-/* 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/gtkx.h>
-
-#include "gailwindow.h"
-#include "gailtoplevel.h"
-
-enum {
- ACTIVATE,
- CREATE,
- DEACTIVATE,
- DESTROY,
- MAXIMIZE,
- MINIMIZE,
- MOVE,
- RESIZE,
- RESTORE,
- LAST_SIGNAL
-};
-
-static void gail_window_class_init (GailWindowClass *klass);
-
-static void gail_window_init (GailWindow *accessible);
-
-static void gail_window_real_initialize (AtkObject *obj,
- gpointer data);
-
-static const gchar* gail_window_get_name (AtkObject *accessible);
-
-static AtkObject* gail_window_get_parent (AtkObject *accessible);
-static gint gail_window_get_index_in_parent (AtkObject *accessible);
-static gboolean gail_window_real_focus_gtk (GtkWidget *widget,
- GdkEventFocus *event);
-
-static AtkStateSet* gail_window_ref_state_set (AtkObject *accessible);
-static AtkRelationSet* gail_window_ref_relation_set (AtkObject *accessible);
-static void gail_window_real_notify_gtk (GObject *obj,
- GParamSpec *pspec);
-static gint gail_window_get_mdi_zorder (AtkComponent *component);
-
-static gboolean gail_window_state_event_gtk (GtkWidget *widget,
- GdkEventWindowState *event);
-
-/* atkcomponent.h */
-static void atk_component_interface_init (AtkComponentIface *iface);
-
-static void gail_window_get_extents (AtkComponent *component,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type);
-static void gail_window_get_size (AtkComponent *component,
- gint *width,
- gint *height);
-
-static guint gail_window_signals [LAST_SIGNAL] = { 0, };
-
-G_DEFINE_TYPE_WITH_CODE (GailWindow, gail_window, GAIL_TYPE_CONTAINER,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init))
-
-static void
-gail_window_class_init (GailWindowClass *klass)
-{
- GailWidgetClass *widget_class;
- AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
-
- widget_class = (GailWidgetClass*)klass;
- widget_class->focus_gtk = gail_window_real_focus_gtk;
- widget_class->notify_gtk = gail_window_real_notify_gtk;
-
- class->get_name = gail_window_get_name;
- class->get_parent = gail_window_get_parent;
- class->get_index_in_parent = gail_window_get_index_in_parent;
- class->ref_relation_set = gail_window_ref_relation_set;
- class->ref_state_set = gail_window_ref_state_set;
- class->initialize = gail_window_real_initialize;
-
- gail_window_signals [ACTIVATE] =
- g_signal_new ("activate",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [CREATE] =
- g_signal_new ("create",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [DEACTIVATE] =
- g_signal_new ("deactivate",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [DESTROY] =
- g_signal_new ("destroy",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [MAXIMIZE] =
- g_signal_new ("maximize",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [MINIMIZE] =
- g_signal_new ("minimize",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [MOVE] =
- g_signal_new ("move",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [RESIZE] =
- g_signal_new ("resize",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
- gail_window_signals [RESTORE] =
- g_signal_new ("restore",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0, /* default signal handler */
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-}
-
-static void
-gail_window_init (GailWindow *accessible)
-{
-}
-
-static void
-gail_window_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GtkWidget *widget = GTK_WIDGET (data);
-
- /*
