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Viewing changes to kwin/effects/demo_shiftworkspaceup.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Riddell
  • Date: 2007-09-05 20:45:14 UTC
  • Revision ID: james.westby@ubuntu.com-20070905204514-632hhspl0nvrc84i
Tags: upstream-3.93.0
Import upstream version 3.93.0

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kwin/effects/demo_shiftworkspaceup.cpp
 
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/*****************************************************************
 
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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_shiftworkspaceup.h"
 
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namespace KWin
 
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{
 
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KWIN_EFFECT( demo_shiftworkspaceup, ShiftWorkspaceUpEffect )
 
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ShiftWorkspaceUpEffect::ShiftWorkspaceUpEffect()
 
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    : up( false )
 
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    , diff( 0 )
 
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    {
 
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    connect( &timer, SIGNAL( timeout()), SLOT( tick()));
 
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    timer.start( 2000 );
 
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    }
 
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void ShiftWorkspaceUpEffect::prePaintScreen( ScreenPrePaintData& data, int time )
 
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    {
 
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    if( up && diff < 1000 )
 
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        diff = qBound( 0, diff + time, 1000 ); // KDE3: note this differs from KCLAMP
 
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    if( !up && diff > 0 )
 
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        diff = qBound( 0, diff - time, 1000 );
 
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    if( diff != 0 )
 
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        data.mask |= PAINT_SCREEN_TRANSFORMED;
 
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    effects->prePaintScreen( data, time );
 
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    }
 
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void ShiftWorkspaceUpEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
 
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    {
 
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    if( diff != 0 )
 
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        data.yTranslate -= diff / 100;
 
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    effects->paintScreen( mask, region, data );
 
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    }
 
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void ShiftWorkspaceUpEffect::postPaintScreen()
 
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    {
 
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    if( up ? diff < 1000 : diff > 0 )
 
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        effects->addRepaintFull(); // trigger next animation repaint
 
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    effects->postPaintScreen();
 
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    }
 
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void ShiftWorkspaceUpEffect::tick()
 
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    {
 
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    up = !up;
 
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    effects->addRepaintFull();
 
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    }
 
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} // namespace
 
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#include "demo_shiftworkspaceup.moc"