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using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.IO;
using System.Text;
using System.Diagnostics.CodeAnalysis;
using System.Collections.Generic;
// To simplify the process of finding the toolbox bitmap resource:
// #1 Create an internal class called "resfinder" outside of the root namespace.
// #2 Use "resfinder" in the toolbox bitmap attribute instead of the control name.
// #3 use the "<default namespace>.<resourcename>" string to locate the resource.
// See: http://www.bobpowell.net/toolboxbitmap.htm
internal class resfinder
{
}
namespace WeifenLuo.WinFormsUI.Docking
{
[SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "0#")]
public delegate IDockContent DeserializeDockContent(string persistString);
[LocalizedDescription("DockPanel_Description")]
[Designer("System.Windows.Forms.Design.ControlDesigner, System.Design")]
[ToolboxBitmap(typeof(resfinder), "WeifenLuo.WinFormsUI.Docking.DockPanel.bmp")]
[DefaultProperty("DocumentStyle")]
[DefaultEvent("ActiveContentChanged")]
public partial class DockPanel : Panel
{
private readonly FocusManagerImpl m_focusManager;
private readonly DockPanelExtender m_extender;
private readonly DockPaneCollection m_panes;
private readonly FloatWindowCollection m_floatWindows;
private AutoHideWindowControl m_autoHideWindow;
private DockWindowCollection m_dockWindows;
private readonly DockContent m_dummyContent;
private readonly Control m_dummyControl;
public DockPanel()
{
ShowAutoHideContentOnHover = true;
m_focusManager = new FocusManagerImpl(this);
m_extender = new DockPanelExtender(this);
m_panes = new DockPaneCollection();
m_floatWindows = new FloatWindowCollection();
SuspendLayout();
m_autoHideWindow = Extender.AutoHideWindowFactory.CreateAutoHideWindow(this);
m_autoHideWindow.Visible = false;
m_autoHideWindow.ActiveContentChanged += m_autoHideWindow_ActiveContentChanged;
SetAutoHideWindowParent();
m_dummyControl = new DummyControl();
m_dummyControl.Bounds = new Rectangle(0, 0, 1, 1);
Controls.Add(m_dummyControl);
LoadDockWindows();
m_dummyContent = new DockContent();
ResumeLayout();
}
private Color m_BackColor;
/// <summary>
/// Determines the color with which the client rectangle will be drawn.
/// If this property is used instead of the BackColor it will not have any influence on the borders to the surrounding controls (DockPane).
/// The BackColor property changes the borders of surrounding controls (DockPane).
/// Alternatively both properties may be used (BackColor to draw and define the color of the borders and DockBackColor to define the color of the client rectangle).
/// For Backgroundimages: Set your prefered Image, then set the DockBackColor and the BackColor to the same Color (Control)
/// </summary>
[Description("Determines the color with which the client rectangle will be drawn.\r\n" +
"If this property is used instead of the BackColor it will not have any influence on the borders to the surrounding controls (DockPane).\r\n" +
"The BackColor property changes the borders of surrounding controls (DockPane).\r\n" +
"Alternatively both properties may be used (BackColor to draw and define the color of the borders and DockBackColor to define the color of the client rectangle).\r\n" +
"For Backgroundimages: Set your prefered Image, then set the DockBackColor and the BackColor to the same Color (Control).")]
