--- a/src/AboutDialogGraphicsView.cpp	Sun Sep 28 15:25:35 2008 +0000
+++ b/src/AboutDialogGraphicsView.cpp	Mon Sep 29 11:11:06 2008 +0000
@@ -1,196 +1,201 @@
-/***************************************************************************
-*   Copyright (C) 2006-2008 by Thomas Schweitzer                          *
-*   thomas-schweitzer(at)arcor.de                                         *
-*                                                                         *
-*   This program is free software; you can redistribute it and/or modify  *
-*   it under the terms of the GNU General Public License version 2.0 as   *
-*   published by the Free Software Foundation.                            *
-*                                                                         *
-*   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 General Public License for more details.                          *
-*                                                                         *
-*   You should have received a copy of the GNU General Public License     *
-*   along with this program in the file LICENSE.GPL; if not, write to the *
-*   Free Software Foundation, Inc.,                                       *
-*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
-***************************************************************************/
-#include <QtGui>
-#include "AboutDialogGraphicsView.h"
-
-/*!
-    \class AboutDialogGraphicsView
-    \brief A container for the real \a AboutDialog. Makes the 3D animation possible.
-    
-    The 3D animation shall suggest the user, that he is looking at his desktop, while
-    this animation is done. Since this is not directly possible, \a AboutDialogGraphicsView
-    when shown starts in frameless fullscreen mode with a screenshot of the desktop as background.
-*/
-
-/*!
-    \brief The constructor initializes everything needed for the 3D animation.
- */
-AboutDialogGraphicsView::AboutDialogGraphicsView(AboutDialog *aboutDialog, QWidget *parent) : QGraphicsView(parent) {
-    this->parent = parent;
-    setWindowFlags(Qt::SplashScreen);
-    //QRect geometryOfDesktopWhereUiGUIIs = QApplication::desktop()->availableGeometry( parent );
-    //QRect newGeometry = QRect( -1, -1, geometryOfDesktopWhereUiGUIIs.width()+2, geometryOfDesktopWhereUiGUIIs.height()+2 );
-    QRect newGeometry = QRect( -1, -1, QApplication::desktop()->rect().width()+2, QApplication::desktop()->rect().height()+2 );
-    setGeometry( newGeometry );
-    //setTransform(QTransform()
-    //    .translate(newGeometry.width() / 2, newGeometry.height() / 2));
-    //setWindowState(Qt::WindowFullScreen);
-
-    this->aboutDialog = aboutDialog;
-
-    firstRunOfAnimation = true;
-
-    scene = new QGraphicsScene(this);
-    setSceneRect( newGeometry );
-    aboutDialogAsSplashScreen = new QSplashScreen(this);
-    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
-    graphicsProxyWidget = scene->addWidget(aboutDialogAsSplashScreen);
-    graphicsProxyWidget->setWindowFlags( Qt::ToolTip );
-
-    setScene( scene );
-    setRenderHint(QPainter::Antialiasing);
-
-    setCacheMode(QGraphicsView::CacheBackground);
-    setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
-
-    connect(aboutDialog, SIGNAL(finished(int)), this, SLOT(hide()));
-
-    //setWindowOpacity(0.9);
-    
-    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-
-    timeLine = new QTimeLine(1000, this);
-    timeLine->setFrameRange(270, 0);
-    //timeLine->setUpdateInterval(10);
-    //timeLine->setCurveShape(QTimeLine::EaseInCurve);
-    connect(timeLine, SIGNAL(frameChanged(int)), this, SLOT(updateStep(int)));
-
-    windowBorderWidth = 0;
-    windowTitleBarWidth = parent->geometry().y() - parent->y();
-}
-
-
-AboutDialogGraphicsView::~AboutDialogGraphicsView(void) {
-}
-
-
-/*!
-    \brief Grabs a screenshot of the full desktop and shows that as background. Above that background the
-    AboutDialog 3D animation is shown. Also grabs the content of the AboutDialog itself.
