Fix last change for GTK 2

* src/xfns.c (x_set_alpha_background):
* src/xterm.c (x_update_opaque_region): Move some ifdefs around.

2 files changed, 13 insertions, 1 deletions

diff --git a/src/xfns.c b/src/xfns.c
index 9ceba98f67d..c7e2984ce13 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -732,7 +732,7 @@ x_set_alpha_background (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
 {
   unsigned long opaque_region[] = {0, 0, FRAME_PIXEL_WIDTH (f),
                                    FRAME_PIXEL_HEIGHT (f)};
-#ifdef USE_GTK
+#ifdef HAVE_GTK3
   GObjectClass *object_class;
   GtkWidgetClass *class;
 #endif
diff --git a/src/xterm.c b/src/xterm.c
index b5b2fe32947..c4652c19c66 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -3790,6 +3790,10 @@ x_update_opaque_region (struct frame *f, XEvent *configure)
                                    (configure
                                     ? configure->xconfigure.height
                                     : FRAME_PIXEL_HEIGHT (f))};
+#ifdef HAVE_GTK3
+  GObjectClass *object_class;
+  GtkWidgetClass *class;
+#endif
 
   if (!FRAME_DISPLAY_INFO (f)->alpha_bits)
     return;
@@ -3815,6 +3819,14 @@ x_update_opaque_region (struct frame *f, XEvent *configure)
                      FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
                      XA_CARDINAL, 32, PropModeReplace,
                      (unsigned char *) &opaque_region, 4);
+  else
+    {
+      object_class = G_OBJECT_GET_CLASS (FRAME_GTK_OUTER_WIDGET (f));
+      class = GTK_WIDGET_CLASS (object_class);
+
+      if (class->style_updated)
+        class->style_updated (FRAME_GTK_OUTER_WIDGET (f));
+    }
 #endif
   unblock_input ();
 }