The ::got-page-size signal is emitted once for each page that gets rendered to the preview.
The ::ready signal gets emitted once per preview operation, before the first page is rendered.
Ends a preview.
Get the main Gtk struct
Returns whether the given page is included in the set of pages that have been selected for printing.
Renders a page to the preview, using the print context that was passed to the preview handler together with preview.