2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #include "gtktreemodel.h"
21 #include "gtktreestore.h"
22 #include "gtktreedatalist.h"
23 #include "gtktreednd.h"
25 #include <gobject/gvaluecollector.h>
27 #define G_NODE(node) ((GNode *)node)
28 #define GTK_TREE_STORE_IS_SORTED(tree) (GTK_TREE_STORE (tree)->sort_column_id != -2)
29 #define VALID_ITER(iter, tree_store) (iter!= NULL && iter->user_data != NULL && tree_store->stamp == iter->stamp)
31 static void gtk_tree_store_init (GtkTreeStore *tree_store);
32 static void gtk_tree_store_class_init (GtkTreeStoreClass *tree_store_class);
33 static void gtk_tree_store_tree_model_init (GtkTreeModelIface *iface);
34 static void gtk_tree_store_drag_source_init(GtkTreeDragSourceIface *iface);
35 static void gtk_tree_store_drag_dest_init (GtkTreeDragDestIface *iface);
36 static void gtk_tree_store_sortable_init (GtkTreeSortableIface *iface);
37 static void gtk_tree_store_finalize (GObject *object);
38 static guint gtk_tree_store_get_flags (GtkTreeModel *tree_model);
39 static gint gtk_tree_store_get_n_columns (GtkTreeModel *tree_model);
40 static GType gtk_tree_store_get_column_type (GtkTreeModel *tree_model,
42 static gboolean gtk_tree_store_get_iter (GtkTreeModel *tree_model,
45 static GtkTreePath *gtk_tree_store_get_path (GtkTreeModel *tree_model,
47 static void gtk_tree_store_get_value (GtkTreeModel *tree_model,
51 static gboolean gtk_tree_store_iter_next (GtkTreeModel *tree_model,
53 static gboolean gtk_tree_store_iter_children (GtkTreeModel *tree_model,
56 static gboolean gtk_tree_store_iter_has_child (GtkTreeModel *tree_model,
58 static gint gtk_tree_store_iter_n_children (GtkTreeModel *tree_model,
60 static gboolean gtk_tree_store_iter_nth_child (GtkTreeModel *tree_model,
64 static gboolean gtk_tree_store_iter_parent (GtkTreeModel *tree_model,
69 static void gtk_tree_store_set_n_columns (GtkTreeStore *tree_store,
71 static void gtk_tree_store_set_column_type (GtkTreeStore *tree_store,
77 static gboolean gtk_tree_store_drag_data_delete (GtkTreeDragSource *drag_source,
79 static gboolean gtk_tree_store_drag_data_get (GtkTreeDragSource *drag_source,
81 GtkSelectionData *selection_data);
82 static gboolean gtk_tree_store_drag_data_received (GtkTreeDragDest *drag_dest,
84 GtkSelectionData *selection_data);
85 static gboolean gtk_tree_store_row_drop_possible (GtkTreeDragDest *drag_dest,
86 GtkTreePath *dest_path,
87 GtkSelectionData *selection_data);
89 /* Sortable Interfaces */
91 static void gtk_tree_store_sort (GtkTreeStore *tree_store);
92 static void gtk_tree_store_sort_iter_changed (GtkTreeStore *tree_store,
95 static gboolean gtk_tree_store_get_sort_column_id (GtkTreeSortable *sortable,
98 static void gtk_tree_store_set_sort_column_id (GtkTreeSortable *sortable,
101 static void gtk_tree_store_set_sort_func (GtkTreeSortable *sortable,
103 GtkTreeIterCompareFunc func,
105 GtkDestroyNotify destroy);
106 static void gtk_tree_store_set_default_sort_func (GtkTreeSortable *sortable,
107 GtkTreeIterCompareFunc func,
109 GtkDestroyNotify destroy);
110 static gboolean gtk_tree_store_has_default_sort_func (GtkTreeSortable *sortable);
112 static void validate_gnode (GNode *node);
115 static GObjectClass *parent_class = NULL;
119 validate_tree (GtkTreeStore *tree_store)
121 if (gtk_debug_flags & GTK_DEBUG_TREE)
123 g_assert (G_NODE (tree_store->root)->parent == NULL);
125 validate_gnode (G_NODE (tree_store->root));
130 gtk_tree_store_get_type (void)
132 static GType tree_store_type = 0;
134 if (!tree_store_type)
136 static const GTypeInfo tree_store_info =
138 sizeof (GtkTreeStoreClass),
139 NULL, /* base_init */
140 NULL, /* base_finalize */
141 (GClassInitFunc) gtk_tree_store_class_init,
142 NULL, /* class_finalize */
143 NULL, /* class_data */
144 sizeof (GtkTreeStore),
146 (GInstanceInitFunc) gtk_tree_store_init
149 static const GInterfaceInfo tree_model_info =
151 (GInterfaceInitFunc) gtk_tree_store_tree_model_init,
156 static const GInterfaceInfo drag_source_info =
158 (GInterfaceInitFunc) gtk_tree_store_drag_source_init,
163 static const GInterfaceInfo drag_dest_info =
165 (GInterfaceInitFunc) gtk_tree_store_drag_dest_init,
170 static const GInterfaceInfo sortable_info =
172 (GInterfaceInitFunc) gtk_tree_store_sortable_init,
177 tree_store_type = g_type_register_static (G_TYPE_OBJECT, "GtkTreeStore", &tree_store_info, 0);
179 g_type_add_interface_static (tree_store_type,
182 g_type_add_interface_static (tree_store_type,
183 GTK_TYPE_TREE_DRAG_SOURCE,
185 g_type_add_interface_static (tree_store_type,
186 GTK_TYPE_TREE_DRAG_DEST,
188 g_type_add_interface_static (tree_store_type,
189 GTK_TYPE_TREE_SORTABLE,
194 return tree_store_type;
198 gtk_tree_store_class_init (GtkTreeStoreClass *class)
200 GObjectClass *object_class;
202 parent_class = g_type_class_peek_parent (class);
203 object_class = (GObjectClass *) class;
205 object_class->finalize = gtk_tree_store_finalize;
209 gtk_tree_store_tree_model_init (GtkTreeModelIface *iface)
211 iface->get_flags = gtk_tree_store_get_flags;
212 iface->get_n_columns = gtk_tree_store_get_n_columns;
213 iface->get_column_type = gtk_tree_store_get_column_type;
214 iface->get_iter = gtk_tree_store_get_iter;
215 iface->get_path = gtk_tree_store_get_path;
216 iface->get_value = gtk_tree_store_get_value;
217 iface->iter_next = gtk_tree_store_iter_next;
218 iface->iter_children = gtk_tree_store_iter_children;
219 iface->iter_has_child = gtk_tree_store_iter_has_child;
220 iface->iter_n_children = gtk_tree_store_iter_n_children;
221 iface->iter_nth_child = gtk_tree_store_iter_nth_child;
222 iface->iter_parent = gtk_tree_store_iter_parent;
226 gtk_tree_store_drag_source_init (GtkTreeDragSourceIface *iface)
228 iface->drag_data_delete = gtk_tree_store_drag_data_delete;
229 iface->drag_data_get = gtk_tree_store_drag_data_get;
233 gtk_tree_store_drag_dest_init (GtkTreeDragDestIface *iface)
235 iface->drag_data_received = gtk_tree_store_drag_data_received;
236 iface->row_drop_possible = gtk_tree_store_row_drop_possible;
240 gtk_tree_store_sortable_init (GtkTreeSortableIface *iface)
242 iface->get_sort_column_id = gtk_tree_store_get_sort_column_id;
243 iface->set_sort_column_id = gtk_tree_store_set_sort_column_id;
244 iface->set_sort_func = gtk_tree_store_set_sort_func;
245 iface->set_default_sort_func = gtk_tree_store_set_default_sort_func;
246 iface->has_default_sort_func = gtk_tree_store_has_default_sort_func;
250 gtk_tree_store_init (GtkTreeStore *tree_store)
252 tree_store->root = g_node_new (NULL);
253 /* While the odds are against us getting 0...
