GNU bug report logs - #25542
25.1; Restoring the frame from fullscreen to maximized

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Package: emacs;

Reported by: Dani Moncayo <dmoncayo <at> gmail.com>

Date: Thu, 26 Jan 2017 08:16:02 UTC

Severity: normal

Found in version 25.1

Done: Ken Brown <kbrown <at> cornell.edu>

Bug is archived. No further changes may be made.

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From: Ken Brown <kbrown <at> cornell.edu>
To: martin rudalics <rudalics <at> gmx.at>, Dani Moncayo <dmoncayo <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 25542 <at> debbugs.gnu.org, Noam Postavsky <npostavs <at> users.sourceforge.net>
Subject: bug#25542: 25.1; Restoring the frame from fullscreen to maximized
Date: Wed, 9 Sep 2020 14:19:37 -0400

On 9/9/2020 4:44 AM, martin rudalics wrote:
>  > I've just downloaded a native w32 build [1] and I've run it on my
>  > system (MS Windows 10 Enterprise). I see the same problem with this
>  > native build.
> 
> Can you please run under gdb with a breakpoint in w32fullscreen_hook of
> w32term.c suitably in here
> 
>        else if (f->want_fullscreen == FULLSCREEN_MAXIMIZED)
>      {
>        if (prev_fsmode == FULLSCREEN_BOTH || prev_fsmode == FULLSCREEN_WIDTH
>            || prev_fsmode == FULLSCREEN_HEIGHT)
>          /* Make window normal since otherwise the subsequent
>             maximization might fail in some cases.  */
>          ShowWindow (hwnd, SW_SHOWNORMAL);
>        ShowWindow (hwnd, SW_MAXIMIZE);
>      }
> 
> and tell us how the frame appears immediately after the ShowWindow
> calls.  Here the first call makes the frame appear with its "normal"
> size, the second one makes it appear maximized.

I just tried this on a Cygwin-w32 build from the master branch.  I put the 
taskbar on the left, started emacs, maximized it, attached gdb, put breakpoints 
at each of the ShowWindow lines, and ran through Dani's recipe for producing the 
bug.  The breakpoints were never hit.

Ken
This bug report was last modified 4 years and 258 days ago.

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