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//
// PrivateContainer.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2015 jp
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Xml.Serialization;
using System.ComponentModel;
using OpenTK.Input;
using Cairo;
namespace go
{
/// <summary>
/// Implement drawing and layouting for a single child, but
/// does not implement IXmlSerialisation to allow reuse of container
/// behaviour for widgets that have other xml hierarchy: example
/// TemplatedControl may have 3 children (template,templateItem,content) but
/// behave exactely as a container for layouting and drawing
/// </summary>
public class PrivateContainer : GraphicObject
{
#region CTOR
public PrivateContainer()
: base()
{
}
public PrivateContainer(Rectangle _bounds)
: base(_bounds)
{
}
#endregion
protected GraphicObject child;
protected virtual T SetChild<T>(T _child)
{
if (child != null) {
this.RegisterForLayouting ((int)LayoutingType.Sizing);
child.Parent = null;
}
child = _child as GraphicObject;
if (child != null) {
child.Parent = this;
child.RegisterForLayouting ((int)LayoutingType.Sizing);
}
return (T)_child;
}
#region GraphicObject Overrides
public override void ResolveBindings ()
{
base.ResolveBindings ();
if (child != null)
child.ResolveBindings ();
}
protected void ResolveBindingsWithNoRecurse ()
{
base.ResolveBindings ();
}
public override GraphicObject FindByName (string nameToFind)
{
if (Name == nameToFind)
return this;
return child == null ? null : child.FindByName (nameToFind);
}
public override bool Contains (GraphicObject goToFind)
{
return child == goToFind ? true :
child == null ? false : child.Contains(goToFind);
}
protected override Size measureRawSize ()
{
return child == null ? Bounds.Size : child.Slot.Size + 2 * Margin;
}
public override void OnLayoutChanges (LayoutingType layoutType)
{
switch (layoutType) {
case LayoutingType.Width:
base.OnLayoutChanges (layoutType);
if (child != null) {
if (child.getBounds ().Width == 0)
child.RegisterForLayouting ((int)LayoutingType.Width);
else
child.RegisterForLayouting ((int)LayoutingType.X);
}
break;
case LayoutingType.Height:
base.OnLayoutChanges (layoutType);
if (child != null) {
if (child.getBounds ().Height == 0)
child.RegisterForLayouting ((int)LayoutingType.Height);
else
child.RegisterForLayouting ((int)LayoutingType.Y);
}
break;
}
}
public override Rectangle ContextCoordinates (Rectangle r)
{
return
Parent.ContextCoordinates(r) + Slot.Position + ClientRectangle.Position;
}
public override void Paint(ref Cairo.Context ctx, Rectangles clip = null)
{
if (!Visible)//check if necessary??
return;
ctx.Save();
if (clip != null)
clip.clip(ctx);
base.Paint(ref ctx, clip);
//clip to client zone
CairoHelpers.CairoRectangle (ctx, Parent.ContextCoordinates(ClientRectangle + Slot.Position), CornerRadius);
ctx.Clip();
if (child != null)
child.Paint(ref ctx, clip);
ctx.Restore();
}
#endregion
#region Mouse handling
public override void checkHoverWidget (MouseMoveEventArgs e)
{
base.checkHoverWidget (e);
if (child != null)
if (child.MouseIsIn (e.Position))
child.checkHoverWidget (e);
}
#endregion
public override void ClearBinding ()
{
if (child != null)
child.ClearBinding ();
base.ClearBinding ();
}
}
}
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