324 lines
12 KiB
C#

using DevComponents.DotNetBar.Rendering;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;
namespace DevComponents.DotNetBar.Controls
{
public partial class FlyoutForm : Form
{
public FlyoutForm()
{
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
InitializeComponent();
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.BackColor = Color.White;
//_PointerSide = ePointerSide.Top;
_PointerOffset = this.Width-50;
}
private int _PointerOffset;
private const int CS_DROPSHADOW = 0x00020000;
protected override CreateParams CreateParams
{
get
{
// add the drop shadow flag for automatically drawing
// a drop shadow around the form
CreateParams cp = base.CreateParams;
if(_DropShadow)
cp.ClassStyle |= CS_DROPSHADOW;
return cp;
}
}
protected override bool ShowWithoutActivation
{
get
{
return !_ActivateOnShow;
}
}
private bool _DropShadow = true;
/// <summary>
/// Indicates whether flyout displays a drop shadow.
/// </summary>
[DefaultValue(true)]
public bool DropShadow
{
get { return _DropShadow; }
set
{
_DropShadow = value;
}
}
private bool _ActivateOnShow = false;
/// <summary>
/// Gets or sets whether form is made active/focused when shown.
/// </summary>
[DefaultValue(false)]
public bool ActivateOnShow
{
get { return _ActivateOnShow; }
set
{
_ActivateOnShow = value;
}
}
private GraphicsPath GetFormPath(Rectangle r)
{
return GetFormPath(r, false);
}
private static readonly Size _PointerSize = new Size(24, 12);
internal static Size PointerSize
{
get
{
return _PointerSize;
}
}
private GraphicsPath GetFormPath(Rectangle r, bool isBorder)
{
Size calloutSize = _PointerSize; // new Size(24, 12);
GraphicsPath path = new GraphicsPath();
if (_PointerSide == ePointerSide.Top)
{
int cX = Math.Min(Math.Max(3, _PointerOffset), r.Width - calloutSize.Width + 3); //r.Right - (calloutSize.Width + 10);
path.AddLine(r.X, r.Y + calloutSize.Height, cX + (isBorder ? 1 : 0), r.Y + calloutSize.Height);
path.AddLine(cX, r.Y + calloutSize.Height, cX + calloutSize.Width / 2, r.Y);
path.AddLine(cX + calloutSize.Width / 2, r.Y, cX + calloutSize.Width, r.Y + calloutSize.Height);
path.AddLine(cX + calloutSize.Width, r.Y + calloutSize.Height, r.Right, r.Y + calloutSize.Height);
path.AddLine(r.Right, r.Y + calloutSize.Height, r.Right, r.Bottom);
path.AddLine(r.Right, r.Bottom, r.X, r.Bottom);
path.AddLine(r.X, r.Bottom, r.X, r.Y + calloutSize.Height);
path.CloseAllFigures();
}
else if (_PointerSide == ePointerSide.Bottom)
{
int cX = Math.Min(Math.Max(3, _PointerOffset), r.Width - calloutSize.Width + 3); //r.Right - (calloutSize.Width + 10);
path.AddLine(r.X, r.Bottom - calloutSize.Height, cX + (isBorder ? 1 : 0), r.Bottom - calloutSize.Height);
path.AddLine(cX, r.Bottom - calloutSize.Height, cX + calloutSize.Width / 2, r.Bottom);
path.AddLine(cX + calloutSize.Width / 2, r.Bottom, cX + calloutSize.Width, r.Bottom - calloutSize.Height);
path.AddLine(cX + calloutSize.Width, r.Bottom - calloutSize.Height, r.Right, r.Bottom - calloutSize.Height);
path.AddLine(r.Right, r.Bottom - calloutSize.Height, r.Right, r.Y);
path.AddLine(r.Right, r.Y, r.X, r.Y);
path.AddLine(r.X, r.Y, r.X, r.Bottom - calloutSize.Height);
path.CloseAllFigures();
}
else if (_PointerSide == ePointerSide.Left)
{
int cY = Math.Min(Math.Max(3, _PointerOffset), r.Height - calloutSize.Width + 3); //r.Bottom - (calloutSize.Width + 10);
path.AddLine(r.X + calloutSize.Height, r.Bottom, r.X + calloutSize.Height, cY + (isBorder ? 1 : 0));
path.AddLine(r.X + calloutSize.Height, cY + (isBorder ? 1 : 0), r.X, cY + calloutSize.Width / 2);
path.AddLine(r.X, cY + calloutSize.Width / 2, r.X + calloutSize.Height, cY + calloutSize.Width);
path.AddLine(r.X + calloutSize.Height, cY + calloutSize.Width, r.X + calloutSize.Height, r.Y);
path.AddLine(r.X + calloutSize.Height, r.Y, r.Right, r.Y);
path.AddLine(r.Right, r.Y, r.Right, r.Bottom);
path.AddLine(r.Right, r.Bottom, r.X + calloutSize.Height, r.Bottom);
path.CloseAllFigures();
}
else if (_PointerSide == ePointerSide.Right)
{
int cY = Math.Min(Math.Max(3, _PointerOffset), r.Width - calloutSize.Height + 3); //r.Bottom - (calloutSize.Width + 10);
path.AddLine(r.Right - calloutSize.Height, r.Y, r.Right - calloutSize.Height, cY + (isBorder ? 1 : 0));
path.AddLine(r.Right - calloutSize.Height, cY + (isBorder ? 1 : 0), r.Right - (isBorder ? 1 : 0), cY + calloutSize.Width / 2);
