forked from AuroraMiddleware/gtk
95c032f531
Drop the "WARNING" and the block quote, and follow the existing documentation style guidelines.
3465 lines
93 KiB
C
3465 lines
93 KiB
C
/* gtktreestore.c
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* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gobject/gvaluecollector.h>
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#include "gtktreemodel.h"
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#include "gtktreestore.h"
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#include "gtktreedatalist.h"
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#include "gtktreednd.h"
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#include "gtkbuildable.h"
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#include "gtkbuilderprivate.h"
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#include "gtkdebug.h"
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#include "gtkintl.h"
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/**
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* GtkTreeStore:
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*
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* A tree-like data structure that can be used with the GtkTreeView
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*
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* The `GtkTreeStore` object is a list model for use with a `GtkTreeView`
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* widget. It implements the `GtkTreeModel` interface, and consequently,
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* can use all of the methods available there. It also implements the
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* `GtkTreeSortable` interface so it can be sorted by the view. Finally,
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* it also implements the tree
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* [drag and drop][gtk3-GtkTreeView-drag-and-drop]
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* interfaces.
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*
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* # GtkTreeStore as GtkBuildable
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*
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* The GtkTreeStore implementation of the `GtkBuildable` interface allows
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* to specify the model columns with a <columns> element that may contain
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* multiple <column> elements, each specifying one model column. The “type”
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* attribute specifies the data type for the column.
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*
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* An example of a UI Definition fragment for a tree store:
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* |[
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* <object class="GtkTreeStore">
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* <columns>
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* <column type="gchararray"/>
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* <column type="gchararray"/>
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* <column type="gint"/>
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* </columns>
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* </object>
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* ]|
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*/
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struct _GtkTreeStorePrivate
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{
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int stamp;
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GtkSortType order;
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gpointer root;
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gpointer last;
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int n_columns;
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int sort_column_id;
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GList *sort_list;
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GType *column_headers;
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GtkTreeIterCompareFunc default_sort_func;
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gpointer default_sort_data;
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GDestroyNotify default_sort_destroy;
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guint columns_dirty : 1;
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};
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#define G_NODE(node) ((GNode *)node)
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#define GTK_TREE_STORE_IS_SORTED(tree) (((GtkTreeStore*)(tree))->priv->sort_column_id != GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID)
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#define VALID_ITER(iter, tree_store) ((iter)!= NULL && (iter)->user_data != NULL && ((GtkTreeStore*)(tree_store))->priv->stamp == (iter)->stamp)
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static void gtk_tree_store_tree_model_init (GtkTreeModelIface *iface);
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static void gtk_tree_store_drag_source_init(GtkTreeDragSourceIface *iface);
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static void gtk_tree_store_drag_dest_init (GtkTreeDragDestIface *iface);
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static void gtk_tree_store_sortable_init (GtkTreeSortableIface *iface);
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static void gtk_tree_store_buildable_init (GtkBuildableIface *iface);
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static void gtk_tree_store_finalize (GObject *object);
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static GtkTreeModelFlags gtk_tree_store_get_flags (GtkTreeModel *tree_model);
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static int gtk_tree_store_get_n_columns (GtkTreeModel *tree_model);
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static GType gtk_tree_store_get_column_type (GtkTreeModel *tree_model,
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int index);
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static gboolean gtk_tree_store_get_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreePath *path);
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static GtkTreePath *gtk_tree_store_get_path (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static void gtk_tree_store_get_value (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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int column,
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GValue *value);
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static gboolean gtk_tree_store_iter_next (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean gtk_tree_store_iter_previous (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean gtk_tree_store_iter_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent);
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static gboolean gtk_tree_store_iter_has_child (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static int gtk_tree_store_iter_n_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean gtk_tree_store_iter_nth_child (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent,
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int n);
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static gboolean gtk_tree_store_iter_parent (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *child);
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static void gtk_tree_store_set_n_columns (GtkTreeStore *tree_store,
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int n_columns);
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static void gtk_tree_store_set_column_type (GtkTreeStore *tree_store,
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int column,
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GType type);
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static void gtk_tree_store_increment_stamp (GtkTreeStore *tree_store);
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/* DND interfaces */
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static gboolean real_gtk_tree_store_row_draggable (GtkTreeDragSource *drag_source,
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GtkTreePath *path);
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static gboolean gtk_tree_store_drag_data_delete (GtkTreeDragSource *drag_source,
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GtkTreePath *path);
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static GdkContentProvider *
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gtk_tree_store_drag_data_get (GtkTreeDragSource *drag_source,
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GtkTreePath *path);
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static gboolean gtk_tree_store_drag_data_received (GtkTreeDragDest *drag_dest,
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GtkTreePath *dest,
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const GValue *value);
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static gboolean gtk_tree_store_row_drop_possible (GtkTreeDragDest *drag_dest,
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GtkTreePath *dest_path,
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const GValue *value);
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/* Sortable Interfaces */
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static void gtk_tree_store_sort (GtkTreeStore *tree_store);
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static void gtk_tree_store_sort_iter_changed (GtkTreeStore *tree_store,
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GtkTreeIter *iter,
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int column,
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gboolean emit_signal);
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static gboolean gtk_tree_store_get_sort_column_id (GtkTreeSortable *sortable,
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int *sort_column_id,
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GtkSortType *order);
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static void gtk_tree_store_set_sort_column_id (GtkTreeSortable *sortable,
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int sort_column_id,
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GtkSortType order);
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static void gtk_tree_store_set_sort_func (GtkTreeSortable *sortable,
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int sort_column_id,
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GtkTreeIterCompareFunc func,
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gpointer data,
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GDestroyNotify destroy);
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static void gtk_tree_store_set_default_sort_func (GtkTreeSortable *sortable,
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GtkTreeIterCompareFunc func,
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gpointer data,
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GDestroyNotify destroy);
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static gboolean gtk_tree_store_has_default_sort_func (GtkTreeSortable *sortable);
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/* buildable */
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static gboolean gtk_tree_store_buildable_custom_tag_start (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const char *tagname,
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GtkBuildableParser *parser,
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gpointer *data);
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static void gtk_tree_store_buildable_custom_finished (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const char *tagname,
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gpointer user_data);
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static void gtk_tree_store_move (GtkTreeStore *tree_store,
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GtkTreeIter *iter,
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GtkTreeIter *position,
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gboolean before);
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#ifdef G_ENABLE_DEBUG
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static void validate_gnode (GNode *node);
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static inline void
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validate_tree (GtkTreeStore *tree_store)
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{
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if (GTK_DEBUG_CHECK (TREE))
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{
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g_assert (G_NODE (tree_store->priv->root)->parent == NULL);
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validate_gnode (G_NODE (tree_store->priv->root));
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}
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}
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#else
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#define validate_tree(store)
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#endif
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G_DEFINE_TYPE_WITH_CODE (GtkTreeStore, gtk_tree_store, G_TYPE_OBJECT,
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G_ADD_PRIVATE (GtkTreeStore)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
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gtk_tree_store_tree_model_init)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE,
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gtk_tree_store_drag_source_init)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_DEST,
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gtk_tree_store_drag_dest_init)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_SORTABLE,
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gtk_tree_store_sortable_init)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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gtk_tree_store_buildable_init))
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static void
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gtk_tree_store_class_init (GtkTreeStoreClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) class;
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object_class->finalize = gtk_tree_store_finalize;
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}
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static void
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gtk_tree_store_tree_model_init (GtkTreeModelIface *iface)
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{
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iface->get_flags = gtk_tree_store_get_flags;
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iface->get_n_columns = gtk_tree_store_get_n_columns;
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iface->get_column_type = gtk_tree_store_get_column_type;
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iface->get_iter = gtk_tree_store_get_iter;
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iface->get_path = gtk_tree_store_get_path;
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iface->get_value = gtk_tree_store_get_value;
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iface->iter_next = gtk_tree_store_iter_next;
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iface->iter_previous = gtk_tree_store_iter_previous;
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iface->iter_children = gtk_tree_store_iter_children;
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iface->iter_has_child = gtk_tree_store_iter_has_child;
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iface->iter_n_children = gtk_tree_store_iter_n_children;
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iface->iter_nth_child = gtk_tree_store_iter_nth_child;
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iface->iter_parent = gtk_tree_store_iter_parent;
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}
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static void
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gtk_tree_store_drag_source_init (GtkTreeDragSourceIface *iface)
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{
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iface->row_draggable = real_gtk_tree_store_row_draggable;
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iface->drag_data_delete = gtk_tree_store_drag_data_delete;
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iface->drag_data_get = gtk_tree_store_drag_data_get;
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}
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static void
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gtk_tree_store_drag_dest_init (GtkTreeDragDestIface *iface)
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{
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iface->drag_data_received = gtk_tree_store_drag_data_received;
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iface->row_drop_possible = gtk_tree_store_row_drop_possible;
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}
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static void
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gtk_tree_store_sortable_init (GtkTreeSortableIface *iface)
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{
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iface->get_sort_column_id = gtk_tree_store_get_sort_column_id;
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iface->set_sort_column_id = gtk_tree_store_set_sort_column_id;
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iface->set_sort_func = gtk_tree_store_set_sort_func;
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iface->set_default_sort_func = gtk_tree_store_set_default_sort_func;
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iface->has_default_sort_func = gtk_tree_store_has_default_sort_func;
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}
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void
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gtk_tree_store_buildable_init (GtkBuildableIface *iface)
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{
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iface->custom_tag_start = gtk_tree_store_buildable_custom_tag_start;
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iface->custom_finished = gtk_tree_store_buildable_custom_finished;
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}
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static void
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gtk_tree_store_init (GtkTreeStore *tree_store)
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{
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GtkTreeStorePrivate *priv;
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priv = gtk_tree_store_get_instance_private (tree_store);
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tree_store->priv = priv;
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priv->root = g_node_new (NULL);
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/* While the odds are against us getting 0... */
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do
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{
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priv->stamp = g_random_int ();
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}
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while (priv->stamp == 0);
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priv->sort_list = NULL;
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priv->sort_column_id = GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID;
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priv->columns_dirty = FALSE;
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}
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/**
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* gtk_tree_store_new:
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* @n_columns: number of columns in the tree store
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* @...: all `GType` types for the columns, from first to last
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*
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* Creates a new tree store as with @n_columns columns each of the types passed
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* in. Note that only types derived from standard GObject fundamental types
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* are supported.
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*
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* As an example,
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*
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* ```
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* gtk_tree_store_new (3, G_TYPE_INT, G_TYPE_STRING, GDK_TYPE_TEXTURE);
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* ```
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*
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* will create a new `GtkTreeStore` with three columns, of type
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* `int`, `gchararray`, and `GdkTexture` respectively.
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*
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* Returns: a new `GtkTreeStore`
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**/
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GtkTreeStore *
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gtk_tree_store_new (int n_columns,
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...)
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{
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GtkTreeStore *retval;
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va_list args;
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int i;
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g_return_val_if_fail (n_columns > 0, NULL);
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retval = g_object_new (GTK_TYPE_TREE_STORE, NULL);
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gtk_tree_store_set_n_columns (retval, n_columns);
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va_start (args, n_columns);
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for (i = 0; i < n_columns; i++)
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{
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GType type = va_arg (args, GType);
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if (! _gtk_tree_data_list_check_type (type))
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{
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g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
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g_object_unref (retval);
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va_end (args);
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return NULL;
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}
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gtk_tree_store_set_column_type (retval, i, type);
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}
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va_end (args);
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return retval;
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}
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/**
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* gtk_tree_store_newv: (rename-to gtk_tree_store_new)
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* @n_columns: number of columns in the tree store
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* @types: (array length=n_columns): an array of `GType` types for the columns, from first to last
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*
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* Non vararg creation function. Used primarily by language bindings.
