x11: Add XSETTINGS watcher

If we want to be able to get live notification of system settings
changes, we need watch the window that the XSETTINGS client conjures
up for us.
This commit is contained in:
Emmanuele Bassi 2010-06-28 10:32:54 +01:00
parent 31fc8e9664
commit c81ef75942
2 changed files with 47 additions and 3 deletions

View File

@ -101,6 +101,51 @@ static gboolean clutter_synchronise = FALSE;
static int TrappedErrorCode = 0;
static int (* old_error_handler) (Display *, XErrorEvent *);
static ClutterX11FilterReturn
xsettings_filter (XEvent *xevent,
ClutterEvent *event,
gpointer data)
{
ClutterBackendX11 *backend_x11 = data;
if (_clutter_xsettings_client_process_event (backend_x11->xsettings, xevent))
return CLUTTER_X11_FILTER_REMOVE;
else
return CLUTTER_X11_FILTER_CONTINUE;
}
static Bool
clutter_backend_x11_xsettings_watch (Window window,
Bool is_start,
long mask,
void *cb_data)
{
ClutterBackendX11 *backend_x11 = cb_data;
if (is_start)
{
backend_x11->xsettings_xwin = window;
if (!backend_x11->xsettings_xwin)
return False;
clutter_x11_add_filter (xsettings_filter, backend_x11);
CLUTTER_NOTE (BACKEND, "Added filter on XSettings manager window 0x%x",
(unsigned int) backend_x11->xsettings_xwin);
}
else
{
CLUTTER_NOTE (BACKEND, "Removed filter on XSettings manager window 0x%x",
(unsigned int) backend_x11->xsettings_xwin);
clutter_x11_remove_filter (xsettings_filter, backend_x11);
backend_x11->xsettings_xwin = None;
}
return True;
}
static void
clutter_backend_x11_xsettings_notify (const char *name,
XSettingsAction action,
@ -276,7 +321,7 @@ clutter_backend_x11_post_parse (ClutterBackend *backend,
_clutter_xsettings_client_new (backend_x11->xdpy,
backend_x11->xscreen_num,
clutter_backend_x11_xsettings_notify,
NULL,
clutter_backend_x11_xsettings_watch,
backend_x11);
if (clutter_synchronise)
@ -431,8 +476,6 @@ gboolean
clutter_backend_x11_handle_event (ClutterBackendX11 *backend_x11,
XEvent *xevent)
{
_clutter_xsettings_client_process_event (backend_x11->xsettings, xevent);
return FALSE;
}

View File

@ -87,6 +87,7 @@ struct _ClutterBackendX11
ClutterDeviceManager *device_manager;
XSettingsClient *xsettings;
Window xsettings_xwin;
};
struct _ClutterBackendX11Class