public Color DockBackColor
{
get
{
return !m_BackColor.IsEmpty ? m_BackColor : base.BackColor;
}
set
{
if (m_BackColor != value)
{
m_BackColor = value;
this.Refresh();
}
}
}
private bool ShouldSerializeDockBackColor()
{
return !m_BackColor.IsEmpty;
}
private void ResetDockBackColor()
{
DockBackColor = Color.Empty;
}
private AutoHideStripBase m_autoHideStripControl = null;
internal AutoHideStripBase AutoHideStripControl
{
get
{
if (m_autoHideStripControl == null)
{
m_autoHideStripControl = AutoHideStripFactory.CreateAutoHideStrip(this);
Controls.Add(m_autoHideStripControl);
}
return m_autoHideStripControl;
}
}
internal void ResetAutoHideStripControl()
{
if (m_autoHideStripControl != null)
m_autoHideStripControl.Dispose();
m_autoHideStripControl = null;
}
private void MdiClientHandleAssigned(object sender, EventArgs e)
{
SetMdiClient();
PerformLayout();
}
private void MdiClient_Layout(object sender, LayoutEventArgs e)
{
if (DocumentStyle != DocumentStyle.DockingMdi)
return;
foreach (DockPane pane in Panes)
if (pane.DockState == DockState.Document)
pane.SetContentBounds();
InvalidateWindowRegion();
}
private bool m_disposed = false;
protected override void Dispose(bool disposing)
{
if (!m_disposed && disposing)
{
m_focusManager.Dispose();
if (m_mdiClientController != null)
{
m_mdiClientController.HandleAssigned -= new EventHandler(MdiClientHandleAssigned);
m_mdiClientController.MdiChildActivate -= new EventHandler(ParentFormMdiChildActivate);
m_mdiClientController.Layout -= new LayoutEventHandler(MdiClient_Layout);
m_mdiClientController.Dispose();
}
FloatWindows.Dispose();
Panes.Dispose();
DummyContent.Dispose();
m_disposed = true;
}
base.Dispose(disposing);
}
[Browsable(false)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public IDockContent ActiveAutoHideContent
{
get { return AutoHideWindow.ActiveContent; }
set { AutoHideWindow.ActiveContent = value; }
}
private bool m_allowEndUserDocking = !Win32Helper.IsRunningOnMono;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_AllowEndUserDocking_Description")]
[DefaultValue(true)]
public bool AllowEndUserDocking
{
get
{
if (Win32Helper.IsRunningOnMono && m_allowEndUserDocking)
m_allowEndUserDocking = false;
return m_allowEndUserDocking;
}
set
{
if (Win32Helper.IsRunningOnMono && value)
throw new InvalidOperationException("AllowEndUserDocking can only be false if running on Mono");
m_allowEndUserDocking = value;
}
}
private bool m_allowEndUserNestedDocking = !Win32Helper.IsRunningOnMono;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_AllowEndUserNestedDocking_Description")]
[DefaultValue(true)]
public bool AllowEndUserNestedDocking
{
get
{
if (Win32Helper.IsRunningOnMono && m_allowEndUserDocking)
m_allowEndUserDocking = false;
return m_allowEndUserNestedDocking;
}
set
{
if (Win32Helper.IsRunningOnMono && value)
throw new InvalidOperationException("AllowEndUserNestedDocking can only be false if running on Mono");
m_allowEndUserNestedDocking = value;
}
}
private DockContentCollection m_contents = new DockContentCollection();
[Browsable(false)]
public DockContentCollection Contents
{
get { return m_contents; }
}
internal DockContent DummyContent
{
get { return m_dummyContent; }
}
private bool m_rightToLeftLayout = false;
[DefaultValue(false)]
[LocalizedCategory("Appearance")]
[LocalizedDescription("DockPanel_RightToLeftLayout_Description")]
