#include "gtkaccessibility.h"
#include "gtkaccessibilityutil.h"
-#include "gtkwindowaccessible.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <gdk/gdk.h>
-#include <gtk/gtkcombobox.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/gtkaccessible.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;
- GdkEventType event_type;
- gboolean focus_in;
-
- 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);
- event_type = gdk_event_get_event_type (event);
- gdk_event_get_focus_in (event, &focus_in);
-
- if (event_type == GDK_FOCUS_CHANGE)
- {
- if (focus_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;
- }
- }
-
- /*
- * 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
- */
- G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
- if (atk_obj &&
- (atk_object_get_role(atk_obj) != ATK_ROLE_REDUNDANT_OBJECT))
- atk_focus_tracker_notify (atk_obj);
- G_GNUC_END_IGNORE_DEPRECATIONS;
- 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);
- g_source_set_name_by_id (focus_notify_handler, "[gtk+] gail_focus_idle_handler");
-}
-
-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);
- }
-}
-
-static gboolean
-state_event_watcher (GSignalInvocationHint *hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GObject *object;
- GtkWidget *widget;
- AtkObject *atk_obj;
- AtkObject *parent;
- GdkEvent *event;
- const char *signal_name;
- GdkWindowState changed, new_state;
-
- object = g_value_get_object (param_values + 0);
- if (!GTK_IS_WINDOW (object))
- return FALSE;
-
- event = g_value_get_boxed (param_values + 1);
- if (gdk_event_get_event_type ((GdkEvent *) event) == GDK_WINDOW_STATE)
- return FALSE;
- widget = GTK_WIDGET (object);
-
- gdk_event_get_window_state (event, &changed, &new_state);
-
- if (new_state & GDK_WINDOW_STATE_MAXIMIZED)
- signal_name = "maximize";
- else if (new_state & GDK_WINDOW_STATE_ICONIFIED)
- signal_name = "minimize";
- else if (new_state == 0)
- signal_name = "restore";
- else
- return TRUE;
-
- atk_obj = gtk_widget_get_accessible (widget);
- if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
- {
- parent = atk_object_get_parent (atk_obj);
- if (parent == atk_get_root ())
- g_signal_emit_by_name (atk_obj, signal_name);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-#if 0
-static gboolean
-configure_event_watcher (GSignalInvocationHint *hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
-{
- GtkAllocation allocation;
- GObject *object;
- GtkWidget *widget;
- AtkObject *atk_obj;
- AtkObject *parent;
- GdkEvent *event;
- const char *signal_name;
-
- object = g_value_get_object (param_values + 0);
- if (!GTK_IS_WINDOW (object))
- return FALSE;
-
- event = g_value_get_boxed (param_values + 1);
- if (gdk_event_get_event_type (event) != GDK_CONFIGURE)
- return FALSE;
- widget = GTK_WIDGET (object);
- gtk_widget_get_allocation (widget, &allocation);
- if (allocation.x == ((GdkEventConfigure *)event)->x &&
- allocation.y == ((GdkEventConfigure *)event)->y &&
- allocation.width == ((GdkEventConfigure *)event)->width &&
- allocation.height == ((GdkEventConfigure *)event)->height)
- return TRUE;
-
- if (allocation.width != ((GdkEventConfigure *)event)->width ||
- allocation.height != ((GdkEventConfigure *)event)->height)
- signal_name = "resize";
- else
- signal_name = "move";
-
- atk_obj = gtk_widget_get_accessible (widget);
- if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
- {
- parent = atk_object_get_parent (atk_obj);
- if (parent == atk_get_root ())
- g_signal_emit_by_name (atk_obj, signal_name);
-
- return TRUE;
- }
-
- return FALSE;
-}
-#endif
-
-static gboolean
-window_focus (GtkWidget *widget,
- GdkEventFocus *event)
-{
- AtkObject *atk_obj;
- gboolean focus_in;
-
- g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
-
- gdk_event_get_focus_in ((GdkEvent *)event, &focus_in);
- atk_obj = gtk_widget_get_accessible (widget);
- g_signal_emit_by_name (atk_obj, focus_in ? "activate" : "deactivate");
-
- return FALSE;
-}
-
-static void
-window_added (AtkObject *atk_obj,
- guint index,
- AtkObject *child)
-{
- GtkWidget *widget;
-
- if (!GTK_IS_WINDOW_ACCESSIBLE (child))
- return;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
- if (!widget)
- return;
-
- g_signal_connect (widget, "focus-in-event", (GCallback) window_focus, NULL);
- g_signal_connect (widget, "focus-out-event", (GCallback) window_focus, NULL);
- g_signal_emit_by_name (child, "create");
-}
-
-static void
-window_removed (AtkObject *atk_obj,
- guint index,
- AtkObject *child)
-{
- GtkWidget *widget;
- GtkWindow *window;
-
- if (!GTK_IS_WINDOW_ACCESSIBLE (child))
- return;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
- if (!widget)
- return;
-
- window = GTK_WINDOW (widget);
- /*
- * Deactivate window if it is still focused and we are removing it. This
- * can happen when a dialog displayed by gok is removed.
- */
- if (gtk_window_is_active (window))
- g_signal_emit_by_name (child, "deactivate");
-
- g_signal_handlers_disconnect_by_func (widget, (gpointer) window_focus, NULL);
- g_signal_emit_by_name (child, "destroy");
-}
-
-static void
-do_window_event_initialization (void)
-{
- AtkObject *root;
-
- g_type_class_ref (GTK_TYPE_WINDOW_ACCESSIBLE);
- g_signal_add_emission_hook (g_signal_lookup ("window-state-event", GTK_TYPE_WIDGET),
- 0, state_event_watcher, NULL, (GDestroyNotify) NULL);
-#if 0
- g_signal_add_emission_hook (g_signal_lookup ("configure-event", GTK_TYPE_WIDGET),
- 0, configure_event_watcher, NULL, (GDestroyNotify) NULL);
-#endif
-
- root = atk_get_root ();
- g_signal_connect (root, "children-changed::add", (GCallback) window_added, NULL);
- g_signal_connect (root, "children-changed::remove", (GCallback) window_removed, NULL);
-}
-
void
_gtk_accessibility_init (void)
{
return;
initialized = TRUE;
- quark_focus_object = g_quark_from_static_string ("gail-focus-object");
-
- G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
- atk_focus_tracker_init (gail_focus_tracker_init);
- focus_tracker_id = atk_add_focus_tracker (gail_focus_tracker);
- G_GNUC_END_IGNORE_DEPRECATIONS;
_gtk_accessibility_override_atk_util ();
- do_window_event_initialization ();
#ifdef GDK_WINDOWING_X11
atk_bridge_adaptor_init (NULL, NULL);
projects / gtk4.git / commitdiff