QWaylandDisplay::QWaylandDisplay()
: mLastKeyboardFocusInputDevice(0)
, mDndSelectionHandler(0)
, mWindowExtension(0)
, mSubSurfaceExtension(0)
, mOutputExtension(0)
, mTouchExtension(0)
, mQtKeyExtension(0)
{
display = this;
qRegisterMetaType<uint32_t>("uint32_t");
mEventThreadObject = new QWaylandEventThread(0);
mEventThread = new QThread(this);
mEventThreadObject->moveToThread(mEventThread);
mEventThread->start();
mEventThreadObject->displayConnect();
mDisplay = mEventThreadObject->display(); //blocks until display is available
//Create a new even queue for the QtGui thread
mEventQueue = wl_display_create_queue(mDisplay);
struct ::wl_registry *registry = wl_display_get_registry(mDisplay);
wl_proxy_set_queue((struct wl_proxy *)registry, mEventQueue);
init(registry);
QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(flushRequests()));
connect(mEventThreadObject, SIGNAL(newEventsRead()), this, SLOT(flushRequests()));
#ifdef QT_WAYLAND_GL_SUPPORT
mEglIntegration = QWaylandGLIntegration::createGLIntegration(this);
#endif
mWindowManagerIntegration = new QWaylandWindowManagerIntegration(this);
blockingReadEvents();
#ifdef QT_WAYLAND_GL_SUPPORT
mEglIntegration->initialize();
flushRequests();
while (mEglIntegration->waitingForEvents())
blockingReadEvents();
#endif
waitForScreens();
}
void QWaylandDisplay::waitForScreens()
{
flushRequests();
while (true) {
bool screensReady = !mScreens.isEmpty();
for (int ii = 0; screensReady && ii < mScreens.count(); ++ii) {
if (mScreens.at(ii)->geometry() == QRect(0, 0, 0, 0))
screensReady = false;
}
if (!screensReady)
blockingReadEvents();
else
return;
}
}
QWaylandDisplay::QWaylandDisplay(void)
: argb_visual(0), premultiplied_argb_visual(0), rgb_visual(0)
{
display = this;
qRegisterMetaType<uint32_t>("uint32_t");
mDisplay = wl_display_connect(NULL);
if (mDisplay == NULL) {
qErrnoWarning(errno, "Failed to create display");
qFatal("No wayland connection available.");
}
wl_display_add_global_listener(mDisplay, QWaylandDisplay::displayHandleGlobal, this);
#ifdef QT_WAYLAND_GL_SUPPORT
mEglIntegration = QWaylandGLIntegration::createGLIntegration(this);
#endif
#ifdef QT_WAYLAND_WINDOWMANAGER_SUPPORT
mWindowManagerIntegration = QWaylandWindowManagerIntegration::createIntegration(this);
#endif
blockingReadEvents();
#ifdef QT_WAYLAND_GL_SUPPORT
mEglIntegration->initialize();
#endif
connect(QAbstractEventDispatcher::instance(), SIGNAL(aboutToBlock()), this, SLOT(flushRequests()));
mFd = wl_display_get_fd(mDisplay, sourceUpdate, this);
mReadNotifier = new QSocketNotifier(mFd, QSocketNotifier::Read, this);
connect(mReadNotifier, SIGNAL(activated(int)), this, SLOT(readEvents()));
waitForScreens();
}
void QWaylandDisplay::waitForScreens()
{
flushRequests();
while (mScreens.isEmpty())
blockingReadEvents();
}
