From 1aa8780d7b3bf0b4dd227946f0c6095b2c9e545e Mon Sep 17 00:00:00 2001 From: Daniel Colascione Date: Tue, 3 Mar 2020 18:27:51 -0800 Subject: [PATCH] Ignore spurious focus events * src/xterm.c (x_detect_focus_change): Ignore FocusIn and FocusOut events from grabs --- src/xterm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/xterm.c b/src/xterm.c index 21d99f0c7bb..5d229e4f524 100644 --- a/src/xterm.c +++ b/src/xterm.c @@ -4790,6 +4790,16 @@ x_detect_focus_change (struct x_display_info *dpyinfo, struct frame *frame, case FocusIn: case FocusOut: + /* Ignore transient focus events from hotkeys, window manager + gadgets, and other odd sources. Some buggy window managers + (e.g., Muffin 4.2.4) send FocusIn events of this type without + corresponding FocusOut events even when some other window + really has focus, and these kinds of focus event don't + correspond to real user input changes. GTK+ uses the same + filtering. */ + if (event->xfocus.mode == NotifyGrab || + event->xfocus.mode == NotifyUngrab) + return; x_focus_changed (event->type, (event->xfocus.detail == NotifyPointer ? FOCUS_IMPLICIT : FOCUS_EXPLICIT), -- 2.39.2