;
+
+ obj = gtk_widget_get_accessible (widget);
+ focus_object = g_object_get_qdata (G_OBJECT (obj), quark_focus_object);
+ /*
+ * We check whether the object for this focus_object has been deleted.
+ * This can happen when navigating to an empty directory in nautilus.
+ * See bug #141907.
+ */
+ if (ATK_IS_GOBJECT_ACCESSIBLE (focus_object))
+ {
+ if (!atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (focus_object)))
+ focus_object = NULL;
+ }
+ if (focus_object)
+ obj = focus_object;
+ }
+
+ return obj;
+}
+
+static gboolean
+gail_focus_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ GtkWidget *widget;
+ GdkEvent *event;
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
+
+ event = g_value_get_boxed (param_values + 1);
+ widget = GTK_WIDGET (object);
+
+ if (event->type == GDK_FOCUS_CHANGE)
+ {
+ if (event->focus_change.in)
+ {
+ if (GTK_IS_WINDOW (widget))
+ {
+ GtkWidget *focus_widget;
+ GtkWindow *window;
+ GtkWindowType type;
+
+ window = GTK_WINDOW (widget);
+ focus_widget = gtk_window_get_focus (window);
+ g_object_get (window, "type", &type, NULL);
+
+ if (focus_widget)
+ {
+ /*
+ * If we already have a potential focus widget set this
+ * windows's focus widget to focus_before_menu so that
+ * it will be reported when menu item is unset.
+ */
+ if (next_focus_widget)
+ {
+ if (GTK_IS_MENU_ITEM (next_focus_widget) &&
+ !focus_before_menu)
+ {
+ void *vp_focus_before_menu = &focus_before_menu;
+ focus_before_menu = focus_widget;
+ g_object_add_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
+ }
+
+ return TRUE;
+ }
+ widget = focus_widget;
+ }
+ else if (type == GTK_WINDOW_POPUP)
+ {
+ if (GTK_IS_BIN (widget))
+ {
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+
+ if (GTK_IS_WIDGET (child) && gtk_widget_has_grab (child))
+ {
+ if (GTK_IS_MENU_SHELL (child))
+ {
+ if (gtk_menu_shell_get_selected_item (GTK_MENU_SHELL (child)))
+ {
+ /*
+ * We have a menu which has a menu item selected
+ * so we do not report focus on the menu.
+ */
+ return TRUE;
+ }
+ }
+ widget = child;
+ }
+ }
+ else /* popup window has no children; this edge case occurs in some custom code (OOo for instance) */
+ {
+ return TRUE;
+ }
+ }
+ else /* Widget is a non-popup toplevel with no focus children;
+ don't emit for this case either, as it's useless */
+ {
+ return TRUE;
+ }
+ }
+ }
+ else
+ {
+ if (next_focus_widget)
+ {
+ GtkWidget *toplevel;
+
+ toplevel = gtk_widget_get_toplevel (next_focus_widget);
+ if (toplevel == widget)
+ next_focus_widget = NULL;
+ }
+ /* focus out */
+ widget = NULL;
+ }
+ }
+ else
+ {
+ if (event->type == GDK_MOTION_NOTIFY && gtk_widget_has_focus (widget))
+ {
+ if (widget == _focus_widget)
+ {
+ return TRUE;
+ }
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+#ifdef GDK_WINDOWING_X11
+ /*
+ * If the focus widget is a GtkSocket without a plug
+ * then ignore the focus notification as the embedded
+ * plug will report a focus notification.
+ */
+ if (GTK_IS_SOCKET (widget) &&
+ gtk_socket_get_plug_window (GTK_SOCKET (widget)) != NULL)
+ return TRUE;
+#endif
+
+ /*
+ * The widget may not yet be visible on the screen so we wait until it is.
