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author | Po Lu <luangruo@yahoo.com> | 2022-03-17 17:41:41 +0800 |
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committer | Po Lu <luangruo@yahoo.com> | 2022-03-17 17:41:41 +0800 |
commit | 140d7cc9cbb9da0a2494110105909b1cb8c92998 (patch) | |
tree | d6b8924ec99d0d3ef561dc04b074e4046ef7fe38 | |
parent | 51bf066b30131c8bcbc0592f1b7363bcecfee334 (diff) | |
download | emacs-140d7cc9cbb9da0a2494110105909b1cb8c92998.tar.gz |
Prevent invisible frames from acting as drag sources
* src/xterm.c (x_dnd_begin_drag_and_drop): Error out if f is
invisible. It makes no sense for an invisible frame to be a
drag source, so the function just hangs.
-rw-r--r-- | src/xterm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/xterm.c b/src/xterm.c index 1b0b3ef793f..6485374e2ae 100644 --- a/src/xterm.c +++ b/src/xterm.c @@ -1093,6 +1093,9 @@ x_dnd_begin_drag_and_drop (struct frame *f, Time time, Atom xaction, char *atom_name; Lisp_Object action, ltimestamp; + if (!FRAME_VISIBLE_P (f)) + error ("Frame is invisible"); + if (x_dnd_in_progress) error ("A drag-and-drop session is already in progress"); |