private DockPane PaneAtPointNativeFloatingWindows(IDragSource source, double deltaX, double deltaY, out bool stopHitTest)
{
stopHitTest = false;
FloatingWindowCollection floatingWindows = DockControl.FloatingWindows;
Point pt = GetStartMousePosition(_overlayWindow);
pt.Offset(deltaX, deltaY);
for (int i = floatingWindows.Count - 1; i >= 0; i--)
{
FloatingWindow floatingWindow = floatingWindows[i];
if (!floatingWindow.IsVisible)
{
continue;
}
NativeFloatingWindow nativeWindow = NativeFloatingWindow.GetNativeFloatingWindow(floatingWindow);
Rect windowBounds = nativeWindow.GetPreviewBounds(_overlayWindow);
stopHitTest = windowBounds.Contains(pt);
if (stopHitTest)
{
pt = GetStartMousePosition(nativeWindow);
pt.Offset(deltaX, deltaY);
var result = PaneFromHitTestResult(source, VisualTreeHelper.HitTest(nativeWindow, pt));
if (result == null || !source.CanDrop(result))
{
stopHitTest = false;
continue;
}
return(result);
}
}
return(null);
}
/// <summary>Create a new dock container</summary>
public DockContainer()
{
InitializeComponent();
Options = new OptionsData();
m_all_content = new HashSet <DockControl>();
ActiveContentManager = new ActiveContentManager(this);
// The auto hide tab strips dock around the edge of the main dock container
// but remain hidden unless there are auto hide panels with content.
// The rest of the docking area is within 'centre' which contains the
// root branch (filling the canvas) and four AutoHidePanels.
// Add a Canvas for the centre area and add the root branch (filling the canvas)
var centre = new Canvas {
Name = "DockContainerCentre"
};
// Create the auto hide panels
AutoHidePanels = new AutoHidePanelCollection(this, centre);
// Create a collection for floating windows
FloatingWindows = new FloatingWindowCollection(this);
// Add the centre content
Children.Add2(centre);
Root = centre.Children.Add2(new Branch(this, DockSizeData.Quarters));
Root.SetBinding(Branch.WidthProperty, new Binding(nameof(Canvas.ActualWidth))
{
Source = centre
});
Root.SetBinding(Branch.HeightProperty, new Binding(nameof(Canvas.ActualHeight))
{
Source = centre
});
// Ensure the default centre pane exists
Root.PruneBranches();
ActivePane = (DockPane?)Root.Descendants[EDockSite.Centre].Item ?? throw new ArgumentNullException("Expected a DockPane");
// Create Commands
CmdLoadLayout = Command.Create(this, CmdLoadLayoutInternal);
CmdSaveLayout = Command.Create(this, CmdSaveLayoutInternal);
CmdResetLayout = Command.Create(this, CmdResetLayoutInternal);
}
private void TargetAtPointNativeWindows(double deltaX, double deltaY)
{
Point pt = GetStartMousePosition(_overlayWindow);
pt.Offset(deltaX, deltaY);
VisualTreeHelper.HitTest(_overlayWindow, null,
new HitTestResultCallback(TargetAtPointHitTestResultCallback),
new PointHitTestParameters(pt));
if (_targetAtPoint.HasValue)
{
return;
}
FloatingWindowCollection floatingWindows = DockControl.FloatingWindows;
for (int i = floatingWindows.Count - 1; i >= 0; i--)
{
FloatingWindow floatingWindow = floatingWindows[i];
if (!floatingWindow.IsVisible)
{
continue;
}
NativeFloatingWindow nativeWindow = NativeFloatingWindow.GetNativeFloatingWindow(floatingWindow);
if (nativeWindow == null)
{
continue;
}
Rect windowBounds = nativeWindow.GetPreviewBounds(_overlayWindow);
if (windowBounds.Contains(pt))
{
pt = GetStartMousePosition(nativeWindow);
pt.Offset(deltaX, deltaY);
_targetAtPoint = TargetFromHitTestResult(VisualTreeHelper.HitTest(nativeWindow, pt));
if (!_targetAtPoint.HasValue)
{
_targetAtPoint = Target.Empty;
}
return;
}
}
}
private DockPane PaneAtPointWpfFloatingWindows(IDragSource source, double deltaX, double deltaY, out bool stopHitTest)
{
stopHitTest = false;
FloatingWindowCollection floatingWindows = DockControl.FloatingWindows;
Point pt = GetStartMousePosition(_wpfFloatingWindowClient);
pt.Offset(deltaX, deltaY);
for (int i = floatingWindows.Count - 1; i >= 0; i--)
{
FloatingWindow floatingWindow = floatingWindows[i];
if (!floatingWindow.IsVisible)
{
continue;
}
WpfFloatingWindow window = _wpfFloatingWindowClient.ItemContainerGenerator.ContainerFromItem(floatingWindow) as WpfFloatingWindow;
if (window == null)
{
continue;
}
Rect windowBounds = new Rect(window.Left, window.Top, window.ActualWidth, window.ActualHeight);
stopHitTest = windowBounds.Contains(pt);
if (stopHitTest)
{
pt = _wpfFloatingWindowClient.TranslatePoint(pt, window);
var result = PaneFromHitTestResult(source, VisualTreeHelper.HitTest(window, pt));
if (result == null || !source.CanDrop(result))
{
stopHitTest = false;
continue;
}
return(result);
}
}
return(null);
}
