tools/qvfb/qvfb.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qvfb/qvfb.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,1144 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qvfb.h"
+#include "qvfbview.h"
+#include "qvfbhdr.h"
+#ifdef Q_WS_X11
+#include "qvfbx11view.h"
+#endif
+#include "qvfbratedlg.h"
+#include "ui_config.h"
+#include "qanimationwriter.h"
+
+#include <deviceskin.h>
+
+#include <QMenuBar>
+#include <QMenu>
+#include <QApplication>
+#include <QMessageBox>
+#include <QComboBox>
+#include <QLabel>
+#include <QFileDialog>
+#include <QSlider>
+#include <QSpinBox>
+#include <QLayout>
+#include <QRadioButton>
+#include <QImage>
+#include <QPixmap>
+#include <QCheckBox>
+#include <QCursor>
+#include <QTime>
+#include <QScrollArea>
+#include <QProgressBar>
+#include <QPushButton>
+#include <QTextStream>
+#include <QFile>
+#include <QFileInfo>
+#include <QDebug>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+QT_BEGIN_NAMESPACE
+
+// =====================================================================
+
+static const char *red_on_led_xpm[] = {
+"11 11 10 1",
+" 	c None",
+".	c #FF0000",
+"+	c #FF4C4C",
+"@	c #FF7A7A",
+"#	c #D30000",
+"$	c #FF9393",
+"%	c #BA0000",
+"&	c #FFFFFF",
+"*	c #7F0000",
+"=	c #000000",
+"           ",
+"   .++@@   ",
+"  .....+@  ",
+" ##...$.+@ ",
+" %#..$&$.+ ",
+" *#...$..+ ",
+" *%#...... ",
+" =*%#..... ",
+"  =*%###.  ",
+"   ===*.   ",
+"           "};
+
+static const char *red_off_led_xpm[] = {
+"11 11 12 1",
+" 	c None",
+".	c #CDB7B4",
+"+	c #D2BFBD",
+"@	c #DBCBCA",
+"#	c #E5D9D8",
+"$	c #BC9E9B",
+"%	c #E2D6D5",
+"&	c #AD8986",
+"*	c #FFFFFF",
+"=	c #A8817D",
+"-	c #B2908D",
+";	c #6F4D4A",
+"           ",
+"   .++@#   ",
+"  .....@#  ",
+" $$...%.@# ",
+" &$..%*%.@ ",
+" =-...%..+ ",
+" =&-...... ",
+" ;==-..... ",
+"  ;=&-$$.  ",
+"   ;==&$   ",
+"           "};
+
+static bool copyButtonConfiguration(const QString &prefix, int displayId)
+{
+    const QString destDir = QT_VFB_DATADIR(displayId).append("/");
+    const QFileInfo src(prefix + QLatin1String("defaultbuttons.conf"));
+    const QFileInfo dst(destDir + QLatin1String("defaultbuttons.conf"));
+    unlink(dst.absoluteFilePath().toLatin1().constData());
+    if (!src.exists())
+        return false;
+    const bool rc = QFile::copy(src.absoluteFilePath(), dst.absoluteFilePath());
+    if (!rc)
+        qWarning() << "Failed to copy the button configuration file " << src.absoluteFilePath() << " to " <<  dst.absoluteFilePath() << '.';
+    return rc;
+}
+
+// =====================================================================
+
+class AnimationSaveWidget : public QWidget {
+    Q_OBJECT
+public:
+    AnimationSaveWidget(QVFbAbstractView *v);
+    ~AnimationSaveWidget();
+    bool detectPpmtoMpegCommand();
+    void timerEvent(QTimerEvent *te);
+    void convertToMpeg(QString filename);
+    void removeTemporaryFiles();
+protected slots:
+    void toggleRecord();
+    void reset();
+    void save();
+private:
+    QVFbAbstractView *view;
+    QProgressBar *progressBar;
+    QLabel *statusText;
+    bool haveMpeg, savingAsMpeg, recording;
+    QCheckBox *mpegSave;
+    QAnimationWriter *animation;
+    QPushButton *recBt, *resetBt, *saveBt;
+    QLabel *timeDpy, *recLED;
+    int timerId, progressTimerId;
+    QPixmap recOn, recOff;
+    QTime tm;
+    int elapsed, imageNum;
+};
+
+// =====================================================================
+
+Zoomer::Zoomer(QVFb* target) :
+    qvfb(target)
+{
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    QSlider *sl = new QSlider(Qt::Horizontal);
+    sl->setMinimum(10);
+    sl->setMaximum(64);
+    sl->setPageStep(1);
+    sl->setValue(32);
+    layout->addWidget(sl);
+    connect(sl,SIGNAL(valueChanged(int)),this,SLOT(zoom(int)));
+    label = new QLabel();
+    layout->addWidget(label);
+}
+
+void Zoomer::zoom(int z)
+{
+    double d = (double)z/32.0;
+    qvfb->setZoom(d);
+    label->setText(QString::number(d,'g',2));
+}
+
+// =====================================================================
+
+QVFb::QVFb( int display_id, int w, int h, int d, int r, const QString &skin, DisplayType displayType, QWidget *parent, Qt::WindowFlags flags )
+    : QMainWindow( parent, flags )
+{
+    this->displayType = displayType;
+    view = 0;
+    secondaryView = 0;
+    scroller = 0;
+    this->skin = 0;
