add support for sorting to grid columns

[wxWidgets.git] / include / wx / generic / dataview.h

diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index 953c2931427478ebdfa2376f7fc3eec5b47855f7..db9202eea9e084c4d9c1cfcb4830049843f607d6 100644 (file)
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -463,8 +463,8 @@ protected:
     virtual wxDataViewItem GetItemByRow( unsigned int row ) const;
     virtual int GetRowByItem( const wxDataViewItem & item ) const;
 
-    wxDataViewColumn* GetSortingColumn() { return m_sortingColumn; }
-    void SetSortingColumn( wxDataViewColumn* column ) { m_sortingColumn = column; }
+    int GetSortingColumnIndex() const { return m_sortingColumnIdx; }
+    void SetSortingColumnIndex(int idx) { m_sortingColumnIdx = idx; }
 
 public:     // utility functions not part of the API
 
@@ -485,12 +485,20 @@ public:     // utility functions not part of the API
 
     wxWindow *GetMainWindow() { return (wxWindow*) m_clientArea; }
 
+    // return the index of the given column in m_cols
+    int GetColumnIndex(const wxDataViewColumn *column) const;
+
+    // return the column displayed at the given position in the control
+    wxDataViewColumn *GetColumnAt(unsigned int pos) const;
+
 private:
     wxDataViewColumnList      m_cols;
     wxDataViewModelNotifier  *m_notifier;
     wxDataViewMainWindow     *m_clientArea;
     wxDataViewHeaderWindow   *m_headerArea;
-    wxDataViewColumn         *m_sortingColumn;
+
+    // the index of the column currently used for sorting or -1
+    int m_sortingColumnIdx;
 
 private:
     void OnSize( wxSizeEvent &event );