Method itemPageDown

src/main/java/ui/VirtualList.java:1017–1044

()

    }

    private boolean itemPageDown() {
        stickyWindow = false;
        Object o = getFocusedObject();
	if (o == null) {
            return false;
        }

        if (((VirtualElement) o).getVHeight() <= winHeight) {
            stickyWindow = true;
            return false;
        }

        if (!cursorInWindow()) {
            return false;
        }
            
        int remainder = itemLayoutY[cursor + 1] - win_top;
        if (remainder <= winHeight) {
            return false;
        }
        if (remainder <= 2 * winHeight) {
            win_top = remainder - winHeight + win_top + 8;
            return true;
        }

        win_top += winHeight - stringHeight;//-stringHeight;
        return true;
    }
    
    private boolean itemPageUp() {
        stickyWindow=false;