private void FloatingPane_EndDrag(object sender, EventArgs e)
{
System.Diagnostics.Trace.Assert(sender is FloatingPane, System.Reflection.MethodBase.GetCurrentMethod().Name + ": sender not a FloatingPane");
Application.Current.Dispatcher.Invoke(delegate
{
FloatingPane floatingPane = sender as FloatingPane;
if (
(floatingPane == null) ||
((SelectedPane != null) && !(SelectedPane is FloatingPane) && !(SelectedPane.Parent is SplitterPane) && !(SelectedPane.Parent is DocumentPanel) && (SelectedPane.Parent != IFloatingPaneHost.RootGrid)) ||
(_insertionIndicatorManager == null) ||
(_insertionIndicatorManager.WindowLocation == WindowLocation.None)
)
{
if (floatingPane != null)
{
floatingPane.Close();
}
CancelSelection();
return;
}
ISelectablePane selectedPane = SelectedPane;
WindowLocation windowLocation = _insertionIndicatorManager.WindowLocation;
CancelSelection();
if (selectedPane is FloatingPane)
{
IFloatingPane selectedFloatingPane = selectedPane as IFloatingPane;
selectedFloatingPane.IViewContainer.ExtractDocuments(floatingPane.IViewContainer);
if (floatingPane is FloatingToolPaneGroup)
{
FloatingToolPaneGroups.Remove(floatingPane);
}
else
{
FloatingDocumentPaneGroups.Remove(floatingPane);
}
floatingPane.Close();
}
else
{
IFloatingPaneHost.Unfloat(floatingPane, selectedPane as SelectablePane, windowLocation);
}
Application.Current.MainWindow.Activate();
});
}
private void FloatingWindow_LocationChanged(object sender, EventArgs e)
{
System.Diagnostics.Trace.Assert(sender is FloatingPane);
Window floatingWindow = sender as Window;
Point cursorPositionOnScreen = OpenControls.Wpf.Utilities.Windows.GetCursorPosition();
ISelectablePane previousPane = SelectedPane;
bool foundSelectedPane = false;
int windowCount = 0;
List <IntPtr> hWnds = new List <IntPtr>();
Dictionary <IntPtr, IFloatingPane> dict = new Dictionary <IntPtr, IFloatingPane>();
List <IFloatingPane> floatingPanes = (sender is FloatingToolPaneGroup) ? FloatingToolPaneGroups : FloatingDocumentPaneGroups;
foreach (IFloatingPane iFloatingPane in floatingPanes)
{
if (iFloatingPane != sender)
{
Point cursorPositionInFloatingPane = (iFloatingPane as FloatingPane).PointFromScreen(cursorPositionOnScreen);
ViewContainer viewContainer = (iFloatingPane.IViewContainer as ViewContainer);
if (
(cursorPositionInFloatingPane.X >= 0) &&
(cursorPositionInFloatingPane.X <= iFloatingPane.ActualWidth) &&
(cursorPositionInFloatingPane.Y >= 0) &&
(cursorPositionInFloatingPane.Y <= iFloatingPane.ActualHeight)
)
{
var wih = new System.Windows.Interop.WindowInteropHelper((iFloatingPane as FloatingPane));
hWnds.Add(wih.Handle);
dict.Add(wih.Handle, iFloatingPane);
windowCount++;
}
}
}
if (windowCount > 0)
{
IntPtr intPtr = GetTopmostWindow(hWnds);
if (dict.ContainsKey(intPtr))
{
foundSelectedPane = true;
IFloatingPane iFloatingPane = dict[intPtr];
if (SelectedPane != null)
{
SelectedPane.IsHighlighted = false;
}
if (SelectedPane != iFloatingPane)
{
_windowLocationPane?.Close();
_windowLocationPane = null;
SelectedPane = iFloatingPane;
iFloatingPane.IsHighlighted = true;
_windowLocationPane = new WindowLocationPane();
_windowLocationPane.AllowsTransparency = true;
_windowLocationPane.ShowIcons(WindowLocation.Middle);
ViewContainer viewContainer = (iFloatingPane.IViewContainer as ViewContainer);
Point topLeftPanePoint = viewContainer.PointToScreen(new Point(0, 0));
PresentationSource source = PresentationSource.FromVisual(viewContainer);
double dpix = source.CompositionTarget.TransformToDevice.M11;
double dpiy = source.CompositionTarget.TransformToDevice.M22;
_windowLocationPane.Left = topLeftPanePoint.X / dpix;
_windowLocationPane.Top = topLeftPanePoint.Y / dpiy;
_windowLocationPane.Width = viewContainer.ActualWidth;
_windowLocationPane.Height = viewContainer.ActualHeight;
_windowLocationPane.Show();
}
_sideLocationPane?.Close();
_sideLocationPane = null;
}
}
if (!foundSelectedPane)
{
Point cursorPositionInMainWindow = IFloatingPaneHost.RootGrid.PointFromScreen(cursorPositionOnScreen);
if (
(cursorPositionInMainWindow.X >= 0) &&
