347 lines
7.9 KiB
C++
347 lines
7.9 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 "effects.h"
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#include "toplevel.h"
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#include "client.h"
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#include "scene.h"
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namespace KWinInternal
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{
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//****************************************
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// Matrix
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//****************************************
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Matrix::Matrix()
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{
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m[ 0 ][ 0 ] = 1;
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m[ 0 ][ 1 ] = 0;
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m[ 0 ][ 2 ] = 0;
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m[ 0 ][ 3 ] = 0;
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m[ 1 ][ 0 ] = 0;
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m[ 1 ][ 1 ] = 1;
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m[ 1 ][ 2 ] = 0;
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m[ 1 ][ 3 ] = 0;
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m[ 2 ][ 0 ] = 0;
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m[ 2 ][ 1 ] = 0;
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m[ 2 ][ 2 ] = 1;
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m[ 2 ][ 3 ] = 0;
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m[ 3 ][ 0 ] = 0;
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m[ 3 ][ 1 ] = 0;
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m[ 3 ][ 2 ] = 0;
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m[ 3 ][ 3 ] = 1;
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}
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Matrix operator*( const Matrix& m1, const Matrix& m2 )
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{
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Matrix r;
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for( int i = 0;
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i < 4;
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++i )
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for( int j = 0;
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j < 4;
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++j )
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{
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double s = 0;
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for( int k = 0;
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k < 4;
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++k )
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s += m1.m[ k ][ j ] * m2.m[ i ][ k ];
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r.m[ i ][ j ] = s;
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}
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return r;
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}
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bool Matrix::isIdentity() const
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{
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return m[ 0 ][ 0 ] == 1
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&& m[ 0 ][ 1 ] == 0
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&& m[ 0 ][ 2 ] == 0
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&& m[ 0 ][ 3 ] == 0
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&& m[ 1 ][ 0 ] == 0
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&& m[ 1 ][ 1 ] == 1
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&& m[ 1 ][ 2 ] == 0
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&& m[ 1 ][ 3 ] == 0
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&& m[ 2 ][ 0 ] == 0
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&& m[ 2 ][ 1 ] == 0
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&& m[ 2 ][ 2 ] == 1
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&& m[ 2 ][ 3 ] == 0
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&& m[ 3 ][ 0 ] == 0
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&& m[ 3 ][ 1 ] == 0
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&& m[ 3 ][ 2 ] == 0
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&& m[ 3 ][ 3 ] == 1;
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}
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bool Matrix::isOnlyTranslate() const
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{
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return m[ 0 ][ 0 ] == 1
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&& m[ 0 ][ 1 ] == 0
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&& m[ 0 ][ 2 ] == 0
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// && m[ 0 ][ 3 ] ==
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&& m[ 1 ][ 0 ] == 0
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&& m[ 1 ][ 1 ] == 1
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&& m[ 1 ][ 2 ] == 0
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// && m[ 1 ][ 3 ] ==
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&& m[ 2 ][ 0 ] == 0
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&& m[ 2 ][ 1 ] == 0
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&& m[ 2 ][ 2 ] == 1
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// && m[ 2 ][ 3 ] ==
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&& m[ 3 ][ 0 ] == 0
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&& m[ 3 ][ 1 ] == 0
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&& m[ 3 ][ 2 ] == 0
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&& m[ 3 ][ 3 ] == 1;
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}
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QPoint Matrix::transform( const QPoint& p ) const
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{
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int vec[ 4 ] = { p.x(), p.y(), 0, 1 };
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int res[ 4 ];
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for( int i = 0;
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i < 4;
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++i )
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{
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double s = 0;
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for( int j = 0;
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j < 4;
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++j )
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s += m[ i ][ j ] * vec[ j ];
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res[ i ] = int( s );
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}
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return QPoint( res[ 0 ], res[ 1 ] );
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}
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//****************************************
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// Effect
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//****************************************
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Effect::~Effect()
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{
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}
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void Effect::windowUserMovedResized( Toplevel* , bool, bool )
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{
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}
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void Effect::transformWindow( Toplevel*, Matrix&, EffectData& )
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{
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}
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void Effect::transformWorkspace( Matrix&, EffectData& )
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{
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}
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void Effect::windowDeleted( Toplevel* )
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{
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}
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void MakeHalfTransparent::transformWindow( Toplevel* c, Matrix&, EffectData& data )
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{
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if( c->isDialog())
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data.opacity *= 0.8;
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if( Client* c2 = dynamic_cast< Client* >( c ))
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if( c2->isMove() || c2->isResize())
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data.opacity *= 0.5;
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}
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void MakeHalfTransparent::windowUserMovedResized( Toplevel* c, bool first, bool last )
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{
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if( first || last )
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c->addDamage( c->rect());
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}
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ShakyMove::ShakyMove()
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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 ShakyMove::transformWindow( Toplevel* c, Matrix& matrix, EffectData& )
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{
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if( windows.contains( c ))