+ */
+ gail_focus_notify_when_idle (widget);
+ return TRUE;
+}
+
+static gboolean
+gail_select_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ GtkWidget *widget;
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
+
+ widget = GTK_WIDGET (object);
+
+ if (!gtk_widget_get_mapped (widget))
+ {
+ g_signal_connect (widget, "map",
+ G_CALLBACK (gail_map_cb),
+ NULL);
+ }
+ else
+ gail_finish_select (widget);
+
+ return TRUE;
+}
+
+static void
+gail_finish_select (GtkWidget *widget)
+{
+ if (GTK_IS_MENU_ITEM (widget))
+ {
+ GtkMenuItem* menu_item;
+ GtkWidget *submenu;
+
+ menu_item = GTK_MENU_ITEM (widget);
+ submenu = gtk_menu_item_get_submenu (menu_item);
+ if (submenu &&
+ !gtk_widget_get_mapped (submenu))
+ {
+ /*
+ * If the submenu is not visble, wait until it is before
+ * reporting focus on the menu item.
+ */
+ gulong handler_id;
+
+ handler_id = g_signal_handler_find (submenu,
+ G_SIGNAL_MATCH_FUNC,
+ g_signal_lookup ("map",
+ GTK_TYPE_WINDOW),
+ 0,
+ NULL,
+ (gpointer) gail_map_submenu_cb,
+ NULL);
+ if (!handler_id)
+ g_signal_connect (submenu, "map",
+ G_CALLBACK (gail_map_submenu_cb),
+ NULL);
+ return;
+ }
+ /*
+ * If we are waiting to report focus on a menubar or a menu item
+ * because of a previous deselect, cancel it.
+ */
+ if (was_deselect &&
+ focus_notify_handler &&
+ next_focus_widget &&
+ (GTK_IS_MENU_BAR (next_focus_widget) ||
+ GTK_IS_MENU_ITEM (next_focus_widget)))
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ g_source_remove (focus_notify_handler);
+ g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ next_focus_widget = NULL;
+ focus_notify_handler = 0;
+ was_deselect = FALSE;
+ }
+ }
+ /*
+ * If previously focused widget is not a GtkMenuItem or a GtkMenu,
+ * keep track of it so we can return to it after menubar is deactivated
+ */
+ if (_focus_widget &&
+ !GTK_IS_MENU_ITEM (_focus_widget) &&
+ !GTK_IS_MENU (_focus_widget))
+ {
+ void *vp_focus_before_menu = &focus_before_menu;
+ focus_before_menu = _focus_widget;
+ g_object_add_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
+
+ }
+ gail_focus_notify_when_idle (widget);
+
+ return;
+}
+
+static void
+gail_map_cb (GtkWidget *widget)
+{
+ gail_finish_select (widget);
+}
+
+static void
+gail_map_submenu_cb (GtkWidget *widget)
+{
+ if (GTK_IS_MENU (widget))
+ {
+ GtkWidget *parent_menu_item;
+
+ parent_menu_item = gtk_menu_get_attach_widget (GTK_MENU (widget));
+ if (parent_menu_item)
+ gail_finish_select (parent_menu_item);
+ }
+}
+
+
+static gboolean
+gail_deselect_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ GtkWidget *widget;
+ GtkWidget *menu_shell;
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
+
+ widget = GTK_WIDGET (object);
+
+ if (!GTK_IS_MENU_ITEM (widget))
+ return TRUE;
+
+ if (subsequent_focus_widget == widget)
+ subsequent_focus_widget = NULL;
+
+ menu_shell = gtk_widget_get_parent (widget);
+ if (GTK_IS_MENU_SHELL (menu_shell))
+ {
+ GtkWidget *parent_menu_shell;
+
+ parent_menu_shell = gtk_menu_shell_get_parent_shell (GTK_MENU_SHELL (menu_shell));
+ if (parent_menu_shell)
+ {
+ GtkWidget *active_menu_item;
+
+ active_menu_item = gtk_menu_shell_get_selected_item (GTK_MENU_SHELL (parent_menu_shell));
+ if (active_menu_item)
+ {
+ gail_focus_notify_when_idle (active_menu_item);
+ }
+ }
+ else
+ {
+ if (!GTK_IS_MENU_BAR (menu_shell))
+ {
+ gail_focus_notify_when_idle (menu_shell);
+ }
+ }
+ }
