#define EV_STOCK_ZOOM_WIDTH "zoom-fit-width"
#define EV_STOCK_VIEW_DUAL "view-page-facing"
#define EV_STOCK_VIEW_CONTINUOUS "view-page-continuous"
#define EV_STOCK_ZOOM_WIDTH "zoom-fit-width"
#define EV_STOCK_VIEW_DUAL "view-page-facing"
#define EV_STOCK_VIEW_CONTINUOUS "view-page-continuous"