[metacity] Revert "compositor-xrender: add new atom - METACITY_WINDOW_HAVE_SHADOW"

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 8ad17d65441f1986a0f16ad45a2423559198540c
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Oct 3 18:31:03 2014 +0300

    Revert "compositor-xrender: add new atom - METACITY_WINDOW_HAVE_SHADOW"
    
    This reverts commit c52cd2e1d6ae50627bc9056ea6eae773e2aedfe5.

 src/compositor/compositor-xrender.c |   57 +----------------------------------
 1 files changed, 1 insertions(+), 56 deletions(-)
---
diff --git a/src/compositor/compositor-xrender.c b/src/compositor/compositor-xrender.c
index 3d4565f..d42aa5b 100644
--- a/src/compositor/compositor-xrender.c
+++ b/src/compositor/compositor-xrender.c
@@ -123,8 +123,6 @@ typedef struct _MetaCompositorXRender
   Atom atom_net_wm_window_type_dropdown_menu;
   Atom atom_net_wm_window_type_tooltip;
 
-  Atom atom_metacity_window_have_shadow;
-
 #ifdef USE_IDLE_REPAINT
   guint repaint_id;
 #endif
@@ -201,7 +199,6 @@ typedef struct _MetaCompWindow
   Picture picture;
   Picture alpha_pict;
 
-  gboolean have_shadow;
   gboolean needs_shadow;
   MetaShadowType shadow_type;
   Picture shadow_pict;
@@ -895,9 +892,6 @@ window_has_shadow (MetaCompWindow *cw)
   if (info == NULL || info->have_shadows == FALSE)
     return FALSE;
 
-  if (cw->have_shadow == FALSE)
-    return FALSE;
-
   /* Always put a shadow around windows with a frame - This should override
      the restriction about not putting a shadow around shaped windows
      as the frame might be the reason the window is shaped */
@@ -1872,8 +1866,6 @@ add_win (MetaScreen *screen,
   
   cw->border_clip = None;
 
-  cw->have_shadow = TRUE;
-
   determine_mode (display, screen, cw);
   cw->needs_shadow = window_has_shadow (cw);
 
@@ -2239,51 +2231,6 @@ process_property_notify (MetaCompositorXRender *compositor,
         }
     }
 
-    /* Check for have_shadow changing */
-  if (event->atom == compositor->atom_metacity_window_have_shadow)
-    {
-      MetaCompWindow *cw = find_window_in_display (display, event->window);
-      gulong value;
-
-      if (!cw)
-        {
-          /* Applications can set this for their toplevel windows, so
-           * this must be propagated to the window managed by the compositor
-           */
-          cw = find_window_for_child_window_in_display (display, event->window);
-        }
-
-      if (!cw)
-        return;
-
-      if (meta_prop_get_cardinal (display, event->window,
-                                  compositor->atom_metacity_window_have_shadow,
-                                  &value) == FALSE)
-        value = 1;
-
-      cw->have_shadow = (gboolean) value;
-
-      determine_mode (display, cw->screen, cw);
-      cw->needs_shadow = window_has_shadow (cw);
-
-      if (cw->shadow)
-        {
-          XRenderFreePicture (xdisplay, cw->shadow);
-          cw->shadow = None;
-        }
-
-      if (cw->extents)
-        XFixesDestroyRegion (xdisplay, cw->extents);
-      cw->extents = win_extents (cw);
-
-      cw->damaged = TRUE;
-#ifdef USE_IDLE_REPAINT
-      add_repair (display);
-#endif
-
-      return;
-    }
-
   /* Check for the opacity changing */
   if (event->atom == compositor->atom_net_wm_window_opacity) 
     {
@@ -3078,8 +3025,7 @@ meta_compositor_xrender_new (MetaDisplay *display)
     "_NET_WM_WINDOW_TYPE_SPLASH",
     "_NET_WM_WINDOW_TYPE_TOOLBAR",
     "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU",
-    "_NET_WM_WINDOW_TYPE_TOOLTIP",
-    "METACITY_WINDOW_HAVE_SHADOW",
+    "_NET_WM_WINDOW_TYPE_TOOLTIP"
   };
   Atom atoms[G_N_ELEMENTS(atom_names)];
   MetaCompositorXRender *xrc;
@@ -3112,7 +3058,6 @@ meta_compositor_xrender_new (MetaDisplay *display)
   xrc->atom_net_wm_window_type_toolbar = atoms[12];
   xrc->atom_net_wm_window_type_dropdown_menu = atoms[13];
   xrc->atom_net_wm_window_type_tooltip = atoms[14];
-  xrc->atom_metacity_window_have_shadow = atoms[15];
   xrc->show_redraw = FALSE;
   xrc->debug = FALSE;