+ was_deselect = TRUE;
+ return TRUE;
+}
+
+static gboolean
+gail_switch_page_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ GtkWidget *widget;
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
+
+ widget = GTK_WIDGET (object);
+
+ if (!GTK_IS_NOTEBOOK (widget))
+ return TRUE;
+
+ if (gtk_notebook_get_current_page (GTK_NOTEBOOK (widget)) == -1)
+ return TRUE;
+
+ gail_focus_notify_when_idle (widget);
+ return TRUE;
+}
+
+static gboolean
+gail_focus_idle_handler (gpointer data)
+{
+ focus_notify_handler = 0;
+ /*
+ * The widget which was to receive focus may have been removed
+ */
+ if (!next_focus_widget)
+ {
+ if (next_focus_widget != data)
+ return FALSE;
+ }
+ else
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ next_focus_widget = NULL;
+ }
+
+ gail_focus_notify (data);
+
+ return FALSE;
+}
+
+static void
+gail_focus_notify (GtkWidget *widget)
+{
+ AtkObject *atk_obj;
+ gboolean transient;
+
+ if (widget != _focus_widget)
+ {
+ if (_focus_widget)
+ {
+ void *vp_focus_widget = &_focus_widget;
+ g_object_remove_weak_pointer (G_OBJECT (_focus_widget), vp_focus_widget);
+ }
+ _focus_widget = widget;
+ if (_focus_widget)
+ {
+ void *vp_focus_widget = &_focus_widget;
+ g_object_add_weak_pointer (G_OBJECT (_focus_widget), vp_focus_widget);
+ /*
+ * The UI may not have been updated yet; e.g. in gtkhtml2
+ * html_view_layout() is called in a idle handler
+ */
+ if (_focus_widget == focus_before_menu)
+ {
+ void *vp_focus_before_menu = &focus_before_menu;
+ g_object_remove_weak_pointer (G_OBJECT (focus_before_menu), vp_focus_before_menu);
+ focus_before_menu = NULL;
+ }
+ }
+ gail_focus_notify_when_idle (_focus_widget);
+ }
+ else
+ {
+ if (_focus_widget)
+ atk_obj = get_accessible_for_widget (_focus_widget, &transient);
+ else
+ atk_obj = NULL;
+ /*
+ * Do not report focus on redundant object
+ */
+ if (atk_obj &&
+ (atk_object_get_role(atk_obj) != ATK_ROLE_REDUNDANT_OBJECT))
+ atk_focus_tracker_notify (atk_obj);
+ if (atk_obj && transient)
+ g_object_unref (atk_obj);
+ if (subsequent_focus_widget)
+ {
+ GtkWidget *tmp_widget = subsequent_focus_widget;
+ subsequent_focus_widget = NULL;
+ gail_focus_notify_when_idle (tmp_widget);
+ }
+ }
+}
+
+static void
+gail_focus_notify_when_idle (GtkWidget *widget)
+{
+ if (focus_notify_handler)
+ {
+ if (widget)
+ {
+ /*
+ * Ignore focus request when menu item is going to be focused.
+ * See bug #124232.
+ */
+ if (GTK_IS_MENU_ITEM (next_focus_widget) && !GTK_IS_MENU_ITEM (widget))
+ return;
+
+ if (next_focus_widget)
+ {
+ if (GTK_IS_MENU_ITEM (next_focus_widget) && GTK_IS_MENU_ITEM (widget))
+ {
+ if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (next_focus_widget)) == gtk_widget_get_parent (widget))
+ {
+ if (subsequent_focus_widget)
+ g_assert_not_reached ();
+ subsequent_focus_widget = widget;
+ return;
+ }
+ }
+ }
+ g_source_remove (focus_notify_handler);
+ if (next_focus_widget)
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ next_focus_widget = NULL;
+ }
+ }
+ else
+ /*
+ * Ignore if focus is being set to NULL and we are waiting to set focus
+ */
+ return;
+ }
+
+ if (widget)
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ next_focus_widget = widget;
+ g_object_add_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ }
+ else
+ {
+ /*
+ * We are about to report focus as NULL so remove the weak pointer
+ * for the widget we were waiting to report focus on.