- */
-void AboutDialogGraphicsView::show() {
-    QPixmap originalPixmap = QPixmap::grabWindow(QApplication::desktop()->winId(), 0, 0, geometry().width(), geometry().height() );
-    setBackgroundBrush(originalPixmap);
-
-    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
-    graphicsProxyWidget->setGeometry( aboutDialog->geometry() );
-    if ( firstRunOfAnimation ) {
-        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y()+windowTitleBarWidth);
-    } 
-    else {
-        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2+windowBorderWidth, parent->y()+windowTitleBarWidth);
-    }
-
-    QRectF r = graphicsProxyWidget->boundingRect();
-    graphicsProxyWidget->setTransform(QTransform()
-        .translate(r.width() / 2, -windowTitleBarWidth)
-        .rotate(270, Qt::XAxis)
-        //.rotate(90, Qt::YAxis)
-        //.rotate(5, Qt::ZAxis)
-        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
-        .translate(-r.width() / 2, windowTitleBarWidth));
-
-    graphicsProxyWidget->show();
-    //aboutDialogAsSplashScreen->show();
-    QGraphicsView::show();
-
-    connect(timeLine, SIGNAL(finished()), this, SLOT(showAboutDialog()));
-    timeLine->setDirection(QTimeLine::Forward);
-    timeLine->start();
-}
-
-
-/*!
-    \brief Does the next calculation/transformation step.
- */
-void AboutDialogGraphicsView::updateStep(int step)
-{
-    QRectF r = graphicsProxyWidget->boundingRect();
-    graphicsProxyWidget->setTransform(QTransform()
-        .translate(r.width() / 2, -windowTitleBarWidth)
-        .rotate(step, Qt::XAxis)
-        //.rotate(step, Qt::YAxis)
-        //.rotate(step * 5, Qt::ZAxis)
-        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
-        .translate(-r.width() / 2, windowTitleBarWidth));
-    //update();
-}
-
-
-/*!
-    \brief Stops the 3D animation, moves the AboutDialog to the correct place and really shows it.
- */
-void AboutDialogGraphicsView::showAboutDialog() {
-    //hide();
-    disconnect(timeLine, SIGNAL(finished()), this, SLOT(showAboutDialog()));
-    aboutDialog->move( int(parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2), parent->y()+windowTitleBarWidth );
-    aboutDialog->exec();
-}
-
-
-/*!
-    \brief Does not directly hide the AboutDialog but instead starts the "fade out" 3D animation.
- */
-void AboutDialogGraphicsView::hide() {
-    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
-    graphicsProxyWidget->setGeometry( aboutDialog->geometry() );
-    //if ( firstRunOfAnimation ) {
-        firstRunOfAnimation = false;
-    //    graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y());
-    //} 
-    //else {
-        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2+windowBorderWidth, parent->y()+windowTitleBarWidth);
-    //}
-
-    QRectF r = graphicsProxyWidget->boundingRect();
-    graphicsProxyWidget->setTransform(QTransform()
-        .translate(r.width() / 2, -windowTitleBarWidth)
-        .rotate(0, Qt::XAxis)
-        //.rotate(90, Qt::YAxis)
-        //.rotate(5, Qt::ZAxis)
-        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
-        .translate(-r.width() / 2, windowTitleBarWidth));
-
-    graphicsProxyWidget->show();
-    //aboutDialogAsSplashScreen->show();
-    QGraphicsView::show();
-
-    connect(timeLine, SIGNAL(finished()), this, SLOT(hideReally()));
-    timeLine->setDirection(QTimeLine::Backward);
-    timeLine->start();
-}
-
-
-/*!
-    \brief This slot really hides this AboutDialog container.
- */
-void AboutDialogGraphicsView::hideReally() {
-    disconnect(timeLine, SIGNAL(finished()), this, SLOT(hideReally()));
-    QGraphicsView::hide();
-}
-
-
-/*!
-    \brief Makes it possible to set the screen shot used for the animation.
- */
-//TODO: Test whether this function is really still needed. Not only for debug.
-void AboutDialogGraphicsView::setScreenshotPixmap(const QPixmap &screenShot) {
-    originalPixmap = screenShot;
-}
+/***************************************************************************
+*   Copyright (C) 2006-2008 by Thomas Schweitzer                          *
+*   thomas-schweitzer(at)arcor.de                                         *
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License version 2.0 as   *
+*   published by the Free Software Foundation.                            *
+*                                                                         *
+*   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 General Public License for more details.                          *
+*                                                                         *
+*   You should have received a copy of the GNU General Public License     *
+*   along with this program in the file LICENSE.GPL; if not, write to the *
+*   Free Software Foundation, Inc.,                                       *
+*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+***************************************************************************/
+#include <QtGui>
+#include "AboutDialogGraphicsView.h"
+
+/*!
