more infantry tweaks; sidebar mouseover shows desc & prices now

OpenRa.Game/Graphics/Region.cs

@@ -20,6 +20,8 @@ namespace OpenRa.Game.Graphics
 		Action drawFunction;
         Action<MouseInput> mouseHandler;
 		Rectangle rect;
+		public bool UseScissor = true;
+		public bool AlwaysWantMovement = false;
 
 		static int2 MakeSize(Viewport v, DockStyle d, int size)
 		{
@@ -40,7 +42,6 @@ namespace OpenRa.Game.Graphics
 
         public bool HandleMouseInput(MouseInput mi)
         {
-            /* todo: route to the mousehandler once that's sorted */
             if (mouseHandler != null) mouseHandler(new MouseInput
             {
                 Button = mi.Button,
@@ -83,9 +84,11 @@ namespace OpenRa.Game.Graphics
 
 		public void Draw(Renderer renderer)
 		{
-			renderer.Device.EnableScissor((int)location.X, (int)location.Y, (int)Size.X, (int)Size.Y);
+			if (UseScissor)
+				renderer.Device.EnableScissor((int)location.X, (int)location.Y, (int)Size.X, (int)Size.Y);
 			drawFunction();
-			renderer.Device.DisableScissor();
+			if (UseScissor)
+				renderer.Device.DisableScissor();
 		}
 	}
 }

OpenRa.Game/Graphics/Renderer.cs

@@ -96,5 +96,10 @@ namespace OpenRa.Game.Graphics
 			fhDebug.Draw(sh, text, pos.X, pos.Y, c.ToArgb());
 			sh.End();
 		}
+
+		public int2 MeasureText(string text)
+		{
+			return new int2(fhDebug.MeasureText(sh, text));
+		}
 	}
 }

OpenRa.Game/Graphics/Viewport.cs

@@ -74,6 +74,10 @@ namespace OpenRa.Game.Graphics
                 return;
             }
 
+			if (mi.Event == MouseInputEvent.Move)
+				foreach (var reg in regions.Where(r => r.AlwaysWantMovement))
+					reg.HandleMouseInput(mi);
+
             dragRegion = regions.FirstOrDefault(r => r.Contains(mi.Location) && r.HandleMouseInput(mi));
             if (mi.Event != MouseInputEvent.Down)
                 dragRegion = null;