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bug#19972: Font size change doesn't update (window-total-width)


From: Eli Zaretskii
Subject: bug#19972: Font size change doesn't update (window-total-width)
Date: Thu, 05 Mar 2015 22:22:38 +0200

> Date: Thu, 05 Mar 2015 19:14:39 +0100
> From: martin rudalics <address@hidden>
> CC: address@hidden, address@hidden, address@hidden
> 
> Suppose an application wants to add 5 lines and 5 columns to a frame.
> It can do that in one call
> 
> (set-frame-size nil (+ (frame-width) 5) (+ (frame-height) 5))
> 
> or via
> 
> (progn
>    (set-frame-width nil (+ (frame-width) 5))
>    (set-frame-height nil (+ (frame-height) 5)))
> 
> I suppose that most people would consider these forms idempotent.
> 
> However, before the fix, `set-frame-height' could fail because Emacs has
> to tell Windows (via AdjustWindowRect) what the desired window width is.
> But the width Emacs knows about at that time is still that from before
> the `set-frame-width' call.

Did we try back then to sleep a few tens of milliseconds after each
such call?





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