Files
OpenRA/OpenRA.Mods.Common/Widgets/Logic/SimpleTooltipLogic.cs
2015-11-07 16:10:00 -06:00

51 lines
1.5 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 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.Widgets;
namespace OpenRA.Mods.Common.Widgets.Logic
{
public class SimpleTooltipLogic : ChromeLogic
{
[ObjectCreator.UseCtor]
public SimpleTooltipLogic(Widget widget, TooltipContainerWidget tooltipContainer, Func<string> getText)
{
var label = widget.Get<LabelWidget>("LABEL");
var font = Game.Renderer.Fonts[label.Font];
var cachedWidth = 0;
var cachedHeight = 0;
var horizontalPadding = label.Bounds.Width - widget.Bounds.Width;
if (horizontalPadding <= 0)
horizontalPadding = 2 * label.Bounds.X;
var vertcalPadding = widget.Bounds.Height - label.Bounds.Height;
if (vertcalPadding <= 0)
vertcalPadding = 2 * label.Bounds.Y;
var labelText = "";
tooltipContainer.BeforeRender = () =>
{
labelText = getText();
var textDim = font.Measure(labelText);
if (textDim.X != cachedWidth || textDim.Y != cachedHeight)
{
label.Bounds.Width = textDim.X;
widget.Bounds.Width = horizontalPadding + textDim.X;
label.Bounds.Height = textDim.Y;
widget.Bounds.Height = vertcalPadding + textDim.Y;
cachedWidth = textDim.X;
cachedHeight = textDim.Y;
}
};
label.GetText = () => labelText;
}
}
}