+    \class AboutDialogGraphicsView
+    \brief A container for the real \a AboutDialog. Makes the 3D animation possible.
+    
+    The 3D animation shall suggest the user, that he is looking at his desktop, while
+    this animation is done. Since this is not directly possible, \a AboutDialogGraphicsView
+    when shown starts in frameless fullscreen mode with a screenshot of the desktop as background.
+*/
+
+/*!
+    \brief The constructor initializes everything needed for the 3D animation.
+ */
+AboutDialogGraphicsView::AboutDialogGraphicsView(AboutDialog *aboutDialog, QWidget *parent) : QGraphicsView(parent) {
+    this->parent = parent;
+    setWindowFlags(Qt::SplashScreen);
+
+#ifdef Q_OS_LINUX
+    QRect newGeometry = QRect( QApplication::desktop()->availableGeometry().x(), QApplication::desktop()->availableGeometry().y(), QApplication::desktop()->availableGeometry().width(), QApplication::desktop()->availableGeometry().height() );
+#else
+    QRect newGeometry = QRect( -1,-1, QApplication::desktop()->rect().width()+2, QApplication::desktop()->rect().height()+2 );
+#endif
+    setGeometry( newGeometry );
+
+    this->aboutDialog = aboutDialog;
+
+    firstRunOfAnimation = true;
+
+    scene = new QGraphicsScene(this);
+    setSceneRect( newGeometry );
+    aboutDialogAsSplashScreen = new QSplashScreen(this);
+    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
+    graphicsProxyWidget = scene->addWidget(aboutDialogAsSplashScreen);
+    graphicsProxyWidget->setWindowFlags( Qt::ToolTip );
+
+    setScene( scene );
+    setRenderHint(QPainter::Antialiasing);
+
+    setCacheMode(QGraphicsView::CacheBackground);
+    setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+
+    connect(aboutDialog, SIGNAL(finished(int)), this, SLOT(hide()));
+
+    //setWindowOpacity(0.9);
+    
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+    timeLine = new QTimeLine(1000, this);
+    timeLine->setFrameRange(270, 0);
+    //timeLine->setUpdateInterval(10);
+    //timeLine->setCurveShape(QTimeLine::EaseInCurve);
+    connect(timeLine, SIGNAL(frameChanged(int)), this, SLOT(updateStep(int)));
+}
+
+
+AboutDialogGraphicsView::~AboutDialogGraphicsView(void) {
+}
+
+
+/*!
+    \brief Grabs a screenshot of the full desktop and shows that as background. Above that background the
+    AboutDialog 3D animation is shown. Also grabs the content of the AboutDialog itself.
+ */
+void AboutDialogGraphicsView::show() {
+    // Because on X11 system the window decoration is only available after a widget has been shown once,
+    // we can detect windowTitleBarWidth here for the first time.
+    windowTitleBarWidth = parent->geometry().y() - parent->y();
+#ifdef Q_OS_LINUX
+    QPixmap originalPixmap = QPixmap::grabWindow(QApplication::desktop()->winId(), 0, 0, QApplication::desktop()->availableGeometry().width(), QApplication::desktop()->availableGeometry().height() );
+#else
+    QPixmap originalPixmap = QPixmap::grabWindow(QApplication::desktop()->winId(), 0, 0, geometry().width(), geometry().height() );
+#endif
+
+    setBackgroundBrush(originalPixmap);
+
+    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
+    graphicsProxyWidget->setGeometry( aboutDialog->geometry() );
+    if ( firstRunOfAnimation ) {
+        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y()+windowTitleBarWidth);
+    } 
+    else {
+        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y()+windowTitleBarWidth);
+    }
+
+    QRectF r = graphicsProxyWidget->boundingRect();
+    graphicsProxyWidget->setTransform(QTransform()
+        .translate(r.width() / 2, -windowTitleBarWidth)
+        .rotate(270, Qt::XAxis)
+        //.rotate(90, Qt::YAxis)
+        //.rotate(5, Qt::ZAxis)
+        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
+        .translate(-r.width() / 2, windowTitleBarWidth));
+
+    graphicsProxyWidget->show();
+    //aboutDialogAsSplashScreen->show();
+    QGraphicsView::show();
+
+    connect(timeLine, SIGNAL(finished()), this, SLOT(showAboutDialog()));
+    timeLine->setDirection(QTimeLine::Forward);
+    timeLine->start();
+}
+
+
+/*!
