public WidgetScrollBar() : base(0, 0)
{
var upButton = new WidgetButton();
upButton.SetParent(this);
upButton.SetStyle(Globals.WidgetButtonStyles.GetStyle("scrollbar-up"));
upButton.SetClickHandler(() => { SetValue(GetValue() - 1); });
upButton.SetRepeat(true);
var downButton = new WidgetButton();
downButton.SetParent(this);
downButton.SetStyle(Globals.WidgetButtonStyles.GetStyle("scrollbar-down"));
downButton.SetClickHandler(() => { SetValue(GetValue() + 1); });
downButton.SetRepeat(true);
var track = new WidgetButton();
track.SetParent(this);
track.SetStyle(Globals.WidgetButtonStyles.GetStyle("scrollbar-track"));
track.SetClickHandler((x, y) =>
{
// The y value is in relation to the track, we need to add it's own Y value,
// and compare against the current position of the handle
y += mTrack.Y;
if (y < mHandleButton.Y)
{
SetValue(GetValue() - 5);
}
else if (y >= mHandleButton.Y + mHandleButton.Height)
{
SetValue(GetValue() + 5);
}
});
track.SetRepeat(true);
var handle = new WidgetScrollBarHandle(this);
handle.SetParent(this);
handle.Height = 100;
Width = Math.Max(upButton.Width, downButton.Width);
mUpButton = upButton;
mDownButton = downButton;
mTrack = track;
mHandleButton = handle;
Add(track);
Add(upButton);
Add(downButton);
Add(handle);
}
