Power/Silo bar tooltips.

OpenRA.Mods.Cnc/OpenRA.Mods.Cnc.csproj

@@ -100,6 +100,7 @@
     <Compile Include="Widgets\TooltipContainerWidget.cs" />
     <Compile Include="Widgets\TooltipButtonWidget.cs" />
     <Compile Include="Widgets\Logic\ButtonTooltipLogic.cs" />
+    <Compile Include="Widgets\Logic\SimpleTooltipLogic.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

OpenRA.Mods.Cnc/Widgets/Logic/SimpleTooltipLogic.cs

@@ -0,0 +1,40 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.Support;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Cnc.Widgets.Logic
+{
+	public class SimpleTooltipLogic
+	{
+		[ObjectCreator.UseCtor]
+		public SimpleTooltipLogic([ObjectCreator.Param] Widget widget,
+		                          [ObjectCreator.Param] Func<string> getText)
+		{
+			var label = widget.GetWidget<LabelWidget>("LABEL");
+			var cachedWidth = 0;
+			var font = Game.Renderer.Fonts[label.Font];
+			label.GetText = () =>
+			{
+				var text = getText();
+				var textWidth = font.Measure(text).X;
+				if (textWidth != cachedWidth)
+				{
+					label.Bounds.Width = textWidth;
+					widget.Bounds.Width = 2*label.Bounds.X + textWidth;
+				}
+				return text;
+			};
+		}
+	}
+}
+

OpenRA.Mods.Cnc/Widgets/PowerBarWidget.cs

@@ -10,6 +10,7 @@
 
 using System;
 using System.Drawing;
+using OpenRA.FileFormats;
 using OpenRA.Graphics;
 using OpenRA.Mods.RA.Buildings;
 using OpenRA.Widgets;
@@ -18,14 +19,34 @@ namespace OpenRA.Mods.Cnc.Widgets
 {
 	public class PowerBarWidget : Widget
 	{
+		public readonly string TooltipTemplate = "SIMPLE_TOOLTIP";
+		public readonly string TooltipContainer;
+		Lazy<TooltipContainerWidget> tooltipContainer;
+
 		float? lastProvidedFrac;
 		float? lastDrainedFrac;
-
 		readonly PowerManager pm;
+
 		[ObjectCreator.UseCtor]
 		public PowerBarWidget( [ObjectCreator.Param] World world )
 		{
 			pm = world.LocalPlayer.PlayerActor.Trait<PowerManager>();
+			tooltipContainer = new Lazy<TooltipContainerWidget>(() =>
+				Widget.RootWidget.GetWidget<TooltipContainerWidget>(TooltipContainer));
+		}
+
+		public override void MouseEntered()
+		{
+			if (TooltipContainer == null) return;
+			Func<string> getText = () => "Power Usage: {0}/{1}".F(pm.PowerDrained, pm.PowerProvided);
+			tooltipContainer.Value.SetTooltip(
+				Widget.LoadWidget(TooltipTemplate, null, new WidgetArgs() {{ "getText", getText }}));
+		}
+
+		public override void MouseExited()
+		{
+			if (TooltipContainer == null) return;
+			tooltipContainer.Value.RemoveTooltip();
 		}
 
 		public override void Draw()

OpenRA.Mods.Cnc/Widgets/SiloBarWidget.cs

@@ -10,6 +10,7 @@
 
 using System;
 using System.Drawing;
+using OpenRA.FileFormats;
 using OpenRA.Graphics;
 using OpenRA.Traits;
 using OpenRA.Widgets;
@@ -18,6 +19,10 @@ namespace OpenRA.Mods.Cnc.Widgets
 {
 	public class SiloBarWidget : Widget
 	{
+		public readonly string TooltipTemplate = "SIMPLE_TOOLTIP";
+		public readonly string TooltipContainer;
+		Lazy<TooltipContainerWidget> tooltipContainer;
+
 		public float LowStorageThreshold = 0.8f;
 		float? lastCapacityFrac;
 		float? lastStoredFrac;
@@ -27,6 +32,22 @@ namespace OpenRA.Mods.Cnc.Widgets
 		public SiloBarWidget( [ObjectCreator.Param] World world )
 		{
 			pr = world.LocalPlayer.PlayerActor.Trait<PlayerResources>();
+			tooltipContainer = new Lazy<TooltipContainerWidget>(() =>
+				Widget.RootWidget.GetWidget<TooltipContainerWidget>(TooltipContainer));
+		}
+
+		public override void MouseEntered()
+		{
+			if (TooltipContainer == null) return;
+			Func<string> getText = () => "Silo Usage: {0}/{1}".F(pr.Ore, pr.OreCapacity);
+			tooltipContainer.Value.SetTooltip(
+				Widget.LoadWidget(TooltipTemplate, null, new WidgetArgs() {{ "getText", getText }}));
+		}
+
+		public override void MouseExited()
+		{
+			if (TooltipContainer == null) return;
+			tooltipContainer.Value.RemoveTooltip();
 		}
 
 		public override void Draw()

mods/cnc/chrome/ingame.yaml

@@ -151,6 +151,7 @@ Container@INGAME_ROOT:
 									Y:1
 									Width:PARENT_RIGHT-2
 									Height:PARENT_BOTTOM-2
+									TooltipContainer:TOOLTIP_CONTAINER
 						Label@POWERICON:
 							X:4
 							Y:180
@@ -168,6 +169,7 @@ Container@INGAME_ROOT:
 									Y:1
 									Width:PARENT_RIGHT-2
 									Height:PARENT_BOTTOM-2
+									TooltipContainer:TOOLTIP_CONTAINER
 						Label@SILOICON:
 							X:181
 							Y:180

mods/cnc/chrome/tooltips.yaml

@@ -1,3 +1,16 @@
+Background@SIMPLE_TOOLTIP:
+	Id:SIMPLE_TOOLTIP
+	Logic:SimpleTooltipLogic
+	Background:panel-black
+	Width:100
+	Height:25
+	Children:
+		Label@LABEL:
+			Id:LABEL
+			X:5
+			Height:23
+			Font:Bold
+
 Background@PRODUCTION_TOOLTIP:
 	Id:PRODUCTION_TOOLTIP
 	Logic:ProductionTooltipLogic