kwin/effects/mousemark.cpp

100 lines
2.7 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "mousemark.h"
#include <config-X11.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kglobal.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <math.h>
#ifdef HAVE_OPENGL
#include <GL/gl.h>
#endif
#include <kdebug.h>
namespace KWin
{
KWIN_EFFECT( mousemark, MouseMarkEffect )
MouseMarkEffect::MouseMarkEffect()
{
KActionCollection* actionCollection = new KActionCollection( this );
KAction* a = static_cast< KAction* >( actionCollection->addAction( "ClearMouseMarks" ));
a->setText( i18n( "ClearMouseMarks" ));
a->setGlobalShortcut( KShortcut( Qt::SHIFT + Qt::META + Qt::Key_F11 ));
connect( a, SIGNAL( triggered( bool )), this, SLOT( clear()));
}
void MouseMarkEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
{
effects->paintScreen( mask, region, data ); // paint normal screen
if( marks.isEmpty() && drawing.isEmpty())
return;
glPushAttrib( GL_ENABLE_BIT | GL_CURRENT_BIT | GL_LINE_BIT );
glColor4f( 1, 0, 0, 1 ); // red
glEnable( GL_LINE_SMOOTH );
glLineWidth( 3 );
foreach( const Mark& mark, marks )
{
glBegin( GL_LINE_STRIP );
foreach( const QPoint& p, mark )
glVertex2i( p.x(), p.y());
glEnd();
}
if( !drawing.isEmpty())
{
glBegin( GL_LINE_STRIP );
foreach( const QPoint& p, drawing )
glVertex2i( p.x(), p.y());
glEnd();
}
glPopAttrib();
}
void MouseMarkEffect::mouseChanged( const QPoint& pos, const QPoint&,
Qt::MouseButtons, Qt::KeyboardModifiers modifiers )
{
if( modifiers == ( Qt::META | Qt::SHIFT )) // activated
{
if( drawing.isEmpty())
drawing.append( pos );
if( drawing.last() == pos )
return;
QPoint pos2 = drawing.last();
drawing.append( pos );
effects->addRepaint( QRect( qMin( pos.x(), pos2.x()), qMin( pos.y(), pos2.y()),
qMax( pos.x(), pos2.x()), qMax( pos.y(), pos2.y())));
}
else if( !drawing.isEmpty())
{
marks.append( drawing );
drawing.clear();
}
}
void MouseMarkEffect::clear()
{
drawing.clear();
marks.clear();
effects->addRepaintFull();
}
} // namespace
#include "mousemark.moc"