+    currentSkinIndex = -1;
+    findSkins(skin);
+    zoomer = 0;
+    QPixmap pix(":/res/images/logo.png");
+    setWindowIcon( pix );
+    rateDlg = 0;
+    refreshRate = 30;
+    // Create the menu first to avoid scroll bars in the main window
+    createMenu( menuBar() );
+    init( display_id, w, h, d, r, skin );
+    enableCursor( true );
+}
+
+QVFb::~QVFb()
+{
+}
+
+void QVFb::popupMenu()
+{
+    QMenu *pm = new QMenu( this );
+    createMenu( pm );
+    pm->exec(QCursor::pos());
+}
+
+void QVFb::init( int display_id, int pw, int ph, int d, int r, const QString& skin_name )
+{
+    delete view;
+    view = 0;
+    delete secondaryView;
+    secondaryView = 0;
+    delete scroller;
+    scroller = 0;
+    delete skin;
+    skin = 0;
+
+    skinscaleH = skinscaleV = 1.0;
+    QVFbView::Rotation rot = ((r ==  90) ? QVFbView::Rot90  :
+			     ((r == 180) ? QVFbView::Rot180 :
+			     ((r == 270) ? QVFbView::Rot270 :
+					   QVFbView::Rot0 )));
+    if ( !skin_name.isEmpty() ) {
+	const bool vis = isVisible();
+	DeviceSkinParameters parameters;
+	QString readError;
+	if (parameters.read(skin_name,DeviceSkinParameters::ReadAll, &readError)) {
+	    skin = new DeviceSkin(parameters, this);
+	    connect(skin, SIGNAL(popupMenu()), this, SLOT(popupMenu()));
+	    const int sw = parameters.screenSize().width();
+	    const int sh = parameters.screenSize().height();
+	    const int sd = parameters.screenDepth;
+            if (!pw) pw = sw;
+            if (!ph) ph = sh;
+            if (d < 0) {
+                if (sd)
+                    d = sd;
+                else
+                    d = -d;
+            }
+            if (vis)
+                hide();
+    	    menuBar()->hide();
+	    scroller = 0;
+#ifdef Q_WS_X11
+	    if (displayType == X11)
+		view = new QVFbX11View( display_id, pw, ph, d, rot, skin );
+	    else
+#endif
+		view = new QVFbView( display_id, pw, ph, d, rot, skin );
+	    skin->setView( view );
+	    view->setContentsMargins( 0, 0, 0, 0 );
+            view->setTouchscreenEmulation(!parameters.hasMouseHover);
+	    connect(skin, SIGNAL(skinKeyPressEvent(int,QString,bool)), view, SLOT(skinKeyPressEvent(int,QString,bool)));
+	    connect(skin, SIGNAL(skinKeyReleaseEvent(int,QString,bool)), view, SLOT(skinKeyReleaseEvent(int,QString,bool)));
+
+	    copyButtonConfiguration(skin->prefix(), view->displayId());
+
+	    setCentralWidget( skin );
+	    adjustSize();
+	    skinscaleH = (double)sw/pw;
+	    skinscaleV = (double)sh/ph;
+	    if ( skinscaleH != 1.0 || skinscaleH != 1.0 )
+		setZoom(skinscaleH);
+	    view->show();
+
+            if (parameters.hasSecondaryScreen()) {
+                const QSize ssize = parameters.secondaryScreenSize();
+                // assumes same depth and rotation
+#ifdef Q_WS_X11
+		if (displayType == X11)
+		    secondaryView = new QVFbX11View( display_id+1, ssize.width(), ssize.height(), d, rot, skin );
+		else
+#endif
+		    secondaryView = new QVFbView( display_id+1, ssize.width(), ssize.height(), d, rot, skin );
+                skin->setSecondaryView(secondaryView);
+                secondaryView->show();
+            }
+
+	    if ( vis ) show();
+	} else {
+	    qWarning("%s", qPrintable(readError));
+	}
+    }
+
+    // If we failed to get a skin or we were not supplied
+    //	    with one then fallback to a framebuffer without
+    //	    a skin
+    if (!skin){
+	// Default values
+	if (!pw)
+            pw = 240;
+	if (!ph)
+            ph = 320;
+        if (!d)
+            d = 32;
+        else if (d < 0)
+            d = -d;
+
+     	if (currentSkinIndex != -1) {
+	    clearMask();
+            setParent( 0, 0 );
+            move( pos() );
+            show();
+	    //unset fixed size:
+	    setMinimumSize(0,0);
+	    setMaximumSize(QWIDGETSIZE_MAX,QWIDGETSIZE_MAX);
+	}
+	menuBar()->show();
+	scroller = new QScrollArea(this);
+	scroller->setFocusPolicy(Qt::NoFocus); // don't steal key events from the embedded app
+#ifdef Q_WS_X11
+	if (displayType == X11)
+	    view = new QVFbX11View( display_id, pw, ph, d, rot, scroller );
+	else
+#endif
+	    view = new QVFbView( display_id, pw, ph, d, rot, scroller );
+	scroller->setWidget(view);
+	view->setContentsMargins( 0, 0, 0, 0 );
+	setCentralWidget(scroller);
+	ph += 2;					// avoid scrollbar
+	scroller->show();
+	// delete defaultbuttons.conf if it was left behind...
