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45a83fdbeb
gtk/modules/printbackends/cups/gtkprintbackendcups.c
Marek Kasik 45a83fdbeb Honor PPD reading over listing of printers 
Reading of PPD files collides with getting list of printers.
It helps to give higher priority to getting of PPDs than to
getting list of printers (#614581).
2010-05-24 16:54:34 +02:00

4502 lines
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/* GTK - The GIMP Toolkit
* gtkprintbackendcups.h: Default implementation of GtkPrintBackend
* for the Common Unix Print System (CUPS)
* Copyright (C) 2006, 2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef __linux__
#define _GNU_SOURCE
#endif
#include "config.h"
#include <ctype.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <time.h>
#include <cups/cups.h>
#include <cups/language.h>
#include <cups/http.h>
#include <cups/ipp.h>
#include <errno.h>
#include <cairo.h>
#include <cairo-pdf.h>
#include <cairo-ps.h>
#include <glib/gstdio.h>
#include <glib/gi18n-lib.h>
#include <gmodule.h>
#include <gtk/gtk.h>
#include <gtk/gtkprintbackend.h>
#include <gtk/gtkunixprint.h>
#include <gtk/gtkprinter-private.h>
#include "gtkprintbackendcups.h"
#include "gtkprintercups.h"
#include "gtkcupsutils.h"
typedef struct _GtkPrintBackendCupsClass GtkPrintBackendCupsClass;
#define GTK_PRINT_BACKEND_CUPS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_CUPS, GtkPrintBackendCupsClass))
#define GTK_IS_PRINT_BACKEND_CUPS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_CUPS))
#define GTK_PRINT_BACKEND_CUPS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_CUPS, GtkPrintBackendCupsClass))
#define _CUPS_MAX_ATTEMPTS 10
#define _CUPS_MAX_CHUNK_SIZE 8192
/* define this to see warnings about ignored ppd options */
#undef PRINT_IGNORED_OPTIONS
#define _CUPS_MAP_ATTR_INT(attr, v, a) {if (!g_ascii_strcasecmp (attr->name, (a))) v = attr->values[0].integer;}
#define _CUPS_MAP_ATTR_STR(attr, v, a) {if (!g_ascii_strcasecmp (attr->name, (a))) v = attr->values[0].string.text;}
static GType print_backend_cups_type = 0;
typedef void (* GtkPrintCupsResponseCallbackFunc) (GtkPrintBackend *print_backend,
GtkCupsResult *result,
gpointer user_data);
typedef enum
{
DISPATCH_SETUP,
DISPATCH_REQUEST,
DISPATCH_SEND,
DISPATCH_CHECK,
DISPATCH_READ,
DISPATCH_ERROR
} GtkPrintCupsDispatchState;
typedef struct
{
GSource source;
http_t *http;
GtkCupsRequest *request;
GPollFD *data_poll;
GtkPrintBackendCups *backend;
GtkPrintCupsResponseCallbackFunc callback;
gpointer callback_data;
} GtkPrintCupsDispatchWatch;
struct _GtkPrintBackendCupsClass
{
GtkPrintBackendClass parent_class;
};
struct _GtkPrintBackendCups
{
GtkPrintBackend parent_instance;
char *default_printer;
guint list_printers_poll;
guint list_printers_pending : 1;
gint list_printers_attempts;
guint got_default_printer : 1;
guint default_printer_poll;
GtkCupsConnectionTest *cups_connection_test;
gint reading_ppds;
char **covers;
int number_of_covers;
GList *requests;
GHashTable *auth;
gchar *username;
gboolean authentication_lock;
};
static GObjectClass *backend_parent_class;
static void gtk_print_backend_cups_class_init (GtkPrintBackendCupsClass *class);
static void gtk_print_backend_cups_init (GtkPrintBackendCups *impl);
static void gtk_print_backend_cups_finalize (GObject *object);
static void gtk_print_backend_cups_dispose (GObject *object);
static void cups_get_printer_list (GtkPrintBackend *print_backend);
static void cups_get_default_printer (GtkPrintBackendCups *print_backend);
static void cups_get_local_default_printer (GtkPrintBackendCups *print_backend);
static void cups_request_execute (GtkPrintBackendCups *print_backend,
