Files
OpenRA/OpenRA.Game/Chrome/Widget.cs

104 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Drawing;
using OpenRA.FileFormats;
using OpenRA.Graphics;
using OpenRA.Widgets.Delegates;
namespace OpenRA.Widgets
{
public class Widget
{
// Info defined in YAML
public readonly string Id = null;
public readonly string X = "0";
public readonly string Y = "0";
public readonly string Width = "0";
public readonly string Height = "0";
public readonly string Delegate = null;
public bool Visible = true;
public readonly List<Widget> Children = new List<Widget>();
// Calculated internally
public Rectangle Bounds;
public Rectangle ClickRect;
public virtual void Initialize()
{
// Evaluate the bounds rectangle
Bounds = new Rectangle(int.Parse(X),int.Parse(Y),int.Parse(Width),int.Parse(Height));
// Create the clickrect
ClickRect = Bounds;
foreach (var child in Children)
ClickRect = Rectangle.Union(ClickRect, child.Bounds);
}
public virtual bool HandleInput(MouseInput mi)
{
if (!Visible)
return false;
// Do any of our children handle this?
bool caught = false;
if (ClickRect.Contains(mi.Location.X,mi.Location.Y))
{
foreach (var child in Children)
{
caught = child.HandleInput(mi);
if (caught)
break;
}
}
// Child has handled the event
if (caught)
return true;
// Mousedown
if (Delegate != null && mi.Event == MouseInputEvent.Down && ClickRect.Contains(mi.Location.X,mi.Location.Y))
{
foreach (var mod in Game.ModAssemblies)
{
var act = (IWidgetDelegate)mod.First.CreateInstance(mod.Second + "."+Delegate);
if (act == null) continue;
return act.OnClick(this, mi);
}
throw new InvalidOperationException("Cannot locate widget delegate: {0}".F(Delegate));
}
return false;
}
public virtual void Draw()
{
if (Visible)
foreach (var child in Children)
child.Draw();
}
public void AddChild(Widget child)
{
Children.Add( child );
}
public Widget GetWidget(string id)
{
if (this.Id == id)
return this;
foreach (var child in Children)
if (child.GetWidget(id) != null)
return child;
return null;
}
}
class ContainerWidget : Widget { }
}