diff options
Diffstat (limited to 'src/platformsupport')
| -rw-r--r-- | src/platformsupport/eventdispatchers/qeventdispatcher_cf.mm | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/platformsupport/eventdispatchers/qeventdispatcher_cf.mm b/src/platformsupport/eventdispatchers/qeventdispatcher_cf.mm index ab26b4c1d8..6442df715a 100644 --- a/src/platformsupport/eventdispatchers/qeventdispatcher_cf.mm +++ b/src/platformsupport/eventdispatchers/qeventdispatcher_cf.mm @@ -460,8 +460,17 @@ void QEventDispatcherCoreFoundation::handleRunLoopActivity(CFRunLoopActivity act bool QEventDispatcherCoreFoundation::hasPendingEvents() { - qDebug() << __FUNCTION__ << "not implemented"; - return false; + // There doesn't seem to be any API on iOS to peek into the other sources + // to figure out if there are pending non-Qt events. As a workaround, we + // assume that if the run-loop is currently blocking and waiting for a + // source to signal then there are no system-events pending. If this + // function is called from the main thread then the second clause + // of the condition will always be true, as the the run loop is + // never waiting in that case. The function would be more aptly named + // 'maybeHasPendingEvents' in our case. + + extern uint qGlobalPostedEventsCount(); + return qGlobalPostedEventsCount() || !CFRunLoopIsWaiting(CFRunLoopGetMain()); } void QEventDispatcherCoreFoundation::wakeUp() |