protected override void WndProc(ref Message m)
{
if (m.Msg == (int)Msgs.WM_NCLBUTTONDOWN)
{
if (IsDisposed)
{
return;
}
uint result = NativeMethods.SendMessage(this.Handle, (int)Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
if (result == 2 && DockPanel.AllowEndUserDocking && this.AllowEndUserDocking) // HITTEST_CAPTION
{
Activate();
m_dockPanel.BeginDrag(this);
}
else
{
base.WndProc(ref m);
}
return;
}
else if (m.Msg == (int)Msgs.WM_NCRBUTTONDOWN)
{
uint result = NativeMethods.SendMessage(this.Handle, (int)Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
if (result == 2) // HITTEST_CAPTION
{
DockPane theOnlyPane = (VisibleNestedPanes.Count == 1) ? VisibleNestedPanes[0] : null;
if (theOnlyPane != null && theOnlyPane.ActiveContent != null)
{
theOnlyPane.ShowTabPageContextMenu(this, PointToClient(Control.MousePosition));
return;
}
}
base.WndProc(ref m);
return;
}
else if (m.Msg == (int)Msgs.WM_CLOSE)
{
if (NestedPanes.Count == 0)
{
base.WndProc(ref m);
return;
}
for (int i = NestedPanes.Count - 1; i >= 0; i--)
{
DockContentCollection contents = NestedPanes[i].Contents;
for (int j = contents.Count - 1; j >= 0; j--)
{
IDockContent content = contents[j];
if (content.DockHandler.DockState != DockState.Float)
{
continue;
}
if (!content.DockHandler.CloseButton)
{
continue;
}
if (content.DockHandler.HideOnClose)
{
content.DockHandler.Hide();
}
else
{
content.DockHandler.Close();
}
}
}
return;
}
else if (m.Msg == (int)Msgs.WM_NCLBUTTONDBLCLK)
{
uint result = NativeMethods.SendMessage(this.Handle, (int)Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
if (result != 2) // HITTEST_CAPTION
{
base.WndProc(ref m);
return;
}
DockPanel.SuspendLayout(true);
// Restore to panel
foreach (DockPane pane in NestedPanes)
{
if (pane.DockState != DockState.Float)
{
continue;
}
pane.RestoreToPanel();
}
DockPanel.ResumeLayout(true, true);
return;
}
else if (m.Msg == WM_CHECKDISPOSE)
{
if (NestedPanes.Count == 0)
{
Dispose();
}
return;
}
base.WndProc(ref m);
}
private void InternalConstruct(IDockContent content, DockState dockState, bool flagBounds, Rectangle floatWindowBounds, DockPane prevPane, DockAlignment alignment, double proportion, bool show)
{
if (dockState == DockState.Hidden || dockState == DockState.Unknown)
{
throw new ArgumentException(Strings.DockPane_SetDockState_InvalidState);
}
if (content == null)
{
throw new ArgumentNullException(Strings.DockPane_Constructor_NullContent);
}
if (content.DockHandler.DockPanel == null)
{
throw new ArgumentException(Strings.DockPane_Constructor_NullDockPanel);
}
SuspendLayout();
SetStyle(ControlStyles.Selectable, false);
m_isFloat = (dockState == DockState.Float);
m_contents = new DockContentCollection();
m_displayingContents = new DockContentCollection(this);
m_dockPanel = content.DockHandler.DockPanel;
m_dockPanel.AddPane(this);
m_splitter = new SplitterControl(this);
m_nestedDockingStatus = new NestedDockingStatus(this);
m_captionControl = DockPanel.DockPaneCaptionFactory.CreateDockPaneCaption(this);
m_tabStripControl = DockPanel.DockPaneStripFactory.CreateDockPaneStrip(this);
Controls.AddRange(new Control[] { m_captionControl, m_tabStripControl });
DockPanel.SuspendLayout(true);
if (flagBounds)
{
FloatWindow = DockPanel.FloatWindowFactory.CreateFloatWindow(DockPanel, this, floatWindowBounds);
}
else if (prevPane != null)
{
DockTo(prevPane.NestedPanesContainer, prevPane, alignment, proportion);
}
SetDockState(dockState);
if (show)
{
content.DockHandler.Pane = this;
}
else if (this.IsFloat)
{
content.DockHandler.FloatPane = this;
}
else
{
content.DockHandler.PanelPane = this;
}
ResumeLayout();
DockPanel.ResumeLayout(true, true);
}