[gtk+/treeview-refactor-staging: 3/13] Removed GtkTreeViewPrivate from gtktreeprivate.h and added a few more accessors.

From: Tristan Van Berkom <tvb src gnome org>
To: commits-list gnome org
Cc:
Subject: [gtk+/treeview-refactor-staging: 3/13] Removed GtkTreeViewPrivate from gtktreeprivate.h and added a few more accessors.
Date: Sat, 4 Dec 2010 08:06:44 +0000 (UTC)
commit 4c0fc8a598334effdeca7a5fc86866e2e327c1a8
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Tue Nov 30 16:36:07 2010 +0900

    Removed GtkTreeViewPrivate from gtktreeprivate.h and added a few more accessors.
    
    This actually much simplifies interaction with GtkTreeSelection
    (at least reduces code size where dealing width the treeview anchor path).

 gtk/gtkcombobox.c       |    8 +-
 gtk/gtktreeprivate.h    |  249 +++-------------------------------------
 gtk/gtktreeselection.c  |  198 ++++++++++++++-----------------
 gtk/gtktreeview.c       |  297 ++++++++++++++++++++++++++++++++++++++++++++++-
 gtk/gtktreeviewcolumn.c |   33 ++---
 5 files changed, 420 insertions(+), 365 deletions(-)
---
diff --git a/gtk/gtkcombobox.c b/gtk/gtkcombobox.c
index ebdd7f5..d43b397 100644
--- a/gtk/gtkcombobox.c
+++ b/gtk/gtkcombobox.c
@@ -4370,10 +4370,12 @@ gtk_combo_box_list_select_func (GtkTreeSelection *selection,
 				gboolean          path_currently_selected,
 				gpointer          data)
 {
-  GList *list;
+  GList *list, *columns;
   gboolean sensitive = FALSE;
 
-  for (list = selection->tree_view->priv->columns; list && !sensitive; list = list->next)
+  columns = gtk_tree_view_get_columns (selection->tree_view);
+
+  for (list = columns; list && !sensitive; list = list->next)
     {
       GList *cells, *cell;
       gboolean cell_sensitive, cell_visible;
@@ -4405,6 +4407,8 @@ gtk_combo_box_list_select_func (GtkTreeSelection *selection,
       sensitive = cell_sensitive;
     }
 
+  g_list_free (columns);
+
   return sensitive;
 }
 
diff --git a/gtk/gtktreeprivate.h b/gtk/gtktreeprivate.h
index d018bdc..3277680 100644
--- a/gtk/gtktreeprivate.h
+++ b/gtk/gtktreeprivate.h
@@ -37,238 +37,6 @@ typedef enum
 }
 GtkTreeSelectMode;
 
-typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
-struct _GtkTreeViewColumnReorder
-{
-  gint left_align;
-  gint right_align;
-  GtkTreeViewColumn *left_column;
-  GtkTreeViewColumn *right_column;
-};
-
-struct _GtkTreeViewPrivate
-{
-  GtkTreeModel *model;
-
-  guint flags;
-  /* tree information */
-  GtkRBTree *tree;
-
-  /* Container info */
-  GList *children;
-  gint width;
-  gint height;
-
-  /* Adjustments */
-  GtkAdjustment *hadjustment;
-  GtkAdjustment *vadjustment;
-  gint           min_display_width;
-  gint           min_display_height;
-
-  /* Sub windows */
-  GdkWindow *bin_window;
-  GdkWindow *header_window;
-
-  /* Scroll position state keeping */
-  GtkTreeRowReference *top_row;
-  gint top_row_dy;
-  /* dy == y pos of top_row + top_row_dy */
-  /* we cache it for simplicity of the code */
-  gint dy;
-
-  guint presize_handler_timer;
-  guint validate_rows_timer;
-  guint scroll_sync_timer;
-
-  /* Indentation and expander layout */
-  gint expander_size;
-  GtkTreeViewColumn *expander_column;
-
-  gint level_indentation;
-
-  /* Key navigation (focus), selection */
-  gint cursor_offset;
-
-  GtkTreeRowReference *anchor;
-  GtkTreeRowReference *cursor;
-
-  GtkTreeViewColumn *focus_column;
-
-  /* Current pressed node, previously pressed, prelight */
-  GtkRBNode *button_pressed_node;
-  GtkRBTree *button_pressed_tree;
-
-  gint pressed_button;
-  gint press_start_x;
-  gint press_start_y;
-
-  gint event_last_x;
-  gint event_last_y;
-
-  guint last_button_time;
-  gint last_button_x;
-  gint last_button_y;
-
-  GtkRBNode *prelight_node;
-  GtkRBTree *prelight_tree;
-
-  /* Cell Editing */
-  GtkTreeViewColumn *edited_column;
-
-  /* The node that's currently being collapsed or expanded */
-  GtkRBNode *expanded_collapsed_node;
-  GtkRBTree *expanded_collapsed_tree;
-  guint expand_collapse_timeout;
-
-  /* Auto expand/collapse timeout in hover mode */
-  guint auto_expand_timeout;
-
-  /* Selection information */
-  GtkTreeSelection *selection;
-
-  /* Header information */
-  gint n_columns;
-  GList *columns;
-  gint header_height;
-
-  GtkTreeViewColumnDropFunc column_drop_func;
-  gpointer column_drop_func_data;
-  GDestroyNotify column_drop_func_data_destroy;
-  GList *column_drag_info;
-  GtkTreeViewColumnReorder *cur_reorder;
-
-  gint prev_width_before_expander;
-
-  /* Interactive Header reordering */
-  GdkWindow *drag_window;
-  GdkWindow *drag_highlight_window;
-  GtkTreeViewColumn *drag_column;
-  gint drag_column_x;
-
-  /* Interactive Header Resizing */
-  gint drag_pos;
-  gint x_drag;
-
-  /* Non-interactive Header Resizing, expand flag support */
-  gint prev_width;
-
-  gint last_extra_space;
-  gint last_extra_space_per_column;
-  gint last_number_of_expand_columns;
-
-  /* ATK Hack */
-  GtkTreeDestroyCountFunc destroy_count_func;
-  gpointer destroy_count_data;
-  GDestroyNotify destroy_count_destroy;
-
-  /* Scroll timeout (e.g. during dnd, rubber banding) */
-  guint scroll_timeout;
-
-  /* Row drag-and-drop */
-  GtkTreeRowReference *drag_dest_row;
-  GtkTreeViewDropPosition drag_dest_pos;
-  guint open_dest_timeout;
-
-  /* Rubber banding */
-  gint rubber_band_status;
-  gint rubber_band_x;
-  gint rubber_band_y;
-  gint rubber_band_shift;
-  gint rubber_band_ctrl;
-
-  GtkRBNode *rubber_band_start_node;
-  GtkRBTree *rubber_band_start_tree;
-
-  GtkRBNode *rubber_band_end_node;
-  GtkRBTree *rubber_band_end_tree;
-
-  /* fixed height */
-  gint fixed_height;
-
-  /* Scroll-to functionality when unrealized */
-  GtkTreeRowReference *scroll_to_path;
-  GtkTreeViewColumn *scroll_to_column;
-  gfloat scroll_to_row_align;
-  gfloat scroll_to_col_align;
-
-  /* Interactive search */
-  gint selected_iter;
-  gint search_column;
-  GtkTreeViewSearchPositionFunc search_position_func;
-  GtkTreeViewSearchEqualFunc search_equal_func;
-  gpointer search_user_data;
-  GDestroyNotify search_destroy;
-  gpointer search_position_user_data;
-  GDestroyNotify search_position_destroy;
-  GtkWidget *search_window;
-  GtkWidget *search_entry;
-  gulong search_entry_changed_id;
-  guint typeselect_flush_timeout;
-
-  /* Grid and tree lines */
-  GtkTreeViewGridLines grid_lines;
-  double grid_line_dashes[2];
-  int grid_line_width;
-
-  gboolean tree_lines_enabled;
-  double tree_line_dashes[2];
-  int tree_line_width;
-
-  /* Row separators */
-  GtkTreeViewRowSeparatorFunc row_separator_func;
-  gpointer row_separator_data;
-  GDestroyNotify row_separator_destroy;
-
-  /* Tooltip support */
-  gint tooltip_column;
-
-  /* Here comes the bitfield */
-  guint scroll_to_use_align : 1;
-
-  guint fixed_height_mode : 1;
-  guint fixed_height_check : 1;
-
-  guint reorderable : 1;
-  guint header_has_focus : 1;
-  guint drag_column_window_state : 3;
-  /* hint to display rows in alternating colors */
-  guint has_rules : 1;
-  guint mark_rows_col_dirty : 1;
-
-  /* for DnD */
-  guint empty_view_drop : 1;
-
-  guint ctrl_pressed : 1;
-  guint shift_pressed : 1;
-
-  guint init_hadjust_value : 1;
-
-  guint in_top_row_to_dy : 1;
-
-  /* interactive search */
-  guint enable_search : 1;
-  guint disable_popdown : 1;
-  guint search_custom_entry_set : 1;
-  
-  guint hover_selection : 1;
-  guint hover_expand : 1;
-  guint imcontext_changed : 1;
-
-  guint rubber_banding_enable : 1;
-
-  guint in_grab : 1;
-
-  guint post_validation_flag : 1;
-
-  /* Whether our key press handler is to avoid sending an unhandled binding to the search entry */
-  guint search_entry_avoid_unhandled_binding : 1;
-
-  /* GtkScrollablePolicy needs to be checked when
-   * driving the scrollable adjustment values */
-  guint hscroll_policy : 1;
-  guint vscroll_policy : 1;
-};
-
 /* functions that shouldn't be exported */
 void         _gtk_tree_selection_internal_select_node (GtkTreeSelection  *selection,
 						       GtkRBNode         *node,
@@ -304,11 +72,26 @@ void         _gtk_tree_view_remove_editable           (GtkTreeView       *tree_v
                                                        GtkTreeViewColumn *column,
                                                        GtkCellEditable   *cell_editable);
 
-void       _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view);
+void       _gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view,
+						       gboolean     install_handler);
 void         _gtk_tree_view_column_autosize           (GtkTreeView       *tree_view,
 						       GtkTreeViewColumn *column);
 gint         _gtk_tree_view_get_header_height         (GtkTreeView       *tree_view);
 
+void         _gtk_tree_view_get_row_separator_func    (GtkTreeView                 *tree_view,
+						       GtkTreeViewRowSeparatorFunc *func,
+						       gpointer                    *data);
+GtkTreePath *_gtk_tree_view_get_anchor_path           (GtkTreeView                 *tree_view);
+void         _gtk_tree_view_set_anchor_path           (GtkTreeView                 *tree_view,
+						       GtkTreePath                 *anchor_path);
+GtkRBTree *  _gtk_tree_view_get_rbtree                (GtkTreeView                 *tree_view);
+
+GtkTreeViewColumn *_gtk_tree_view_get_focus_column    (GtkTreeView                 *tree_view);
+void               _gtk_tree_view_set_focus_column    (GtkTreeView                 *tree_view,
+						       GtkTreeViewColumn           *column);
+GdkWindow         *_gtk_tree_view_get_header_window   (GtkTreeView                 *tree_view);
+
+
 GtkTreeSelection* _gtk_tree_selection_new                (void);
 GtkTreeSelection* _gtk_tree_selection_new_with_tree_view (GtkTreeView      *tree_view);
 void              _gtk_tree_selection_set_tree_view      (GtkTreeSelection *selection,
diff --git a/gtk/gtktreeselection.c b/gtk/gtktreeselection.c
index 5ae0866..8d2a164 100644
--- a/gtk/gtktreeselection.c
+++ b/gtk/gtktreeselection.c
@@ -214,8 +214,7 @@ gtk_tree_selection_set_mode (GtkTreeSelection *selection,
       gtk_tree_selection_unselect_all (selection);
       selection->user_func = tmp_func;
 