GtkCupsRequest *request,
GtkPrintCupsResponseCallbackFunc callback,
gpointer user_data,
GDestroyNotify notify);
static void cups_printer_get_settings_from_options (GtkPrinter *printer,
GtkPrinterOptionSet *options,
GtkPrintSettings *settings);
static gboolean cups_printer_mark_conflicts (GtkPrinter *printer,
GtkPrinterOptionSet *options);
static GtkPrinterOptionSet *cups_printer_get_options (GtkPrinter *printer,
GtkPrintSettings *settings,
GtkPageSetup *page_setup,
GtkPrintCapabilities capabilities);
static void cups_printer_prepare_for_print (GtkPrinter *printer,
GtkPrintJob *print_job,
GtkPrintSettings *settings,
GtkPageSetup *page_setup);
static GList * cups_printer_list_papers (GtkPrinter *printer);
static GtkPageSetup * cups_printer_get_default_page_size (GtkPrinter *printer);
static void cups_printer_request_details (GtkPrinter *printer);
static gboolean cups_request_default_printer (GtkPrintBackendCups *print_backend);
static gboolean cups_request_ppd (GtkPrinter *printer);
static gboolean cups_printer_get_hard_margins (GtkPrinter *printer,
gdouble *top,
gdouble *bottom,
gdouble *left,
gdouble *right);
static GtkPrintCapabilities cups_printer_get_capabilities (GtkPrinter *printer);
static void set_option_from_settings (GtkPrinterOption *option,
GtkPrintSettings *setting);
static void cups_begin_polling_info (GtkPrintBackendCups *print_backend,
GtkPrintJob *job,
int job_id);
static gboolean cups_job_info_poll_timeout (gpointer user_data);
static void gtk_print_backend_cups_print_stream (GtkPrintBackend *backend,
GtkPrintJob *job,
GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
gpointer user_data,
GDestroyNotify dnotify);
static cairo_surface_t * cups_printer_create_cairo_surface (GtkPrinter *printer,
GtkPrintSettings *settings,
gdouble width,
gdouble height,
GIOChannel *cache_io);
static void gtk_print_backend_cups_set_password (GtkPrintBackend *backend,
gchar **auth_info_required,
gchar **auth_info);
void overwrite_and_free (gpointer data);
static gboolean is_address_local (const gchar *address);
static gboolean request_auth_info (gpointer data);
static void
gtk_print_backend_cups_register_type (GTypeModule *module)
{
const GTypeInfo print_backend_cups_info =
{
sizeof (GtkPrintBackendCupsClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_print_backend_cups_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkPrintBackendCups),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_print_backend_cups_init
};
print_backend_cups_type = g_type_module_register_type (module,
GTK_TYPE_PRINT_BACKEND,
"GtkPrintBackendCups",
&print_backend_cups_info, 0);
}
G_MODULE_EXPORT void
pb_module_init (GTypeModule *module)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Initializing the CUPS print backend module\n"));
gtk_print_backend_cups_register_type (module);
gtk_printer_cups_register_type (module);
}
G_MODULE_EXPORT void
pb_module_exit (void)
{
}
G_MODULE_EXPORT GtkPrintBackend *
pb_module_create (void)
{
return gtk_print_backend_cups_new ();
}
/*
* GtkPrintBackendCups
*/
GType
gtk_print_backend_cups_get_type (void)
{
return print_backend_cups_type;
}
/**
* gtk_print_backend_cups_new:
*
* Creates a new #GtkPrintBackendCups object. #GtkPrintBackendCups
* implements the #GtkPrintBackend interface with direct access to
* the filesystem using Unix/Linux API calls
*
* Return value: the new #GtkPrintBackendCups object
*/
GtkPrintBackend *
gtk_print_backend_cups_new (void)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Creating a new CUPS print backend object\n"));
return g_object_new (GTK_TYPE_PRINT_BACKEND_CUPS, NULL);
}
static void
gtk_print_backend_cups_class_init (GtkPrintBackendCupsClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