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*
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* Returns: (transfer full): a new `GtkTreeStore`
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**/
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GtkTreeStore *
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gtk_tree_store_newv (int n_columns,
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GType *types)
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{
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GtkTreeStore *retval;
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int i;
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g_return_val_if_fail (n_columns > 0, NULL);
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retval = g_object_new (GTK_TYPE_TREE_STORE, NULL);
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gtk_tree_store_set_n_columns (retval, n_columns);
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for (i = 0; i < n_columns; i++)
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{
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if (! _gtk_tree_data_list_check_type (types[i]))
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{
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g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
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g_object_unref (retval);
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return NULL;
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}
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gtk_tree_store_set_column_type (retval, i, types[i]);
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}
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return retval;
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}
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/**
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* gtk_tree_store_set_column_types:
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* @tree_store: A `GtkTreeStore`
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* @n_columns: Number of columns for the tree store
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* @types: (array length=n_columns): An array of `GType` types, one for each column
|
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*
|
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* This function is meant primarily for `GObjects` that inherit from
|
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* `GtkTreeStore`, and should only be used when constructing a new
|
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* `GtkTreeStore`. It will not function after a row has been added,
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* or a method on the `GtkTreeModel` interface is called.
|
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**/
|
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void
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gtk_tree_store_set_column_types (GtkTreeStore *tree_store,
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int n_columns,
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GType *types)
|
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{
|
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int i;
|
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|
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g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
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g_return_if_fail (tree_store->priv->columns_dirty == 0);
|
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gtk_tree_store_set_n_columns (tree_store, n_columns);
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for (i = 0; i < n_columns; i++)
|
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{
|
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if (! _gtk_tree_data_list_check_type (types[i]))
|
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{
|
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g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (types[i]));
|
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continue;
|
||
}
|
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gtk_tree_store_set_column_type (tree_store, i, types[i]);
|
||
}
|
||
}
|
||
|
||
static void
|
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gtk_tree_store_set_n_columns (GtkTreeStore *tree_store,
|
||
int n_columns)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
int i;
|
||
|
||
if (priv->n_columns == n_columns)
|
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return;
|
||
|
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priv->column_headers = g_renew (GType, priv->column_headers, n_columns);
|
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for (i = priv->n_columns; i < n_columns; i++)
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priv->column_headers[i] = G_TYPE_INVALID;
|
||
priv->n_columns = n_columns;
|
||
|
||
if (priv->sort_list)
|
||
_gtk_tree_data_list_header_free (priv->sort_list);
|
||
|
||
priv->sort_list = _gtk_tree_data_list_header_new (n_columns, priv->column_headers);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_set_column_type:
|
||
* @tree_store: a `GtkTreeStore`
|
||
* @column: column number
|
||
* @type: type of the data to be stored in @column
|
||
*
|
||
* Supported types include: %G_TYPE_UINT, %G_TYPE_INT, %G_TYPE_UCHAR,
|
||
* %G_TYPE_CHAR, %G_TYPE_BOOLEAN, %G_TYPE_POINTER, %G_TYPE_FLOAT,
|
||
* %G_TYPE_DOUBLE, %G_TYPE_STRING, %G_TYPE_OBJECT, and %G_TYPE_BOXED, along with
|
||
* subclasses of those types such as %GDK_TYPE_PIXBUF.
|
||
*
|
||
**/
|
||
static void
|
||
gtk_tree_store_set_column_type (GtkTreeStore *tree_store,
|
||
int column,
|
||
GType type)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
if (!_gtk_tree_data_list_check_type (type))
|
||
{
|
||
g_warning ("%s: Invalid type %s", G_STRLOC, g_type_name (type));
|
||
return;
|
||
}
|
||
priv->column_headers[column] = type;
|
||
}
|
||
|
||
static gboolean
|
||
node_free (GNode *node, gpointer data)
|
||
{
|
||
if (node->data)
|
||
_gtk_tree_data_list_free (node->data, (GType*)data);
|
||
node->data = NULL;
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_finalize (GObject *object)
|
||
{
|
||
GtkTreeStore *tree_store = GTK_TREE_STORE (object);
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
g_node_traverse (priv->root, G_POST_ORDER, G_TRAVERSE_ALL, -1,
|
||
node_free, priv->column_headers);
|
||
g_node_destroy (priv->root);
|
||
_gtk_tree_data_list_header_free (priv->sort_list);
|
||
g_free (priv->column_headers);
|
||
|
||
if (priv->default_sort_destroy)
|
||
{
|
||
GDestroyNotify d = priv->default_sort_destroy;
|
||
|
||
priv->default_sort_destroy = NULL;
|
||
d (priv->default_sort_data);
|
||
priv->default_sort_data = NULL;
|
||
}
|
||
|
||
/* must chain up */
|
||
G_OBJECT_CLASS (gtk_tree_store_parent_class)->finalize (object);
|
||
}
|
||
|
||
/* fulfill the GtkTreeModel requirements */
|
||
/* NOTE: GtkTreeStore::root is a GNode, that acts as the parent node. However,
|
||
* it is not visible to the tree or to the user., and the path “0” refers to the
|
||
* first child of GtkTreeStore::root.
|
||
*/
|
||
|
||
|
||
static GtkTreeModelFlags
|
||
gtk_tree_store_get_flags (GtkTreeModel *tree_model)
|
||
{
|
||
return GTK_TREE_MODEL_ITERS_PERSIST;
|
||
}
|
||
|
||
static int
|
||
gtk_tree_store_get_n_columns (GtkTreeModel *tree_model)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
return priv->n_columns;
|
||
}
|
||
|
||
static GType
|
||
gtk_tree_store_get_column_type (GtkTreeModel *tree_model,
|
||
int index)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
g_return_val_if_fail (index < priv->n_columns, G_TYPE_INVALID);
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
return priv->column_headers[index];
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_get_iter (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter,
|
||
GtkTreePath *path)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreeIter parent;
|
||
int *indices;
|
||
int depth, i;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
indices = gtk_tree_path_get_indices (path);
|
||
depth = gtk_tree_path_get_depth (path);
|
||
|
||
g_return_val_if_fail (depth > 0, FALSE);
|
||
|
||
parent.stamp = priv->stamp;
|
||
parent.user_data = priv->root;
|
||
|
||
if (!gtk_tree_store_iter_nth_child (tree_model, iter, &parent, indices[0]))
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
|
||
for (i = 1; i < depth; i++)
|
||
{
|
||
parent = *iter;
|
||
if (!gtk_tree_store_iter_nth_child (tree_model, iter, &parent, indices[i]))
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static GtkTreePath *
|
||
gtk_tree_store_get_path (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *retval;
|
||
GNode *tmp_node;
|
||
int i = 0;
|
||
|
||
g_return_val_if_fail (iter->user_data != NULL, NULL);
|
||
g_return_val_if_fail (iter->stamp == priv->stamp, NULL);
|
||
|
||
validate_tree (tree_store);
|
||
|
||
if (G_NODE (iter->user_data)->parent == NULL &&
|
||
G_NODE (iter->user_data) == priv->root)
|
||
return gtk_tree_path_new ();
|
||
g_assert (G_NODE (iter->user_data)->parent != NULL);
|
||
|
||
if (G_NODE (iter->user_data)->parent == G_NODE (priv->root))
|
||
{
|
||
retval = gtk_tree_path_new ();
|
||
tmp_node = G_NODE (priv->root)->children;
|
||
}
|
||
else
|
||
{
|
||
GtkTreeIter tmp_iter = *iter;
|
||
|
||
tmp_iter.user_data = G_NODE (iter->user_data)->parent;
|
||
|
||
retval = gtk_tree_store_get_path (tree_model, &tmp_iter);
|
||
tmp_node = G_NODE (iter->user_data)->parent->children;
|
||
}
|
||
|
||
if (retval == NULL)
|
||
return NULL;
|
||
|
||
if (tmp_node == NULL)
|
||
{
|
||
gtk_tree_path_free (retval);
|
||
return NULL;
|
||
}
|
||
|
||
for (; tmp_node; tmp_node = tmp_node->next)
|
||
{
|
||
if (tmp_node == G_NODE (iter->user_data))
|
||
break;
|
||
i++;
|
||
}
|
||
|
||
if (tmp_node == NULL)
|
||
{
|
||
/* We couldn't find node, meaning it's prolly not ours */
|
||
/* Perhaps I should do a g_return_if_fail here. */
|
||
gtk_tree_path_free (retval);
|
||
return NULL;
|
||
}
|
||
|
||
gtk_tree_path_append_index (retval, i);
|
||
|
||
return retval;
|
||
}
|
||
|
||
|
||
static void
|
||
gtk_tree_store_get_value (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter,
|
||
int column,
|
||
GValue *value)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreeDataList *list;
|
||
int tmp_column = column;
|
||
|
||
g_return_if_fail (column < priv->n_columns);
|
||
g_return_if_fail (VALID_ITER (iter, tree_store));
|
||
|
||
list = G_NODE (iter->user_data)->data;
|
||
|
||
while (tmp_column-- > 0 && list)
|
||
list = list->next;
|
||
|
||
if (list)
|
||
{
|
||
_gtk_tree_data_list_node_to_value (list,
|
||
priv->column_headers[column],
|
||
value);
|
||
}
|
||
else
|
||
{
|
||
/* We want to return an initialized but empty (default) value */
|
||
g_value_init (value, priv->column_headers[column]);
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_next (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter)
|
||
{
|
||
g_return_val_if_fail (iter->user_data != NULL, FALSE);
|
||
g_return_val_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->priv->stamp, FALSE);
|
||
|
||
if (G_NODE (iter->user_data)->next == NULL)
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
|
||
iter->user_data = G_NODE (iter->user_data)->next;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_previous (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter)
|
||
{
|
||
g_return_val_if_fail (iter->user_data != NULL, FALSE);
|
||
g_return_val_if_fail (iter->stamp == GTK_TREE_STORE (tree_model)->priv->stamp, FALSE);
|
||
|
||
if (G_NODE (iter->user_data)->prev == NULL)
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
|
||
iter->user_data = G_NODE (iter->user_data)->prev;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_children (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *children;
|
||
|
||
if (parent)
|
||
g_return_val_if_fail (VALID_ITER (parent, tree_store), FALSE);
|
||
|
||
if (parent)
|
||
children = G_NODE (parent->user_data)->children;
|
||
else
|
||
children = G_NODE (priv->root)->children;
|
||
|
||
if (children)
|
||
{
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = children;
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_has_child (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter)
|
||
{
|
||
g_return_val_if_fail (iter->user_data != NULL, FALSE);
|
||
g_return_val_if_fail (VALID_ITER (iter, tree_model), FALSE);
|
||
|
||
return G_NODE (iter->user_data)->children != NULL;
|
||
}
|
||
|
||
static int
|
||
gtk_tree_store_iter_n_children (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter)
|
||
{
|
||
GNode *node;
|
||
int i = 0;
|
||
|
||
g_return_val_if_fail (iter == NULL || iter->user_data != NULL, 0);
|
||
|
||
if (iter == NULL)
|
||
node = G_NODE (GTK_TREE_STORE (tree_model)->priv->root)->children;
|
||
else
|
||
node = G_NODE (iter->user_data)->children;
|
||
|
||
while (node)
|
||
{
|
||
i++;
|
||
node = node->next;
|
||
}
|
||
|
||
return i;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_nth_child (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
int n)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *parent_node;
|
||
GNode *child;
|
||
|
||
g_return_val_if_fail (parent == NULL || parent->user_data != NULL, FALSE);
|
||
|
||
if (parent == NULL)
|
||
parent_node = priv->root;
|
||
else
|
||
parent_node = parent->user_data;
|
||
|
||
child = g_node_nth_child (parent_node, n);
|
||
|
||
if (child)
|
||
{
|
||
iter->user_data = child;
|
||
iter->stamp = priv->stamp;
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_parent (GtkTreeModel *tree_model,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *child)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) tree_model;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *parent;
|
||
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
g_return_val_if_fail (VALID_ITER (child, tree_store), FALSE);
|
||
|
||
parent = G_NODE (child->user_data)->parent;
|
||
|
||
g_assert (parent != NULL);
|
||
|
||
if (parent != priv->root)
|
||
{
|
||
iter->user_data = parent;
|
||
iter->stamp = priv->stamp;
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
iter->stamp = 0;
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
|
||
/* Does not emit a signal */
|
||
static gboolean
|
||
gtk_tree_store_real_set_value (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
int column,
|
||
GValue *value,
|
||
gboolean sort)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreeDataList *list;
|
||
GtkTreeDataList *prev;
|
||
int old_column = column;
|
||
GValue real_value = G_VALUE_INIT;
|
||
gboolean converted = FALSE;
|
||
gboolean retval = FALSE;
|
||
|
||
if (! g_type_is_a (G_VALUE_TYPE (value), priv->column_headers[column]))
|
||
{
|
||
if (! (g_value_type_transformable (G_VALUE_TYPE (value), priv->column_headers[column])))
|
||
{
|
||
g_warning ("%s: Unable to convert from %s to %s",
|
||
G_STRLOC,
|
||
g_type_name (G_VALUE_TYPE (value)),
|
||
g_type_name (priv->column_headers[column]));
|
||
return retval;
|
||
}
|
||
|
||
g_value_init (&real_value, priv->column_headers[column]);
|
||
if (!g_value_transform (value, &real_value))
|
||
{
|
||
g_warning ("%s: Unable to make conversion from %s to %s",
|
||
G_STRLOC,
|
||
g_type_name (G_VALUE_TYPE (value)),
|
||
g_type_name (priv->column_headers[column]));
|
||
g_value_unset (&real_value);
|
||
return retval;
|
||
}
|
||
converted = TRUE;
|
||
}
|
||
|
||
prev = list = G_NODE (iter->user_data)->data;
|
||
|
||
while (list != NULL)
|
||
{
|
||
if (column == 0)
|
||
{
|
||
if (converted)
|
||
_gtk_tree_data_list_value_to_node (list, &real_value);
|
||
else
|
||
_gtk_tree_data_list_value_to_node (list, value);
|
||
retval = TRUE;
|
||
if (converted)
|
||
g_value_unset (&real_value);
|
||
if (sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, old_column, TRUE);
|
||
return retval;
|
||
}
|
||
|
||
column--;
|
||
prev = list;
|
||
list = list->next;
|
||
}
|
||
|
||
if (G_NODE (iter->user_data)->data == NULL)
|
||
{
|
||
G_NODE (iter->user_data)->data = list = _gtk_tree_data_list_alloc ();
|
||
list->next = NULL;
|
||
}
|
||
else
|
||
{
|
||
list = prev->next = _gtk_tree_data_list_alloc ();
|
||
list->next = NULL;
|
||
}
|
||
|
||
while (column != 0)
|
||
{
|
||
list->next = _gtk_tree_data_list_alloc ();
|
||
list = list->next;
|
||
list->next = NULL;
|
||
column --;
|
||
}
|
||
|
||
if (converted)
|
||
_gtk_tree_data_list_value_to_node (list, &real_value);
|
||
else
|
||
_gtk_tree_data_list_value_to_node (list, value);
|
||
|
||
retval = TRUE;
|
||
if (converted)
|
||
g_value_unset (&real_value);
|
||
|
||
if (sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, old_column, TRUE);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_set_value:
|
||
* @tree_store: a `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter` for the row being modified
|
||
* @column: column number to modify
|
||
* @value: new value for the cell
|
||
*
|
||
* Sets the data in the cell specified by @iter and @column.