public bool RightToLeftLayout
{
get { return m_rightToLeftLayout; }
set
{
if (m_rightToLeftLayout == value)
return;
m_rightToLeftLayout = value;
foreach (FloatWindow floatWindow in FloatWindows)
floatWindow.RightToLeftLayout = value;
}
}
protected override void OnRightToLeftChanged(EventArgs e)
{
base.OnRightToLeftChanged(e);
foreach (FloatWindow floatWindow in FloatWindows)
{
if (floatWindow.RightToLeft != RightToLeft)
floatWindow.RightToLeft = RightToLeft;
}
}
private bool m_showDocumentIcon = false;
[DefaultValue(false)]
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_ShowDocumentIcon_Description")]
public bool ShowDocumentIcon
{
get { return m_showDocumentIcon; }
set
{
if (m_showDocumentIcon == value)
return;
m_showDocumentIcon = value;
Refresh();
}
}
private DocumentTabStripLocation m_documentTabStripLocation = DocumentTabStripLocation.Top;
[DefaultValue(DocumentTabStripLocation.Top)]
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DocumentTabStripLocation")]
public DocumentTabStripLocation DocumentTabStripLocation
{
get { return m_documentTabStripLocation; }
set { m_documentTabStripLocation = value; }
}
[Browsable(false)]
public DockPanelExtender Extender
{
get { return m_extender; }
}
[Browsable(false)]
public DockPanelExtender.IDockPaneFactory DockPaneFactory
{
get { return Extender.DockPaneFactory; }
}
[Browsable(false)]
public DockPanelExtender.IFloatWindowFactory FloatWindowFactory
{
get { return Extender.FloatWindowFactory; }
}
[Browsable(false)]
public DockPanelExtender.IDockWindowFactory DockWindowFactory
{
get { return Extender.DockWindowFactory; }
}
internal DockPanelExtender.IDockPaneCaptionFactory DockPaneCaptionFactory
{
get { return Extender.DockPaneCaptionFactory; }
}
internal DockPanelExtender.IDockPaneStripFactory DockPaneStripFactory
{
get { return Extender.DockPaneStripFactory; }
}
internal DockPanelExtender.IAutoHideStripFactory AutoHideStripFactory
{
get { return Extender.AutoHideStripFactory; }
}
[Browsable(false)]
public DockPaneCollection Panes
{
get { return m_panes; }
}
public Rectangle DockArea
{
get
{
return new Rectangle(DockPadding.Left, DockPadding.Top,
ClientRectangle.Width - DockPadding.Left - DockPadding.Right,
ClientRectangle.Height - DockPadding.Top - DockPadding.Bottom);
}
}
private double m_dockBottomPortion = 0.25;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DockBottomPortion_Description")]
[DefaultValue(0.25)]
public double DockBottomPortion
{
get { return m_dockBottomPortion; }
set
{
if (value <= 0)
throw new ArgumentOutOfRangeException("value");
if (value == m_dockBottomPortion)
return;
m_dockBottomPortion = value;
if (m_dockBottomPortion < 1 && m_dockTopPortion < 1)
{
if (m_dockTopPortion + m_dockBottomPortion > 1)
m_dockTopPortion = 1 - m_dockBottomPortion;
}
PerformLayout();
}
}
private double m_dockLeftPortion = 0.25;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DockLeftPortion_Description")]
[DefaultValue(0.25)]
public double DockLeftPortion
{
get { return m_dockLeftPortion; }
set
{
if (value <= 0)
throw new ArgumentOutOfRangeException("value");
if (value == m_dockLeftPortion)
return;
m_dockLeftPortion = value;
if (m_dockLeftPortion < 1 && m_dockRightPortion < 1)
{
if (m_dockLeftPortion + m_dockRightPortion > 1)
m_dockRightPortion = 1 - m_dockLeftPortion;
}
PerformLayout();
}
}
