Implement attributes support in generic wxDataViewIconTextRenderer.

Simply override RenderWithAttr() instead of Render().

Update the sample to show that this works now.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62395 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/dataview.h

@@ -275,12 +275,19 @@ public:
     wxDataViewIconTextRenderer( const wxString &varianttype = wxT("wxDataViewIconText"),
                                 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
                                 int align = wxDVR_DEFAULT_ALIGNMENT );
-    virtual ~wxDataViewIconTextRenderer();
 
     bool SetValue( const wxVariant &value );
     bool GetValue( wxVariant &value ) const;
 
-    virtual bool Render( wxRect cell, wxDC *dc, int state );
+    virtual bool RenderWithAttr(wxDC& dc,
+                                const wxRect& rect,
+                                int align,
+                                const wxDataViewItemAttr *attr,
+                                int state);
+    virtual bool Render(wxRect cell, wxDC *dc, int state)
+    {
+        return DummyRender(cell, dc, state);
+    }
     virtual wxSize GetSize() const;
 
     virtual bool HasEditorCtrl() const { return true; }

samples/dataview/mymodels.cpp

@@ -430,9 +430,18 @@ void MyListModel::GetValueByRow( wxVariant &variant,
 bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col,
                                 wxDataViewItemAttr &attr )
 {
-    if (col != 2)
+    switch ( col )
+    {
+        case 0:
             return false;
 
+        case 1:
+            if ( !(row % 2) )
+                return false;
+            attr.SetColour(*wxLIGHT_GREY);
+            break;
+
+        case 2:
             // do what the labels defined above hint at
             switch ( row % 5 )
             {
@@ -456,6 +465,8 @@ bool MyListModel::GetAttrByRow( unsigned int row, unsigned int col,
                 case 4:
                     return false;
             }
+            break;
+    }
 
     return true;
 }

src/generic/datavgen.cpp

@@ -1108,10 +1108,6 @@ const wxString &varianttype, wxDataViewCellMode mode, int align ) :
     SetAlignment(align);
 }
 
-wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
-{
-}
-
 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
 {
     m_value << value;
@@ -1123,17 +1119,23 @@ bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
     return false;
 }
 
-bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool
+wxDataViewIconTextRenderer::RenderWithAttr(wxDC& dc,
+                                           const wxRect& rect,
+                                           int align,
+                                           const wxDataViewItemAttr *attr,
+                                           int state)
 {
     int xoffset = 0;
-    const wxIcon &icon = m_value.GetIcon();
-    if (icon.IsOk())
+
+    const wxIcon& icon = m_value.GetIcon();
+    if ( icon.IsOk() )
     {
-        dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
+        dc.DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
         xoffset = icon.GetWidth()+4;
     }
 
-    RenderText( m_value.GetText(), xoffset, cell, dc, state );
+    RenderText(dc, rect, align, m_value.GetText(), attr, state, xoffset);
 
     return true;
 }