|
||
* The type of @value must be convertible to the type of the
|
||
* column.
|
||
*
|
||
**/
|
||
void
|
||
gtk_tree_store_set_value (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
int column,
|
||
GValue *value)
|
||
{
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (VALID_ITER (iter, tree_store));
|
||
g_return_if_fail (column >= 0 && column < tree_store->priv->n_columns);
|
||
g_return_if_fail (G_IS_VALUE (value));
|
||
|
||
if (gtk_tree_store_real_set_value (tree_store, iter, column, value, TRUE))
|
||
{
|
||
GtkTreePath *path;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, iter);
|
||
gtk_tree_path_free (path);
|
||
}
|
||
}
|
||
|
||
static GtkTreeIterCompareFunc
|
||
gtk_tree_store_get_compare_func (GtkTreeStore *tree_store)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreeIterCompareFunc func = NULL;
|
||
|
||
if (GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
{
|
||
if (priv->sort_column_id != -1)
|
||
{
|
||
GtkTreeDataSortHeader *header;
|
||
header = _gtk_tree_data_list_get_header (priv->sort_list,
|
||
priv->sort_column_id);
|
||
g_return_val_if_fail (header != NULL, NULL);
|
||
g_return_val_if_fail (header->func != NULL, NULL);
|
||
func = header->func;
|
||
}
|
||
else
|
||
{
|
||
func = priv->default_sort_func;
|
||
}
|
||
}
|
||
|
||
return func;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_set_vector_internal (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
gboolean *emit_signal,
|
||
gboolean *maybe_need_sort,
|
||
int *columns,
|
||
GValue *values,
|
||
int n_values)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
int i;
|
||
GtkTreeIterCompareFunc func = NULL;
|
||
|
||
func = gtk_tree_store_get_compare_func (tree_store);
|
||
if (func != _gtk_tree_data_list_compare_func)
|
||
*maybe_need_sort = TRUE;
|
||
|
||
for (i = 0; i < n_values; i++)
|
||
{
|
||
*emit_signal = gtk_tree_store_real_set_value (tree_store, iter,
|
||
columns[i], &values[i],
|
||
FALSE) || *emit_signal;
|
||
|
||
if (func == _gtk_tree_data_list_compare_func &&
|
||
columns[i] == priv->sort_column_id)
|
||
*maybe_need_sort = TRUE;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_set_valist_internal (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
gboolean *emit_signal,
|
||
gboolean *maybe_need_sort,
|
||
va_list var_args)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
int column;
|
||
GtkTreeIterCompareFunc func = NULL;
|
||
|
||
column = va_arg (var_args, int);
|
||
|
||
func = gtk_tree_store_get_compare_func (tree_store);
|
||
if (func != _gtk_tree_data_list_compare_func)
|
||
*maybe_need_sort = TRUE;
|
||
|
||
while (column != -1)
|
||
{
|
||
GValue value = G_VALUE_INIT;
|
||
char *error = NULL;
|
||
|
||
if (column < 0 || column >= priv->n_columns)
|
||
{
|
||
g_warning ("%s: Invalid column number %d added to iter (remember to end your list of columns with a -1)", G_STRLOC, column);
|
||
break;
|
||
}
|
||
|
||
G_VALUE_COLLECT_INIT (&value, priv->column_headers[column],
|
||
var_args, 0, &error);
|
||
if (error)
|
||
{
|
||
g_warning ("%s: %s", G_STRLOC, error);
|
||
g_free (error);
|
||
|
||
/* we purposely leak the value here, it might not be
|
||
* in a sane state if an error condition occurred
|
||
*/
|
||
break;
|
||
}
|
||
|
||
*emit_signal = gtk_tree_store_real_set_value (tree_store,
|
||
iter,
|
||
column,
|
||
&value,
|
||
FALSE) || *emit_signal;
|
||
|
||
if (func == _gtk_tree_data_list_compare_func &&
|
||
column == priv->sort_column_id)
|
||
*maybe_need_sort = TRUE;
|
||
|
||
g_value_unset (&value);
|
||
|
||
column = va_arg (var_args, int);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_set_valuesv: (rename-to gtk_tree_store_set)
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter` for the row being modified
|
||
* @columns: (array length=n_values): an array of column numbers
|
||
* @values: (array length=n_values): an array of GValues
|
||
* @n_values: the length of the @columns and @values arrays
|
||
*
|
||
* A variant of gtk_tree_store_set_valist() which takes
|
||
* the columns and values as two arrays, instead of varargs. This
|
||
* function is mainly intended for language bindings or in case
|
||
* the number of columns to change is not known until run-time.
|
||
**/
|
||
void
|
||
gtk_tree_store_set_valuesv (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
int *columns,
|
||
GValue *values,
|
||
int n_values)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
gboolean emit_signal = FALSE;
|
||
gboolean maybe_need_sort = FALSE;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (VALID_ITER (iter, tree_store));
|
||
|
||
gtk_tree_store_set_vector_internal (tree_store, iter,
|
||
&emit_signal,
|
||
&maybe_need_sort,
|
||
columns, values, n_values);
|
||
|
||
if (maybe_need_sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, priv->sort_column_id, TRUE);
|
||
|
||
if (emit_signal)
|
||
{
|
||
GtkTreePath *path;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, iter);
|
||
gtk_tree_path_free (path);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_set_valist:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter` for the row being modified
|
||
* @var_args: va_list of column/value pairs
|
||
*
|
||
* See gtk_tree_store_set(); this version takes a va_list for
|
||
* use by language bindings.
|
||
*
|
||
**/
|
||
void
|
||
gtk_tree_store_set_valist (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
va_list var_args)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
gboolean emit_signal = FALSE;
|
||
gboolean maybe_need_sort = FALSE;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (VALID_ITER (iter, tree_store));
|
||
|
||
gtk_tree_store_set_valist_internal (tree_store, iter,
|
||
&emit_signal,
|
||
&maybe_need_sort,
|
||
var_args);
|
||
|
||
if (maybe_need_sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, priv->sort_column_id, TRUE);
|
||
|
||
if (emit_signal)
|
||
{
|
||
GtkTreePath *path;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, iter);
|
||
gtk_tree_path_free (path);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_set:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter` for the row being modified
|
||
* @...: pairs of column number and value, terminated with -1
|
||
*
|
||
* Sets the value of one or more cells in the row referenced by @iter.
|
||
* The variable argument list should contain integer column numbers,
|
||
* each column number followed by the value to be set.
|
||
* The list is terminated by a -1. For example, to set column 0 with type
|
||
* %G_TYPE_STRING to “Foo”, you would write
|
||
* `gtk_tree_store_set (store, iter, 0, "Foo", -1)`.
|
||
*
|
||
* The value will be referenced by the store if it is a %G_TYPE_OBJECT, and it
|
||
* will be copied if it is a %G_TYPE_STRING or %G_TYPE_BOXED.
|
||
**/
|
||
void
|
||
gtk_tree_store_set (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
...)
|
||
{
|
||
va_list var_args;
|
||
|
||
va_start (var_args, iter);
|
||
gtk_tree_store_set_valist (tree_store, iter, var_args);
|
||
va_end (var_args);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_remove:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter`
|
||
*
|
||
* Removes @iter from @tree_store. After being removed, @iter is set to the
|
||
* next valid row at that level, or invalidated if it previously pointed to the
|
||
* last one.
|
||
*
|
||
* Returns: %TRUE if @iter is still valid, %FALSE if not.
|
||
**/
|
||
gboolean
|
||
gtk_tree_store_remove (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GtkTreeIter new_iter = {0,};
|
||
GNode *parent;
|
||
GNode *next_node;
|
||
|
||
g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
|
||
g_return_val_if_fail (VALID_ITER (iter, tree_store), FALSE);
|
||
|
||
parent = G_NODE (iter->user_data)->parent;
|
||
|
||
g_assert (parent != NULL);
|
||
next_node = G_NODE (iter->user_data)->next;
|
||
|
||
if (G_NODE (iter->user_data)->data)
|
||
g_node_traverse (G_NODE (iter->user_data), G_POST_ORDER, G_TRAVERSE_ALL,
|
||
-1, node_free, priv->column_headers);
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
g_node_destroy (G_NODE (iter->user_data));
|
||
|
||
gtk_tree_model_row_deleted (GTK_TREE_MODEL (tree_store), path);
|
||
|
||
if (parent != G_NODE (priv->root))
|
||
{
|
||
/* child_toggled */
|
||
if (parent->children == NULL)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
|
||
new_iter.stamp = priv->stamp;
|
||
new_iter.user_data = parent;
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, &new_iter);
|
||
}
|
||
}
|
||
gtk_tree_path_free (path);
|
||
|
||
/* revalidate iter */
|
||
if (next_node != NULL)
|
||
{
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = next_node;
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
iter->stamp = 0;
|
||
iter->user_data = NULL;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_insert:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out): An unset `GtkTreeIter` to set to the new row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
* @position: position to insert the new row, or -1 for last
|
||
*
|
||
* Creates a new row at @position. If parent is non-%NULL, then the row will be
|
||
* made a child of @parent. Otherwise, the row will be created at the toplevel.
|
||
* If @position is -1 or is larger than the number of rows at that level, then
|
||
* the new row will be inserted to the end of the list. @iter will be changed
|
||
* to point to this new row. The row will be empty after this function is
|
||
* called. To fill in values, you need to call gtk_tree_store_set() or
|
||
* gtk_tree_store_set_value().
|
||
*
|
||
**/
|
||
void
|
||
gtk_tree_store_insert (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
int position)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GNode *parent_node;
|
||
GNode *new_node;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (iter != NULL);
|
||
if (parent)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
|
||
if (parent)
|
||
parent_node = parent->user_data;
|
||
else
|
||
parent_node = priv->root;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
new_node = g_node_new (NULL);
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = new_node;
|
||
g_node_insert (parent_node, position, new_node);
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
if (new_node->prev == NULL && new_node->next == NULL)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (path);
|
||
|
||
validate_tree ((GtkTreeStore*)tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_insert_before:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out): An unset `GtkTreeIter` to set to the new row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
* @sibling: (nullable): A valid `GtkTreeIter`
|
||
*
|
||
* Inserts a new row before @sibling. If @sibling is %NULL, then the row will
|
||
* be appended to @parent ’s children. If @parent and @sibling are %NULL, then
|
||
* the row will be appended to the toplevel. If both @sibling and @parent are
|
||
* set, then @parent must be the parent of @sibling. When @sibling is set,
|
||
* @parent is optional.
|
||
*
|
||
* @iter will be changed to point to this new row. The row will be empty after
|
||
* this function is called. To fill in values, you need to call
|
||
* gtk_tree_store_set() or gtk_tree_store_set_value().
