Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipLogic.cs

@@ -0,0 +1,68 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class ButtonTooltipLogic : ChromeLogic
+	{
+		[ObjectCreator.UseCtor]
+		public ButtonTooltipLogic(Widget widget, ButtonWidget button)
+		{
+			var label = widget.Get<LabelWidget>("LABEL");
+			var font = Game.Renderer.Fonts[label.Font];
+			var text = button.GetTooltipText();
+			var labelWidth = font.Measure(text).X;
+			var key = button.Key.GetValue();
+
+			label.GetText = () => text;
+			label.Bounds.Width = labelWidth;
+			widget.Bounds.Width = 2 * label.Bounds.X + labelWidth;
+
+			if (key.IsValid())
+			{
+				var hotkey = widget.Get<LabelWidget>("HOTKEY");
+				hotkey.Visible = true;
+
+				var hotkeyLabel = $"({key.DisplayString()})";
+				hotkey.GetText = () => hotkeyLabel;
+				hotkey.Bounds.X = labelWidth + 2 * label.Bounds.X;
+
+				widget.Bounds.Width = hotkey.Bounds.X + label.Bounds.X + font.Measure(hotkeyLabel).X;
+			}
+
+			var desc = button.GetTooltipDesc();
+			if (!string.IsNullOrEmpty(desc))
+			{
+				var descTemplate = widget.Get<LabelWidget>("DESC");
+				widget.RemoveChild(descTemplate);
+
+				var descFont = Game.Renderer.Fonts[descTemplate.Font];
+				var descWidth = 0;
+				var descOffset = descTemplate.Bounds.Y;
+				foreach (var line in desc.Split('\n', StringSplitOptions.None))
+				{
+					descWidth = Math.Max(descWidth, descFont.Measure(line).X);
+					var lineLabel = descTemplate.Clone();
+					lineLabel.GetText = () => line;
+					lineLabel.Bounds.Y = descOffset;
+					widget.AddChild(lineLabel);
+					descOffset += descTemplate.Bounds.Height;
+				}
+
+				widget.Bounds.Width = Math.Max(widget.Bounds.Width, descTemplate.Bounds.X * 2 + descWidth);
+				widget.Bounds.Height += descOffset - descTemplate.Bounds.Y + descTemplate.Bounds.X;
+			}
+		}
+	}
+}