diff options
Diffstat (limited to 'arch/common/printers.h')
| -rw-r--r-- | arch/common/printers.h | 256 |
1 files changed, 215 insertions, 41 deletions
diff --git a/arch/common/printers.h b/arch/common/printers.h index 43ddda0a..2f221252 100644 --- a/arch/common/printers.h +++ b/arch/common/printers.h @@ -1,6 +1,6 @@ /* * HardInfo - Displays System Information - * Copyright (C) 2003-2007 Leandro A. F. Pereira <leandro@linuxmag.com.br> + * Copyright (C) 2003-2007 Leandro A. F. Pereira <leandro@hardinfo.org> * * 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 @@ -16,70 +16,244 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -void -__scan_printers(void) +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +typedef struct _CUPSDest CUPSDest; +typedef struct _CUPSOption CUPSOption; + +struct _CUPSOption { + char *name, *value; +}; + +struct _CUPSDest { + char *name, *instance; + int is_default; + int num_options; + CUPSOption *options; +}; + +static int (*cups_dests_get) (CUPSDest **dests) = NULL; +static int (*cups_dests_free) (int num_dests, CUPSDest *dests) = NULL; +static gboolean cups_init = FALSE; + +static gboolean +remove_printer_devices(gpointer key, gpointer value, gpointer data) { - static GModule *cups = NULL; - static int (*cupsGetPrinters) (char ***printers) = NULL; - static char *(*cupsGetDefault) (void) = NULL; - - static char *libcups[] = { "libcups", - "libcups.so", - "libcups.so.1", - "libcups.so.2", - NULL }; + return g_str_has_prefix(key, "PRN"); +} - if (printer_list) - g_free(printer_list); +static void +__init_cups(void) +{ + static GModule *cups = NULL; + const char *libcups[] = { "libcups", "libcups.so", "libcups.so.1", "libcups.so.2", NULL }; - if (!(cupsGetPrinters && cupsGetDefault)) { + if (!(cups_dests_get && cups_dests_free)) { int i; for (i = 0; libcups[i] != NULL; i++) { cups = g_module_open(libcups[i], G_MODULE_BIND_LAZY); if (cups) - break; + break; } if (!cups) { - printer_list = g_strdup("[Printers]\n" - "CUPS libraries cannot be found="); + cups_init = FALSE; 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="); + if (!g_module_symbol(cups, "cupsGetDests", (gpointer) & cups_dests_get) + || !g_module_symbol(cups, "cupsFreeDests", (gpointer) & cups_dests_free)) { g_module_close(cups); - return; + cups_init = FALSE; } } + + cups_init = TRUE; +} - gchar **printers; - int noprinters, i; - const char *default_printer; - - noprinters = cupsGetPrinters(&printers); - default_printer = cupsGetDefault(); +gchar *__cups_callback_ptype(gchar *strvalue) +{ + if (strvalue) { + unsigned value = atoi(strvalue); + gchar *output = g_strdup("\n"); - if (!default_printer) { - default_printer = ""; + if (value & 0x0004) + output = h_strdup_cprintf("\342\232\254 Can do black and white printing=\n", output); + if (value & 0x0008) + output = h_strdup_cprintf("\342\232\254 Can do color printing=\n", output); + if (value & 0x0010) + output = h_strdup_cprintf("\342\232\254 Can do duplexing=\n", output); + if (value & 0x0020) + output = h_strdup_cprintf("\342\232\254 Can do staple output=\n", output); + if (value & 0x0040) + output = h_strdup_cprintf("\342\232\254 Can do copies=\n", output); + if (value & 0x0080) + output = h_strdup_cprintf("\342\232\254 Can collate copies=\n", output); + if (value & 0x80000) + output = h_strdup_cprintf("\342\232\254 Printer is rejecting jobs=\n", output); + if (value & 0x1000000) + output = h_strdup_cprintf("\342\232\254 Printer was automatically discovered and added=\n", output); + + return output; + } else { + return g_strdup("Unknown"); + } +} + +gchar *__cups_callback_state(gchar *value) +{ + if (!value) { + return g_strdup("Unknown"); + } + + if (g_str_equal(value, "3")) { + return g_strdup("Idle"); + } else if (g_str_equal(value, "4")) { + return