/// <summary>
/// Given a break slider's new position, this will update the category related to that break.
/// </summary>
/// <param name="slider">The break slider.</param>
public void UpdateCategory(BreakSlider slider)
{
slider.Category.Maximum = slider.Value;
slider.Category.ApplyMinMax(_scheme.EditorSettings);
int index = Breaks.IndexOf(slider);
if (index < 0)
{
return;
}
if (index < Breaks.Count - 1)
{
Breaks[index + 1].Category.Minimum = slider.Value;
Breaks[index + 1].Category.ApplyMinMax(_scheme.EditorSettings);
}
}
/// <summary>
/// Handles the mouse move event.
/// </summary>
/// <param name="e">The event args.</param>
protected override void OnMouseMove(MouseEventArgs e)
{
if (_isDragging)
{
Region rg = new Region();
Rectangle gb = _graph.GetGraphBounds();
if (_selectedSlider != null)
{
rg.Union(_selectedSlider.Bounds);
int x = e.X;
int index = Breaks.IndexOf(_selectedSlider);
if (x > gb.Right)
{
x = gb.Right;
}
if (x < gb.Left)
{
x = gb.Left;
}
if (index > 0)
{
if (x < Breaks[index - 1].Position + 2)
{
x = (int)Breaks[index - 1].Position + 2;
}
}
if (index < Breaks.Count - 1)
{
if (x > Breaks[index + 1].Position - 2)
{
x = (int)Breaks[index + 1].Position - 2;
}
}
_selectedSlider.Position = x;
rg.Union(_selectedSlider.Bounds);
Invalidate(rg);
}
return;
}
bool overSlider = false;
foreach (BreakSlider slider in Breaks)
{
if (slider.Bounds.Contains(e.Location) || slider.HandleBounds.Contains(e.Location))
{
overSlider = true;
}
}
if (_dragCursor && !overSlider)
{
Cursor = Cursors.Arrow;
_dragCursor = false;
}
if (!_dragCursor && overSlider)
{
_dragCursor = true;
Cursor = Cursors.SizeWE;
}
base.OnMouseMove(e);
}
