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+/*
+ *
+ * $Id: k3bjobprogressosd_mod.cpp,v 1.5 2007/05/29 21:44:25 hoganrobert Exp $
+ * Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2005 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This program 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.
+ * See the file "COPYING" for the exact licensing terms.
+ *
+ * Some minor changes for KlamAV:
+ * Copyright (C) 2006 by Robert Hogan *
+ * robert@roberthogan.net *
+ * *
+ */
+
+#include "k3bjobprogressosd_mod.h"
+
+
+#include <kwin.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+#include <kcursor.h>
+#include <kconfig.h>
+#include <klocale.h>
+#include <kpopupmenu.h>
+
+#include <qpixmap.h>
+#include <qpainter.h>
+#include <qapplication.h>
+
+#include <X11/Xlib.h>
+
+
+K3bJobProgressOSD::K3bJobProgressOSD( QWidget* parent, const char* name )
+ : QWidget( parent, name, WType_TopLevel | WNoAutoErase | WStyle_Customize | WX11BypassWM | WStyle_StaysOnTop ),
+ m_dirty(true),
+ m_dragging(false),
+ m_screen(0),
+ m_position(s_outerMargin, s_outerMargin)
+{
+ setFocusPolicy( NoFocus );
+ setBackgroundMode( NoBackground );
+
+ // dummy size
+ resize( 20, 20 );
+
+ // make sure we are always visible
+ KWin::setOnAllDesktops( winId(), true );
+}
+
+
+K3bJobProgressOSD::~K3bJobProgressOSD()
+{
+}
+
+
+void K3bJobProgressOSD::show()
+{
+ // start with 0 progress
+ setProgress(0);
+
+ if( m_dirty )
+ renderOSD();
+
+ QWidget::show();
+}
+
+
+void K3bJobProgressOSD::setText( const QString& text )
+{
+ if( m_text != text ) {
+ m_text = text;
+ refresh();
+ }
+}
+
+
+void K3bJobProgressOSD::setProgress( int p )
+{
+
+ if( m_progress != p ) {
+ m_progress = p;
+ refresh();
+ }
+}
+
+
+void K3bJobProgressOSD::setPosition( const QPoint& p )
+{
+ m_position = p;
+ reposition();
+}
+
+
+void K3bJobProgressOSD::refresh()
+{
+ if( isVisible() )
+ renderOSD();
+ else
+ m_dirty = true;
+}
+
+
+void K3bJobProgressOSD::renderOSD()
+{
+ // ----------------------------------------
+ // | Copying CD |
+ // | K3B ========== 40% |
+ // | |
+ // ----------------------------------------
+
+ // calculate needed size
+ QPixmap icon = KGlobal::iconLoader()->loadIcon( "klamav", KIcon::NoGroup, 32 );
+ int margin = 10;
+ int textWidth = fontMetrics().width( m_text );
+
+ // do not change the size everytime the text changes, just in case we are too small
+ QSize newSize( QMAX( QMAX( 2*margin + icon.width() + margin + textWidth, 100 ), width() ),
+ QMAX( 2*margin + icon.height(), 2*margin + fontMetrics().height()*2 ) );
+
+ m_osdBuffer.resize( newSize );
+ QPainter p( &m_osdBuffer );
+
+ p.setPen( Qt::black );
+
+ // draw the background and the frame
+ QRect thisRect( 0, 0, newSize.width(), newSize.height() );
+ p.fillRect( thisRect, Qt::white );
+ p.drawRect( thisRect );
+
+ // draw the k3b icon
+ p.drawPixmap( margin, (newSize.height()-icon.height())/2, icon );
+
+ // draw the text
+ QSize textSize = fontMetrics().size( 0, m_text );
+ int textX = 2*margin + icon.width();
+ int textY = margin + fontMetrics().ascent();
+ p.drawText( textX, textY, m_text );
+
+ // draw the progress
+ textY += fontMetrics().descent() + 4;
+ QRect progressRect( textX, textY, newSize.width()-textX-margin, newSize.height()-textY-margin );
+ p.drawRect( progressRect );
+ progressRect.setWidth( m_progress > 0 ? m_progress*progressRect.width()/100 : 0 );
+ p.fillRect( progressRect, Qt::black );
+
+ // reposition the osd
+ reposition( newSize );
+
+ m_dirty = false;
+
+ update();
+}
+
+
+void K3bJobProgressOSD::setScreen( int screen )
