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Backport: Use the opacity of the window that a taskbar thumbnail is

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displayed on when displaying the thumbnail. This allows thumbnails to
fade in and out with the Plasma tooltip for example instead of always
being opaque.

svn path=/branches/KDE/4.2/kdebase/workspace/; revision=920578
This commit is contained in:
Lucas Murray 2009-02-03 09:47:06 +00:00
parent 0db7dbdc03
commit afa6071365
2 changed files with 10 additions and 5 deletions
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14
effects/taskbarthumbnail.cpp
View file

@ -67,18 +67,22 @@ void TaskbarThumbnailEffect::paintWindow( EffectWindow* w, int mask, QRegion reg
effects->paintWindow( w, mask, region, data ); // paint window first
if( thumbnails.contains( w ))
{ // paint thumbnails on it
int mask = PAINT_WINDOW_TRANSFORMED;
if( data.opacity == 1.0 )
mask |= PAINT_WINDOW_OPAQUE;
else
mask |= PAINT_WINDOW_TRANSLUCENT;
foreach( const Data &thumb, thumbnails.values( w ))
{
EffectWindow* thumbw = effects->findWindow( thumb.window );
if( thumbw == NULL )
continue;
WindowPaintData data( thumbw );
WindowPaintData thumbData( thumbw );
thumbData.opacity = data.opacity;
QRect r;
setPositionTransformations( data, r,
setPositionTransformations( thumbData, r,
thumbw, thumb.rect.translated( w->pos()), Qt::KeepAspectRatio );
effects->drawWindow( thumbw,
PAINT_WINDOW_OPAQUE | PAINT_WINDOW_TRANSFORMED,
r, data );
effects->drawWindow( thumbw, mask, r, thumbData );
}
}
}

1
effects/taskbarthumbnail.desktop
View file

@ -116,4 +116,5 @@ X-KDE-PluginInfo-Category=Appearance
X-KDE-PluginInfo-Depends=
X-KDE-PluginInfo-License=GPL
X-KDE-PluginInfo-EnabledByDefault=true
X-KDE-Ordering=70
X-KDE-Library=kwin4_effect_builtins