void ocio_colorspace_combo_t::set_default()
{
    OCIO::ConstConfigRcPtr config = app().ocio_manager().config();
    std::string default_cs_name = config->getColorSpace( OCIO::ROLE_SCENE_LINEAR)->getName();

    int index = 0;
    int num_color_spaces = config->getNumColorSpaces();

    for(int i = 0; i < num_color_spaces; i++)
    {
        if( config->getColorSpaceNameByIndex( i) == default_cs_name)
            index = i;
    }

    setCurrentIndex( index);
    current_colorspace_ = default_cs_name;
}
bool ColorSpacePopUpMenu(OCIO::ConstConfigRcPtr config, std::string &colorSpace, bool selectRoles, const void *hwnd)
{
    HMENU menu = CreatePopupMenu();

    for(int i=0; i < config->getNumColorSpaces(); ++i)
    {
        const char *colorSpaceName = config->getColorSpaceNameByIndex(i);
        
        OCIO::ConstColorSpaceRcPtr colorSpacePtr = config->getColorSpace(colorSpaceName);
        
        const char *family = colorSpacePtr->getFamily();
        
        
        std::string colorSpacePath;
        
        if(family == NULL)
        {
            colorSpacePath = colorSpaceName;
        }
        else
        {
            colorSpacePath = std::string(family) + "/" + colorSpaceName;
        }
        
        
        std::vector<std::string> pathComponents;

        tokenize(pathComponents, colorSpacePath, "/");


        
        HMENU currentMenu = menu;
        
        for(int j=0; j < pathComponents.size(); j++)
        {
            const std::string &componentName = pathComponents[j];
            
            if(j == (pathComponents.size() - 1))
            {
                UINT flags = MF_STRING;

                if(componentName == colorSpace)
                    flags |= MF_CHECKED;

                const BOOL inserted = AppendMenu(currentMenu, flags, i + 1, componentName.c_str());

                assert(inserted);
            }
            else
            {
                int componentMenuPos = -1;

                for(int k=0; k < GetMenuItemCount(currentMenu) && componentMenuPos < 0; k++)
                {
                    CHAR buf[256];

                    const int strLen = GetMenuString(currentMenu, k, buf, 255, MF_BYPOSITION);

                    assert(strLen > 0);

                    if(componentName == buf)
                        componentMenuPos = k;
                }

                if(componentMenuPos < 0)
                {
                    HMENU subMenu = CreateMenu();
                    
                    const BOOL inserted = AppendMenu(currentMenu, MF_STRING | MF_POPUP, (UINT_PTR)subMenu, componentName.c_str());

                    assert(inserted);

                    componentMenuPos = (GetMenuItemCount(currentMenu) - 1);
                }
                
                currentMenu = GetSubMenu(currentMenu, componentMenuPos);
            }
        }
    }
    
    
    if(config->getNumRoles() > 0)
    {
        HMENU rolesMenu = CreatePopupMenu();

        const BOOL rolesInserted = InsertMenu(menu, 0, MF_STRING | MF_BYPOSITION | MF_POPUP, (UINT_PTR)rolesMenu, "Roles");

        assert(rolesInserted);
        
        for(int i=0; i < config->getNumRoles(); i++)
        {
            const std::string roleName = config->getRoleName(i);
            
            OCIO::ConstColorSpaceRcPtr colorSpacePtr = config->getColorSpace(roleName.c_str());
            
            const std::string colorSpaceName = colorSpacePtr->getName();
            
            int colorSpaceIndex = -1;

            for(int k=0; k < config->getNumColorSpaces() && colorSpaceIndex < 0; k++)
            {
                const std::string colorSpaceName2 = config->getColorSpaceNameByIndex(k);

                if(colorSpaceName2 == colorSpaceName)
                    colorSpaceIndex = k;
            }

            HMENU roleSubmenu = CreatePopupMenu();
            
            UINT roleFlags = MF_STRING | MF_POPUP;

            if(selectRoles && roleName == colorSpace)
                roleFlags |= MF_CHECKED;

            const BOOL roleInserted = AppendMenu(rolesMenu, roleFlags, (UINT_PTR)roleSubmenu, roleName.c_str());

            assert(roleInserted);
            
            UINT colorSpaceFlags = MF_STRING;

            if(colorSpaceName == colorSpace)
                colorSpaceFlags |= MF_CHECKED;

            const BOOL colorSpaceInsterted = AppendMenu(roleSubmenu, colorSpaceFlags, colorSpaceIndex + 1, colorSpaceName.c_str());

            assert(colorSpaceInsterted);
        }
        
        const BOOL dividerInserted = InsertMenu(menu, 1, MF_STRING | MF_BYPOSITION | MF_SEPARATOR, 0, "Sep");

        assert(dividerInserted);
    }

    POINT pos;
    GetCursorPos(&pos);

    int result = TrackPopupMenuEx(menu,
                        (TPM_NONOTIFY | TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RETURNCMD),
                        pos.x, pos.y, (HWND)hwnd, NULL);

    DestroyMenu(menu);

    if(result > 0)
    {
        colorSpace = config->getColorSpaceNameByIndex(result - 1);

        return true;
    }
    else
        return false;
}