From: Philipp Stephani <phst@google.com>
Date: Sun, 27 Aug 2017 10:45:52 +0000 (+0200)
Subject: Don't attempt to disable double buffering in newer GTK+ versions
X-Git-Tag: emacs-27.0.90~6303
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c0af83b6ccf2dab9a515dd7f52eb9d4500275ae3;p=emacs.git

Don't attempt to disable double buffering in newer GTK+ versions

* src/gtkutil.c (xg_create_frame_widgets): Stop calling deprecated
function gtk_widget_set_double_buffered.
---

diff --git a/src/gtkutil.c b/src/gtkutil.c
index b98b0d08e7a..8ecbc5c91ed 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1233,12 +1233,14 @@ xg_create_frame_widgets (struct frame *f)
   if (FRAME_EXTERNAL_TOOL_BAR (f))
     update_frame_tool_bar (f);
 
+#if ! GTK_CHECK_VERSION (3, 14, 0)
   /* We don't want this widget double buffered, because we draw on it
      with regular X drawing primitives, so from a GTK/GDK point of
      view, the widget is totally blank.  When an expose comes, this
      will make the widget blank, and then Emacs redraws it.  This flickers
      a lot, so we turn off double buffering.  */
   gtk_widget_set_double_buffered (wfixed, FALSE);
+#endif
 
 #if ! GTK_CHECK_VERSION (3, 22, 0)
   gtk_window_set_wmclass (GTK_WINDOW (wtop),