void VncView::startQuitting()
{
kDebug(5011) << "about to quit";
setStatus(Disconnecting);
m_quitFlag = true;
vncThread.stop();
unpressModifiers();
// Disconnect all signals so that we don't get any more callbacks from the client thread
vncThread.disconnect();
vncThread.quit();
const bool quitSuccess = vncThread.wait(500);
if (!quitSuccess) {
// happens when vncThread wants to call a slot via BlockingQueuedConnection,
// needs an event loop in this thread so execution continues after 'emit'
QEventLoop loop;
if (!loop.processEvents()) {
kDebug(5011) << "BUG: deadlocked, but no events to deliver?";
}
vncThread.wait(500);
}
kDebug(5011) << "Quit VNC thread success:" << quitSuccess;
setStatus(Disconnected);
}
void VncView::keyEventHandler(QKeyEvent *e)
{
// strip away autorepeating KeyRelease; see bug #206598
if (e->isAutoRepeat() && (e->type() == QEvent::KeyRelease))
return;
// parts of this code are based on http://italc.sourcearchive.com/documentation/1.0.9.1/vncview_8cpp-source.html
rfbKeySym k = e->nativeVirtualKey();
// we do not handle Key_Backtab separately as the Shift-modifier
// is already enabled
if (e->key() == Qt::Key_Backtab) {
k = XK_Tab;
}
const bool pressed = (e->type() == QEvent::KeyPress);
// handle modifiers
if (k == XK_Shift_L || k == XK_Control_L || k == XK_Meta_L || k == XK_Alt_L) {
if (pressed) {
m_mods[k] = true;
} else if (m_mods.contains(k)) {
m_mods.remove(k);
} else {
unpressModifiers();
}
}
if (k) {
vncThread.keyEvent(k, pressed);
}
}
VncView::~VncView()
{
unpressModifiers();
// Disconnect all signals so that we don't get any more callbacks from the client thread
disconnect(&vncThread, SIGNAL(imageUpdated(int, int, int, int)), this, SLOT(updateImage(int, int, int, int)));
disconnect(&vncThread, SIGNAL(gotCut(const QString&)), this, SLOT(setCut(const QString&)));
disconnect(&vncThread, SIGNAL(passwordRequest()), this, SLOT(requestPassword()));
disconnect(&vncThread, SIGNAL(outputErrorMessage(QString)), this, SLOT(outputErrorMessage(QString)));
startQuitting();
}
