public void TestDrop(DockHelper.CursorPoint info)
{
Point pt = info.Cursor;
DockPane = info.Pane;
if (TestDrop(PanelLeft, pt) != DockStyle.None)
{
HitTestResult = PanelLeft;
}
else if (TestDrop(PanelRight, pt) != DockStyle.None)
{
HitTestResult = PanelRight;
}
else if (TestDrop(PanelTop, pt) != DockStyle.None)
{
HitTestResult = PanelTop;
}
else if (TestDrop(PanelBottom, pt) != DockStyle.None)
{
HitTestResult = PanelBottom;
}
else if (TestDrop(PanelFill, pt) != DockStyle.None)
{
HitTestResult = PanelFill;
}
else if (TestDrop(PaneDiamond, pt) != DockStyle.None)
{
HitTestResult = PaneDiamond;
}
else
{
HitTestResult = null;
}
if (HitTestResult != null)
{
if (HitTestResult is IPaneIndicator)
{
DragHandler.Outline.Show(DockPane, HitTestResult.Status);
}
else
{
DragHandler.Outline.Show(DockPanel, HitTestResult.Status, FullPanelEdge);
}
}
}
internal void TestDrop(DockHelper.CursorPoint info, DockOutlineBase dockOutline)
{
if (VisibleNestedPanes.Count == 1)
{
DockPane pane = VisibleNestedPanes[0];
if (!info.DragSource.CanDockTo(pane))
{
return;
}
Point ptMouse = info.Cursor;
uint lParam = Win32Helper.MakeLong(ptMouse.X, ptMouse.Y);
if (!Win32Helper.IsRunningOnMono)
{
if (NativeMethods.SendMessage(Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, lParam) == (uint)Win32.HitTest.HTCAPTION)
{
dockOutline.Show(VisibleNestedPanes[0], -1);
}
}
}
}
private void TestDrop()
{
Outline.FlagTestDrop = false;
Indicator.FullPanelEdge = ((Control.ModifierKeys & Keys.Shift) != 0);
DockHelper.CursorPoint cursorPointInfo = DockHelper.CursorPointInformation(DockPanel, DragSource);
if ((Control.ModifierKeys & Keys.Control) == 0)
{
if (Indicator.Visible == false)
{
// show indicator when the cursor comes into the dock panel area
if (cursorPointInfo.DockPanel != null)
{
Indicator.Show(false);
}
}
Indicator.TestDrop(cursorPointInfo);
if (!Outline.FlagTestDrop)
{
if (cursorPointInfo.Pane != null && DragSource.IsDockStateValid(cursorPointInfo.Pane.DockState))
{
cursorPointInfo.Pane.TestDrop(cursorPointInfo, Outline);
}
}
if (!Outline.FlagTestDrop && DragSource.IsDockStateValid(DockState.Float))
{
if (cursorPointInfo.FloatWindow != null)
{
cursorPointInfo.FloatWindow.TestDrop(cursorPointInfo, Outline);
}
}
}
else
{
Indicator.DockPane = cursorPointInfo.Pane;
}
if (!Outline.FlagTestDrop)
{
Rectangle rect = FloatOutlineBounds;
rect.Offset(Control.MousePosition.X - StartMousePosition.X, Control.MousePosition.Y - StartMousePosition.Y);
// do not show the outline when a user is moving a floating window
if (!(DragSource is FloatWindow) && DragSource.IsDockStateValid(DockState.Float))
{
Outline.Show(rect, true);
}
else
{
Cursor.Current = Cursors.No;
Outline.Show(rect, false);
}
}
if (!Outline.FlagTestDrop)
{
}
else
{
Cursor.Current = DragControl.Cursor;
}
}