|
||
*
|
||
**/
|
||
void
|
||
gtk_tree_store_insert_before (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
GtkTreeIter *sibling)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GNode *parent_node = NULL;
|
||
GNode *new_node;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (iter != NULL);
|
||
if (parent != NULL)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
if (sibling != NULL)
|
||
g_return_if_fail (VALID_ITER (sibling, tree_store));
|
||
|
||
if (parent == NULL && sibling == NULL)
|
||
parent_node = priv->root;
|
||
else if (parent == NULL)
|
||
parent_node = G_NODE (sibling->user_data)->parent;
|
||
else if (sibling == NULL)
|
||
parent_node = G_NODE (parent->user_data);
|
||
else
|
||
{
|
||
g_return_if_fail (G_NODE (sibling->user_data)->parent == G_NODE (parent->user_data));
|
||
parent_node = G_NODE (parent->user_data);
|
||
}
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
new_node = g_node_new (NULL);
|
||
|
||
g_node_insert_before (parent_node,
|
||
sibling ? G_NODE (sibling->user_data) : NULL,
|
||
new_node);
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = new_node;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
if (new_node->prev == NULL && new_node->next == NULL)
|
||
{
|
||
GtkTreeIter parent_iter;
|
||
|
||
parent_iter.stamp = priv->stamp;
|
||
parent_iter.user_data = parent_node;
|
||
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, &parent_iter);
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (path);
|
||
|
||
validate_tree (tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_insert_after:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out): An unset `GtkTreeIter` to set to the new row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
* @sibling: (nullable): A valid `GtkTreeIter`
|
||
*
|
||
* Inserts a new row after @sibling. If @sibling is %NULL, then the row will be
|
||
* prepended to @parent ’s children. If @parent and @sibling are %NULL, then
|
||
* the row will be prepended to the toplevel. If both @sibling and @parent are
|
||
* set, then @parent must be the parent of @sibling. When @sibling is set,
|
||
* @parent is optional.
|
||
*
|
||
* @iter will be changed to point to this new row. The row will be empty after
|
||
* this function is called. To fill in values, you need to call
|
||
* gtk_tree_store_set() or gtk_tree_store_set_value().
|
||
*
|
||
**/
|
||
void
|
||
gtk_tree_store_insert_after (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
GtkTreeIter *sibling)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GNode *parent_node;
|
||
GNode *new_node;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (iter != NULL);
|
||
if (parent != NULL)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
if (sibling != NULL)
|
||
g_return_if_fail (VALID_ITER (sibling, tree_store));
|
||
|
||
if (parent == NULL && sibling == NULL)
|
||
parent_node = priv->root;
|
||
else if (parent == NULL)
|
||
parent_node = G_NODE (sibling->user_data)->parent;
|
||
else if (sibling == NULL)
|
||
parent_node = G_NODE (parent->user_data);
|
||
else
|
||
{
|
||
g_return_if_fail (G_NODE (sibling->user_data)->parent ==
|
||
G_NODE (parent->user_data));
|
||
parent_node = G_NODE (parent->user_data);
|
||
}
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
new_node = g_node_new (NULL);
|
||
|
||
g_node_insert_after (parent_node,
|
||
sibling ? G_NODE (sibling->user_data) : NULL,
|
||
new_node);
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = new_node;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
if (new_node->prev == NULL && new_node->next == NULL)
|
||
{
|
||
GtkTreeIter parent_iter;
|
||
|
||
parent_iter.stamp = priv->stamp;
|
||
parent_iter.user_data = parent_node;
|
||
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, &parent_iter);
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (path);
|
||
|
||
validate_tree (tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_insert_with_values:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out) (optional): An unset `GtkTreeIter` to set the new row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
* @position: position to insert the new row, or -1 to append after existing rows
|
||
* @...: pairs of column number and value, terminated with -1
|
||
*
|
||
* Creates a new row at @position. @iter will be changed to point to this
|
||
* new row. If @position is -1, or larger than the number of rows on the list, then
|
||
* the new row will be appended to the list. The row will be filled with
|
||
* the values given to this function.
|
||
*
|
||
* Calling
|
||
* `gtk_tree_store_insert_with_values (tree_store, iter, position, ...)`
|
||
* has the same effect as calling
|
||
* |[<!-- language="C" -->
|
||
* gtk_tree_store_insert (tree_store, iter, position);
|
||
* gtk_tree_store_set (tree_store, iter, ...);
|
||
* ]|
|
||
* with the different that the former will only emit a row_inserted signal,
|
||
* while the latter will emit row_inserted, row_changed and if the tree store
|
||
* is sorted, rows_reordered. Since emitting the rows_reordered signal
|
||
* repeatedly can affect the performance of the program,
|
||
* gtk_tree_store_insert_with_values() should generally be preferred when
|
||
* inserting rows in a sorted tree store.
|
||
*/
|
||
void
|
||
gtk_tree_store_insert_with_values (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
int position,
|
||
...)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GNode *parent_node;
|
||
GNode *new_node;
|
||
GtkTreeIter tmp_iter;
|
||
va_list var_args;
|
||
gboolean changed = FALSE;
|
||
gboolean maybe_need_sort = FALSE;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
|
||
if (!iter)
|
||
iter = &tmp_iter;
|
||
|
||
if (parent)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
|
||
if (parent)
|
||
parent_node = parent->user_data;
|
||
else
|
||
parent_node = priv->root;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
new_node = g_node_new (NULL);
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = new_node;
|
||
g_node_insert (parent_node, position, new_node);
|
||
|
||
va_start (var_args, position);
|
||
gtk_tree_store_set_valist_internal (tree_store, iter,
|
||
&changed, &maybe_need_sort,
|
||
var_args);
|
||
va_end (var_args);
|
||
|
||
if (maybe_need_sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, priv->sort_column_id, FALSE);
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
if (new_node->prev == NULL && new_node->next == NULL)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (path);
|
||
|
||
validate_tree ((GtkTreeStore *)tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_insert_with_valuesv: (rename-to gtk_tree_store_insert_with_values)
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out) (optional): An unset `GtkTreeIter` to set the new row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
* @position: position to insert the new row, or -1 for last
|
||
* @columns: (array length=n_values): an array of column numbers
|
||
* @values: (array length=n_values): an array of GValues
|
||
* @n_values: the length of the @columns and @values arrays
|
||
*
|
||
* A variant of gtk_tree_store_insert_with_values() which takes
|
||
* the columns and values as two arrays, instead of varargs. This
|
||
* function is mainly intended for language bindings.
|
||
*/
|
||
void
|
||
gtk_tree_store_insert_with_valuesv (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent,
|
||
int position,
|
||
int *columns,
|
||
GValue *values,
|
||
int n_values)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GtkTreePath *path;
|
||
GNode *parent_node;
|
||
GNode *new_node;
|
||
GtkTreeIter tmp_iter;
|
||
gboolean changed = FALSE;
|
||
gboolean maybe_need_sort = FALSE;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
|
||
if (!iter)
|
||
iter = &tmp_iter;
|
||
|
||
if (parent)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
|
||
if (parent)
|
||
parent_node = parent->user_data;
|
||
else
|
||
parent_node = priv->root;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
new_node = g_node_new (NULL);
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = new_node;
|
||
g_node_insert (parent_node, position, new_node);
|
||
|
||
gtk_tree_store_set_vector_internal (tree_store, iter,
|
||
&changed, &maybe_need_sort,
|
||
columns, values, n_values);
|
||
|
||
if (maybe_need_sort && GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
gtk_tree_store_sort_iter_changed (tree_store, iter, priv->sort_column_id, FALSE);
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
if (new_node->prev == NULL && new_node->next == NULL)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (path);
|
||
|
||
validate_tree ((GtkTreeStore *)tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_prepend:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out): An unset `GtkTreeIter` to set to the prepended row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
*
|
||
* Prepends a new row to @tree_store. If @parent is non-%NULL, then it will prepend
|
||
* the new row before the first child of @parent, otherwise it will prepend a row
|
||
* to the top level. @iter will be changed to point to this new row. The row
|
||
* will be empty after this function is called. To fill in values, you need to
|
||
* call gtk_tree_store_set() or gtk_tree_store_set_value().
|
||
**/
|
||
void
|
||
gtk_tree_store_prepend (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *parent_node;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (iter != NULL);
|
||
if (parent != NULL)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
if (parent == NULL)
|
||
parent_node = priv->root;
|
||
else
|
||
parent_node = parent->user_data;
|
||
|
||
if (parent_node->children == NULL)
|
||
{
|
||
GtkTreePath *path;
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = g_node_new (NULL);
|
||
|
||
g_node_prepend (parent_node, G_NODE (iter->user_data));
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
|
||
}
|
||
gtk_tree_path_free (path);
|
||
}
|
||
else
|
||
{
|
||
gtk_tree_store_insert_after (tree_store, iter, parent, NULL);
|
||
}
|
||
|
||
validate_tree (tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_append:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: (out): An unset `GtkTreeIter` to set to the appended row
|
||
* @parent: (nullable): A valid `GtkTreeIter`
|
||
*
|
||
* Appends a new row to @tree_store. If @parent is non-%NULL, then it will append the
|
||
* new row after the last child of @parent, otherwise it will append a row to
|
||
* the top level. @iter will be changed to point to this new row. The row will
|
||
* be empty after this function is called. To fill in values, you need to call
|
||
* gtk_tree_store_set() or gtk_tree_store_set_value().
|
||
**/
|
||
void
|
||
gtk_tree_store_append (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *parent)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *parent_node;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (iter != NULL);
|
||
if (parent != NULL)
|
||
g_return_if_fail (VALID_ITER (parent, tree_store));
|
||
|
||
if (parent == NULL)
|
||
parent_node = priv->root;
|
||
else
|
||
parent_node = parent->user_data;
|
||
|
||
priv->columns_dirty = TRUE;
|
||
|
||
if (parent_node->children == NULL)
|
||
{
|
||
GtkTreePath *path;
|
||
|
||
iter->stamp = priv->stamp;
|
||
iter->user_data = g_node_new (NULL);
|
||
|
||
g_node_append (parent_node, G_NODE (iter->user_data));
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_model_row_inserted (GTK_TREE_MODEL (tree_store), path, iter);
|
||
|
||
if (parent_node != priv->root)
|
||
{
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (tree_store), path, parent);
|
||
}
|
||
gtk_tree_path_free (path);
|
||
}
|
||
else
|
||
{
|
||
gtk_tree_store_insert_before (tree_store, iter, parent, NULL);
|
||
}
|
||
|
||
validate_tree (tree_store);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_is_ancestor:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter`
|
||
* @descendant: A valid `GtkTreeIter`
|
||
*
|
||
* Returns %TRUE if @iter is an ancestor of @descendant. That is, @iter is the
|
||
* parent (or grandparent or great-grandparent) of @descendant.
|
||
*
|
||
* Returns: %TRUE, if @iter is an ancestor of @descendant
|
||
**/
|
||
gboolean
|
||
gtk_tree_store_is_ancestor (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *descendant)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
|
||
g_return_val_if_fail (VALID_ITER (iter, tree_store), FALSE);
|
||
g_return_val_if_fail (VALID_ITER (descendant, tree_store), FALSE);
|
||
|
||
return g_node_is_ancestor (G_NODE (iter->user_data),
|
||
G_NODE (descendant->user_data));
|
||
}
|
||
|
||
|
||
/**
|
||
* gtk_tree_store_iter_depth:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A valid `GtkTreeIter`
|
||
*
|
||
* Returns the depth of @iter. This will be 0 for anything on the root level, 1
|
||
* for anything down a level, etc.