private double m_dockRightPortion = 0.25;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DockRightPortion_Description")]
[DefaultValue(0.25)]
public double DockRightPortion
{
get { return m_dockRightPortion; }
set
{
if (value <= 0)
throw new ArgumentOutOfRangeException("value");
if (value == m_dockRightPortion)
return;
m_dockRightPortion = value;
if (m_dockLeftPortion < 1 && m_dockRightPortion < 1)
{
if (m_dockLeftPortion + m_dockRightPortion > 1)
m_dockLeftPortion = 1 - m_dockRightPortion;
}
PerformLayout();
}
}
private double m_dockTopPortion = 0.25;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DockTopPortion_Description")]
[DefaultValue(0.25)]
public double DockTopPortion
{
get { return m_dockTopPortion; }
set
{
if (value <= 0)
throw new ArgumentOutOfRangeException("value");
if (value == m_dockTopPortion)
return;
m_dockTopPortion = value;
if (m_dockTopPortion < 1 && m_dockBottomPortion < 1)
{
if (m_dockTopPortion + m_dockBottomPortion > 1)
m_dockBottomPortion = 1 - m_dockTopPortion;
}
PerformLayout();
}
}
[Browsable(false)]
public DockWindowCollection DockWindows
{
get { return m_dockWindows; }
}
public void UpdateDockWindowZOrder(DockStyle dockStyle, bool fullPanelEdge)
{
if (dockStyle == DockStyle.Left)
{
if (fullPanelEdge)
DockWindows[DockState.DockLeft].SendToBack();
else
DockWindows[DockState.DockLeft].BringToFront();
}
else if (dockStyle == DockStyle.Right)
{
if (fullPanelEdge)
DockWindows[DockState.DockRight].SendToBack();
else
DockWindows[DockState.DockRight].BringToFront();
}
else if (dockStyle == DockStyle.Top)
{
if (fullPanelEdge)
DockWindows[DockState.DockTop].SendToBack();
else
DockWindows[DockState.DockTop].BringToFront();
}
else if (dockStyle == DockStyle.Bottom)
{
if (fullPanelEdge)
DockWindows[DockState.DockBottom].SendToBack();
else
DockWindows[DockState.DockBottom].BringToFront();
}
}
[Browsable(false)]
public int DocumentsCount
{
get
{
int count = 0;
foreach (IDockContent content in Documents)
count++;
return count;
}
}
public IDockContent[] DocumentsToArray()
{
int count = DocumentsCount;
IDockContent[] documents = new IDockContent[count];
int i = 0;
foreach (IDockContent content in Documents)
{
documents[i] = content;
i++;
}
return documents;
}
[Browsable(false)]
public IEnumerable<IDockContent> Documents
{
get
{
foreach (IDockContent content in Contents)
{
if (content.DockHandler.DockState == DockState.Document)
yield return content;
}
}
}
private Control DummyControl
{
get { return m_dummyControl; }
}
[Browsable(false)]
public FloatWindowCollection FloatWindows
{
get { return m_floatWindows; }
}
private Size m_defaultFloatWindowSize = new Size(300, 300);
[Category("Layout")]
[LocalizedDescription("DockPanel_DefaultFloatWindowSize_Description")]
public Size DefaultFloatWindowSize
{
get { return m_defaultFloatWindowSize; }
set { m_defaultFloatWindowSize = value; }
}
private bool ShouldSerializeDefaultFloatWindowSize()
{
return DefaultFloatWindowSize != new Size(300, 300);
}
private void ResetDefaultFloatWindowSize()
{
DefaultFloatWindowSize = new Size(300, 300);
}
private DocumentStyle m_documentStyle = DocumentStyle.DockingMdi;
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_DocumentStyle_Description")]
[DefaultValue(DocumentStyle.DockingMdi)]
public DocumentStyle DocumentStyle
{
get { return m_documentStyle; }
set
{
if (value == m_documentStyle)
return;