-      gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-      selection->tree_view->priv->anchor = NULL;
+      _gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
     }
   else if (type == GTK_SELECTION_SINGLE ||
 	   type == GTK_SELECTION_BROWSE)
@@ -225,20 +224,17 @@ gtk_tree_selection_set_mode (GtkTreeSelection *selection,
       gint selected = FALSE;
       GtkTreePath *anchor_path = NULL;
 
-      if (selection->tree_view->priv->anchor)
+      anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
+
+      if (anchor_path)
 	{
-          anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-
-          if (anchor_path)
-            {
-              _gtk_tree_view_find_node (selection->tree_view,
-                                        anchor_path,
-                                        &tree,
-                                        &node);
-
-              if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
-                selected = TRUE;
-            }
+	  _gtk_tree_view_find_node (selection->tree_view,
+				    anchor_path,
+				    &tree,
+				    &node);
+	  
+	  if (node && GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED))
+	    selected = TRUE;
 	}
 
       /* We do this so that we unconditionally unset all rows
@@ -393,12 +389,9 @@ gtk_tree_selection_get_selected (GtkTreeSelection  *selection,
     memset (iter, 0, sizeof (GtkTreeIter));
 
   if (model)
-    *model = selection->tree_view->priv->model;
-
-  if (selection->tree_view->priv->anchor == NULL)
-    return FALSE;
+    *model = gtk_tree_view_get_model (selection->tree_view);
 
-  anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+  anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
 
   if (anchor_path == NULL)
     return FALSE;
@@ -418,7 +411,7 @@ gtk_tree_selection_get_selected (GtkTreeSelection  *selection,
       if (iter == NULL)
 	retval = TRUE;
       else
-        retval = gtk_tree_model_get_iter (selection->tree_view->priv->model,
+        retval = gtk_tree_model_get_iter (gtk_tree_view_get_model (selection->tree_view),
                                           iter,
                                           anchor_path);
     }
@@ -467,10 +460,11 @@ gtk_tree_selection_get_selected_rows (GtkTreeSelection   *selection,
   g_return_val_if_fail (selection->tree_view != NULL, NULL);
 
   if (model)
-    *model = selection->tree_view->priv->model;
+    *model = gtk_tree_view_get_model (selection->tree_view);
 
-  if (selection->tree_view->priv->tree == NULL ||
-      selection->tree_view->priv->tree->root == NULL)
+  tree = _gtk_tree_view_get_rbtree (selection->tree_view);
+
+  if (tree == NULL || tree->root == NULL)
     return NULL;
 
   if (selection->type == GTK_SELECTION_NONE)
@@ -483,7 +477,7 @@ gtk_tree_selection_get_selected_rows (GtkTreeSelection   *selection,
         {
 	  GtkTreePath *path;
 
-	  path = gtk_tree_model_get_path (selection->tree_view->priv->model, &iter);
+	  path = gtk_tree_model_get_path (gtk_tree_view_get_model (selection->tree_view), &iter);
 	  list = g_list_append (list, path);
 
 	  return list;
@@ -492,8 +486,7 @@ gtk_tree_selection_get_selected_rows (GtkTreeSelection   *selection,
       return NULL;
     }
 
-  tree = selection->tree_view->priv->tree;
-  node = selection->tree_view->priv->tree->root;
+  node = tree->root;
 
   while (node->left != tree->nil)
     node = node->left;
@@ -582,12 +575,14 @@ gint
 gtk_tree_selection_count_selected_rows (GtkTreeSelection *selection)
 {
   gint count = 0;
+  GtkRBTree *tree;
 
   g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), 0);
   g_return_val_if_fail (selection->tree_view != NULL, 0);
 
-  if (selection->tree_view->priv->tree == NULL ||
-      selection->tree_view->priv->tree->root == NULL)
+  tree = _gtk_tree_view_get_rbtree (selection->tree_view);
+
+  if (tree == NULL || tree->root == NULL)
     return 0;
 
   if (selection->type == GTK_SELECTION_SINGLE ||
@@ -599,8 +594,7 @@ gtk_tree_selection_count_selected_rows (GtkTreeSelection *selection)
 	return 0;
     }
 
-  _gtk_rbtree_traverse (selection->tree_view->priv->tree,
-                        selection->tree_view->priv->tree->root,
+  _gtk_rbtree_traverse (tree, tree->root,
 			G_PRE_ORDER,
 			gtk_tree_selection_count_selected_rows_helper,
 			&count);
@@ -644,31 +638,32 @@ gtk_tree_selection_selected_foreach (GtkTreeSelection            *selection,
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
 
-  if (func == NULL ||
-      selection->tree_view->priv->tree == NULL ||
-      selection->tree_view->priv->tree->root == NULL)
+  tree = _gtk_tree_view_get_rbtree (selection->tree_view);
+
+  if (func == NULL || tree == NULL || tree->root == NULL)
     return;
 
