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 ad62ddae046d8a8e7c4bf5e6ef540d2f0585bff7..69301bc8a189ca6adb8485370d346a0cdc0ea836 100644 (file)
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -308,15 +308,6 @@ void wxDataViewModel::RemoveNotifier( wxDataViewModelNotifier *notifier )
 int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
                               unsigned int column, bool ascending ) const
 {
-    // sort branches before leaves
-    bool item1_is_container = IsContainer(item1);
-    bool item2_is_container = IsContainer(item2);
-
-    if (item1_is_container && !item2_is_container)
-        return 1;
-    if (item2_is_container && !item1_is_container)
-        return -1;
-
     wxVariant value1,value2;
     GetValue( value1, item1, column );
     GetValue( value2, item2, column );
@@ -451,15 +442,12 @@ void wxDataViewIndexListModel::RowDeleted( unsigned int row )
     m_ordered = false;
 
     wxDataViewItem item( m_hash[row] );
-    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
     m_hash.RemoveAt( row );
+    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
 }
 
 void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
 {
-    wxArrayInt sorted = rows;
-    sorted.Sort( my_sort );
-
     m_ordered = false;
 
     wxDataViewItemArray array;
@@ -469,10 +457,13 @@ void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
             wxDataViewItem item( m_hash[rows[i]] );
             array.Add( item );
     }
-    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 
+    wxArrayInt sorted = rows;
+    sorted.Sort( my_sort );
     for (i = 0; i < sorted.GetCount(); i++)
            m_hash.RemoveAt( sorted[i] );
+
+    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 }
 
 void wxDataViewIndexListModel::RowChanged( unsigned int row )
@@ -500,33 +491,6 @@ wxDataViewItem wxDataViewIndexListModel::GetItem( unsigned int row ) const
     return wxDataViewItem( m_hash[row] );
 }
 
-bool wxDataViewIndexListModel::HasDefaultCompare() const
-{
-    return !m_ordered;
-}
-
-int wxDataViewIndexListModel::Compare(const wxDataViewItem& item1,
-                                      const wxDataViewItem& item2,
-                                      unsigned int WXUNUSED(column),
-                                      bool ascending) const
-{
-    if (m_ordered)
-    {
-        unsigned int pos1 = wxPtrToUInt(item1.GetID());  // -1 not needed here
-        unsigned int pos2 = wxPtrToUInt(item2.GetID());  // -1 not needed here
-
-        if (ascending)
-            return pos1 - pos2;
-        else
-            return pos2 - pos1;
-    }
-
-    if (ascending)
-        return GetRow(item1) - GetRow(item2);
-
-    return GetRow(item2) - GetRow(item1);
-}
-
 unsigned int wxDataViewIndexListModel::GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const
 {
     if (item.IsOk())
@@ -672,6 +636,8 @@ wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype,
 
 wxDataViewRendererBase::~wxDataViewRendererBase()
 {
+    if ( m_editorCtrl )
+        DestroyEditControl();
 }
 
 wxDataViewCtrl* wxDataViewRendererBase::GetView() const
@@ -740,6 +706,9 @@ void wxDataViewRendererBase::DestroyEditControl()
 
     wxPendingDelete.Append(handler);
     wxPendingDelete.Append(m_editorCtrl);
+
+    // Ensure that DestroyEditControl() is not called again for this control.
+    m_editorCtrl.Release();
 }
 
 void wxDataViewRendererBase::CancelEditing()
@@ -760,10 +729,10 @@ bool wxDataViewRendererBase::FinishEditing()
 
     wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
 
-    dv_ctrl->GetMainWindow()->SetFocus();
-
     DestroyEditControl();
 
+    dv_ctrl->GetMainWindow()->SetFocus();
+
     bool isValid = Validate(value);
     unsigned int col = GetOwner()->GetModelColumn();
 
@@ -820,6 +789,18 @@ bool wxDataViewCustomRendererBase::ActivateCell(const wxRect& cell,
         return Activate(cell, model, item, col);
 }
 
+void wxDataViewCustomRendererBase::RenderBackground(wxDC* dc, const wxRect& rect)
+{
+    if ( !m_attr.HasBackgroundColour() )
+        return;
+
+    const wxColour& colour = m_attr.GetBackgroundColour();
+    wxDCPenChanger changePen(*dc, colour);
+    wxDCBrushChanger changeBrush(*dc, colour);
+
+    dc->DrawRectangle(rect);
+}
+
 void
 wxDataViewCustomRendererBase::WXCallRender(wxRect rectCell, wxDC *dc, int state)
 {
@@ -1404,6 +1385,11 @@ wxDataViewCtrlBase::InsertColumn( unsigned int WXUNUSED(pos), wxDataViewColumn *
     return true;
 }
 
+void wxDataViewCtrlBase::StartEditor(const wxDataViewItem& item, unsigned int column)
+{
+    EditItem(item, GetColumn(column));
+}
+
 // ---------------------------------------------------------
 // wxDataViewEvent
 // ---------------------------------------------------------
@@ -1719,12 +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;
@@ -1733,7 +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;
@@ -1743,7 +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;
@@ -1775,6 +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];
@@ -2177,10 +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 )