if (!Enum.IsDefined(typeof(DocumentStyle), value))
throw new InvalidEnumArgumentException();
if (value == DocumentStyle.SystemMdi && DockWindows[DockState.Document].VisibleNestedPanes.Count > 0)
throw new InvalidEnumArgumentException();
m_documentStyle = value;
SuspendLayout(true);
SetAutoHideWindowParent();
SetMdiClient();
InvalidateWindowRegion();
foreach (IDockContent content in Contents)
{
if (content.DockHandler.DockState == DockState.Document)
content.DockHandler.SetPaneAndVisible(content.DockHandler.Pane);
}
PerformMdiClientLayout();
ResumeLayout(true, true);
}
}
private bool _supprtDeeplyNestedContent = false;
[LocalizedCategory("Category_Performance")]
[LocalizedDescription("DockPanel_SupportDeeplyNestedContent_Description")]
[DefaultValue(false)]
public bool SupportDeeplyNestedContent
{
get { return _supprtDeeplyNestedContent; }
set { _supprtDeeplyNestedContent = value; }
}
[LocalizedCategory("Category_Docking")]
[LocalizedDescription("DockPanel_ShowAutoHideContentOnHover_Description")]
[DefaultValue(true)]
public bool ShowAutoHideContentOnHover { get; set; }
public int GetDockWindowSize(DockState dockState)
{
if (dockState == DockState.DockLeft || dockState == DockState.DockRight)
{
int width = ClientRectangle.Width - DockPadding.Left - DockPadding.Right;
int dockLeftSize = m_dockLeftPortion >= 1 ? (int)m_dockLeftPortion : (int)(width * m_dockLeftPortion);
int dockRightSize = m_dockRightPortion >= 1 ? (int)m_dockRightPortion : (int)(width * m_dockRightPortion);
if (dockLeftSize < MeasurePane.MinSize)
dockLeftSize = MeasurePane.MinSize;
if (dockRightSize < MeasurePane.MinSize)
dockRightSize = MeasurePane.MinSize;
if (dockLeftSize + dockRightSize > width - MeasurePane.MinSize)
{
int adjust = (dockLeftSize + dockRightSize) - (width - MeasurePane.MinSize);
dockLeftSize -= adjust / 2;
dockRightSize -= adjust / 2;
}
return dockState == DockState.DockLeft ? dockLeftSize : dockRightSize;
}
else if (dockState == DockState.DockTop || dockState == DockState.DockBottom)
{
int height = ClientRectangle.Height - DockPadding.Top - DockPadding.Bottom;
int dockTopSize = m_dockTopPortion >= 1 ? (int)m_dockTopPortion : (int)(height * m_dockTopPortion);
int dockBottomSize = m_dockBottomPortion >= 1 ? (int)m_dockBottomPortion : (int)(height * m_dockBottomPortion);
if (dockTopSize < MeasurePane.MinSize)
dockTopSize = MeasurePane.MinSize;
if (dockBottomSize < MeasurePane.MinSize)
dockBottomSize = MeasurePane.MinSize;
if (dockTopSize + dockBottomSize > height - MeasurePane.MinSize)
{
int adjust = (dockTopSize + dockBottomSize) - (height - MeasurePane.MinSize);
dockTopSize -= adjust / 2;
dockBottomSize -= adjust / 2;
}
return dockState == DockState.DockTop ? dockTopSize : dockBottomSize;
}
else
return 0;
}
protected override void OnLayout(LayoutEventArgs levent)
{
SuspendLayout(true);
AutoHideStripControl.Bounds = ClientRectangle;
CalculateDockPadding();
DockWindows[DockState.DockLeft].Width = GetDockWindowSize(DockState.DockLeft);
DockWindows[DockState.DockRight].Width = GetDockWindowSize(DockState.DockRight);
DockWindows[DockState.DockTop].Height = GetDockWindowSize(DockState.DockTop);
DockWindows[DockState.DockBottom].Height = GetDockWindowSize(DockState.DockBottom);
AutoHideWindow.Bounds = GetAutoHideWindowBounds(AutoHideWindowRectangle);
DockWindows[DockState.Document].BringToFront();
AutoHideWindow.BringToFront();
