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List: kde-panel-devel
Subject: Re: Review Request: Support for transparent panel without composition
From: "David Nolden" <zwabel+reviewboard () gmail ! com>
Date: 2009-04-04 17:11:40
Message-ID: 20090404171140.23999.80 () localhost
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This is an automatically generated e-mail. To reply, visit:
http://reviewboard.kde.org/r/472/
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(Updated 2009-04-04 10:11:40.033070)
Review request for Plasma.
Changes
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Correct base dir, this time hopefully really. :)
Summary
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Many people can not, or do not want to use composition. A semi-transparent panel \
highly increases the appeal of a Desktop, and there currently is only very few plasma \
themes available that have a nice-looking panel without transparency enabled.
All other major linux Desktop-Environments support transparent panels without \
composition(KDE 3.x, GNOME, and others), and since usually the only thing that needs \
to be visible through the panel is the Desktop itself, using a composition-less \
approach does not have much disadvantage here.
Here's I'm proposing a patch to achieve this in a relatively clean way: The panel is \
painted and updated as if it was a plasmoid on the Desktop itself, grabbing the \
painted area plasma-internally directly from the underlying desktop-view. The \
corresponding area of the panel is updated whenever the desktop is repainted, which \
means that animated plasmoids partially hidden under the panel, animations like the \
desktop-fading, moving plasmoids partially under the panel, etc. "just work".
Result: A nice looking panel for everyone, less work for theme designers. Please \
don't leave those behind who don't want or can not use desktop composition!
(Note: If you try this out, it doesn't work with all themes, since some themes seem \
to have no alpha-information in the non-composition case).
Diffs (updated)
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trunk/KDE/kdebase/workspace/plasma/containments/panel/panel.h 940781
trunk/KDE/kdebase/workspace/plasma/containments/panel/panel.cpp 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/desktopview.h 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/desktopview.cpp 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/panelview.h 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/panelview.cpp 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/plasmaapp.h 940781
trunk/KDE/kdebase/workspace/plasma/shells/desktop/plasmaapp.cpp 940781
Diff: http://reviewboard.kde.org/r/472/diff
Testing
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Thanks,
David
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