+    \brief Does the next calculation/transformation step.
+ */
+void AboutDialogGraphicsView::updateStep(int step)
+{
+    QRectF r = graphicsProxyWidget->boundingRect();
+    graphicsProxyWidget->setTransform(QTransform()
+        .translate(r.width() / 2, -windowTitleBarWidth)
+        .rotate(step, Qt::XAxis)
+        //.rotate(step, Qt::YAxis)
+        //.rotate(step * 5, Qt::ZAxis)
+        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
+        .translate(-r.width() / 2, windowTitleBarWidth));
+    //update();
+}
+
+
+/*!
+    \brief Stops the 3D animation, moves the AboutDialog to the correct place and really shows it.
+ */
+void AboutDialogGraphicsView::showAboutDialog() {
+    //hide();
+    disconnect(timeLine, SIGNAL(finished()), this, SLOT(showAboutDialog()));
+    aboutDialog->move( int(parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2), parent->y()+windowTitleBarWidth );
+    aboutDialog->exec();
+}
+
+
+/*!
+    \brief Does not directly hide the AboutDialog but instead starts the "fade out" 3D animation.
+ */
+void AboutDialogGraphicsView::hide() {
+    aboutDialogAsSplashScreen->setPixmap( QPixmap::grabWidget(aboutDialog) );
+    graphicsProxyWidget->setGeometry( aboutDialog->geometry() );
+    //if ( firstRunOfAnimation ) {
+        firstRunOfAnimation = false;
+    //    graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y());
+    //} 
+    //else {
+        graphicsProxyWidget->setPos( parent->geometry().x()+(parent->geometry().width()-graphicsProxyWidget->geometry().width()) / 2, parent->y()+windowTitleBarWidth);
+    //}
+
+    QRectF r = graphicsProxyWidget->boundingRect();
+    graphicsProxyWidget->setTransform(QTransform()
+        .translate(r.width() / 2, -windowTitleBarWidth)
+        .rotate(0, Qt::XAxis)
+        //.rotate(90, Qt::YAxis)
+        //.rotate(5, Qt::ZAxis)
+        //.scale(1 + 1.5 * step, 1 + 1.5 * step)
+        .translate(-r.width() / 2, windowTitleBarWidth));
+
+    graphicsProxyWidget->show();
+    //aboutDialogAsSplashScreen->show();
+    QGraphicsView::show();
+
+    connect(timeLine, SIGNAL(finished()), this, SLOT(hideReally()));
+    timeLine->setDirection(QTimeLine::Backward);
+    timeLine->start();
+}
+
+
+/*!
+    \brief This slot really hides this AboutDialog container.
+ */
+void AboutDialogGraphicsView::hideReally() {
+    disconnect(timeLine, SIGNAL(finished()), this, SLOT(hideReally()));
+    QGraphicsView::hide();
+}
+
+
+/*!
+    \brief Makes it possible to set the screen shot used for the animation.
+ */
+//TODO: Test whether this function is really still needed. Not only for debug.
+void AboutDialogGraphicsView::setScreenshotPixmap(const QPixmap &screenShot) {
+    originalPixmap = screenShot;
+}

--- a/src/AboutDialogGraphicsView.h	Sun Sep 28 15:25:35 2008 +0000
+++ b/src/AboutDialogGraphicsView.h	Mon Sep 29 11:11:06 2008 +0000
@@ -48,7 +48,6 @@
     QWidget *parent;
     QTimeLine *timeLine;
     QSplashScreen *aboutDialogAsSplashScreen;
-    int windowBorderWidth;
     int windowTitleBarWidth;
     bool firstRunOfAnimation;
 	QPixmap originalPixmap;