BScrollView::BScrollView(const char *name, BView *target, uint32 resizingMode,
uint32 flags, bool horizontal, bool vertical, border_style border)
: BView(CalcFrame(target, horizontal, vertical, border), name,
ModifyFlags(flags, border), resizingMode),
fTarget(target),
fHorizontalScrollBar(NULL),
fVerticalScrollBar(NULL),
fBorder(border),
fHighlighted(false)
{
fTarget->TargetedByScrollView(this);
fTarget->MoveTo(B_ORIGIN);
if (border != B_NO_BORDER)
fTarget->MoveBy(BorderSize(border), BorderSize(border));
AddChild(fTarget);
BRect frame = fTarget->Frame();
if (horizontal) {
BRect rect = frame;
rect.top = rect.bottom + 1;
rect.bottom += B_H_SCROLL_BAR_HEIGHT + 1;
if (border != B_NO_BORDER || vertical)
rect.right++;
if (border != B_NO_BORDER)
rect.left--;
fHorizontalScrollBar = new BScrollBar(rect, "_HSB_", fTarget, 0, 1000, B_HORIZONTAL);
AddChild(fHorizontalScrollBar);
}
if (vertical) {
BRect rect = frame;
rect.left = rect.right + 1;
rect.right += B_V_SCROLL_BAR_WIDTH + 1;
if (border != B_NO_BORDER || horizontal)
rect.bottom++;
if (border != B_NO_BORDER)
rect.top--;
fVerticalScrollBar = new BScrollBar(rect, "_VSB_", fTarget, 0, 1000, B_VERTICAL);
AddChild(fVerticalScrollBar);
}
fPreviousWidth = uint16(Bounds().Width());
fPreviousHeight = uint16(Bounds().Height());
}
void
BScrollView::GetPreferredSize(float *_width, float *_height)
{
BRect frame = CalcFrame(fTarget, fHorizontalScrollBar, fVerticalScrollBar, fBorder);
if (fTarget != NULL) {
float width, height;
fTarget->GetPreferredSize(&width, &height);
frame.right += width - fTarget->Frame().Width();
frame.bottom += height - fTarget->Frame().Height();
}
if (_width)
*_width = frame.Width();
if (_height)
*_height = frame.Height();
}
cMotion::tFrame cMotion::CalcFramePhase(double phase) const
{
double max_time = GetDuration();
double time = phase * max_time;
return CalcFrame(time);
}