g_strdup("Printing a Job"); + } else if (g_str_equal(value, "5")) { + return g_strdup("Stopped"); + } else { + return g_strdup("Unknown"); + } +} + +gchar *__cups_callback_state_change_time(gchar *value) +{ + struct tm tm; + char buf[255]; + + if (value) { + strptime(value, "%s", &tm); + strftime(buf, sizeof(buf), "%c", &tm); + + return g_strdup(buf); + } else { + return g_strdup("Unknown"); + } +} + +gchar *__cups_callback_boolean(gchar *value) +{ + if (value) { + return g_strdup(g_str_equal(value, "1") ? "Yes" : "No"); + } else { + return g_strdup("Unknown"); + } +} + +const struct { + char *key, *name; + gchar *(*callback)(gchar *value); +} cups_fields[] = { + { "Printer Information", NULL, NULL }, + { "printer-info", "Destination Name", NULL }, + { "printer-make-and-model", "Make and Model", NULL }, + + { "Capabilities", NULL, NULL }, + { "printer-type", "#", __cups_callback_ptype }, + + { "Printer State", NULL, NULL }, + { "printer-state", "State", __cups_callback_state }, + { "printer-state-change-time", "Change Time", __cups_callback_state_change_time }, + { "printer-state-reasons", "State Reasons" }, + + { "Sharing Information", NULL, NULL }, + { "printer-is-shared", "Shared?", __cups_callback_boolean }, + { "printer-location", "Physical Location" }, + { "auth-info-required", "Authentication Required", __cups_callback_boolean }, + + { "Jobs", NULL, NULL }, + { "job-hold-until", "Hold Until", NULL }, + { "job-priority", "Priority", NULL }, + { "printer-is-accepting-jobs", "Accepting Jobs", __cups_callback_boolean }, + + { "Media", NULL, NULL }, + { "media", "Media", NULL }, + { "finishings", "Finishings", NULL }, + { "copies", "Copies", NULL }, +}; + +void +__scan_printers(void) +{ + int num_dests, i, j; + CUPSDest *dests; + gchar *prn_id, *prn_moreinfo; + + g_free(printer_list); + + if (!cups_init) { + __init_cups(); + + printer_list = g_strdup("[Printers]\n" + "No suitable CUPS library found="); + return; } - - if (noprinters > 0) { + + /* remove old devices from global device table */ + g_hash_table_foreach_remove(moreinfo, remove_printer_devices, NULL); + + num_dests = cups_dests_get(&dests); + if (num_dests > 0) { printer_list = g_strdup_printf("[Printers (CUPS)]\n"); - for (i = 0; i < noprinters; i++) { - printer_list = h_strdup_cprintf("\n$PRN%d$%s=%s\n", + for (i = 0; i < num_dests; i++) { + GHashTable *options; + + options = g_hash_table_new(g_str_hash, g_str_equal); + + for (j = 0; j < dests[i].num_options; j++) { + g_hash_table_insert(options, + g_strdup(dests[i].options[j].name), + g_strdup(dests[i].options[j].value)); + } + + prn_id = g_strdup_printf("PRN%d", i); + + printer_list = h_strdup_cprintf("\n$%s$%s=%s\n", printer_list, - i, - printers[i], - g_str_equal(default_printer, printers[i]) ? - "<i>(Default)</i>" : ""); - g_free(printers[i]); + prn_id, + dests[i].name, + dests[i].is_default ? "<i>Default</i>" : ""); + + prn_moreinfo = g_strdup(""); + for (j = 0; j < G_N_ELEMENTS(cups_fields); j++) { + if (!cups_fields[j].name) { + prn_moreinfo = h_strdup_cprintf("[%s]\n", + prn_moreinfo, + cups_fields[j].key); + } else { + gchar *temp; + + temp = g_hash_table_lookup(options, cups_fields[j].key); + + if (cups_fields[j].callback) { + temp = cups_fields[j].callback(temp); + } else { + if (temp) { + /* FIXME Do proper escaping */ + temp = g_strdup(strreplace(temp, "&=", ' ')); + } else { + temp = g_strdup("Unknown"); + } + } + + prn_moreinfo = h_strdup_cprintf("%s=%s\n", + prn_moreinfo, + cups_fields[j].name, + temp); + + g_free(temp); + } + } + + g_hash_table_insert(moreinfo, prn_id, prn_moreinfo); + g_hash_table_destroy(options); } - g_free(printers); + cups_dests_free(num_dests, dests); } else { printer_list = g_strdup("[Printers]\n" "No printers found=\n"); |