Hi Rafal, Thanks for the help! I am trying to develop an alternative CUPS backend using the new CUPS API - so it is going to list all the CUPS printers as well as the IPP printers; Also, is there a way I can test my backend *without *installing it (to avoid messing with my system)- Is using JHBuild an option?
Thanks and regards, Nilanjana. [image: Inline image 1] NILANJANA LODH CS Undergrad @ IIEST, Shibpur On Tue, May 23, 2017 at 4:33 AM, Rafal Luzynski <digitalfreak@lingonborough. com> wrote: > 21.05.2017 23:07 Nilanjana Lodh <nilanjanal...@gmail.com> wrote: > > > > I am trying to develop my own GtkPrintBackend , > > taking help from here: > > > > https://mail.gnome.org/archives/desktop-devel-list/2006- > December/msg00069.html > > Note that this tutorial has been written for GTK+ 2.x > series and things may work differently in GTK+ 3.x and > soon coming GTK+ 4.x. > > > But, I now want to test my print backend( by making the print dialog > use my > > backend instead). How do I do that? > > That is , how do I make the Print dialog use my backend instead? > > [...] > > It's been a while since I was working with print backends > so my memory may be incomplete or outdated. But as far > as I remember there is no such thing as "use this print > backend instead of that". All print backends work in parallel, > or more precisely: are available concurrently and loaded > and called by the framework as needed. All you have to do > is to implement the backend, install it, and make it provide > at least one printer. As soon as you do it correctly you > can run any GTK application, open the default print dialog, > and select a printer provided by your backend. Of course > you can disable (e.g., uninstall) other backends if you > have a good reason but most probably you don't need it. > > You did not write more details like whether your backend > supports physical or virtual printers, and whether these > printers are already supported by other backends. You may > want to avoid conflicts and make sure it's your backend > running rather than another one which supports the same > printer, or to avoid wasting physical resources like real > paper or lots of electrical energy. > > However, do not hesitate to ask if you have more questions. > > Regards, > > Rafal >
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