Ignore changes to the root pixmap

We no longer use the root pixmap at all, so we can ignore changes to it.

Signed-off-by: Uli Schlachter <psychon@znc.in>

awesome.c

@@ -541,7 +541,6 @@ main(int argc, char **argv)
             XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY
                 | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW
                 | XCB_EVENT_MASK_STRUCTURE_NOTIFY
-                | XCB_EVENT_MASK_PROPERTY_CHANGE
                 | XCB_EVENT_MASK_BUTTON_PRESS
                 | XCB_EVENT_MASK_BUTTON_RELEASE
                 | XCB_EVENT_MASK_FOCUS_CHANGE

property.c

@@ -328,19 +328,6 @@ property_handle_xembed_info(uint8_t state,
     return 0;
 }
 
-static int
-property_handle_xrootpmap_id(uint8_t state,
-                             xcb_window_t window)
-{
-#warning
-#if 0
-    foreach(w, globalconf.drawins)
-       (*w)->need_update = true;
-#endif
-
-    return 0;
-}
-
 static int
 property_handle_net_wm_opacity(uint8_t state,
                                xcb_window_t window)
@@ -412,9 +399,6 @@ property_handle_propertynotify(xcb_property_notify_event_t *ev)
     HANDLE(_NET_WM_PID, property_handle_net_wm_pid)
     HANDLE(_NET_WM_WINDOW_OPACITY, property_handle_net_wm_opacity)
 
-    /* background change */
-    HANDLE(_XROOTPMAP_ID, property_handle_xrootpmap_id)
-
     /* If nothing was found, return */
     END;