using wx dynamic cast

[wxWidgets.git] / src / gtk / dataview.cpp

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index f4e95b42ea828e9e0d8cbdd9db9e7191110ac8a4..f62853a3dba76de184bea0d04199f375947efb1b 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -111,6 +111,9 @@ public:
     wxDataViewCtrl* GetOwner()          { return m_owner; }
     GtkWxTreeModel* GetGtkModel()       { return m_gtk_model; }
 
+    // item can be deleted already in the model    
+    int GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item );
+
 protected:
     void InitTree();
     wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
@@ -542,8 +545,8 @@ wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
         gtype = G_TYPE_STRING;
     else
     {
-        gtype = G_TYPE_STRING;
-        // wxFAIL_MSG( wxT("non-string columns not supported yet") );
+        gtype = G_TYPE_POINTER;
+        // wxFAIL_MSG( wxT("non-string columns not supported for searching yet") );
     }
 
     return gtype;
@@ -620,7 +623,10 @@ wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
-    g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
+    if (parent)
+    {
+        g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
+    }
 
     return wxtree_model->internal->iter_children( iter, parent );
 }
@@ -1394,12 +1400,26 @@ bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const
 
 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
+#if 0
+    // using _get_path for a deleted item cannot be
+    // a good idea
     GtkTreeIter iter;
     iter.stamp = m_wxgtk_model->stamp;
     iter.user_data = (gpointer) item.GetID();
-
     GtkTreePath *path = wxgtk_tree_model_get_path(
         GTK_TREE_MODEL(m_wxgtk_model), &iter );
+#else
+    // so get the path from the parent
+    GtkTreeIter iter;
+    iter.stamp = m_wxgtk_model->stamp;
+    iter.user_data = (gpointer) parent.GetID();
+    GtkTreePath *path = wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(m_wxgtk_model), &iter );
+    // and add the final index ourselves
+    int index = m_owner->GtkGetInternal()->GetIndexOf( parent, item );
+    gtk_tree_path_append_index( path, index );
+#endif
+     
     gtk_tree_model_row_deleted(
         GTK_TREE_MODEL(m_wxgtk_model), path );
     gtk_tree_path_free (path);
@@ -1678,6 +1698,7 @@ int wxDataViewRenderer::GetAlignment() const
 
 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
 {
+#ifdef __WXGTK26__
     if ( gtk_check_version(2, 6, 0) != NULL )
         return;
 
@@ -1692,10 +1713,14 @@ void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
     g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
     g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );
     g_value_unset( &gvalue );
+#else // GTK < 2.6
+    wxUnusedVar(mode);
+#endif // GTK 2.6/before
 }
 
 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
 {
+#ifdef __WXGTK26__
     if ( gtk_check_version(2, 6, 0) != NULL )
         return wxELLIPSIZE_NONE;
 
@@ -1711,6 +1736,9 @@ wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
     g_value_unset( &gvalue );
 
     return mode;
+#else // GTK < 2.6
+    return wxELLIPSIZE_NONE;
+#endif // GTK 2.6/before
 }
 
 void
@@ -3494,6 +3522,9 @@ gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path
 
 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
 {
+    // When this is called from ItemDeleted(), the item is already
+    // deleted in the model.
+
     GtkTreePath *retval = gtk_tree_path_new ();
 
     if (m_wx_model->IsVirtualListModel())
@@ -3591,7 +3622,10 @@ gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *
             return TRUE;
         }
 
-        wxDataViewItem item( (void*) parent->user_data );
+        
+        wxDataViewItem item;
+        if (parent)
+            item = wxDataViewItem( (void*) parent->user_data );
 
         if (!m_wx_model->IsContainer( item ))
             return FALSE;
@@ -3739,6 +3773,21 @@ gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *ch
     }
 }
 
+// item can be deleted already in the model    
+int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+    wxGtkTreeModelNode *parent_node = FindNode( parent );
+    wxGtkTreeModelChildren &children = parent_node->GetChildren();
+    size_t j;
+    for (j = 0; j < children.GetCount(); j++)
+    {
+       if (children[j] == item.GetID())
+          return j;
+    }
+    return -1;
+}
+
+
 static wxGtkTreeModelNode*
 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
 {
@@ -3762,7 +3811,7 @@ wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *tr
         if( node && node->GetNodes().GetCount() != 0 )
         {
             int len = node->GetNodes().GetCount();
-            wxGtkTreeModelNodes nodes = node->GetNodes();
+            wxGtkTreeModelNodes &nodes = node->GetNodes();
             int j = 0;
             for( ; j < len; j ++)
             {