forked from AuroraMiddleware/gtk
155 lines
7.4 KiB
C
155 lines
7.4 KiB
C
/* gtktreemodelfilter.h
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* Copyright (C) 2000,2001 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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* Copyright (C) 2001-2003 Kristian Rietveld <kris@gtk.org>
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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_FILTER_H__
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#define __GTK_TREE_MODEL_FILTER_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 <gtk/gtktreemodel.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_TREE_MODEL_FILTER (gtk_tree_model_filter_get_type ())
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#define GTK_TREE_MODEL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilter))
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#define GTK_TREE_MODEL_FILTER_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilterClass))
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#define GTK_IS_TREE_MODEL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL_FILTER))
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#define GTK_IS_TREE_MODEL_FILTER_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), GTK_TYPE_TREE_MODEL_FILTER))
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#define GTK_TREE_MODEL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TREE_MODEL_FILTER, GtkTreeModelFilterClass))
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/**
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* GtkTreeModelFilterVisibleFunc:
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* @model: the child model of the `GtkTreeModelFilter`
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* @iter: a `GtkTreeIter` pointing to the row in @model whose visibility
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* is determined
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* @data: (closure): user data given to gtk_tree_model_filter_set_visible_func()
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*
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* A function which decides whether the row indicated by @iter is visible.
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*
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* Returns: Whether the row indicated by @iter is visible.
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*/
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typedef gboolean (* GtkTreeModelFilterVisibleFunc) (GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data);
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/**
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* GtkTreeModelFilterModifyFunc:
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* @model: the `GtkTreeModelFilter`
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* @iter: a `GtkTreeIter` pointing to the row whose display values are determined
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* @value: (out caller-allocates): A `GValue` which is already initialized for
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* with the correct type for the column @column.
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* @column: the column whose display value is determined
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* @data: (closure): user data given to gtk_tree_model_filter_set_modify_func()
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*
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* A function which calculates display values from raw values in the model.
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* It must fill @value with the display value for the column @column in the
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* row indicated by @iter.
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*
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* Since this function is called for each data access, it’s not a
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* particularly efficient operation.
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*/
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typedef void (* GtkTreeModelFilterModifyFunc) (GtkTreeModel *model,
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GtkTreeIter *iter,
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GValue *value,
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int column,
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gpointer data);
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typedef struct _GtkTreeModelFilter GtkTreeModelFilter;
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typedef struct _GtkTreeModelFilterClass GtkTreeModelFilterClass;
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typedef struct _GtkTreeModelFilterPrivate GtkTreeModelFilterPrivate;
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struct _GtkTreeModelFilter
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{
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GObject parent;
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/*< private >*/
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GtkTreeModelFilterPrivate *priv;
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};
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struct _GtkTreeModelFilterClass
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{
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GObjectClass parent_class;
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gboolean (* visible) (GtkTreeModelFilter *self,
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GtkTreeModel *child_model,
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GtkTreeIter *iter);
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void (* modify) (GtkTreeModelFilter *self,
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GtkTreeModel *child_model,
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GtkTreeIter *iter,
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GValue *value,
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int column);
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/*< private >*/
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gpointer padding[8];
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};
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/* base */
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GDK_AVAILABLE_IN_ALL
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GType gtk_tree_model_filter_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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GtkTreeModel *gtk_tree_model_filter_new (GtkTreeModel *child_model,
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GtkTreePath *root);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_set_visible_func (GtkTreeModelFilter *filter,
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GtkTreeModelFilterVisibleFunc func,
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gpointer data,
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GDestroyNotify destroy);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_set_modify_func (GtkTreeModelFilter *filter,
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int n_columns,
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GType *types,
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GtkTreeModelFilterModifyFunc func,
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gpointer data,
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GDestroyNotify destroy);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_set_visible_column (GtkTreeModelFilter *filter,
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int column);
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GDK_AVAILABLE_IN_ALL
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GtkTreeModel *gtk_tree_model_filter_get_model (GtkTreeModelFilter *filter);
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/* conversion */
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_tree_model_filter_convert_child_iter_to_iter (GtkTreeModelFilter *filter,
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GtkTreeIter *filter_iter,
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GtkTreeIter *child_iter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_convert_iter_to_child_iter (GtkTreeModelFilter *filter,
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GtkTreeIter *child_iter,
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GtkTreeIter *filter_iter);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_model_filter_convert_child_path_to_path (GtkTreeModelFilter *filter,
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GtkTreePath *child_path);
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GDK_AVAILABLE_IN_ALL
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GtkTreePath *gtk_tree_model_filter_convert_path_to_child_path (GtkTreeModelFilter *filter,
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GtkTreePath *filter_path);
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/* extras */
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_refilter (GtkTreeModelFilter *filter);
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GDK_AVAILABLE_IN_ALL
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void gtk_tree_model_filter_clear_cache (GtkTreeModelFilter *filter);
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G_END_DECLS
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#endif /* __GTK_TREE_MODEL_FILTER_H__ */
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