GNU bug report logs - #14049
24.3; set-frame-width didn't work in daemon mode

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: martin rudalics <rudalics <at> gmx.at>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#14056: closed (24.3; set-frame-height/width don't work when
 called first time on daemon mode)
Date: Fri, 22 Sep 2017 08:11:03 +0000

[Message part 1 (text/plain, inline)]

Your message dated Fri, 22 Sep 2017 10:10:02 +0200
with message-id <59C4C55A.1090104 <at> gmx.at>
and subject line Re: bug#14049: 24.3; set-frame-width didn't work in daemon mode
has caused the debbugs.gnu.org bug report #14049,
regarding 24.3; set-frame-height/width don't work when called first time on daemon mode
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
14049: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=14049
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Arthur Tu <arthur.jim.tu <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3; set-frame-height/width don't work when called first time on
	daemon mode
Date: Tue, 26 Mar 2013 20:05:26 +0800

Sorry I come up with this bug again.
I found that i can't reply to my previous bug report.

I have the following function added to after-frame-created-functions.
(defun my:set-frame-size (&optional frame)
  (interactive)
  (unless frame
    (setq (selected-frame) frame))
  (if (display-graphic-p)
      (progn
    (tool-bar-mode -1)
    (message "set frame size")

    ;; This should be an emacs bug.
    ;; i have to add a fake operation on frame here.
    ;; (set-frame-height frame 29)

    ;; for the height, subtract a couple hundred pixels
    ;; from the screen height (for panels, menubars and
    ;; whatnot), then divide by the height of a char to
    ;; get the height we want
    (set-frame-height frame
              (/ (- (x-display-pixel-height) 200)
                 (frame-char-height)))
    ;; use 120 char wide window for largeish displays
    ;; and smaller 80 column windows for smaller displays
    ;; pick whatever numbers make sense for you
    (if (> (x-display-pixel-width) 1280)
        (set-frame-width frame 120)
      (set-frame-width frame 80))
    )))
(add-hook after-frame-created-functions my:set-frame-size)

I have serveral experiments.

1. If i use the code shown before, after 'emacsclient -c -a ""', every
emacsclient frame can set width corrently and its height stay unchanged.

2. If i move the part of set width code before set height code, height can
be changed correctly while width can't.

3. If i add a fake (set-frame-height(or width) whatever), like that
commented by me, I can set both height and width.









In GNU Emacs 24.3.1 (i686-pc-cygwin)
 of 2013-03-11 on fiona
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure
 '--srcdir=/home/kbrown/src/cygemacs/emacs-24.3-1/src/emacs-24.3'
 '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin'
 '--sbindir=/usr/sbin' '--libexecdir=/usr/lib' '--datadir=/usr/share'
 '--localstatedir=/var' '--sysconfdir=/etc' '--datarootdir=/usr/share'
 '--docdir=/usr/share/doc/emacs' '-C' '--with-w32' 'CC=gcc'
 'CFLAGS=-ggdb -O2 -pipe
 -fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3-1/build=/usr/src/debug/emacs-24.3-1
 -fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3-1/src/emacs-24.3=/usr/src/debug/emacs-24.3-1'
 'LDFLAGS=-L/usr/lib/ncursesw' 'LIBS='
 'CPPFLAGS=-I/usr/include/ncursesw''

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  shell-dirtrack-mode: t
  cygwin-terminal-clipboard-mode: t
  yas-global-mode: t
  yas-minor-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  global-semanticdb-minor-mode: t
  global-semantic-idle-scheduler-mode: t
  semantic-mode: t
  global-ede-mode: t
  show-paren-mode: t
  global-linum-mode: t
  linum-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

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From: martin rudalics <rudalics <at> gmx.at>
To: 涂坚 <09300720307 <at> fudan.edu.cn>, 
 14049-done <at> debbugs.gnu.org
Subject: Re: bug#14049: 24.3; set-frame-width didn't work in daemon mode
Date: Fri, 22 Sep 2017 10:10:02 +0200

> I have the following lines in my .emacs file.
>
> (defun my:set-frame-size (&optional frame)
>    (interactive)
>    (if frame
>      (select-frame frame))
>    (if (display-graphic-p)
>        (progn
>      (tool-bar-mode -1)
>      ;; use 120 char wide window for largeish displays
>      ;; and smaller 80 column windows for smaller displays
>      ;; pick whatever numbers make sense for you
>      (if (> (x-display-pixel-width) 1280)
>          (set-frame-width (selected-frame) 120)
>        (set-frame-width (selected-frame) 80))
>      ;; for the height, subtract a couple hundred pixels
>      ;; from the screen height (for panels, menubars and
>      ;; whatnot), then divide by the height of a char to
>      ;; get the height we want
>      (set-frame-height (selected-frame)
>                (/ (- (x-display-pixel-height) 200)
>                   (frame-char-height)))
>      )))
>
> (add-hook 'after-make-frame-functions 'my:set-frame-size frame)
>
> However, if i invoke a normal emacs, and create a new frame, both
> set-frame-width and set-frame-height work well.
>
> But if i invoke emacs from 'emacsclient -c -a ""', set-frame-width
> didn't work. Width should be 120 instead of staying 80. (I have
> "server-start in the end of my .emacs")
>
> I tried to debug it and use message to print width out. Under both
> conditions, x-display-pixel-width is 1366 and (set-frame-width
> (selected-frame) 120) is excuted.
>
>
>
>
> In GNU Emacs 24.3.1 (i686-pc-cygwin)
>   of 2013-03-11 on fiona
> Windowing system distributor `Microsoft Corp.', version 6.1.7601

I have been looking into this (and the related 14056) now.  With a more
simple scenario using

(defun my-set-frame-size (&optional frame)
  (tool-bar-mode -1)
  (set-frame-width frame 30)
  (set-frame-height frame 10))

(add-hook 'after-make-frame-functions 'my-set-frame-size)

(server-start)

in the server Emacs, I can reproduce the bug for a 24.2.92.1 native
Windows build I happen to have around here.  For that build, the client
frame indeed does not support the requested height but uses the default
initial height instead.  I cannot reproduce the bug for any later build
I have here including one of 24.5.50.1.  So I suppose that the bug has
been fixed somewhere in between these two builds and mark this bug as
done.

Very belated thanks for the report, martin

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