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bug#19482: Changing to big font cause display problem
From: |
张海君 |
Subject: |
bug#19482: Changing to big font cause display problem |
Date: |
Sun, 22 Feb 2015 18:54:51 +0800 |
> 在 2015年2月22日,18:00,martin rudalics <rudalics@gmx.at> 写道:
>
> It's far from trivial to accomplish though. Suppose you have some frame
> sizes H1xV1 and a default font size F1. Now you change the default font
> to F2 and would get the relative sizes H2xV2 where, however, V2 exceeds
> the size of your display. So we adjust V2 (and maybe H2 as well) to fit
> the frame into your display. Next you change the font size back to F1
> and probably expect to get the initial sizes H1 and V1 back. But the
> frame sizing code doesn't remember them ...
>
To me, I don't care about the initial sizes H1 and V1. Just try to keep the
*current* columns and lines.
Maybe we can add a new value like 'smart to the variable
frame-inhibit-implied-resize.
>
> And a final touch: On X and Windows I have a function called
> `x-frame-geometry' which, far from perfect, allows to retrieve the sizes
> of the part of a frame not managed by Emacs. I don't have such a
> function for the ns part of Emacs. But to tell whether a frame can be
> embedded into a display I need to know the size of the display and the
> sizes of the decorations added by the window manager. Could you write
> such a function for ns?
>
Sorry, I'm not familiar with object-c. I'm just a basic user of Mac.
> This contradicts what you said earlier, namely
>
> ----------------------------- (2) after issuing (set-frame-font
> "Menlo:size=30") ----------------------
> frame pixel: 1552 x 1194 cols/lines: 86 x 35 units: 18 x 34
> frame text pixel: 1530 x 1190 cols/lines: 85 x 35
> tool: 0 scroll: 0 fringe: 18 border: 2 right: 0 bottom: 0
>
> and
>
> My screen resolution is 1440x900.
>
> 1194 is certainly larger than 900 so you should either not see the title
> bar or not see the echo area. Can you clarify this issue? Some strange
> things seem to happen on Mac OS X.
That's the fact. Emacs doesn't know the real size of frame and is using a wrong
frame size.
This must be the cause of the display problem.
>
> And this seems to confirm what I said above: Restoring doesn't restore
> the previous height which should be 1194 but keeps the frame maximized
> vertically. This seems to be an idiosyncrasy of the Mac OS code and we
> should either find some reference (on the Web) where this behavior is
> described or some Mac OS expert reading this would be so kind to help us
> in this regard.
Yes.
>
> Indeed. The problem is to find out what the limits are.
>
>> So the frame's real size is not expected as emacs. Here emacs may get the
>> real size and use the real size.
>
> Emacs should get the size eventually. If you tried one of the Emacs 25
> "nightlies", you should be able to find a variable called
> `frame-size-history' there. We could use that variable to trace back
> the OS request and find out why Emacs doesn't process it correctly.
I will try the Emacs 25.
- bug#19482: Changing to big font cause display problem, (continued)
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/18
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/18
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/18
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/19
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/20
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/20
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/20
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/21
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/21
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/22
- bug#19482: Changing to big font cause display problem,
张海君 <=
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/22
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/22
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/22
- bug#19482: Changing to big font cause display problem, 张海君, 2015/02/22
- bug#19482: Changing to big font cause display problem, Jan D., 2015/02/22
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/22
- bug#19482: Changing to big font cause display problem, Jan D., 2015/02/22
- bug#19482: Changing to big font cause display problem, martin rudalics, 2015/02/22
- bug#19482: Changing to big font cause display problem, Jan D., 2015/02/23
- bug#19482: Changing to big font cause display problem, Jan D., 2015/02/24