- * A GailWindow can be created for a GtkHandleBox or a GtkWindow
- */
- if (!GTK_IS_WINDOW (widget) && !GTK_IS_HANDLE_BOX (widget))
- return;
-
- ATK_OBJECT_CLASS (gail_window_parent_class)->initialize (obj, data);
-
- g_signal_connect (data,
- "window_state_event",
- G_CALLBACK (gail_window_state_event_gtk),
- NULL);
- g_object_set_data (G_OBJECT (obj), "atk-component-layer",
- GINT_TO_POINTER (ATK_LAYER_WINDOW));
-
- if (GTK_IS_FILE_CHOOSER_DIALOG (widget))
- obj->role = ATK_ROLE_FILE_CHOOSER;
- else if (GTK_IS_COLOR_SELECTION_DIALOG (widget))
- obj->role = ATK_ROLE_COLOR_CHOOSER;
- else if (GTK_IS_FONT_SELECTION_DIALOG (widget))
- obj->role = ATK_ROLE_FONT_CHOOSER;
- else if (GTK_IS_MESSAGE_DIALOG (widget))
- obj->role = ATK_ROLE_ALERT;
- else if (GTK_IS_DIALOG (widget))
- obj->role = ATK_ROLE_DIALOG;
- else
- {
- const gchar *name;
-
- name = gtk_widget_get_name (widget);
-
- if (!g_strcmp0 (name, "gtk-tooltip"))
- obj->role = ATK_ROLE_TOOL_TIP;
-#ifdef GDK_WINDOWING_X11
- else if (GTK_IS_PLUG (widget))
- obj->role = ATK_ROLE_PANEL;
-#endif
- else if (gtk_window_get_window_type (GTK_WINDOW (widget)) == GTK_WINDOW_POPUP)
- obj->role = ATK_ROLE_WINDOW;
- else
- obj->role = ATK_ROLE_FRAME;
- }
-
- /*
- * Notify that tooltip is showing
- */
- if (obj->role == ATK_ROLE_TOOL_TIP &&
- gtk_widget_get_mapped (widget))
- atk_object_notify_state_change (obj, ATK_STATE_SHOWING, 1);
-}
-
-static const gchar*
-gail_window_get_name (AtkObject *accessible)
-{
- const gchar* name;
-
- name = ATK_OBJECT_CLASS (gail_window_parent_class)->get_name (accessible);
- if (name == NULL)
- {
- /*
- * Get the window title if it exists
- */
- GtkWidget* widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
-
- if (widget == NULL)
- return NULL;
-
- if (GTK_IS_WINDOW (widget))
- {
- GtkWindow *window = GTK_WINDOW (widget);
-
- name = gtk_window_get_title (window);
- if (name == NULL &&
- accessible->role == ATK_ROLE_TOOL_TIP)
- {
- GtkWidget *child;
-
- child = gtk_bin_get_child (GTK_BIN (window));
- /* could be some kind of egg notification bubble thingy? */
-
- /* Handle new GTK+ GNOME 2.20 tooltips */
- if (GTK_IS_ALIGNMENT(child))
- {
- child = gtk_bin_get_child (GTK_BIN (child));
- if (GTK_IS_BOX(child))
- {
- GList *children;
- guint count;
- children = gtk_container_get_children (GTK_CONTAINER (child));
- count = g_list_length (children);
- if (count == 2)
- {
- child = (GtkWidget *) g_list_nth_data (children, 1);
- }
- g_list_free (children);
- }
- }
-
- if (!GTK_IS_LABEL (child))
- {
- g_message ("ATK_ROLE_TOOLTIP object found, but doesn't look like a tooltip.");
- return NULL;
- }
- name = gtk_label_get_text (GTK_LABEL (child));
- }
- }
- }
- return name;
-}
-
-static AtkObject*
-gail_window_get_parent (AtkObject *accessible)
-{
- AtkObject* parent;
-
- parent = ATK_OBJECT_CLASS (gail_window_parent_class)->get_parent (accessible);
-
- return parent;
-}
-
-static gint
-gail_window_get_index_in_parent (AtkObject *accessible)
-{
- GtkWidget* widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
- AtkObject* atk_obj = atk_get_root ();
- gint index = -1;
-
- if (widget == NULL)
- return -1;
-
- index = ATK_OBJECT_CLASS (gail_window_parent_class)->get_index_in_parent (accessible);
- if (index != -1)
- return index;
-
- if (GTK_IS_WINDOW (widget))
- {
- GtkWindow *window = GTK_WINDOW (widget);
- if (GAIL_IS_TOPLEVEL (atk_obj))
- {
- GailToplevel* toplevel = GAIL_TOPLEVEL (atk_obj);
- index = g_list_index (toplevel->window_list, window);