+ */
+ if (next_focus_widget)
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ next_focus_widget = NULL;
+ }
+ }
+
+ focus_notify_handler = gdk_threads_add_idle (gail_focus_idle_handler, widget);
+}
+
+static gboolean
+gail_deactivate_watcher (GSignalInvocationHint *ihint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ GtkWidget *widget;
+ GtkMenuShell *shell;
+ GtkWidget *focus = NULL;
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
+ widget = GTK_WIDGET (object);
+
+ g_return_val_if_fail (GTK_IS_MENU_SHELL(widget), TRUE);
+ shell = GTK_MENU_SHELL(widget);
+ if (! gtk_menu_shell_get_parent_shell (shell))
+ focus = focus_before_menu;
+
+ /*
+ * If we are waiting to report focus on a menubar or a menu item
+ * because of a previous deselect, cancel it.
+ */
+ if (was_deselect &&
+ focus_notify_handler &&
+ next_focus_widget &&
+ (GTK_IS_MENU_BAR (next_focus_widget) ||
+ GTK_IS_MENU_ITEM (next_focus_widget)))
+ {
+ void *vp_next_focus_widget = &next_focus_widget;
+ g_source_remove (focus_notify_handler);
+ g_object_remove_weak_pointer (G_OBJECT (next_focus_widget), vp_next_focus_widget);
+ next_focus_widget = NULL;
+ focus_notify_handler = 0;
+ was_deselect = FALSE;
+ }
+ gail_focus_notify_when_idle (focus);
+
+ return TRUE;
+}
+
+static void
+gail_focus_tracker_init (void)
+{
+ static gboolean emission_hooks_added = FALSE;
+
+ if (!emission_hooks_added)
+ {
+ /*
+ * We cannot be sure that the classes exist so we make sure that they do.
+ */
+ g_type_class_ref (GTK_TYPE_WIDGET);
+ g_type_class_ref (GTK_TYPE_MENU_ITEM);
+ g_type_class_ref (GTK_TYPE_MENU_SHELL);
+ g_type_class_ref (GTK_TYPE_NOTEBOOK);
+
+ /*
+ * We listen for event_after signal and then check that the
+ * event was a focus in event so we get called after the event.
+ */
+ g_signal_add_emission_hook (
+ g_signal_lookup ("event-after", GTK_TYPE_WIDGET), 0,
+ gail_focus_watcher, NULL, (GDestroyNotify) NULL);
+ /*
+ * A "select" signal is emitted when arrow key is used to
+ * move to a list item in the popup window of a GtkCombo or
+ * a menu item in a menu.
+ */
+ g_signal_add_emission_hook (
+ g_signal_lookup ("select", GTK_TYPE_MENU_ITEM), 0,
+ gail_select_watcher, NULL, (GDestroyNotify) NULL);
+
+ /*
+ * A "deselect" signal is emitted when arrow key is used to
+ * move from a menu item in a menu to the parent menu.
+ */
+ g_signal_add_emission_hook (
+ g_signal_lookup ("deselect", GTK_TYPE_MENU_ITEM), 0,
+ gail_deselect_watcher, NULL, (GDestroyNotify) NULL);
+
+ /*
+ * We listen for deactivate signals on menushells to determine
+ * when the "focus" has left the menus.
+ */
+ g_signal_add_emission_hook (
+ g_signal_lookup ("deactivate", GTK_TYPE_MENU_SHELL), 0,
+ gail_deactivate_watcher, NULL, (GDestroyNotify) NULL);
+
+ /*
+ * We listen for "switch-page" signal on a GtkNotebook to notify
+ * when page has changed because of clicking on a notebook tab.