base.OnLayout(levent);
if (DocumentStyle == DocumentStyle.SystemMdi && MdiClientExists)
{
SetMdiClientBounds(SystemMdiClientBounds);
InvalidateWindowRegion();
}
else if (DocumentStyle == DocumentStyle.DockingMdi)
InvalidateWindowRegion();
ResumeLayout(true, true);
}
internal Rectangle GetTabStripRectangle(DockState dockState)
{
return AutoHideStripControl.GetTabStripRectangle(dockState);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (DockBackColor == BackColor) return;
Graphics g = e.Graphics;
SolidBrush bgBrush = new SolidBrush(DockBackColor);
g.FillRectangle(bgBrush, ClientRectangle);
}
internal void AddContent(IDockContent content)
{
if (content == null)
throw(new ArgumentNullException());
if (!Contents.Contains(content))
{
Contents.Add(content);
OnContentAdded(new DockContentEventArgs(content));
}
}
internal void AddPane(DockPane pane)
{
if (Panes.Contains(pane))
return;
Panes.Add(pane);
}
internal void AddFloatWindow(FloatWindow floatWindow)
{
if (FloatWindows.Contains(floatWindow))
return;
FloatWindows.Add(floatWindow);
}
private void CalculateDockPadding()
{
DockPadding.All = 0;
int height = AutoHideStripControl.MeasureHeight();
if (AutoHideStripControl.GetNumberOfPanes(DockState.DockLeftAutoHide) > 0)
DockPadding.Left = height;
if (AutoHideStripControl.GetNumberOfPanes(DockState.DockRightAutoHide) > 0)
DockPadding.Right = height;
if (AutoHideStripControl.GetNumberOfPanes(DockState.DockTopAutoHide) > 0)
DockPadding.Top = height;
if (AutoHideStripControl.GetNumberOfPanes(DockState.DockBottomAutoHide) > 0)
DockPadding.Bottom = height;
}
internal void RemoveContent(IDockContent content)
{
if (content == null)
throw(new ArgumentNullException());
if (Contents.Contains(content))
{
Contents.Remove(content);
OnContentRemoved(new DockContentEventArgs(content));
}
}
internal void RemovePane(DockPane pane)
{
if (!Panes.Contains(pane))
return;
Panes.Remove(pane);
}
internal void RemoveFloatWindow(FloatWindow floatWindow)
{
if (!FloatWindows.Contains(floatWindow))
return;
FloatWindows.Remove(floatWindow);
if (FloatWindows.Count != 0)
return;
if (ParentForm == null)
return;
try
{
ParentForm.Focus();
}
catch { }
}
public void SetPaneIndex(DockPane pane, int index)
{
int oldIndex = Panes.IndexOf(pane);
if (oldIndex == -1)
throw(new ArgumentException(Strings.DockPanel_SetPaneIndex_InvalidPane));
if (index < 0 || index > Panes.Count - 1)
if (index != -1)
throw(new ArgumentOutOfRangeException(Strings.DockPanel_SetPaneIndex_InvalidIndex));
if (oldIndex == index)
return;
if (oldIndex == Panes.Count - 1 && index == -1)
return;
Panes.Remove(pane);
if (index == -1)
Panes.Add(pane);
else if (oldIndex < index)
Panes.AddAt(pane, index - 1);
else
Panes.AddAt(pane, index);
}
public void SuspendLayout(bool allWindows)
{
FocusManager.SuspendFocusTracking();
SuspendLayout();
if (allWindows)
SuspendMdiClientLayout();
}
public void ResumeLayout(bool performLayout, bool allWindows)
{
FocusManager.ResumeFocusTracking();
ResumeLayout(performLayout);
if (allWindows)
ResumeMdiClientLayout(performLayout);
}
internal Form ParentForm
{
get
{
if (!IsParentFormValid())
throw new InvalidOperationException(Strings.DockPanel_ParentForm_Invalid);
return GetMdiClientController().ParentForm;
}
}
private bool IsParentFormValid()
{
if (DocumentStyle == DocumentStyle.DockingSdi || DocumentStyle == DocumentStyle.DockingWindow)
