[Konsole-devel] [Bug 183507] New: konsole (or desktop?) redraws slowly when has focus; especially when maximized

[Dmitry]

http://bugs.kde.org/show_bug.cgi?id=183507

           Summary: konsole (or desktop?) redraws slowly when has focus;
                    especially when maximized
           Product: konsole
           Version: 2.1
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: konsole-devel at kde.org
        ReportedBy: korvin at deeptown.org


Version:           2.1 (using 4.2.00 (KDE 4.2.0), Gentoo)
Compiler:          x86_64-pc-linux-gnu-gcc
OS:                Linux (x86_64) release 2.6.28-gentoo-r1

(I'm using composite extensions of Kwin)

The easiest way to reproduce this effect is the following:

- desktop1: open konsole and maximize it.
- desktop 2: open some other application (konqueror for example)
- switch to empty desktop 3 

Switching from desktop 3 to desktop 2 is almost immediate, whereas switching to
desktop 2 takes around 0.6 second. This delay exist almost every time.

Now open another window on desktop 2, system activity for example, so current
focused window is not konsole. Further switching from ome desktop to another is
also immediately.

And the least: focused, but not maximized konsole is performing fast. Maybe the
size of the window is making the case.

I noticed that time since konsole was last used is also affecting on it's
responsivity somehow.

P.S:  This effect is taking place ONLY with console. Switching between other
desktops (no matter how many windows are opened) is fast.


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