private IntPtr FilterMessage(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
switch (msg)
{
case WM_CLOSE:
if (FloatingWindow != null && FloatingWindow.DockControl != null)
{
PerformClose();
handled = true;
}
break;
case WM_NCLBUTTONDOWN:
if (wParam.ToInt32() == HTCAPTION && WindowState != WindowState.Maximized)
{
short x = (short)((lParam.ToInt32() & 0xFFFF));
short y = (short)((lParam.ToInt32() >> 16));
Point pt = new Point(x, y);
DockManager.BeginDrag(this, this, pt);
}
break;
case WM_NCLBUTTONDBLCLK:
if (wParam.ToInt32() == HTCAPTION)
{
handled = DockCommands.Execute(this, DoubleClickCommand);
}
break;
case WM_NCRBUTTONDOWN:
if (wParam.ToInt32() == HTCAPTION && FloatingWindow.CountOfVisiblePanes == 1)
{
short x = (short)((lParam.ToInt32() & 0xFFFF));
short y = (short)((lParam.ToInt32() >> 16));
ContextMenu menu = FloatingWindow.FirstVisiblePane.SelectedItem.TabContextMenu;
if (menu != null)
{
menu.Placement = PlacementMode.AbsolutePoint;
menu.PlacementRectangle = new Rect(new Point(x, y), new Size(0, 0));
menu.PlacementTarget = this;
menu.IsOpen = true;
}
}
handled = true;
break;
}
return(IntPtr.Zero);
}
/// <exclude />
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
if (e.Handled || !DockManager.CanDrag(e))
return;
if (e.ClickCount == 1)
{
DockManager.BeginDrag(this, this, e);
e.Handled = true;
}
else if (e.ClickCount == 2)
e.Handled = DockCommands.Execute(this, DoubleClickCommand);
}
void Refresh()
{
if (DockControl == null)
{
return;
}
LeftSplitterWidth = ConvertSplitterSize(DockControl.LeftDockTree.IsVisible);
RightSplitterWidth = ConvertSplitterSize(DockControl.RightDockTree.IsVisible);
TopSplitterHeight = ConvertSplitterSize(DockControl.TopDockTree.IsVisible);
BottomSplitterHeight = ConvertSplitterSize(DockControl.BottomDockTree.IsVisible);
IsLeftGuideVisible = DockManager.GetShowsLeftGuide(DockControl);
IsRightGuideVisible = DockManager.GetShowsRightGuide(DockControl);
IsTopGuideVisible = DockManager.GetShowsTopGuide(DockControl);
IsBottomGuideVisible = DockManager.GetShowsBottomGuide(DockControl);
IsDocumentGuideVisible = DockManager.GetShowsFillGuide(DockControl);
LeftTreeWidth = RightTreeWidth = TopTreeHeight = BottomTreeHeight = new GridLength();
DockTreeClient dockTreeClient = FindVisualChild <DockTreeClient>(DockControl);
foreach (DockTreeControl dockTreeControl in FindVisualChildren <DockTreeControl>(dockTreeClient))
{
DockTree dockTree = dockTreeControl.DockTree;
if (dockTree == null)
{
continue;
}
if (dockTree.Position == DockTreePosition.Left)
{
LeftTreeWidth = new GridLength(dockTreeControl.ActualWidth);
}
else if (dockTree.Position == DockTreePosition.Right)
{
RightTreeWidth = new GridLength(dockTreeControl.ActualWidth);
}
else if (dockTree.Position == DockTreePosition.Top)
{
TopTreeHeight = new GridLength(dockTreeControl.ActualHeight);
}
else if (dockTree.Position == DockTreePosition.Bottom)
{
BottomTreeHeight = new GridLength(dockTreeControl.ActualHeight);
}
}
}
private void Attach(FrameworkElement associatedElement)
{
Debug.Assert(associatedElement != null);
if (AssociatedElement != null)
{
throw new InvalidOperationException(SR.Exception_OverlayActivator_HostMultipleTimes);
}
if (!associatedElement.IsLoaded)
{
return;
}
AssociatedElement = associatedElement;
Container = new ContentPresenter();
Container.Content = Content ?? AssociatedElement;
Container.ContentTemplate = ContentTemplate;
