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fix HasPendingEvents() to only return true if there are actually events pending

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47463 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2007-07-14 18:18:22 +00:00
parent d970f7d5cb
commit a1312bc8b2
1 changed files with 18 additions and 21 deletions
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39
src/common/appbase.cpp
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@ -330,16 +330,13 @@ bool wxAppConsoleBase::Dispatch()
bool wxAppConsoleBase::HasPendingEvents() const
{
// ensure that we're the only thread to modify the pending events list
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
if ( !wxPendingEvents )
{
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
return false;
}
bool has = wxPendingEvents && !wxPendingEvents->IsEmpty();
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
return true;
return has;
}
/* static */
@ -357,27 +354,27 @@ void wxAppConsoleBase::ProcessPendingEvents()
return;
#endif
if ( !HasPendingEvents() )
return;
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
// iterate until the list becomes empty
wxList::compatibility_iterator node = wxPendingEvents->GetFirst();
while (node)
if (wxPendingEvents)
{
wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
wxPendingEvents->Erase(node);
// iterate until the list becomes empty
wxList::compatibility_iterator node = wxPendingEvents->GetFirst();
while (node)
{
wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
wxPendingEvents->Erase(node);
// In ProcessPendingEvents(), new handlers might be add
// and we can safely leave the critical section here.
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
// In ProcessPendingEvents(), new handlers might be add
// and we can safely leave the critical section here.
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
handler->ProcessPendingEvents();
handler->ProcessPendingEvents();
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
wxENTER_CRIT_SECT( *wxPendingEventsLocker );
node = wxPendingEvents->GetFirst();
node = wxPendingEvents->GetFirst();
}
}
wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );