[open-beos-printing] Re: printkit source related reorganization


Am 22.07.2008 um 21:17 schrieb Jovan Ivankovic:
I have one dilemma, how should user preferred configuration of each installed printer be saved, I mean in which format.
Do you mean job and page settings? These are stored in a BMessage and the print_server persists it already for each pair of installed printer and printing application. 

In printer driver hook functions (see 
http://www.haiku-os.org/documents/dev/how_to_write_a_printer_driver)
  BMessage* config_page(BNode* spool_folder, BMessage* settings);
  BMessage* config_job(BNode* spool_folder, BMessage* settings);
you receive a previous BMessage settings (can be empty at first) and return the new settings.
You could add PPD related settings into a new BMessage ppdSettings and add that to the provided settings, like (from memory): 
BMessage ppdSettings;
ppdSettings.AddString("key", "value");
...
currentSettings.AddMessage("ppd", ppdSettings);
Should we use XML for that? If it is so, is there some kind of library that already works on beos/haiku, I should i write a simple parser for those files too?
If you mean other settings I would prefer to also use a BMessage and de/serialize that from/to a file or into an attribute of the spool_folder. For XML there is a parser in src/libs/expat, you can find other libraries too at www.bebits.com, don't know if there is more in the Haiku tree.
Also, I could use some help with UI Design, I mean some kind of sketches or mockups.
I think at first it suffices to add the current contents of the job settings dialog into a new tab and add another tab for the PPD related settings. The UI of libprint has to be reworked later anyway, this should not be your primary focus.
I think I almost dealt with all the JCL keywords problems. I'm using your TODO.txt list as reference of things that needs to be done for PPD.
Great. Maybe I can try to build CUPS on Haiku sometime in the next three weeks. 

- Michael
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