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90 lines
2.4 KiB
90 lines
2.4 KiB
/***************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org> |
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You can Freely distribute this program under the GNU General Public |
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License. See the file "COPYING" for the exact licensing terms. |
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******************************************************************/ |
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#include "demo_shakymove.h" |
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namespace KWin |
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{ |
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KWIN_EFFECT( demo_shakymove, ShakyMoveEffect ) |
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ShakyMoveEffect::ShakyMoveEffect() |
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{ |
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connect( &timer, SIGNAL( timeout()), SLOT( tick())); |
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} |
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static const int shaky_diff[] = { 0, 1, 2, 3, 2, 1, 0, -1, -2, -3, -2, -1 }; |
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static const int SHAKY_MAX = sizeof( shaky_diff ) / sizeof( shaky_diff[ 0 ] ); |
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void ShakyMoveEffect::prePaintScreen( ScreenPrePaintData& data, int time ) |
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{ |
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if( !windows.isEmpty()) |
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data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS; |
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effects->prePaintScreen( data, time ); |
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} |
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void ShakyMoveEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time ) |
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{ |
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if( windows.contains( w )) |
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data.setTransformed(); |
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effects->prePaintWindow( w, data, time ); |
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} |
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void ShakyMoveEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ) |
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{ |
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if( windows.contains( w )) |
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data.xTranslate += shaky_diff[ windows[ w ]]; |
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effects->paintWindow( w, mask, region, data ); |
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} |
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void ShakyMoveEffect::windowUserMovedResized( EffectWindow* c, bool first, bool last ) |
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{ |
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if( first ) |
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{ |
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if( windows.isEmpty()) |
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timer.start( 50 ); |
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windows[ c ] = 0; |
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} |
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else if( last ) |
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{ |
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windows.remove( c ); |
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// just repaint whole screen, transformation is involved |
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effects->addRepaintFull(); |
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if( windows.isEmpty()) |
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timer.stop(); |
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} |
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} |
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void ShakyMoveEffect::windowClosed( EffectWindow* c ) |
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{ |
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windows.remove( c ); |
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if( windows.isEmpty()) |
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timer.stop(); |
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} |
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// TODO use time provided with prePaintWindow() instead |
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void ShakyMoveEffect::tick() |
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{ |
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for( QHash< const EffectWindow*, int >::Iterator it = windows.begin(); |
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it != windows.end(); |
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++it ) |
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{ |
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if( *it == SHAKY_MAX - 1 ) |
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*it = 0; |
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else |
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++(*it); |
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// just repaint whole screen, transformation is involved |
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effects->addRepaintFull(); |
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} |
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} |
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} // namespace |
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#include "demo_shakymove.moc"
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