GNU bug report logs - #18720
25.0.50; `set-frame-size' reduces height instead of increases it, when set to larger value

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; `set-frame-size' reduces height instead of increases it,
 when set to larger value
Date: Tue, 14 Oct 2014 11:00:31 -0700 (PDT)

emacs -Q

Resize the frame using the mouse, so that the menu bar extends (is
wrapped) to be 3 lines.

(frame-height) ; ==> call it N

(set-frame-height nil (1+ N))

The frame height is *reduced* by one, not increased by one.

If the menu bar is wrapped to only 2 lines then the bug does not occur.

It does not matter what value option `frame-resize-pixelwise' has.
(And it should not matter - frame resizing should work regardless of its
value, with the only difference being the granularity - not the
direction - of resizing).

In GNU Emacs 25.0.50.1 (i686-pc-mingw32)
 of 2014-10-06 on LEG570
Bzr revision: 118063 monnier <at> iro.umontreal.ca-20141006174756-y7ha091r491l1ijw
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --enable-checking=yes,glyphs 'CFLAGS=-O0 -g3'
 CPPFLAGS=-DGLYPH_DEBUG=1'

Message #8 received at 18720 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>, 18720 <at> debbugs.gnu.org
Subject: Re: bug#18720: 25.0.50; `set-frame-size' reduces height instead of
 increases it, when set to larger value
Date: Tue, 21 Oct 2014 09:35:52 +0200

> emacs -Q
>
> Resize the frame using the mouse, so that the menu bar extends (is
> wrapped) to be 3 lines.
>
> (frame-height) ; ==> call it N
>
> (set-frame-height nil (1+ N))
>
> The frame height is *reduced* by one, not increased by one.

Should be fixed with revision 118172 on trunk.

> If the menu bar is wrapped to only 2 lines then the bug does not occur.

With a two lines menu bar here the frame height was reduced by one as
well.

> It does not matter what value option `frame-resize-pixelwise' has.
> (And it should not matter - frame resizing should work regardless of its
> value, with the only difference being the granularity - not the
> direction - of resizing).

This option is completely unrelated to the problem at hand.

Thanks, martin

Message #11 received at 18720 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: martin rudalics <rudalics <at> gmx.at>, 18720 <at> debbugs.gnu.org
Subject: RE: bug#18720: 25.0.50; `set-frame-size' reduces height instead of
 increases it, when set to larger value
Date: Tue, 21 Oct 2014 07:29:45 -0700 (PDT)

> Should be fixed with revision 118172 on trunk.
> 
>  > If the menu bar is wrapped to only 2 lines then the bug does not
>  > occur.
> 
> With a two lines menu bar here the frame height was reduced by one
> as well.

OK; that's in fact what I see in my setup.  But I could not repro it
from emacs -Q, for some reason.

(I replied to your msg about #15174 before reading this.  Great that
both are fixed. Thx.)

Message #16 received at 18720-done <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>, 18720-done <at> debbugs.gnu.org
Subject: Re: bug#18720: 25.0.50; `set-frame-size' reduces height instead of
 increases it, when set to larger value
Date: Wed, 31 Dec 2014 19:37:32 +0100

>> Should be fixed with revision 118172 on trunk.

Bug closed.

Thanks, martin

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