forked from AuroraMiddleware/gtk
409 lines
15 KiB
C
409 lines
15 KiB
C
/* gtktreemodel.h
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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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#ifndef __GTK_TREE_MODEL_H__
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#define __GTK_TREE_MODEL_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <glib-object.h>
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#include <gdk/gdk.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_TREE_MODEL (gtk_tree_model_get_type ())
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#define GTK_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModel))
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#define GTK_IS_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL))
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#define GTK_TREE_MODEL_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModelIface))
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#define GTK_TYPE_TREE_ITER (gtk_tree_iter_get_type ())
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#define GTK_TYPE_TREE_PATH (gtk_tree_path_get_type ())
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#define GTK_TYPE_TREE_ROW_REFERENCE (gtk_tree_row_reference_get_type ())
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typedef struct _GtkTreeIter GtkTreeIter;
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typedef struct _GtkTreePath GtkTreePath;
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typedef struct _GtkTreeRowReference GtkTreeRowReference;
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typedef struct _GtkTreeModel GtkTreeModel; /* Dummy typedef */
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typedef struct _GtkTreeModelIface GtkTreeModelIface;
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/**
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* GtkTreeModelForeachFunc:
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* @model: the #GtkTreeModel being iterated
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* @path: the current #GtkTreePath
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* @iter: the current #GtkTreeIter
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* @data: (closure): The user data passed to gtk_tree_model_foreach()
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*
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* Type of the callback passed to gtk_tree_model_foreach() to
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* iterate over the rows in a tree model.
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*
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* Returns: %TRUE to stop iterating, %FALSE to continue
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*
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*/
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typedef gboolean (* GtkTreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
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/**
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* GtkTreeModelFlags:
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* @GTK_TREE_MODEL_ITERS_PERSIST: iterators survive all signals
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* emitted by the tree
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* @GTK_TREE_MODEL_LIST_ONLY: the model is a list only, and never
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* has children
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*
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* These flags indicate various properties of a #GtkTreeModel.
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*
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* They are returned by gtk_tree_model_get_flags(), and must be
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* static for the lifetime of the object. A more complete description
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* of #GTK_TREE_MODEL_ITERS_PERSIST can be found in the overview of
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* this section.
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*/
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typedef enum
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{
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GTK_TREE_MODEL_ITERS_PERSIST = 1 << 0,
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GTK_TREE_MODEL_LIST_ONLY = 1 << 1
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} GtkTreeModelFlags;
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/**
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* GtkTreeIter:
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* @stamp: a unique stamp to catch invalid iterators
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* @user_data: model-specific data
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* @user_data2: model-specific data
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* @user_data3: model-specific data
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*
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* The #GtkTreeIter is the primary structure
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* for accessing a #GtkTreeModel. Models are expected to put a unique
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* integer in the @stamp member, and put
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* model-specific data in the three @user_data
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* members.
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*/
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struct _GtkTreeIter
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{
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int stamp;
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gpointer user_data;
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gpointer user_data2;
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gpointer user_data3;
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};
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/**
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* GtkTreeModelIface:
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* @row_changed: Signal emitted when a row in the model has changed.
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* @row_inserted: Signal emitted when a new row has been inserted in
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* the model.
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* @row_has_child_toggled: Signal emitted when a row has gotten the
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* first child row or lost its last child row.
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* @row_deleted: Signal emitted when a row has been deleted.
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* @rows_reordered: Signal emitted when the children of a node in the
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* GtkTreeModel have been reordered.
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* @get_flags: Get #GtkTreeModelFlags supported by this interface.
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* @get_n_columns: Get the number of columns supported by the model.
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* @get_column_type: Get the type of the column.
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* @get_iter: Sets iter to a valid iterator pointing to path.
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* @get_path: Gets a newly-created #GtkTreePath referenced by iter.
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* @get_value: Initializes and sets value to that at column.
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* @iter_next: Sets iter to point to the node following it at the
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* current level.
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* @iter_previous: Sets iter to point to the previous node at the
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* current level.
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* @iter_children: Sets iter to point to the first child of parent.
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* @iter_has_child: %TRUE if iter has children, %FALSE otherwise.
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* @iter_n_children: Gets the number of children that iter has.
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* @iter_nth_child: Sets iter to be the child of parent, using the
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* given index.
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* @iter_parent: Sets iter to be the parent of child.
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* @ref_node: Lets the tree ref the node.
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* @unref_node: Lets the tree unref the node.
