00001 // Filename: pgItemNotify.h 00002 // Created by: drose (18Aug05) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef PGITEMNOTIFY_H 00016 #define PGITEMNOTIFY_H 00017 00018 #include "pandabase.h" 00019 #include "pset.h" 00020 00021 class PGItem; 00022 class MouseWatcherParameter; 00023 00024 //////////////////////////////////////////////////////////////////// 00025 // Class : PGItemNotify 00026 // Description : Objects that inherit from this class can receive 00027 // specialized messages when PGItems change in certain 00028 // ways. 00029 //////////////////////////////////////////////////////////////////// 00030 class EXPCL_PANDA_PGUI PGItemNotify { 00031 public: 00032 INLINE PGItemNotify(); 00033 virtual ~PGItemNotify(); 00034 00035 protected: 00036 virtual void item_transform_changed(PGItem *item); 00037 virtual void item_frame_changed(PGItem *item); 00038 virtual void item_draw_mask_changed(PGItem *item); 00039 00040 virtual void item_enter(PGItem *item, const MouseWatcherParameter ¶m); 00041 virtual void item_exit(PGItem *item, const MouseWatcherParameter ¶m); 00042 virtual void item_within(PGItem *item, const MouseWatcherParameter ¶m); 00043 virtual void item_without(PGItem *item, const MouseWatcherParameter ¶m); 00044 virtual void item_focus_in(PGItem *item); 00045 virtual void item_focus_out(PGItem *item); 00046 virtual void item_press(PGItem *item, const MouseWatcherParameter ¶m); 00047 virtual void item_release(PGItem *item, const MouseWatcherParameter ¶m); 00048 virtual void item_keystroke(PGItem *item, const MouseWatcherParameter ¶m); 00049 virtual void item_candidate(PGItem *item, const MouseWatcherParameter ¶m); 00050 virtual void item_move(PGItem *item, const MouseWatcherParameter ¶m); 00051 00052 protected: 00053 void add_item(PGItem *item); 00054 void remove_item(PGItem *item); 00055 00056 private: 00057 typedef pset<PGItem *> Items; 00058 Items _items; 00059 00060 friend class PGItem; 00061 }; 00062 00063 #include "pgItemNotify.I" 00064 00065 #endif