diff options
Diffstat (limited to 'src/plugins/graphicssystems/meego/qmeegographicssystem.cpp')
| -rw-r--r-- | src/plugins/graphicssystems/meego/qmeegographicssystem.cpp | 216 |
1 files changed, 204 insertions, 12 deletions
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp index 13eab7f..69a6922 100644 --- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp +++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp @@ -59,10 +59,16 @@ #include "qmeegographicssystem.h" #include "qmeegoextensions.h" +#include <QTimer> + bool QMeeGoGraphicsSystem::surfaceWasCreated = false; QHash <Qt::HANDLE, QPixmap*> QMeeGoGraphicsSystem::liveTexturePixmaps; +QList<QMeeGoSwitchCallback> QMeeGoGraphicsSystem::switchCallbacks; + +QMeeGoGraphicsSystem::SwitchPolicy QMeeGoGraphicsSystem::switchPolicy = QMeeGoGraphicsSystem::AutomaticSwitch; + QMeeGoGraphicsSystem::QMeeGoGraphicsSystem() { qDebug("Using the meego graphics system"); @@ -74,6 +80,115 @@ QMeeGoGraphicsSystem::~QMeeGoGraphicsSystem() qt_destroy_gl_share_widget(); } +class QMeeGoGraphicsSystemSwitchHandler : public QObject +{ + Q_OBJECT +public: + QMeeGoGraphicsSystemSwitchHandler(); + + void addWidget(QWidget *widget); + bool eventFilter(QObject *, QEvent *); + + void handleMapNotify(); + +private slots: + void removeWidget(QObject *object); + void switchToRaster(); + void switchToMeeGo(); + +private: + int visibleWidgets() const; + +private: + QList<QWidget *> m_widgets; +}; + +typedef bool(*QX11FilterFunction)(XEvent *event); +Q_GUI_EXPORT void qt_installX11EventFilter(QX11FilterFunction func); + +static bool x11EventFilter(XEvent *event); + +QMeeGoGraphicsSystemSwitchHandler::QMeeGoGraphicsSystemSwitchHandler() +{ + qt_installX11EventFilter(x11EventFilter); +} + +void QMeeGoGraphicsSystemSwitchHandler::addWidget(QWidget *widget) +{ + if (widget != qt_gl_share_widget() && !m_widgets.contains(widget)) { + widget->installEventFilter(this); + connect(widget, SIGNAL(destroyed(QObject *)), this, SLOT(removeWidget(QObject *))); + m_widgets << widget; + } +} + +void QMeeGoGraphicsSystemSwitchHandler::handleMapNotify() +{ + if (m_widgets.isEmpty() && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + QTimer::singleShot(0, this, SLOT(switchToMeeGo())); +} + +void QMeeGoGraphicsSystemSwitchHandler::removeWidget(QObject *object) +{ + m_widgets.removeOne(static_cast<QWidget *>(object)); + if (m_widgets.isEmpty() && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + QTimer::singleShot(0, this, SLOT(switchToRaster())); +} + +void QMeeGoGraphicsSystemSwitchHandler::switchToRaster() +{ + QMeeGoGraphicsSystem::switchToRaster(); +} + +void QMeeGoGraphicsSystemSwitchHandler::switchToMeeGo() +{ + QMeeGoGraphicsSystem::switchToMeeGo(); +} + +int QMeeGoGraphicsSystemSwitchHandler::visibleWidgets() const +{ + int count = 0; + for (int i = 0; i < m_widgets.size(); ++i) + count += m_widgets.at(i)->isVisible() && !(m_widgets.at(i)->windowState() & Qt::WindowMinimized); + return count; +} + +bool QMeeGoGraphicsSystemSwitchHandler::eventFilter(QObject *object, QEvent *event) +{ + if (event->type() == QEvent::WindowStateChange + && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + { + QWindowStateChangeEvent *change = static_cast<QWindowStateChangeEvent *>(event); + QWidget *widget = static_cast<QWidget *>(object); + + Qt::WindowStates current = widget->windowState(); + Qt::WindowStates old = change->oldState(); + + // did minimized flag change? + if ((current ^ old) & Qt::WindowMinimized) { + if (current & Qt::WindowMinimized) { + if (visibleWidgets() == 0) + QMeeGoGraphicsSystem::switchToRaster(); + } else { + if (visibleWidgets() > 0) + QMeeGoGraphicsSystem::switchToMeeGo(); + } + } + } + + // resume processing of event + return false; +} + +Q_GLOBAL_STATIC(QMeeGoGraphicsSystemSwitchHandler, switch_handler) + +bool x11EventFilter(XEvent *event) +{ + if (event->type == MapNotify) + switch_handler()->handleMapNotify(); + return false; +} + QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const { QGLWidget *shareWidget = qt_gl_share_widget(); @@ -83,6 +198,9 @@ QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const QGLShareContextScope ctx(shareWidget->context()); + if (QApplicationPrivate::instance()->graphics_system_name == QLatin1String("runtime")) + switch_handler()->addWidget(widget); + QMeeGoGraphicsSystem::surfaceWasCreated = true; QWindowSurface *surface = new QGLWindowSurface(widget); return surface; @@ -203,18 +321,7 @@ QPixmapData *QMeeGoGraphicsSystem::pixmapDataWithGLTexture(int w, int h) bool QMeeGoGraphicsSystem::meeGoRunning() { - if (! QApplicationPrivate::instance()) { - qWarning("Application not running just yet... hard to know what system running!"); - return false; - } - - QString name = QApplicationPrivate::instance()->graphics_system_name; - if (name == "runtime") { - QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system; - name = rsystem->graphicsSystemName(); - } - - return (name == "meego"); + return runningGraphicsSystemName() == "meego"; } QPixmapData* QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(int w, int h, QImage::Format format) @@ -259,6 +366,69 @@ void QMeeGoGraphicsSystem::destroyFenceSync(void *fenceSync) QMeeGoExtensions::eglDestroySyncKHR(QEgl::display(), fenceSync); } +QString QMeeGoGraphicsSystem::runningGraphicsSystemName() +{ + if (!QApplicationPrivate::instance()) { + qWarning("Querying graphics system but application not running yet!"); + return QString(); + } + + QString name = QApplicationPrivate::instance()->graphics_system_name; + if (name == QLatin1String("runtime")) { + QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system; + name = rsystem->graphicsSystemName(); + } + + return name; +} + +void QMeeGoGraphicsSystem::switchToMeeGo() +{ + if (switchPolicy == NoSwitch || meeGoRunning()) + return; + + if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime")) + qWarning("Can't switch to meego - switching only supported with 'runtime' graphics system."); + else { + triggerSwitchCallbacks(0, "meego"); + + QApplication *app = static_cast<QApplication *>(QCoreApplication::instance()); + app->setGraphicsSystem(QLatin1String("meego")); + + triggerSwitchCallbacks(1, "meego"); + } +} + +void QMeeGoGraphicsSystem::switchToRaster() +{ + if (switchPolicy == NoSwitch || runningGraphicsSystemName() == QLatin1String("raster")) + return; + + if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime")) + qWarning("Can't switch to raster - switching only supported with 'runtime' graphics system."); + else { + triggerSwitchCallbacks(0, "raster"); + + QApplication *app = static_cast<QApplication *>(QCoreApplication::instance()); + app->setGraphicsSystem(QLatin1String("raster")); + + QMeeGoLivePixmapData::invalidateSurfaces(); + + triggerSwitchCallbacks(1, "raster"); + } +} + +void QMeeGoGraphicsSystem::registerSwitchCallback(QMeeGoSwitchCallback callback) +{ + switchCallbacks << callback; +} + +void QMeeGoGraphicsSystem::triggerSwitchCallbacks(int type, const char *name) +{ + for (int i = 0; i < switchCallbacks.size(); ++i) + switchCallbacks.at(i)(type, name); +} + /* C API */ int qt_meego_image_to_egl_shared_image(const QImage &image) @@ -340,3 +510,25 @@ void qt_meego_invalidate_live_surfaces(void) { return QMeeGoLivePixmapData::invalidateSurfaces(); } + +void qt_meego_switch_to_raster(void) +{ + QMeeGoGraphicsSystem::switchToRaster(); +} + +void qt_meego_switch_to_meego(void) +{ + QMeeGoGraphicsSystem::switchToMeeGo(); +} + +void qt_meego_register_switch_callback(QMeeGoSwitchCallback callback) +{ + QMeeGoGraphicsSystem::registerSwitchCallback(callback); +} + +void qt_meego_set_switch_policy(int policy) +{ + QMeeGoGraphicsSystem::switchPolicy = QMeeGoGraphicsSystem::SwitchPolicy(policy); +} + +#include "qmeegographicssystem.moc" |