return true;
if (!MdiClientExists)
GetMdiClientController().RenewMdiClient();
return (MdiClientExists);
}
protected override void OnParentChanged(EventArgs e)
{
SetAutoHideWindowParent();
GetMdiClientController().ParentForm = (this.Parent as Form);
base.OnParentChanged (e);
}
private void SetAutoHideWindowParent()
{
Control parent;
if (DocumentStyle == DocumentStyle.DockingMdi ||
DocumentStyle == DocumentStyle.SystemMdi)
parent = this.Parent;
else
parent = this;
if (AutoHideWindow.Parent != parent)
{
AutoHideWindow.Parent = parent;
AutoHideWindow.BringToFront();
}
}
protected override void OnVisibleChanged(EventArgs e)
{
base.OnVisibleChanged (e);
if (Visible)
SetMdiClient();
}
private Rectangle SystemMdiClientBounds
{
get
{
if (!IsParentFormValid() || !Visible)
return Rectangle.Empty;
Rectangle rect = ParentForm.RectangleToClient(RectangleToScreen(DocumentWindowBounds));
return rect;
}
}
public Rectangle DocumentWindowBounds
{
get
{
Rectangle rectDocumentBounds = DisplayRectangle;
if (DockWindows[DockState.DockLeft].Visible)
{
rectDocumentBounds.X += DockWindows[DockState.DockLeft].Width;
rectDocumentBounds.Width -= DockWindows[DockState.DockLeft].Width;
}
if (DockWindows[DockState.DockRight].Visible)
rectDocumentBounds.Width -= DockWindows[DockState.DockRight].Width;
if (DockWindows[DockState.DockTop].Visible)
{
rectDocumentBounds.Y += DockWindows[DockState.DockTop].Height;
rectDocumentBounds.Height -= DockWindows[DockState.DockTop].Height;
}
if (DockWindows[DockState.DockBottom].Visible)
rectDocumentBounds.Height -= DockWindows[DockState.DockBottom].Height;
return rectDocumentBounds;
}
}
private PaintEventHandler m_dummyControlPaintEventHandler = null;
private void InvalidateWindowRegion()
{
if (DesignMode)
return;
if (m_dummyControlPaintEventHandler == null)
m_dummyControlPaintEventHandler = new PaintEventHandler(DummyControl_Paint);
DummyControl.Paint += m_dummyControlPaintEventHandler;
DummyControl.Invalidate();
}
void DummyControl_Paint(object sender, PaintEventArgs e)
{
DummyControl.Paint -= m_dummyControlPaintEventHandler;
UpdateWindowRegion();
}
private void UpdateWindowRegion()
{
if (this.DocumentStyle == DocumentStyle.DockingMdi)
UpdateWindowRegion_ClipContent();
else if (this.DocumentStyle == DocumentStyle.DockingSdi ||
this.DocumentStyle == DocumentStyle.DockingWindow)
UpdateWindowRegion_FullDocumentArea();
else if (this.DocumentStyle == DocumentStyle.SystemMdi)
UpdateWindowRegion_EmptyDocumentArea();
}
private void UpdateWindowRegion_FullDocumentArea()
{
SetRegion(null);
}
private void UpdateWindowRegion_EmptyDocumentArea()
{
Rectangle rect = DocumentWindowBounds;
SetRegion(new Rectangle[] { rect });
}
private void UpdateWindowRegion_ClipContent()
{
int count = 0;
foreach (DockPane pane in this.Panes)
{
if (!pane.Visible || pane.DockState != DockState.Document)
continue;
count ++;
}
if (count == 0)
{
SetRegion(null);
return;
}
Rectangle[] rects = new Rectangle[count];
int i = 0;
foreach (DockPane pane in this.Panes)
{
if (!pane.Visible || pane.DockState != DockState.Document)
continue;
rects[i] = RectangleToClient(pane.RectangleToScreen(pane.ContentRectangle));
i++;
}
SetRegion(rects);
}
private Rectangle[] m_clipRects = null;
private void SetRegion(Rectangle[] clipRects)
{
if (!IsClipRectsChanged(clipRects))
return;
m_clipRects = clipRects;