257 tree_store->stamp = g_random_int ();
259 while (tree_store->stamp == 0);
261 tree_store->sort_list = NULL;
262 tree_store->sort_column_id = -2;
263 tree_store->columns_dirty = FALSE;
267 * gtk_tree_store_new:
268 * @n_columns: number of columns in the tree store
269 * @Varargs: all #GType types for the columns, from first to last
271 * Creates a new tree store as with @n_columns columns each of the types passed
272 * in. As an example, <literal>gtk_tree_store_new (3, G_TYPE_INT, G_TYPE_STRING,
273 * GDK_TYPE_PIXBUF);</literal> will create a new #GtkTreeStore with three columns, of type
274 * <type>int</type>, <type>string</type> and #GdkPixbuf respectively.
276 * Return value: a new #GtkTreeStore
279 gtk_tree_store_new (gint n_columns,
282 GtkTreeStore *retval;
286 g_return_val_if_fail (n_columns > 0, NULL);
288 retval = GTK_TREE_STORE (g_object_new (GTK_TYPE_TREE_STORE, NULL));
289 gtk_tree_store_set_n_columns (retval, n_columns);
291 va_start (args, n_columns);
293 for (i = 0; i < n_columns; i++)
295 GType type = va_arg (args, GType);
296 if (! _gtk_tree_data_list_check_type (type))
298 g_warning ("%s: Invalid type %s passed to gtk_tree_store_new_with_types\n", G_STRLOC, g_type_name (type));
299 g_object_unref (G_OBJECT (retval));
302 gtk_tree_store_set_column_type (retval, i, type);
309 * gtk_tree_store_newv:
310 * @n_columns: number of columns in the tree store
311 * @types: an array of #GType types for the columns, from first to last
313 * Non vararg creation function. Used primarily by language bindings.
315 * Return value: a new #GtkTreeStore
318 gtk_tree_store_newv (gint n_columns,
321 GtkTreeStore *retval;
324 g_return_val_if_fail (n_columns > 0, NULL);
326 retval = GTK_TREE_STORE (g_object_new (GTK_TYPE_TREE_STORE, NULL));
327 gtk_tree_store_set_n_columns (retval, n_columns);
329 for (i = 0; i < n_columns; i++)
331 if (! _gtk_tree_data_list_check_type (types[i]))
333 g_warning ("%s: Invalid type %s passed to gtk_tree_store_new_with_types\n", G_STRLOC, g_type_name (types[i]));
334 g_object_unref (G_OBJECT (retval));
337 gtk_tree_store_set_column_type (retval, i, types[i]);
345 * gtk_tree_store_set_column_types:
346 * @tree_store: A #GtkTreeStore
347 * @n_columns: Number of columns for the tree store
348 * @types: An array of #GType types, one for each column
350 * This function is meant primarily for #GObjects that inherit from
351 * #GtkTreeStore, and should only be used when constructing a new
352 * #GtkTreeStore. It will not function after a row has been added,
353 * or a method on the #GtkTreeModel interface is called.
356 gtk_tree_store_set_column_types (GtkTreeStore *tree_store,
362 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
363 g_return_if_fail (tree_store->columns_dirty == 0);
365 gtk_tree_store_set_n_columns (tree_store, n_columns);
366 for (i = 0; i < n_columns; i++)
368 if (! _gtk_tree_data_list_check_type (types[i]))
370 g_warning ("%s: Invalid type %s passed to gtk_tree_store_set_column_types\n", G_STRLOC, g_type_name (types[i]));
373 gtk_tree_store_set_column_type (tree_store, i, types[i]);
378 gtk_tree_store_set_n_columns (GtkTreeStore *tree_store,
383 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
385 if (tree_store->n_columns == n_columns)
388 new_columns = g_new0 (GType, n_columns);
389 if (tree_store->column_headers)
391 /* copy the old header orders over */
392 if (n_columns >= tree_store->n_columns)
393 memcpy (new_columns, tree_store->column_headers, tree_store->n_columns * sizeof (gchar *));
395 memcpy (new_columns, tree_store->column_headers, n_columns * sizeof (GType));
397 g_free (tree_store->column_headers);
400 if (tree_store->sort_list)
401 _gtk_tree_data_list_header_free (tree_store->sort_list);
403 tree_store->sort_list = _gtk_tree_data_list_header_new (n_columns, tree_store->column_headers);
405 tree_store->column_headers = new_columns;
406 tree_store->n_columns = n_columns;
410 * gtk_tree_store_set_column_type:
411 * @tree_store: a #GtkTreeStore
412 * @column: column number
413 * @type: type of the data to be stored in @column
415 * Supported types include: %G_TYPE_UINT, %G_TYPE_INT, %G_TYPE_UCHAR,
416 * %G_TYPE_CHAR, %G_TYPE_BOOLEAN, %G_TYPE_POINTER, %G_TYPE_FLOAT,
417 * %G_TYPE_DOUBLE, %G_TYPE_STRING, %G_TYPE_OBJECT, and %G_TYPE_BOXED, along with
418 * subclasses of those types such as %GDK_TYPE_PIXBUF.
422 gtk_tree_store_set_column_type (GtkTreeStore *tree_store,
426 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
427 g_return_if_fail (column >=0 && column < tree_store->n_columns);
428 if (!_gtk_tree_data_list_check_type (type))
430 g_warning ("%s: Invalid type %s passed to gtk_tree_store_new_with_types\n", G_STRLOC, g_type_name (type));
433 tree_store->column_headers[column] = type;
437 node_free (GNode *node, gpointer data)
439 _gtk_tree_data_list_free (node->data, (GType*)data);
443 gtk_tree_store_finalize (GObject *object)
445 GtkTreeStore *tree_store = GTK_TREE_STORE (object);
447 g_node_children_foreach (tree_store->root, G_TRAVERSE_ALL, node_free, tree_store->column_headers);
448 _gtk_tree_data_list_header_free (tree_store->sort_list);
449 g_free (tree_store->column_headers);
451 if (tree_store->default_sort_destroy)
453 GtkDestroyNotify d = tree_store->default_sort_destroy;
455 tree_store->default_sort_destroy = NULL;
456 d (tree_store->default_sort_data);
457 tree_store->default_sort_data = NULL;
460 (* parent_class->finalize) (object);
463 /* fulfill the GtkTreeModel requirements */
464 /* NOTE: GtkTreeStore::root is a GNode, that acts as the parent node. However,
465 * it is not visible to the tree or to the user., and the path "0" refers to the
466 * first child of GtkTreeStore::root.
