/* gtktreemodel.h
* Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_TREE_MODEL_H__
#define __GTK_TREE_MODEL_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <glib-object.h>
#include <gdk/gdk.h>
G_BEGIN_DECLS
#define GTK_TYPE_TREE_MODEL (gtk_tree_model_get_type ())
#define GTK_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModel))
#define GTK_IS_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL))
#define GTK_TREE_MODEL_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModelIface))
#define GTK_TYPE_TREE_ITER (gtk_tree_iter_get_type ())
#define GTK_TYPE_TREE_PATH (gtk_tree_path_get_type ())
#define GTK_TYPE_TREE_ROW_REFERENCE (gtk_tree_row_reference_get_type ())
typedef struct _GtkTreeIter GtkTreeIter;
typedef struct _GtkTreePath GtkTreePath;
typedef struct _GtkTreeRowReference GtkTreeRowReference;
typedef struct _GtkTreeModel GtkTreeModel; /* Dummy typedef */
typedef struct _GtkTreeModelIface GtkTreeModelIface;
/**
* GtkTreeModelForeachFunc:
* @model: the #GtkTreeModel being iterated
* @path: the current #GtkTreePath
* @iter: the current #GtkTreeIter
* @data: (closure): The user data passed to gtk_tree_model_foreach()
*
* Type of the callback passed to gtk_tree_model_foreach() to
* iterate over the rows in a tree model.
*
* Returns: %TRUE to stop iterating, %FALSE to continue
*
*/
typedef gboolean (* GtkTreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
/**
* GtkTreeModelFlags:
* @GTK_TREE_MODEL_ITERS_PERSIST: iterators survive all signals
* emitted by the tree
* @GTK_TREE_MODEL_LIST_ONLY: the model is a list only, and never
* has children
*
* These flags indicate various properties of a #GtkTreeModel.
*
* They are returned by gtk_tree_model_get_flags(), and must be
* static for the lifetime of the object. A more complete description
* of #GTK_TREE_MODEL_ITERS_PERSIST can be found in the overview of
* this section.
*/
typedef enum
{
GTK_TREE_MODEL_ITERS_PERSIST = 1 << 0,
GTK_TREE_MODEL_LIST_ONLY = 1 << 1
} GtkTreeModelFlags;
/**
* GtkTreeIter:
* @stamp: a unique stamp to catch invalid iterators
* @user_data: model-specific data
* @user_data2: model-specific data
* @user_data3: model-specific data
*
* The #GtkTreeIter is the primary structure
* for accessing a #GtkTreeModel. Models are expected to put a unique
* integer in the @stamp member, and put
* model-specific data in the three @user_data
* members.
*/
struct _GtkTreeIter
{
gint stamp;
gpointer user_data;
gpointer user_data2;
gpointer user_data3;
};
/**
* GtkTreeModelIface:
* @row_changed: Signal emitted when a row in the model has changed.
* @row_inserted: Signal emitted when a new row has been inserted in
* the model.
* @row_has_child_toggled: Signal emitted when a row has gotten the
* first child row or lost its last child row.
* @row_deleted: Signal emitted when a row has been deleted.
* @rows_reordered: Signal emitted when the children of a node in the
* GtkTreeModel have been reordered.
* @get_flags: Get #GtkTreeModelFlags supported by this interface.
* @get_n_columns: Get the number of columns supported by the model.
* @get_column_type: Get the type of the column.
* @get_iter: Sets iter to a valid iterator pointing to path.
* @get_path: Gets a newly-created #GtkTreePath referenced by iter.
* @get_value: Initializes and sets value to that at column.
* @iter_next: Sets iter to point to the node following it at the
* current level.
* @iter_previous: Sets iter to point to the previous node at the
* current level.
* @iter_children: Sets iter to point to the first child of parent.
* @iter_has_child: %TRUE if iter has children, %FALSE otherwise.
* @iter_n_children: Gets the number of children that iter has.
* @iter_nth_child: Sets iter to be the child of parent, using the
* given index.
* @iter_parent: Sets iter to be the parent of child.
* @ref_node: Lets the tree ref the node.
* @unref_node: Lets the tree unref the node.
