void ready ( GtkPrintOperationPreview* self, GtkPrintContext* context, gpointer user_data )
The ::ready signal gets emitted once per preview operation, before the first page is rendered.
A handler for this signal can be used for setup tasks.
|Default handler: |
The default handler is called after the handlers added via
|Available since: 4.0|
The data is owned by the caller of the function.