|
||
*
|
||
* Returns: The depth of @iter
|
||
**/
|
||
int
|
||
gtk_tree_store_iter_depth (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), 0);
|
||
g_return_val_if_fail (VALID_ITER (iter, tree_store), 0);
|
||
|
||
return g_node_depth (G_NODE (iter->user_data)) - 2;
|
||
}
|
||
|
||
/* simple ripoff from g_node_traverse_post_order */
|
||
static gboolean
|
||
gtk_tree_store_clear_traverse (GNode *node,
|
||
GtkTreeStore *store)
|
||
{
|
||
GtkTreeIter iter;
|
||
|
||
if (node->children)
|
||
{
|
||
GNode *child;
|
||
|
||
child = node->children;
|
||
while (child)
|
||
{
|
||
register GNode *current;
|
||
|
||
current = child;
|
||
child = current->next;
|
||
if (gtk_tree_store_clear_traverse (current, store))
|
||
return TRUE;
|
||
}
|
||
|
||
if (node->parent)
|
||
{
|
||
iter.stamp = store->priv->stamp;
|
||
iter.user_data = node;
|
||
|
||
gtk_tree_store_remove (store, &iter);
|
||
}
|
||
}
|
||
else if (node->parent)
|
||
{
|
||
iter.stamp = store->priv->stamp;
|
||
iter.user_data = node;
|
||
|
||
gtk_tree_store_remove (store, &iter);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_increment_stamp (GtkTreeStore *tree_store)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
do
|
||
{
|
||
priv->stamp++;
|
||
}
|
||
while (priv->stamp == 0);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_clear:
|
||
* @tree_store: a `GtkTreeStore`
|
||
*
|
||
* Removes all rows from @tree_store
|
||
**/
|
||
void
|
||
gtk_tree_store_clear (GtkTreeStore *tree_store)
|
||
{
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
|
||
gtk_tree_store_clear_traverse (tree_store->priv->root, tree_store);
|
||
gtk_tree_store_increment_stamp (tree_store);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_iter_is_valid_helper (GtkTreeIter *iter,
|
||
GNode *first)
|
||
{
|
||
GNode *node;
|
||
|
||
node = first;
|
||
|
||
do
|
||
{
|
||
if (node == iter->user_data)
|
||
return TRUE;
|
||
|
||
if (node->children)
|
||
if (gtk_tree_store_iter_is_valid_helper (iter, node->children))
|
||
return TRUE;
|
||
|
||
node = node->next;
|
||
}
|
||
while (node);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_iter_is_valid:
|
||
* @tree_store: a tree store
|
||
* @iter: the iterator to check
|
||
*
|
||
* Checks if the given iter is a valid iter for this `GtkTreeStore`.
|
||
*
|
||
* This function is slow. Only use it for debugging and/or testing
|
||
* purposes.
|
||
*
|
||
* Returns: %TRUE if the iter is valid, %FALSE if the iter is invalid.
|
||
**/
|
||
gboolean
|
||
gtk_tree_store_iter_is_valid (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TREE_STORE (tree_store), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
if (!VALID_ITER (iter, tree_store))
|
||
return FALSE;
|
||
|
||
return gtk_tree_store_iter_is_valid_helper (iter, tree_store->priv->root);
|
||
}
|
||
|
||
/* DND */
|
||
|
||
|
||
static gboolean real_gtk_tree_store_row_draggable (GtkTreeDragSource *drag_source,
|
||
GtkTreePath *path)
|
||
{
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_drag_data_delete (GtkTreeDragSource *drag_source,
|
||
GtkTreePath *path)
|
||
{
|
||
GtkTreeIter iter;
|
||
|
||
if (gtk_tree_store_get_iter (GTK_TREE_MODEL (drag_source),
|
||
&iter,
|
||
path))
|
||
{
|
||
gtk_tree_store_remove (GTK_TREE_STORE (drag_source),
|
||
&iter);
|
||
return TRUE;
|
||
}
|
||
else
|
||
{
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
static GdkContentProvider *
|
||
gtk_tree_store_drag_data_get (GtkTreeDragSource *drag_source,
|
||
GtkTreePath *path)
|
||
{
|
||
/* Note that we don't need to handle the GTK_TREE_MODEL_ROW
|
||
* target, because the default handler does it for us, but
|
||
* we do anyway for the convenience of someone maybe overriding the
|
||
* default handler.
|
||
*/
|
||
return gtk_tree_create_row_drag_content (GTK_TREE_MODEL (drag_source), path);
|
||
}
|
||
|
||
static void
|
||
copy_node_data (GtkTreeStore *tree_store,
|
||
GtkTreeIter *src_iter,
|
||
GtkTreeIter *dest_iter)
|
||
{
|
||
GtkTreeDataList *dl = G_NODE (src_iter->user_data)->data;
|
||
GtkTreeDataList *copy_head = NULL;
|
||
GtkTreeDataList *copy_prev = NULL;
|
||
GtkTreeDataList *copy_iter = NULL;
|
||
GtkTreePath *path;
|
||
int col;
|
||
|
||
col = 0;
|
||
while (dl)
|
||
{
|
||
copy_iter = _gtk_tree_data_list_node_copy (dl, tree_store->priv->column_headers[col]);
|
||
|
||
if (copy_head == NULL)
|
||
copy_head = copy_iter;
|
||
|
||
if (copy_prev)
|
||
copy_prev->next = copy_iter;
|
||
|
||
copy_prev = copy_iter;
|
||
|
||
dl = dl->next;
|
||
++col;
|
||
}
|
||
|
||
G_NODE (dest_iter->user_data)->data = copy_head;
|
||
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), dest_iter);
|
||
gtk_tree_model_row_changed (GTK_TREE_MODEL (tree_store), path, dest_iter);
|
||
gtk_tree_path_free (path);
|
||
}
|
||
|
||
static void
|
||
recursive_node_copy (GtkTreeStore *tree_store,
|
||
GtkTreeIter *src_iter,
|
||
GtkTreeIter *dest_iter)
|
||
{
|
||
GtkTreeIter child;
|
||
GtkTreeModel *model;
|
||
|
||
model = GTK_TREE_MODEL (tree_store);
|
||
|
||
copy_node_data (tree_store, src_iter, dest_iter);
|
||
|
||
if (gtk_tree_store_iter_children (model,
|
||
&child,
|
||
src_iter))
|
||
{
|
||
/* Need to create children and recurse. Note our
|
||
* dependence on persistent iterators here.
|
||
*/
|
||
do
|
||
{
|
||
GtkTreeIter copy;
|
||
|
||
/* Gee, a really slow algorithm... ;-) FIXME */
|
||
gtk_tree_store_append (tree_store,
|
||
©,
|
||
dest_iter);
|
||
|
||
recursive_node_copy (tree_store, &child, ©);
|
||
}
|
||
while (gtk_tree_store_iter_next (model, &child));
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_drag_data_received (GtkTreeDragDest *drag_dest,
|
||
GtkTreePath *dest,
|
||
const GValue *value)
|
||
{
|
||
GtkTreeModel *tree_model;
|
||
GtkTreeStore *tree_store;
|
||
GtkTreeModel *src_model = NULL;
|
||
GtkTreePath *src_path = NULL;
|
||
gboolean retval = FALSE;
|
||
|
||
tree_model = GTK_TREE_MODEL (drag_dest);
|
||
tree_store = GTK_TREE_STORE (drag_dest);
|
||
|
||
validate_tree (tree_store);
|
||
|
||
if (gtk_tree_get_row_drag_data (value,
|
||
&src_model,
|
||
&src_path) &&
|
||
src_model == tree_model)
|
||
{
|
||
/* Copy the given row to a new position */
|
||
GtkTreeIter src_iter;
|
||
GtkTreeIter dest_iter;
|
||
GtkTreePath *prev;
|
||
|
||
if (!gtk_tree_store_get_iter (src_model,
|
||
&src_iter,
|
||
src_path))
|
||
{
|
||
goto out;
|
||
}
|
||
|
||
/* Get the path to insert _after_ (dest is the path to insert _before_) */
|
||
prev = gtk_tree_path_copy (dest);
|
||
|
||
if (!gtk_tree_path_prev (prev))
|
||
{
|
||
GtkTreeIter dest_parent;
|
||
GtkTreePath *parent;
|
||
GtkTreeIter *dest_parent_p;
|
||
|
||
/* dest was the first spot at the current depth; which means
|
||
* we are supposed to prepend.
|
||
*/
|
||
|
||
/* Get the parent, NULL if parent is the root */
|
||
dest_parent_p = NULL;
|
||
parent = gtk_tree_path_copy (dest);
|
||
if (gtk_tree_path_up (parent) &&
|
||
gtk_tree_path_get_depth (parent) > 0)
|
||
{
|
||
gtk_tree_store_get_iter (tree_model,
|
||
&dest_parent,
|
||
parent);
|
||
dest_parent_p = &dest_parent;
|
||
}
|
||
gtk_tree_path_free (parent);
|
||
parent = NULL;
|
||
|
||
gtk_tree_store_prepend (tree_store,
|
||
&dest_iter,
|
||
dest_parent_p);
|
||
|
||
retval = TRUE;
|
||
}
|
||
else
|
||
{
|
||
if (gtk_tree_store_get_iter (tree_model, &dest_iter, prev))
|
||
{
|
||
GtkTreeIter tmp_iter = dest_iter;
|
||
|
||
gtk_tree_store_insert_after (tree_store, &dest_iter, NULL,
|
||
&tmp_iter);
|
||
|
||
retval = TRUE;
|
||
}
|
||
}
|
||
|
||
gtk_tree_path_free (prev);
|
||
|
||
/* If we succeeded in creating dest_iter, walk src_iter tree branch,
|
||
* duplicating it below dest_iter.
|
||
*/
|
||
|
||
if (retval)
|
||
{
|
||
recursive_node_copy (tree_store,
|
||
&src_iter,
|
||
&dest_iter);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* FIXME maybe add some data targets eventually, or handle text
|
||
* targets in the simple case.
|
||
*/
|
||
|
||
}
|
||
|
||
out:
|
||
|
||
if (src_path)
|
||
gtk_tree_path_free (src_path);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_row_drop_possible (GtkTreeDragDest *drag_dest,
|
||
GtkTreePath *dest_path,
|
||
const GValue *value)
|
||
{
|
||
GtkTreeModel *src_model = NULL;
|
||
GtkTreePath *src_path = NULL;
|
||
GtkTreePath *tmp = NULL;
|
||
gboolean retval = FALSE;
|
||
|
||
/* don't accept drops if the tree has been sorted */
|
||
if (GTK_TREE_STORE_IS_SORTED (drag_dest))
|
||
return FALSE;
|
||
|
||
if (!gtk_tree_get_row_drag_data (value,
|
||
&src_model,
|
||
&src_path))
|
||
goto out;
|
||
|
||
/* can only drag to ourselves */
|
||
if (src_model != GTK_TREE_MODEL (drag_dest))
|
||
goto out;
|
||
|
||
/* Can't drop into ourself. */
|
||
if (gtk_tree_path_is_ancestor (src_path,
|
||
dest_path))
|
||
goto out;
|
||
|
||
/* Can't drop if dest_path's parent doesn't exist */
|
||
{
|
||
GtkTreeIter iter;
|
||
|
||
if (gtk_tree_path_get_depth (dest_path) > 1)
|
||
{
|
||
tmp = gtk_tree_path_copy (dest_path);
|
||
gtk_tree_path_up (tmp);
|
||
|
||
if (!gtk_tree_store_get_iter (GTK_TREE_MODEL (drag_dest),
|
||
&iter, tmp))
|
||
goto out;
|
||
}
|
||
}
|
||
|
||
/* Can otherwise drop anywhere. */
|
||
retval = TRUE;
|
||
|
||
out:
|
||
|
||
if (src_path)
|
||
gtk_tree_path_free (src_path);
|
||
if (tmp)
|
||
gtk_tree_path_free (tmp);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/* Sorting and reordering */
|
||
typedef struct _SortTuple
|
||
{
|
||
int offset;
|
||
GNode *node;
|
||
} SortTuple;
|
||
|
||
/* Reordering */
|
||
static int
|
||
gtk_tree_store_reorder_func (gconstpointer a,
|
||
gconstpointer b,
|
||
gpointer user_data)
|
||
{
|
||
SortTuple *a_reorder;
|
||
SortTuple *b_reorder;
|
||
|
||
a_reorder = (SortTuple *)a;
|
||
b_reorder = (SortTuple *)b;
|
||
|
||
if (a_reorder->offset < b_reorder->offset)
|
||
return -1;
|
||
if (a_reorder->offset > b_reorder->offset)
|
||
return 1;
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_reorder: (skip)
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @parent: (nullable): A `GtkTreeIter`
|
||
* @new_order: (array): an array of integers mapping the new position of each child
|
||
* to its old position before the re-ordering,
|
||
* i.e. @new_order`[newpos] = oldpos`.
|
||
*
|
||
* Reorders the children of @parent in @tree_store to follow the order
|
||
* indicated by @new_order. Note that this function only works with
|
||
* unsorted stores.