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*/
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struct _GtkTreeModelIface
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{
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/*< private >*/
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GTypeInterface g_iface;
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/*< public >*/
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/* Signals */
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void (* row_changed) (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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void (* row_inserted) (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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void (* row_has_child_toggled) (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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void (* row_deleted) (GtkTreeModel *tree_model,
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GtkTreePath *path);
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void (* rows_reordered) (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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int *new_order);
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/* Virtual Table */
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GtkTreeModelFlags (* get_flags) (GtkTreeModel *tree_model);
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int (* get_n_columns) (GtkTreeModel *tree_model);
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GType (* get_column_type) (GtkTreeModel *tree_model,
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int index_);
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gboolean (* get_iter) (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreePath *path);
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GtkTreePath *(* get_path) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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void (* 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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gboolean (* iter_next) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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gboolean (* iter_previous) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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gboolean (* iter_children) (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent);
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gboolean (* iter_has_child) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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int (* iter_n_children) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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gboolean (* 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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gboolean (* iter_parent) (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *child);
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void (* ref_node) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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void (* unref_node) (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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};
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/* GtkTreePath operations */
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_new (void);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_new_from_string (const char *path);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_new_from_indices (int first_index,
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...);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_new_from_indicesv (int *indices,
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gsize length);
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GDK_AVAILABLE_IN_ALL
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char *gtk_tree_path_to_string (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_new_first (void);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_path_append_index (GtkTreePath *path,
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int index_);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_path_prepend_index (GtkTreePath *path,
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int index_);
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GDK_AVAILABLE_IN_ALL
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int gtk_tree_path_get_depth (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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int *gtk_tree_path_get_indices (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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int *gtk_tree_path_get_indices_with_depth (GtkTreePath *path,
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int *depth);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_path_free (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_path_copy (const GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_path_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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int gtk_tree_path_compare (const GtkTreePath *a,
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const GtkTreePath *b);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_path_next (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_path_prev (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_path_up (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_path_down (GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_path_is_ancestor (GtkTreePath *path,
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GtkTreePath *descendant);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_path_is_descendant (GtkTreePath *path,
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GtkTreePath *ancestor);
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/**
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* GtkTreeRowReference:
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*
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* A GtkTreeRowReference tracks model changes so that it always refers to the
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* same row (a #GtkTreePath refers to a position, not a fixed row). Create a
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* new GtkTreeRowReference with gtk_tree_row_reference_new().
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*/
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_row_reference_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GtkTreeRowReference *gtk_tree_row_reference_new (GtkTreeModel *model,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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GtkTreeRowReference *gtk_tree_row_reference_new_proxy (GObject *proxy,
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GtkTreeModel *model,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_row_reference_get_path (GtkTreeRowReference *reference);
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GDK_AVAILABLE_IN_ALL
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GtkTreeModel *gtk_tree_row_reference_get_model (GtkTreeRowReference *reference);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_row_reference_valid (GtkTreeRowReference *reference);
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GDK_AVAILABLE_IN_ALL
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GtkTreeRowReference *gtk_tree_row_reference_copy (GtkTreeRowReference *reference);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_row_reference_free (GtkTreeRowReference *reference);
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/* These two functions are only needed if you created the row reference with a
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* proxy object */
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_row_reference_inserted (GObject *proxy,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_row_reference_deleted (GObject *proxy,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_row_reference_reordered (GObject *proxy,
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GtkTreePath *path,
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GtkTreeIter *iter,
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int *new_order);
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/* GtkTreeIter operations */
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GDK_AVAILABLE_IN_ALL
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GtkTreeIter * gtk_tree_iter_copy (GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_iter_free (GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_iter_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_model_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GtkTreeModelFlags gtk_tree_model_get_flags (GtkTreeModel *tree_model);
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GDK_AVAILABLE_IN_ALL
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int gtk_tree_model_get_n_columns (GtkTreeModel *tree_model);
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_model_get_column_type (GtkTreeModel *tree_model,
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int index_);
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/* Iterator movement */
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_get_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_get_iter_from_string (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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const char *path_string);
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GDK_AVAILABLE_IN_ALL
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char * gtk_tree_model_get_string_from_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_get_iter_first (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath * gtk_tree_model_get_path (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_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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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_iter_previous (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_iter_next (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_iter_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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int gtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_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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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_iter_parent (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *child);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_ref_node (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_unref_node (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_get (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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...);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_get_valist (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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va_list var_args);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_foreach (GtkTreeModel *model,
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GtkTreeModelForeachFunc func,
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gpointer user_data);
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/* Signals */
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_row_changed (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_row_inserted (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_row_has_child_toggled (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_row_deleted (GtkTreeModel *tree_model,
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GtkTreePath *path);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_rows_reordered (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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int *new_order);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_rows_reordered_with_length (GtkTreeModel *tree_model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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int *new_order,
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int length);
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G_END_DECLS
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#endif /* __GTK_TREE_MODEL_H__ */
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