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/*
Copyright (C) 2003 Nadeem Hasan <nhasan@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or ( at your option ) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "regiongrabber.h"
#include <tqapplication.h>
#include <tqpainter.h>
#include <tqpalette.h>
#include <tqstyle.h>
#include <tqtimer.h>
#include <tqtooltip.h>
#include <kglobalsettings.h>
SizeTip::SizeTip( TQWidget *parent, const char *name )
: TQLabel( parent, name, WStyle_Customize | WX11BypassWM |
WStyle_StaysOnTop | WStyle_NoBorder | WStyle_Tool )
{
setMargin( 2 );
setIndent( 0 );
setFrameStyle( TQFrame::Plain | TQFrame::Box );
setPalette( TQToolTip::palette() );
}
void SizeTip::setTip( const TQRect &rect )
{
TQString tip = TQString( "%1x%2" ).arg( rect.width() )
.arg( rect.height() );
setText( tip );
adjustSize();
positionTip( rect );
}
void SizeTip::positionTip( const TQRect &rect )
{
TQRect tipRect = geometry();
tipRect.moveTopLeft( TQPoint( 0, 0 ) );
if ( rect.intersects( tipRect ) )
{
TQRect deskR = KGlobalSettings::desktopGeometry( TQPoint( 0, 0 ) );
tipRect.moveCenter( TQPoint( deskR.width()/2, deskR.height()/2 ) );
if ( !rect.contains( tipRect, true ) && rect.intersects( tipRect ) )
tipRect.moveBottomRight( geometry().bottomRight() );
}
move( tipRect.topLeft() );
}
RegionGrabber::RegionGrabber()
: TQWidget( 0, 0, WStyle_Customize | WX11BypassWM ),
mouseDown( false ), sizeTip( 0L )
{
sizeTip = new SizeTip( ( TQWidget * )0L );
tipTimer = new TQTimer( this );
connect( tipTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( updateSizeTip() ) );
TQTimer::singleShot( 200, this, TQT_SLOT( initGrabber() ) );
}
RegionGrabber::~RegionGrabber()
{
delete sizeTip;
}
void RegionGrabber::initGrabber()
{
pixmap = TQPixmap::grabWindow( qt_xrootwin() );
setPaletteBackgroundPixmap( pixmap );
TQDesktopWidget desktopWidget;
TQRect desktopSize;
if ( desktopWidget.isVirtualDesktop() )
desktopSize = desktopWidget.geometry();
else
desktopSize = desktopWidget.screenGeometry( qt_xrootwin() );
setGeometry( desktopSize );
showFullScreen();
TQApplication::setOverrideCursor( crossCursor );
}
void RegionGrabber::mousePressEvent( TQMouseEvent *e )
{
if ( e->button() == LeftButton )
{
mouseDown = true;
grabRect = TQRect( e->pos(), e->pos() );
}
}
void RegionGrabber::mouseMoveEvent( TQMouseEvent *e )
{
if ( mouseDown )
{
sizeTip->hide();
tipTimer->start( 250, true );
drawRubber();
grabRect.setBottomRight( e->pos() );
drawRubber();
}
}
void RegionGrabber::mouseReleaseEvent( TQMouseEvent *e )
{
mouseDown = false;
drawRubber();
sizeTip->hide();
grabRect.setBottomRight( e->pos() );
grabRect = grabRect.normalize();
TQPixmap region = TQPixmap::grabWindow( winId(), grabRect.x(), grabRect.y(),
grabRect.width(), grabRect.height() );
TQApplication::restoreOverrideCursor();
emit regionGrabbed( region );
}
void RegionGrabber::keyPressEvent( TQKeyEvent *e )
{
if ( e->key() == Key_Escape )
{
TQApplication::restoreOverrideCursor();
emit regionGrabbed( TQPixmap() );
}
else
e->ignore();
}
void RegionGrabber::updateSizeTip()
{
TQRect rect = grabRect.normalize();
sizeTip->setTip( rect );
sizeTip->show();
}
void RegionGrabber::drawRubber()
{
TQPainter p;
p.begin( this );
p.setRasterOp( NotROP );
p.setPen( TQPen( color0, 1 ) );
p.setBrush( NoBrush );
style().drawPrimitive( TQStyle::PE_FocusRect, &p, grabRect, colorGroup(),
TQStyle::Style_Default, TQStyleOption( colorGroup().base() ) );
p.end();
}
#include "regiongrabber.moc"
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