471 gtk_tree_store_get_flags (GtkTreeModel *tree_model)
473 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), 0);
475 return GTK_TREE_MODEL_ITERS_PERSIST;
479 gtk_tree_store_get_n_columns (GtkTreeModel *tree_model)
481 GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
483 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), 0);
485 tree_store->columns_dirty = TRUE;
487 return tree_store->n_columns;
491 gtk_tree_store_get_column_type (GtkTreeModel *tree_model,
494 GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
496 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), G_TYPE_INVALID);
497 g_return_val_if_fail (index < GTK_TREE_STORE (tree_model)->n_columns &&
498 index >= 0, G_TYPE_INVALID);
500 tree_store->columns_dirty = TRUE;
502 return tree_store->column_headers[index];
506 gtk_tree_store_get_iter (GtkTreeModel *tree_model,
510 GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
515 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
517 tree_store->columns_dirty = TRUE;
519 indices = gtk_tree_path_get_indices (path);
520 depth = gtk_tree_path_get_depth (path);
522 g_return_val_if_fail (depth > 0, FALSE);
524 parent.stamp = tree_store->stamp;
525 parent.user_data = tree_store->root;
527 if (! gtk_tree_model_iter_nth_child (tree_model, iter, &parent, indices[0]))
530 for (i = 1; i < depth; i++)
533 if (! gtk_tree_model_iter_nth_child (tree_model, iter, &parent, indices[i]))
541 gtk_tree_store_get_path (GtkTreeModel *tree_model,
548 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), NULL);
549 g_return_val_if_fail (iter != NULL, NULL);
550 g_return_val_if_fail (iter->user_data != NULL, NULL);
551 g_return_val_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->stamp, NULL);
553 validate_tree ((GtkTreeStore*)tree_model);
555 if (G_NODE (iter->user_data)->parent == NULL &&
556 G_NODE (iter->user_data) == GTK_TREE_STORE (tree_model)->root)
557 return gtk_tree_path_new ();
558 g_assert (G_NODE (iter->user_data)->parent != NULL);
560 if (G_NODE (iter->user_data)->parent == G_NODE (GTK_TREE_STORE (tree_model)->root))
562 retval = gtk_tree_path_new ();
563 tmp_node = G_NODE (GTK_TREE_STORE (tree_model)->root)->children;
567 GtkTreeIter tmp_iter = *iter;
569 tmp_iter.user_data = G_NODE (iter->user_data)->parent;
571 retval = gtk_tree_store_get_path (tree_model,
573 tmp_node = G_NODE (iter->user_data)->parent->children;
579 if (tmp_node == NULL)
581 gtk_tree_path_free (retval);
585 for (; tmp_node; tmp_node = tmp_node->next)
587 if (tmp_node == G_NODE (iter->user_data))
592 if (tmp_node == NULL)
594 /* We couldn't find node, meaning it's prolly not ours */
595 /* Perhaps I should do a g_return_if_fail here. */
596 gtk_tree_path_free (retval);
600 gtk_tree_path_append_index (retval, i);
607 gtk_tree_store_get_value (GtkTreeModel *tree_model,
612 GtkTreeDataList *list;
613 gint tmp_column = column;
615 g_return_if_fail (GTK_IS_TREE_STORE (tree_model));
616 g_return_if_fail (iter != NULL);
617 g_return_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->stamp);
618 g_return_if_fail (column < GTK_TREE_STORE (tree_model)->n_columns);
620 list = G_NODE (iter->user_data)->data;
622 while (tmp_column-- > 0 && list)
627 _gtk_tree_data_list_node_to_value (list,
628 GTK_TREE_STORE (tree_model)->column_headers[column],
633 /* We want to return an initialized but empty (default) value */
634 g_value_init (value, GTK_TREE_STORE (tree_model)->column_headers[column]);
639 gtk_tree_store_iter_next (GtkTreeModel *tree_model,
642 g_return_val_if_fail (iter != NULL, FALSE);
643 g_return_val_if_fail (iter->user_data != NULL, FALSE);
644 g_return_val_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->stamp, FALSE);
646 if (G_NODE (iter->user_data)->next)
648 iter->user_data = G_NODE (iter->user_data)->next;
656 gtk_tree_store_iter_children (GtkTreeModel *tree_model,
662 g_return_val_if_fail (parent == NULL || parent->user_data != NULL, FALSE);
663 g_return_val_if_fail (parent == NULL || parent->stamp == GTK_TREE_STORE (tree_model)->stamp, FALSE);
666 children = G_NODE (parent->user_data)->children;
668 children = G_NODE (GTK_TREE_STORE (tree_model)->root)->children;
672 iter->stamp = GTK_TREE_STORE (tree_model)->stamp;
673 iter->user_data = children;
681 gtk_tree_store_iter_has_child (GtkTreeModel *tree_model,
684 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), FALSE);
685 g_return_val_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->stamp, FALSE);
686 g_return_val_if_fail (iter->user_data != NULL, FALSE);
688 return G_NODE (iter->user_data)->children != NULL;
692 gtk_tree_store_iter_n_children (GtkTreeModel *tree_model,
698 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), 0);
699 g_return_val_if_fail (iter == NULL || iter->user_data != NULL, FALSE);
702 node = G_NODE (GTK_TREE_STORE (tree_model)->root)->children;
704 node = G_NODE (iter->user_data)->children;
716 gtk_tree_store_iter_nth_child (GtkTreeModel *tree_model,
724 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_model), FALSE);
725 g_return_val_if_fail (parent == NULL || parent->user_data != NULL, FALSE);
728 parent_node = GTK_TREE_STORE (tree_model)->root;
730 parent_node = parent->user_data;
732 child = g_node_nth_child (parent_node, n);
736 iter->user_data = child;
737 iter->stamp = GTK_TREE_STORE (tree_model)->stamp;
745 gtk_tree_store_iter_parent (GtkTreeModel *tree_model,
751 g_return_val_if_fail (iter != NULL, FALSE);
752 g_return_val_if_fail (child != NULL, FALSE);
753 g_return_val_if_fail (child->user_data != NULL, FALSE);
754 g_return_val_if_fail (child->stamp == GTK_TREE_STORE (tree_model)->stamp, FALSE);
756 parent = G_NODE (child->user_data)->parent;
758 g_assert (parent != NULL);
760 if (parent != GTK_TREE_STORE (tree_model)->root)
762 iter->user_data = parent;
763 iter->stamp = GTK_TREE_STORE (tree_model)->stamp;
771 /* Does not emit a signal */
773 gtk_tree_store_real_set_value (GtkTreeStore *tree_store,
779 GtkTreeDataList *list;
780 GtkTreeDataList *prev;
781 GtkTreePath *path = NULL;
782 GValue real_value = {0, };
783 gboolean converted = FALSE;
784 gboolean retval = FALSE;
786 if (! g_type_is_a (G_VALUE_TYPE (value), tree_store->column_headers[column]))
788 if (! (g_value_type_compatible (G_VALUE_TYPE (value), tree_store->column_headers[column]) &&
789 g_value_type_compatible (tree_store->column_headers[column], G_VALUE_TYPE (value))))
791 g_warning ("%s: Unable to convert from %s to %s\n",
793 g_type_name (G_VALUE_TYPE (value)),
794 g_type_name (tree_store->column_headers[column]));
797 if (!g_value_transform (value, &real_value))
799 g_warning ("%s: Unable to make conversion from %s to %s\n",
801 g_type_name (G_VALUE_TYPE (value)),
802 g_type_name (tree_store->column_headers[column]));
803 g_value_unset (&real_value);
809 prev = list = G_NODE (iter->user_data)->data;
811 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
818 _gtk_tree_data_list_value_to_node (list, &real_value);
820 _gtk_tree_data_list_value_to_node (list, value);
822 gtk_tree_path_free (path);
824 g_value_unset (&real_value);
833 if (G_NODE (iter->user_data)->data == NULL)
835 G_NODE (iter->user_data)->data = list = _gtk_tree_data_list_alloc ();
840 list = prev->next = _gtk_tree_data_list_alloc ();
846 list->next = _gtk_tree_data_list_alloc ();
852 _gtk_tree_data_list_value_to_node (list, &real_value);
854 _gtk_tree_data_list_value_to_node (list, value);
857 gtk_tree_path_free (path);
859 g_value_unset (&real_value);
865 * gtk_tree_store_set_value:
866 * @tree_store: a #GtkTreeStore
867 * @iter: A valid #GtkTreeIter for the row being modified
868 * @column: column number to modify
869 * @value: new value for the cell
871 * Sets the data in the cell specified by @iter and @column.