(cursorPositionInMainWindow.X <= IFloatingPaneHost.RootGrid.ActualWidth) &&
(cursorPositionInMainWindow.Y >= 0) &&
(cursorPositionInMainWindow.Y <= IFloatingPaneHost.RootGrid.ActualHeight)
)
{
Type paneType = (sender is FloatingDocumentPaneGroup) ? typeof(DocumentPaneGroup) : typeof(ToolPaneGroup);
var pane = IFloatingPaneHost.FindSelectablePane(cursorPositionOnScreen);
foundSelectedPane = pane != null;
if ((pane != null) && (SelectedPane != pane))
{
if (SelectedPane != null)
{
SelectedPane.IsHighlighted = false;
}
pane.IsHighlighted = true;
SelectedPane = pane;
_windowLocationPane?.Close();
_windowLocationPane = null;
if ((paneType == pane.GetType()) || ((pane is DocumentPanel) && (sender is FloatingDocumentPaneGroup)))
{
_windowLocationPane = new WindowLocationPane();
_windowLocationPane.AllowsTransparency = true;
if (SelectedPane is DocumentPanel)
{
_windowLocationPane.ShowIcons(WindowLocation.Middle);
}
Point topLeftPanePoint = pane.PointToScreen(new Point(0, 0));
PresentationSource source = PresentationSource.FromVisual((UIElement)pane);
double dpix = source.CompositionTarget.TransformToDevice.M11;
double dpiy = source.CompositionTarget.TransformToDevice.M22;
_windowLocationPane.Left = topLeftPanePoint.X / dpix;
_windowLocationPane.Top = topLeftPanePoint.Y / dpiy;
_windowLocationPane.Width = SelectedPane.ActualWidth;
_windowLocationPane.Height = SelectedPane.ActualHeight;
_windowLocationPane.Show();
}
}
if (sender is FloatingToolPaneGroup)
{
if (_sideLocationPane == null)
{
_sideLocationPane = new SideLocationPane();
_sideLocationPane.AllowsTransparency = true;
}
Point topLeftRootPoint = IFloatingPaneHost.RootPane.PointToScreen(new Point(0, 0));
PresentationSource source = PresentationSource.FromVisual(IFloatingPaneHost.RootPane);
double dpix = source.CompositionTarget.TransformToDevice.M11;
double dpiy = source.CompositionTarget.TransformToDevice.M22;
_sideLocationPane.Left = topLeftRootPoint.X / dpix;
_sideLocationPane.Top = topLeftRootPoint.Y / dpiy;
_sideLocationPane.Width = IFloatingPaneHost.RootPane.ActualWidth;
_sideLocationPane.Height = IFloatingPaneHost.RootPane.ActualHeight;
_sideLocationPane.Show();
}
}
}
if (!foundSelectedPane)
{
SelectedPane = null;
_windowLocationPane?.Close();
_windowLocationPane = null;
}
if ((previousPane != null) && (SelectedPane != previousPane))
{
previousPane.IsHighlighted = false;
}
WindowLocation windowLocation = WindowLocation.None;
if (sender is FloatingDocumentPaneGroup)
{
_sideLocationPane?.Close();
_sideLocationPane = null;
}
if (_sideLocationPane != null)
{
windowLocation = _sideLocationPane.TrySelectIndicator(cursorPositionOnScreen);
switch (windowLocation)
{
case WindowLocation.LeftSide:
case WindowLocation.RightSide:
case WindowLocation.TopSide:
case WindowLocation.BottomSide:
if ((_insertionIndicatorManager != null) && (_insertionIndicatorManager.ParentGrid != IFloatingPaneHost))
{
_insertionIndicatorManager.HideInsertionIndicator();
_insertionIndicatorManager = null;
}
if (_insertionIndicatorManager == null)
{
_insertionIndicatorManager = new InsertionIndicatorManager(IFloatingPaneHost.RootGrid);
}
_insertionIndicatorManager.ShowInsertionIndicator(windowLocation);
return;
}
}
if ((_windowLocationPane != null) && (SelectedPane != null))
{
windowLocation = _windowLocationPane.TrySelectIndicator(cursorPositionOnScreen);
if ((_insertionIndicatorManager != null) && (_insertionIndicatorManager.ParentGrid != SelectedPane))
{
_insertionIndicatorManager.HideInsertionIndicator();
_insertionIndicatorManager = null;
}
if (_insertionIndicatorManager == null)
{
if (SelectedPane is IFloatingPane)
{
_insertionIndicatorManager = new InsertionIndicatorManager(((SelectedPane as IFloatingPane).IViewContainer as ViewContainer));
}
else
{
_insertionIndicatorManager = new InsertionIndicatorManager(SelectedPane as Grid);
}
}
_insertionIndicatorManager.ShowInsertionIndicator(windowLocation);
}
else
{
_insertionIndicatorManager?.HideInsertionIndicator();
_insertionIndicatorManager = null;
}
}