+ */
+ g_signal_add_emission_hook (
+ g_signal_lookup ("switch-page", GTK_TYPE_NOTEBOOK), 0,
+ gail_switch_page_watcher, NULL, (GDestroyNotify) NULL);
+ emission_hooks_added = TRUE;
+ }
+}
+
+static void
+gail_focus_object_destroyed (gpointer data)
+{
+ GObject *obj;
+
+ obj = G_OBJECT (data);
+ g_object_set_qdata (obj, quark_focus_object, NULL);
+ g_object_unref (obj);
+}
+
+static void
+gail_focus_tracker (AtkObject *focus_object)
+{
+ /*
+ * Do not report focus on redundant object
+ */
+ if (focus_object &&
+ (atk_object_get_role(focus_object) != ATK_ROLE_REDUNDANT_OBJECT))
+ {
+ AtkObject *old_focus_object;
+
+ if (!GTK_IS_ACCESSIBLE (focus_object))
+ {
+ AtkObject *parent;
+
+ parent = focus_object;
+ while (1)
+ {
+ parent = atk_object_get_parent (parent);
+ if (parent == NULL)
+ break;
+ if (GTK_IS_ACCESSIBLE (parent))
+ break;
+ }
+
+ if (parent)
+ {
+ gail_set_focus_object (focus_object, parent);
+ }
+ }
+ else
+ {
+ old_focus_object = g_object_get_qdata (G_OBJECT (focus_object), quark_focus_object);
+ if (old_focus_object)
+ {
+ g_object_weak_unref (G_OBJECT (old_focus_object),
+ (GWeakNotify) gail_focus_object_destroyed,
+ focus_object);
+ g_object_set_qdata (G_OBJECT (focus_object), quark_focus_object, NULL);
+ g_object_unref (G_OBJECT (focus_object));
+ }
+ }
+ }
+}
+
+static void
+gail_set_focus_widget (GtkWidget *focus_widget,
+ GtkWidget *widget)
+{
+ AtkObject *focus_obj;
+ AtkObject *obj;
+
+ focus_obj = gtk_widget_get_accessible (focus_widget);
+ obj = gtk_widget_get_accessible (widget);
+ gail_set_focus_object (focus_obj, obj);
+}
+
+static void
+gail_set_focus_object (AtkObject *focus_obj,
+ AtkObject *obj)
+{
+ AtkObject *old_focus_obj;
+
+ old_focus_obj = g_object_get_qdata (G_OBJECT (obj), quark_focus_object);
+ if (old_focus_obj != obj)
+ {
+ if (old_focus_obj)
+ g_object_weak_unref (G_OBJECT (old_focus_obj),
+ (GWeakNotify) gail_focus_object_destroyed,
+ obj);
+ else
+ /*
+ * We call g_object_ref as if obj is destroyed
+ * while the weak reference exists then destroying the
+ * focus_obj would cause gail_focus_object_destroyed to be
+ * called when obj is not a valid GObject.
+ */
+ g_object_ref (obj);
+
+ g_object_weak_ref (G_OBJECT (focus_obj),
+ (GWeakNotify) gail_focus_object_destroyed,
+ obj);
+ g_object_set_qdata (G_OBJECT (obj), quark_focus_object, focus_obj);
+ }
+}
+
+void
+_gtk_accessibility_shutdown (void)
+{
+ if (!initialized)
+ return;
+
+ initialized = FALSE;
+
+ g_clear_object (&atk_misc_instance);
+
+#ifdef GDK_WINDOWING_X11
+ atk_bridge_adaptor_cleanup ();
+#endif
+ _gail_util_uninstall ();
+}
+
+void
+_gtk_accessibility_init (void)
+{
+ if (initialized)
+ return;
+
+ initialized = TRUE;
+ quark_focus_object = g_quark_from_static_string ("gail-focus-object");
+
+ atk_focus_tracker_init (gail_focus_tracker_init);
+ focus_tracker_id = atk_add_focus_tracker (gail_focus_tracker);
+
+ _gail_util_install ();
+#ifdef GDK_WINDOWING_X11
+ atk_bridge_adaptor_init (NULL, NULL);
+#endif
+
+ atk_misc_instance = g_object_new (GAIL_TYPE_MISC, NULL);
+}
--- /dev/null
+/* GTK+ - accessibility implementations
+ * Copyright 2001 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_ACCESSIBILITY_H__
+#define __GTK_ACCESSIBILITY_H__
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+void _gtk_accessibility_shutdown (void);
+void _gtk_accessibility_init (void);
+
+G_END_DECLS
+
+#endif /* __GTK_ACCESSIBILITY_H__ */
#include "gtkwidgetprivate.h"
#include "gtkwindowprivate.h"
-#include "a11y/gail.h"
+#include "a11y/gtkaccessibility.h"
#include "a11y/gailutil.h"
/* Private type definitions
projects / gtk4.git / commitdiff