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x11: Make stored xsettings window a GdkWindow

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This commit is contained in:
Benjamin Otte 2013-02-16 18:36:05 +01:00
parent 5507954e04
commit f6d6e932de
1 changed files with 25 additions and 49 deletions
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74
gdk/x11/xsettings-client.c
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@ -55,7 +55,7 @@ struct _XSettingsClient
GdkScreen *screen;
Display *display;
Window manager_window;
GdkWindow *manager_window;
Atom selection_atom;
GHashTable *settings; /* string of GDK settings name => XSettingsSetting */
@ -371,7 +371,8 @@ read_settings (XSettingsClient *client)
Atom xsettings_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XSETTINGS_SETTINGS");
gdk_x11_display_error_trap_push (display);
result = XGetWindowProperty (client->display, client->manager_window,
result = XGetWindowProperty (client->display,
gdk_x11_window_get_xid (client->manager_window),
xsettings_atom, 0, LONG_MAX,
False, xsettings_atom,
&type, &format, &n_items, &bytes_after, &data);
@ -401,15 +402,16 @@ read_settings (XSettingsClient *client)
static Bool
gdk_xsettings_watch (GdkScreen *screen,
Window window);
GdkWindow *window);
static Bool
gdk_xsettings_unwatch (GdkScreen *screen,
Window window);
GdkWindow *window);
static void
check_manager_window (XSettingsClient *client)
{
GdkDisplay *display;
Window manager_window_xid;
display = gdk_screen_get_display (client->screen);
@ -418,11 +420,16 @@ check_manager_window (XSettingsClient *client)
gdk_x11_display_grab (display);
client->manager_window = XGetSelectionOwner (client->display,
client->selection_atom);
manager_window_xid = XGetSelectionOwner (client->display,
client->selection_atom);
client->manager_window = gdk_x11_window_foreign_new_for_display (display,
manager_window_xid);
/* XXX: Can't use gdk_window_set_events() here because the first call to this
* function happens too early in gdk_init() */
if (client->manager_window)
XSelectInput (client->display, client->manager_window,
PropertyChangeMask | StructureNotifyMask);
XSelectInput (client->display,
gdk_x11_window_get_xid (client->manager_window),
PropertyChangeMask | StructureNotifyMask);
gdk_x11_display_ungrab (display);
@ -435,7 +442,7 @@ check_manager_window (XSettingsClient *client)
/* Inability to watch the window probably means that it was destroyed
* after we ungrabbed
*/
client->manager_window = None;
client->manager_window = NULL;
return;
}
}
@ -468,7 +475,7 @@ gdk_xsettings_client_event_filter (GdkXEvent *xevent,
return GDK_FILTER_REMOVE;
}
}
else if (xev->xany.window == client->manager_window)
else if (xev->xany.window == gdk_x11_window_get_xid (client->manager_window))
{
if (xev->xany.type == DestroyNotify)
{
@ -488,51 +495,20 @@ gdk_xsettings_client_event_filter (GdkXEvent *xevent,
static Bool
gdk_xsettings_watch (GdkScreen *screen,
Window window)
GdkWindow *window)
{
GdkWindow *gdkwin;
gdkwin = gdk_x11_window_lookup_for_display (gdk_screen_get_display (screen), window);
if (gdkwin)
g_object_ref (gdkwin);
else
{
gdkwin = gdk_x11_window_foreign_new_for_display (gdk_screen_get_display (screen), window);
/* gdk_window_foreign_new_for_display() can fail and return NULL if the
* window has already been destroyed.
*/
if (!gdkwin)
return False;
}
gdk_window_add_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
g_object_ref (window);
gdk_window_add_filter (window, gdk_xsettings_client_event_filter, screen);
return True;
}
static Bool
gdk_xsettings_unwatch (GdkScreen *screen,
Window window)
GdkWindow *window)
{
GdkWindow *gdkwin;
gdkwin = gdk_x11_window_lookup_for_display (gdk_screen_get_display (screen), window);
if (!gdkwin)
{
/* gdkwin should not be NULL here, since if starting the watch succeeded
* we have a reference on the window. It might mean that the caller didn't
* remove the watch when it got a DestroyNotify event. Or maybe the
* caller ignored the return value when starting the watch failed.
*/
g_warning ("gdk_xsettings_unwatch(): Couldn't find window to unwatch");
return False;
}
gdk_window_remove_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
g_object_unref (gdkwin);
gdk_window_remove_filter (window, gdk_xsettings_client_event_filter, screen);
g_object_unref (window);
return True;
}
@ -557,7 +533,7 @@ xsettings_client_new (GdkScreen *screen)
client->selection_atom = gdk_x11_get_xatom_by_name_for_display (gdk_screen_get_display (screen), selection_atom_name);
g_free (selection_atom_name);
gdk_xsettings_watch (screen, gdk_x11_window_get_xid (gdk_screen_get_root_window (screen)));
gdk_xsettings_watch (screen, gdk_screen_get_root_window (screen));
check_manager_window (client);
@ -567,7 +543,7 @@ xsettings_client_new (GdkScreen *screen)
void
xsettings_client_destroy (XSettingsClient *client)
{
gdk_xsettings_unwatch (client->screen, gdk_x11_window_get_xid (gdk_screen_get_root_window (client->screen)));
gdk_xsettings_unwatch (client->screen, gdk_screen_get_root_window (client->screen));
if (client->manager_window)
gdk_xsettings_unwatch (client->screen, client->manager_window);