+  model = gtk_tree_view_get_model (selection->tree_view);
+
   if (selection->type == GTK_SELECTION_SINGLE ||
       selection->type == GTK_SELECTION_BROWSE)
     {
-      if (gtk_tree_row_reference_valid (selection->tree_view->priv->anchor))
+      path = _gtk_tree_view_get_anchor_path (selection->tree_view);
+
+      if (path)
 	{
-	  path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-	  gtk_tree_model_get_iter (selection->tree_view->priv->model, &iter, path);
-	  (* func) (selection->tree_view->priv->model, path, &iter, data);
+	  gtk_tree_model_get_iter (model, &iter, path);
+	  (* func) (model, path, &iter, data);
 	  gtk_tree_path_free (path);
 	}
       return;
     }
 
-  tree = selection->tree_view->priv->tree;
-  node = selection->tree_view->priv->tree->root;
+  node = tree->root;
   
   while (node->left != tree->nil)
     node = node->left;
 
-  model = selection->tree_view->priv->model;
   g_object_ref (model);
 
   /* connect to signals to monitor changes in treemodel */
@@ -848,14 +843,16 @@ gtk_tree_selection_select_iter (GtkTreeSelection *selection,
 				GtkTreeIter      *iter)
 {
   GtkTreePath *path;
+  GtkTreeModel *model;
 
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
-  g_return_if_fail (selection->tree_view->priv->model != NULL);
+
+  model = gtk_tree_view_get_model (selection->tree_view);
+  g_return_if_fail (model != NULL);
   g_return_if_fail (iter != NULL);
 
-  path = gtk_tree_model_get_path (selection->tree_view->priv->model,
-				  iter);
+  path = gtk_tree_model_get_path (model, iter);
 
   if (path == NULL)
     return;
@@ -877,14 +874,16 @@ gtk_tree_selection_unselect_iter (GtkTreeSelection *selection,
 				  GtkTreeIter      *iter)
 {
   GtkTreePath *path;
+  GtkTreeModel *model;
 
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
-  g_return_if_fail (selection->tree_view->priv->model != NULL);
+
+  model = gtk_tree_view_get_model (selection->tree_view);
+  g_return_if_fail (model != NULL);
   g_return_if_fail (iter != NULL);
 
-  path = gtk_tree_model_get_path (selection->tree_view->priv->model,
-				  iter);
+  path = gtk_tree_model_get_path (model, iter);
 
   if (path == NULL)
     return;
@@ -915,7 +914,7 @@ gtk_tree_selection_path_is_selected (GtkTreeSelection *selection,
   g_return_val_if_fail (path != NULL, FALSE);
   g_return_val_if_fail (selection->tree_view != NULL, FALSE);
 
-  if (selection->tree_view->priv->model == NULL)
+  if (gtk_tree_view_get_model (selection->tree_view) == NULL)
     return FALSE;
 
   ret = _gtk_tree_view_find_node (selection->tree_view,
@@ -944,14 +943,17 @@ gtk_tree_selection_iter_is_selected (GtkTreeSelection *selection,
 				     GtkTreeIter      *iter)
 {
   GtkTreePath *path;
+  GtkTreeModel *model;
   gboolean retval;
 
   g_return_val_if_fail (GTK_IS_TREE_SELECTION (selection), FALSE);
   g_return_val_if_fail (iter != NULL, FALSE);
   g_return_val_if_fail (selection->tree_view != NULL, FALSE);
-  g_return_val_if_fail (selection->tree_view->priv->model != NULL, FALSE);
 
-  path = gtk_tree_model_get_path (selection->tree_view->priv->model, iter);
+  model = gtk_tree_view_get_model (selection->tree_view);
+  g_return_val_if_fail (model != NULL, FALSE);
+
+  path = gtk_tree_model_get_path (model, iter);
   if (path == NULL)
     return FALSE;
 
@@ -995,8 +997,11 @@ static gint
 gtk_tree_selection_real_select_all (GtkTreeSelection *selection)
 {
   struct _TempTuple *tuple;
+  GtkRBTree *tree;
 
-  if (selection->tree_view->priv->tree == NULL)
+  tree = _gtk_tree_view_get_rbtree (selection->tree_view);
+
+  if (tree == NULL)
     return FALSE;
 
   /* Mark all nodes selected */
@@ -1004,8 +1009,7 @@ gtk_tree_selection_real_select_all (GtkTreeSelection *selection)
   tuple->selection = selection;
   tuple->dirty = FALSE;
 
-  _gtk_rbtree_traverse (selection->tree_view->priv->tree,
-			selection->tree_view->priv->tree->root,
+  _gtk_rbtree_traverse (tree, tree->root,
 			G_PRE_ORDER,
 			select_all_helper,
 			tuple);
@@ -1031,7 +1035,8 @@ gtk_tree_selection_select_all (GtkTreeSelection *selection)
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
 
-  if (selection->tree_view->priv->tree == NULL || selection->tree_view->priv->model == NULL)
+  if (_gtk_tree_view_get_rbtree (selection->tree_view) == NULL || 
+      gtk_tree_view_get_model (selection->tree_view) == NULL)
     return;
 
   g_return_if_fail (selection->type == GTK_SELECTION_MULTIPLE);
@@ -1071,10 +1076,7 @@ gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection)
       GtkRBNode *node = NULL;
       GtkTreePath *anchor_path;
 
