97 lines
2.3 KiB
C#
97 lines
2.3 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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/// <summary>
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/// 我的自定义Button，继承 Button
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/// </summary>
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public class LongPressButton : Button
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{
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// 构造函数
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protected LongPressButton()
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{
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my_onLongPress = new ButtonClickedEvent();
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my_onLongPress_Up = new ButtonClickedEvent();
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}
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// 长按
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public ButtonClickedEvent my_onLongPress;
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// 长按抬起
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public ButtonClickedEvent my_onLongPress_Up;
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public ButtonClickedEvent OnLongPress
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{
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get { return my_onLongPress; }
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set { my_onLongPress = value; }
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}
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public ButtonClickedEvent OnLongPress_Up
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{
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get { return my_onLongPress_Up; }
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set { my_onLongPress_Up = value; }
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}
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// 长按需要的变量参数
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private bool my_isStartPress = false;
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private float my_curPointDownTime = 0f;
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private float my_longPressTime = 0f;
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private bool my_longPressTrigger = false;
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void Update()
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{
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CheckIsLongPress();
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}
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#region 长按
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/// <summary>
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/// 处理长按
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/// </summary>
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void CheckIsLongPress()
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{
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if (my_isStartPress && !my_longPressTrigger)
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{
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if (Time.time > my_curPointDownTime + my_longPressTime)
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{
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my_longPressTrigger = true;
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my_isStartPress = false;
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if (my_onLongPress != null)
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{
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my_onLongPress.Invoke();
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}
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}
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}
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}
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public override void OnPointerDown(PointerEventData eventData)
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{
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// 按下刷新當前時間
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base.OnPointerDown(eventData);
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my_curPointDownTime = Time.time;
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my_isStartPress = true;
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my_longPressTrigger = false;
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}
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public override void OnPointerUp(PointerEventData eventData)
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{
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// 指針擡起，結束開始長按
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base.OnPointerUp(eventData);
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my_isStartPress = false;
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if (my_longPressTrigger)
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{
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if (my_onLongPress_Up != null)
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{
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my_onLongPress_Up.Invoke();
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}
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my_longPressTrigger = !my_longPressTrigger;
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}
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}
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public override void OnPointerExit(PointerEventData eventData)
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{
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// 指針移出，結束開始長按，計時長按標志
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base.OnPointerExit(eventData);
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my_isStartPress = false;
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}
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#endregion
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} |