|
||
*/
|
||
void
|
||
gtk_tree_store_reorder (GtkTreeStore *tree_store,
|
||
GtkTreeIter *parent,
|
||
int *new_order)
|
||
{
|
||
int i, length = 0;
|
||
GNode *level, *node;
|
||
GtkTreePath *path;
|
||
SortTuple *sort_array;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (!GTK_TREE_STORE_IS_SORTED (tree_store));
|
||
g_return_if_fail (parent == NULL || VALID_ITER (parent, tree_store));
|
||
g_return_if_fail (new_order != NULL);
|
||
|
||
if (!parent)
|
||
level = G_NODE (tree_store->priv->root)->children;
|
||
else
|
||
level = G_NODE (parent->user_data)->children;
|
||
|
||
if (G_UNLIKELY (!level))
|
||
{
|
||
g_warning ("%s: Cannot reorder, parent has no children", G_STRLOC);
|
||
return;
|
||
}
|
||
|
||
/* count nodes */
|
||
node = level;
|
||
while (node)
|
||
{
|
||
length++;
|
||
node = node->next;
|
||
}
|
||
|
||
/* set up sortarray */
|
||
sort_array = g_new (SortTuple, length);
|
||
|
||
node = level;
|
||
for (i = 0; i < length; i++)
|
||
{
|
||
sort_array[new_order[i]].offset = i;
|
||
sort_array[i].node = node;
|
||
|
||
node = node->next;
|
||
}
|
||
|
||
g_qsort_with_data (sort_array,
|
||
length,
|
||
sizeof (SortTuple),
|
||
gtk_tree_store_reorder_func,
|
||
NULL);
|
||
|
||
/* fix up level */
|
||
for (i = 0; i < length - 1; i++)
|
||
{
|
||
sort_array[i].node->next = sort_array[i+1].node;
|
||
sort_array[i+1].node->prev = sort_array[i].node;
|
||
}
|
||
|
||
sort_array[length-1].node->next = NULL;
|
||
sort_array[0].node->prev = NULL;
|
||
if (parent)
|
||
G_NODE (parent->user_data)->children = sort_array[0].node;
|
||
else
|
||
G_NODE (tree_store->priv->root)->children = sort_array[0].node;
|
||
|
||
/* emit signal */
|
||
if (parent)
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), parent);
|
||
else
|
||
path = gtk_tree_path_new ();
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store), path,
|
||
parent, new_order);
|
||
gtk_tree_path_free (path);
|
||
g_free (sort_array);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_swap:
|
||
* @tree_store: A `GtkTreeStore`.
|
||
* @a: A `GtkTreeIter`.
|
||
* @b: Another `GtkTreeIter`.
|
||
*
|
||
* Swaps @a and @b in the same level of @tree_store. Note that this function
|
||
* only works with unsorted stores.
|
||
**/
|
||
void
|
||
gtk_tree_store_swap (GtkTreeStore *tree_store,
|
||
GtkTreeIter *a,
|
||
GtkTreeIter *b)
|
||
{
|
||
GNode *tmp, *node_a, *node_b, *parent_node;
|
||
GNode *a_prev, *a_next, *b_prev, *b_next;
|
||
int i, a_count, b_count, length, *order;
|
||
GtkTreePath *path_a, *path_b;
|
||
GtkTreeIter parent;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (VALID_ITER (a, tree_store));
|
||
g_return_if_fail (VALID_ITER (b, tree_store));
|
||
|
||
node_a = G_NODE (a->user_data);
|
||
node_b = G_NODE (b->user_data);
|
||
|
||
/* basic sanity checking */
|
||
if (node_a == node_b)
|
||
return;
|
||
|
||
path_a = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), a);
|
||
path_b = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), b);
|
||
|
||
g_return_if_fail (path_a && path_b);
|
||
|
||
gtk_tree_path_up (path_a);
|
||
gtk_tree_path_up (path_b);
|
||
|
||
if (gtk_tree_path_get_depth (path_a) == 0
|
||
|| gtk_tree_path_get_depth (path_b) == 0)
|
||
{
|
||
if (gtk_tree_path_get_depth (path_a) != gtk_tree_path_get_depth (path_b))
|
||
{
|
||
gtk_tree_path_free (path_a);
|
||
gtk_tree_path_free (path_b);
|
||
|
||
g_warning ("Given children are not in the same level\n");
|
||
return;
|
||
}
|
||
parent_node = G_NODE (tree_store->priv->root);
|
||
}
|
||
else
|
||
{
|
||
if (gtk_tree_path_compare (path_a, path_b))
|
||
{
|
||
gtk_tree_path_free (path_a);
|
||
gtk_tree_path_free (path_b);
|
||
|
||
g_warning ("Given children don't have a common parent\n");
|
||
return;
|
||
}
|
||
gtk_tree_store_get_iter (GTK_TREE_MODEL (tree_store), &parent,
|
||
path_a);
|
||
parent_node = G_NODE (parent.user_data);
|
||
}
|
||
gtk_tree_path_free (path_b);
|
||
|
||
/* old links which we have to keep around */
|
||
a_prev = node_a->prev;
|
||
a_next = node_a->next;
|
||
|
||
b_prev = node_b->prev;
|
||
b_next = node_b->next;
|
||
|
||
/* fix up links if the nodes are next to each other */
|
||
if (a_prev == node_b)
|
||
a_prev = node_a;
|
||
if (a_next == node_b)
|
||
a_next = node_a;
|
||
|
||
if (b_prev == node_a)
|
||
b_prev = node_b;
|
||
if (b_next == node_a)
|
||
b_next = node_b;
|
||
|
||
/* counting nodes */
|
||
tmp = parent_node->children;
|
||
i = a_count = b_count = 0;
|
||
while (tmp)
|
||
{
|
||
if (tmp == node_a)
|
||
a_count = i;
|
||
if (tmp == node_b)
|
||
b_count = i;
|
||
|
||
tmp = tmp->next;
|
||
i++;
|
||
}
|
||
length = i;
|
||
|
||
/* hacking the tree */
|
||
if (!a_prev)
|
||
parent_node->children = node_b;
|
||
else
|
||
a_prev->next = node_b;
|
||
|
||
if (a_next)
|
||
a_next->prev = node_b;
|
||
|
||
if (!b_prev)
|
||
parent_node->children = node_a;
|
||
else
|
||
b_prev->next = node_a;
|
||
|
||
if (b_next)
|
||
b_next->prev = node_a;
|
||
|
||
node_a->prev = b_prev;
|
||
node_a->next = b_next;
|
||
|
||
node_b->prev = a_prev;
|
||
node_b->next = a_next;
|
||
|
||
/* emit signal */
|
||
order = g_new (int, length);
|
||
for (i = 0; i < length; i++)
|
||
if (i == a_count)
|
||
order[i] = b_count;
|
||
else if (i == b_count)
|
||
order[i] = a_count;
|
||
else
|
||
order[i] = i;
|
||
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store), path_a,
|
||
parent_node == tree_store->priv->root
|
||
? NULL : &parent, order);
|
||
gtk_tree_path_free (path_a);
|
||
g_free (order);
|
||
}
|
||
|
||
/* WARNING: this function is *incredibly* fragile. Please smashtest after
|
||
* making changes here.
|
||
* -Kris
|
||
*/
|
||
static void
|
||
gtk_tree_store_move (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *position,
|
||
gboolean before)
|
||
{
|
||
GNode *parent, *node, *a, *b, *tmp, *tmp_a, *tmp_b;
|
||
int old_pos, new_pos, length, i, *order;
|
||
GtkTreePath *path = NULL, *tmppath, *pos_path = NULL;
|
||
GtkTreeIter parent_iter = { 0, };
|
||
GtkTreeIter dst_a = { 0, };
|
||
GtkTreeIter dst_b = { 0, };
|
||
int depth = 0;
|
||
gboolean handle_b = TRUE;
|
||
|
||
g_return_if_fail (GTK_IS_TREE_STORE (tree_store));
|
||
g_return_if_fail (!GTK_TREE_STORE_IS_SORTED (tree_store));
|
||
g_return_if_fail (VALID_ITER (iter, tree_store));
|
||
if (position)
|
||
g_return_if_fail (VALID_ITER (position, tree_store));
|
||
|
||
a = b = NULL;
|
||
|
||
/* sanity checks */
|
||
if (position)
|
||
{
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
pos_path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store),
|
||
position);
|
||
|
||
/* if before:
|
||
* moving the iter before path or "path + 1" doesn't make sense
|
||
* else
|
||
* moving the iter before path or "path - 1" doesn't make sense
|
||
*/
|
||
if (!gtk_tree_path_compare (path, pos_path))
|
||
goto free_paths_and_out;
|
||
|
||
if (before)
|
||
gtk_tree_path_next (path);
|
||
else
|
||
gtk_tree_path_prev (path);
|
||
|
||
if (!gtk_tree_path_compare (path, pos_path))
|
||
goto free_paths_and_out;
|
||
|
||
if (before)
|
||
gtk_tree_path_prev (path);
|
||
else
|
||
gtk_tree_path_next (path);
|
||
|
||
if (gtk_tree_path_get_depth (path) != gtk_tree_path_get_depth (pos_path))
|
||
{
|
||
g_warning ("Given children are not in the same level\n");
|
||
|
||
goto free_paths_and_out;
|
||
}
|
||
|
||
tmppath = gtk_tree_path_copy (pos_path);
|
||
gtk_tree_path_up (path);
|
||
gtk_tree_path_up (tmppath);
|
||
|
||
if (gtk_tree_path_get_depth (path) > 0 &&
|
||
gtk_tree_path_compare (path, tmppath))
|
||
{
|
||
g_warning ("Given children are not in the same level\n");
|
||
|
||
gtk_tree_path_free (tmppath);
|
||
goto free_paths_and_out;
|
||
}
|
||
|
||
gtk_tree_path_free (tmppath);
|
||
}
|
||
|
||
if (!path)
|
||
{
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), iter);
|
||
gtk_tree_path_up (path);
|
||
}
|
||
|
||
depth = gtk_tree_path_get_depth (path);
|
||
|
||
if (depth)
|
||
{
|
||
gtk_tree_store_get_iter (GTK_TREE_MODEL (tree_store),
|
||
&parent_iter, path);
|
||
|
||
parent = G_NODE (parent_iter.user_data);
|
||
}
|
||
else
|
||
parent = G_NODE (tree_store->priv->root);
|
||
|
||
/* yes, I know that this can be done shorter, but I'm doing it this way
|
||
* so the code is also maintainable
|
||
*/
|
||
|
||
if (before && position)
|
||
{
|
||
b = G_NODE (position->user_data);
|
||
|
||
if (gtk_tree_path_get_indices (pos_path)[gtk_tree_path_get_depth (pos_path) - 1] > 0)
|
||
{
|
||
gtk_tree_path_prev (pos_path);
|
||
if (gtk_tree_store_get_iter (GTK_TREE_MODEL (tree_store),
|
||
&dst_a, pos_path))
|
||
a = G_NODE (dst_a.user_data);
|
||
else
|
||
a = NULL;
|
||
gtk_tree_path_next (pos_path);
|
||
}
|
||
|
||
/* if b is NULL, a is NULL too -- we are at the beginning of the list
|
||
* yes and we leak memory here ...
|
||
*/
|
||
g_return_if_fail (b);
|
||
}
|
||
else if (before && !position)
|
||
{
|
||
/* move before without position is appending */
|
||
a = NULL;
|
||
b = NULL;
|
||
}
|
||
else /* !before */
|
||
{
|
||
if (position)
|
||
a = G_NODE (position->user_data);
|
||
else
|
||
a = NULL;
|
||
|
||
if (position)
|
||
{
|
||
gtk_tree_path_next (pos_path);
|
||
if (gtk_tree_store_get_iter (GTK_TREE_MODEL (tree_store), &dst_b, pos_path))
|
||
b = G_NODE (dst_b.user_data);
|
||
else
|
||
b = NULL;
|
||
gtk_tree_path_prev (pos_path);
|
||
}
|
||
else
|
||
{
|
||
/* move after without position is prepending */
|
||
if (depth)
|
||
gtk_tree_store_iter_children (GTK_TREE_MODEL (tree_store), &dst_b,
|
||
&parent_iter);
|
||
else
|
||
gtk_tree_store_iter_children (GTK_TREE_MODEL (tree_store), &dst_b,
|
||
NULL);
|
||
|
||
b = G_NODE (dst_b.user_data);
|
||
}
|
||
|
||
/* if a is NULL, b is NULL too -- we are at the end of the list
|
||
* yes and we leak memory here ...