-      if (selection->tree_view->priv->anchor == NULL)
-	return FALSE;
-
-      anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+      anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
 
       if (anchor_path == NULL)
         return FALSE;
@@ -1093,8 +1095,7 @@ gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection)
 	{
 	  if (gtk_tree_selection_real_select_node (selection, tree, node, FALSE))
 	    {
-	      gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-	      selection->tree_view->priv->anchor = NULL;
+	      _gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
 	      return TRUE;
 	    }
 	}
@@ -1102,12 +1103,14 @@ gtk_tree_selection_real_unselect_all (GtkTreeSelection *selection)
     }
   else
     {
+      GtkRBTree *tree;
+
       tuple = g_new (struct _TempTuple, 1);
       tuple->selection = selection;
       tuple->dirty = FALSE;
 
-      _gtk_rbtree_traverse (selection->tree_view->priv->tree,
-                            selection->tree_view->priv->tree->root,
+      tree = _gtk_tree_view_get_rbtree (selection->tree_view);
+      _gtk_rbtree_traverse (tree, tree->root,
                             G_PRE_ORDER,
                             unselect_all_helper,
                             tuple);
@@ -1134,7 +1137,8 @@ gtk_tree_selection_unselect_all (GtkTreeSelection *selection)
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
 
-  if (selection->tree_view->priv->tree == NULL || selection->tree_view->priv->model == NULL)
+  if (_gtk_tree_view_get_rbtree (selection->tree_view) == NULL || 
+      gtk_tree_view_get_model (selection->tree_view) == NULL)
     return;
   
   if (gtk_tree_selection_real_unselect_all (selection))
@@ -1197,15 +1201,7 @@ gtk_tree_selection_real_modify_range (GtkTreeSelection *selection,
   g_return_val_if_fail (end_node != NULL, FALSE);
 
   if (anchor_path)
-    {
-      if (selection->tree_view->priv->anchor)
-	gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
-      selection->tree_view->priv->anchor =
-	gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view),
-	                                  selection->tree_view->priv->model,
-					  anchor_path);
-    }
+    _gtk_tree_view_set_anchor_path (selection->tree_view, anchor_path);
 
   do
     {
@@ -1254,7 +1250,7 @@ gtk_tree_selection_select_range (GtkTreeSelection *selection,
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
   g_return_if_fail (selection->type == GTK_SELECTION_MULTIPLE);
-  g_return_if_fail (selection->tree_view->priv->model != NULL);
+  g_return_if_fail (gtk_tree_view_get_model (selection->tree_view) != NULL);
 
   if (gtk_tree_selection_real_modify_range (selection, RANGE_SELECT, start_path, end_path))
     g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
@@ -1278,7 +1274,7 @@ gtk_tree_selection_unselect_range (GtkTreeSelection *selection,
 {
   g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
   g_return_if_fail (selection->tree_view != NULL);
-  g_return_if_fail (selection->tree_view->priv->model != NULL);
+  g_return_if_fail (gtk_tree_view_get_model (selection->tree_view) != NULL);
 
   if (gtk_tree_selection_real_modify_range (selection, RANGE_UNSELECT, start_path, end_path))
     g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
@@ -1290,22 +1286,28 @@ _gtk_tree_selection_row_is_selectable (GtkTreeSelection *selection,
 				       GtkTreePath      *path)
 {
   GtkTreeIter iter;
+  GtkTreeModel *model;
+  GtkTreeViewRowSeparatorFunc separator_func;
+  gpointer separator_data;
   gboolean sensitive = FALSE;
 
-  if (!gtk_tree_model_get_iter (selection->tree_view->priv->model, &iter, path))
+  model = gtk_tree_view_get_model (selection->tree_view);
+
+  _gtk_tree_view_get_row_separator_func (selection->tree_view, 
+					 &separator_func, &separator_data);
+
+  if (!gtk_tree_model_get_iter (model, &iter, path))
     sensitive = TRUE;
 
-  if (!sensitive && selection->tree_view->priv->row_separator_func)
+  if (!sensitive && separator_func)
     {
       /* never allow separators to be selected */
-      if ((* selection->tree_view->priv->row_separator_func) (selection->tree_view->priv->model,
-							      &iter,
-							      selection->tree_view->priv->row_separator_data))
+      if ((* separator_func) (model, &iter, separator_data))
 	return FALSE;
     }
 
   if (selection->user_func)
-    return (*selection->user_func) (selection, selection->tree_view->priv->model, path,
+    return (*selection->user_func) (selection, model, path,
 				    GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_IS_SELECTED),
 				    selection->user_data);
   else
@@ -1336,8 +1338,7 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
   if (selection->type == GTK_SELECTION_NONE)
     return;
 
-  if (selection->tree_view->priv->anchor)
-    anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
+  anchor_path = _gtk_tree_view_get_anchor_path (selection->tree_view);
 
   if (selection->type == GTK_SELECTION_SINGLE ||
       selection->type == GTK_SELECTION_BROWSE)
@@ -1374,17 +1375,11 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
 	       * old one, and can then select the new one */
 	      if (dirty)
 		{
-		  if (selection->tree_view->priv->anchor)
-                    {
-                      gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-                      selection->tree_view->priv->anchor = NULL;
-                    }
+
+		  _gtk_tree_view_set_anchor_path (selection->tree_view, NULL);
 
 		  if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
-		    {
-		      selection->tree_view->priv->anchor =
-			gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
-		    }
+		    _gtk_tree_view_set_anchor_path (selection->tree_view, path);
 		}
 	    }
 	  else
@@ -1392,11 +1387,8 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
 	      if (gtk_tree_selection_real_select_node (selection, tree, node, TRUE))
 		{
 		  dirty = TRUE;
-		  if (selection->tree_view->priv->anchor)
-		    gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
 
