float FalagardScrollbar::getValueFromThumb(void) const
{
Scrollbar* w = (Scrollbar*)d_window;
const WidgetLookFeel& wlf = getLookNFeel();
const Rectf area(wlf.getNamedArea("ThumbTrackArea").getArea().getPixelRect(*w));
Thumb* theThumb = w->getThumb();
float posExtent = w->getDocumentSize() - w->getPageSize();
if (d_vertical)
{
float slideExtent = area.getHeight() - theThumb->getPixelSize().d_height;
return (CoordConverter::asAbsolute(theThumb->getYPosition(), w->getPixelSize().d_height) - area.top()) / (slideExtent / posExtent);
}
else
{
float slideExtent = area.getWidth() - theThumb->getPixelSize().d_width;
return (CoordConverter::asAbsolute(theThumb->getXPosition(), w->getPixelSize().d_width) - area.left()) / (slideExtent / posExtent);
}
}
float FalagardScrollbar::getAdjustDirectionFromPoint(const Vector2f& pt) const
{
Scrollbar* w = (Scrollbar*)d_window;
const Rectf& absrect(w->getThumb()->getUnclippedOuterRect().get());
if ((d_vertical && (pt.d_y > absrect.bottom())) ||
(!d_vertical && (pt.d_x > absrect.right())))
{
return 1;
}
else if ((d_vertical && (pt.d_y < absrect.top())) ||
(!d_vertical && (pt.d_x < absrect.left())))
{
return -1;
}
else
{
return 0;
}
}