protected override void OnPreviewMouseMove(MouseEventArgs e)
{
base.OnPreviewMouseMove(e);
e.Handled = true;
if (!_mouseLeftButtonDown)
{
return;
}
Point cursorScreenPosition = OpenControls.Wpf.DockManager.Controls.Utilities.GetCursorPosition();
int selectedIndex = GetListBoxItemIndex(cursorScreenPosition);
if ((selectedIndex < 0) || (selectedIndex >= Items.Count) || (selectedIndex == _dragIndex))
{
Point topLeftPoint = PointToScreen(new Point(0, 0));
if (
(cursorScreenPosition.Y < (topLeftPoint.Y - 30)) ||
(cursorScreenPosition.Y > (topLeftPoint.Y + ActualHeight + 15)) ||
(cursorScreenPosition.X < (topLeftPoint.X - 30)) ||
(cursorScreenPosition.X > (topLeftPoint.X + ActualWidth + 15))
)
{
// Cancel further drag processing until we get the next mouse left button down
_mouseLeftButtonDown = false;
System.Windows.Input.Mouse.Capture(this, CaptureMode.None);
System.Diagnostics.Debug.WriteLine("FloatTabRequest: count = " + Items.Count);
FloatTabRequest?.Invoke(this, null);
}
return;
}
Rect rectSelectedItem = GetListBoxItemBounds(selectedIndex);
Rect rectDragItem = GetListBoxItemBounds(_dragIndex);
double selectedWidth = rectSelectedItem.Width;
double currentWidth = rectDragItem.Width;
if (_dragIndex > SelectedIndex)
{
selectedWidth = -selectedWidth;
}
rectDragItem.Offset(selectedWidth, 0);
if (!rectDragItem.Contains(cursorScreenPosition))
{
return;
}
// Move the item along to the new index
var item = Items[_dragIndex];
Items.Remove(item);
Items.Insert(selectedIndex, item);
_dragIndex = selectedIndex;
SelectedIndex = selectedIndex;
ItemsChanged?.Invoke(this, null);
}
private void IViewContainer_FloatTabRequest(object sender, EventArgs e)
{
FloatTabRequest?.Invoke(this, e);
}
protected void _tabHeaderControl_FloatTabRequest(object sender, EventArgs e)
{
FloatTabRequest?.Invoke(this, e);
}
private void _listBox_FloatTabRequest(object sender, EventArgs e)
{
FloatTabRequest?.Invoke(this, null);
}
