LRESULT QT_WIN_CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
{
if (message == WM_NCCREATE)
return true;
MSG msg;
msg.hwnd = hwnd;
msg.message = message;
msg.wParam = wp;
msg.lParam = lp;
QCoreApplication *app = QCoreApplication::instance();
long result;
if (!app) {
if (message == WM_TIMER)
KillTimer(hwnd, wp);
return 0;
} else if (app->filterEvent(&msg, &result)) {
return result;
}
#ifdef GWLP_USERDATA
QEventDispatcherWin32 *q = (QEventDispatcherWin32 *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
#else
QEventDispatcherWin32 *q = (QEventDispatcherWin32 *) GetWindowLong(hwnd, GWL_USERDATA);
#endif
QEventDispatcherWin32Private *d = 0;
if (q != 0)
d = q->d_func();
if (message == WM_QT_SOCKETNOTIFIER) {
// socket notifier message
int type = -1;
switch (WSAGETSELECTEVENT(lp)) {
case FD_READ:
case FD_CLOSE:
case FD_ACCEPT:
type = 0;
break;
case FD_WRITE:
case FD_CONNECT:
type = 1;
break;
case FD_OOB:
type = 2;
break;
}
if (type >= 0) {
Q_ASSERT(d != 0);
QSNDict *sn_vec[3] = { &d->sn_read, &d->sn_write, &d->sn_except };
QSNDict *dict = sn_vec[type];
QSockNot *sn = dict ? dict->value(wp) : 0;
if (sn) {
QEvent event(QEvent::SockAct);
QCoreApplication::sendEvent(sn->obj, &event);
}
}
return 0;
} else if (message == WM_QT_SENDPOSTEDEVENTS
// we also use a Windows timer to send posted events when the message queue is full
|| (message == WM_TIMER
&& d->sendPostedEventsWindowsTimerId != 0
&& wp == (uint)d->sendPostedEventsWindowsTimerId)) {
const int localSerialNumber = d->serialNumber.load();
if (localSerialNumber != d->lastSerialNumber) {
d->lastSerialNumber = localSerialNumber;
QCoreApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
}
return 0;
} else if (message == WM_TIMER) {
Q_ASSERT(d != 0);
d->sendTimerEvent(wp);
return 0;
}
return DefWindowProc(hwnd, message, wp, lp);
}
