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RibbonPopup.cs
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RibbonPopup.cs
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/*
2008 José Manuel Menéndez Poo
*
* Please give me credit if you use this code. It's all I ask.
*
* Contact me for more info: menendezpoo@gmail.com
*
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Design;
using System.ComponentModel;
using System.Drawing.Drawing2D;
using System.Windows.Forms.RibbonHelpers;
namespace System.Windows.Forms
{
[ToolboxItemAttribute(false)]
public class RibbonPopup
: Control
{
#region Fields
private RibbonWrappedDropDown _toolStripDropDown;
private int _borderRoundness;
#endregion
#region Events
public event EventHandler Showed;
/// <summary>
/// Raised when the popup is closed
/// </summary>
public event EventHandler Closed;
/// <summary>
/// Raised when the popup is about to be closed
/// </summary>
public event ToolStripDropDownClosingEventHandler Closing;
/// <summary>
/// Raised when the Popup is about to be opened
/// </summary>
public event CancelEventHandler Opening;
#endregion
#region Ctor
public RibbonPopup()
{
SetStyle(ControlStyles.Opaque, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.Selectable, false);
BorderRoundness = 3;
}
#endregion
#region Props
/// <summary>
/// Gets or sets the roundness of the border
/// </summary>
[Browsable(false)]
public int BorderRoundness
{
get { return _borderRoundness; }
set { _borderRoundness = value; }
}
/// <summary>
/// Gets the related ToolStripDropDown
/// </summary>
internal RibbonWrappedDropDown WrappedDropDown
{
get { return _toolStripDropDown; }
set { _toolStripDropDown = value; }
}
#endregion
#region Methods
/// <summary>
/// Shows this Popup on the specified location of the screen
/// </summary>
/// <param name="screenLocation"></param>
public void Show(Point screenLocation)
{
ToolStripControlHost host = new ToolStripControlHost(this);
WrappedDropDown = new RibbonWrappedDropDown();
WrappedDropDown.AutoClose = RibbonDesigner.Current != null;
WrappedDropDown.Items.Add(host);
WrappedDropDown.Padding = Padding.Empty;
WrappedDropDown.Margin = Padding.Empty;
host.Padding = Padding.Empty;
host.Margin = Padding.Empty;
WrappedDropDown.Opening += new CancelEventHandler(ToolStripDropDown_Opening);
WrappedDropDown.Closing += new ToolStripDropDownClosingEventHandler(ToolStripDropDown_Closing);
WrappedDropDown.Closed += new ToolStripDropDownClosedEventHandler(ToolStripDropDown_Closed);
WrappedDropDown.Size = Size;
WrappedDropDown.Show(screenLocation);
RibbonPopupManager.Register(this);
OnShowed(EventArgs.Empty);
}
/// <summary>
/// Handles the Opening event of the ToolStripDropDown
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripDropDown_Opening(object sender, CancelEventArgs e)
{
OnOpening(e);
}
/// <summary>
/// Called when pop-up is being opened
/// </summary>
/// <param name="e"></param>
protected virtual void OnOpening(CancelEventArgs e)
{
if (Opening != null)
{
Opening(this, e);
}
}
/// <summary>
/// Handles the Closing event of the ToolStripDropDown
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripDropDown_Closing(object sender, ToolStripDropDownClosingEventArgs e)
{
OnClosing(e);
}
/// <summary>
/// Handles the closed event of the ToolStripDropDown
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ToolStripDropDown_Closed(object sender, ToolStripDropDownClosedEventArgs e)
{
OnClosed(EventArgs.Empty);
}
/// <summary>
/// Closes this popup.
/// </summary>
public void Close()
{
if (WrappedDropDown != null)
{
WrappedDropDown.Close();
}
}
/// <summary>
/// Raises the <see cref="Closing"/> event
/// </summary>
/// <param name="e"></param>
protected virtual void OnClosing(ToolStripDropDownClosingEventArgs e)
{
if (Closing != null)
{
Closing(this, e);
}
}
/// <summary>
/// Raises the <see cref="Closed"/> event
/// </summary>
/// <param name="e"></param>
protected virtual void OnClosed(EventArgs e)
{
RibbonPopupManager.Unregister(this);
if (Closed != null)
{
Closed(this, e);
}
//if (NextPopup != null)
//{
// NextPopup.CloseForward();
// NextPopup = null;
//}
//if (PreviousPopup != null && PreviousPopup.NextPopup.Equals(this))
//{
// PreviousPopup.NextPopup = null;
//}
}
/// <summary>
/// Raises the Showed event
/// </summary>
/// <param name="e"></param>
protected virtual void OnShowed(EventArgs e)
{
if (Showed != null)
{
Showed(this, e);
}
}
/// <summary>
/// Raises the <see cref="Paint"/> event
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
using (GraphicsPath p = RibbonProfessionalRenderer.RoundRectangle(new Rectangle(Point.Empty, Size), BorderRoundness))
{
using (Region r = new Region(p))
{
WrappedDropDown.Region = r;
}
}
}
/// <summary>
/// Overriden. Used to drop a shadow on the popup
/// </summary>
protected override CreateParams CreateParams
{
get
{
CreateParams cp = base.CreateParams;
if (WinApi.IsXP)
{
cp.ClassStyle |= WinApi.CS_DROPSHADOW;
}
return cp;
}
}
#endregion
}
}