+        unlink(QFileInfo(QT_VFB_DATADIR(view->displayId()).append("/defaultbuttons.conf")).absoluteFilePath().toLatin1().constData());
+        if (secondaryView)
+            unlink(QFileInfo(QT_VFB_DATADIR(view->displayId() + 1).append("/defaultbuttons.conf")).absoluteFilePath().toLatin1().constData());
+    }
+    view->setRate(refreshRate);
+    if (secondaryView) {
+        secondaryView->setRate(refreshRate);
+    }
+    // Resize QVFb to the new size
+    QSize newSize = view->sizeHint();
+
+    // ... fudge factor
+    newSize += QSize(20, 35);
+
+    resize(newSize);
+
+    setWindowTitle(QString("Virtual framebuffer %1x%2 %3bpp Display :%4 Rotate %5")
+               .arg(view->displayWidth()).arg(view->displayHeight())
+               .arg(d).arg(display_id).arg(r));
+}
+
+void QVFb::enableCursor( bool e )
+{
+    if ( skin && skin->hasCursor() ) {
+	view->setCursor( Qt::BlankCursor );
+        if (secondaryView)
+            secondaryView->setCursor( Qt::BlankCursor );
+    } else {
+	view->setCursor( e ? Qt::ArrowCursor : Qt::BlankCursor );
+        if (secondaryView)
+            secondaryView->setCursor( e ? Qt::ArrowCursor : Qt::BlankCursor );
+    }
+    cursorAction->setChecked( e );
+}
+
+template <typename T>
+void QVFb::createMenu(T *menu)
+{
+    menu->addMenu( createFileMenu() );
+    menu->addMenu( createViewMenu() );
+    menu->addSeparator();
+    menu->addMenu( createHelpMenu() );
+}
+
+QMenu* QVFb::createFileMenu()
+{
+    QMenu *file = new QMenu( "File", this );
+    file->addAction( "Configure...", this, SLOT(configure()), 0 );
+    file->addSeparator();
+    file->addAction( "&Save image...", this, SLOT(saveImage()), 0 );
+    file->addAction( "&Animation...", this, SLOT(toggleAnimation()), 0 );
+    file->addSeparator();
+    file->addAction( "&Quit", qApp, SLOT(quit()) );
+    return file;
+}
+
+QMenu* QVFb::createViewMenu()
+{
+    viewMenu = new QMenu( "View", this );
+    cursorAction = viewMenu->addAction( "Show &Cursor", this,
+                                        SLOT(toggleCursor()) );
+    cursorAction->setCheckable(true);
+    if ( view )
+	enableCursor(true);
+    viewMenu->addAction( "&Refresh Rate...", this, SLOT(changeRate()) );
+    viewMenu->addSeparator();
+    viewMenu->addAction( "No rotation", this, SLOT(setRot0()) );
+    viewMenu->addAction( "90\260 rotation", this, SLOT(setRot90()) );
+    viewMenu->addAction( "180\260 rotation", this, SLOT(setRot180()) );
+    viewMenu->addAction( "270\260 rotation", this, SLOT(setRot270()) );
+    viewMenu->addSeparator();
+    viewMenu->addAction( "Zoom scale &0.5", this, SLOT(setZoomHalf()) );
+    viewMenu->addAction( "Zoom scale 0.75", this, SLOT(setZoom075()) );
+    viewMenu->addAction( "Zoom scale &1", this, SLOT(setZoom1()) );
+    viewMenu->addAction( "Zoom scale &2", this, SLOT(setZoom2()) );
+    viewMenu->addAction( "Zoom scale &3", this, SLOT(setZoom3()) );
+    viewMenu->addAction( "Zoom scale &4", this, SLOT(setZoom4()) );
+    viewMenu->addSeparator();
+    viewMenu->addAction( "Zoom scale...", this, SLOT(setZoom()) );
+    return viewMenu;
+}
+
+
+QMenu* QVFb::createHelpMenu()
+{
+    QMenu *help = new QMenu( "Help", this );
+    help->addAction("About...", this, SLOT(about()));
+    return help;
+}
+
+void QVFb::setZoom(double z)
+{
+    view->setZoom(z,z*skinscaleV/skinscaleH);
+    if (secondaryView)
+        secondaryView->setZoom(z,z*skinscaleV/skinscaleH);
+
+    if (skin) {
+	skin->setTransform(QMatrix().scale(z/skinscaleH,z/skinscaleV).rotate(90*view->displayRotation()));
+        if (secondaryView)
+            secondaryView->setFixedSize(
+                    int(secondaryView->displayWidth()*z),
+                    int(secondaryView->displayHeight()*z*skinscaleV/skinscaleH));
+    }
+}
+
+void QVFb::setRotation(QVFbView::Rotation r)
+{
+    view->setRotation(r);
+    if (secondaryView)
+        secondaryView->setRotation(r);
+    setZoom(view->zoomH());
+}
+
+void QVFb::setRot0()
