public SliderTrack(Func <int> getter, Action <int> setter, int min, int max, Func <int, string> format = null)
{
On <UiLeftClickEvent>(e =>
{
_thumb.State = ButtonState.Clicked;
_state = SliderState.Clicked;
e.Propagating = false;
// Raise(new SetExclusiveMouseModeEvent(this));
});
On <UiLeftReleaseEvent>(e =>
{
_state = SliderState.Normal;
_thumb.State = ButtonState.Normal;
});
On <UiMouseMoveEvent>(e =>
{
if (_state != SliderState.DraggingThumb)
{
return;
}
var thumbExtents = ThumbExtents(_lastExtents);
float equivalentThumbPosition = e.X - _clickPosition;
int spareWidth = _lastExtents.Width - thumbExtents.Width;
int newValue = (int)((_max - _min) * (equivalentThumbPosition - _lastExtents.X) / spareWidth) + _min;
if (newValue != _getter())
{
_setter(newValue);
}
});
_getter = getter;
_setter = setter;
_min = min;
_max = max;
_thumb = new SliderThumb(getter, format);
AttachChild(_thumb);
}
private void SliderMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
isDragging = false;
SliderThumb.ReleaseMouseCapture();
}
private void SliderMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
isDragging = SliderThumb.CaptureMouse();
}
