private Rectangle GetWindowSplitterDragRectangle()
{
DockState state;
DockPanel dockPanel;
DockWindow dockWindow = DragControl as DockWindow;
AutoHideWindow autoHideWindow = DragControl as AutoHideWindow;
if (dockWindow != null)
{
state = dockWindow.DockState;
dockPanel = dockWindow.DockPanel;
}
else if (autoHideWindow != null)
{
state = autoHideWindow.DockState;
dockPanel = autoHideWindow.DockPanel;
}
else
{
return(Rectangle.Empty);
}
Rectangle rectLimit = dockPanel.DockArea;
bool bVerticalSplitter;
if (state == DockState.DockLeft || state == DockState.DockRight || state == DockState.DockLeftAutoHide || state == DockState.DockRightAutoHide)
{
rectLimit.X += MeasurePane.MinSize;
rectLimit.Width -= 2 * MeasurePane.MinSize;
rectLimit.Y = DragControl.Location.Y;
rectLimit.Height = DragControl.Height;
bVerticalSplitter = true;
}
else
{
rectLimit.Y += MeasurePane.MinSize;
rectLimit.Height -= 2 * MeasurePane.MinSize;
rectLimit.X = DragControl.Location.X;
rectLimit.Width = DragControl.Width;
bVerticalSplitter = false;
}
rectLimit.Location = dockPanel.PointToScreen(rectLimit.Location);
return(GetSplitterDragRectangle(rectLimit, bVerticalSplitter));
}
private void DockWindowSplitter_OnEndDrag(bool abort)
{
if (abort)
{
return;
}
DockWindow dockWindow = DragControl as DockWindow;
if (dockWindow == null)
{
return;
}
DockPanel dockPanel = dockWindow.DockPanel;
DockState state = dockWindow.DockState;
Point pt = m_splitterLocation;
Rectangle rect = GetWindowSplitterDragRectangle();
Rectangle rectDockArea = dockPanel.DockArea;
if (state == DockState.DockLeft && rectDockArea.Width > 0)
{
dockPanel.DockLeftPortion += ((double)rect.X - (double)pt.X) / (double)rectDockArea.Width;
}
else if (state == DockState.DockRight && rectDockArea.Width > 0)
{
dockPanel.DockRightPortion += ((double)pt.X - (double)rect.X) / (double)rectDockArea.Width;
}
else if (state == DockState.DockBottom && rectDockArea.Height > 0)
{
dockPanel.DockBottomPortion += ((double)pt.Y - (double)rect.Y) / (double)rectDockArea.Height;
}
else if (state == DockState.DockTop && rectDockArea.Height > 0)
{
dockPanel.DockTopPortion += ((double)rect.Y - (double)pt.Y) / (double)rectDockArea.Height;
}
}