add wxScrollHelper::ShowScrollbars() (implemented for GTK only right now, generic...

[wxWidgets.git] / src / common / event.cpp

diff --git a/src/common/event.cpp b/src/common/event.cpp
index 630a4f20cc9e3add75cd7582ef34167befc92e73..590c3adf3e0939eee70349257d7f743f21b964f2 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -1143,8 +1143,6 @@ void wxEvtHandler::QueueEvent(wxEvent *event)
 
     m_pendingEvents->Append(event);
 
-    wxLEAVE_CRIT_SECT( m_pendingEventsLock );
-
     // 2) Add this event handler to list of event handlers that
     //    have pending events.
 
@@ -1157,6 +1155,14 @@ void wxEvtHandler::QueueEvent(wxEvent *event)
 
     wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
 
+    // only release m_pendingEventsLock now because otherwise there is a race
+    // condition as described in the ticket #9093: we could process the event
+    // just added to m_pendingEvents in our ProcessPendingEvents() below before
+    // we had time to append this pointer to wxPendingEvents list; thus
+    // breaking the invariant that a handler should be in the list iff it has
+    // any pending events to process
+    wxLEAVE_CRIT_SECT( m_pendingEventsLock );
+
     // 3) Inform the system that new pending events are somewhere,
     //    and that these should be processed in idle time.
     wxWakeUpIdle();
@@ -1292,7 +1298,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
         return true;
 
     // propagate the event upwards the window chain and/or to the application
-    // object if it wasn't processed at this level 
+    // object if it wasn't processed at this level
     return TryParent(event);
 }
 
@@ -1377,7 +1383,7 @@ bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
 }
 
 void wxEvtHandler::Connect( int id, int lastId,
-                            int eventType,
+                            wxEventType eventType,
                             wxObjectEventFunction func,
                             wxObject *userData,
                             wxEvtHandler* eventSink )