ignore mouse wheel events which are coming too fast to be processed (#9057)

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

diff --git a/src/common/event.cpp b/src/common/event.cpp
index a03b9fe1b92a9df9f9c84898cc5dd647763c8935..6c18e84338c1f11352c688db6f5cf60176071a37 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -45,6 +45,13 @@
 
 #include "wx/thread.h"
 
+#if wxUSE_BASE
+    #include "wx/ptr_scpd.h"
+
+    wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr)
+    wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr)
+#endif // wxUSE_BASE
+
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
@@ -176,6 +183,7 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED)
 
 // Mouse event types
@@ -1120,23 +1128,17 @@ bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event)
 
 #endif // wxUSE_THREADS
 
-void wxEvtHandler::AddPendingEvent(const wxEvent& event)
+void wxEvtHandler::QueueEvent(wxEvent *event)
 {
-    // 1) Add event to list of pending events of this event handler
-
-    wxEvent *eventCopy = event.Clone();
-
-    // we must be able to copy the events here so the event class must
-    // implement Clone() properly instead of just providing a NULL stab for it
-    wxCHECK_RET( eventCopy,
-                 _T("events of this type aren't supposed to be posted") );
+    wxCHECK_RET( event, "NULL event can't be posted" );
 
+    // 1) Add this event to our list of pending events
     wxENTER_CRIT_SECT( m_pendingEventsLock );
 
     if ( !m_pendingEvents )
       m_pendingEvents = new wxList;
 
-    m_pendingEvents->Append(eventCopy);
+    m_pendingEvents->Append(event);
 
     wxLEAVE_CRIT_SECT( m_pendingEventsLock );
 
@@ -1167,7 +1169,7 @@ void wxEvtHandler::ProcessPendingEvents()
                  "should have pending events if called" );
 
     wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
-    wxEvent * const event = wx_static_cast(wxEvent *, node->GetData());
+    wxEventPtr event(wx_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
@@ -1177,7 +1179,17 @@ void wxEvtHandler::ProcessPendingEvents()
     // if there are no more pending events left, we don't need to stay in this
     // list
     if ( m_pendingEvents->IsEmpty() )
+    {
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxENTER_CRIT_SECT(*wxPendingEventsLocker);
+#endif
         wxPendingEvents->DeleteObject(this);
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+#endif
+    }
 
     wxLEAVE_CRIT_SECT( m_pendingEventsLock );
 
@@ -1186,8 +1198,6 @@ void wxEvtHandler::ProcessPendingEvents()
     // careful: this object could have been deleted by the event handler
     // executed by the above ProcessEvent() call, so we can't access any fields
     // of this object any more
-
-    delete event;
 }
 
 /*
@@ -1368,7 +1378,7 @@ void wxEvtHandler::Connect( int id, int lastId,
     m_dynamicEvents->Insert( (wxObject*) entry );
 
     // Make sure we get to know when a sink is destroyed
-    if ( eventSink )
+    if ( eventSink && eventSink != this )
     {
         wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
         if ( evtConnRef )
@@ -1387,7 +1397,7 @@ bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
         return false;
 
     // Remove connection from tracker node (wxEventConnectionRef)
-    if ( eventSink )
+    if ( eventSink && eventSink != this )
     {
         wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
         if ( evtConnRef )