backend_parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gtk_print_backend_cups_finalize;
gobject_class->dispose = gtk_print_backend_cups_dispose;
backend_class->request_printer_list = cups_get_printer_list;
backend_class->print_stream = gtk_print_backend_cups_print_stream;
backend_class->printer_request_details = cups_printer_request_details;
backend_class->printer_create_cairo_surface = cups_printer_create_cairo_surface;
backend_class->printer_get_options = cups_printer_get_options;
backend_class->printer_mark_conflicts = cups_printer_mark_conflicts;
backend_class->printer_get_settings_from_options = cups_printer_get_settings_from_options;
backend_class->printer_prepare_for_print = cups_printer_prepare_for_print;
backend_class->printer_list_papers = cups_printer_list_papers;
backend_class->printer_get_default_page_size = cups_printer_get_default_page_size;
backend_class->printer_get_hard_margins = cups_printer_get_hard_margins;
backend_class->printer_get_capabilities = cups_printer_get_capabilities;
backend_class->set_password = gtk_print_backend_cups_set_password;
}
static cairo_status_t
_cairo_write_to_cups (void *closure,
const unsigned char *data,
unsigned int length)
{
GIOChannel *io = (GIOChannel *)closure;
gsize written;
GError *error;
error = NULL;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Writing %i byte chunk to temp file\n", length));
while (length > 0)
{
g_io_channel_write_chars (io, (gchar *)data, length, &written, &error);
if (error != NULL)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Error writing to temp file, %s\n",
error->message));
g_error_free (error);
return CAIRO_STATUS_WRITE_ERROR;
}
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Wrote %i bytes to temp file\n", written));
data += written;
length -= written;
}
return CAIRO_STATUS_SUCCESS;
}
static cairo_surface_t *
cups_printer_create_cairo_surface (GtkPrinter *printer,
GtkPrintSettings *settings,
gdouble width,
gdouble height,
GIOChannel *cache_io)
{
cairo_surface_t *surface;
ppd_file_t *ppd_file = NULL;
ppd_attr_t *ppd_attr = NULL;
ppd_attr_t *ppd_attr_res = NULL;
ppd_attr_t *ppd_attr_screen_freq = NULL;
ppd_attr_t *ppd_attr_res_screen_freq = NULL;
gchar *res_string = NULL;
int level = 2;
/* TODO: check if it is a ps or pdf printer */
surface = cairo_ps_surface_create_for_stream (_cairo_write_to_cups, cache_io, width, height);
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file != NULL)
{
ppd_attr = ppdFindAttr (ppd_file, "LanguageLevel", NULL);
if (ppd_attr != NULL)
level = atoi (ppd_attr->value);
if (gtk_print_settings_get_resolution (settings) == 0)
{
ppd_attr_res = ppdFindAttr (ppd_file, "DefaultResolution", NULL);
if (ppd_attr_res != NULL)
{
int res, res_x, res_y;
if (sscanf (ppd_attr_res->value, "%dx%ddpi", &res_x, &res_y) == 2)
{
if (res_x > 0 && res_y > 0)
gtk_print_settings_set_resolution_xy (settings, res_x, res_y);
}
else if (sscanf (ppd_attr_res->value, "%ddpi", &res) == 1)
{
if (res > 0)
gtk_print_settings_set_resolution (settings, res);
}
}
}
res_string = g_strdup_printf ("%ddpi",
gtk_print_settings_get_resolution (settings));
ppd_attr_res_screen_freq = ppdFindAttr (ppd_file, "ResScreenFreq", res_string);
g_free (res_string);
if (ppd_attr_res_screen_freq == NULL)
{
res_string = g_strdup_printf ("%dx%ddpi",
gtk_print_settings_get_resolution_x (settings),
gtk_print_settings_get_resolution_y (settings));
ppd_attr_res_screen_freq = ppdFindAttr (ppd_file, "ResScreenFreq", res_string);
g_free (res_string);
}
ppd_attr_screen_freq = ppdFindAttr (ppd_file, "ScreenFreq", NULL);
if (ppd_attr_res_screen_freq != NULL && atof (ppd_attr_res_screen_freq->value) > 0.0)