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{
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Matrix m;
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m.m[ 0 ][ 3 ] = shaky_diff[ windows[ c ]];
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matrix *= m;
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}
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}
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void ShakyMove::windowUserMovedResized( Toplevel* 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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// TODO just damage whole screen, transformation is involved
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c->workspace()->addDamage( c->geometry().adjusted( -3, 7, 0, 0 ));
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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 ShakyMove::windowDeleted( Toplevel* 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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void ShakyMove::tick()
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{
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for( QMap< Toplevel*, 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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// TODO damage whole screen, transformation is involved
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it.key()->workspace()->addDamage( it.key()->geometry().adjusted( -1, 2, 0, 0 ));
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}
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}
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void GrowMove::transformWindow( Toplevel* c, Matrix& matrix, EffectData& )
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{
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if( Client* c2 = dynamic_cast< Client* >( c ))
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if( c2->isMove())
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{
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Matrix m;
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m.m[ 0 ][ 0 ] = 1.2;
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m.m[ 1 ][ 1 ] = 1.4;
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matrix *= m;
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}
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}
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void GrowMove::windowUserMovedResized( Toplevel* c, bool first, bool last )
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{
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if( first || last )
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{
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// TODO damage whole screen, transformation is involved
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c->workspace()->addDamage( c->geometry());
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}
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}
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ShiftWorkspaceUp::ShiftWorkspaceUp( Workspace* ws )
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: up( false )
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, wspace( ws )
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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 ShiftWorkspaceUp::transformWorkspace( Matrix& matrix, EffectData& )
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{
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if( !up )
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return;
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Matrix m;
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m.m[ 1 ][ 3 ] = -10;
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matrix *= m;
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}
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void ShiftWorkspaceUp::tick()
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{
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up = !up;
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wspace->addDamage( 0, 0, displayWidth(), displayHeight());
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}
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static MakeHalfTransparent* mht;
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static ShakyMove* sm;
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static GrowMove* gm;
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static ShiftWorkspaceUp* swu;
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//****************************************
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// EffectsHandler
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//****************************************
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EffectsHandler::EffectsHandler( Workspace* ws )
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{
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if( !compositing())
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return;
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// mht = new MakeHalfTransparent;
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// sm = new ShakyMove;
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// gm = new GrowMove;
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// swu = new ShiftWorkspaceUp( ws );
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}
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EffectsHandler::~EffectsHandler()
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{
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delete mht;
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mht = NULL;
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delete sm;
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sm = NULL;
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delete gm;
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gm = NULL;
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delete swu;
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swu = NULL;
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}
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void EffectsHandler::windowUserMovedResized( Toplevel* c, bool first, bool last )
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{
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if( mht )
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mht->windowUserMovedResized( c, first, last );
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if( sm )
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sm->windowUserMovedResized( c, first, last );
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if( gm )
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gm->windowUserMovedResized( c, first, last );
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if( swu )
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swu->windowUserMovedResized( c, first, last );
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}
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void EffectsHandler::transformWindow( Toplevel* c, Matrix& matrix, EffectData& data )
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{
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if( mht )
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mht->transformWindow( c, matrix, data );
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if( sm )
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sm->transformWindow( c, matrix, data );
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if( gm )
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gm->transformWindow( c, matrix, data );
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if( swu )
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swu->transformWindow( c, matrix, data );
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}
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void EffectsHandler::transformWorkspace( Matrix& matrix, EffectData& data )
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{
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if( mht )
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mht->transformWorkspace( matrix, data );
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if( sm )
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sm->transformWorkspace( matrix, data );
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if( gm )
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gm->transformWorkspace( matrix, data );
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if( swu )
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swu->transformWorkspace( matrix, data );
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}
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void EffectsHandler::windowDeleted( Toplevel* c )
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{
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if( mht )
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mht->windowDeleted( c );
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if( sm )
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sm->windowDeleted( c );
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if( gm )
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gm->windowDeleted( c );
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if( swu )
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swu->windowDeleted( c );
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}
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EffectsHandler* effects;
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} // namespace
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#include "effects.moc"
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