From: Po Lu <luangruo@yahoo.com>
Date: Sun, 12 Jun 2022 02:17:19 +0000 (+0800)
Subject: Use cached monitor info during DND if available
X-Git-Tag: emacs-29.0.90~1910^2~64
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=6aa8baaea1b872a9b770d680849b9b1b95eb2840;p=emacs.git

Use cached monitor info during DND if available

* src/xterm.c (x_dnd_begin_drag_and_drop): Use previously cached
monitor attributes if they exist.
---

diff --git a/src/xterm.c b/src/xterm.c
index f422fc9d401..e282856374d 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -10988,8 +10988,15 @@ x_dnd_begin_drag_and_drop (struct frame *f, Time time, Atom xaction,
 
   if (follow_tooltip)
     {
+#if defined HAVE_XRANDR || defined USE_GTK
       x_dnd_monitors
-	= Fx_display_monitor_attributes_list (frame);
+	= FRAME_DISPLAY_INFO (f)->last_monitor_attributes_list;
+
+      if (NILP (x_dnd_monitors))
+#endif
+	x_dnd_monitors
+	  = Fx_display_monitor_attributes_list (frame);
+
       record_unwind_protect_void (x_clear_dnd_monitors);
     }