+{
+ const int n = QApplication::desktop()->numScreens();
+ m_screen = (screen >= n) ? n-1 : screen;
+ reposition();
+}
+
+
+void K3bJobProgressOSD::reposition( QSize newSize )
+{
+ if( !newSize.isValid() )
+ newSize = size();
+
+ QPoint newPos = m_position;
+ const QRect& screen = QApplication::desktop()->screenGeometry( m_screen );
+
+ // now to properly resize if put into one of the corners we interpret the position
+ // depending on the quadrant
+ int midH = screen.width()/2;
+ int midV = screen.height()/2;
+ if( newPos.x() > midH )
+ newPos.rx() -= newSize.width();
+ if( newPos.y() > midV )
+ newPos.ry() -= newSize.height();
+
+ newPos = fixupPosition( newPos );
+
+ // correct for screen position
+ newPos += screen.topLeft();
+
+ // ensure we are painted before we move
+ if( isVisible() )
+ paintEvent( 0 );
+
+ // fancy X11 move+resize, reduces visual artifacts
+ XMoveResizeWindow( x11Display(), winId(), newPos.x(), newPos.y(), newSize.width(), newSize.height() );
+}
+
+
+void K3bJobProgressOSD::paintEvent( QPaintEvent* )
+{
+ bitBlt( this, 0, 0, &m_osdBuffer );
+}
+
+
+void K3bJobProgressOSD::mousePressEvent( QMouseEvent* e )
+{
+ m_dragOffset = e->pos();
+
+ if( e->button() == LeftButton && !m_dragging ) {
+ grabMouse( KCursor::sizeAllCursor() );
+ m_dragging = true;
+ }
+ else if( e->button() == RightButton ) {
+ KPopupMenu m;
+ if( m.insertItem( i18n("Hide OSD") ) == m.exec( e->globalPos() ) )
+ hide();
+ }
+}
+
+
+void K3bJobProgressOSD::mouseReleaseEvent( QMouseEvent* )
+{
+ if( m_dragging ) {
+ m_dragging = false;
+ releaseMouse();
+ }
+}
+
+
+void K3bJobProgressOSD::mouseMoveEvent( QMouseEvent* e )
+{
+ if( m_dragging && this == mouseGrabber() ) {
+
+ // check if the osd has been dragged out of the current screen
+ int currentScreen = QApplication::desktop()->screenNumber( e->globalPos() );
+ if( currentScreen != -1 )
+ m_screen = currentScreen;
+
+ const QRect& screen = QApplication::desktop()->screenGeometry( m_screen );
+
+ // make sure the position is valid
+ m_position = fixupPosition( e->globalPos() - m_dragOffset - screen.topLeft() );
+
+ // move us to the new position
+ move( m_position );
+
+ // fix the position
+ int midH = screen.width()/2;
+ int midV = screen.height()/2;
+ if( m_position.x() + width() > midH )
+ m_position.rx() += width();
+ if( m_position.y() + height() > midV )
+ m_position.ry() += height();
+ }
+}
+
+
+QPoint K3bJobProgressOSD::fixupPosition( const QPoint& pp )
+{
+ QPoint p(pp);
+ const QRect& screen = QApplication::desktop()->screenGeometry( m_screen );
+ int maxY = screen.height() - height() - s_outerMargin;
+ int maxX = screen.width() - width() - s_outerMargin;
+
+ if( p.y() < s_outerMargin )
+ p.ry() = s_outerMargin;
+ else if( p.y() > maxY )
+ p.ry() = maxY;
+
+ if( p.x() < s_outerMargin )
+ p.rx() = s_outerMargin;
+ else if( p.x() > maxX )
+ p.rx() = screen.width() - s_outerMargin - width();
+
+ p += screen.topLeft();
+
+ return p;
+}
+
+
+void K3bJobProgressOSD::readSettings( KConfigBase* c )
+{
+ QString oldGroup = c->group();
+ c->setGroup( "KlamOSD Position" );
+
+ setPosition( c->readPointEntry( "Position", 0 ) );
+ setScreen( c->readNumEntry( "Screen", 0 ) );
+
+ c->setGroup( oldGroup );
+}
+
+
+void K3bJobProgressOSD::saveSettings( KConfigBase* c )
+{
+ QString oldGroup = c->group();
+ c->setGroup( "KlamOSD Position" );
+
+ c->writeEntry( "Position", m_position );
+ c->writeEntry( "Screen", m_screen );
+
+ c->setGroup( oldGroup );
+}
+
+#include "k3bjobprogressosd_mod.moc"
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