*/
struct _GtkTreeModelIface
{
/*< private >*/
GTypeInterface g_iface;
/*< public >*/
/* Signals */
void (* row_changed) (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
void (* row_inserted) (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
void (* row_has_child_toggled) (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
void (* row_deleted) (GtkTreeModel *tree_model,
GtkTreePath *path);
void (* rows_reordered) (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter,
gint *new_order);
/* Virtual Table */
GtkTreeModelFlags (* get_flags) (GtkTreeModel *tree_model);
gint (* get_n_columns) (GtkTreeModel *tree_model);
GType (* get_column_type) (GtkTreeModel *tree_model,
gint index_);
gboolean (* get_iter) (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreePath *path);
GtkTreePath *(* get_path) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
void (* get_value) (GtkTreeModel *tree_model,
GtkTreeIter *iter,
gint column,
GValue *value);
gboolean (* iter_next) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
gboolean (* iter_previous) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
gboolean (* iter_children) (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent);
gboolean (* iter_has_child) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
gint (* iter_n_children) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
gboolean (* iter_nth_child) (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n);
gboolean (* iter_parent) (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *child);
void (* ref_node) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
void (* unref_node) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
};
/* GtkTreePath operations */
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_path_new (void);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_path_new_from_string (const gchar *path);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_path_new_from_indices (gint first_index,
...);
GDK_AVAILABLE_IN_3_12
GtkTreePath *gtk_tree_path_new_from_indicesv (gint *indices,
gsize length);
GDK_AVAILABLE_IN_ALL
gchar *gtk_tree_path_to_string (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_path_new_first (void);
GDK_AVAILABLE_IN_ALL
void gtk_tree_path_append_index (GtkTreePath *path,
gint index_);
GDK_AVAILABLE_IN_ALL
void gtk_tree_path_prepend_index (GtkTreePath *path,
gint index_);
GDK_AVAILABLE_IN_ALL
gint gtk_tree_path_get_depth (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gint *gtk_tree_path_get_indices (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gint *gtk_tree_path_get_indices_with_depth (GtkTreePath *path,
gint *depth);
GDK_AVAILABLE_IN_ALL
void gtk_tree_path_free (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_path_copy (const GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
GType gtk_tree_path_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
gint gtk_tree_path_compare (const GtkTreePath *a,
const GtkTreePath *b);
GDK_AVAILABLE_IN_ALL
void gtk_tree_path_next (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_path_prev (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_path_up (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
void gtk_tree_path_down (GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_path_is_ancestor (GtkTreePath *path,
GtkTreePath *descendant);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_path_is_descendant (GtkTreePath *path,
GtkTreePath *ancestor);
/**
* GtkTreeRowReference:
*
* A GtkTreeRowReference tracks model changes so that it always refers to the
* same row (a #GtkTreePath refers to a position, not a fixed row). Create a
* new GtkTreeRowReference with gtk_tree_row_reference_new().
*/
GDK_AVAILABLE_IN_ALL
GType gtk_tree_row_reference_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkTreeRowReference *gtk_tree_row_reference_new (GtkTreeModel *model,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
GtkTreeRowReference *gtk_tree_row_reference_new_proxy (GObject *proxy,
GtkTreeModel *model,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_row_reference_get_path (GtkTreeRowReference *reference);
GDK_AVAILABLE_IN_ALL
GtkTreeModel *gtk_tree_row_reference_get_model (GtkTreeRowReference *reference);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_row_reference_valid (GtkTreeRowReference *reference);
GDK_AVAILABLE_IN_ALL
GtkTreeRowReference *gtk_tree_row_reference_copy (GtkTreeRowReference *reference);
GDK_AVAILABLE_IN_ALL
void gtk_tree_row_reference_free (GtkTreeRowReference *reference);
/* These two functions are only needed if you created the row reference with a
* proxy object */
GDK_AVAILABLE_IN_ALL
void gtk_tree_row_reference_inserted (GObject *proxy,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
void gtk_tree_row_reference_deleted (GObject *proxy,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
void gtk_tree_row_reference_reordered (GObject *proxy,
GtkTreePath *path,
GtkTreeIter *iter,
gint *new_order);
/* GtkTreeIter operations */
GDK_AVAILABLE_IN_ALL
GtkTreeIter * gtk_tree_iter_copy (GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_iter_free (GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
GType gtk_tree_iter_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GType gtk_tree_model_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkTreeModelFlags gtk_tree_model_get_flags (GtkTreeModel *tree_model);
GDK_AVAILABLE_IN_ALL
gint gtk_tree_model_get_n_columns (GtkTreeModel *tree_model);
GDK_AVAILABLE_IN_ALL
GType gtk_tree_model_get_column_type (GtkTreeModel *tree_model,
gint index_);
/* Iterator movement */
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_get_iter (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_get_iter_from_string (GtkTreeModel *tree_model,
GtkTreeIter *iter,
const gchar *path_string);
GDK_AVAILABLE_IN_ALL
gchar * gtk_tree_model_get_string_from_iter (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_get_iter_first (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
GtkTreePath * gtk_tree_model_get_path (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_get_value (GtkTreeModel *tree_model,
GtkTreeIter *iter,
gint column,
GValue *value);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_previous (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_children (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
gint gtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_iter_parent (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *child);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_ref_node (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_unref_node (GtkTreeModel *tree_model,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_get (GtkTreeModel *tree_model,
GtkTreeIter *iter,
...);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_get_valist (GtkTreeModel *tree_model,
GtkTreeIter *iter,
va_list var_args);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_foreach (GtkTreeModel *model,
GtkTreeModelForeachFunc func,
gpointer user_data);
/* Signals */
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_row_changed (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_row_inserted (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_row_has_child_toggled (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_row_deleted (GtkTreeModel *tree_model,
GtkTreePath *path);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_rows_reordered (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter,
gint *new_order);
GDK_AVAILABLE_IN_3_10
void gtk_tree_model_rows_reordered_with_length (GtkTreeModel *tree_model,
GtkTreePath *path,
GtkTreeIter *iter,
gint *new_order,
gint length);
G_END_DECLS
#endif /* __GTK_TREE_MODEL_H__ */