Panda3D
pgItemNotify.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file pgItemNotify.h
10  * @author drose
11  * @date 2005-08-18
12  */
13 
14 #ifndef PGITEMNOTIFY_H
15 #define PGITEMNOTIFY_H
16 
17 #include "pandabase.h"
18 #include "pset.h"
19 
20 class PGItem;
22 
23 /**
24  * Objects that inherit from this class can receive specialized messages when
25  * PGItems change in certain ways.
26  */
27 class EXPCL_PANDA_PGUI PGItemNotify {
28 public:
29  INLINE PGItemNotify();
30  virtual ~PGItemNotify();
31 
32 protected:
33  virtual void item_transform_changed(PGItem *item);
34  virtual void item_frame_changed(PGItem *item);
35  virtual void item_draw_mask_changed(PGItem *item);
36 
37  virtual void item_enter(PGItem *item, const MouseWatcherParameter &param);
38  virtual void item_exit(PGItem *item, const MouseWatcherParameter &param);
39  virtual void item_within(PGItem *item, const MouseWatcherParameter &param);
40  virtual void item_without(PGItem *item, const MouseWatcherParameter &param);
41  virtual void item_focus_in(PGItem *item);
42  virtual void item_focus_out(PGItem *item);
43  virtual void item_press(PGItem *item, const MouseWatcherParameter &param);
44  virtual void item_release(PGItem *item, const MouseWatcherParameter &param);
45  virtual void item_keystroke(PGItem *item, const MouseWatcherParameter &param);
46  virtual void item_candidate(PGItem *item, const MouseWatcherParameter &param);
47  virtual void item_move(PGItem *item, const MouseWatcherParameter &param);
48 
49 protected:
50  void add_item(PGItem *item);
51  void remove_item(PGItem *item);
52 
53 private:
54  typedef pset<PGItem *> Items;
55  Items _items;
56 
57  friend class PGItem;
58 };
59 
60 #include "pgItemNotify.I"
61 
62 #endif
This is sent along as a parameter to most events generated for a region to indicate the mouse and but...
Objects that inherit from this class can receive specialized messages when PGItems change in certain ...
Definition: pgItemNotify.h:27
This is the base class for all the various kinds of gui widget objects.
Definition: pgItem.h:53
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.