if (m_clipRects == null || m_clipRects.GetLength(0) == 0)
Region = null;
else
{
Region region = new Region(new Rectangle(0, 0, this.Width, this.Height));
foreach (Rectangle rect in m_clipRects)
region.Exclude(rect);
if (Region != null)
{
Region.Dispose();
}
Region = region;
}
}
private bool IsClipRectsChanged(Rectangle[] clipRects)
{
if (clipRects == null && m_clipRects == null)
return false;
else if ((clipRects == null) != (m_clipRects == null))
return true;
foreach (Rectangle rect in clipRects)
{
bool matched = false;
foreach (Rectangle rect2 in m_clipRects)
{
if (rect == rect2)
{
matched = true;
break;
}
}
if (!matched)
return true;
}
foreach (Rectangle rect2 in m_clipRects)
{
bool matched = false;
foreach (Rectangle rect in clipRects)
{
if (rect == rect2)
{
matched = true;
break;
}
}
if (!matched)
return true;
}
return false;
}
private static readonly object ActiveAutoHideContentChangedEvent = new object();
[LocalizedCategory("Category_DockingNotification")]
[LocalizedDescription("DockPanel_ActiveAutoHideContentChanged_Description")]
public event EventHandler ActiveAutoHideContentChanged
{
add { Events.AddHandler(ActiveAutoHideContentChangedEvent, value); }
remove { Events.RemoveHandler(ActiveAutoHideContentChangedEvent, value); }
}
protected virtual void OnActiveAutoHideContentChanged(EventArgs e)
{
EventHandler handler = (EventHandler)Events[ActiveAutoHideContentChangedEvent];
if (handler != null)
handler(this, e);
}
private void m_autoHideWindow_ActiveContentChanged(object sender, EventArgs e)
{
OnActiveAutoHideContentChanged(e);
}
private static readonly object ContentAddedEvent = new object();
[LocalizedCategory("Category_DockingNotification")]
[LocalizedDescription("DockPanel_ContentAdded_Description")]
public event EventHandler<DockContentEventArgs> ContentAdded
{
add { Events.AddHandler(ContentAddedEvent, value); }
remove { Events.RemoveHandler(ContentAddedEvent, value); }
}
protected virtual void OnContentAdded(DockContentEventArgs e)
{
EventHandler<DockContentEventArgs> handler = (EventHandler<DockContentEventArgs>)Events[ContentAddedEvent];
if (handler != null)
handler(this, e);
}
private static readonly object ContentRemovedEvent = new object();
[LocalizedCategory("Category_DockingNotification")]
[LocalizedDescription("DockPanel_ContentRemoved_Description")]
public event EventHandler<DockContentEventArgs> ContentRemoved
{
add { Events.AddHandler(ContentRemovedEvent, value); }
remove { Events.RemoveHandler(ContentRemovedEvent, value); }
}
protected virtual void OnContentRemoved(DockContentEventArgs e)
{
EventHandler<DockContentEventArgs> handler = (EventHandler<DockContentEventArgs>)Events[ContentRemovedEvent];
if (handler != null)
handler(this, e);
}
internal void ReloadDockWindows()
{
var old = m_dockWindows;
LoadDockWindows();
foreach (var dockWindow in old)
{
Controls.Remove(dockWindow);
dockWindow.Dispose();
}
}
internal void LoadDockWindows()
{
m_dockWindows = new DockWindowCollection(this);
foreach (var dockWindow in DockWindows)
{
Controls.Add(dockWindow);
}
}
public void ResetAutoHideStripWindow()
{
var old = m_autoHideWindow;
m_autoHideWindow = Extender.AutoHideWindowFactory.CreateAutoHideWindow(this);
m_autoHideWindow.Visible = false;
SetAutoHideWindowParent();
old.Visible = false;
old.Parent = null;
old.Dispose();
}
}
}
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