Learning_GTK4_tree/gtk/gtktreelistmodel.h

108 lines
4.9 KiB
C

/*
* Copyright © 2018 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#pragma once
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gio/gio.h>
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_TREE_LIST_MODEL (gtk_tree_list_model_get_type ())
#define GTK_TYPE_TREE_LIST_ROW (gtk_tree_list_row_get_type ())
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkTreeListModel, gtk_tree_list_model, GTK, TREE_LIST_MODEL, GObject)
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkTreeListRow, gtk_tree_list_row, GTK, TREE_LIST_ROW, GObject)
/**
* GtkTreeListModelCreateModelFunc:
* @item: (type GObject): The item that is being expanded
* @user_data: User data passed when registering the function
*
* Prototype of the function called to create new child models when
* gtk_tree_list_row_set_expanded() is called.
*
* This function can return %NULL to indicate that @item is guaranteed to be
* a leaf node and will never have children. If it does not have children but
* may get children later, it should return an empty model that is filled once
* children arrive.
*
* Returns: (nullable) (transfer full): The model tracking the children of
* @item or %NULL if @item can never have children
*/
typedef GListModel * (* GtkTreeListModelCreateModelFunc) (gpointer item, gpointer user_data);
GDK_AVAILABLE_IN_ALL
GtkTreeListModel * gtk_tree_list_model_new (GListModel *root,
gboolean passthrough,
gboolean autoexpand,
GtkTreeListModelCreateModelFunc create_func,
gpointer user_data,
GDestroyNotify user_destroy);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_tree_list_model_get_model (GtkTreeListModel *self);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_list_model_get_passthrough (GtkTreeListModel *self);
GDK_AVAILABLE_IN_ALL
void gtk_tree_list_model_set_autoexpand (GtkTreeListModel *self,
gboolean autoexpand);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_list_model_get_autoexpand (GtkTreeListModel *self);
GDK_AVAILABLE_IN_ALL
GtkTreeListRow * gtk_tree_list_model_get_child_row (GtkTreeListModel *self,
guint position);
GDK_AVAILABLE_IN_ALL
GtkTreeListRow * gtk_tree_list_model_get_row (GtkTreeListModel *self,
guint position);
GDK_AVAILABLE_IN_ALL
gpointer gtk_tree_list_row_get_item (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
void gtk_tree_list_row_set_expanded (GtkTreeListRow *self,
gboolean expanded);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_list_row_get_expanded (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
gboolean gtk_tree_list_row_is_expandable (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
guint gtk_tree_list_row_get_position (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
guint gtk_tree_list_row_get_depth (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_tree_list_row_get_children (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
GtkTreeListRow * gtk_tree_list_row_get_parent (GtkTreeListRow *self);
GDK_AVAILABLE_IN_ALL
GtkTreeListRow * gtk_tree_list_row_get_child_row (GtkTreeListRow *self,
guint position);
G_END_DECLS