Re:Re: Emacs's set-frame-size can not work well with gnome-shell?

[tumashu]

----------------------------------------------------------------
# in xfce4, gtk emacs
----------------------------------------------------------------
Frame size history of #<frame test child-frame 0x555960081020>
adjust-frame-size-1      (440 240 440 480) (height 1)
adjust-frame-size-2      (440 240 440 480) (nil nil)
xg-frame-set-char-size-3 (440 240 440 480) (456 480)
xg-frame-resized         (440 240 440 480) nil
adjust-frame-size-1      (440 240 440 480) (change-frame-size 5)
adjust-frame-size-3      (440 240 440 480) (456 240 456 480)
adjust-frame-size-1      (440 480 440 480) (height 1)

-----------------------------------------------------------------
# in gnome shell, gtk emacs
------------------------------------------------------------------
Frame size history of #<frame test child-frame 0x56253dbbf000>
adjust-frame-size-1      (440 240 440 480) (height 1)
adjust-frame-size-2      (440 240 440 480) (nil nil)
xg-frame-set-char-size-3 (440 240 440 480) (456 480)
















At 2020-01-23 01:35:50, "martin rudalics" <address@hidden> wrote:
> > All I'm saying, the users are not really helpful so far, so you might
> > be the best person to try debugging the perf problems with Lucid. I'd
> > try, but I don't have any.
>
>That was a misunderstanding.  All my debug builds here are too slow for
>normal editing.  I keep them all for testing purposes only.  Optimized
>builds have certain performance problems but these are not related to
>the use of child frames.
>
> > Aaand none of this helped either. Not all 3 hunks together, nor
> > combinations (2, 3), (3) or (1).
>
>(1) was a NOOP anyway.  I have to think of something better - the
>height specifications for GTK and other X builds are not compatible and
>break the behavior even on my build.  I should come up with something
>better.
>
>Till then please do the following.  With emacs -Q put this modified
>version of tumashu's code into *scratch*
>
>
>(defun open-test (buffer)
>   (display-buffer-in-child-frame
>    buffer '((child-frame-parameters
>              . ((width . 40)
>                 (height . 10)
>                 (top . 50)
>                 (left . 50)
>                 )))))
>
>(defun resize-test (frame)
>   (set-frame-height frame 20))
>
>(setq-local test-buffer (get-buffer-create "test child-frame"))
>(setq-local test-frame (window-frame (open-test test-buffer)))
>
>;; (eval-buffer)
>;; (setq frame-size-history '(100))
>;; (resize-test test-frame)
>;; (frame--size-history test-frame)
>;; (display-buffer "*frame-size-history*")
>
>
>and evaluate from top to bottom each of the commented out forms.  At the
>end this gets me a buffer like
>
>Frame size history of #<frame test child-frame 0x5636a0abf9a0>
>adjust-frame-size-1     (360 180 360 360) (height 1)
>adjust-frame-size-2     (360 180 360 360) (nil nil)
>xg-frame-set-char-size-3 (360 180 360 360) (390 360)
>xg-frame-resized        (360 180 360 360) nil
>adjust-frame-size-1     (360 180 360 360) (change-frame-size 5)
>adjust-frame-size-3     (360 180 360 360) (390 180 390 360)
>
>Please do this for the GTK and Lucid build.  And, replace the body of
>'resize-test' with your invisible, resize, visible trick and post the
>history for that case as well.
>
>Thanks, martin