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81 lines
3.0 KiB
C#
81 lines
3.0 KiB
C#
3 months ago
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// Animancer // Copyright 2020 Kybernetik //
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#if UNITY_EDITOR
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using UnityEditor;
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using UnityEngine;
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namespace Animancer.Editor
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{
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/// <summary>[Editor-Only] A cached width calculation for GUI elements.</summary>
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public class GUIElementWidth
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{
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/************************************************************************************************************************/
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private GUIStyle _Style;
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private string _Text;
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private float _Width;
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/************************************************************************************************************************/
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/// <summary>Returns the width the `text` would take up if drawn with the `style`.</summary>
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public float GetWidth(GUIStyle style, string text)
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{
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if (_Style != style || _Text != text)
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{
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_Style = style;
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_Text = text;
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_Width = style.CalculateWidth(text);
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OnRecalculate(style, text);
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}
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return _Width;
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}
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/// <summary>Called when <see cref="GetWidth"/> is called with different parameters.</summary>
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protected virtual void OnRecalculate(GUIStyle style, string text) { }
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/************************************************************************************************************************/
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}
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/// <summary>[Editor-Only]
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/// A cached width calculation for GUI elements which accounts for boldness in prefab overrides.
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/// </summary>
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public sealed class GUIElementWidthBoldable : GUIElementWidth
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{
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/************************************************************************************************************************/
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private float _BoldWidth;
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/// <summary>Called when <see cref="GUIElementWidth.GetWidth"/> is called with different parameters.</summary>
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protected override void OnRecalculate(GUIStyle style, string text)
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{
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var fontStyle = style.fontStyle;
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style.fontStyle = FontStyle.Bold;
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_BoldWidth = style.CalculateWidth(text);
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style.fontStyle = fontStyle;
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}
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/************************************************************************************************************************/
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/// <summary>Returns the width the `text` would take up if drawn with the `style`.</summary>
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public float GetWidth(GUIStyle style, string text, bool bold)
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{
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var regularWidth = GetWidth(style, text);
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return bold ? _BoldWidth : regularWidth;
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}
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/// <summary>Returns the width the `text` would take up if drawn with the `style`.</summary>
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public float GetWidth(GUIStyle style, string text, SerializedProperty property)
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{
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return GetWidth(style, text, property != null && property.prefabOverride);
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}
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/************************************************************************************************************************/
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}
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}
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#endif
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