108 lines
3.3 KiB
C#
108 lines
3.3 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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using TMPro;
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namespace HeavenStudio.Editor
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{
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public class Tooltip : MonoBehaviour
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{
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private RectTransform rectTransform;
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[SerializeField] private RectTransform canvasRect;
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[SerializeField] private RectTransform background;
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[SerializeField] private TMP_Text text;
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[SerializeField] private CanvasGroup group;
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public static Tooltip instance { get; private set; }
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private void Awake()
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{
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instance = this;
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rectTransform = GetComponent<RectTransform>();
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group.alpha = 0;
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}
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private void Update()
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{
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Vector2 anchoredPosition = Input.mousePosition;
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if (anchoredPosition.x + background.rect.width > canvasRect.rect.width)
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{
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anchoredPosition.x = canvasRect.rect.width - background.rect.width;
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}
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if (anchoredPosition.x < 0)
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{
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anchoredPosition.x = 0;
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}
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if (anchoredPosition.y + background.rect.height > canvasRect.rect.height)
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{
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anchoredPosition.y = canvasRect.rect.height - background.rect.height;
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}
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if (anchoredPosition.y < 0)
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{
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anchoredPosition.y = 0;
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}
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rectTransform.anchoredPosition = anchoredPosition;
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}
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public static void OnEnter(string tooltipText, string altTooltipText)
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{
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instance.OnEnterPrivate(tooltipText, altTooltipText);
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}
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public static void OnExit()
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{
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instance.OnExitPrivate();
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Editor.instance.tooltipText.text = "";
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Editor.instance.tooltipText.ForceMeshUpdate();
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}
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private void OnEnterPrivate(string tooltipText, string altTooltipText)
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{
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group.alpha = 1;
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SetText(tooltipText);
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Editor.instance.tooltipText.text = altTooltipText.Replace("\n","");
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Editor.instance.tooltipText.ForceMeshUpdate();
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}
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private void OnExitPrivate()
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{
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group.alpha = 0;
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}
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private void SetText(string tooltipText)
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{
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text.text = tooltipText;
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text.ForceMeshUpdate();
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Vector2 textSize = text.GetRenderedValues(false);
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Vector2 paddingSize = new Vector2(8, 8);
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background.sizeDelta = textSize + paddingSize;
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}
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public static void AddTooltip(GameObject g, string tooltipText, string altTooltipText = "")
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{
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if (altTooltipText == "")
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altTooltipText = tooltipText;
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EventTrigger et = g.AddComponent<EventTrigger>();
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EventTrigger.Entry pointerEnter = new EventTrigger.Entry();
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pointerEnter.eventID = EventTriggerType.PointerEnter;
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pointerEnter.callback.AddListener((data) => { OnEnter(tooltipText, altTooltipText); });
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EventTrigger.Entry pointerExit = new EventTrigger.Entry();
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pointerExit.eventID = EventTriggerType.PointerExit;
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pointerExit.callback.AddListener((data) => { OnExit(); });
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et.triggers.Add(pointerEnter);
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et.triggers.Add(pointerExit);
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}
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}
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} |