fixing overrelease and out-of-bounds write, fixes #13725

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

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index f687e7f9a07f925ba825db778e532ac82d61cab4..69301bc8a189ca6adb8485370d346a0cdc0ea836 100644 (file)
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -1705,12 +1705,17 @@ unsigned int wxDataViewListStore::GetColumnCount() const
     return m_cols.GetCount();
 }
 
+unsigned int wxDataViewListStore::GetItemCount() const
+{
+    return m_data.size();
+}
+
 wxString wxDataViewListStore::GetColumnType( unsigned int pos ) const
 {
     return m_cols[pos];
 }
 
-void wxDataViewListStore::AppendItem( const wxVector<wxVariant> &values, wxClientData *data )
+void wxDataViewListStore::AppendItem( const wxVector<wxVariant> &values, wxUIntPtr data )
 {
     wxDataViewListStoreLine *line = new wxDataViewListStoreLine( data );
     line->m_values = values;
@@ -1719,7 +1724,7 @@ void wxDataViewListStore::AppendItem( const wxVector<wxVariant> &values, wxClien
     RowAppended();
 }
 
-void wxDataViewListStore::PrependItem( const wxVector<wxVariant> &values, wxClientData *data )
+void wxDataViewListStore::PrependItem( const wxVector<wxVariant> &values, wxUIntPtr data )
 {
     wxDataViewListStoreLine *line = new wxDataViewListStoreLine( data );
     line->m_values = values;
@@ -1729,7 +1734,7 @@ void wxDataViewListStore::PrependItem( const wxVector<wxVariant> &values, wxClie
 }
 
 void wxDataViewListStore::InsertItem(  unsigned int row, const wxVector<wxVariant> &values,
-                                       wxClientData *data )
+                                       wxUIntPtr data )
 {
     wxDataViewListStoreLine *line = new wxDataViewListStoreLine( data );
     line->m_values = values;
@@ -1761,6 +1766,22 @@ void wxDataViewListStore::DeleteAllItems()
     Reset( 0 );
 }
 
+void wxDataViewListStore::SetItemData( const wxDataViewItem& item, wxUIntPtr data )
+{
+    wxDataViewListStoreLine* line = m_data[GetRow(item)];
+    if (!line) return;
+
+    line->SetData( data );
+}
+
+wxUIntPtr wxDataViewListStore::GetItemData( const wxDataViewItem& item ) const
+{
+    wxDataViewListStoreLine* line = m_data[GetRow(item)];
+    if (!line) return static_cast<wxUIntPtr>(NULL);
+
+    return line->GetData();
+}
+
 void wxDataViewListStore::GetValueByRow( wxVariant &value, unsigned int row, unsigned int col ) const
 {
     wxDataViewListStoreLine *line = m_data[row];
@@ -2163,10 +2184,7 @@ void wxDataViewTreeStore::DeleteItem( const wxDataViewItem& item )
     wxDataViewTreeStoreContainerNode *parent_node = FindContainerNode( parent_item );
     if (!parent_node) return;
 
-    wxDataViewTreeStoreContainerNode *node = FindContainerNode( item );
-    if (!node) return;
-
-    parent_node->GetChildren().DeleteObject( node );
+    parent_node->GetChildren().DeleteObject( FindNode(item) );
 }
 
 void wxDataViewTreeStore::DeleteChildren( const wxDataViewItem& item )