summaryrefslogtreecommitdiff
path: root/libs/gtkmm2/gtk/gtkmm/treemodelsort.h
blob: fd56c18d29ecc408c724e3eb5226b277b97748d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
// -*- c++ -*-
// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _GTKMM_TREEMODELSORT_H
#define _GTKMM_TREEMODELSORT_H

#include <glibmm.h>

/* $Id$ */

/* Copyright(C) 1998-2002 The gtkmm Development Team
 *
 * 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, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include <gtkmm/treeiter.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treesortable.h>
// We couldn't include it in treemodel.h, but doing it here makes it easier for people.
#include <gtkmm/treepath.h>


#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef struct _GtkTreeModelSort GtkTreeModelSort;
typedef struct _GtkTreeModelSortClass GtkTreeModelSortClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */


namespace Gtk
{ class TreeModelSort_Class; } // namespace Gtk
namespace Gtk
{

/** A wrapper which makes an underlying Gtk::TreeModel sortable.
 * @ingroup TreeView
 */

class TreeModelSort : public Glib::Object, public TreeModel, public TreeSortable
{
  
#ifndef DOXYGEN_SHOULD_SKIP_THIS

public:
  typedef TreeModelSort CppObjectType;
  typedef TreeModelSort_Class CppClassType;
  typedef GtkTreeModelSort BaseObjectType;
  typedef GtkTreeModelSortClass BaseClassType;

private:  friend class TreeModelSort_Class;
  static CppClassType treemodelsort_class_;

private:
  // noncopyable
  TreeModelSort(const TreeModelSort&);
  TreeModelSort& operator=(const TreeModelSort&);

protected:
  explicit TreeModelSort(const Glib::ConstructParams& construct_params);
  explicit TreeModelSort(GtkTreeModelSort* castitem);

#endif /* DOXYGEN_SHOULD_SKIP_THIS */

public:
  virtual ~TreeModelSort();

#ifndef DOXYGEN_SHOULD_SKIP_THIS
  static GType get_type()      G_GNUC_CONST;
  static GType get_base_type() G_GNUC_CONST;
#endif

  ///Provides access to the underlying C GObject.
  GtkTreeModelSort*       gobj()       { return reinterpret_cast<GtkTreeModelSort*>(gobject_); }

  ///Provides access to the underlying C GObject.
  const GtkTreeModelSort* gobj() const { return reinterpret_cast<GtkTreeModelSort*>(gobject_); }

  ///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
  GtkTreeModelSort* gobj_copy();

private:

  
protected:
  explicit TreeModelSort(const Glib::RefPtr<TreeModel>& model);

public:
  
  static Glib::RefPtr<TreeModelSort> create(const Glib::RefPtr<TreeModel>& model);


  /** Returns the model the Gtk::TreeModelSort is sorting.
   * @return The "child model" being sorted.
   */
  Glib::RefPtr<TreeModel> get_model();
  
  /** Returns the model the Gtk::TreeModelSort is sorting.
   * @return The "child model" being sorted.
   */
  Glib::RefPtr<const TreeModel> get_model() const;

  
  /** Converts @a child_path  to a path relative to @a tree_model_sort .  That is,
   *  @a child_path  points to a path in the child model.  The returned path will
   * point to the same row in the sorted model.  If @a child_path  isn't a valid path
   * on the child model, then <tt>0</tt> is returned.
   * @param child_path A Gtk::TreePath to convert.
   * @return A newly allocated Gtk::TreePath, or <tt>0</tt>.
   */
  Path convert_child_path_to_path(const Path& child_path) const;

  /** Gets an iterator that points to the sorted row that corresponds to the child row pointed at by child_iter.
   *
   * @param child_iter A valid iterator pointing to a row on the child model.
   * @result A valid iterator that points to the row in this sorted model.
   */
  iterator convert_child_iter_to_iter(const iterator& child_iter) const;

  
  /** Converts @a sorted_path  to a path on the child model of @a tree_model_sort .  That
   * is, @a sorted_path  points to a location in @a tree_model_sort .  The returned path
   * will point to the same location in the model not being sorted.  If @a sorted_path  
   * does not point to a location in the child model, <tt>0</tt> is returned.
   * @param sorted_path A Gtk::TreePath to convert.
   * @return A newly allocated Gtk::TreePath, or <tt>0</tt>.
   */
  Path convert_path_to_child_path(const Path& sorted_path) const;

  /** Gets an iterator that points to the child row that corresponds to the sorted row pointed at by sorted_iter.
   *
   * @param sorted_iter A valid iterator pointing to a row on the sorted model.
   * @result A valid iterator that points to the row in the child model.
   */
  iterator convert_iter_to_child_iter(const iterator& sorted_iter) const;

  
  /** This resets the default sort function to be in the 'unsorted' state.  That
   * is, it is in the same order as the child model. It will re-sort the model
   * to be in the same order as the child model only if the Gtk::TreeModelSort
   * is in 'unsorted' state.
   */
  void reset_default_sort_func();
  
  /** This function should almost never be called.  It clears the @a tree_model_sort 
   * of any cached iterators that haven't been reffed with
   * ref_node().  This might be useful if the child model being
   * sorted is static (and doesn't change often) and there has been a lot of
   * unreffed access to nodes.  As a side effect of this function, all unreffed
   * iters will be invalid.
   */
  void clear_cache();

  
  /** WARNING: This function is slow. Only use it for debugging and/or testing
   * purposes.
   * 
   * Checks if the given iter is a valid iter for this Gtk::TreeModelSort.
   * @param iter A Gtk::TreeIter.
   * @return <tt>true</tt> if the iter is valid, <tt>false</tt> if the iter is invalid.
   * 
   * Since: 2.2.
   */
  bool iter_is_valid(const iterator& iter) const;

protected:
  virtual void set_value_impl(const iterator& row, int column, const Glib::ValueBase& value);


public:

public:
  //C++ methods used to invoke GTK+ virtual functions:

protected:
  //GTK+ Virtual Functions (override these to change behaviour):

  //Default Signal Handlers::


};

} // namespace Gtk


namespace Glib
{
  /** @relates Gtk::TreeModelSort
   * @param object The C instance
   * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
   * @result A C++ instance that wraps this C instance.
   */
  Glib::RefPtr<Gtk::TreeModelSort> wrap(GtkTreeModelSort* object, bool take_copy = false);
}


#endif /* _GTKMM_TREEMODELSORT_H */