master c44068ac6c: * src/xterm.c (x_set_offset): Respect x-no-window-manager.

[Po Lu]

branch: master
commit c44068ac6c6f31a3b64ad19841d7f0385f624dae
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    * src/xterm.c (x_set_offset): Respect x-no-window-manager.
---
 src/xterm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/xterm.c b/src/xterm.c
index 7b4a65e87f..e7222d35b3 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -24322,7 +24322,11 @@ x_set_offset (struct frame *f, int xoff, int yoff, int 
change_gravity)
 #endif
 
   /* 'x_sync_with_move' is too costly for dragging child frames.  */
-  if (!FRAME_PARENT_FRAME (f))
+  if (!FRAME_PARENT_FRAME (f)
+      /* If no window manager exists, just calling XSync will be
+        sufficient to ensure that the window geometry has been
+        updated.  */
+      && NILP (Vx_no_window_manager))
     {
       x_sync_with_move (f, f->left_pos, f->top_pos,
                        FRAME_DISPLAY_INFO (f)->wm_type == X_WMTYPE_UNKNOWN);