Container.ContentTemplateSelector = ContentTemplateSelector;
DockManager.AddOverlay(this);
}
/// <exclude />
protected override void OnMouseRightButtonDown(MouseButtonEventArgs e)
{
base.OnMouseRightButtonDown(e);
if (e.Handled || !DockManager.CanDrag(e))
{
return;
}
if (FloatingWindow.CountOfVisiblePanes == 1)
{
Point pt = e.GetPosition(this);
ContextMenu menu = FloatingWindow.FirstVisiblePane.SelectedItem.TabContextMenu;
if (menu != null)
{
menu.Placement = PlacementMode.RelativePoint;
menu.PlacementRectangle = new Rect(pt, new Size(0, 0));
menu.PlacementTarget = this;
menu.IsOpen = true;
}
e.Handled = true;
}
}
/// <exclude />
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
if (e.Handled)
{
return;
}
if (e.ClickCount == 1)
{
DockItem dockItem = DockItem;
if (dockItem != null)
{
dockItem.Activate();
UpdateLayout(); // Fix in 2.0.4846: this can avoid unnecessary mouse move event caused by layout change
}
DockManager.BeginDrag(this, this, e);
e.Handled = true;
}
else if (e.ClickCount == 2)
{
e.Handled = DockCommands.Execute(this, DoubleClickCommand);
}
}
bool IDragSource.CanDrop(DockPane targetPane)
{
return(DockManager.CanDrop(DockPane, targetPane));
}
bool IDragSource.CanDrop(DockTreePosition dockTreePosition)
{
return(DockManager.CanDrop(DockPane, dockTreePosition));
}
Rect IDragSource.GetFloatingWindowPreview(RelativePoint mouseStartPosition)
{
return(DockManager.GetDefaultFloatingPreview(DockControl, mouseStartPosition.Point));
}
private static void OnToggleFloatingExecuted(object sender, ExecutedRoutedEventArgs e)
{
DockManager.ToggleFloating(((AutoHideWindow)sender).DockItem);
}
private static void OnToggleFloatingExecuted(object sender, ExecutedRoutedEventArgs e)
{
DockManager.ToggleFloating(((DockWindow)sender).DockPane);
}
void IDragSource.Drop(DockPane targetPane, DockPanePreviewPlacement placement)
{
DockManager.Drop(DockPane, targetPane, placement);
}
void IDragSource.Drop(Dock dock, bool sendToBack)
{
DockManager.Drop(DockPane, dock, sendToBack);
}
void IDragSource.Drop()
{
DockManager.Drop(FloatingWindow);
}
void IDragSource.Drop(Dock dock, bool sendToBack)
{
DockManager.Drop(FloatingWindow, dock, sendToBack);
}
bool IDragSource.CanDrop(DockItem targetItem)
{
return(DockManager.CanDrop(FloatingWindow, targetItem));
}
bool IDragSource.CanDrop(DockPane targetPane)
{
return(DockManager.CanDrop(FloatingWindow, targetPane));
}
bool IDragSource.CanDrop(DockTreePosition dockTreePosition)
{
return(DockManager.CanDrop(FloatingWindow, dockTreePosition));
}
bool IDragSource.CanDrop(DockPane targetPane)
{
return DockManager.CanDrop(DockItem, targetPane);
}
bool IDragSource.CanDrop(DockItem targetItem)
{
return(DockManager.CanDrop(DockPane, targetItem));
}
void IDragSource.Drop()
{
DockManager.Drop(DockPane);
}
void IDragSource.Drop(DockItem targetItem)
{
DockManager.Drop(FloatingWindow, targetItem);
}
void IDragSource.Drop(Rect floatingWindowBounds)
{
DockManager.Drop(DockPane, floatingWindowBounds);
}
bool IDragSource.CanDrop(DockTreePosition dockTreePosition)
{
return DockManager.CanDrop(DockItem, dockTreePosition);
}
void IDragSource.Drop(DockItem targetItem)
{
DockManager.Drop(DockPane, targetItem);
}
void IDragSource.Drop()
{
DockManager.Drop(DockItem);
}
void OnToggleFloatingExecuted()
{
DockManager.ToggleFloating(FloatingWindow);
}
bool IDragSource.CanDrop(DockItem targetItem)
{
return DockManager.CanDrop(DockItem, targetItem);
}