62 lines
1.7 KiB
C#
62 lines
1.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2022 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Widgets.Logic
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{
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public class SimpleTooltipLogic : ChromeLogic
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{
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[ObjectCreator.UseCtor]
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public SimpleTooltipLogic(Widget widget, TooltipContainerWidget tooltipContainer, Func<string> getText)
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{
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var label = widget.Get<LabelWidget>("LABEL");
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var spacing = widget.Get("LINE_HEIGHT");
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widget.RemoveChildren();
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var font = Game.Renderer.Fonts[label.Font];
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var horizontalPadding = label.Bounds.Width - widget.Bounds.Width;
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if (horizontalPadding <= 0)
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horizontalPadding = 2 * label.Bounds.X;
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var cachedText = "";
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tooltipContainer.BeforeRender = () =>
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{
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var text = getText();
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if (text == cachedText)
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return;
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var lines = text.Split('\n');
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var textWidth = font.Measure(text).X;
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// Set up label widgets
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widget.RemoveChildren();
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var bottom = 0;
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for (var i = 0; i < lines.Length; i++)
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{
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var line = (LabelWidget)label.Clone();
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var lineText = lines[i];
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line.Bounds.Y += spacing.Bounds.Y + i * spacing.Bounds.Height;
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line.Bounds.Width = textWidth;
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line.GetText = () => lineText;
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widget.AddChild(line);
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bottom = line.Bounds.Y + line.Bounds.Height;
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}
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widget.Bounds.Width = horizontalPadding + textWidth;
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widget.Bounds.Height = bottom + spacing.Bounds.Y;
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cachedText = text;
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};
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}
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}
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}
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