wchar_t is now always required, updated chartype.h check accordingly

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

diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index 5e50b0a00e3c60220a7326d8da75f3bbed6b04ee..dca249147ad30565e2ee7f441d4a8bc5850a53b8 100644 (file)
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -23,6 +23,7 @@
 #include "wx/dynarray.h"
 #include "wx/icon.h"
 #include "wx/imaglist.h"
+#include "wx/weakref.h"
 
 class WXDLLIMPEXP_FWD_CORE wxDataFormat;
 
@@ -60,8 +61,9 @@ extern WXDLLIMPEXP_DATA_ADV(const wxChar) wxDataViewCtrlNameStr[];
 // the default minimal width of the columns:
 #define wxDVC_DEFAULT_MINWIDTH          30
 
-// the default alignment of wxDataViewRenderers:
-#define wxDVR_DEFAULT_ALIGNMENT         (wxALIGN_LEFT|wxALIGN_CENTRE_VERTICAL)
+// The default alignment of wxDataViewRenderers is to take
+// the alignment from the column it owns.
+#define wxDVR_DEFAULT_ALIGNMENT         -1
 
 
 // ---------------------------------------------------------
@@ -113,7 +115,7 @@ public:
     virtual void Resort() = 0;
 
     void SetOwner( wxDataViewModel *owner ) { m_owner = owner; }
-    wxDataViewModel *GetOwner()             { return m_owner; }
+    wxDataViewModel *GetOwner() const       { return m_owner; }
 
 private:
     wxDataViewModel *m_owner;
@@ -224,7 +226,7 @@ public:
     virtual bool HasDefaultCompare() const { return false; }
 
     // internal
-    virtual bool IsIndexListModel() const { return false; }
+    virtual bool IsVirtualListModel() const { return false; }
 
 protected:
     // the user should not delete this class directly: he should use DecRef() instead!
@@ -284,7 +286,7 @@ public:
     virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const;
 
     // internal
-    virtual bool IsIndexListModel() const { return true; }
+    virtual bool IsVirtualListModel() const { return false; }
     unsigned int GetLastIndex() const { return m_lastIndex; }
 
 private:
@@ -294,6 +296,71 @@ private:
     bool m_useHash;
 };
 
+// ---------------------------------------------------------
+// wxDataViewVirtualListModel
+// ---------------------------------------------------------
+
+#ifdef __WXMAC__
+// better than nothing
+typedef wxDataViewIndexListModel wxDataViewVirtualListModel;
+#else
+
+class WXDLLIMPEXP_ADV wxDataViewVirtualListModel: public wxDataViewModel
+{
+public:
+    wxDataViewVirtualListModel( unsigned int initial_size = 0 );
+    ~wxDataViewVirtualListModel();
+
+    virtual void GetValue( wxVariant &variant,
+                           unsigned int row, unsigned int col ) const = 0;
+
+    virtual bool SetValue( const wxVariant &variant,
+                           unsigned int row, unsigned int col ) = 0;
+
+    virtual bool GetAttr( unsigned int WXUNUSED(row), unsigned int WXUNUSED(col), wxDataViewItemAttr &WXUNUSED(attr) )
+        { return false; }
+
+    void RowPrepended();
+    void RowInserted( unsigned int before );
+    void RowAppended();
+    void RowDeleted( unsigned int row );
+    void RowsDeleted( const wxArrayInt &rows );
+    void RowChanged( unsigned int row );
+    void RowValueChanged( unsigned int row, unsigned int col );
+    void Reset( unsigned int new_size );
+
+    // convert to/from row/wxDataViewItem
+
+    unsigned int GetRow( const wxDataViewItem &item ) const;
+    wxDataViewItem GetItem( unsigned int row ) const;
+
+    // compare based on index
+
+    virtual int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
+                         unsigned int column, bool ascending );
+    virtual bool HasDefaultCompare() const;
+
+    // implement base methods
+
+    virtual void GetValue( wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col ) const;
+    virtual bool SetValue( const wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col );
+    virtual bool GetAttr( const wxDataViewItem &item, unsigned int col, wxDataViewItemAttr &attr );
+    virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const;
+    virtual bool IsContainer( const wxDataViewItem &item ) const;
+    virtual unsigned int GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const;
+
+    // internal
+    virtual bool IsVirtualListModel() const { return true; }
+    unsigned int GetLastIndex() const { return m_lastIndex; }
+
+private:
+    wxDataViewItemArray m_hash;
+    unsigned int m_lastIndex;
+    bool m_ordered;
+};
+#endif
 
 //-----------------------------------------------------------------------------
 // wxDataViewEditorCtrlEvtHandler
@@ -347,12 +414,13 @@ public:
     wxDataViewRendererBase( const wxString &varianttype,
                             wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
                             int alignment = wxDVR_DEFAULT_ALIGNMENT );
+    ~wxDataViewRendererBase();
 
     virtual bool Validate( wxVariant& WXUNUSED(value) )
         { return true; }
 
     void SetOwner( wxDataViewColumn *owner )    { m_owner = owner; }
-    wxDataViewColumn* GetOwner()                { return m_owner; }
+    wxDataViewColumn* GetOwner() const          { return m_owner; }
 
     // renderer properties:
 
@@ -390,7 +458,7 @@ public:
 protected:
     wxString                m_variantType;
     wxDataViewColumn       *m_owner;
-    wxControl              *m_editorCtrl;
+    wxWeakRef<wxControl>    m_editorCtrl;
     wxDataViewItem          m_item; // for m_editorCtrl
 
     // internal utility: