X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d8090b5e2c5d980b243674c7d99b4b4200af39d4..58ce18f2fdadecffb21e27555115af708325cf18:/include/wx/dataview.h

diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index 0daadfc7ed..46b5e997ab 100644
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -125,7 +125,7 @@ public:
     virtual bool ItemsChanged( const wxDataViewItemArray &items );
     virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col ) = 0;
     virtual bool Cleared() = 0;
-    
+
     // some platforms, such as GTK+, may need a two step procedure for ::Reset()
     virtual bool BeforeReset() { return true; }
     virtual bool AfterReset() { return Cleared(); }
@@ -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;
@@ -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 );