got_page_size
Description:
Emitted once for each page that gets rendered to the preview.
A handler for this signal should update the context according to page_setup and set up a suitable cairo context,
using [method@Gtk.PrintContext.set_cairo_context].
Parameters:
| context |
the current `GtkPrintContext` |
| page_setup |
the `GtkPageSetup` for the current page |