- }
- else
- {
- int i, sibling_count = atk_object_get_n_accessible_children (atk_obj);
- for (i = 0; i < sibling_count && index == -1; ++i)
- {
- AtkObject *child = atk_object_ref_accessible_child (atk_obj, i);
- if (accessible == child) index = i;
- g_object_unref (G_OBJECT (child));
- }
- }
- }
- return index;
-}
-
-static gboolean
-gail_window_real_focus_gtk (GtkWidget *widget,
- GdkEventFocus *event)
-{
- AtkObject* obj;
-
- obj = gtk_widget_get_accessible (widget);
- atk_object_notify_state_change (obj, ATK_STATE_ACTIVE, event->in);
-
- return FALSE;
-}
-
-static AtkRelationSet*
-gail_window_ref_relation_set (AtkObject *obj)
-{
- GtkWidget *widget;
- AtkRelationSet *relation_set;
- AtkObject *array[1];
- AtkRelation* relation;
- GtkWidget *current_widget;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- return NULL;
-
- relation_set = ATK_OBJECT_CLASS (gail_window_parent_class)->ref_relation_set (obj);
-
- if (atk_object_get_role (obj) == ATK_ROLE_TOOL_TIP)
- {
- relation = atk_relation_set_get_relation_by_type (relation_set, ATK_RELATION_POPUP_FOR);
-
- if (relation)
- {
- atk_relation_set_remove (relation_set, relation);
- }
- if (gtk_widget_get_visible(widget) && FALSE /* FIXME gtk_tooltips_get_info_from_tip_window (GTK_WINDOW (widget), NULL, ¤t_widget) */)
- {
- array [0] = gtk_widget_get_accessible (current_widget);
-
- relation = atk_relation_new (array, 1, ATK_RELATION_POPUP_FOR);
- atk_relation_set_add (relation_set, relation);
- g_object_unref (relation);
- }
- }
- return relation_set;
-}
-
-static AtkStateSet*
-gail_window_ref_state_set (AtkObject *accessible)
-{
- AtkStateSet *state_set;
- GtkWidget *widget;
- GtkWindow *window;
- GdkWindow *gdk_window;
- GdkWindowState state;
-
- state_set = ATK_OBJECT_CLASS (gail_window_parent_class)->ref_state_set (accessible);
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
-
- if (widget == NULL)
- return state_set;
-
- window = GTK_WINDOW (widget);
-
- if (gtk_window_has_toplevel_focus (window) && gtk_window_is_active (window))
- atk_state_set_add_state (state_set, ATK_STATE_ACTIVE);
-
- gdk_window = gtk_widget_get_window (widget);
- if (window)
- {
- state = gdk_window_get_state (gdk_window);
- if (state & GDK_WINDOW_STATE_ICONIFIED)
- atk_state_set_add_state (state_set, ATK_STATE_ICONIFIED);
- }
- if (gtk_window_get_modal (window))
- atk_state_set_add_state (state_set, ATK_STATE_MODAL);
-
- if (gtk_window_get_resizable (window))
- atk_state_set_add_state (state_set, ATK_STATE_RESIZABLE);
-
- return state_set;
-}
-
-static void
-gail_window_real_notify_gtk (GObject *obj,
- GParamSpec *pspec)
-{
- GtkWidget *widget = GTK_WIDGET (obj);
- AtkObject* atk_obj = gtk_widget_get_accessible (widget);
-
- if (strcmp (pspec->name, "title") == 0)
- {
- g_object_notify (G_OBJECT (atk_obj), "accessible-name");
- g_signal_emit_by_name (atk_obj, "visible_data_changed");
- }
- else
- GAIL_WIDGET_CLASS (gail_window_parent_class)->notify_gtk (obj, pspec);
-}
-
-static gboolean
-gail_window_state_event_gtk (GtkWidget *widget,
- GdkEventWindowState *event)
-{
- AtkObject* obj;
-
- obj = gtk_widget_get_accessible (widget);
- atk_object_notify_state_change (obj, ATK_STATE_ICONIFIED,
- (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED) != 0);
- return FALSE;
-}
-
-static void
-atk_component_interface_init (AtkComponentIface *iface)
-{
- iface->get_extents = gail_window_get_extents;
- iface->get_size = gail_window_get_size;
