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bug#7296: display-pixel-height not enough

From: Jan Djärv
Subject: bug#7296: display-pixel-height not enough
Date: Tue, 02 Nov 2010 18:54:19 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

2010-11-02 15:53, Eli Zaretskii skrev:
Date: Tue, 02 Nov 2010 14:25:49 +0100
From: "Jan D."<address@hidden>

They are already implemented for X
Where?  Maybe I misunderstood, but my impression from this discussion
was that they aren't and actually the need for them and their utility
are debatable.

In xterm.c, do_ewmh_fullscreen.  I don't know why you say they are

Like I said, I probably misunderstood.  It's easy, what with all the
bikeshedding in this thread.

it is the only way to correctly make an Emacs frame full
height or full width or fullscreen or maximized.  It lets the WM do the
job, so Emacs doesn't need to count pixels and panels and taskbars and
autohide and whatever.

I think the only practical way of doing the same on Windows is to
exclude the area reserved for the task bar.  It could be that in a few
rare cases this will produce less pixels than are strictly possible.
So what are the objections to this (my original suggestion) at this
point?  To be 100% clear, I suggest:

   . on w32, return the dimensions sans the reserved part(s)
   . on other GUI platforms, no change from the current behavior

Besides the position thing, it makes it impossible do some tasks, calculating dpi was mentioned.

But the biggest objection is that users will find that on w32 they can create a frame that doesn't cover the taskbar. But when they run the same lisp code on X, it does cover the Gnome/KDE panels.

        Jan D.

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