872 * The type of @value must be convertible to the type of the
877 gtk_tree_store_set_value (GtkTreeStore *tree_store,
882 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
883 g_return_if_fail (VALID_ITER (iter, tree_store));
884 g_return_if_fail (column >= 0 && column < tree_store->n_columns);
885 g_return_if_fail (G_IS_VALUE (value));
887 if (gtk_tree_store_real_set_value (tree_store, iter, column, value, TRUE))
891 path = gtk_tree_model_get_path (GTK_TREE_MODEL (tree_store), iter);
892 gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, iter);
893 gtk_tree_path_free (path);
898 * gtk_tree_store_set_valist:
899 * @tree_store: A #GtkTreeStore
900 * @iter: A valid #GtkTreeIter for the row being modified
901 * @var_args: <type>va_list</type> of column/value pairs
903 * See gtk_tree_store_set(); this version takes a <type>va_list</type> for
904 * use by language bindings.
908 gtk_tree_store_set_valist (GtkTreeStore *tree_store,
913 gboolean emit_signal = FALSE;
914 gboolean maybe_need_sort = FALSE;
915 GtkTreeIterCompareFunc func = NULL;
917 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
918 g_return_if_fail (VALID_ITER (iter, tree_store));
920 column = va_arg (var_args, gint);
922 if (GTK_TREE_STORE_IS_SORTED (tree_store))
924 if (tree_store->sort_column_id != -1)
926 GtkTreeDataSortHeader *header;
927 header = _gtk_tree_data_list_get_header (tree_store->sort_list,
928 tree_store->sort_column_id);
929 g_return_if_fail (header != NULL);
930 g_return_if_fail (header->func != NULL);
935 func = tree_store->default_sort_func;
939 if (func != gtk_tree_data_list_compare_func)
940 maybe_need_sort = TRUE;
944 GValue value = { 0, };
947 if (column >= tree_store->n_columns)
949 g_warning ("%s: Invalid column number %d added to iter (remember to end your list of columns with a -1)", G_STRLOC, column);
952 g_value_init (&value, tree_store->column_headers[column]);
954 G_VALUE_COLLECT (&value, var_args, 0, &error);
957 g_warning ("%s: %s", G_STRLOC, error);
960 /* we purposely leak the value here, it might not be
961 * in a sane state if an error condition occoured
966 emit_signal = gtk_tree_store_real_set_value (tree_store,
970 FALSE) || emit_signal;
972 if (func == gtk_tree_data_list_compare_func &&
973 column == tree_store->sort_column_id)
974 maybe_need_sort = TRUE;
976 g_value_unset (&value);
978 column = va_arg (var_args, gint);
981 if (maybe_need_sort && GTK_TREE_STORE_IS_SORTED (tree_store))
982 gtk_tree_store_sort_iter_changed (tree_store, iter, tree_store->sort_column_id);
988 path = gtk_tree_model_get_path (GTK_TREE_MODEL (tree_store), iter);
989 gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, iter);
990 gtk_tree_path_free (path);
995 * gtk_tree_store_set:
996 * @tree_store: A #GtkTreeStore
997 * @iter: A valid #GtkTreeIter for the row being modified
998 * @Varargs: pairs of column number and value, terminated with -1
1000 * Sets the value of one or more cells in the row referenced by @iter.
1001 * The variable argument list should contain integer column numbers,
1002 * each column number followed by the value to be set.
1003 * The list is terminated by a -1. For example, to set column 0 with type
1004 * %G_TYPE_STRING to "Foo", you would write
1005 * <literal>gtk_tree_store_set (store, iter, 0, "Foo", -1)</literal>.
1008 gtk_tree_store_set (GtkTreeStore *tree_store,
1014 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1015 g_return_if_fail (VALID_ITER (iter, tree_store));
1017 va_start (var_args, iter);
1018 gtk_tree_store_set_valist (tree_store, iter, var_args);
1023 * gtk_tree_store_remove:
1024 * @tree_store: A #GtkTreeStore
1025 * @iter: A valid #GtkTreeIter
1027 * Removes @iter from @tree_store. After being removed, @iter is set to the
1028 * next valid row at that level, or invalidated if it previously pointed to the
1031 * Return value: %TRUE if @iter is still valid, %FALSE if not.
1034 gtk_tree_store_remove (GtkTreeStore *tree_store,
1038 GtkTreeIter new_iter = {0,};
1042 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
1043 g_return_val_if_fail (VALID_ITER (iter, tree_store), FALSE);
1045 parent = G_NODE (iter->user_data)->parent;
1047 g_assert (parent != NULL);
1048 next_node = G_NODE (iter->user_data)->next;
1050 if (G_NODE (iter->user_data)->data)
1051 _gtk_tree_data_list_free ((GtkTreeDataList *) G_NODE (iter->user_data)->data,
1052 tree_store->column_headers);
1054 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1055 g_node_destroy (G_NODE (iter->user_data));
1057 gtk_tree_model_row_deleted (GTK_TREE_MODEL (tree_store), path);
1059 if (parent != G_NODE (tree_store->root))
1062 if (parent->children == NULL)
1064 gtk_tree_path_up (path);
1066 new_iter.stamp = tree_store->stamp;
1067 new_iter.user_data = parent;
1068 gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, &new_iter);
1071 gtk_tree_path_free (path);
1073 /* revalidate iter */
1074 if (next_node != NULL)
1076 iter->stamp = tree_store->stamp;
1077 iter->user_data = next_node;
1083 iter->user_data = NULL;
1090 * gtk_tree_store_insert:
1091 * @tree_store: A #GtkTreeStore
1092 * @iter: An unset #GtkTreeIter to set to the new row
1093 * @parent: A valid #GtkTreeIter, or %NULL
1094 * @position: position to insert the new row
1096 * Creates a new row at @position. If parent is non-%NULL, then the row will be
1097 * made a child of @parent. Otherwise, the row will be created at the toplevel.
