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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /ksnapshot/regiongrabber.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'ksnapshot/regiongrabber.cpp')
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1 files changed, 177 insertions, 0 deletions
diff --git a/ksnapshot/regiongrabber.cpp b/ksnapshot/regiongrabber.cpp
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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 <qapplication.h>
+#include <qpainter.h>
+#include <qpalette.h>
+#include <qstyle.h>
+#include <qtimer.h>
+#include <qtooltip.h>
+
+#include <kglobalsettings.h>
+
+SizeTip::SizeTip( QWidget *parent, const char *name )
+ : QLabel( parent, name, WStyle_Customize | WX11BypassWM |
+ WStyle_StaysOnTop | WStyle_NoBorder | WStyle_Tool )
+{
+ setMargin( 2 );
+ setIndent( 0 );
+ setFrameStyle( QFrame::Plain | QFrame::Box );
+
+ setPalette( QToolTip::palette() );
+}
+
+void SizeTip::setTip( const QRect &rect )
+{
+ QString tip = QString( "%1x%2" ).arg( rect.width() )
+ .arg( rect.height() );
+
+ setText( tip );
+ adjustSize();
+
+ positionTip( rect );
+}
+
+void SizeTip::positionTip( const QRect &rect )
+{
+ QRect tipRect = geometry();
+ tipRect.moveTopLeft( QPoint( 0, 0 ) );
+
+ if ( rect.intersects( tipRect ) )
+ {
+ QRect deskR = KGlobalSettings::desktopGeometry( QPoint( 0, 0 ) );
+
+ tipRect.moveCenter( QPoint( deskR.width()/2, deskR.height()/2 ) );
+ if ( !rect.contains( tipRect, true ) && rect.intersects( tipRect ) )
+ tipRect.moveBottomRight( geometry().bottomRight() );
+ }
+
+ move( tipRect.topLeft() );
+}
+
+RegionGrabber::RegionGrabber()
+ : QWidget( 0, 0, WStyle_Customize | WX11BypassWM ),
+ mouseDown( false ), sizeTip( 0L )
+{
+ sizeTip = new SizeTip( ( QWidget * )0L );
+
+ tipTimer = new QTimer( this );
+ connect( tipTimer, SIGNAL( timeout() ), SLOT( updateSizeTip() ) );
+
+ QTimer::singleShot( 200, this, SLOT( initGrabber() ) );
+}
+
+RegionGrabber::~RegionGrabber()
+{
+ delete sizeTip;
+}
+
+void RegionGrabber::initGrabber()
+{
+ pixmap = QPixmap::grabWindow( qt_xrootwin() );
+ setPaletteBackgroundPixmap( pixmap );
+
+ QDesktopWidget desktopWidget;
+ QRect desktopSize;
+ if ( desktopWidget.isVirtualDesktop() )
+ desktopSize = desktopWidget.geometry();
+ else
+ desktopSize = desktopWidget.screenGeometry( qt_xrootwin() );
+
+ setGeometry( desktopSize );
+ showFullScreen();
+
+ QApplication::setOverrideCursor( crossCursor );
+}
+
+void RegionGrabber::mousePressEvent( QMouseEvent *e )
+{
+ if ( e->button() == LeftButton )
+ {
+ mouseDown = true;
+ grabRect = QRect( e->pos(), e->pos() );
+ }
+}
+
+void RegionGrabber::mouseMoveEvent( QMouseEvent *e )
+{
+ if ( mouseDown )
+ {
+ sizeTip->hide();
+ tipTimer->start( 250, true );
+
+ drawRubber();
+ grabRect.setBottomRight( e->pos() );
+ drawRubber();
+ }
+}
+
+void RegionGrabber::mouseReleaseEvent( QMouseEvent *e )
+{
+ mouseDown = false;
+ drawRubber();
+ sizeTip->hide();
+
+ grabRect.setBottomRight( e->pos() );
+ grabRect = grabRect.normalize();
+
+ QPixmap region = QPixmap::grabWindow( winId(), grabRect.x(), grabRect.y(),
+ grabRect.width(), grabRect.height() );
+
+ QApplication::restoreOverrideCursor();
+
+ emit regionGrabbed( region );
+}
+
+void RegionGrabber::keyPressEvent( QKeyEvent *e )
+{
+ if ( e->key() == Key_Escape )
+ {
+ QApplication::restoreOverrideCursor();
+ emit regionGrabbed( QPixmap() );
+ }
+ else
+ e->ignore();
+}
+
+void RegionGrabber::updateSizeTip()
+{
+ QRect rect = grabRect.normalize();
+
+ sizeTip->setTip( rect );
+ sizeTip->show();
+}
+
+void RegionGrabber::drawRubber()
+{
+ QPainter p;
+ p.begin( this );
+ p.setRasterOp( NotROP );
+ p.setPen( QPen( color0, 1 ) );
+ p.setBrush( NoBrush );
+
+ style().drawPrimitive( QStyle::PE_FocusRect, &p, grabRect, colorGroup(),
+ QStyle::Style_Default, QStyleOption( colorGroup().base() ) );
+
+ p.end();
+}
+
+#include "regiongrabber.moc"