1 files changed, 170 insertions, 0 deletions
diff --git a/krita/plugins/viewplugins/screenshot/regiongrabber.cpp b/krita/plugins/viewplugins/screenshot/regiongrabber.cpp
new file mode 100644
index 000000000..f42f6b941
--- /dev/null
+++ b/krita/plugins/viewplugins/screenshot/regiongrabber.cpp
@@ -0,0 +1,170 @@
+/*
+ * This file was copied from ksnapshot
+ *
+ * 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 Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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 program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "regiongrabber.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 ),
+    mouseDown( false ), sizeTip( 0L )
+{
+  sizeTip = new SizeTip( ( QWidget * )0L );
+
+  tipTimer = new QTimer( this );
+  Q_CHECK_PTR(tipTimer);
+  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 );
+
+  showFullScreen();
+
+  grabMouse( 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() );
+
+  releaseMouse();
+
+  emit regionGrabbed( region );
+}
+
+void RegionGrabber::keyPressEvent( QKeyEvent *e )
+{
+  if ( e->key() == Qt::Key_Escape )
+  {
+    releaseMouse();
+    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"