+ invalidate(m_visible_region); // invalidate old visible regions
+ m_visible_region.rects.clear();
+
+ int elements = m_page.m_elements.size();
+ if (elements)
+ {
+ int startY = elements > 1
+ ? size().height() / 2
+ : size().height() / 3 * 2;
+ int width = size().width() - startX * 2;
+ int height = size().height() - startY;
+ int size_per_element = height / (elements ? elements : 1);
+ for (int i=0; i<elements; ++i)
+ {
+ eRect &area = m_page.m_elements[i].m_area;
+ area.setLeft(startX);
+ area.setTop(size_per_element * i + startY);
+ area.setWidth(width);
+ area.setHeight(size_per_element);
+ m_visible_region.rects.push_back(area);
+ }
+ }
+ m_hide_subtitles_timer.start(7500, true);
+ invalidate(m_visible_region); // invalidate new regions