1098 * If @position is larger than the number of rows at that level, then the new
1099 * row will be inserted to the end of the list. @iter will be changed to point
1100 * to this new row. The row will be empty after this function is called. To
1101 * fill in values, you need to call gtk_tree_store_set() or
1102 * gtk_tree_store_set_value().
1106 gtk_tree_store_insert (GtkTreeStore *tree_store,
1108 GtkTreeIter *parent,
1114 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1116 g_return_if_fail (VALID_ITER (parent, tree_store));
1119 parent_node = parent->user_data;
1121 parent_node = tree_store->root;
1123 tree_store->columns_dirty = TRUE;
1125 iter->stamp = tree_store->stamp;
1126 iter->user_data = g_node_new (NULL);
1127 g_node_insert (parent_node, position, G_NODE (iter->user_data));
1129 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1130 gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
1132 gtk_tree_path_free (path);
1134 validate_tree ((GtkTreeStore*)tree_store);
1138 * gtk_tree_store_insert_before:
1139 * @tree_store: A #GtkTreeStore
1140 * @iter: An unset #GtkTreeIter to set to the new row
1141 * @parent: A valid #GtkTreeIter, or %NULL
1142 * @sibling: A valid #GtkTreeIter, or %NULL
1144 * Inserts a new row before @sibling. If @sibling is %NULL, then the row will
1145 * be appended to @parent 's children. If @parent and @sibling are %NULL, then
1146 * the row will be appended to the toplevel. If both @sibling and @parent are
1147 * set, then @parent must be the parent of @sibling. When @sibling is set,
1148 * @parent is optional.
1150 * @iter will be changed to point to this new row. The row will be empty after
1151 * this function is called. To fill in values, you need to call
1152 * gtk_tree_store_set() or gtk_tree_store_set_value().
1156 gtk_tree_store_insert_before (GtkTreeStore *tree_store,
1158 GtkTreeIter *parent,
1159 GtkTreeIter *sibling)
1162 GNode *parent_node = NULL;
1165 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1166 g_return_if_fail (iter != NULL);
1168 g_return_if_fail (VALID_ITER (parent, tree_store));
1169 if (sibling != NULL)
1170 g_return_if_fail (VALID_ITER (sibling, tree_store));
1172 tree_store->columns_dirty = TRUE;
1174 new_node = g_node_new (NULL);
1176 if (parent == NULL && sibling == NULL)
1177 parent_node = tree_store->root;
1178 else if (parent == NULL)
1179 parent_node = G_NODE (sibling->user_data)->parent;
1180 else if (sibling == NULL)
1181 parent_node = G_NODE (parent->user_data);
1184 g_return_if_fail (G_NODE (sibling->user_data)->parent == G_NODE (parent->user_data));
1185 parent_node = G_NODE (parent->user_data);
1188 g_node_insert_before (parent_node,
1189 sibling ? G_NODE (sibling->user_data) : NULL,
1192 iter->stamp = tree_store->stamp;
1193 iter->user_data = new_node;
1195 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1196 gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
1198 gtk_tree_path_free (path);
1200 validate_tree ((GtkTreeStore*)tree_store);
1204 * gtk_tree_store_insert_after:
1205 * @tree_store: A #GtkTreeStore
1206 * @iter: An unset #GtkTreeIter to set to the new row
1207 * @parent: A valid #GtkTreeIter, or %NULL
1208 * @sibling: A valid #GtkTreeIter, or %NULL
1210 * Inserts a new row after @sibling. If @sibling is %NULL, then the row will be
1211 * prepended to the beginning of the @parent 's children. If @parent and
1212 * @sibling are %NULL, then the row will be prepended to the toplevel. If both
1213 * @sibling and @parent are set, then @parent must be the parent of @sibling.
1214 * When @sibling is set, @parent is optional.
1216 * @iter will be changed to point to this new row. The row will be empty after
1217 * this function is called. To fill in values, you need to call
1218 * gtk_tree_store_set() or gtk_tree_store_set_value().
1222 gtk_tree_store_insert_after (GtkTreeStore *tree_store,
1224 GtkTreeIter *parent,
1225 GtkTreeIter *sibling)
1231 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1232 g_return_if_fail (iter != NULL);
1234 g_return_if_fail (VALID_ITER (parent, tree_store));
1235 if (sibling != NULL)
1236 g_return_if_fail (VALID_ITER (sibling, tree_store));
1238 tree_store->columns_dirty = TRUE;
1240 new_node = g_node_new (NULL);
1242 if (parent == NULL && sibling == NULL)
1243 parent_node = tree_store->root;
1244 else if (parent == NULL)
1245 parent_node = G_NODE (sibling->user_data)->parent;
1246 else if (sibling == NULL)
1247 parent_node = G_NODE (parent->user_data);
1250 g_return_if_fail (G_NODE (sibling->user_data)->parent ==
1251 G_NODE (parent->user_data));
1252 parent_node = G_NODE (parent->user_data);
1256 g_node_insert_after (parent_node,
1257 sibling ? G_NODE (sibling->user_data) : NULL,
1260 iter->stamp = tree_store->stamp;
1261 iter->user_data = new_node;
1263 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1264 gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
1266 gtk_tree_path_free (path);
1268 validate_tree ((GtkTreeStore*)tree_store);
1272 * gtk_tree_store_prepend:
1273 * @tree_store: A #GtkTreeStore
1274 * @iter: An unset #GtkTreeIter to set to the prepended row
1275 * @parent: A valid #GtkTreeIter, or %NULL
1277 * Prepends a new row to @tree_store. If @parent is non-%NULL, then it will prepend
1278 * the new row before the first child of @parent, otherwise it will prepend a row
1279 * to the top level. @iter will be changed to point to this new row. The row
1280 * will be empty after this function is called. To fill in values, you need to
1281 * call gtk_tree_store_set() or gtk_tree_store_set_value().
1284 gtk_tree_store_prepend (GtkTreeStore *tree_store,
1286 GtkTreeIter *parent)
1290 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1291 g_return_if_fail (iter != NULL);
1293 g_return_if_fail (VALID_ITER (parent, tree_store));
1295 tree_store->columns_dirty = TRUE;
1298 parent_node = tree_store->root;
1300 parent_node = parent->user_data;
1302 if (parent_node->children == NULL)
1306 iter->stamp = tree_store->stamp;
1307 iter->user_data = g_node_new (NULL);
1309 g_node_prepend (parent_node, G_NODE (iter->user_data));
1311 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1312 gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
1314 if (parent_node != tree_store->root)
1316 gtk_tree_path_up (path);
1317 gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
1319 gtk_tree_path_free (path);
1323 gtk_tree_store_insert_after (tree_store, iter, parent, NULL);
1326 validate_tree ((GtkTreeStore*)tree_store);
1330 * gtk_tree_store_append:
1331 * @tree_store: A #GtkTreeStore
1332 * @iter: An unset #GtkTreeIter to set to the appended row
1333 * @parent: A valid #GtkTreeIter, or %NULL
1335 * Appends a new row to @tree_store. If @parent is non-%NULL, then it will append the
1336 * new row after the last child of @parent, otherwise it will append a row to
1337 * the top level. @iter will be changed to point to this new row. The row will
1338 * be empty after this function is called. To fill in values, you need to call
1339 * gtk_tree_store_set() or gtk_tree_store_set_value().
