Ejemplo n.º 1
0
//----------------------------------------------------------------------------//
void ScrollablePane::configureScrollbars(void)
{
    // controls should all be valid by this stage
    Scrollbar* const vertScrollbar = getVertScrollbar();
    Scrollbar* const horzScrollbar = getHorzScrollbar();

    const bool horzScrollBarWasVisible = horzScrollbar->isVisible();
    const bool vertScrollBarWasVisible = vertScrollbar->isVisible();

    // enable required scrollbars
    vertScrollbar->setVisible(isVertScrollbarNeeded());
    horzScrollbar->setVisible(isHorzScrollbarNeeded());
    
    // Check if the addition of the horizontal scrollbar means we
    // now also need the vertical bar.
    if (horzScrollbar->isVisible())
        vertScrollbar->setVisible(isVertScrollbarNeeded());

    if (horzScrollBarWasVisible != horzScrollbar->isVisible() ||
        vertScrollBarWasVisible != vertScrollbar->isVisible())
    {
        ElementEventArgs args(this);
        onSized(args);
    }

    performChildWindowLayout();
    
    // get viewable area
    const Rectf viewableArea(getViewableArea());
    
    // set up vertical scroll bar values
    vertScrollbar->setDocumentSize(fabsf(d_contentRect.getHeight()));
    vertScrollbar->setPageSize(viewableArea.getHeight());
    vertScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertStep));
    vertScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertOverlap));
    vertScrollbar->setScrollPosition(vertScrollbar->getScrollPosition());
    
    // set up horizontal scroll bar values
    horzScrollbar->setDocumentSize(fabsf(d_contentRect.getWidth()));
    horzScrollbar->setPageSize(viewableArea.getWidth());
    horzScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzStep));
    horzScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzOverlap));
    horzScrollbar->setScrollPosition(horzScrollbar->getScrollPosition());
}
Ejemplo n.º 2
0
    void ScrollablePane::configureScrollbars(void)
    {
        // controls should all be valid by this stage
        assert(d_container != 0);
        assert(d_vertScrollbar != 0);
        assert(d_horzScrollbar != 0);

        // enable required scrollbars
        d_vertScrollbar->setVisible(isVertScrollbarNeeded());
        d_horzScrollbar->setVisible(isHorzScrollbarNeeded());

        // Check if the addition of the horizontal scrollbar means we
        // now also need the vertical bar.
        if (d_horzScrollbar->isVisible())
        {
            d_vertScrollbar->setVisible(isVertScrollbarNeeded());
        }

        performChildWindowLayout();

        // get viewable area
        Rect viewableArea(getViewableArea());
		if( d_vertScrollbar )
		{
			// set up vertical scroll bar values
			d_vertScrollbar->setDocumentSize(fabsf(d_contentRect.getHeight()));
			d_vertScrollbar->setPageSize(viewableArea.getHeight());
			d_vertScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertStep));
			d_vertScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getHeight() * d_vertOverlap));
			d_vertScrollbar->setScrollPosition(d_vertScrollbar->getScrollPosition());
		}

		if( d_horzScrollbar )
		{
				// set up horizontal scroll bar values
			d_horzScrollbar->setDocumentSize(fabsf(d_contentRect.getWidth()));
			d_horzScrollbar->setPageSize(viewableArea.getWidth());
			d_horzScrollbar->setStepSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzStep));
			d_horzScrollbar->setOverlapSize(ceguimax(1.0f, viewableArea.getWidth() * d_horzOverlap));
			d_horzScrollbar->setScrollPosition(d_horzScrollbar->getScrollPosition());	
		}
    }