Exemplo n.º 1
0
//--------------------------------------------------------------------------------------------------
/// Get the the overlay item (if any) at the given cursor position
//--------------------------------------------------------------------------------------------------
OverlayItem* Rendering::overlayItemFromWindowCoordinates(int x, int y)
{
    OverlayItemRectMap itemRectMap;
    calculateOverlayItemLayout(&itemRectMap);

    OverlayItemRectMap::iterator it;
    for (it = itemRectMap.begin(); it != itemRectMap.end(); ++it)
    {
        OverlayItem* item = it->first;
        Recti rect = it->second;

        if (item->pick(x, y, rect.min(), Vec2ui(static_cast<cvf::uint>(rect.width()), static_cast<cvf::uint>(rect.height()))))
        {
            return item;
        }
    }

    return NULL;
}
Exemplo n.º 2
0
//--------------------------------------------------------------------------------------------------
/// Get the the overlay item (if any) at the given cursor position
//--------------------------------------------------------------------------------------------------
OverlayItem* Rendering::overlayItemFromWindowCoordinates(int x, int y)
{
    OverlayItemRectMap itemRectMap;
    calculateOverlayItemLayout(&itemRectMap);

    const size_t numOverlayItems = m_overlayItems.size();
    for (size_t i = 0; i < numOverlayItems; i++)
    {
        OverlayItem* item = m_overlayItems.at(i);
        OverlayItemRectMap::iterator it = itemRectMap.find(item);
        if (it != itemRectMap.end())
        {
            Recti rect = it->second;
            if (item->pick(x, y, rect.min(), Vec2ui(static_cast<cvf::uint>(rect.width()), static_cast<cvf::uint>(rect.height()))))
            {
                return item;
            }
        }
    }

    return NULL;
}