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Re: modify-frame-parameters with floating point offsets

From: Robert Pluim
Subject: Re: modify-frame-parameters with floating point offsets
Date: Thu, 05 Apr 2018 16:07:39 +0200

martin rudalics <address@hidden> writes:

>> No, the left external border is very small. Itʼs certainly not 20
>> pixels wide.
> Then it's possible that your window manager tries to optimize things
> in various ways without telling you the whole story.  I can imagine
> that if an external border is usually 20 pixels wide, a window manager
> might decide that showing the entire border on the edge of the display
> is of no use and move the window to some negative position.  I would
> dislike such behavior because it would make it virtually impossible to
> orderly tile the screen.  In either case you would have to look at the
> sources of your window manager to tell what it really does.

Whatever itʼs doing, gdk seems to have it figured out. Calling eg
gdk_window_get_frame_extents inside frame_geometry gets me values that
look much more sensible, whereas x_real_pos_and_offsets claims thereʼs
a 20 pixel border thatʼs simply not there visually.


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