protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left && this.DockPane.DockPanel.AllowEndUserDocking && this.DockPane.AllowDockDragAndDrop && !DockHelper.IsDockStateAutoHide(this.DockPane.DockState) && this.DockPane.ActiveContent != null)
{
this.DockPane.DockPanel.BeginDrag(this.DockPane);
}
}
private void RefreshStateChange(INestedPanesContainer oldContainer, DockState oldDockState)
{
lock (this)
{
if (IsRefreshStateChangeSuspended)
{
return;
}
SuspendRefreshStateChange();
}
DockPanel.SuspendLayout(true);
IDockContent contentFocused = GetFocusedContent();
if (contentFocused != null)
{
DockPanel.SaveFocus();
}
SetParent();
if (ActiveContent != null)
{
ActiveContent.DockHandler.SetDockState(ActiveContent.DockHandler.IsHidden, DockState, ActiveContent.DockHandler.Pane);
}
foreach (IDockContent content in Contents)
{
if (content.DockHandler.Pane == this)
{
content.DockHandler.SetDockState(content.DockHandler.IsHidden, DockState, content.DockHandler.Pane);
}
}
if (oldContainer != null)
{
Control oldContainerControl = (Control)oldContainer;
if (oldContainer.DockState == oldDockState && !oldContainerControl.IsDisposed)
{
oldContainerControl.PerformLayout();
}
}
if (DockHelper.IsDockStateAutoHide(oldDockState))
{
DockPanel.RefreshActiveAutoHideContent();
}
if (NestedPanesContainer.DockState == DockState)
{
((Control)NestedPanesContainer).PerformLayout();
}
if (DockHelper.IsDockStateAutoHide(DockState))
{
DockPanel.RefreshActiveAutoHideContent();
}
if (DockHelper.IsDockStateAutoHide(oldDockState) ||
DockHelper.IsDockStateAutoHide(DockState))
{
DockPanel.RefreshAutoHideStrip();
DockPanel.PerformLayout();
}
ResumeRefreshStateChange();
if (contentFocused != null)
{
contentFocused.DockHandler.Activate();
}
DockPanel.ResumeLayout(true, true);
if (oldDockState != DockState)
{
OnDockStateChanged(EventArgs.Empty);
}
}
private Rectangle GetLogicalTabStripRectangle(DockState dockState, bool transformed)
{
if (!DockHelper.IsDockStateAutoHide(dockState))
{
return(Rectangle.Empty);
}
int leftPanes = GetPanes(DockState.DockLeftAutoHide).Count;
int rightPanes = GetPanes(DockState.DockRightAutoHide).Count;
int topPanes = GetPanes(DockState.DockTopAutoHide).Count;
int bottomPanes = GetPanes(DockState.DockBottomAutoHide).Count;
int x, y, width, height;
height = MeasureHeight();
if (dockState == DockState.DockLeftAutoHide && leftPanes > 0)
{
x = 0;
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockRightAutoHide && rightPanes > 0)
{
x = Width - height;
if (leftPanes != 0 && x < height)
{
x = height;
}
y = (topPanes == 0) ? 0 : height;
width = Height - (topPanes == 0 ? 0 : height) - (bottomPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockTopAutoHide && topPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = 0;
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else if (dockState == DockState.DockBottomAutoHide && bottomPanes > 0)
{
x = leftPanes == 0 ? 0 : height;
y = Height - height;
if (topPanes != 0 && y < height)
{
y = height;
}
width = Width - (leftPanes == 0 ? 0 : height) - (rightPanes == 0 ? 0 : height);
}
else
{
return(Rectangle.Empty);
}
if (!transformed)
{
return(new Rectangle(x, y, width, height));
}
else
{
return(GetTransformedRectangle(dockState, new Rectangle(x, y, width, height)));
}
}
internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
{
if (IsSuspendSetDockState)
{
return;
}
if (DockPanel == null && visibleState != DockState.Unknown)
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_NullPanel);
}
if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !IsDockStateValid(visibleState)))
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_InvalidState);
}
DockPanel dockPanel = DockPanel;
if (dockPanel != null)
{
dockPanel.SuspendLayout(true);
}
SuspendSetDockState();
DockState oldDockState = DockState;
if (m_isHidden != isHidden || oldDockState == DockState.Unknown)
{
m_isHidden = isHidden;
}
m_visibleState = visibleState;
m_dockState = isHidden ? DockState.Hidden : visibleState;
if (visibleState == DockState.Unknown)
{
Pane = null;
}
else
{
m_isFloat = (m_visibleState == DockState.Float);
if (Pane == null)
{
Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
}
else if (Pane.DockState != visibleState)
{
if (Pane.Contents.Count == 1)
{
Pane.SetDockState(visibleState);
}
else
{
Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
}
}
}
if (Form.ContainsFocus)
{
if (DockState == DockState.Hidden || DockState == DockState.Unknown)
{
DockPanel.ContentFocusManager.GiveUpFocus(Content);
}
}
SetPaneAndVisible(Pane);
if (oldPane != null && !oldPane.IsDisposed && oldDockState == oldPane.DockState)
{
RefreshDockPane(oldPane);
}
if (Pane != null && DockState == Pane.DockState)
{
if ((Pane != oldPane) ||
(Pane == oldPane && oldDockState != oldPane.DockState))
{
// Avoid early refresh of hidden AutoHide panes
