Don't crash in wxMenuBar::Remove() if unattached in wxGTK.

[wxWidgets.git] / src / osx / dataview_osx.cpp

diff --git a/src/osx/dataview_osx.cpp b/src/osx/dataview_osx.cpp
index bc82df964aef8e814cfa4a259608a93a8bcef526..fd5d37e76526560b5ef3063107b252b5265f7ea4 100644 (file)
--- a/src/osx/dataview_osx.cpp
+++ b/src/osx/dataview_osx.cpp
@@ -348,6 +348,11 @@ void wxDataViewCustomRenderer::SetDC(wxDC* newDCPtr)
 wxDataViewCtrl::~wxDataViewCtrl()
 {
   ClearColumns();
+
+  // Ensure that the already destructed controls is not notified about changes
+  // in the model any more.
+  if (m_ModelNotifier != NULL)
+    m_ModelNotifier->GetOwner()->RemoveNotifier(m_ModelNotifier);
 }
 
 void wxDataViewCtrl::Init()
@@ -355,6 +360,7 @@ void wxDataViewCtrl::Init()
   m_CustomRendererPtr = NULL;
   m_Deleting          = false;
   m_cgContext         = NULL;
+  m_ModelNotifier     = NULL;
 }
 
 bool wxDataViewCtrl::Create(wxWindow *parent,
@@ -381,10 +387,19 @@ bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
 
 
   wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
+
+  // We could have been associated with another model previously, break the
+  // association in this case.
+  if ( m_ModelNotifier )
+      m_ModelNotifier->GetOwner()->RemoveNotifier(m_ModelNotifier);
+
   if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
   {
     if (model != NULL)
-      model->AddNotifier(new wxOSXDataViewModelNotifier(this));
+    {
+      m_ModelNotifier = new wxOSXDataViewModelNotifier(this);
+      model->AddNotifier(m_ModelNotifier);
+    }
     return true;
   }
   else
@@ -530,6 +545,11 @@ void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
     GetDataViewPeer()->SetCurrentItem(item);
 }
 
+wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
+{
+    return GetDataViewPeer()->GetCurrentColumn();
+}
+
 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 {
   if (item.IsOk() && (columnPtr != NULL))
@@ -630,9 +650,9 @@ void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
   (void) GetModel()->ItemsAdded(parentItem,items);
 }
 
-void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
 {
-    GetDataViewPeer()->StartEditor(item, column);
+    GetDataViewPeer()->StartEditor(item, GetColumnPosition(column));
 }
 
 void wxDataViewCtrl::FinishCustomItemEditing()
@@ -713,7 +733,7 @@ void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
     if (GetModel() == NULL)
         return;
 
-    wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(m_peer));
+    wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(GetPeer()));
 
     int NoOfChildren;
     wxDataViewItemArray items;
@@ -738,7 +758,7 @@ void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 
            Rect itemrect;
            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
-              reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetPropertyID(),
+              reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetNativeData()->GetPropertyID(),
               kDataBrowserPropertyEnclosingPart, &itemrect );
 
            if (abs( event.GetX() - itemrect.right) < 3)