+{
+    setRotation(QVFbView::Rot0);
+}
+
+void QVFb::setRot90()
+{
+    setRotation(QVFbView::Rot90);
+}
+
+void QVFb::setRot180()
+{
+    setRotation(QVFbView::Rot180);
+}
+
+void QVFb::setRot270()
+{
+    setRotation(QVFbView::Rot270);
+}
+
+void QVFb::setZoomHalf()
+{
+    setZoom(0.5);
+}
+
+void QVFb::setZoom075()
+{
+    setZoom(0.75);
+}
+
+void QVFb::setZoom1()
+{
+    setZoom(1);
+}
+
+void QVFb::setZoom()
+{
+    if ( !zoomer )
+	zoomer = new Zoomer(this);
+    zoomer->show();
+}
+
+void QVFb::setZoom2()
+{
+    setZoom(2);
+}
+
+void QVFb::setZoom3()
+{
+    setZoom(3);
+}
+
+void QVFb::setZoom4()
+{
+    setZoom(4);
+}
+
+void QVFb::saveImage()
+{
+    QImage img = view->image();
+    QString filename = QFileDialog::getSaveFileName(this, "Save Main Screen image", "snapshot.png", "Portable Network Graphics (*.png)");
+    if (!filename.isEmpty()){
+        if(!img.save(filename,"PNG"))
+                QMessageBox::critical(this, "Save Main Screen Image", "Save failed. Check that you have permission to write to the target directory.");
+    }
+    if (secondaryView) {
+        QImage img = view->image();
+        QString filename = QFileDialog::getSaveFileName(this, "Save Second Screen image", "snapshot.png", "Portable Network Graphics (*.png)");
+        if (!filename.isEmpty()) {
+            if(!img.save(filename,"PNG"))
+                QMessageBox::critical(this, "Save Second Screen Image", "Save failed. Check that you have permission to write to the target directory.");
+        }
+    }
+}
+
+void QVFb::toggleAnimation()
+{
+    static AnimationSaveWidget *animWidget = 0;
+    if ( !animWidget )
+	animWidget = new AnimationSaveWidget(view);
+    if ( animWidget->isVisible() )
+	animWidget->hide();
+    else
+	animWidget->show();
+}
+
+void QVFb::toggleCursor()
+{
+    enableCursor(cursorAction->isChecked());
+}
+
+void QVFb::changeRate()
+{
+    if ( !rateDlg ) {
+	rateDlg = new QVFbRateDialog( refreshRate, this );
+	connect( rateDlg, SIGNAL(updateRate(int)), this, SLOT(setRate(int)) );
+    }
+
+    rateDlg->show();
+}
+
+void QVFb::setRate(int i)
+{
+    refreshRate = i;
+    view->setRate(i);
+    if (secondaryView)
+        secondaryView->setRate(i);
+}
+
+
+void QVFb::about()
+{
+    QMessageBox::about(this, "About QVFB",
+	"<h2>The Qt for Embedded Linux Virtual X11 Framebuffer</h2>"
+	"<p>This application runs under Qt for X11, emulating a simple framebuffer, "
+	"which the Qt for Embedded Linux server and clients can attach to just as if "
+	"it was a hardware Linux framebuffer. "
+	"<p>With the aid of this development tool, you can develop Qt for Embedded  "
+	"Linux applications under X11 without having to switch to a virtual console. "
+	"This means you can comfortably use your other development tools such "
+	"as GUI profilers and debuggers."
+    );
+}
+
+void QVFb::findSkins(const QString &currentSkin)
+{
+    skinnames.clear();
+    skinfiles.clear();
+    QDir dir(":/skins/","*.skin");
+    const QFileInfoList l = dir.entryInfoList();
+    int i = 1; // "None" is already in list at index 0
+    for (QFileInfoList::const_iterator it = l.begin(); it != l.end(); ++it) {
+	skinnames.append((*it).baseName()); // should perhaps be in file
+	skinfiles.append((*it).filePath());
+	if (((*it).baseName() + ".skin") == currentSkin)
+	    currentSkinIndex = i;
+	i++;
+    }
+}
+
+class Config : public QDialog, public Ui::Config
+{
+public:
+    Config(QWidget *parent)
+        : QDialog(parent)
+    {
+        setupUi(this);
+        setModal(true);
+
+        connect(buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
+        connect(buttonCancel, SIGNAL(clicked()), this, SLOT(reject()));
+    }
+};
+
+void QVFb::configure()
+{
+    config = new Config(this);
+
+    int w = view->displayWidth();
+    int h = view->displayHeight();
+
+    // Need to block signals, because we connect to animateClick(),
+    // since QCheckBox doesn't have setChecked(bool) in 2.x.
