/// <summary>
/// Set the correct visual state of the target.
/// </summary>
/// <param name="pt">Mouse point.</param>
protected virtual void UpdateTargetState(Point pt)
{
// By default the button is in the normal state
PaletteState newState;
// If the button is disabled then show as disabled
if (!_target.Enabled)
{
newState = PaletteState.Disabled;
}
else
{
newState = PaletteState.Normal;
// If capturing input....
if (_captured)
{
if (_target.ClientRectangle.Contains(pt))
{
newState = PaletteState.Pressed;
}
else
{
newState = PaletteState.Tracking;
}
}
else
{
// Only hot tracking, so show tracking only if mouse over the target
if (_mouseOver)
{
newState = PaletteState.Tracking;
}
else
{
newState = PaletteState.Normal;
}
}
}
// If state has changed or change in (inside split area)
if (_target.ElementState != newState)
{
if (newState == PaletteState.Tracking)
{
_target.Track();
}
else
{
_target.Untrack();
}
// Update target to reflect new state
_target.ElementState = newState;
// Redraw to show the change in visual state
OnNeedPaint(true);
}
}