1342 gtk_tree_store_append (GtkTreeStore *tree_store,
1344 GtkTreeIter *parent)
1348 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1349 g_return_if_fail (iter != NULL);
1352 g_return_if_fail (VALID_ITER (parent, tree_store));
1355 parent_node = tree_store->root;
1357 parent_node = parent->user_data;
1359 tree_store->columns_dirty = TRUE;
1361 if (parent_node->children == NULL)
1365 iter->stamp = tree_store->stamp;
1366 iter->user_data = g_node_new (NULL);
1368 g_node_append (parent_node, G_NODE (iter->user_data));
1370 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
1371 gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
1373 if (parent_node != tree_store->root)
1375 gtk_tree_path_up (path);
1376 gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
1378 gtk_tree_path_free (path);
1382 gtk_tree_store_insert_before (tree_store, iter, parent, NULL);
1385 validate_tree ((GtkTreeStore*)tree_store);
1389 * gtk_tree_store_is_ancestor:
1390 * @tree_store: A #GtkTreeStore
1391 * @iter: A valid #GtkTreeIter
1392 * @descendant: A valid #GtkTreeIter
1394 * Returns %TRUE if @iter is an ancestor of @descendant. That is, @iter is the
1395 * parent (or grandparent or great-grandparent) of @descendant.
1397 * Return value: %TRUE, if @iter is an ancestor of @descendant
1400 gtk_tree_store_is_ancestor (GtkTreeStore *tree_store,
1402 GtkTreeIter *descendant)
1404 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
1405 g_return_val_if_fail (VALID_ITER (iter, tree_store), FALSE);
1406 g_return_val_if_fail (VALID_ITER (descendant, tree_store), FALSE);
1408 return g_node_is_ancestor (G_NODE (iter->user_data),
1409 G_NODE (descendant->user_data));
1414 * gtk_tree_store_iter_depth:
1415 * @tree_store: A #GtkTreeStore
1416 * @iter: A valid #GtkTreeIter
1418 * Returns the depth of @iter. This will be 0 for anything on the root level, 1
1419 * for anything down a level, etc.
1421 * Return value: The depth of @iter
1424 gtk_tree_store_iter_depth (GtkTreeStore *tree_store,
1427 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), 0);
1428 g_return_val_if_fail (VALID_ITER (iter, tree_store), 0);
1430 return g_node_depth (G_NODE (iter->user_data)) - 2;
1433 /* simple ripoff from g_node_traverse_post_order */
1435 gtk_tree_store_clear_traverse (GNode *node,
1436 GtkTreeStore *store)
1444 child = node->children;
1447 register GNode *current;
1450 child = current->next;
1451 if (gtk_tree_store_clear_traverse (current, store))
1457 iter.stamp = store->stamp;
1458 iter.user_data = node;
1460 gtk_tree_store_remove (store, &iter);
1463 else if (node->parent)
1465 iter.stamp = store->stamp;
1466 iter.user_data = node;
1468 gtk_tree_store_remove (store, &iter);
1475 * gtk_tree_store_clear:
1476 * @tree_store: a #GtkTreeStore
1478 * Removes all rows from @tree_store
1481 gtk_tree_store_clear (GtkTreeStore *tree_store)
1483 g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
1485 gtk_tree_store_clear_traverse (tree_store->root, tree_store);
1489 gtk_tree_store_iter_is_valid_helper (GtkTreeIter *iter,
1498 if (node == iter->user_data)
1502 if (gtk_tree_store_iter_is_valid_helper (iter, node->children))
1513 * gtk_tree_store_iter_is_valid:
1514 * @tree_store: A #GtkTreeStore.
1515 * @iter: A #GtkTreeIter.
1517 * WARNING: This function is slow. Only use it for debugging and/or testing
1520 * Checks if the given iter is a valid iter for this #GtkTreeStore.
1522 * Return value: %TRUE if the iter is valid, %FALSE if the iter is invalid.
1525 gtk_tree_store_iter_is_valid (GtkTreeStore *tree_store,
1528 g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
1529 g_return_val_if_fail (iter != NULL, FALSE);
1531 if (!VALID_ITER (iter, tree_store))
1534 return gtk_tree_store_iter_is_valid_helper (iter, tree_store->root);
1541 gtk_tree_store_drag_data_delete (GtkTreeDragSource *drag_source,
1546 g_return_val_if_fail (GTK_IS_TREE_STORE (drag_source), FALSE);
1548 if (gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_source),
1552 gtk_tree_store_remove (GTK_TREE_STORE (drag_source),
1563 gtk_tree_store_drag_data_get (GtkTreeDragSource *drag_source,
1565 GtkSelectionData *selection_data)
1567 g_return_val_if_fail (GTK_IS_TREE_STORE (drag_source), FALSE);
1569 /* Note that we don't need to handle the GTK_TREE_MODEL_ROW
1570 * target, because the default handler does it for us, but
1571 * we do anyway for the convenience of someone maybe overriding the
1575 if (gtk_tree_set_row_drag_data (selection_data,
1576 GTK_TREE_MODEL (drag_source),
1583 /* FIXME handle text targets at least. */
1590 copy_node_data (GtkTreeStore *tree_store,
1591 GtkTreeIter *src_iter,
1592 GtkTreeIter *dest_iter)
1594 GtkTreeDataList *dl = G_NODE (src_iter->user_data)->data;
1595 GtkTreeDataList *copy_head = NULL;
1596 GtkTreeDataList *copy_prev = NULL;
1597 GtkTreeDataList *copy_iter = NULL;
1604 copy_iter = _gtk_tree_data_list_node_copy (dl, tree_store->column_headers[col]);
1606 if (copy_head == NULL)
1607 copy_head = copy_iter;
1610 copy_prev->next = copy_iter;
1612 copy_prev = copy_iter;
1618 G_NODE (dest_iter->user_data)->data = copy_head;
1620 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), dest_iter);
1621 gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, dest_iter);
1622 gtk_tree_path_free (path);
1626 recursive_node_copy (GtkTreeStore *tree_store,
1627 GtkTreeIter *src_iter,
1628 GtkTreeIter *dest_iter)
1631 GtkTreeModel *model;
1633 model = GTK_TREE_MODEL (tree_store);
1635 copy_node_data (tree_store, src_iter, dest_iter);
1637 if (gtk_tree_model_iter_children (model,
1641 /* Need to create children and recurse. Note our
1642 * dependence on persistent iterators here.
1648 /* Gee, a really slow algorithm... ;-) FIXME */
1649 gtk_tree_store_append (tree_store,
1653 recursive_node_copy (tree_store, &child, ©);
1655 while (gtk_tree_model_iter_next (model, &child));
1660 gtk_tree_store_drag_data_received (GtkTreeDragDest *drag_dest,
1662 GtkSelectionData *selection_data)
1664 GtkTreeModel *tree_model;
1665 GtkTreeStore *tree_store;
1666 GtkTreeModel *src_model = NULL;
1667 GtkTreePath *src_path = NULL;
1668 gboolean retval = FALSE;
1670 g_return_val_if_fail (GTK_IS_TREE_STORE (drag_dest), FALSE);
1672 tree_model = GTK_TREE_MODEL (drag_dest);
1673 tree_store = GTK_TREE_STORE (drag_dest);
1675 validate_tree (tree_store);
1677 if (gtk_tree_get_row_drag_data (selection_data,
1680 src_model == tree_model)
1682 /* Copy the given row to a new position */
1683 GtkTreeIter src_iter;
1684 GtkTreeIter dest_iter;
1687 if (!gtk_tree_model_get_iter (src_model,
1694 /* Get the path to insert _after_ (dest is the path to insert _before_) */
1695 prev = gtk_tree_path_copy (dest);
1697 if (!gtk_tree_path_prev (prev))
1699 GtkTreeIter dest_parent;
1700 GtkTreePath *parent;
1701 GtkTreeIter *dest_parent_p;
1703 /* dest was the first spot at the current depth; which means
1704 * we are supposed to prepend.
