Files
OpenRA/OpenRA.Game/Widgets/CheckboxWidget.cs

88 lines
2.4 KiB
C#

#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 System.Drawing;
using OpenRA.Graphics;
using System.Reflection;
namespace OpenRA.Widgets
{
public class CheckboxWidget : Widget
{
public string Text = "";
public int baseLine = 1;
public bool Bold = false;
public Func<bool> IsChecked = () => false;
public event Action<bool> OnChange = _ => {};
object boundObject;
bool boundReadOnly;
FieldInfo boundField;
public override void DrawInner()
{
var font = Bold ? Game.Renderer.BoldFont : Game.Renderer.RegularFont;
var pos = RenderOrigin;
var rect = RenderBounds;
var check = new Rectangle(rect.Location,
new Size(Bounds.Height, Bounds.Height));
WidgetUtils.DrawPanel("dialog3", check);
var textSize = font.Measure(Text);
font.DrawText(Text,
new float2(rect.Left + rect.Height * 1.5f,
pos.Y - baseLine + (Bounds.Height - textSize.Y)/2), Color.White);
if ((boundObject != null && (bool)boundField.GetValue(boundObject)) || IsChecked())
WidgetUtils.DrawRGBA(
ChromeProvider.GetImage("checkbox", "checked"),
new float2(rect.Left + 2, rect.Top + 2));
}
public void Bind(object obj, string field) { Bind(obj, field, false); }
public void BindReadOnly(object obj, string field) { Bind(obj, field, true); }
void Bind(object obj, string field, bool readOnly)
{
boundObject = obj;
boundReadOnly = readOnly;
boundField = obj.GetType().GetField(field);
}
// TODO: CheckboxWidget doesn't support delegate methods for mouse input
public override bool HandleMouseInput(MouseInput mi)
{
// Checkboxes require lmb
if (mi.Button != MouseButton.Left || mi.Event != MouseInputEvent.Down)
return false;
bool newVal = !IsChecked();
if (boundObject != null && !boundReadOnly)
{
newVal = !(bool)boundField.GetValue(boundObject);
boundField.SetValue(boundObject, newVal);
}
OnChange(newVal);
return true;
}
public CheckboxWidget() : base() { }
protected CheckboxWidget(CheckboxWidget other)
: base(other)
{
Text = other.Text;
}
public override Widget Clone() { return new CheckboxWidget(this); }
}
}