+    chooseSize(QSize(w,h));
+    config->skin->insertItems(config->skin->count(), skinnames);
+    if (currentSkinIndex > 0)
+	config->skin->setCurrentIndex(currentSkinIndex);
+    config->skin->addItem(tr("Browse..."));
+    config->touchScreen->setChecked(view->touchScreenEmulation());
+    config->lcdScreen->setChecked(view->lcdScreenEmulation());
+    chooseDepth(view->displayDepth(), view->displayFormat());
+    config->rgbSwapped->setChecked(view->rgbSwapped());
+    connect(config->skin, SIGNAL(activated(int)), this, SLOT(skinConfigChosen(int)));
+    if ( view->gammaRed() == view->gammaGreen() && view->gammaGreen() == view->gammaBlue() ) {
+	config->gammaslider->setValue(int(view->gammaRed()*400));
+	config->rslider->setValue(100);
+	config->gslider->setValue(100);
+	config->bslider->setValue(100);
+    } else {
+	config->gammaslider->setValue(100);
+	config->rslider->setValue(int(view->gammaRed()*400));
+	config->gslider->setValue(int(view->gammaGreen()*400));
+	config->bslider->setValue(int(view->gammaBlue()*400));
+    }
+    connect(config->gammaslider, SIGNAL(valueChanged(int)), this, SLOT(setGamma400(int)));
+    connect(config->rslider, SIGNAL(valueChanged(int)), this, SLOT(setR400(int)));
+    connect(config->gslider, SIGNAL(valueChanged(int)), this, SLOT(setG400(int)));
+    connect(config->bslider, SIGNAL(valueChanged(int)), this, SLOT(setB400(int)));
+    updateGammaLabels();
+
+    double ogr=view->gammaRed(), ogg=view->gammaGreen(), ogb=view->gammaBlue();
+    qApp->setQuitOnLastWindowClosed(false);
+
+    hide();
+    if ( config->exec() ) {
+	int id = view->displayId(); // not settable yet
+	if ( config->size_176_220->isChecked() ) {
+	    w=176; h=220;
+	} else if ( config->size_240_320->isChecked() ) {
+	    w=240; h=320;
+	} else if ( config->size_320_240->isChecked() ) {
+	    w=320; h=240;
+	} else if ( config->size_640_480->isChecked() ) {
+	    w=640; h=480;
+	} else if ( config->size_800_600->isChecked() ) {
+	    w=800; h=600;
+	} else if ( config->size_1024_768->isChecked() ) {
+	    w=1024; h=768;
+	} else {
+	    w=config->size_width->value();
+	    h=config->size_height->value();
+	}
+	int d;
+	if ( config->depth_1->isChecked() )
+	    d=1;
+	else if ( config->depth_2gray->isChecked() )
+	    d=2;
+	else if ( config->depth_4gray->isChecked() )
+	    d=4;
+	else if ( config->depth_8->isChecked() )
+	    d=8;
+	else if ( config->depth_12->isChecked() )
+	    d=12;
+	else if ( config->depth_15->isChecked() )
+	    d = 15;
+	else if ( config->depth_16->isChecked() )
+	    d=16;
+	else if ( config->depth_18->isChecked() )
+	    d=18;
+	else if ( config->depth_24->isChecked() )
+	    d=24;
+	else
+	    d=32;
+	QVFbView::PixelFormat displayFormat = config->depth_32_argb->isChecked()
+					      ? QVFbView::ARGBFormat : QVFbView::DefaultFormat;
+	int skinIndex = config->skin->currentIndex();
+	if ( w != view->displayWidth() || h != view->displayHeight()
+		|| d != view->displayDepth() || skinIndex != currentSkinIndex ) {
+	    QVFbView::Rotation rot = view->displayRotation();
+	    int r = ((rot == QVFbView::Rot90)  ?  90 :
+		    ((rot == QVFbView::Rot180) ? 180 :
+		    ((rot == QVFbView::Rot270) ? 270 : 0 )));
+	    currentSkinIndex = skinIndex;
+	    init( id, w, h, d, r, skinIndex > 0 ? skinfiles[skinIndex-1] : QString::null );
+	}
+	view->setViewFormat(displayFormat);
+	view->setTouchscreenEmulation( config->touchScreen->isChecked() );
+        if (view->rgbSwapped() != config->rgbSwapped->isChecked()) {
+            //### the windowTitle logic is inside init(), and init isn't always invoked
+            QString caption = windowTitle();
+            if (!config->rgbSwapped->isChecked())
+                caption.replace(QLatin1String(" BGR"), QString());
+            else
+                caption.append(QLatin1String(" BGR"));
+            setWindowTitle(caption);
+            view->setRgbSwapped(config->rgbSwapped->isChecked());
+        }
+	bool lcdEmulation = config->lcdScreen->isChecked();
+	view->setLcdScreenEmulation( lcdEmulation );
+	if ( lcdEmulation )
+	    setZoom3();
+    } else {
+	view->setGamma(ogr, ogg, ogb);
+    }
+    show();
+    qApp->setQuitOnLastWindowClosed(true);
+    delete config;
+    config=0;
+}
+
+void QVFb::chooseSize(const QSize& sz)
+{
+    config->size_width->blockSignals(true);
+    config->size_height->blockSignals(true);
+    config->size_width->setValue(sz.width());
+    config->size_height->setValue(sz.height());
+    config->size_width->blockSignals(false);
+    config->size_height->blockSignals(false);
+    config->size_custom->setChecked(true); // unless changed by settings below
+    config->size_176_220->setChecked(sz == QSize(176,220));
+    config->size_240_320->setChecked(sz == QSize(240,320));
+    config->size_320_240->setChecked(sz == QSize(320,240));
+    config->size_640_480->setChecked(sz == QSize(640,480));
+    config->size_800_600->setChecked(sz == QSize(800,600));
+    config->size_1024_768->setChecked(sz == QSize(1024,768));
+}
+
+void QVFb::chooseDepth(int depth, QVFbView::PixelFormat displayFormat)
+{
+    config->depth_1->setChecked(depth==1);
+    config->depth_2gray->setChecked(depth==2);
+    config->depth_4gray->setChecked(depth==4);
+    config->depth_8->setChecked(depth==8);
+    config->depth_12->setChecked(depth==12);
+    config->depth_15->setChecked(depth==15);
+    config->depth_16->setChecked(depth==16);
+    config->depth_18->setChecked(depth==18);
+    config->depth_24->setChecked(depth==24);
+    config->depth_32->setChecked(depth==32 && displayFormat != QVFbView::ARGBFormat);
+    config->depth_32_argb->setChecked(depth==32 && displayFormat == QVFbView::ARGBFormat);
+}
+
+void QVFb::skinConfigChosen(int i)
+{
+    if (i == config->skin->count() - 1) { // Browse... ?
+        QFileDialog dlg(this);
+        dlg.setFileMode(QFileDialog::DirectoryOnly);
+        dlg.setWindowTitle(tr("Load Custom Skin..."));
+        dlg.setFilter(tr("All QVFB Skins (*.skin)"));
+        dlg.setDirectory(QDir::current());
+        if (dlg.exec() && dlg.selectedFiles().count() == 1) {
+            skinfiles.append(dlg.selectedFiles().first());
+            i = skinfiles.count();
+            config->skin->insertItem(i, QFileInfo(skinfiles.last()).baseName());
+            config->skin->setCurrentIndex(i);
+        } else {
+            i = 0;
+        }
+    }
+    if ( i ) {
+	DeviceSkinParameters parameters;
+	QString readError;
+	if (parameters.read(skinfiles[i-1], DeviceSkinParameters::ReadSizeOnly, &readError)) {
+	    chooseSize(parameters.screenSize());
+            if (parameters.screenDepth)
+                chooseDepth(parameters.screenDepth,QVFbView::ARGBFormat);
+            config->touchScreen->setChecked(!parameters.hasMouseHover);
+	} else {
+	    qWarning("%s", qPrintable(readError));
+	}
+    }
+}
+
+void QVFb::setGamma400(int n)
+{
+    double g = n/100.0;
+    view->setGamma(config->rslider->value()/100.0*g,
+                   config->gslider->value()/100.0*g,
+                   config->bslider->value()/100.0*g);
+    updateGammaLabels();
+}
+
+void QVFb::setR400(int n)
+{
+    double g = n/100.0;
+    view->setGamma(config->rslider->value()/100.0*g,
+                   view->gammaGreen(),
+                   view->gammaBlue());
+    updateGammaLabels();
+}
+
+void QVFb::setG400(int n)
+{
+    double g = n/100.0;
+    view->setGamma(view->gammaRed(),
+                   config->gslider->value()/100.0*g,
+                   view->gammaBlue());
+    updateGammaLabels();
+}
+
+void QVFb::setB400(int n)
+{
+    double g = n/100.0;
+    view->setGamma(view->gammaRed(),
+                   view->gammaGreen(),
+                   config->bslider->value()/100.0*g);
+    updateGammaLabels();
+}
+
+void QVFb::updateGammaLabels()
+{
+    config->rlabel->setText(QString::number(view->gammaRed(),'g',2));
+    config->glabel->setText(QString::number(view->gammaGreen(),'g',2));
+    config->blabel->setText(QString::number(view->gammaBlue(),'g',2));
+}
+
+QSize QVFb::sizeHint() const
+{
+    return QSize(int(view->displayWidth()*view->zoomH()),
+	    int(menuBar()->height()+view->displayHeight()*view->zoomV()));
+}
+
+// =====================================================================
+
+AnimationSaveWidget::AnimationSaveWidget(QVFbAbstractView *v) :
+	QWidget((QWidget*)0,0),
+	view(v), recording(false), animation(0),
+	timerId(-1), progressTimerId(-1),
+	recOn(red_on_led_xpm), recOff(red_off_led_xpm),
+	imageNum(0)
+{
+    // Create the animation record UI dialog
+    QVBoxLayout *vlayout = new QVBoxLayout( this );
+
+    QWidget *hbox = new QWidget( this );
+    vlayout->addWidget(hbox);
+    QHBoxLayout *hlayout = new QHBoxLayout(hbox);
+    recBt = new QPushButton( tr("Record"), hbox );
+    hlayout->addWidget(recBt);
+    resetBt = new QPushButton( tr("Reset"), hbox );
+    hlayout->addWidget(resetBt);
+    saveBt = new QPushButton( tr("Save"), hbox );
+    hlayout->addWidget(saveBt);
+    recBt->setFixedWidth( 100 );
+    resetBt->setFixedWidth( 100 );
+    saveBt->setFixedWidth( 100 );
+    timeDpy = new QLabel( "00:00", hbox );
+    hlayout->addWidget(timeDpy);
+    recLED = new QLabel( hbox );
+    hlayout->addWidget(recLED);
+    recLED->setPixmap( recOff );
+    timeDpy->setMargin( 5 );
+    connect( recBt, SIGNAL(clicked()), this, SLOT(toggleRecord()) );
+    connect( resetBt, SIGNAL(clicked()), this, SLOT(reset()) );
+    connect( saveBt, SIGNAL(clicked()), this, SLOT(save()) );
+    elapsed = 0;
+    vlayout->setMargin( 5 );
+    vlayout->setSpacing( 5 );
+    haveMpeg = detectPpmtoMpegCommand();
+    mpegSave = new QCheckBox( tr("Save in MPEG format (requires netpbm package installed)"), this );
+    vlayout->addWidget(mpegSave);
+    mpegSave->setChecked( haveMpeg );
+    mpegSave->setEnabled( haveMpeg );
+    savingAsMpeg = haveMpeg;
+    QWidget *hbox2 = new QWidget( this );
+    vlayout->addWidget(hbox2);
