Api to set specific input region on stage from plugins.

src/compositor/clutter/clutter-plugins/moblin.c

@@ -97,7 +97,6 @@ MetaCompositorClutterPlugin META_COMPOSITOR_CLUTTER_PLUGIN_STRUCT =
     .maximize         = maximize,
     .unmaximize       = unmaximize,
     .switch_workspace = switch_workspace,
-    .xevent_filter    = xevent_filter,
     .kill_effect      = kill_effect,
 
     /* The reload handler */
@@ -614,7 +613,11 @@ on_panel_effect_complete (ClutterActor *panel, gpointer data)
   gboolean reactive = GPOINTER_TO_INT (data);
   MetaCompositorClutterPlugin *plugin = get_plugin ();
 
-  meta_comp_clutter_plugin_set_stage_reactive (plugin, reactive);
+  if (reactive)
+    meta_comp_clutter_plugin_set_stage_reactive (plugin, reactive);
+  else
+    meta_comp_clutter_plugin_set_stage_input_area (plugin, 0, 0,
+                                                   plugin->screen_width, 1);
 }
 
 static gboolean
@@ -626,14 +629,17 @@ xevent_filter (XEvent *xev)
   if (xev->type != MotionNotify)
     return FALSE;
 
-  printf ("got xevent type %d\n", xev->type);
+  printf ("got xevent type %d on 0x%x @ y %d\n",
+          xev->type,
+          (gint) xev->xmotion.window,
+          xev->xmotion.y_root);
 
   if (priv->panel_out)
     {
       guint height = clutter_actor_get_height (priv->panel);
       gint  x      = clutter_actor_get_x (priv->panel);
 
-      if (xev->xmotion.y > (gint)height)
+      if (xev->xmotion.y_root > (gint)height)
         {
           clutter_effect_move (priv->panel_slide_effect,
                                priv->panel, x, -height,
@@ -641,9 +647,11 @@ xevent_filter (XEvent *xev)
                                GINT_TO_POINTER (FALSE));
         }
 
+      priv->panel_out = FALSE;
+
       return TRUE;
     }
-  else if (xev->xmotion.y < PANEL_SLIDE_THRESHOLD)
+  else if (xev->xmotion.y_root < PANEL_SLIDE_THRESHOLD)
     {
       gint  x = clutter_actor_get_x (priv->panel);
 
@@ -652,6 +660,8 @@ xevent_filter (XEvent *xev)
                            on_panel_effect_complete,
                            GINT_TO_POINTER (TRUE ));
 
+      priv->panel_out = TRUE;
+
       return TRUE;
     }
 
@@ -736,12 +746,16 @@ g_module_check_init (GModule *module)
 static gboolean
 stage_input_cb (ClutterActor *stage, ClutterEvent *event, gpointer data)
 {
+  printf ("Got event, type %d\n", event->type);
+
   if (event->type == CLUTTER_MOTION)
     {
       ClutterMotionEvent          *mev = (ClutterMotionEvent *) event;
       MetaCompositorClutterPlugin *plugin = get_plugin ();
       PluginPrivate               *priv   = plugin->plugin_private;
 
+      printf ("got stage motion event at y %d\n", mev->y);
+
       if (priv->panel_out)
         {
           guint height = clutter_actor_get_height (priv->panel);
@@ -755,6 +769,8 @@ stage_input_cb (ClutterActor *stage, ClutterEvent *event, gpointer data)
                                    GINT_TO_POINTER (FALSE));
             }
 
+          priv->panel_out = FALSE;
+
           return TRUE;
         }
       else if (mev->y < PANEL_SLIDE_THRESHOLD)
@@ -766,6 +782,8 @@ stage_input_cb (ClutterActor *stage, ClutterEvent *event, gpointer data)
                                on_panel_effect_complete,
                                GINT_TO_POINTER (TRUE ));
 
+          priv->panel_out = TRUE;
+
           return TRUE;
         }
 
@@ -900,7 +918,15 @@ do_init ()
                               -clutter_actor_get_height (background));
 
   g_signal_connect (meta_comp_clutter_plugin_get_stage (plugin),
-                    "key-release-event", G_CALLBACK (stage_input_cb), NULL);
+                    "motion-event", G_CALLBACK (stage_input_cb), NULL);
+
+  g_signal_connect (meta_comp_clutter_plugin_get_stage (plugin),
+                    "button-press-event", G_CALLBACK (stage_input_cb), NULL);
+
+  meta_comp_clutter_plugin_set_stage_input_area (plugin, 0, 0,
+                                                 plugin->screen_width, 60);
+
+  clutter_set_motion_events_enabled (TRUE);
 
   return TRUE;
 }

src/compositor/clutter/compositor-clutter-plugin-manager.c

@@ -743,3 +743,26 @@ meta_comp_clutter_plugin_set_stage_reactive (MetaCompositorClutterPlugin *plugin
     }
 }
 
+void
+meta_comp_clutter_plugin_set_stage_input_area (MetaCompositorClutterPlugin *plugin,
+                                                 gint x, gint y, gint width, gint height)
+{
+  MetaCompositorClutterPluginPrivate *priv = plugin->manager_private;
+  MetaCompositorClutterPluginManager *mgr  = priv->self;
+  MetaDisplay  *display = meta_screen_get_display (mgr->screen);
+  Display      *xdpy    = meta_display_get_xdisplay (display);
+  Window        overlay;
+  XRectangle    rect;
+  XserverRegion region;
+
+  overlay = meta_compositor_clutter_get_overlay_window (mgr->screen);
+
+  rect.x = x;
+  rect.y = y;
+  rect.width = width;
+  rect.height = height;
+
+  region = XFixesCreateRegion (xdpy, &rect, 1);
+
+  XFixesSetWindowShapeRegion (xdpy, overlay, ShapeInput, 0, 0, region);
+}

src/compositor/clutter/compositor-clutter.c

@@ -1668,14 +1668,7 @@ get_output_window (MetaScreen *screen)
   xroot = meta_screen_get_xroot (screen);
 
   output = XCompositeGetOverlayWindow (xdisplay, xroot);
-  XSelectInput (xdisplay, output,
-		FocusChangeMask   |
-		ExposureMask      |
-		PointerMotionMask |
-		KeyPressMask      |
-		KeyReleaseMask    |
-		ButtonPressMask   |
-		ButtonReleaseMask);
+  XSelectInput (xdisplay, output, ExposureMask);
 
   return output;
 }

src/include/compositor-clutter-plugin.h

@@ -248,4 +248,8 @@ void
 meta_comp_clutter_plugin_set_stage_reactive (MetaCompositorClutterPlugin *plugin,
                                              gboolean reactive);
 
+void
+meta_comp_clutter_plugin_set_stage_input_area (MetaCompositorClutterPlugin *plugin,
+                                               gint x, gint y, gint width, gint height);
+
 #endif