path.AddLine(r.Right - (isBorder ? 1 : 0), cY + calloutSize.Width / 2, r.Right - calloutSize.Height, cY + calloutSize.Width);
path.AddLine(r.Right - calloutSize.Height, cY + calloutSize.Width, r.Right - calloutSize.Height, r.Bottom);
path.AddLine(r.Right - calloutSize.Height, r.Bottom, r.X, r.Bottom);
path.AddLine(r.X, r.Bottom, r.X, r.Y);
path.AddLine(r.X, r.Y, r.Right - calloutSize.Height, r.Y);
path.CloseAllFigures();
}
return path;
}
private Region GetFormRegion()
{
return new Region(GetFormPath(this.ClientRectangle));
}
protected override void OnPaint(PaintEventArgs e)
{
Rectangle r = this.ClientRectangle;
r.Inflate(-1, -1);
FlyoutColorTable table = GetColorTable();
Color backColor = this.BackColor;
if (backColor.IsEmpty)
backColor = table.BackColor;
Color borderColor = _BorderColor;
if(borderColor == Color.Empty)
{
borderColor = table.BorderColor;
}
using (GraphicsPath path = GetFormPath(r, true))
{
using(SolidBrush borderBrush=new SolidBrush(borderColor))
e.Graphics.FillRectangle(borderBrush, this.ClientRectangle);
e.Graphics.SetClip(path);
using (SolidBrush brush = new SolidBrush(backColor))
e.Graphics.FillRectangle(brush, this.ClientRectangle);
e.Graphics.SmoothingMode = SmoothingMode.HighQuality;
//e.Graphics.DrawPath(Pens.Red, path);
}
//base.OnPaint(e);
}
private FlyoutColorTable GetColorTable()
{
return ((Office2007Renderer)GlobalManager.Renderer).ColorTable.Flyout;
}
private void Form1_Load(object sender, EventArgs e)
{
//UpdateFormRegion();
}
protected override void OnHandleCreated(EventArgs e)
{
UpdateFormRegion();
base.OnHandleCreated(e);
}
protected override void OnResize(EventArgs e)
{
UpdateFormRegion();
base.OnResize(e);
}
private void UpdateFormRegion()
{
this.Region = GetFormRegion();
}
/// <summary>
/// Gets or sets the pointer offset from the top-left corner
/// </summary>
public int PointerOffset
{
get { return _PointerOffset; }
set
{
if (value !=_PointerOffset)
{
int oldValue = _PointerOffset;
_PointerOffset = value;
OnPointerOffsetChanged(oldValue, value);
}
}
}
/// <summary>
/// Called when PointerOffset property has changed.
/// </summary>
/// <param name="oldValue">Old property value</param>
/// <param name="newValue">New property value</param>
protected virtual void OnPointerOffsetChanged(int oldValue, int newValue)
{
//OnPropertyChanged(new PropertyChangedEventArgs("PointerOffset"));
if (this.IsHandleCreated)
UpdateFormRegion();
}
private ePointerSide _PointerSide = ePointerSide.Bottom;
/// <summary>
/// Gets or sets the side pointer triangle is displayed on.
/// </summary>
public ePointerSide PointerSide
{
get { return _PointerSide; }
set
{
if (value != _PointerSide)
{
ePointerSide oldValue = _PointerSide;
_PointerSide = value;
OnPointerSideChanged(oldValue, value);
}
}
}
/// <summary>
/// Called when PointerSide property has changed.
/// </summary>
/// <param name="oldValue">Old property value</param>
/// <param name="newValue">New property value</param>
protected virtual void OnPointerSideChanged(ePointerSide oldValue, ePointerSide newValue)
{
//OnPropertyChanged(new PropertyChangedEventArgs("PointerSide"));
if (this.IsHandleCreated)
UpdateFormRegion();
}
private Color _BorderColor = Color.Empty;
/// <summary>
/// Gets or sets the flyout border color. Default value of Color.Empty indicates that color scheme will be used.
/// </summary>
[Category("Columns"), Description("Indicates flyout border color. Default value of Color.Empty indicates that color scheme will be used.")]
public Color BorderColor
{
get { return _BorderColor; }
set { _BorderColor = value; }
}
/// <summary>
/// Gets whether property should be serialized.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeBorderColor()
{
return !_BorderColor.IsEmpty;
}
/// <summary>
/// Resets property to its default value.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public void ResetBorderColor()
{
this.BorderColor = Color.Empty;
}
private bool _IsActive = false;
protected override void OnActivated(EventArgs e)
{
_IsActive = true;
base.OnActivated(e);
}
protected override void OnDeactivate(EventArgs e)
{
_IsActive = false;
base.OnDeactivate(e);
}
[Browsable(false)]
public bool IsActive
{
get
{
return _IsActive;
}
}
}
/// <summary>
/// Defines the side of triangle pointer displayed on flyout popup.
/// </summary>
public enum ePointerSide
{
Top,
Bottom,
Left,
Right
}
}