Beispiel #1
0
JBoolean
JXWidget::ScrollToRectCentered
	(
	const JRect&	origRect,
	const JBoolean	forceScroll
	)
{
	const JRect ap = GetAperture();
	if (!forceScroll && ap.Contains(origRect))
		{
		return kJFalse;
		}

	JRect r = origRect;
	const JCoordinate dw = ap.width() - r.width();
	if (dw > 0)
		{
		r.Shrink(-dw/2, 0);
		}

	const JCoordinate dh = ap.height() - r.height();
	if (dh > 0)
		{
		r.Shrink(0, -dh/2);
		}

	return ScrollToRect(r);
}
JBoolean
GetEnclosure
	(
	const JArray<JRect>&	rectList,
	const JIndex			rectIndex,
	JIndex*					enclIndex
	)
{
	const JRect theRect = rectList.GetElement(rectIndex);
	JBoolean found = kJFalse;
	*enclIndex = 0;

	JSize minArea = 0;
	const JSize count = rectList.GetElementCount();
	for (JIndex i=1; i<=count; i++)
		{
		if (i != rectIndex)
			{
			const JRect r = rectList.GetElement(i);
			const JSize a = r.area();
			if (r.Contains(theRect) && (a < minArea || minArea == 0))
				{
				minArea    = a;
				found      = kJTrue;
				*enclIndex = i;
				}
			}
		}
	return found;
}
Beispiel #3
0
void
JXCheckbox::HandleMouseDrag
	(
	const JPoint&			pt,
	const JXButtonStates&	buttonStates,
	const JXKeyModifiers&	modifiers
	)
{
	if (buttonStates.left())
		{
		const JRect frame     = JXContainer::GlobalToLocal(GetFrameGlobal());
		const JBoolean inside = frame.Contains(pt);
		if (inside && !itsIsPushedFlag)
			{
			itsIsPushedFlag = kJTrue;
			Redraw();
			}
		else if (!inside && itsIsPushedFlag)
			{
			itsIsPushedFlag = kJFalse;
			Redraw();
			}
		}
}