adding backtab to exception list

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

diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index b0c7fde7afd2c6f64a8cb47ed5bb11427119d4c0..46b5e997abc1c7b7f18c0b3cff7fd08c04322628 100644 (file)
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -125,9 +125,9 @@ public:
     virtual bool ItemsChanged( const wxDataViewItemArray &items );
     virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0;
     virtual bool Cleared() = 0;
-    
-    // this is needed for the virtual list model under GTK+
-    virtual bool BeforeReset( size_t WXUNUSED(old_size), size_t WXUNUSED(new_size) ) { return true; }
+
+    // some platforms, such as GTK+, may need a two step procedure for ::Reset()
+    virtual bool BeforeReset() { return true; }
     virtual bool AfterReset() { return Cleared(); }
 
     virtual void Resort() = 0;
@@ -172,6 +172,9 @@ public:
 
     bool IsDefault() const { return !(HasColour() || HasFont()); }
 
+    // Return the font based on the given one with this attribute applied to it.
+    wxFont GetEffectiveFont(const wxFont& font) const;
+
 private:
     wxColour m_colour;
     bool     m_bold;
@@ -231,6 +234,13 @@ public:
         return false;
     }
 
+    // Override this if you want to disable specific items
+    virtual bool IsEnabled(const wxDataViewItem &WXUNUSED(item),
+                           unsigned int WXUNUSED(col)) const
+    {
+        return true;
+    }
+
     // define hierachy
     virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const = 0;
     virtual bool IsContainer( const wxDataViewItem &item ) const = 0;
@@ -249,8 +259,8 @@ public:
     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
     bool Cleared();
 
-    // this is needed for the virtual list model under GTK+
-    bool BeforeReset( size_t old_size, size_t new_size );
+    // some platforms, such as GTK+, may need a two step procedure for ::Reset()
+    bool BeforeReset();
     bool AfterReset();
 
 
@@ -301,10 +311,18 @@ public:
         return false;
     }
 
+    virtual bool IsEnabledByRow(unsigned int WXUNUSED(row),
+                                unsigned int WXUNUSED(col)) const
+    {
+        return true;
+    }
+
 
     // helper methods provided by list models only
     virtual unsigned GetRow( const wxDataViewItem &item ) const = 0;
 
+    // returns the number of rows
+    virtual unsigned int GetCount() const = 0;
 
     // implement some base class pure virtual directly
     virtual wxDataViewItem
@@ -339,6 +357,12 @@ public:
         return GetAttrByRow( GetRow(item), col, attr );
     }
 
+    virtual bool IsEnabled(const wxDataViewItem &item, unsigned int col) const
+    {
+        return IsEnabledByRow( GetRow(item), col );
+    }
+
+
     virtual bool IsListModel() const { return true; }
 };
 
@@ -1148,7 +1172,7 @@ public:
 
     wxDataViewItem GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const;
     int GetChildCount( const wxDataViewItem& parent ) const;
-    
+
     void SetItemText( const wxDataViewItem& item, const wxString &text );
     wxString GetItemText( const wxDataViewItem& item ) const;
     void SetItemIcon( const wxDataViewItem& item, const wxIcon &icon );