+    QHBoxLayout *hlayout2 = new QHBoxLayout( hbox2 );
+    statusText = new QLabel( tr("Click record to begin recording."), hbox2 );
+    hlayout2->addWidget(statusText);
+    progressBar = new QProgressBar( hbox2 );
+    progressBar->setValue( 0 );
+    hlayout2->addWidget(progressBar);
+    progressBar->hide();
+}
+
+AnimationSaveWidget::~AnimationSaveWidget()
+{
+    // clean up
+    removeTemporaryFiles();
+    delete animation;
+}
+
+// returns true if we have ppmtompeg command, else returns false
+bool AnimationSaveWidget::detectPpmtoMpegCommand()
+{
+    // search the PATH for the ppmtompeg command to test we can record to mpeg
+    QStringList paths = QString(::getenv("PATH")).split(":");
+    for ( int i = 0; i < paths.count(); i++ )
+	if ( QFile::exists( paths[i] + "/" + "ppmtompeg" ) )
+	    return true;
+    return false;
+}
+
+void AnimationSaveWidget::timerEvent( QTimerEvent *te )
+{
+    QString str;
+
+    // Recording timer
+    if ( te->timerId() == timerId ) {
+
+	// Add a frame to the animation
+	if ( savingAsMpeg && view )
+	    view->image().save( str.sprintf("/tmp/qvfb_tmp_image_%04d.ppm", imageNum), "PPM");
+	else if ( animation && view )
+	    animation->appendFrame(view->image());//QPoint(0,0));
+	imageNum++;
+
+	// Update the display of number of seconds that have been recorded.
+	int tmMsec = tm.elapsed();
+	timeDpy->setText( str.sprintf("%02d:%02d", tmMsec/60000, (tmMsec%60000)/1000) );
+	QObject::timerEvent( te );
+
+	// Make the recording LED blink
+	static int tick = 0;
+	static bool on = false;
+	if ( tick > 10 ) {
+	    tick = 0;
+	    if ( on )
+		recLED->setPixmap( recOff );
+	    else
+		recLED->setPixmap( recOn );
+	    on = !on;
+	}
+	tick++;
+    }
+
+    // Saving progress timer
+    if ( te->timerId() == progressTimerId ) {
+	// Parse output log file to work out the encoding progress.
+	QFile f("/tmp/qvfb_tmp_output.log");
+	f.open(QIODevice::ReadOnly);
+	int largestNum = 0;
+	bool done = false;
+	char buffer[1024];
+	while ( !f.atEnd() ) {
+	    // example of the output log entries
+	    //   During each frame:
+	    //      "FRAME 764 (B):  I BLOCKS:  0......
+	    //   When complete:
+	    //      "======FRAMES READ:  766"
+	    f.readLine(buffer, 1024);
+	    str = QString(buffer);
+	    if ( str.left(6) == "FRAME " ) {
+		int num = str.mid(6, str.indexOf(QChar(' '), 6) - 6).toInt();
+		if ( num > largestNum )
+		    largestNum = num;
+	    } else if ( str.left(18) == "======FRAMES READ:" ) {
+		done = true;
+	    }
+	}
+	f.close();
+
+	// Update the progress bar with the frame we are up to
+	progressBar->setValue( largestNum );
+
+	// Finished saving
+	if ( done ) {
+	    progressBar->hide();
+	    statusText->setText( tr("Finished saving."));
+	    removeTemporaryFiles();
+	    killTimer( progressTimerId );
+	    progressTimerId = -1;
+	    reset();
+	}
+    }
+}
+
+// Takes the saved ppm files and converts them to a mpeg file named filename
+void AnimationSaveWidget::convertToMpeg(QString filename)
+{
+    recLED->setPixmap( recOff );
+    killTimer( timerId );
+
+    progressBar->show();
+    progressBar->setRange( 0, imageNum );
+    progressBar->setValue( 0 );
+
+    // Build parameter file required by ppmtompeg
+    QFile file("/tmp/qvfb_tmp_ppmtompeg.params");
+    if ( file.open( QIODevice::WriteOnly ) ) {
+	QTextStream t( &file );
+	t << "PATTERN IBBPBBPBBPBBPBB\n";
+	t << "OUTPUT " << filename << "\n";
+	t << "INPUT_DIR /tmp\n";
+	t << "INPUT\n";
+	QString str;
+	str = str.sprintf("%04d", imageNum - 1);
+	t << "qvfb_tmp_image_*.ppm [0000-" << str << "]\n";
+	t << "END_INPUT\n";
+	t << "BASE_FILE_FORMAT PPM\n";
+	t << "INPUT_CONVERT *\n";
+	t << "GOP_SIZE 15\n";
+	t << "SLICES_PER_FRAME 1\n";
+	t << "PIXEL HALF\n";
+	t << "RANGE 5\n";
+	t << "PSEARCH_ALG LOGARITHMIC\n";
+	t << "BSEARCH_ALG SIMPLE\n";
+	t << "IQSCALE 1\n";
+	t << "PQSCALE 1\n";
+	t << "BQSCALE 1\n";
+	t << "REFERENCE_FRAME DECODED\n";
+	t << "ASPECT_RATIO 1\n";
+	t << "FRAME_RATE 24\n";
+	t << "BIT_RATE 64000\n";	    // Quality
+	t << "BUFFER_SIZE 2048\n";
+    }
+    file.close();
+
+    // ### can't use QProcess, not in Qt 2.3
+    // ### but it's certainly in Qt 4! use it?
