90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*****************************************************************
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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( int* mask, QRegion* region, int time )
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{
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if( !windows.isEmpty())
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*mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
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effects->prePaintScreen( mask, region, time );
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}
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void ShakyMoveEffect::prePaintWindow( EffectWindow* w, int* mask, QRegion* paint, QRegion* clip, int time )
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{
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if( windows.contains( w ))
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*mask |= PAINT_WINDOW_TRANSFORMED;
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effects->prePaintWindow( w, mask, paint, clip, 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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