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ThemedControlHandler.cs
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ThemedControlHandler.cs
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using System;
using Eto.Drawing;
namespace Eto.Forms
{
/// <summary>
/// Base class for implementing Eto controls
/// using other Eto controls.
/// This allows a single implementation to
/// be used in multiple platforms and is
/// useful in a couple of scenarios:
///
/// a) Creating default implementations of a control
/// on platforms that do not support the control
/// natively.
///
/// b) Implementing a control with a non-native
/// look and feel that is consistent across
/// platforms.
/// <typeparam name="TControl">The Eto control used to create the custom implementation, e.g. Panel</typeparam>
/// <typeparam name="TWidget">The control being implemented, eg TabControl</typeparam>
/// </summary>
public class ThemedControlHandler<TControl, TWidget> : WidgetHandler<TControl, TWidget>, IControl
where TControl : Control
where TWidget : Control
{
public Color BackgroundColor
{
get { return Control.BackgroundColor; }
set { Control.BackgroundColor = value; }
}
public Size Size
{
get { return Control.Size; }
set { Control.Size = value; }
}
public virtual bool Enabled
{
get { return Control.Enabled; }
set { Control.Enabled = value; }
}
public virtual void Invalidate()
{
Control.Invalidate();
}
public virtual void Invalidate(Rectangle rect)
{
Control.Invalidate(rect);
}
public virtual void SuspendLayout()
{
Control.SuspendLayout();
}
public virtual void ResumeLayout()
{
Control.ResumeLayout();
}
public virtual void Focus()
{
Control.Focus();
}
public virtual bool HasFocus
{
get { return Control.HasFocus; }
}
public virtual bool Visible
{
get { return Control.Visible; }
set { Control.Visible = value; }
}
public virtual void OnPreLoad(EventArgs e)
{
Control.OnPreLoad(e);
}
public virtual void OnLoad(EventArgs e)
{
Control.OnLoad(e);
}
public virtual void OnLoadComplete(EventArgs e)
{
Control.OnLoadComplete(e);
}
public virtual void OnUnLoad(EventArgs e)
{
Control.OnUnLoad(e);
}
public virtual void SetParent(Container parent)
{
Control.Parent = parent;
}
public virtual PointF PointFromScreen(PointF point)
{
return Control.PointFromScreen(point);
}
public virtual PointF PointToScreen(PointF point)
{
return Control.PointToScreen(point);
}
public virtual void MapPlatformCommand(string systemAction, Command action)
{
Control.MapPlatformCommand(systemAction, action);
}
public virtual Point Location
{
get { return Control.Location; }
}
#if DESKTOP
public virtual string ToolTip
{
get { return Control.ToolTip; }
set { Control.ToolTip = value; }
}
public virtual Cursor Cursor
{
get { return Control.Cursor; }
set { Control.Cursor = value; }
}
#endif
public virtual object ControlObject
{
get { return Control; }
}
#region Events
public override void AttachEvent(string id)
{
var handled = false;
switch (id)
{
case Eto.Forms.Control.KeyDownEvent:
Control.KeyDown += (s, e) => Widget.OnKeyDown(e);
handled = true;
break;
case Eto.Forms.Control.KeyUpEvent:
Control.KeyUp += (s, e) => Widget.OnKeyUp(e);
handled = true;
break;
case Eto.Forms.Control.SizeChangedEvent:
Control.SizeChanged += (s, e) => Widget.OnSizeChanged(e);
handled = true;
break;
case Eto.Forms.Control.MouseDoubleClickEvent:
Control.MouseDoubleClick += (s, e) => Widget.OnMouseDoubleClick(e);
handled = true;
break;
case Eto.Forms.Control.MouseEnterEvent:
Control.MouseEnter += (s, e) => Widget.OnMouseEnter(e);
handled = true;
break;
case Eto.Forms.Control.MouseLeaveEvent:
Control.MouseLeave += (s, e) => Widget.OnMouseLeave(e);
handled = true;
break;
case Eto.Forms.Control.MouseDownEvent:
Control.MouseDown += (s, e) => Widget.OnMouseDown(e);
handled = true;
break;
case Eto.Forms.Control.MouseUpEvent:
Control.MouseUp += (s, e) => Widget.OnMouseUp(e);
handled = true;
break;
case Eto.Forms.Control.MouseMoveEvent:
Control.MouseMove += (s, e) => Widget.OnMouseMove(e);
handled = true;
break;
case Eto.Forms.Control.MouseWheelEvent:
Control.MouseWheel += (s, e) => Widget.OnMouseWheel(e);
handled = true;
break;
case Eto.Forms.Control.GotFocusEvent:
Control.GotFocus += (s, e) => Widget.OnGotFocus(e);
handled = true;
break;
case Eto.Forms.Control.LostFocusEvent:
Control.LostFocus += (s, e) => Widget.OnLostFocus(e);
handled = true;
break;
#if TODO
case Eto.Forms.DragDropInputSource.DragDropEvent:
Control.DragDrop += (s, e) =>
handleDragEvent(
Widget.DragDropInputSource.OnDragDrop,
e);
handled = true;
break;
case Eto.Forms.DragDropInputSource.DragEnterEvent:
Control.DragEnter += (s, e) =>
handleDragEvent(
Widget.DragDropInputSource.OnDragEnter,
e);
handled = true;
break;
case Eto.Forms.DragDropInputSource.DragOverEvent:
Control.DragOver += (s, e) =>
handleDragEvent(
Widget.DragDropInputSource.OnDragOver,
e);
handled = true;
break;
case Eto.Forms.DragDropInputSource.GiveFeedbackEvent:
Control.GiveFeedback += (s, e) =>
Widget.DragDropInputSource.OnGiveFeedback(
e.ToEto());
handled = true;
break;
case Eto.Forms.DragDropInputSource.QueryContinueDragEvent:
Control.QueryContinueDrag += (s, e) =>
// TODO: convert the result back to SWF
Widget.DragDropInputSource.OnQueryContinueDrag(
e.ToEto());
handled = true;
break;
#endif
}
if (!handled)
base.AttachEvent(id);
}
#endregion
}
}