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

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 71bb162ad43e511c6dbe3557fe81c08b12bcff53..0110325a42bd5087cee30c42931515ef791d69a2 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -640,9 +640,7 @@ wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
-
-    if (iter != NULL)
-        g_return_val_if_fail (wxtree_model->stamp == iter->stamp, 0);
+    g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);
 
     return wxtree_model->internal->iter_n_children( iter );
 }
@@ -2973,6 +2971,7 @@ bool wxDataViewColumn::IsReorderable() const
 // wxGtkTreeModelNode
 //-----------------------------------------------------------------------------
 
+#if 0
 class wxGtkTreeModelChildWithPos
 {
 public:
@@ -2987,10 +2986,20 @@ int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const v
     const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
     const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
     int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
-        internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_ASCENDING) );
+        internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
 
     return ret;
 }
+#else
+static
+int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
+{
+    return gs_internal->GetDataViewModel()->Compare( **data1, **data2,
+        gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
+}
+
+WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
+#endif
 
 void wxGtkTreeModelNode::Resort()
 {
@@ -3010,7 +3019,36 @@ void wxGtkTreeModelNode::Resort()
         return;
     }
 
+    gint *new_order = new gint[child_count];
+
 #if 1
+    // m_children has the original *void
+    // ptrs points to these
+    wxGtkTreeModelChildrenPtr ptrs;
+    size_t i;
+    for (i = 0; i < child_count; i++)
+       ptrs.Add( &(m_children[i]) );
+    // Sort the ptrs
+    gs_internal = m_internal;
+    ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
+ 
+    wxGtkTreeModelChildren temp;
+    void** base_ptr = &(m_children[0]);
+    // Transfer positions to new_order array and 
+    // IDs to temp
+    for (i = 0; i < child_count; i++)
+    {
+        new_order[i] = ptrs[i] - base_ptr;
+        temp.Add( *ptrs[i] );
+    }
+
+    // Transfer IDs back to m_children
+    m_children.Clear();
+    WX_APPEND_ARRAY( temp, m_children );
+#endif
+#if 0
+    // Too slow
+
     // Build up array with IDs and original positions
     wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
     size_t i;
@@ -3025,7 +3063,6 @@ void wxGtkTreeModelNode::Resort()
     // Transfer positions to new_order array and
     // IDs to m_children
     m_children.Clear();
-    gint *new_order = new gint[child_count];
     for (i = 0; i < child_count; i++)
     {
        new_order[i] = temp[i].pos;
@@ -3033,15 +3070,17 @@ void wxGtkTreeModelNode::Resort()
     }
     // Delete array
     delete [] temp;
-#else
+#endif
+
+#if 0
+    // Too slow
+    
     wxGtkTreeModelChildren temp;
     WX_APPEND_ARRAY( temp, m_children );
 
     gs_internal = m_internal;
     m_children.Sort( &wxGtkTreeModelChildCmp );
     
-    gint *new_order = new gint[child_count];
-
     unsigned int pos;
     for (pos = 0; pos < child_count; pos++)
     {
@@ -3368,18 +3407,19 @@ GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
 
 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
 {
+
     if (m_wx_model->IsVirtualListModel())
     {
-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
-
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+    
         unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
-
-        if (i >= wx_model->GetLastIndex() + 1)
+        
+        if (i >= wx_model->GetCount())
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
-        // user_data is just the index
-        iter->user_data = (gpointer) i;
+        // user_data is just the index +1
+        iter->user_data = (gpointer) (i+1);
 
         return TRUE;
     }
@@ -3430,8 +3470,8 @@ GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
 
     if (m_wx_model->IsVirtualListModel())
     {
-        // user_data is just the index
-        int i = (wxUIntPtr) iter->user_data;
+        // user_data is just the index +1
+        int i = ( (wxUIntPtr) iter->user_data ) -1;
         gtk_tree_path_append_index (retval, i);
     }
     else
@@ -3457,17 +3497,19 @@ gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
 
-        int n = (wxUIntPtr) iter->user_data;
+        // user_data is just the index +1
+        int n = ( (wxUIntPtr) iter->user_data ) -1;
 
         if (n == -1)
             return FALSE;
 
-        if (n >= (int) wx_model->GetLastIndex())
+        if (n >= (int) wx_model->GetCount())
             return FALSE;
 
-        iter->user_data = (gpointer) ++n;
+        // user_data is just the index +1 (+2 because we need the next)
+        iter->user_data = (gpointer) (n+2);
     }
     else
     {
@@ -3496,7 +3538,7 @@ gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
-        iter->user_data = (gpointer) -1;
+        iter->user_data = (gpointer) 1;
 
         return TRUE;
     }
@@ -3527,6 +3569,11 @@ gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+        if (iter == NULL)
+            return (gint) wx_model->GetCount();
+        
         // this is a list, nodes have no children
         return FALSE;
     }
@@ -3553,10 +3600,10 @@ gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
 
         if (iter == NULL)
-            return (gint) wx_model->GetLastIndex() + 1;
+            return (gint) wx_model->GetCount();
 
         return 0;
     }
@@ -3586,7 +3633,7 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
 {
     if (m_wx_model->IsVirtualListModel())
     {
-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
 
         if (parent)
             return FALSE;
@@ -3594,11 +3641,12 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
         if (n < 0)
             return FALSE;
 
-        if (n >= (gint) wx_model->GetLastIndex() + 1)
+        if (n >= (gint) wx_model->GetCount())
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
-        iter->user_data = (gpointer) n;
+        // user_data is just the index +1
+        iter->user_data = (gpointer) (n+1);
 
         return TRUE;
     }