/*
 *    HardInfo - Displays System Information
 *    Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br>
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, version 2.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

void
scan_printers(void)
{
    GModule *cups;
    static int (*cupsGetPrinters) (char ***printers) = NULL;
    static char *(*cupsGetDefault) (void) = NULL;

    if (printer_list)
	g_free(printer_list);

    if (!(cupsGetPrinters && cupsGetDefault)) {
	cups = g_module_open("libcups", G_MODULE_BIND_LAZY);
	if (!cups) {
	    printer_list = g_strdup("[Printers]\n"
				    "CUPS libraries cannot be found=");
	    return;
	}

	if (!g_module_symbol(cups, "cupsGetPrinters", (gpointer) & cupsGetPrinters)
	    || !g_module_symbol(cups, "cupsGetDefault",
				(gpointer) & cupsGetDefault)) {
	    printer_list =
		g_strdup("[Printers]\n" "No suitable CUPS library found=");
            g_module_close(cups);
	    return;
	}
    }

    gchar **printers;
    int noprinters, i;
    const char *default_printer;

    noprinters = cupsGetPrinters(&printers);
    default_printer = cupsGetDefault();

    if (noprinters > 0) {
	printer_list = g_strdup_printf("[Printers (CUPS)]\n");
	for (i = 0; i < noprinters; i++) {
	    printer_list = g_strconcat(printer_list, printers[i],
				       !strcmp(default_printer,
					       printers[i]) ?
				       "=<i>(Default)</i>\n" : "=\n",
				       NULL);
	    g_free(printers[i]);
	}
    } else {
	printer_list = g_strdup("[Printers]\n" "No printers found");
    }
}