Allow retrieving the descent and external leading of empty strings.

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

diff --git a/src/common/event.cpp b/src/common/event.cpp
index c35ba60eb87f81a36f49d8e96823552bcf3e6e27..c9e8f11bcadbec2604eac1db6935074c20d77c1a 100644 (file)
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -369,7 +369,9 @@ wxEvent::wxEvent(int theId, wxEventType commandType)
     m_handlerToProcessOnlyIn = NULL;
     m_isCommandEvent = false;
     m_propagationLevel = wxEVENT_PROPAGATE_NONE;
+    m_propagatedFrom = NULL;
     m_wasProcessed = false;
+    m_willBeProcessedAgain = false;
 }
 
 wxEvent::wxEvent(const wxEvent& src)
@@ -381,9 +383,11 @@ wxEvent::wxEvent(const wxEvent& src)
     , m_callbackUserData(src.m_callbackUserData)
     , m_handlerToProcessOnlyIn(NULL)
     , m_propagationLevel(src.m_propagationLevel)
+    , m_propagatedFrom(NULL)
     , m_skipped(src.m_skipped)
     , m_isCommandEvent(src.m_isCommandEvent)
     , m_wasProcessed(false)
+    , m_willBeProcessedAgain(false)
 {
 }
 
@@ -398,11 +402,16 @@ wxEvent& wxEvent::operator=(const wxEvent& src)
     m_callbackUserData = src.m_callbackUserData;
     m_handlerToProcessOnlyIn = NULL;
     m_propagationLevel = src.m_propagationLevel;
+    m_propagatedFrom = NULL;
     m_skipped = src.m_skipped;
     m_isCommandEvent = src.m_isCommandEvent;
 
     // don't change m_wasProcessed
 
+    // While the original again could be passed to another handler, this one
+    // isn't going to be processed anywhere else by default.
+    m_willBeProcessedAgain = false;
+
     return *this;
 }
 
@@ -559,6 +568,7 @@ wxMouseEvent::wxMouseEvent(wxEventType commandType)
     m_wheelRotation = 0;
     m_wheelDelta = 0;
     m_linesPerAction = 0;
+    m_columnsPerAction = 0;
 }
 
 void wxMouseEvent::Assign(const wxMouseEvent& event)
@@ -581,6 +591,7 @@ void wxMouseEvent::Assign(const wxMouseEvent& event)
     m_wheelRotation = event.m_wheelRotation;
     m_wheelDelta = event.m_wheelDelta;
     m_linesPerAction = event.m_linesPerAction;
+    m_columnsPerAction = event.m_columnsPerAction;
     m_wheelAxis = event.m_wheelAxis;
 }
 
@@ -1428,6 +1439,12 @@ bool wxEvtHandler::TryAfter(wxEvent& event)
     if ( GetNextHandler() )
         return GetNextHandler()->TryAfter(event);
 
+    // If this event is going to be processed in another handler next, don't
+    // pass it to wxTheApp now, it will be done from TryAfter() of this other
+    // handler.
+    if ( event.WillBeProcessedAgain() )
+        return false;
+
 #if WXWIN_COMPATIBILITY_2_8
     // as above, call the old virtual function for compatibility
     return TryParent(event);