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EventTarget.h
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1 /* Project nGenEx
2  Destroyer Studios LLC
3  Copyright © 1997-2004. All Rights Reserved.
4 
5  SUBSYSTEM: nGenEx.lib
6  FILE: EventTarget.h
7  AUTHOR: John DiCamillo
8 
9 
10  OVERVIEW
11  ========
12  Event Target interface class
13 */
14 
15 #ifndef EventTarget_h
16 #define EventTarget_h
17 
18 #include "Types.h"
19 #include "Geometry.h"
20 
21 // +--------------------------------------------------------------------+
22 
23 class EventTarget
24 {
25 public:
26  static const char* TYPENAME() { return "EventTarget"; }
27 
28  virtual ~EventTarget() { }
29 
30  int operator == (const EventTarget& t) const { return this == &t; }
31 
32  virtual int OnMouseMove(int x, int y) { return 0; }
33  virtual int OnLButtonDown(int x, int y) { return 0; }
34  virtual int OnLButtonUp(int x, int y) { return 0; }
35  virtual int OnClick() { return 0; }
36  virtual int OnSelect() { return 0; }
37  virtual int OnRButtonDown(int x, int y) { return 0; }
38  virtual int OnRButtonUp(int x, int y) { return 0; }
39  virtual int OnMouseEnter(int x, int y) { return 0; }
40  virtual int OnMouseExit(int x, int y) { return 0; }
41  virtual int OnMouseWheel(int wheel) { return 0; }
42 
43  virtual int OnKeyDown(int vk, int flags) { return 0; }
44 
45  virtual void SetFocus() { }
46  virtual void KillFocus() { }
47  virtual bool HasFocus() const { return false; }
48 
49  virtual bool IsEnabled() const { return true; }
50  virtual bool IsVisible() const { return true; }
51  virtual bool IsFormActive() const { return true; }
52 
53  virtual Rect TargetRect() const { return Rect(); }
54 
55  virtual const char* GetDescription() const { return "EventTarget"; }
56 };
57 
58 #endif EventTarget_h
59