Angel 3.2
A 2D Game Prototyping Engine
UserInterface.h
1 
2 // Copyright (C) 2008-2013, Shane Liesegang
3 // All rights reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are met:
7 //
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9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 // notice, this list of conditions and the following disclaimer in the
12 // documentation and/or other materials provided with the distribution.
13 // * Neither the name of the copyright holder nor the names of any
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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29 
30 #pragma once
31 
32 #if ANGEL_MOBILE
33  #include "../Input/MultiTouch.h"
34 #else
35  #include "../Input/MouseInput.h"
36 #endif
37 
38 #include "../Util/StringUtil.h"
39 
40 class GwenRenderer;
41 
42 //singleton shortcut
43 #define theUI UserInterface::GetInstance()
44 
45 typedef void* AngelUIHandle;
46 
47 
48 #if ANGEL_MOBILE
49  class UserInterface : public TouchListener
50 #else
52 #endif
53 {
54 public:
61  static UserInterface& GetInstance();
62 
66  void Render();
67 
68  #if ANGEL_MOBILE
69  virtual void TouchMotionEvent(Touch* movedTouch);
70  virtual void TouchEndEvent(Touch* endedTouch);
71  virtual void TouchStartEvent(Touch* startedTouch);
72  #else
73  // Mouse listener implementation functions
74  virtual void MouseMotionEvent(Vec2i screenCoordinates);
75  virtual void MouseDownEvent(Vec2i screenCoordinates, MouseButtonInput button);
76  virtual void MouseUpEvent(Vec2i screenCoordinates, MouseButtonInput button);
77  virtual void MouseWheelEvent(const Vector2& position);
78 
82  void HandleKey(int key, bool down);
83 
87  void HandleCharacter(wchar_t chr);
88  #endif // ANGEL_MOBILE
89 
93  void Shutdown();
94 
110  AngelUIHandle AddButton(const String& label, Vec2i position, void (*callback)(), bool center = false, const String& font="", Vec2i padding=Vec2i(10, 10));
111 
131  AngelUIHandle ShowChoiceBox(const String& choiceLabel, const StringList& labels, void (*callback)(int), const String& font="", Vec2i padding=Vec2i(10, 10), bool modal=true);
132 
140  void RemoveUIElement(AngelUIHandle element);
141 
142 
143 protected:
144  UserInterface();
145  ~UserInterface();
146 
147  static UserInterface* s_UserInterface;
148 
149 private:
150  GwenRenderer* _renderer;
151 
152  Vec2i _mousePosition;
153 
154  std::set<AngelUIHandle> _elements;
155  std::vector<AngelUIHandle> _deferredRemoves;
156 
157  bool _locked;
158 };