GtkOrientation
egg_tray_manager_get_orientation (EggTrayManager *manager)
{
g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), GTK_ORIENTATION_HORIZONTAL);
return manager->orientation;
}
char *
egg_tray_manager_get_child_title (EggTrayManager *manager,
EggTrayManagerChild *child)
{
Window *child_window;
Atom utf8_string, atom, type;
int result;
gchar *val, *retval;
int format;
gulong nitems;
gulong bytes_after;
guchar *tmp;
g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), NULL);
g_return_val_if_fail (GTK_IS_SOCKET (child), NULL);
child_window = g_object_get_data (G_OBJECT (child),
"egg-tray-child-window");
utf8_string = XInternAtom (GDK_DISPLAY (), "UTF8_STRING", False);
atom = XInternAtom (GDK_DISPLAY (), "_NET_WM_NAME", False);
gdk_error_trap_push ();
result = XGetWindowProperty (GDK_DISPLAY (),
*child_window,
atom,
0, G_MAXLONG,
False, utf8_string,
&type, &format, &nitems,
&bytes_after, &tmp);
val = (gchar *) tmp;
if (gdk_error_trap_pop () || result != Success)
return NULL;
if (type != utf8_string ||
format != 8 ||
nitems == 0)
{
if (val)
XFree (val);
return NULL;
}
if (!g_utf8_validate (val, nitems, NULL))
{
XFree (val);
return NULL;
}
retval = g_strndup (val, nitems);
XFree (val);
return retval;
}
void
egg_tray_manager_set_orientation (EggTrayManager *manager,
GtkOrientation orientation)
{
g_return_if_fail (EGG_IS_TRAY_MANAGER (manager));
if (manager->orientation != orientation)
{
manager->orientation = orientation;
egg_tray_manager_set_orientation_property (manager);
g_object_notify (G_OBJECT (manager), "orientation");
}
}
static gboolean
egg_tray_manager_manage_xscreen (EggTrayManager *manager, Screen *xscreen)
{
GtkWidget *invisible;
char *selection_atom_name;
guint32 timestamp;
GdkScreen *screen;
g_return_val_if_fail (EGG_IS_TRAY_MANAGER (manager), FALSE);
g_return_val_if_fail (manager->screen == NULL, FALSE);
/* If there's already a manager running on the screen
* we can't create another one.
*/
#if 0
if (egg_tray_manager_check_running_xscreen (xscreen))
return FALSE;
#endif
screen = gdk_display_get_screen (gdk_x11_lookup_xdisplay (DisplayOfScreen (xscreen)),
XScreenNumberOfScreen (xscreen));
manager->screen = screen;
invisible = gtk_invisible_new_for_screen (screen);
gtk_widget_realize (invisible);
gtk_widget_add_events (invisible, GDK_PROPERTY_CHANGE_MASK | GDK_STRUCTURE_MASK);
selection_atom_name = g_strdup_printf ("_NET_SYSTEM_TRAY_S%d",
XScreenNumberOfScreen (xscreen));
manager->selection_atom = XInternAtom (DisplayOfScreen (xscreen), selection_atom_name, False);
g_free (selection_atom_name);
manager->invisible = invisible;
g_object_ref (G_OBJECT (manager->invisible));
manager->orientation_atom = XInternAtom (DisplayOfScreen (xscreen),
"_NET_SYSTEM_TRAY_ORIENTATION",
FALSE);
egg_tray_manager_set_orientation_property (manager);
egg_tray_manager_set_visual_property (manager);
timestamp = gdk_x11_get_server_time (invisible->window);
XSetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom,
GDK_WINDOW_XWINDOW (invisible->window), timestamp);
/* Check if we were could set the selection owner successfully */
if (XGetSelectionOwner (DisplayOfScreen (xscreen), manager->selection_atom) ==
GDK_WINDOW_XWINDOW (invisible->window))
{
XClientMessageEvent xev;
xev.type = ClientMessage;
xev.window = RootWindowOfScreen (xscreen);
xev.message_type = XInternAtom (DisplayOfScreen (xscreen), "MANAGER", False);
xev.format = 32;
xev.data.l[0] = timestamp;
xev.data.l[1] = manager->selection_atom;
xev.data.l[2] = GDK_WINDOW_XWINDOW (invisible->window);
xev.data.l[3] = 0; /* manager specific data */
xev.data.l[4] = 0; /* manager specific data */
XSendEvent (DisplayOfScreen (xscreen),
RootWindowOfScreen (xscreen),
False, StructureNotifyMask, (XEvent *)&xev);
manager->opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
"_NET_SYSTEM_TRAY_OPCODE",
False);
manager->message_data_atom = XInternAtom (DisplayOfScreen (xscreen),
"_NET_SYSTEM_TRAY_MESSAGE_DATA",
False);
/* Add a window filter */
gdk_window_add_filter (invisible->window, egg_tray_manager_window_filter, manager);
return TRUE;
}
else
{
gtk_widget_destroy (invisible);
g_object_unref (invisible);
manager->invisible = NULL;
manager->screen = NULL;
return FALSE;
}
}