- iface->get_mdi_zorder = gail_window_get_mdi_zorder;
-}
-
-static void
-gail_window_get_extents (AtkComponent *component,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type)
-{
- GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
- GdkRectangle rect;
- gint x_toplevel, y_toplevel;
-
- if (widget == NULL)
- return;
-
- if (!gtk_widget_is_toplevel (widget))
- {
- AtkComponentIface *parent_iface;
-
- parent_iface = (AtkComponentIface *) g_type_interface_peek_parent (ATK_COMPONENT_GET_IFACE (component));
- parent_iface->get_extents (component, x, y, width, height, coord_type);
- return;
- }
-
- gdk_window_get_frame_extents (gtk_widget_get_window (widget),
- &rect);
-
- *width = rect.width;
- *height = rect.height;
- if (!gtk_widget_is_drawable (widget))
- {
- *x = G_MININT;
- *y = G_MININT;
- return;
- }
- *x = rect.x;
- *y = rect.y;
- if (coord_type == ATK_XY_WINDOW)
- {
- gdk_window_get_origin (gtk_widget_get_window (widget),
- &x_toplevel, &y_toplevel);
- *x -= x_toplevel;
- *y -= y_toplevel;
- }
-}
-
-static void
-gail_window_get_size (AtkComponent *component,
- gint *width,
- gint *height)
-{
- GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
- GdkRectangle rect;
-
- if (widget == NULL)
- return;
-
- if (!gtk_widget_is_toplevel (widget))
- {
- AtkComponentIface *parent_iface;
-
- parent_iface = (AtkComponentIface *) g_type_interface_peek_parent (ATK_COMPONENT_GET_IFACE (component));
- parent_iface->get_size (component, width, height);
- return;
- }
- gdk_window_get_frame_extents (gtk_widget_get_window (widget), &rect);
-
- *width = rect.width;
- *height = rect.height;
-}
-
-#if defined (GDK_WINDOWING_X11)
-
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-#include <gdk/x11/gdkx.h>
-
-/* _NET_CLIENT_LIST_STACKING monitoring */
-
-typedef struct {
- Window *stacked_windows;
- int stacked_windows_len;
- GdkWindow *root_window;
- guint update_handler;
- int *desktop;
- guint update_desktop_handler;
- gboolean *desktop_changed;
-
- guint screen_initialized : 1;
- guint update_stacked_windows : 1;
-} GailScreenInfo;
-
-static GailScreenInfo *gail_screens = NULL;
-static int num_screens = 0;
-static Atom _net_client_list_stacking = None;
-static Atom _net_wm_desktop = None;
-
-static gint
-get_window_desktop (Window window)
-{
- Atom ret_type;
- int format;
- gulong nitems;
- gulong bytes_after;
- guchar *cardinals;
- int error;
- int result;
- int desktop;
-
- if (_net_wm_desktop == None)
- _net_wm_desktop =
- XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "_NET_WM_DESKTOP", False);
-
- gdk_error_trap_push ();
- result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), window, _net_wm_desktop,
- 0, G_MAXLONG,
- False, XA_CARDINAL,
- &ret_type, &format, &nitems,
- &bytes_after, &cardinals);
- error = gdk_error_trap_pop();
- /* nitems < 1 will occur if the property is not set */
- if (error != Success || result != Success || nitems < 1)
- return -1;
-
- desktop = *cardinals;
-
- XFree (cardinals);
- if (nitems != 1)
- return -1;
- return desktop;
-}
-
-static void
-free_screen_info (GailScreenInfo *info)
-{
- if (info->stacked_windows)
- XFree (info->stacked_windows);
- if (info->desktop)
- g_free (info->desktop);
- if (info->desktop_changed)
- g_free (info->desktop_changed);
-
- info->stacked_windows = NULL;
- info->stacked_windows_len = 0;
- info->desktop = NULL;
- info->desktop_changed = NULL;
-}
-
-static gboolean
-get_stacked_windows (GailScreenInfo *info)