|
||
*/
|
||
if (position)
|
||
g_return_if_fail (a);
|
||
}
|
||
|
||
/* counting nodes */
|
||
tmp = parent->children;
|
||
|
||
length = old_pos = 0;
|
||
while (tmp)
|
||
{
|
||
if (tmp == iter->user_data)
|
||
old_pos = length;
|
||
|
||
tmp = tmp->next;
|
||
length++;
|
||
}
|
||
|
||
/* remove node from list */
|
||
node = G_NODE (iter->user_data);
|
||
tmp_a = node->prev;
|
||
tmp_b = node->next;
|
||
|
||
if (tmp_a)
|
||
tmp_a->next = tmp_b;
|
||
else
|
||
parent->children = tmp_b;
|
||
|
||
if (tmp_b)
|
||
tmp_b->prev = tmp_a;
|
||
|
||
/* and reinsert the node */
|
||
if (a)
|
||
{
|
||
tmp = a->next;
|
||
|
||
a->next = node;
|
||
node->next = tmp;
|
||
node->prev = a;
|
||
}
|
||
else if (!a && !before)
|
||
{
|
||
tmp = parent->children;
|
||
|
||
node->prev = NULL;
|
||
parent->children = node;
|
||
|
||
node->next = tmp;
|
||
if (tmp)
|
||
tmp->prev = node;
|
||
|
||
handle_b = FALSE;
|
||
}
|
||
else if (!a && before)
|
||
{
|
||
if (!position)
|
||
{
|
||
node->parent = NULL;
|
||
node->next = node->prev = NULL;
|
||
|
||
/* before with sibling = NULL appends */
|
||
g_node_insert_before (parent, NULL, node);
|
||
}
|
||
else
|
||
{
|
||
node->parent = NULL;
|
||
node->next = node->prev = NULL;
|
||
|
||
/* after with sibling = NULL prepends */
|
||
g_node_insert_after (parent, NULL, node);
|
||
}
|
||
|
||
handle_b = FALSE;
|
||
}
|
||
|
||
if (handle_b)
|
||
{
|
||
if (b)
|
||
{
|
||
tmp = b->prev;
|
||
|
||
b->prev = node;
|
||
node->prev = tmp;
|
||
node->next = b;
|
||
}
|
||
else if (!(!a && before)) /* !a && before is completely handled above */
|
||
node->next = NULL;
|
||
}
|
||
|
||
/* emit signal */
|
||
if (position)
|
||
new_pos = gtk_tree_path_get_indices (pos_path)[gtk_tree_path_get_depth (pos_path)-1];
|
||
else if (before)
|
||
{
|
||
if (depth)
|
||
new_pos = gtk_tree_store_iter_n_children (GTK_TREE_MODEL (tree_store),
|
||
&parent_iter) - 1;
|
||
else
|
||
new_pos = gtk_tree_store_iter_n_children (GTK_TREE_MODEL (tree_store),
|
||
NULL) - 1;
|
||
}
|
||
else
|
||
new_pos = 0;
|
||
|
||
if (new_pos > old_pos)
|
||
{
|
||
if (before && position)
|
||
new_pos--;
|
||
}
|
||
else
|
||
{
|
||
if (!before && position)
|
||
new_pos++;
|
||
}
|
||
|
||
order = g_new (int, length);
|
||
if (new_pos > old_pos)
|
||
{
|
||
for (i = 0; i < length; i++)
|
||
if (i < old_pos)
|
||
order[i] = i;
|
||
else if (i >= old_pos && i < new_pos)
|
||
order[i] = i + 1;
|
||
else if (i == new_pos)
|
||
order[i] = old_pos;
|
||
else
|
||
order[i] = i;
|
||
}
|
||
else
|
||
{
|
||
for (i = 0; i < length; i++)
|
||
if (i == new_pos)
|
||
order[i] = old_pos;
|
||
else if (i > new_pos && i <= old_pos)
|
||
order[i] = i - 1;
|
||
else
|
||
order[i] = i;
|
||
}
|
||
|
||
if (depth)
|
||
{
|
||
tmppath = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store),
|
||
&parent_iter);
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
|
||
tmppath, &parent_iter, order);
|
||
}
|
||
else
|
||
{
|
||
tmppath = gtk_tree_path_new ();
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
|
||
tmppath, NULL, order);
|
||
}
|
||
|
||
gtk_tree_path_free (tmppath);
|
||
gtk_tree_path_free (path);
|
||
if (position)
|
||
gtk_tree_path_free (pos_path);
|
||
g_free (order);
|
||
|
||
return;
|
||
|
||
free_paths_and_out:
|
||
gtk_tree_path_free (path);
|
||
gtk_tree_path_free (pos_path);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_move_before:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A `GtkTreeIter`
|
||
* @position: (nullable): A `GtkTreeIter`
|
||
*
|
||
* Moves @iter in @tree_store to the position before @position. @iter and
|
||
* @position should be in the same level. Note that this function only
|
||
* works with unsorted stores. If @position is %NULL, @iter will be
|
||
* moved to the end of the level.
|
||
**/
|
||
void
|
||
gtk_tree_store_move_before (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *position)
|
||
{
|
||
gtk_tree_store_move (tree_store, iter, position, TRUE);
|
||
}
|
||
|
||
/**
|
||
* gtk_tree_store_move_after:
|
||
* @tree_store: A `GtkTreeStore`
|
||
* @iter: A `GtkTreeIter`.
|
||
* @position: (nullable): A `GtkTreeIter`.
|
||
*
|
||
* Moves @iter in @tree_store to the position after @position. @iter and
|
||
* @position should be in the same level. Note that this function only
|
||
* works with unsorted stores. If @position is %NULL, @iter will be moved
|
||
* to the start of the level.
|
||
**/
|
||
void
|
||
gtk_tree_store_move_after (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
GtkTreeIter *position)
|
||
{
|
||
gtk_tree_store_move (tree_store, iter, position, FALSE);
|
||
}
|
||
|
||
/* Sorting */
|
||
static int
|
||
gtk_tree_store_compare_func (gconstpointer a,
|
||
gconstpointer b,
|
||
gpointer user_data)
|
||
{
|
||
GtkTreeStore *tree_store = user_data;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *node_a;
|
||
GNode *node_b;
|
||
GtkTreeIterCompareFunc func;
|
||
gpointer data;
|
||
|
||
GtkTreeIter iter_a;
|
||
GtkTreeIter iter_b;
|
||
int retval;
|
||
|
||
if (priv->sort_column_id != -1)
|
||
{
|
||
GtkTreeDataSortHeader *header;
|
||
|
||
header = _gtk_tree_data_list_get_header (priv->sort_list,
|
||
priv->sort_column_id);
|
||
g_return_val_if_fail (header != NULL, 0);
|
||
g_return_val_if_fail (header->func != NULL, 0);
|
||
|
||
func = header->func;
|
||
data = header->data;
|
||
}
|
||
else
|
||
{
|
||
g_return_val_if_fail (priv->default_sort_func != NULL, 0);
|
||
func = priv->default_sort_func;
|
||
data = priv->default_sort_data;
|
||
}
|
||
|
||
node_a = ((SortTuple *) a)->node;
|
||
node_b = ((SortTuple *) b)->node;
|
||
|
||
iter_a.stamp = priv->stamp;
|
||
iter_a.user_data = node_a;
|
||
iter_b.stamp = priv->stamp;
|
||
iter_b.user_data = node_b;
|
||
|
||
retval = (* func) (GTK_TREE_MODEL (user_data), &iter_a, &iter_b, data);
|
||
|
||
if (priv->order == GTK_SORT_DESCENDING)
|
||
{
|
||
if (retval > 0)
|
||
retval = -1;
|
||
else if (retval < 0)
|
||
retval = 1;
|
||
}
|
||
return retval;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_sort_helper (GtkTreeStore *tree_store,
|
||
GNode *parent,
|
||
gboolean recurse)
|
||
{
|
||
GtkTreeIter iter;
|
||
GArray *sort_array;
|
||
GNode *node;
|
||
GNode *tmp_node;
|
||
int list_length;
|
||
int i;
|
||
int *new_order;
|
||
GtkTreePath *path;
|
||
|
||
node = parent->children;
|
||
if (node == NULL || node->next == NULL)
|
||
{
|
||
if (recurse && node && node->children)
|
||
gtk_tree_store_sort_helper (tree_store, node, TRUE);
|
||
|
||
return;
|
||
}
|
||
|
||
list_length = 0;
|
||
for (tmp_node = node; tmp_node; tmp_node = tmp_node->next)
|
||
list_length++;
|
||
|
||
sort_array = g_array_sized_new (FALSE, FALSE, sizeof (SortTuple), list_length);
|
||
|
||
i = 0;
|
||
for (tmp_node = node; tmp_node; tmp_node = tmp_node->next)
|
||
{
|
||
SortTuple tuple;
|
||
|
||
tuple.offset = i;
|
||
tuple.node = tmp_node;
|
||
g_array_append_val (sort_array, tuple);
|
||
i++;
|
||
}
|
||
|
||
/* Sort the array */
|
||
g_array_sort_with_data (sort_array, gtk_tree_store_compare_func, tree_store);
|
||
|
||
for (i = 0; i < list_length - 1; i++)
|
||
{
|
||
g_array_index (sort_array, SortTuple, i).node->next =
|
||
g_array_index (sort_array, SortTuple, i + 1).node;
|
||
g_array_index (sort_array, SortTuple, i + 1).node->prev =
|
||
g_array_index (sort_array, SortTuple, i).node;
|
||
}
|
||
g_array_index (sort_array, SortTuple, list_length - 1).node->next = NULL;
|
||
g_array_index (sort_array, SortTuple, 0).node->prev = NULL;
|
||
parent->children = g_array_index (sort_array, SortTuple, 0).node;
|
||
|
||
/* Let the world know about our new order */
|
||
new_order = g_new (int, list_length);
|
||
for (i = 0; i < list_length; i++)
|
||
new_order[i] = g_array_index (sort_array, SortTuple, i).offset;
|
||
|
||
iter.stamp = tree_store->priv->stamp;
|
||
iter.user_data = parent;
|
||
path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), &iter);
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
|
||
path, &iter, new_order);
|
||
gtk_tree_path_free (path);
|
||
g_free (new_order);
|
||
g_array_free (sort_array, TRUE);
|
||
|
||
if (recurse)
|
||
{
|
||
for (tmp_node = parent->children; tmp_node; tmp_node = tmp_node->next)
|
||
{
|
||
if (tmp_node->children)
|
||
gtk_tree_store_sort_helper (tree_store, tmp_node, TRUE);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_sort (GtkTreeStore *tree_store)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
if (!GTK_TREE_STORE_IS_SORTED (tree_store))
|
||
return;
|
||
|
||
if (priv->sort_column_id != -1)
|
||
{
|
||
GtkTreeDataSortHeader *header = NULL;
|
||
|
||
header = _gtk_tree_data_list_get_header (priv->sort_list,
|
||
priv->sort_column_id);
|
||
|
||
/* We want to make sure that we have a function */
|
||
g_return_if_fail (header != NULL);
|
||
g_return_if_fail (header->func != NULL);
|
||
}
|
||
else
|
||
{
|
||
g_return_if_fail (priv->default_sort_func != NULL);
|
||
}
|
||
|
||
gtk_tree_store_sort_helper (tree_store, G_NODE (priv->root), TRUE);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_sort_iter_changed (GtkTreeStore *tree_store,
|
||
GtkTreeIter *iter,
|
||
int column,
|
||
gboolean emit_signal)
|
||
{
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
GNode *prev = NULL;
|
||
GNode *next = NULL;
|
||
GNode *node;
|
||
GtkTreePath *tmp_path;
|
||
GtkTreeIter tmp_iter;
|
||
int cmp_a = 0;
|
||
int cmp_b = 0;
|
||
int i;
|
||
int old_location;
|
||
int new_location;
|
||
int *new_order;
|
||
int length;
|
||
GtkTreeIterCompareFunc func;
|
||
gpointer data;
|
||
|
||
g_return_if_fail (G_NODE (iter->user_data)->parent != NULL);
|
||
|
||
tmp_iter.stamp = priv->stamp;
|
||
if (priv->sort_column_id != -1)
|
||
{
|
||
GtkTreeDataSortHeader *header;
|
||
header = _gtk_tree_data_list_get_header (priv->sort_list,
|
||
priv->sort_column_id);
|
||
g_return_if_fail (header != NULL);
|
||
g_return_if_fail (header->func != NULL);
|
||
func = header->func;
|
||
data = header->data;
|
||
}
|
||
else
|
||
{
|
||
g_return_if_fail (priv->default_sort_func != NULL);
|
||
func = priv->default_sort_func;
|
||
data = priv->default_sort_data;
|
||
}
|
||
|
||
/* If it's the built in function, we don't sort. */
|
||
if (func == _gtk_tree_data_list_compare_func &&
|
||
priv->sort_column_id != column)
|
||
return;
|
||
|
||
old_location = 0;
|
||
node = G_NODE (iter->user_data)->parent->children;
|
||
/* First we find the iter, its prev, and its next */
|
||
while (node)
|
||
{
|
||
if (node == G_NODE (iter->user_data))
|
||
break;
|
||
old_location++;
|
||
node = node->next;
|
||
}
|
||
g_assert (node != NULL);
|
||
|
||
prev = node->prev;
|
||
next = node->next;
|
||
|
||
