Tell to GTK3 that marco support _GTK_FRAME_EXTENTS hint

Also if marco doesnt support it, but this currently fixes ugly dialog windows with GTK 3.12

3 files changed, 11 insertions, 0 deletions

diff --git a/src/core/atomnames.h b/src/core/atomnames.h
index 756626c5..4893f270 100644
--- a/src/core/atomnames.h
+++ b/src/core/atomnames.h
@@ -70,6 +70,7 @@ item(MULTIPLE)
 item(TIMESTAMP)
 item(VERSION)
 item(ATOM_PAIR)
+item(_GTK_FRAME_EXTENTS)
 
 /* Oddities: These are used, and we need atoms for them,
  * but when we need all _NET_WM hints (i.e. when we're making
diff --git a/src/core/screen.c b/src/core/screen.c
index f52f382c..1804df94 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -102,6 +102,7 @@ set_supported_hint (MetaScreen *screen)
 #include "atomnames.h"
 #undef item
 #undef EWMH_ATOMS_ONLY
+    screen->display->atom__GTK_FRAME_EXTENTS,
   };
 
   XChangeProperty (screen->display->xdisplay, screen->xroot,
diff --git a/src/core/window-props.c b/src/core/window-props.c
index 08cc6630..0b51d4ba 100644
--- a/src/core/window-props.c
+++ b/src/core/window-props.c
@@ -216,6 +216,14 @@ reload_kwm_win_icon (MetaWindow    *window,
 }
 
 static void
+reload_gtk_frame_extents (MetaWindow    *window,
+                          MetaPropValue *value,
+                          gboolean       initial)
+{
+  return;
+}
+
+static void
 reload_struts (MetaWindow    *window,
                MetaPropValue *value,
                gboolean       initial)
@@ -1507,6 +1515,7 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
     { XA_WM_HINTS,                     META_PROP_VALUE_WM_HINTS,  reload_wm_hints },
     { XA_WM_TRANSIENT_FOR,             META_PROP_VALUE_WINDOW,    reload_transient_for },
     { display->atom__NET_WM_USER_TIME_WINDOW, META_PROP_VALUE_WINDOW, reload_net_wm_user_time_window },
+    { display->atom__GTK_FRAME_EXTENTS, META_PROP_VALUE_CARDINAL_LIST, reload_gtk_frame_extents },
     { 0 },
   };