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Add fallback settings for control

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ExMatics HydrogenC
2023-12-19 12:36:12 +08:00
parent ac090d690e
commit 4497b2ca7d
2 changed files with 56 additions and 10 deletions
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39
Source/Engine/UI/GUI/Common/TextBox.cs
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@@ -1,6 +1,8 @@
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
using System.ComponentModel;
namespace FlaxEngine.GUI
{
/// <summary>
@@ -65,6 +67,12 @@ namespace FlaxEngine.GUI
[EditorDisplay("Text Style"), EditorOrder(2022), Tooltip("The color of the selection (Transparent if not used).")]
public Color SelectionColor { get; set; }
/// <summary>
/// Gets or sets whether to fallback when the primary font cannot render a char.
/// </summary>
[EditorOrder(120), DefaultValue(true), Tooltip("Whether to fallback when the font cannot render a char.")]
public bool EnableFontFallback { get; set; } = true;
/// <summary>
/// Initializes a new instance of the <see cref="TextBox"/> class.
/// </summary>
@@ -104,7 +112,8 @@ namespace FlaxEngine.GUI
return Float2.Zero;
}
return font.MeasureText(_text, ref _layout);
return EnableFontFallback ? font.MeasureText(_text, ref _layout) :
font.MeasureTextInternal(_text, ref _layout);
}
/// <inheritdoc />
@@ -117,8 +126,9 @@ namespace FlaxEngine.GUI
return Float2.Zero;
}
height = font.GetMaxHeight() / DpiScale;
return font.GetCharPosition(_text, index, ref _layout);
height = (EnableFontFallback ? font.GetMaxHeight() : font.Height) / DpiScale;
return EnableFontFallback ? font.GetCharPosition(_text, index, ref _layout) :
font.GetCharPositionInternal(_text, index, ref _layout);
}
/// <inheritdoc />
@@ -130,7 +140,8 @@ namespace FlaxEngine.GUI
return 0;
}
return font.HitTestText(_text, location, ref _layout);
return EnableFontFallback ? font.HitTestText(_text, location, ref _layout) :
font.HitTestTextInternal(_text, location, ref _layout);
}
/// <inheritdoc />
@@ -169,8 +180,12 @@ namespace FlaxEngine.GUI
// Check if sth is selected to draw selection
if (HasSelection)
{
var leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
var rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
var leftEdge = EnableFontFallback ?
font.GetCharPosition(_text, SelectionLeft, ref _layout) :
font.GetCharPositionInternal(_text, SelectionLeft, ref _layout);
var rightEdge = EnableFontFallback ?
font.GetCharPosition(_text, SelectionRight, ref _layout) :
font.GetCharPositionInternal(_text, SelectionRight, ref _layout);
float fontHeight = font.GetMaxHeight() / DpiScale;
// Draw selection background
@@ -211,11 +226,19 @@ namespace FlaxEngine.GUI
var color = TextColor;
if (!enabled)
color *= 0.6f;
Render2D.DrawText(font, _text, color, ref _layout, TextMaterial);
if (EnableFontFallback)
Render2D.DrawText(font, _text, color, ref _layout, TextMaterial);
else
// Draw without fallback
Render2D.DrawTextInternal(font, _text, color, ref _layout, TextMaterial);
}
else if (!string.IsNullOrEmpty(_watermarkText) && !IsFocused)
{
Render2D.DrawText(font, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
if (EnableFontFallback)
Render2D.DrawText(font, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
else
// Draw without fallback
Render2D.DrawTextInternal(font, _watermarkText, WatermarkTextColor, ref _layout, TextMaterial);
}
// Caret