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/* gtktreemodelfilter.h
* Copyright (C) 2000,2001 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
* Copyright (C) 2001-2003 Kristian Rietveld <kris@gtk.org>
*
* 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_FILTER_H__
#define __GTK_TREE_MODEL_FILTER_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtktreemodel.h>
G_BEGIN_DECLS
#define GTK_TYPE_TREE_MODEL_FILTER (gtk_tree_model_filter_get_type ())
#define GTK_TREE_MODEL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilter))
#define GTK_TREE_MODEL_FILTER_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilterClass))
#define GTK_IS_TREE_MODEL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL_FILTER))
#define GTK_IS_TREE_MODEL_FILTER_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), GTK_TYPE_TREE_MODEL_FILTER))
#define GTK_TREE_MODEL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilterClass))
/**
* GtkTreeModelFilterVisibleFunc:
* @model: the child model of the #GtkTreeModelFilter
* @iter: a #GtkTreeIter pointing to the row in @model whose visibility
* is determined
* @data: (closure): user data given to gtk_tree_model_filter_set_visible_func()
*
* A function which decides whether the row indicated by @iter is visible.
*
* Returns: Whether the row indicated by @iter is visible.
*/
typedef gboolean (* GtkTreeModelFilterVisibleFunc) (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data);
/**
* GtkTreeModelFilterModifyFunc:
* @model: the #GtkTreeModelFilter
* @iter: a #GtkTreeIter pointing to the row whose display values are determined
* @value: (out caller-allocates): A #GValue which is already initialized for
* with the correct type for the column @column.
* @column: the column whose display value is determined
* @data: (closure): user data given to gtk_tree_model_filter_set_modify_func()
*
* A function which calculates display values from raw values in the model.
* It must fill @value with the display value for the column @column in the
* row indicated by @iter.
*
* Since this function is called for each data access, it’s not a
* particularly efficient operation.
*/
typedef void (* GtkTreeModelFilterModifyFunc) (GtkTreeModel *model,
GtkTreeIter *iter,
GValue *value,
gint column,
gpointer data);
typedef struct _GtkTreeModelFilter GtkTreeModelFilter;
typedef struct _GtkTreeModelFilterClass GtkTreeModelFilterClass;
typedef struct _GtkTreeModelFilterPrivate GtkTreeModelFilterPrivate;
struct _GtkTreeModelFilter
{
GObject parent;
/*< private >*/
GtkTreeModelFilterPrivate *priv;
};
struct _GtkTreeModelFilterClass
{
GObjectClass parent_class;
gboolean (* visible) (GtkTreeModelFilter *self,
GtkTreeModel *child_model,
GtkTreeIter *iter);
void (* modify) (GtkTreeModelFilter *self,
GtkTreeModel *child_model,
GtkTreeIter *iter,
GValue *value,
gint column);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
/* base */
GDK_AVAILABLE_IN_ALL
GType gtk_tree_model_filter_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkTreeModel *gtk_tree_model_filter_new (GtkTreeModel *child_model,
GtkTreePath *root);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_set_visible_func (GtkTreeModelFilter *filter,
GtkTreeModelFilterVisibleFunc func,
gpointer data,
GDestroyNotify destroy);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_set_modify_func (GtkTreeModelFilter *filter,
gint n_columns,
GType *types,
GtkTreeModelFilterModifyFunc func,
gpointer data,
GDestroyNotify destroy);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_set_visible_column (GtkTreeModelFilter *filter,
gint column);
GDK_AVAILABLE_IN_ALL
GtkTreeModel *gtk_tree_model_filter_get_model (GtkTreeModelFilter *filter);
/* conversion */
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_model_filter_convert_child_iter_to_iter (GtkTreeModelFilter *filter,
GtkTreeIter *filter_iter,
GtkTreeIter *child_iter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_convert_iter_to_child_iter (GtkTreeModelFilter *filter,
GtkTreeIter *child_iter,
GtkTreeIter *filter_iter);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_model_filter_convert_child_path_to_path (GtkTreeModelFilter *filter,
GtkTreePath *child_path);
GDK_AVAILABLE_IN_ALL
GtkTreePath *gtk_tree_model_filter_convert_path_to_child_path (GtkTreeModelFilter *filter,
GtkTreePath *filter_path);
/* extras */
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_refilter (GtkTreeModelFilter *filter);
GDK_AVAILABLE_IN_ALL
void gtk_tree_model_filter_clear_cache (GtkTreeModelFilter *filter);
G_END_DECLS
#endif /* __GTK_TREE_MODEL_FILTER_H__ */
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