added support for item attributes in virtual list control

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10972 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/listctrl/listtest.cpp

@@ -657,6 +657,22 @@ void MyListCtrl::OnListKeyDown(wxListEvent& event)
 {
     switch ( event.GetCode() )
     {
+        case 'c':
+            {
+                wxListItem info;
+                info.m_itemId = event.GetIndex();
+                GetItem(info);
+
+                wxListItemAttr *attr = info.GetAttributes();
+                if ( !attr || !attr->HasTextColour() )
+                {
+                    info.SetTextColour(*wxCYAN);
+
+                    SetItem(info);
+                }
+            }
+            break;
+
         case WXK_DELETE:
             DeleteItem(event.GetIndex());
 
@@ -708,6 +724,11 @@ int MyListCtrl::OnGetItemImage(long item) const
     return 0;
 }
 
+wxListItemAttr *MyListCtrl::OnGetItemAttr(long item) const
+{
+    return item % 2 ? NULL : (wxListItemAttr *)&m_attr;
+}
+
 void MyListCtrl::InsertItemInReportView(int i)
 {
     wxString buf;

samples/listctrl/listtest.h

@@ -19,9 +19,13 @@ public:
 class MyListCtrl: public wxListCtrl
 {
 public:
-    MyListCtrl(wxWindow *parent, const wxWindowID id, const wxPoint& pos,
-            const wxSize& size, long style):
-        wxListCtrl(parent, id, pos, size, style)
+    MyListCtrl(wxWindow *parent,
+               const wxWindowID id,
+               const wxPoint& pos,
+               const wxSize& size,
+               long style)
+        : wxListCtrl(parent, id, pos, size, style),
+          m_attr(*wxCYAN, *wxLIGHT_GREY, wxNullFont)
         {
         }
 
@@ -49,6 +53,9 @@ private:
 
     virtual wxString OnGetItemText(long item, long column) const;
     virtual int OnGetItemImage(long item) const;
+    virtual wxListItemAttr *OnGetItemAttr(long item) const;
+
+    wxListItemAttr m_attr;
 
     DECLARE_EVENT_TABLE()
 };