Add ButtonTooltipWithDescHighlightLogic.

Highlights TooltipDesc characters inside {}.
2017-06-04 12:04:58 +00:00
parent 8f2a933ba8
commit 854dd75282
2 changed files with 126 additions and 0 deletions
--- a/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipWithDescHighlightLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipWithDescHighlightLogic.cs
@@ -0,0 +1,123 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
+ * 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 System.Collections.Generic;
+using System.Drawing;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Widgets.Logic
+{
+	public class ButtonTooltipWithDescHighlightLogic : ChromeLogic
+	{
+		[ObjectCreator.UseCtor]
+		public ButtonTooltipWithDescHighlightLogic(Widget widget, ButtonWidget button, Dictionary<string, MiniYaml> logicArgs)
+		{
+			var label = widget.Get<LabelWidget>("LABEL");
+			var font = Game.Renderer.Fonts[label.Font];
+			var text = button.GetTooltipText();
+			var labelWidth = font.Measure(text).X;
+
+			label.GetText = () => text;
+			label.Bounds.Width = labelWidth;
+			widget.Bounds.Width = 2 * label.Bounds.X + labelWidth;
+
+			if (button.Key.IsValid())
+			{
+				var hotkey = widget.Get<LabelWidget>("HOTKEY");
+				hotkey.Visible = true;
+
+				var hotkeyLabel = "({0})".F(button.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");
+				var highlightColor = FieldLoader.GetValue<Color>("Highlight", logicArgs["Highlight"].Value);
+				widget.RemoveChild(descTemplate);
+
+				var descFont = Game.Renderer.Fonts[descTemplate.Font];
+				var descWidth = 0;
+				var descOffset = descTemplate.Bounds.Y;
+
+				foreach (var l in desc.Split(new[] { "\\n" }, StringSplitOptions.None))
+				{
+					var line = l;
+					var lineWidth = 0;
+					var xOffset = descTemplate.Bounds.X;
+
+					while (line.Length > 0)
+					{
+						var highlightStart = line.IndexOf('{');
+						var highlightEnd = line.IndexOf('}', 0);
+
+						if (highlightStart > 0 && highlightEnd > highlightStart)
+						{
+							if (highlightStart > 0)
+							{
+								// Normal line segment before highlight
+								var lineNormal = line.Substring(0, highlightStart);
+								var lineNormalWidth = descFont.Measure(lineNormal).X;
+								var lineNormalLabel = (LabelWidget)descTemplate.Clone();
+								lineNormalLabel.GetText = () => lineNormal;
+								lineNormalLabel.Bounds.X = descTemplate.Bounds.X + lineWidth;
+								lineNormalLabel.Bounds.Y = descOffset;
+								lineNormalLabel.Bounds.Width = lineNormalWidth;
+								widget.AddChild(lineNormalLabel);
+
+								lineWidth += lineNormalWidth;
+							}
+
+							// Highlight line segment
+							var lineHighlight = line.Substring(highlightStart + 1, highlightEnd - highlightStart - 1);
+							var lineHighlightWidth = descFont.Measure(lineHighlight).X;
+							var lineHighlightLabel = (LabelWidget)descTemplate.Clone();
+							lineHighlightLabel.GetText = () => lineHighlight;
+							lineHighlightLabel.GetColor = () => highlightColor;
+							lineHighlightLabel.Bounds.X = descTemplate.Bounds.X + lineWidth;
+							lineHighlightLabel.Bounds.Y = descOffset;
+							lineHighlightLabel.Bounds.Width = lineHighlightWidth;
+							widget.AddChild(lineHighlightLabel);
+
+							lineWidth += lineHighlightWidth;
+							line = line.Substring(highlightEnd + 1);
+						}
+						else
+						{
+							// Final normal line segment
+							var lineLabel = (LabelWidget)descTemplate.Clone();
+							var width = descFont.Measure(line).X;
+							lineLabel.GetText = () => line;
+							lineLabel.Bounds.X = descTemplate.Bounds.X + lineWidth;
+							lineLabel.Bounds.Y = descOffset;
+							widget.AddChild(lineLabel);
+
+							lineWidth += width;
+							break;
+						}
+					}
+
+					descWidth = Math.Max(descWidth, lineWidth);
+
+					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;
+			}
+		}
+	}
+}