/**************************************************************************** ** ** Copyright (C) 2011 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 "deviceskin.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef TEST_SKIN # include # include # include # include #endif QT_BEGIN_NAMESPACE namespace { enum { joydistance = 10, key_repeat_period = 50, key_repeat_delay = 500 }; enum { debugDeviceSkin = 0 }; } static void parseRect(const QString &value, QRect *rect) { const QStringList l = value.split(QLatin1Char(' ')); rect->setRect(l[0].toInt(), l[1].toInt(), l[2].toInt(), l[3].toInt()); } static QString msgImageNotLoaded(const QString &f) { return DeviceSkin::tr("The image file '%1' could not be loaded.").arg(f); } // ------------ DeviceSkinButtonArea DeviceSkinButtonArea::DeviceSkinButtonArea() : keyCode(0), activeWhenClosed(0) { } QDebug &operator<<(QDebug &str, const DeviceSkinButtonArea &a) { str << "Area: " << a.name << " keyCode=" << a.keyCode << " area=" << a.area << " text=" << a.text << " activeWhenClosed=" << a.activeWhenClosed; return str; } // ------------ DeviceSkinParameters QDebug operator<<(QDebug str, const DeviceSkinParameters &p) { str << "Images " << p.skinImageUpFileName << ',' << p.skinImageDownFileName<< ',' << p.skinImageClosedFileName << ',' << p.skinCursorFileName <<"\nScreen: " << p.screenRect << " back: " << p.backScreenRect << " closed: " << p.closedScreenRect << " cursor: " << p.cursorHot << " Prefix: " << p.prefix << " Joystick: " << p.joystick << " MouseHover" << p.hasMouseHover; const int numAreas = p.buttonAreas.size(); for (int i = 0; i < numAreas; i++) str << p.buttonAreas[i]; return str; } QSize DeviceSkinParameters::secondaryScreenSize() const { return backScreenRect.isNull() ? closedScreenRect .size(): backScreenRect.size(); } bool DeviceSkinParameters::hasSecondaryScreen() const { return secondaryScreenSize() != QSize(0, 0); } bool DeviceSkinParameters::read(const QString &skinDirectory, ReadMode rm, QString *errorMessage) { // Figure out the name. remove ending '/' if present QString skinFile = skinDirectory; if (skinFile.endsWith(QLatin1Char('/'))) skinFile.truncate(skinFile.length() - 1); QFileInfo fi(skinFile); QString fn; if ( fi.isDir() ) { prefix = skinFile; prefix += QLatin1Char('/'); fn = prefix; fn += fi.baseName(); fn += QLatin1String(".skin"); } else if (fi.isFile()){ fn = skinFile; prefix = fi.path(); prefix += QLatin1Char('/'); } else { *errorMessage = DeviceSkin::tr("The skin directory '%1' does not contain a configuration file.").arg(skinDirectory); return false; } QFile f(fn); if (!f.open(QIODevice::ReadOnly )) { *errorMessage = DeviceSkin::tr("The skin configuration file '%1' could not be opened.").arg(fn); return false; } QTextStream ts(&f); const bool rc = read(ts, rm, errorMessage); if (!rc) *errorMessage = DeviceSkin::tr("The skin configuration file '%1' could not be read: %2").arg(fn).arg(*errorMessage); return rc; } bool DeviceSkinParameters::read(QTextStream &ts, ReadMode rm, QString *errorMessage) { QStringList closedAreas; QStringList toggleAreas; QStringList toggleActiveAreas; int nareas = 0; screenDepth = 0; QString mark; ts >> mark; hasMouseHover = true; // historical default if ( mark == QLatin1String("[SkinFile]") ) { const QString UpKey = QLatin1String("Up"); const QString DownKey = QLatin1String("Down"); const QString ClosedKey = QLatin1String("Closed"); const QString ClosedAreasKey = QLatin1String("ClosedAreas"); const QString ScreenKey = QLatin1String("Screen"); const QString ScreenDepthKey = QLatin1String("ScreenDepth"); const QString