1707 /* Get the parent, NULL if parent is the root */
1708 dest_parent_p = NULL;
1709 parent = gtk_tree_path_copy (dest);
1710 if (gtk_tree_path_up (parent) &&
1711 gtk_tree_path_get_depth (parent) > 0)
1713 gtk_tree_model_get_iter (tree_model,
1716 dest_parent_p = &dest_parent;
1718 gtk_tree_path_free (parent);
1721 gtk_tree_store_prepend (GTK_TREE_STORE (tree_model),
1729 if (gtk_tree_model_get_iter (GTK_TREE_MODEL (tree_model),
1733 GtkTreeIter tmp_iter = dest_iter;
1735 if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tree_model), "gtk-tree-model-drop-append")))
1739 if (gtk_tree_model_iter_parent (GTK_TREE_MODEL (tree_model), &parent, &tmp_iter))
1740 gtk_tree_store_append (GTK_TREE_STORE (tree_model),
1741 &dest_iter, &parent);
1743 gtk_tree_store_append (GTK_TREE_STORE (tree_model),
1747 gtk_tree_store_insert_after (GTK_TREE_STORE (tree_model),
1756 g_object_set_data (G_OBJECT (tree_model), "gtk-tree-model-drop-append",
1759 gtk_tree_path_free (prev);
1761 /* If we succeeded in creating dest_iter, walk src_iter tree branch,
1762 * duplicating it below dest_iter.
1767 recursive_node_copy (tree_store,
1774 /* FIXME maybe add some data targets eventually, or handle text
1775 * targets in the simple case.
1783 gtk_tree_path_free (src_path);
1789 gtk_tree_store_row_drop_possible (GtkTreeDragDest *drag_dest,
1790 GtkTreePath *dest_path,
1791 GtkSelectionData *selection_data)
1793 GtkTreeModel *src_model = NULL;
1794 GtkTreePath *src_path = NULL;
1795 GtkTreePath *tmp = NULL;
1796 gboolean retval = FALSE;
1798 if (!gtk_tree_get_row_drag_data (selection_data,
1803 /* can only drag to ourselves */
1804 if (src_model != GTK_TREE_MODEL (drag_dest))
1807 /* Can't drop into ourself. */
1808 if (gtk_tree_path_is_ancestor (src_path,
1812 /* Can't drop if dest_path's parent doesn't exist */
1816 if (gtk_tree_path_get_depth (dest_path) > 1)
1818 tmp = gtk_tree_path_copy (dest_path);
1819 gtk_tree_path_up (tmp);
1821 if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (drag_dest),
1827 /* Can otherwise drop anywhere. */
1833 gtk_tree_path_free (src_path);
1835 gtk_tree_path_free (tmp);
1841 typedef struct _SortTuple
1848 gtk_tree_store_compare_func (gconstpointer a,
1852 GtkTreeStore *tree_store = user_data;
1855 GtkTreeIterCompareFunc func;
1862 if (tree_store->sort_column_id != -1)
1864 GtkTreeDataSortHeader *header;
1866 header = _gtk_tree_data_list_get_header (tree_store->sort_list,
1867 tree_store->sort_column_id);
1868 g_return_val_if_fail (header != NULL, 0);
1869 g_return_val_if_fail (header->func != NULL, 0);
1871 func = header->func;
1872 data = header->data;
1876 g_return_val_if_fail (tree_store->default_sort_func != NULL, 0);
1877 func = tree_store->default_sort_func;
1878 data = tree_store->default_sort_data;
1881 node_a = ((SortTuple *) a)->node;
1882 node_b = ((SortTuple *) b)->node;
1884 iter_a.stamp = tree_store->stamp;
1885 iter_a.user_data = node_a;
1886 iter_b.stamp = tree_store->stamp;
1887 iter_b.user_data = node_b;
1889 retval = (* func) (GTK_TREE_MODEL (user_data), &iter_a, &iter_b, data);
1891 if (tree_store->order == GTK_SORT_DESCENDING)
1895 else if (retval < 0)
1902 gtk_tree_store_sort_helper (GtkTreeStore *tree_store,
1915 node = parent->children;
1916 if (node == NULL || node->next == NULL)
1919 g_assert (GTK_TREE_STORE_IS_SORTED (tree_store));
1922 for (tmp_node = node; tmp_node; tmp_node = tmp_node->next)
1925 sort_array = g_array_sized_new (FALSE, FALSE, sizeof (SortTuple), list_length);
1928 for (tmp_node = node; tmp_node; tmp_node = tmp_node->next)
1933 tuple.node = tmp_node;
1934 g_array_append_val (sort_array, tuple);
1938 /* Sort the array */
1939 g_array_sort_with_data (sort_array, gtk_tree_store_compare_func, tree_store);
1941 for (i = 0; i < list_length - 1; i++)
1943 g_array_index (sort_array, SortTuple, i).node->next =
1944 g_array_index (sort_array, SortTuple, i + 1).node;
1945 g_array_index (sort_array, SortTuple, i + 1).node->prev =
1946 g_array_index (sort_array, SortTuple, i).node;
1948 g_array_index (sort_array, SortTuple, list_length - 1).node->next = NULL;
1949 g_array_index (sort_array, SortTuple, 0).node->prev = NULL;
1950 parent->children = g_array_index (sort_array, SortTuple, 0).node;
1952 /* Let the world know about our new order */
1953 new_order = g_new (gint, list_length);
1954 for (i = 0; i < list_length; i++)
1955 new_order[i] = g_array_index (sort_array, SortTuple, i).offset;
1957 iter.stamp = tree_store->stamp;
1958 iter.user_data = parent;
1959 path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), &iter);
1960 gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
1961 path, &iter, new_order);
1962 gtk_tree_path_free (path);
1964 g_array_free (sort_array, TRUE);
1968 for (tmp_node = parent->children; tmp_node; tmp_node = tmp_node->next)
1970 if (tmp_node->children)
1971 gtk_tree_store_sort_helper (tree_store, tmp_node, TRUE);
1977 gtk_tree_store_sort (GtkTreeStore *tree_store)
1979 if (tree_store->sort_column_id != -1)
1981 GtkTreeDataSortHeader *header = NULL;
1983 header = _gtk_tree_data_list_get_header (tree_store->sort_list, tree_store->sort_column_id);
1985 /* We want to make sure that we have a function */
1986 g_return_if_fail (header != NULL);
1987 g_return_if_fail (header->func != NULL);
1991 g_return_if_fail (tree_store->default_sort_func != NULL);
1994 gtk_tree_store_sort_helper (tree_store, G_NODE (tree_store->root), TRUE);
1998 gtk_tree_store_sort_iter_changed (GtkTreeStore *tree_store,
2005 GtkTreePath *tmp_path;
2006 GtkTreeIter tmp_iter;
2014 GtkTreeIterCompareFunc func;
2017 g_return_if_fail (G_NODE (iter->user_data)->parent != NULL);
2019 tmp_iter.stamp = tree_store->stamp;
2020 if (tree_store->sort_column_id != -1)
2022 GtkTreeDataSortHeader *header;
2023 header = _gtk_tree_data_list_get_header (tree_store->sort_list,
2024 tree_store->sort_column_id);
2025 g_return_if_fail (header != NULL);
2026 g_return_if_fail (header->func != NULL);
2027 func = header->func;
2028 data = header->data;
2032 g_return_if_fail (tree_store->default_sort_func != NULL);