-		  selection->tree_view->priv->anchor =
-		    gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+		  _gtk_tree_view_set_anchor_path (selection->tree_view, path);
 		}
 	    }
 	}
@@ -1406,11 +1398,8 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
       if ((mode & GTK_TREE_SELECT_MODE_EXTEND) == GTK_TREE_SELECT_MODE_EXTEND
           && (anchor_path == NULL))
 	{
-	  if (selection->tree_view->priv->anchor)
-	    gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
+	  _gtk_tree_view_set_anchor_path (selection->tree_view, path);
 
-	  selection->tree_view->priv->anchor =
-	    gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
 	  dirty = gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
 	}
       else if ((mode & (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE)) == (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE))
@@ -1422,11 +1411,8 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
       else if ((mode & GTK_TREE_SELECT_MODE_TOGGLE) == GTK_TREE_SELECT_MODE_TOGGLE)
 	{
 	  flags = node->flags;
-	  if (selection->tree_view->priv->anchor)
-	    gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
 
-	  selection->tree_view->priv->anchor =
-	    gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+	  _gtk_tree_view_set_anchor_path (selection->tree_view, path);
 
 	  if ((flags & GTK_RBNODE_IS_SELECTED) == GTK_RBNODE_IS_SELECTED)
 	    dirty |= gtk_tree_selection_real_select_node (selection, tree, node, FALSE);
@@ -1445,11 +1431,7 @@ _gtk_tree_selection_internal_select_node (GtkTreeSelection *selection,
 	{
 	  dirty = gtk_tree_selection_real_unselect_all (selection);
 
-	  if (selection->tree_view->priv->anchor)
-	    gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
-	  selection->tree_view->priv->anchor =
-	    gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
+	  _gtk_tree_view_set_anchor_path (selection->tree_view, path);
 
 	  dirty |= gtk_tree_selection_real_select_node (selection, tree, node, TRUE);
 	}
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 22b7a5b..bc72795 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -274,6 +274,14 @@ enum
 #define ROW_HEIGHT(tree_view,height) \
   ((height > 0) ? (height) : (tree_view)->priv->expander_size)
 
+typedef struct _GtkTreeViewColumnReorder GtkTreeViewColumnReorder;
+struct _GtkTreeViewColumnReorder
+{
+  gint left_align;
+  gint right_align;
+  GtkTreeViewColumn *left_column;
+  GtkTreeViewColumn *right_column;
+};
 
 typedef struct _GtkTreeViewChild GtkTreeViewChild;
 struct _GtkTreeViewChild
@@ -300,6 +308,230 @@ struct _TreeViewDragInfo
 };
 