BackScreenKey = QLatin1String("BackScreen"); const QString ClosedScreenKey = QLatin1String("ClosedScreen"); const QString CursorKey = QLatin1String("Cursor"); const QString AreasKey = QLatin1String("Areas"); const QString ToggleAreasKey = QLatin1String("ToggleAreas"); const QString ToggleActiveAreasKey = QLatin1String("ToggleActiveAreas"); const QString HasMouseHoverKey = QLatin1String("HasMouseHover"); // New while (!nareas) { QString line = ts.readLine(); if ( line.isNull() ) break; if ( line[0] != QLatin1Char('#') && !line.isEmpty() ) { int eq = line.indexOf(QLatin1Char('=')); if ( eq >= 0 ) { const QString key = line.left(eq); eq++; while (eq> s >> x >> y >> w >> h >> na; skinImageDownFileName = s; screenRect.setRect(x, y, w, h); nareas = na; } // Done for short mode if (rm == ReadSizeOnly) return true; // verify skin files exist skinImageUpFileName.insert(0, prefix); if (!QFile(skinImageUpFileName).exists()) { *errorMessage = DeviceSkin::tr("The skin \"up\" image file '%1' does not exist.").arg(skinImageUpFileName); return false; } if (!skinImageUp.load(skinImageUpFileName)) { *errorMessage = msgImageNotLoaded(skinImageUpFileName); return false; } skinImageDownFileName.insert(0, prefix); if (!QFile(skinImageDownFileName).exists()) { *errorMessage = DeviceSkin::tr("The skin \"down\" image file '%1' does not exist.").arg(skinImageDownFileName); return false; } if (!skinImageDown.load(skinImageDownFileName)) { *errorMessage = msgImageNotLoaded(skinImageDownFileName); return false; } if (!skinImageClosedFileName.isEmpty()) { skinImageClosedFileName.insert(0, prefix); if (!QFile(skinImageClosedFileName).exists()) { *errorMessage = DeviceSkin::tr("The skin \"closed\" image file '%1' does not exist.").arg(skinImageClosedFileName); return false; } if (!skinImageClosed.load(skinImageClosedFileName)) { *errorMessage = msgImageNotLoaded(skinImageClosedFileName); return false; } } if (!skinCursorFileName.isEmpty()) { skinCursorFileName.insert(0, prefix); if (!QFile(skinCursorFileName).exists()) { *errorMessage = DeviceSkin::tr("The skin cursor image file '%1' does not exist.").arg(skinCursorFileName); return false; } if (!skinCursor.load(skinCursorFileName)) { *errorMessage = msgImageNotLoaded(skinCursorFileName); return false; } } // read areas if (!nareas) return true; buttonAreas.reserve(nareas); int i = 0; ts.readLine(); // eol joystick = -1; const QString Joystick = QLatin1String("Joystick"); while (i < nareas && !ts.atEnd() ) { buttonAreas.push_back(DeviceSkinButtonArea()); DeviceSkinButtonArea &area = buttonAreas.back(); const QString line = ts.readLine(); if ( !line.isEmpty() && line[0] != QLatin1Char('#') ) { const QStringList tok = line.split(QRegExp(QLatin1String("[ \t][ \t]*"))); if ( tok.count()<6 ) { *errorMessage = DeviceSkin::tr("Syntax error in area definition: %1").arg(line); return false; } else { area.name = tok[0]; QString k = tok[1]; if ( k.left(2).toLower() == QLatin1String("0x")) { area.keyCode = k.mid(2).toInt(0,16); } else { area.keyCode = k.toInt(); } int p=0; for (int j=2; j < tok.count() - 1; ) { const int x = tok[j++].toInt(); const int y = tok[j++].toInt(); area.area.putPoints(p++,1,x,y); } const QChar doubleQuote = QLatin1Char('"'); if ( area.name[0] == doubleQuote && area.name.endsWith(doubleQuote)) { area.name.truncate(area.name.size() - 1); area.name.remove(0, 1); } if ( area.name.length() == 1 ) area.text = area.name; if ( area.name == Joystick) joystick = i; area.activeWhenClosed = closedAreas.contains(area.name) || area.keyCode == Qt::Key_Flip; // must be to work area.toggleArea = toggleAreas.contains(area.name); area.toggleActiveArea = toggleActiveAreas.contains(area.name); if ( area.toggleArea ) toggleAreaList += i; i++; } } } if (i != nareas) { qWarning() << DeviceSkin::tr("Mismatch in number of areas, expected %1, got %2.") .arg(nareas).arg(i); } if (debugDeviceSkin) qDebug() << *this; return true; } // --------- CursorWindow declaration namespace qvfb_internal { class CursorWindow : public QWidget { public: explicit CursorWindow(const QImage &cursor, QPoint hot, QWidget *sk); void setView(QWidget*); void setPos(QPoint); bool handleMouseEvent(QEvent *ev); protected: bool event( QEvent *); bool eventFilter( QObject*, QEvent *); private: QWidget *mouseRecipient; QWidget *m_view; QWidget *skin; QPoint hotspot; }; } // --------- Skin DeviceSkin::DeviceSkin(const DeviceSkinParameters ¶meters, QWidget *p ) : QWidget(p), m_parameters(parameters), buttonRegions(parameters.buttonAreas.size(), QRegion()), parent(p), m_view(0), m_secondaryView(0), buttonPressed(false), buttonIndex(0), cursorw(0), joydown(0), t_skinkey(new QTimer(this)), t_parentmove(new QTimer(this)), flipped_open(true) { Q_ASSERT(p); setMouseTracking(true); setAttribute(Qt::WA_NoSystemBackground); setZoom(1.0); connect( t_skinkey, SIGNAL(timeout()), this, SLOT(skinKeyRepeat()) ); t_parentmove->setSingleShot( true ); connect( t_parentmove, SIGNAL(timeout()), this, SLOT(moveParent()) ); } void DeviceSkin::skinKeyRepeat() { if ( m_view ) { const DeviceSkinButtonArea &area = m_parameters.buttonAreas[buttonIndex]; emit skinKeyReleaseEvent( area.keyCode,area.text, true ); emit skinKeyPressEvent( area.keyCode, area.text, true ); t_skinkey->start(key_repeat_period); } } void DeviceSkin::calcRegions() { const int numAreas = m_parameters.buttonAreas.size(); for (int i=0; isetMask( skinImageUp.mask() ); parent->setFixedSize( skinImageUp.size() ); delete cursorw; cursorw = 0; if (hasCursorImage) { cursorw = new qvfb_internal::CursorWindow(m_parameters.skinCursor, m_parameters.cursorHot, this); if ( m_view ) cursorw->setView(m_view); } } DeviceSkin::~DeviceSkin( ) { delete cursorw; } void DeviceSkin::setTransform( const QMatrix& wm ) { transform = QImage::trueMatrix(wm,m_parameters.skinImageUp.width(),m_parameters.skinImageUp.height()); calcRegions(); loadImages(); if ( m_view ) { QPoint p = transform.map(QPolygon(m_parameters.screenRect)).boundingRect().topLeft(); m_view->move(p); } updateSecondaryScreen(); } void DeviceSkin::setZoom( double z ) { setTransform(QMatrix().scale(z,z)); } void DeviceSkin::updateSecondaryScreen() { if (!m_secondaryView) return; if (flipped_open) { if (m_parameters.backScreenRect.isNull()) { m_secondaryView->hide(); } else { m_secondaryView->move(transform.map(QPolygon(m_parameters.backScreenRect)).boundingRect().topLeft()); m_secondaryView->show(); } } else { if (m_parameters.closedScreenRect.isNull()) { m_secondaryView->hide(); } else { m_secondaryView->move(transform.map(QPolygon(m_parameters.closedScreenRect)).boundingRect().topLeft()); m_secondaryView->show(); } } } void DeviceSkin::setView( QWidget *v ) { m_view = v; m_view->setFocus(); m_view->move(transform.map(QPolygon(m_parameters.screenRect)).boundingRect().topLeft()); if ( cursorw ) cursorw->setView(v); } void DeviceSkin::setSecondaryView( QWidget *v ) { m_secondaryView = v; updateSecondaryScreen(); } void DeviceSkin::paintEvent( QPaintEvent *) { QPainter p( this ); if ( flipped_open ) { p.drawPixmap( 0, 0, skinImageUp ); } else { p.drawPixmap( 0, 0, skinImageClosed ); } QList toDraw; if ( buttonPressed == true ) { toDraw += buttonIndex; } foreach (int