2033 func = tree_store->default_sort_func;
2034 data = tree_store->default_sort_data;
2037 /* If it's the built in function, we don't sort. */
2038 if (func == gtk_tree_data_list_compare_func &&
2039 tree_store->sort_column_id != column)
2043 node = G_NODE (iter->user_data)->parent->children;
2044 /* First we find the iter, its prev, and its next */
2047 if (node == G_NODE (iter->user_data))
2052 g_assert (node != NULL);
2057 /* Check the common case, where we don't need to sort it moved. */
2060 tmp_iter.user_data = prev;
2061 cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
2066 tmp_iter.user_data = next;
2067 cmp_b = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
2071 if (tree_store->order == GTK_SORT_DESCENDING)
2084 if (prev == NULL && cmp_b <= 0)
2086 else if (next == NULL && cmp_a <= 0)
2088 else if (prev != NULL && next != NULL &&
2089 cmp_a <= 0 && cmp_b <= 0)
2092 /* We actually need to sort it */
2093 /* First, remove the old link. */
2098 node->parent->children = next;
2106 /* FIXME: as an optimization, we can potentially start at next */
2108 node = node->parent->children;
2110 tmp_iter.user_data = node;
2111 if (tree_store->order == GTK_SORT_DESCENDING)
2112 cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
2114 cmp_a = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
2116 while ((node->next) && (cmp_a > 0))
2121 tmp_iter.user_data = node;
2122 if (tree_store->order == GTK_SORT_DESCENDING)
2123 cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
2125 cmp_a = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
2128 if ((!node->next) && (cmp_a > 0))
2131 node->next = G_NODE (iter->user_data);
2132 node->next->prev = node;
2136 prev->next = G_NODE (iter->user_data);
2137 prev->next->prev = prev;
2138 G_NODE (iter->user_data)->next = node;
2139 G_NODE (iter->user_data)->next->prev = G_NODE (iter->user_data);
2143 G_NODE (iter->user_data)->next = G_NODE (iter->user_data)->parent->children;
2144 G_NODE (iter->user_data)->next->prev = G_NODE (iter->user_data);
2145 G_NODE (iter->user_data)->parent->children = G_NODE (iter->user_data);
2148 /* Emit the reordered signal. */
2149 length = g_node_n_children (node->parent);
2150 new_order = g_new (int, length);
2151 if (old_location < new_location)
2152 for (i = 0; i < length; i++)
2154 if (i < old_location ||
2157 else if (i >= old_location &&
2159 new_order[i] = i + 1;
2160 else if (i == new_location)
2161 new_order[i] = old_location;
2164 for (i = 0; i < length; i++)
2166 if (i < new_location ||
2169 else if (i > new_location &&
2171 new_order[i] = i - 1;
2172 else if (i == new_location)
2173 new_order[i] = old_location;
2176 tmp_iter.user_data = node->parent;
2177 tmp_path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), &tmp_iter);
2179 gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
2180 tmp_path, &tmp_iter,
2183 gtk_tree_path_free (tmp_path);
2189 gtk_tree_store_get_sort_column_id (GtkTreeSortable *sortable,
2190 gint *sort_column_id,
2193 GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
2195 g_return_val_if_fail (GTK_IS_TREE_STORE (sortable), FALSE);
2197 if (tree_store->sort_column_id == -1)
2201 * sort_column_id = tree_store->sort_column_id;
2203 * order = tree_store->order;
2209 gtk_tree_store_set_sort_column_id (GtkTreeSortable *sortable,
2210 gint sort_column_id,
2213 GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
2215 g_return_if_fail (GTK_IS_TREE_STORE (sortable));
2218 if ((tree_store->sort_column_id == sort_column_id) &&
2219 (tree_store->order == order))
2222 if (sort_column_id != -1)
2224 GtkTreeDataSortHeader *header = NULL;
2226 header = _gtk_tree_data_list_get_header (tree_store->sort_list, sort_column_id);
2228 /* We want to make sure that we have a function */
2229 g_return_if_fail (header != NULL);
2230 g_return_if_fail (header->func != NULL);
2234 g_return_if_fail (tree_store->default_sort_func != NULL);
2237 tree_store->sort_column_id = sort_column_id;
2238 tree_store->order = order;
2240 gtk_tree_store_sort (tree_store);
2242 gtk_tree_sortable_sort_column_changed (sortable);
2246 gtk_tree_store_set_sort_func (GtkTreeSortable *sortable,
2247 gint sort_column_id,
2248 GtkTreeIterCompareFunc func,
2250 GtkDestroyNotify destroy)
2252 GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
2253 GtkTreeDataSortHeader *header = NULL;
2256 g_return_if_fail (GTK_IS_TREE_STORE (sortable));
2257 g_return_if_fail (func != NULL);
2259 for (list = tree_store->sort_list; list; list = list->next)
2261 GtkTreeDataSortHeader *list_header;
2263 list_header = (GtkTreeDataSortHeader*) list->data;
2264 if (list_header->sort_column_id == sort_column_id)
2266 header = list_header;
2273 header = g_new0 (GtkTreeDataSortHeader, 1);
2274 header->sort_column_id = sort_column_id;
2275 tree_store->sort_list = g_list_append (tree_store->sort_list, header);
2278 if (header->destroy)
2280 GtkDestroyNotify d = header->destroy;
2282 header->destroy = NULL;
2286 header->func = func;
2287 header->data = data;
2288 header->destroy = destroy;
2292 gtk_tree_store_set_default_sort_func (GtkTreeSortable *sortable,
2293 GtkTreeIterCompareFunc func,
2295 GtkDestroyNotify destroy)
2297 GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
2299 g_return_if_fail (GTK_IS_TREE_STORE (sortable));
2301 if (tree_store->default_sort_destroy)
2303 GtkDestroyNotify d = tree_store->default_sort_destroy;
2305 tree_store->default_sort_destroy = NULL;
2306 d (tree_store->default_sort_data);
2309 tree_store->default_sort_func = func;
2310 tree_store->default_sort_data = data;
2311 tree_store->default_sort_destroy = destroy;
2315 gtk_tree_store_has_default_sort_func (GtkTreeSortable *sortable)
2317 GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
2319 g_return_val_if_fail (GTK_IS_TREE_STORE (sortable), FALSE);
2321 return (tree_store->default_sort_func != NULL);
2325 validate_gnode (GNode* node)
2329 iter = node->children;
2330 while (iter != NULL)
2332 g_assert (iter->parent == node);
2334 g_assert (iter->prev->next == iter);
2335 validate_gnode (iter);