-{
- Atom ret_type;
- int format;
- gulong nitems;
- gulong bytes_after;
- guchar *data;
- int error;
- int result;
- int i;
- int j;
- int *desktops;
- gboolean *desktops_changed;
-
- if (_net_client_list_stacking == None)
- _net_client_list_stacking =
- XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "_NET_CLIENT_LIST_STACKING", False);
-
- gdk_error_trap_push ();
- ret_type = None;
- result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
- GDK_WINDOW_XID (info->root_window),
- _net_client_list_stacking,
- 0, G_MAXLONG,
- False, XA_WINDOW, &ret_type, &format, &nitems,
- &bytes_after, &data);
- error = gdk_error_trap_pop ();
- /* nitems < 1 will occur if the property is not set */
- if (error != Success || result != Success || nitems < 1)
- {
- free_screen_info (info);
- return FALSE;
- }
-
- if (ret_type != XA_WINDOW)
- {
- XFree (data);
- free_screen_info (info);
- return FALSE;
- }
-
- desktops = g_malloc0 (nitems * sizeof (int));
- desktops_changed = g_malloc0 (nitems * sizeof (gboolean));
- for (i = 0; i < nitems; i++)
- {
- gboolean window_found = FALSE;
-
- for (j = 0; j < info->stacked_windows_len; j++)
- {
- if (info->stacked_windows [j] == data [i])
- {
- desktops [i] = info->desktop [j];
- desktops_changed [i] = info->desktop_changed [j];
- window_found = TRUE;
- break;
- }
- }
- if (!window_found)
- {
- desktops [i] = get_window_desktop (data [i]);
- desktops_changed [i] = FALSE;
- }
- }
- free_screen_info (info);
- info->stacked_windows = (Window*) data;
- info->stacked_windows_len = nitems;
- info->desktop = desktops;
- info->desktop_changed = desktops_changed;
-
- return TRUE;
-}
-
-static gboolean
-update_screen_info (gpointer data)
-{
- int screen_n = GPOINTER_TO_INT (data);
-
- gail_screens [screen_n].update_handler = 0;
- gail_screens [screen_n].update_stacked_windows = FALSE;
-
- get_stacked_windows (&gail_screens [screen_n]);
-
- return FALSE;
-}
-
-static gboolean
-update_desktop_info (gpointer data)
-{
- int screen_n = GPOINTER_TO_INT (data);
- GailScreenInfo *info;
- int i;
-
- info = &gail_screens [screen_n];
- info->update_desktop_handler = 0;
-
- for (i = 0; i < info->stacked_windows_len; i++)
- {
- if (info->desktop_changed [i])
- {
- info->desktop [i] = get_window_desktop (info->stacked_windows [i]);
- info->desktop_changed [i] = FALSE;
- }
- }
-
- return FALSE;
-}
-
-static GdkFilterReturn
-filter_func (GdkXEvent *gdkxevent,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = gdkxevent;
-
- if (xevent->type == PropertyNotify)
- {
- if (xevent->xproperty.atom == _net_client_list_stacking)
- {
- int screen_n;
- GdkWindow *window;
-
- window = event->any.window;
-
- if (window)
- {
- screen_n = gdk_screen_get_number (gdk_window_get_screen (window));
-
- gail_screens [screen_n].update_stacked_windows = TRUE;
- if (!gail_screens [screen_n].update_handler)
- {
- gail_screens [screen_n].update_handler = gdk_threads_add_idle (update_screen_info,
- GINT_TO_POINTER (screen_n));
- }
- }
- }
- else if (xevent->xproperty.atom == _net_wm_desktop)
- {
- int i;
- int j;
- GailScreenInfo *info;
-
- for (i = 0; i < num_screens; i++)
- {
- info = &gail_screens [i];
- for (j = 0; j < info->stacked_windows_len; j++)
- {
- if (xevent->xany.window == info->stacked_windows [j])
- {
- info->desktop_changed [j] = TRUE;
- if (!info->update_desktop_handler)
- {
- info->update_desktop_handler = gdk_threads_add_idle (update_desktop_info,
- GINT_TO_POINTER (i));
- }