 
+struct _GtkTreeViewPrivate
+{
+  GtkTreeModel *model;
+
+  guint flags;
+  /* tree information */
+  GtkRBTree *tree;
+
+  /* Container info */
+  GList *children;
+  gint width;
+  gint height;
+
+  /* Adjustments */
+  GtkAdjustment *hadjustment;
+  GtkAdjustment *vadjustment;
+  gint           min_display_width;
+  gint           min_display_height;
+
+  /* Sub windows */
+  GdkWindow *bin_window;
+  GdkWindow *header_window;
+
+  /* Scroll position state keeping */
+  GtkTreeRowReference *top_row;
+  gint top_row_dy;
+  /* dy == y pos of top_row + top_row_dy */
+  /* we cache it for simplicity of the code */
+  gint dy;
+
+  guint presize_handler_timer;
+  guint validate_rows_timer;
+  guint scroll_sync_timer;
+
+  /* Indentation and expander layout */
+  gint expander_size;
+  GtkTreeViewColumn *expander_column;
+
+  gint level_indentation;
+
+  /* Key navigation (focus), selection */
+  gint cursor_offset;
+
+  GtkTreeRowReference *anchor;
+  GtkTreeRowReference *cursor;
+
+  GtkTreeViewColumn *focus_column;
+
+  /* Current pressed node, previously pressed, prelight */
+  GtkRBNode *button_pressed_node;
+  GtkRBTree *button_pressed_tree;
+
+  gint pressed_button;
+  gint press_start_x;
+  gint press_start_y;
+
+  gint event_last_x;
+  gint event_last_y;
+
+  guint last_button_time;
+  gint last_button_x;
+  gint last_button_y;
+
+  GtkRBNode *prelight_node;
+  GtkRBTree *prelight_tree;
+
+  /* Cell Editing */
+  GtkTreeViewColumn *edited_column;
+
+  /* The node that's currently being collapsed or expanded */
+  GtkRBNode *expanded_collapsed_node;
+  GtkRBTree *expanded_collapsed_tree;
+  guint expand_collapse_timeout;
+
+  /* Auto expand/collapse timeout in hover mode */
+  guint auto_expand_timeout;
+
+  /* Selection information */
+  GtkTreeSelection *selection;
+
+  /* Header information */
+  gint n_columns;
+  GList *columns;
+  gint header_height;
+
+  GtkTreeViewColumnDropFunc column_drop_func;
+  gpointer column_drop_func_data;
+  GDestroyNotify column_drop_func_data_destroy;
+  GList *column_drag_info;
+  GtkTreeViewColumnReorder *cur_reorder;
+
+  gint prev_width_before_expander;
+
+  /* Interactive Header reordering */
+  GdkWindow *drag_window;
+  GdkWindow *drag_highlight_window;
+  GtkTreeViewColumn *drag_column;
+  gint drag_column_x;
+
+  /* Interactive Header Resizing */
+  gint drag_pos;
+  gint x_drag;
+
+  /* Non-interactive Header Resizing, expand flag support */
+  gint prev_width;
+
+  gint last_extra_space;
+  gint last_extra_space_per_column;
+  gint last_number_of_expand_columns;
+
+  /* ATK Hack */
+  GtkTreeDestroyCountFunc destroy_count_func;
+  gpointer destroy_count_data;
+  GDestroyNotify destroy_count_destroy;
+
+  /* Scroll timeout (e.g. during dnd, rubber banding) */
+  guint scroll_timeout;
+
+  /* Row drag-and-drop */
+  GtkTreeRowReference *drag_dest_row;
+  GtkTreeViewDropPosition drag_dest_pos;
+  guint open_dest_timeout;
+
+  /* Rubber banding */
+  gint rubber_band_status;
+  gint rubber_band_x;
+  gint rubber_band_y;
+  gint rubber_band_shift;
+  gint rubber_band_ctrl;
+
+  GtkRBNode *rubber_band_start_node;
+  GtkRBTree *rubber_band_start_tree;
+
+  GtkRBNode *rubber_band_end_node;
+  GtkRBTree *rubber_band_end_tree;
+
+  /* fixed height */
+  gint fixed_height;
+
+  /* Scroll-to functionality when unrealized */
+  GtkTreeRowReference *scroll_to_path;
+  GtkTreeViewColumn *scroll_to_column;
+  gfloat scroll_to_row_align;
+  gfloat scroll_to_col_align;
+
+  /* Interactive search */
+  gint selected_iter;
+  gint search_column;
+  GtkTreeViewSearchPositionFunc search_position_func;
+  GtkTreeViewSearchEqualFunc search_equal_func;
+  gpointer search_user_data;
+  GDestroyNotify search_destroy;
+  gpointer search_position_user_data;
+  GDestroyNotify search_position_destroy;
+  GtkWidget *search_window;
+  GtkWidget *search_entry;
+  gulong search_entry_changed_id;
+  guint typeselect_flush_timeout;
+
+  /* Grid and tree lines */
+  GtkTreeViewGridLines grid_lines;
+  double grid_line_dashes[2];
+  int grid_line_width;
+
+  gboolean tree_lines_enabled;
+  double tree_line_dashes[2];
+  int tree_line_width;
+
+  /* Row separators */
+  GtkTreeViewRowSeparatorFunc row_separator_func;
+  gpointer row_separator_data;
+  GDestroyNotify row_separator_destroy;
+
+  /* Tooltip support */
+  gint tooltip_column;
+
+  /* Here comes the bitfield */
+  guint scroll_to_use_align : 1;
+
+  guint fixed_height_mode : 1;
+  guint fixed_height_check : 1;
+
+  guint reorderable : 1;
+  guint header_has_focus : 1;
+  guint drag_column_window_state : 3;
+  /* hint to display rows in alternating colors */
+  guint has_rules : 1;
+  guint mark_rows_col_dirty : 1;
+
+  /* for DnD */
+  guint empty_view_drop : 1;
+
+  guint ctrl_pressed : 1;
+  guint shift_pressed : 1;
+
+  guint init_hadjust_value : 1;
+
+  guint in_top_row_to_dy : 1;
+
+  /* interactive search */
+  guint enable_search : 1;
+  guint disable_popdown : 1;
+  guint search_custom_entry_set : 1;
+  
+  guint hover_selection : 1;
+  guint hover_expand : 1;
+  guint imcontext_changed : 1;
+
+  guint rubber_banding_enable : 1;
+
+  guint in_grab : 1;
+
+  guint post_validation_flag : 1;
+
+  /* Whether our key press handler is to avoid sending an unhandled binding to the search entry */
+  guint search_entry_avoid_unhandled_binding : 1;
+
+  /* GtkScrollablePolicy needs to be checked when
+   * driving the scrollable adjustment values */
+  guint hscroll_policy : 1;
+  guint vscroll_policy : 1;
+};
+
+
 /* Signals */
 enum
 {
@@ -6880,11 +7112,13 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
 
 
 void
-_gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view)
+_gtk_tree_view_install_mark_rows_col_dirty (GtkTreeView *tree_view,
+					    gboolean     install_handler)
 {
   tree_view->priv->mark_rows_col_dirty = TRUE;
 
-  install_presize_handler (tree_view);
+  if (install_handler)
+    install_presize_handler (tree_view);
 }
 
 /*
@@ -9729,6 +9963,65 @@ _gtk_tree_view_get_header_height (GtkTreeView *tree_view)
   return tree_view->priv->header_height;
 }
 
+void
+_gtk_tree_view_get_row_separator_func (GtkTreeView                 *tree_view,
+				       GtkTreeViewRowSeparatorFunc *func,
+				       gpointer                    *data)
+{
+  *func = tree_view->priv->row_separator_func;
+  *data = tree_view->priv->row_separator_data;
+}
+
+GtkTreePath *
+_gtk_tree_view_get_anchor_path (GtkTreeView *tree_view)
+{
+  if (tree_view->priv->anchor)
+    return gtk_tree_row_reference_get_path (tree_view->priv->anchor);
+
+  return NULL;
+}
+
+void
+_gtk_tree_view_set_anchor_path (GtkTreeView *tree_view,
+				GtkTreePath *anchor_path)
+{
+  if (tree_view->priv->anchor)
+    {
+      gtk_tree_row_reference_free (tree_view->priv->anchor);
+      tree_view->priv->anchor = NULL;
+    }
+
+  if (anchor_path && tree_view->priv->model)
+    tree_view->priv->anchor =
+      gtk_tree_row_reference_new_proxy (G_OBJECT (tree_view), 
+					tree_view->priv->model, anchor_path);
+}
+
+GtkRBTree *
+_gtk_tree_view_get_rbtree (GtkTreeView *tree_view)
+{
+  return tree_view->priv->tree;
+}
+
+GtkTreeViewColumn *
+_gtk_tree_view_get_focus_column (GtkTreeView *tree_view)
+{
+  return tree_view->priv->focus_column;
+}
+
+GdkWindow *
+_gtk_tree_view_get_header_window (GtkTreeView *tree_view)
+{
+  return tree_view->priv->header_window;
+}
+
+void
+_gtk_tree_view_set_focus_column (GtkTreeView       *tree_view,
+				 GtkTreeViewColumn *column)
+{
+  tree_view->priv->focus_column = column;
+}
+
 
