Red Hat Bugzilla – Bug 509332
gtk_enumerate_printers doesn't provide default printer if there are only remote printers
Last modified: 2010-06-28 09:26:01 EDT
Description of problem:
In a GTK2 application (which is actually the external helper part of
a browser plugin) gtk_enumerate_printers() calls the provided GtkPrinterFunc:
oppdf_get_default_printer(GtkPrinter *printer, gpointer data)
gboolean ret = gtk_printer_is_default(printer);
printf("oppdf-handler: printer name '%s' %s\n",
gtk_printer_get_name(printer), ret ? "DEFAULT" : "");
oppdf_default_printer = printer;
gtk_enumerate_printers(oppdf_get_default_printer, NULL, NULL, FALSE);
The list I get is:
oppdf-handler: printer name 'Nyomtatás fájlba'
oppdf-handler: printer name 'Cups-PDF'
oppdf-handler: printer name 'HP_LaserJet_1020'
oppdf-handler: printer name 'MFC-215C'
The "Nyomtatás fájlba" is the "Print to file" option.
The plugin/application was developed and tested on Fedora 11 inside
a VMWare guest. My host is Fedora 9, has the last three printers defined,
the default is set to the HP_LaserJet_1020.
As you can see in the above list, there is no default printer.
On the other hand, when I actually put the print dialog on the screen,
the 'HP_LaserJet_1020' is selected by default. So the dialog knows
something that gtk_printer_is_default() doesn't tell.
Version-Release number of selected component (if applicable):
$ rpm -q gtk2
Steps to Reproduce:
1. Have two machines
2. Install printers on only one of them, set a default printer.
3. Run some GTK code utilizing gtk_enumerate_printers() on the other.
Putting up the GTK2 print dialog on the screen, it selects the remote
default printer. Using gtk_printer_is_default() on the GtkPrinter *printer
provided by gtk_enumerate_printers() doesn't detect default printer.
The behaviour the the two should match.
I found Bug 478400 that's similar (applicable to Fedora 10) but closed.
The patch attached to this bug seems to be in gtk2-2.16.2-1.fc11.src.rpm.
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