(NGUI)监听事件方法
1 using UnityEngine; 2 3 namespace UI 4 { 5 public class UIEventListener : MonoBehaviour 6 { 7 public int id; 8 9 public delegate void SubmitDelegate(); 10 public event SubmitDelegate onSubmit; 11 void OnSubmit() 12 { 13 if (onSubmit != null) 14 onSubmit(); 15 } 16 17 public delegate void ClickDelegate(); 18 public event ClickDelegate onClick; 19 public delegate void ClickDelegateEX(int id); 20 public event ClickDelegateEX onClickEX; 21 /// <summary> 22 /// 鼠标或触摸单击(按下并释放)时触发。 23 /// </summary> 24 void OnClick() 25 { 26 if (onClick != null) 27 onClick(); 28 29 if (onClickEX != null) 30 onClickEX(id); 31 } 32 33 public delegate void DoubleClickDelegate(); 34 public event DoubleClickDelegate onDoubleClick; 35 /// <summary> 36 /// 双击(双击时间间隔小于0.25秒)时触发。 37 /// </summary> 38 void OnDoubleClick() 39 { 40 if (onDoubleClick != null) 41 onDoubleClick(); 42 } 43 44 public delegate void HoverDelegates(bool isOver); 45 public event HoverDelegates onHover; 46 /// <summary> 47 /// 鼠标悬停或移出时触发。悬停时传入true,移出时传入false。 48 /// </summary> 49 /// <param name="isOver"></param> 50 void OnHover(bool isOver) 51 { 52 if (onHover != null) 53 onHover(isOver); 54 } 55 56 public delegate void PressDelegate(bool isPressed); 57 public event PressDelegate onPress; 58 /// <summary> 59 /// 鼠标或触摸按下或松开时触发,按下时传入true,松开时传入false。 60 /// </summary> 61 /// <param name="isPressed"></param> 62 void OnPress(bool isPressed) 63 { 64 if (onPress != null) 65 onPress(isPressed); 66 } 67 68 public delegate void SelectDelegate(bool selected); 69 public event SelectDelegate onSelect; 70 /// <summary> 71 /// 类似单击,区别在于选中一次之后再选中将不再触发OnSelect事件,除非期间选择了其他控件。 72 /// </summary> 73 /// <param name="selected"></param> 74 void OnSelect(bool selected) 75 { 76 if (onSelect != null) 77 onSelect(selected); 78 } 79 80 public delegate void ScrollDelegate(float delta); 81 public event ScrollDelegate onScroll; 82 /// <summary> 83 /// 鼠标中键滚动时触发,delta为传入的滚动增量。 84 /// </summary> 85 /// <param name="delta"></param> 86 void OnScroll(float delta) 87 { 88 if (onScroll != null) 89 onScroll(delta); 90 } 91 92 public delegate void VectorDelegate(Vector2 delta); 93 public event VectorDelegate onDrag; 94 /// <summary> 95 /// 鼠标或触摸按下并移动时触发。delta为传入的位移。 96 /// </summary> 97 /// <param name="delta"></param> 98 void OnDrag(Vector2 delta) 99 { 100 if (onDrag!=null) 101 { 102 onDrag(delta); 103 } 104 } 105 106 public delegate void InputDelegate(string text); 107 public event InputDelegate onInput; 108 /// <summary> 109 /// 只用于输入控件,每次输入完成后触发,text传入本次输入的信息,而非输入控件中的文本信息。 110 /// </summary> 111 /// <param name="text"></param> 112 void OnInput(string text) 113 { 114 if (onInput != null) 115 onInput(text); 116 } 117 118 119 public delegate void DropDelegate(GameObject go); 120 public event DropDelegate onDrop; 121 /// <summary> 122 /// 鼠标OnDrag后移入不同对象释放时触发.go是开始触发OnDrag的对象. 123 /// </summary> 124 /// <param name="go"></param> 125 void OnDrop(GameObject go) 126 { 127 if (onDrop != null) 128 onDrop(go); 129 } 130 131 public delegate void KeyCodeDelegate(KeyCode key); 132 public event KeyCodeDelegate onKey; 133 void OnKey(KeyCode key) 134 { 135 if (onKey != null) 136 onKey(key); 137 } 138 139 public delegate void TooltipDelegate(bool show); 140 public event TooltipDelegate onTooltip; 141 /// <summary> 142 /// 鼠标悬停一段时间或移开时触发,悬停时传入true,移开时传入false。 143 /// </summary> 144 /// <param name="show"></param> 145 void OnTooltip(bool show) 146 { 147 if (onTooltip!=null) 148 { 149 onTooltip(show); 150 } 151 } 152 153 static public UIEventListener Get(GameObject go) 154 { 155 UIEventListener listener = go.GetComponent<UIEventListener>(); 156 if (listener == null) listener = go.AddComponent<UIEventListener>(); 157 return listener; 158 } 159 } 160 }