GNU bug report logs - #55970
29.0.50; Emacs crashes when dragging the scroll bar with "--with-pgtk" and "--without-toolkit-scroll-bars" configure flags

Previous Next

Full log

View this message in rfc822 format

From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 55970 <at> debbugs.gnu.org, lumarzeli30 <at> gmail.com
Subject: bug#55970: 29.0.50; Emacs crashes when dragging the scroll bar with "--with-pgtk" and "--without-toolkit-scroll-bars" configure flags
Date: Wed, 15 Jun 2022 11:29:23 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> OK, but please explain how come the code in pgtk_send_scroll_bar_event
> leaves the modifiers unset, and that is still OK, notwithstanding the
> code in keyboard.c that expects either up or down modifier for any
> mouse click event?  Isn't that a bug regardless?

The mouse click code that expects an up or down modifier is only used
for scroll bar events when USE_TOOLKIT_SCROLL_BARS isn't defined.  The
code actually used with toolkit scroll bars starts at line 6359 of
keyboard.c.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.