+    // Execute the ppmtompeg command as a seperate process to do the encoding
+    pid_t pid = ::fork();
+    if ( !pid ) {
+	// Child process
+	// redirect stdout to log file
+	freopen("/tmp/qvfb_tmp_output.log", "w", stdout);
+	// ppmtompeg tool is from the netpbm package
+	::execlp("ppmtompeg", "ppmtompeg", "/tmp/qvfb_tmp_ppmtompeg.params", (void *)0);
+	exit(0);
+    }
+
+    // Update the saving progress bar every 200ms
+    progressTimerId = startTimer( 200 );
+}
+
+// Cleanup temporary files created during creating a mpeg file
+void AnimationSaveWidget::removeTemporaryFiles()
+{
+    QString str;
+    for ( int i = 0; i < imageNum; i++ )
+	QFile::remove( str.sprintf("/tmp/qvfb_tmp_image_%04d.ppm", i) );
+    QFile::remove("/tmp/qvfb_tmp_ppmtompeg.params");
+    QFile::remove("/tmp/qvfb_tmp_output.log");
+    imageNum = 0;
+}
+
+// toggles between recording and paused (usually when record button clicked)
+void AnimationSaveWidget::toggleRecord()
+{
+    if ( recording ) {
+	recLED->setPixmap( recOff );
+	recBt->setText( tr("Record") );
+	statusText->setText( tr("Paused. Click record to resume, or save if done."));
+	killTimer( timerId );
+	timerId = -1;
+	elapsed = tm.elapsed();
+    } else {
+	recLED->setPixmap( recOn );
+	recBt->setText( tr("Pause") );
+	statusText->setText( tr("Recording..."));
+	tm.start();
+	if ( elapsed == 0 ) {
+	    savingAsMpeg = mpegSave->isChecked();
+	    if ( !savingAsMpeg ) {
+		delete animation;
+		animation = new QAnimationWriter("/tmp/qvfb_tmp_animation.mng","MNG");
+		animation->setFrameRate(24);
+		if ( view )
+		    animation->appendFrame(view->image());
+	    }
+	}
+	tm = tm.addMSecs(-elapsed);
+	elapsed = 0;
+	timerId = startTimer(1000 / 24);
+    }
+    recording = !recording;
+}
+
+// Reset everything to initial state of not recording
+void AnimationSaveWidget::reset()
+{
+    if ( recording ) {
+	toggleRecord();
+	statusText->setText( tr("Click record to begin recording."));
+	removeTemporaryFiles();
+    }
+    progressBar->setValue( 0 );
+    timeDpy->setText( "00:00" );
+    elapsed = 0;
+    imageNum = 0;
+    delete animation;
+    animation = 0;
+}
+
+// Prompt for filename to save to and put animation in that file
+void AnimationSaveWidget::save()
+{
+    if ( recording )
+	toggleRecord(); // pauses
+    statusText->setText( tr("Saving... "));
+
+    QString filename;
+    if ( savingAsMpeg ) {
+	filename = QFileDialog::getSaveFileName(this, tr("Save animation..."), "", "*.mpg");
+	if ( !filename.isNull() )
+	    convertToMpeg(filename);
+    } else {
+	filename = QFileDialog::getSaveFileName(this, tr("Save animation..."), "", "*.mng");
+	if (filename.isNull()) {
+            statusText->setText(tr("Save canceled."));
+        } else {
+            QFile::remove(filename);
+            bool success = QFile::rename(QLatin1String("/tmp/qvfb_tmp_animation.mng"),
+                                         filename);
+            if (success) {
+                statusText->setText(tr("Finished saving."));
+                reset();
+            } else {
+                statusText->setText(tr("Save failed!"));
+            }
+	}
+    }
+}
+
+QT_END_NAMESPACE
+
+#include "qvfb.moc"