/* Check the common case, where we don't need to sort it moved. */
|
||
if (prev != NULL)
|
||
{
|
||
tmp_iter.user_data = prev;
|
||
cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
|
||
}
|
||
|
||
if (next != NULL)
|
||
{
|
||
tmp_iter.user_data = next;
|
||
cmp_b = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
|
||
}
|
||
|
||
if (priv->order == GTK_SORT_DESCENDING)
|
||
{
|
||
if (cmp_a < 0)
|
||
cmp_a = 1;
|
||
else if (cmp_a > 0)
|
||
cmp_a = -1;
|
||
|
||
if (cmp_b < 0)
|
||
cmp_b = 1;
|
||
else if (cmp_b > 0)
|
||
cmp_b = -1;
|
||
}
|
||
|
||
if (prev == NULL && cmp_b <= 0)
|
||
return;
|
||
else if (next == NULL && cmp_a <= 0)
|
||
return;
|
||
else if (prev != NULL && next != NULL &&
|
||
cmp_a <= 0 && cmp_b <= 0)
|
||
return;
|
||
|
||
/* We actually need to sort it */
|
||
/* First, remove the old link. */
|
||
|
||
if (prev)
|
||
prev->next = next;
|
||
else
|
||
node->parent->children = next;
|
||
|
||
if (next)
|
||
next->prev = prev;
|
||
|
||
node->prev = NULL;
|
||
node->next = NULL;
|
||
|
||
/* FIXME: as an optimization, we can potentially start at next */
|
||
prev = NULL;
|
||
node = node->parent->children;
|
||
new_location = 0;
|
||
tmp_iter.user_data = node;
|
||
if (priv->order == GTK_SORT_DESCENDING)
|
||
cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
|
||
else
|
||
cmp_a = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
|
||
|
||
while ((node->next) && (cmp_a > 0))
|
||
{
|
||
prev = node;
|
||
node = node->next;
|
||
new_location++;
|
||
tmp_iter.user_data = node;
|
||
if (priv->order == GTK_SORT_DESCENDING)
|
||
cmp_a = (* func) (GTK_TREE_MODEL (tree_store), &tmp_iter, iter, data);
|
||
else
|
||
cmp_a = (* func) (GTK_TREE_MODEL (tree_store), iter, &tmp_iter, data);
|
||
}
|
||
|
||
if ((!node->next) && (cmp_a > 0))
|
||
{
|
||
new_location++;
|
||
node->next = G_NODE (iter->user_data);
|
||
node->next->prev = node;
|
||
}
|
||
else if (prev)
|
||
{
|
||
prev->next = G_NODE (iter->user_data);
|
||
prev->next->prev = prev;
|
||
G_NODE (iter->user_data)->next = node;
|
||
G_NODE (iter->user_data)->next->prev = G_NODE (iter->user_data);
|
||
}
|
||
else
|
||
{
|
||
G_NODE (iter->user_data)->next = G_NODE (iter->user_data)->parent->children;
|
||
G_NODE (iter->user_data)->next->prev = G_NODE (iter->user_data);
|
||
G_NODE (iter->user_data)->parent->children = G_NODE (iter->user_data);
|
||
}
|
||
|
||
if (!emit_signal)
|
||
return;
|
||
|
||
/* Emit the reordered signal. */
|
||
length = g_node_n_children (node->parent);
|
||
new_order = g_new (int, length);
|
||
if (old_location < new_location)
|
||
for (i = 0; i < length; i++)
|
||
{
|
||
if (i < old_location ||
|
||
i > new_location)
|
||
new_order[i] = i;
|
||
else if (i >= old_location &&
|
||
i < new_location)
|
||
new_order[i] = i + 1;
|
||
else if (i == new_location)
|
||
new_order[i] = old_location;
|
||
}
|
||
else
|
||
for (i = 0; i < length; i++)
|
||
{
|
||
if (i < new_location ||
|
||
i > old_location)
|
||
new_order[i] = i;
|
||
else if (i > new_location &&
|
||
i <= old_location)
|
||
new_order[i] = i - 1;
|
||
else if (i == new_location)
|
||
new_order[i] = old_location;
|
||
}
|
||
|
||
tmp_iter.user_data = node->parent;
|
||
tmp_path = gtk_tree_store_get_path (GTK_TREE_MODEL (tree_store), &tmp_iter);
|
||
|
||
gtk_tree_model_rows_reordered (GTK_TREE_MODEL (tree_store),
|
||
tmp_path, &tmp_iter,
|
||
new_order);
|
||
|
||
gtk_tree_path_free (tmp_path);
|
||
g_free (new_order);
|
||
}
|
||
|
||
|
||
static gboolean
|
||
gtk_tree_store_get_sort_column_id (GtkTreeSortable *sortable,
|
||
int *sort_column_id,
|
||
GtkSortType *order)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
if (sort_column_id)
|
||
* sort_column_id = priv->sort_column_id;
|
||
if (order)
|
||
* order = priv->order;
|
||
|
||
if (priv->sort_column_id == GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID ||
|
||
priv->sort_column_id == GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID)
|
||
return FALSE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_set_sort_column_id (GtkTreeSortable *sortable,
|
||
int sort_column_id,
|
||
GtkSortType order)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
if ((priv->sort_column_id == sort_column_id) &&
|
||
(priv->order == order))
|
||
return;
|
||
|
||
if (sort_column_id != GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID)
|
||
{
|
||
if (sort_column_id != GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID)
|
||
{
|
||
GtkTreeDataSortHeader *header = NULL;
|
||
|
||
header = _gtk_tree_data_list_get_header (priv->sort_list,
|
||
sort_column_id);
|
||
|
||
/* We want to make sure that we have a function */
|
||
g_return_if_fail (header != NULL);
|
||
g_return_if_fail (header->func != NULL);
|
||
}
|
||
else
|
||
{
|
||
g_return_if_fail (priv->default_sort_func != NULL);
|
||
}
|
||
}
|
||
|
||
priv->sort_column_id = sort_column_id;
|
||
priv->order = order;
|
||
|
||
gtk_tree_sortable_sort_column_changed (sortable);
|
||
|
||
gtk_tree_store_sort (tree_store);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_set_sort_func (GtkTreeSortable *sortable,
|
||
int sort_column_id,
|
||
GtkTreeIterCompareFunc func,
|
||
gpointer data,
|
||
GDestroyNotify destroy)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
priv->sort_list = _gtk_tree_data_list_set_header (priv->sort_list,
|
||
sort_column_id,
|
||
func, data, destroy);
|
||
|
||
if (priv->sort_column_id == sort_column_id)
|
||
gtk_tree_store_sort (tree_store);
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_set_default_sort_func (GtkTreeSortable *sortable,
|
||
GtkTreeIterCompareFunc func,
|
||
gpointer data,
|
||
GDestroyNotify destroy)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
|
||
GtkTreeStorePrivate *priv = tree_store->priv;
|
||
|
||
if (priv->default_sort_destroy)
|
||
{
|
||
GDestroyNotify d = priv->default_sort_destroy;
|
||
|
||
priv->default_sort_destroy = NULL;
|
||
d (priv->default_sort_data);
|
||
}
|
||
|
||
priv->default_sort_func = func;
|
||
priv->default_sort_data = data;
|
||
priv->default_sort_destroy = destroy;
|
||
|
||
if (priv->sort_column_id == GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID)
|
||
gtk_tree_store_sort (tree_store);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_tree_store_has_default_sort_func (GtkTreeSortable *sortable)
|
||
{
|
||
GtkTreeStore *tree_store = (GtkTreeStore *) sortable;
|
||
|
||
return (tree_store->priv->default_sort_func != NULL);
|
||
}
|
||
|
||
#ifdef G_ENABLE_DEBUG
|
||
static void
|
||
validate_gnode (GNode* node)
|
||
{
|
||
GNode *iter;
|
||
|
||
iter = node->children;
|
||
while (iter != NULL)
|
||
{
|
||
g_assert (iter->parent == node);
|
||
if (iter->prev)
|
||
g_assert (iter->prev->next == iter);
|
||
validate_gnode (iter);
|
||
iter = iter->next;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/* GtkBuildable custom tag implementation
|
||
*
|
||
* <columns>
|
||
* <column type="..."/>
|
||
* <column type="..."/>
|
||
* </columns>
|
||
*/
|
||
typedef struct {
|
||
GtkBuilder *builder;
|
||
GObject *object;
|
||
GSList *items;
|
||
} GSListSubParserData;
|
||
|
||
static void
|
||
tree_model_start_element (GtkBuildableParseContext *context,
|
||
const char *element_name,
|
||
const char **names,
|
||
const char **values,
|
||
gpointer user_data,
|
||
GError **error)
|
||
{
|
||
GSListSubParserData *data = (GSListSubParserData*)user_data;
|
||
|
||
if (strcmp (element_name, "columns") == 0)
|
||
{
|
||
if (!_gtk_builder_check_parent (data->builder, context, "object", error))
|
||
return;
|
||
|
||
if (!g_markup_collect_attributes (element_name, names, values, error,
|
||
G_MARKUP_COLLECT_INVALID, NULL, NULL,
|
||
G_MARKUP_COLLECT_INVALID))
|
||
_gtk_builder_prefix_error (data->builder, context, error);
|
||
|
||
}
|
||
else if (strcmp (element_name, "column") == 0)
|
||
{
|
||
const char *type;
|
||
|
||
if (!_gtk_builder_check_parent (data->builder, context, "columns", error))
|
||
return;
|
||
|
||
if (!g_markup_collect_attributes (element_name, names, values, error,
|
||
G_MARKUP_COLLECT_STRING, "type", &type,
|
||
G_MARKUP_COLLECT_INVALID))
|
||
{
|
||
_gtk_builder_prefix_error (data->builder, context, error);
|
||
return;
|
||
}
|
||
|
||
data->items = g_slist_prepend (data->items, g_strdup (type));
|
||
}
|
||
else
|
||
{
|
||
_gtk_builder_error_unhandled_tag (data->builder, context,
|
||
"GtkTreeStore", element_name,
|
||
error);
|
||
}
|
||
}
|
||
|
||
static void
|
||
tree_model_end_element (GtkBuildableParseContext *context,
|
||
const char *element_name,
|
||
gpointer user_data,
|
||
GError **error)
|
||
{
|
||
GSListSubParserData *data = (GSListSubParserData*)user_data;
|
||
|
||
g_assert(data->builder);
|
||
|
||
if (strcmp (element_name, "columns") == 0)
|
||
{
|
||
GSList *l;
|
||
GType *types;
|
||
int i;
|
||
GType type;
|
||
|
||
data = (GSListSubParserData*)user_data;
|
||
data->items = g_slist_reverse (data->items);
|
||
types = g_new0 (GType, g_slist_length (data->items));
|
||
|
||
for (l = data->items, i = 0; l; l = l->next, i++)
|
||
{
|
||
type = gtk_builder_get_type_from_name (data->builder, l->data);
|
||
if (type == G_TYPE_INVALID)
|
||
{
|
||
g_warning ("Unknown type %s specified in treemodel %s",
|
||
(const char *)l->data,
|
||
gtk_buildable_get_buildable_id (GTK_BUILDABLE (data->object)));
|
||
continue;
|
||
}
|
||
types[i] = type;
|
||
|
||
g_free (l->data);
|
||
}
|
||
|
||
gtk_tree_store_set_column_types (GTK_TREE_STORE (data->object), i, types);
|
||
|
||
g_free (types);
|
||
}
|
||
}
|
||
|
||
static const GtkBuildableParser tree_model_parser =
|
||
{
|
||
tree_model_start_element,
|
||
tree_model_end_element
|
||
};
|
||
|
||
|
||
static gboolean
|
||
gtk_tree_store_buildable_custom_tag_start (GtkBuildable *buildable,
|
||
GtkBuilder *builder,
|
||
GObject *child,
|
||
const char *tagname,
|
||
GtkBuildableParser *parser,
|
||
gpointer *parser_data)
|
||
{
|
||
GSListSubParserData *data;
|
||
|
||
if (child)
|
||
return FALSE;
|
||
|
||
if (strcmp (tagname, "columns") == 0)
|
||
{
|
||
data = g_slice_new0 (GSListSubParserData);
|
||
data->builder = builder;
|
||
data->items = NULL;
|
||
data->object = G_OBJECT (buildable);
|
||
|
||
*parser = tree_model_parser;
|
||
*parser_data = data;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_tree_store_buildable_custom_finished (GtkBuildable *buildable,
|
||
GtkBuilder *builder,
|
||
GObject *child,
|
||
const char *tagname,
|
||
gpointer user_data)
|
||
{
|
||
GSListSubParserData *data;
|
||
|
||
if (strcmp (tagname, "columns"))
|
||
return;
|
||
|
||
data = (GSListSubParserData*)user_data;
|
||
|
||
g_slist_free (data->items);
|
||
g_slice_free (GSListSubParserData, data);
|
||
}
|