if ((Pane.DockWindow == null || Pane.DockWindow.Visible || Pane.IsHidden) && !Pane.IsAutoHide)
{
RefreshDockPane(Pane);
}
}
}
if (oldDockState != DockState)
{
if (DockState == DockState.Hidden || DockState == DockState.Unknown ||
DockHelper.IsDockStateAutoHide(DockState))
{
DockPanel.ContentFocusManager.RemoveFromList(Content);
}
else
{
DockPanel.ContentFocusManager.AddToList(Content);
}
OnDockStateChanged(EventArgs.Empty);
}
ResumeSetDockState();
if (dockPanel != null)
{
dockPanel.ResumeLayout(true, true);
}
}
public bool IsDockStateValid(DockState dockState)
{
return((this.DockPanel == null || dockState != DockState.Document || this.DockPanel.DocumentStyle != DocumentStyle.SystemMdi) && DockHelper.IsDockStateValid(dockState, this.DockAreas));
}
internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
{
if (!this.IsSuspendSetDockState)
{
if (this.DockPanel == null && visibleState != DockState.Unknown)
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_NullPanel);
}
if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !this.IsDockStateValid(visibleState)))
{
throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_InvalidState);
}
DockPanel dockPanel = this.DockPanel;
if (dockPanel != null)
{
dockPanel.SuspendLayout(true);
}
this.SuspendSetDockState();
DockState dockState = this.DockState;
if (this.m_isHidden != isHidden || dockState == DockState.Unknown)
{
this.m_isHidden = isHidden;
}
this.m_visibleState = visibleState;
this.m_dockState = (isHidden ? DockState.Hidden : visibleState);
if (visibleState == DockState.Unknown)
{
this.Pane = null;
}
else
{
this.m_isFloat = (this.m_visibleState == DockState.Float);
if (this.Pane == null)
{
this.Pane = this.DockPanel.DockPaneFactory.CreateDockPane(this.Content, visibleState, true);
}
else
{
if (this.Pane.DockState != visibleState)
{
if (this.Pane.Contents.Count == 1)
{
this.Pane.SetDockState(visibleState);
}
else
{
this.Pane = this.DockPanel.DockPaneFactory.CreateDockPane(this.Content, visibleState, true);
}
}
}
}
if (this.Form.ContainsFocus && (this.DockState == DockState.Hidden || this.DockState == DockState.Unknown))
{
this.DockPanel.ContentFocusManager.GiveUpFocus(this.Content);
}
this.SetPaneAndVisible(this.Pane);
if (oldPane != null && !oldPane.IsDisposed && dockState == oldPane.DockState)
{
DockContentHandler.RefreshDockPane(oldPane);
}
if (this.Pane != null && this.DockState == this.Pane.DockState)
{
if ((this.Pane != oldPane || (this.Pane == oldPane && dockState != oldPane.DockState)) && (this.Pane.DockWindow == null || this.Pane.DockWindow.Visible || this.Pane.IsHidden) && !this.Pane.IsAutoHide)
{
DockContentHandler.RefreshDockPane(this.Pane);
}
}
if (dockState != this.DockState)
{
if (this.DockState == DockState.Hidden || this.DockState == DockState.Unknown || DockHelper.IsDockStateAutoHide(this.DockState))
{
this.DockPanel.ContentFocusManager.RemoveFromList(this.Content);
}
else
{
this.DockPanel.ContentFocusManager.AddToList(this.Content);
}
this.OnDockStateChanged(EventArgs.Empty);
}
this.ResumeSetDockState();
if (dockPanel != null)
{
dockPanel.ResumeLayout(true, true);
}
}
}
private void AutoHide_Click(object sender, EventArgs e)
{
DockPane.DockState = DockHelper.ToggleAutoHideState(DockPane.DockState);
}
private Rectangle GetLogicalTabStripRectangle(DockState dockState, bool transformed)
{
checked
{
Rectangle result;
if (!DockHelper.IsDockStateAutoHide(dockState))
{
result = Rectangle.Empty;
}
else
{
int count = base.GetPanes(DockState.DockLeftAutoHide).Count;
int count2 = base.GetPanes(DockState.DockRightAutoHide).Count;
int count3 = base.GetPanes(DockState.DockTopAutoHide).Count;
int count4 = base.GetPanes(DockState.DockBottomAutoHide).Count;
int num = this.MeasureHeight();
int num2;
int num3;
int width;
if (dockState == DockState.DockLeftAutoHide && count > 0)
{
num2 = 0;
num3 = ((count3 == 0) ? 0 : num);
width = base.Height - ((count3 == 0) ? 0 : num) - ((count4 == 0) ? 0 : num);
}
else
{
if (dockState == DockState.DockRightAutoHide && count2 > 0)
{
num2 = base.Width - num;
if (count != 0 && num2 < num)
{
num2 = num;
}
num3 = ((count3 == 0) ? 0 : num);
width = base.Height - ((count3 == 0) ? 0 : num) - ((count4 == 0) ? 0 : num);
}
else
{
if (dockState == DockState.DockTopAutoHide && count3 > 0)
{
num2 = ((count == 0) ? 0 : num);
num3 = 0;
width = base.Width - ((count == 0) ? 0 : num) - ((count2 == 0) ? 0 : num);
}
else
{
if (dockState != DockState.DockBottomAutoHide || count4 <= 0)
{
result = Rectangle.Empty;
return(result);
}
num2 = ((count == 0) ? 0 : num);
num3 = base.Height - num;
if (count3 != 0 && num3 < num)
{
num3 = num;
}
width = base.Width - ((count == 0) ? 0 : num) - ((count2 == 0) ? 0 : num);
}
}
}
if (!transformed)
{
result = new Rectangle(num2, num3, width, num);
}
else
{
result = this.GetTransformedRectangle(dockState, new Rectangle(num2, num3, width, num));
}
}
return(result);
}
}