X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ce2fb71397346ceaba2ea49b73df72c3cdcafb4..3a6ec3c88033c43e108cb1f302717696682eb34f:/src/common/event.cpp

diff --git a/src/common/event.cpp b/src/common/event.cpp
index 7b33c11e77..590c3adf3e 100644
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -561,7 +561,10 @@ wxMouseEvent::wxMouseEvent(wxEventType commandType)
 void wxMouseEvent::Assign(const wxMouseEvent& event)
 {
     wxEvent::operator=(event);
-    wxMouseState::operator=(event);
+
+    // Borland C++ 5.82 doesn't compile an explicit call to an implicitly
+    // defined operator=() so need to do it this way:
+    *static_cast<wxMouseState *>(this) = event;
 
     m_x = event.m_x;
     m_y = event.m_y;
@@ -1140,8 +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.
 
@@ -1154,6 +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();
@@ -1169,7 +1178,7 @@ void wxEvtHandler::ProcessPendingEvents()
                  "should have pending events if called" );
 
     wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
-    wxEventPtr event(wx_static_cast(wxEvent *, node->GetData()));
+    wxEventPtr event(static_cast<wxEvent *>(node->GetData()));
 
     // it's important we remove event from list before processing it, else a
     // nested event loop, for example from a modal dialog, might process the
@@ -1289,7 +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);
 }
 
@@ -1374,7 +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 )
@@ -1395,7 +1404,7 @@ void wxEvtHandler::Connect( int id, int lastId,
         if ( evtConnRef )
             evtConnRef->IncRef( );
         else
-            evtConnRef = new wxEventConnectionRef(this, eventSink);
+            new wxEventConnectionRef(this, eventSink);
     }
 }