- break;
- }
- }
- }
- }
- }
- return GDK_FILTER_CONTINUE;
-}
-
-static void
-display_closed (GdkDisplay *display,
- gboolean is_error)
-{
- int i;
-
- for (i = 0; i < num_screens; i++)
- {
- if (gail_screens [i].update_handler)
- {
- g_source_remove (gail_screens [i].update_handler);
- gail_screens [i].update_handler = 0;
- }
-
- if (gail_screens [i].update_desktop_handler)
- {
- g_source_remove (gail_screens [i].update_desktop_handler);
- gail_screens [i].update_desktop_handler = 0;
- }
-
- free_screen_info (&gail_screens [i]);
- }
-
- g_free (gail_screens);
- gail_screens = NULL;
- num_screens = 0;
-}
-
-static void
-init_gail_screens (void)
-{
- GdkDisplay *display;
-
- display = gdk_display_get_default ();
-
- num_screens = gdk_display_get_n_screens (display);
-
- gail_screens = g_new0 (GailScreenInfo, num_screens);
- gdk_window_add_filter (NULL, filter_func, NULL);
-
- g_signal_connect (display, "closed", G_CALLBACK (display_closed), NULL);
-}
-
-static void
-init_gail_screen (GdkScreen *screen,
- int screen_n)
-{
- XWindowAttributes attrs;
-
- gail_screens [screen_n].root_window = gdk_screen_get_root_window (screen);
-
- get_stacked_windows (&gail_screens [screen_n]);
-
- XGetWindowAttributes (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
- GDK_WINDOW_XID (gail_screens [screen_n].root_window),
- &attrs);
-
- XSelectInput (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
- GDK_WINDOW_XID (gail_screens [screen_n].root_window),
- attrs.your_event_mask | PropertyChangeMask);
-
- gail_screens [screen_n].screen_initialized = TRUE;
-}
-
-static GailScreenInfo *
-get_screen_info (GdkScreen *screen)
-{
- gint screen_n;
-
- screen_n = gdk_screen_get_number (screen);
-
- if (gail_screens && gail_screens [screen_n].screen_initialized)
- return &gail_screens [screen_n];
-
- if (!gail_screens)
- init_gail_screens ();
-
- g_assert (gail_screens != NULL);
-
- init_gail_screen (screen, screen_n);
-
- g_assert (gail_screens [screen_n].screen_initialized);
-
- return &gail_screens [screen_n];
-}
-
-static gint
-get_window_zorder (GdkWindow *window)
-{
- GailScreenInfo *info;
- Window xid;
- int i;
- int zorder;
- int w_desktop;
-
- info = get_screen_info (gdk_window_get_screen (window));
-
- if (info->stacked_windows == NULL)
- return -1;
-
- xid = GDK_WINDOW_XID (window);
-
- w_desktop = -1;
- for (i = 0; i < info->stacked_windows_len; i++)
- {
- if (info->stacked_windows [i] == xid)
- {
- w_desktop = info->desktop[i];
- break;
- }
- }
- if (w_desktop < 0)
- return w_desktop;
-
- zorder = 0;
- for (i = 0; i < info->stacked_windows_len; i++)
- {
- if (info->stacked_windows [i] == xid)
- {
- return zorder;
- }
- else
- {
- if (info->desktop[i] == w_desktop)
- zorder++;
- }
- }
-
- return -1;
-}
-
-static gint
-gail_window_get_mdi_zorder (AtkComponent *component)
-{
- GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
-
- if (widget == NULL)
- return -1;
-
- return get_window_zorder (gtk_widget_get_window (widget));
-}
-
-#elif defined (GDK_WINDOWING_WIN32)
-
-static gint
-gail_window_get_mdi_zorder (AtkComponent *component)
-{
- GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
-
- if (widget == NULL)
- return -1;
-
- return 0; /* Punt, FIXME */
-}
-
-#else
-
-static gint
-gail_window_get_mdi_zorder (AtkComponent *component)
-{
- GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (component));
-
- if (widget == NULL)
- return -1;
-
- return 0; /* Punt, FIXME */
-}
-
-#endif