68 lines
1.6 KiB
C#
68 lines
1.6 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.InputSystem;
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using UnityEngine.UIElements;
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namespace BITKit.UX
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{
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public class UXToolTips : MonoBehaviour
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{
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[SerializeField]
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[ReadOnly]
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private string currentHoverName;
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private VisualElement root;
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private Label label;
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private void Start()
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{
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root = GetComponent<UIDocument>().rootVisualElement;
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label = root.Q<Label>();
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}
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private void Update()
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{
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var tooltip = CurrentToolTip(root.panel);
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if (tooltip != "")
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{
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var mouse = Mouse.current;
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if (mouse is null) return;
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var mousePos = mouse.position.ReadValue();
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mousePos.y = Screen.height - mousePos.y;
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var pos =RuntimePanelUtils.ScreenToPanel(label.panel,mousePos);
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pos.x += 24;
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if (pos.x + label.layout.width > label.panel.visualTree.layout.width)
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{
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//pos.x = label.panel.visualTree.layout.width - label.layout.width - label.layout.width;
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pos.x-=label.layout.width+48;
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}
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label.visible = true;
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label.text = tooltip;
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label.transform.position = pos;
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}
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else
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{
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label.visible = false;
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}
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}
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private string CurrentToolTip(IPanel panel)
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{
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// https://docs.unity3d.com/2022.2/Documentation/Manual/UIE-faq-event-and-input-system.html
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if (!EventSystem.current.IsPointerOverGameObject()) return "";
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var screenPosition = Mouse.current.position.ReadValue();
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screenPosition.y = Screen.height - screenPosition.y;
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VisualElement ve = panel.Pick(RuntimePanelUtils.ScreenToPanel(panel, screenPosition));
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currentHoverName = ve?.name;
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return ve == null ? "" : ve.tooltip;
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}
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}
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}
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