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List:       kde-bugs-dist
Subject:    [Bug 102295] New: Shading an emacs window causes X to consume a lot
From:       Christopher Neufeld <neufeld () linuxcare ! com>
Date:       2005-03-23 17:06:00
Message-ID: 20050323180559.102295.neufeld () linuxcare ! com
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http://bugs.kde.org/show_bug.cgi?id=102295         
           Summary: Shading an emacs window causes X to consume a lot of CPU
           Product: kdesktop
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: faure kde org
        ReportedBy: neufeld linuxcare com


Version:            (using KDE KDE 3.4.0)
Installed from:    Compiled From Sources
Compiler:          gcc 3.4.3 Compiler compiled from sources
OS:                Linux

I create an emacs window by clicking a panel button that executes the command:
emacs -font 7x13 -geometry 80x70 %f

This window acts normally, until I shade it by double-clicking on the title bar.  At \
that point, the window shades, but there is a fast flickering of the single-pixel \
height region between the title bar and the grab bar that has been pulled up to meet \
it.  My X server CPU load jumps to about 50% of my Thunderbird 1100.

If I unshade the window by double-clicking on the title bar again, it does not \
restore its former 80x70 geometry, but gives me an emacs window with an edit region \
only one line high.  The CPU load due to X remains high.  If I resize this emacs \
window with the bottom grab bar, the resize works as expected, and the CPU load drops \
back down to normal levels.


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