 static void
 gtk_tree_view_queue_draw_path (GtkTreeView        *tree_view,
diff --git a/gtk/gtktreeviewcolumn.c b/gtk/gtktreeviewcolumn.c
index 33c9645..76e32ce 100644
--- a/gtk/gtktreeviewcolumn.c
+++ b/gtk/gtktreeviewcolumn.c
@@ -757,8 +757,9 @@ gtk_tree_view_column_create_button (GtkTreeViewColumn *tree_column)
   gtk_widget_pop_composite_child ();
 
   /* make sure we own a reference to it as well. */
-  if (tree_view->priv->header_window)
-    gtk_widget_set_parent_window (priv->button, tree_view->priv->header_window);
+  if (_gtk_tree_view_get_header_window (tree_view))
+    gtk_widget_set_parent_window (priv->button, _gtk_tree_view_get_header_window (tree_view));
+
   gtk_widget_set_parent (priv->button, GTK_WIDGET (tree_view));
 
   g_signal_connect (priv->button, "event",
@@ -1057,8 +1058,7 @@ gtk_tree_view_column_mnemonic_activate (GtkWidget *widget,
 
   g_return_val_if_fail (GTK_IS_TREE_VIEW_COLUMN (column), FALSE);
 
-  /* XXX Direct access to treeview */
-  GTK_TREE_VIEW (priv->tree_view)->priv->focus_column = column;
+  _gtk_tree_view_set_focus_column (GTK_TREE_VIEW (priv->tree_view), column);
 
   if (priv->clickable)
     gtk_button_clicked (GTK_BUTTON (priv->button));
@@ -1262,9 +1262,8 @@ _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column)
   g_return_if_fail (gtk_widget_get_realized (priv->tree_view));
   g_return_if_fail (priv->button != NULL);
 
-  /* XXX Access to GtkTreeView->priv */
-  g_return_if_fail (tree_view->priv->header_window != NULL);
-  gtk_widget_set_parent_window (priv->button, tree_view->priv->header_window);
+  g_return_if_fail (_gtk_tree_view_get_header_window (tree_view) != NULL);
+  gtk_widget_set_parent_window (priv->button, _gtk_tree_view_get_header_window (tree_view));
 
   if (priv->visible)
     gtk_widget_show (priv->button);
@@ -1279,16 +1278,16 @@ _gtk_tree_view_column_realize_button (GtkTreeViewColumn *column)
 		     GDK_POINTER_MOTION_HINT_MASK |
 		     GDK_KEY_PRESS_MASK);
   attributes_mask = GDK_WA_CURSOR | GDK_WA_X | GDK_WA_Y;
-  attr.cursor = gdk_cursor_new_for_display (gdk_window_get_display (tree_view->priv->header_window),
-					    GDK_SB_H_DOUBLE_ARROW);
+  attr.cursor = gdk_cursor_new_for_display 
+    (gdk_window_get_display (_gtk_tree_view_get_header_window (tree_view)), GDK_SB_H_DOUBLE_ARROW);
   attr.y = 0;
   attr.width = TREE_VIEW_DRAG_WIDTH;
-  attr.height = tree_view->priv->header_height;
+  attr.height = _gtk_tree_view_get_header_height (tree_view);
 
   gtk_widget_get_allocation (priv->button, &allocation);
   attr.x       = (allocation.x + (rtl ? 0 : allocation.width)) - TREE_VIEW_DRAG_WIDTH / 2;
-  priv->window = gdk_window_new (tree_view->priv->header_window,
-				   &attr, attributes_mask);
+  priv->window = gdk_window_new (_gtk_tree_view_get_header_window (tree_view),
+				 &attr, attributes_mask);
   gdk_window_set_user_data (priv->window, tree_view);
 
   gtk_tree_view_column_update_button (column);
@@ -2764,9 +2763,7 @@ _gtk_tree_view_column_cell_focus (GtkTreeViewColumn *tree_column,
   /* if we are the current focus column and have multiple editable cells,
    * try to select the next one, else move the focus to the next column
    */
-
-  /* XXX Access to GtkTreeViewPrivate */
-  if (GTK_TREE_VIEW (priv->tree_view)->priv->focus_column == tree_column)
+  if (_gtk_tree_view_get_focus_column (GTK_TREE_VIEW (priv->tree_view)) == tree_column)
     {
       if (gtk_cell_area_focus (priv->cell_area, direction))
         /* Focus stays in this column, so we are done */
@@ -2859,11 +2856,7 @@ _gtk_tree_view_column_cell_set_dirty (GtkTreeViewColumn *tree_column,
   if (priv->tree_view &&
       gtk_widget_get_realized (priv->tree_view))
     {
-      if (install_handler)
-	_gtk_tree_view_install_mark_rows_col_dirty (GTK_TREE_VIEW (priv->tree_view));
-      else
-	/* XXX Access to GtkTreeViewPrivate */
-	GTK_TREE_VIEW (priv->tree_view)->priv->mark_rows_col_dirty = TRUE;
+      _gtk_tree_view_install_mark_rows_col_dirty (GTK_TREE_VIEW (priv->tree_view), install_handler);
       gtk_widget_queue_resize (priv->tree_view);
     }
 }
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