toggle, m_parameters.toggleAreaList) { const DeviceSkinButtonArea &ba = m_parameters.buttonAreas[toggle]; if ( flipped_open || ba.activeWhenClosed ) { if ( ba.toggleArea && ba.toggleActiveArea ) toDraw += toggle; } } foreach (int button, toDraw ) { const DeviceSkinButtonArea &ba = m_parameters.buttonAreas[button]; const QRect r = buttonRegions[button].boundingRect(); if ( ba.area.count() > 2 ) p.setClipRegion(buttonRegions[button]); p.drawPixmap( r.topLeft(), skinImageDown, r); } } void DeviceSkin::mousePressEvent( QMouseEvent *e ) { if (e->button() == Qt::RightButton) { emit popupMenu(); } else { buttonPressed = false; onjoyrelease = -1; const int numAreas = m_parameters.buttonAreas.size(); for (int i = 0; i < numAreas ; i++) { const DeviceSkinButtonArea &ba = m_parameters.buttonAreas[i]; if ( buttonRegions[i].contains( e->pos() ) ) { if ( flipped_open || ba.activeWhenClosed ) { if ( m_parameters.joystick == i ) { joydown = true; } else { if ( joydown ) onjoyrelease = i; else startPress(i); break; if (debugDeviceSkin)// Debug message to be sure we are clicking the right areas qDebug()<< m_parameters.buttonAreas[i].name << " clicked"; } } } } clickPos = e->pos(); // This is handy for finding the areas to define rectangles for new skins if (debugDeviceSkin) qDebug()<< "Clicked in " << e->pos().x() << ',' << e->pos().y(); clickPos = e->pos(); } } void DeviceSkin::flip(bool open) { if ( flipped_open == open ) return; if ( open ) { parent->setMask( skinImageUp.mask() ); emit skinKeyReleaseEvent( Qt::Key(Qt::Key_Flip), QString(), false); } else { parent->setMask( skinImageClosed.mask() ); emit skinKeyPressEvent( Qt::Key(Qt::Key_Flip), QString(), false); } flipped_open = open; updateSecondaryScreen(); repaint(); } void DeviceSkin::startPress(int i) { buttonPressed = true; buttonIndex = i; if (m_view) { const DeviceSkinButtonArea &ba = m_parameters.buttonAreas[buttonIndex]; if ( ba.keyCode == Qt::Key_Flip ) { flip(!flipped_open); } else if ( ba.toggleArea ) { bool active = !ba.toggleActiveArea; const_cast(ba).toggleActiveArea = active; if ( active ) emit skinKeyPressEvent( ba.keyCode, ba.text, false); else emit skinKeyReleaseEvent( ba.keyCode, ba.text, false); } else { emit skinKeyPressEvent( ba.keyCode, ba.text, false); t_skinkey->start(key_repeat_delay); } repaint( buttonRegions[buttonIndex].boundingRect() ); } } void DeviceSkin::endPress() { const DeviceSkinButtonArea &ba = m_parameters.buttonAreas[buttonIndex]; if (m_view && ba.keyCode != Qt::Key_Flip && !ba.toggleArea ) emit skinKeyReleaseEvent(ba.keyCode, ba.text, false ); t_skinkey->stop(); buttonPressed = false; repaint( buttonRegions[buttonIndex].boundingRect() ); } void DeviceSkin::mouseMoveEvent( QMouseEvent *e ) { if ( e->buttons() & Qt::LeftButton ) { const int joystick = m_parameters.joystick; QPoint newpos = e->globalPos() - clickPos; if ( joydown ) { int k1=0, k2=0; if ( newpos.x() < -joydistance ) { k1 = joystick+1; } else if ( newpos.x() > +joydistance ) { k1 = joystick+3; } if ( newpos.y() < -joydistance ) { k2 = joystick+2; } else if ( newpos.y() > +joydistance ) { k2 = joystick+4; } if ( k1 || k2 ) { if ( !buttonPressed ) { onjoyrelease = -1; if ( k1 && k2 ) { startPress(k2); endPress(); } startPress(k1 ? k1 : k2); } } else if ( buttonPressed ) { endPress(); } } else if ( buttonPressed == false ) { parentpos = newpos; if ( !t_parentmove->isActive() ) t_parentmove->start(50); } } if ( cursorw ) cursorw->setPos(e->globalPos()); } void DeviceSkin::moveParent() { parent->move( parentpos ); } void DeviceSkin::mouseReleaseEvent( QMouseEvent * ) { if ( buttonPressed ) endPress(); if ( joydown ) { joydown = false; if ( onjoyrelease >= 0 ) { startPress(onjoyrelease); endPress(); } } } bool DeviceSkin::hasCursor() const { return !skinCursor.isNull(); } // ------------------ CursorWindow implementation namespace qvfb_internal { bool CursorWindow::eventFilter( QObject *, QEvent *ev) { handleMouseEvent(ev); return false; } bool CursorWindow::event( QEvent *ev ) { if (handleMouseEvent(ev)) return true; return QWidget::event(ev); } bool CursorWindow::handleMouseEvent(QEvent *ev) { bool handledEvent = false; static int inhere=0; if ( !inhere ) { inhere++; if ( m_view ) { if ( ev->type() >= QEvent::MouseButtonPress && ev->type() <= QEvent::MouseMove ) { QMouseEvent *e = (QMouseEvent*)ev; QPoint gp = e->globalPos(); QPoint vp = m_view->mapFromGlobal(gp); QPoint sp = skin->mapFromGlobal(gp); if ( e->type() == QEvent::MouseButtonPress || e->type() == QEvent::MouseButtonDblClick ) { if ( m_view->rect().contains(vp) ) mouseRecipient = m_view; else if ( skin->parentWidget()->geometry().contains(gp) ) mouseRecipient = skin; else mouseRecipient = 0; } if ( mouseRecipient ) { setPos(gp); QMouseEvent me(e->type(),mouseRecipient==skin ? sp : vp,gp,e->button(),e->buttons(),e->modifiers()); QApplication::sendEvent(mouseRecipient, &me); } else if ( !skin->parentWidget()->geometry().contains(gp) ) { hide(); } else { setPos(gp); } if ( e->type() == QEvent::MouseButtonRelease ) mouseRecipient = 0; handledEvent = true; } } inhere--; } return handledEvent; } void CursorWindow::setView(QWidget* v) { if ( m_view ) { m_view->removeEventFilter(this); m_view->removeEventFilter(this); } m_view = v; m_view->installEventFilter(this); m_view->installEventFilter(this); mouseRecipient = 0; } CursorWindow::CursorWindow(const QImage &img, QPoint hot, QWidget* sk) :QWidget(0), m_view(0), skin(sk), hotspot(hot) { setWindowFlags( Qt::FramelessWindowHint ); mouseRecipient = 0; setMouseTracking(true); #ifndef QT_NO_CURSOR setCursor(Qt::BlankCursor); #endif QPixmap p; p = QPixmap::fromImage(img); if (!p.mask()) { if ( img.hasAlphaChannel() ) { QBitmap bm; bm = QPixmap::fromImage(img.createAlphaMask()); p.setMask( bm ); } else { QBitmap bm; bm = QPixmap::fromImage(img.createHeuristicMask()); p.setMask( bm ); } } QPalette palette; palette.setBrush(backgroundRole(), QBrush(p)); setPalette(palette); setFixedSize( p.size() ); if ( !p.mask().isNull() ) setMask( p.mask() ); } void CursorWindow::setPos(QPoint p) { move(p-hotspot); show(); raise(); } } #ifdef TEST_SKIN int main(int argc,char *argv[]) { if (argc < 1) return 1; const QString skinFile = QString::fromUtf8(argv[1]); QApplication app(argc,argv); QMainWindow mw; DeviceSkinParameters params; QString errorMessage; if (!params.read(skinFile, DeviceSkinParameters::ReadAll, &errorMessage)) { qWarning() << errorMessage; return 1; } DeviceSkin ds(params, &mw); // View Dialog QDialog *dialog = new QDialog(); QHBoxLayout *dialogLayout = new QHBoxLayout(); dialog->setLayout(dialogLayout); QDialogButtonBox *dialogButtonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel); QObject::connect(dialogButtonBox, SIGNAL(rejected()), dialog, SLOT(reject())); QObject::connect(dialogButtonBox, SIGNAL(accepted()), dialog, SLOT(accept())); dialogLayout->addWidget(dialogButtonBox); dialog->setFixedSize(params.screenSize()); dialog->setParent(&ds, Qt::SubWindow); dialog->setAutoFillBackground(true); ds.setView(dialog); QObject::connect(&ds, SIGNAL(popupMenu()), &mw, SLOT(close())); QObject::connect(&ds, SIGNAL(skinKeyPressEvent(int,QString,bool)), &mw, SLOT(close())); mw.show(); return app.exec(); } #endif QT_END_NAMESPACE