gtk_print_settings_set_printer_lpi (settings, atof (ppd_attr_res_screen_freq->value));
else if (ppd_attr_screen_freq != NULL && atof (ppd_attr_screen_freq->value) > 0.0)
gtk_print_settings_set_printer_lpi (settings, atof (ppd_attr_screen_freq->value));
}
if (level == 2)
cairo_ps_surface_restrict_to_level (surface, CAIRO_PS_LEVEL_2);
if (level == 3)
cairo_ps_surface_restrict_to_level (surface, CAIRO_PS_LEVEL_3);
cairo_surface_set_fallback_resolution (surface,
2.0 * gtk_print_settings_get_printer_lpi (settings),
2.0 * gtk_print_settings_get_printer_lpi (settings));
return surface;
}
typedef struct {
GtkPrintJobCompleteFunc callback;
GtkPrintJob *job;
gpointer user_data;
GDestroyNotify dnotify;
} CupsPrintStreamData;
static void
cups_free_print_stream_data (CupsPrintStreamData *data)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
if (data->dnotify)
data->dnotify (data->user_data);
g_object_unref (data->job);
g_free (data);
}
static void
cups_print_cb (GtkPrintBackendCups *print_backend,
GtkCupsResult *result,
gpointer user_data)
{
GError *error = NULL;
CupsPrintStreamData *ps = user_data;
GDK_THREADS_ENTER ();
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
if (gtk_cups_result_is_error (result))
error = g_error_new_literal (gtk_print_error_quark (),
GTK_PRINT_ERROR_INTERNAL_ERROR,
gtk_cups_result_get_error_string (result));
if (ps->callback)
ps->callback (ps->job, ps->user_data, error);
if (error == NULL)
{
int job_id = 0;
ipp_attribute_t *attr; /* IPP job-id attribute */
ipp_t *response = gtk_cups_result_get_response (result);
if ((attr = ippFindAttribute (response, "job-id", IPP_TAG_INTEGER)) != NULL)
job_id = attr->values[0].integer;
if (!gtk_print_job_get_track_print_status (ps->job) || job_id == 0)
gtk_print_job_set_status (ps->job, GTK_PRINT_STATUS_FINISHED);
else
{
gtk_print_job_set_status (ps->job, GTK_PRINT_STATUS_PENDING);
cups_begin_polling_info (print_backend, ps->job, job_id);
}
}
else
gtk_print_job_set_status (ps->job, GTK_PRINT_STATUS_FINISHED_ABORTED);
if (error)
g_error_free (error);
GDK_THREADS_LEAVE ();
}
static void
add_cups_options (const gchar *key,
const gchar *value,
gpointer user_data)
{
GtkCupsRequest *request = user_data;
if (!g_str_has_prefix (key, "cups-"))
return;
if (strcmp (value, "gtk-ignore-value") == 0)
return;
key = key + strlen ("cups-");
gtk_cups_request_encode_option (request, key, value);
}
static void
gtk_print_backend_cups_print_stream (GtkPrintBackend *print_backend,
GtkPrintJob *job,
GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
gpointer user_data,
GDestroyNotify dnotify)
{
GtkPrinterCups *cups_printer;
CupsPrintStreamData *ps;
GtkCupsRequest *request;
GtkPrintSettings *settings;
const gchar *title;
char printer_absolute_uri[HTTP_MAX_URI];
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
cups_printer = GTK_PRINTER_CUPS (gtk_print_job_get_printer (job));
settings = gtk_print_job_get_settings (job);
request = gtk_cups_request_new_with_username (NULL,
GTK_CUPS_POST,
IPP_PRINT_JOB,
data_io,
NULL,
cups_printer->device_uri,
GTK_PRINT_BACKEND_CUPS (print_backend)->username);
#if (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 2) || CUPS_VERSION_MAJOR > 1
httpAssembleURIf (HTTP_URI_CODING_ALL,
printer_absolute_uri,
sizeof (printer_absolute_uri),
"ipp",
NULL,
"localhost",
ippPort (),
"/printers/%s",
gtk_printer_get_name (gtk_print_job_get_printer (job)));
#else
g_snprintf (printer_absolute_uri,
sizeof (printer_absolute_uri),
"ipp://localhost:%d/printers/%s",
ippPort (),
gtk_printer_get_name (gtk_print_job_get_printer (job)));
#endif
gtk_cups_request_ipp_add_string (request, IPP_TAG_OPERATION,
IPP_TAG_URI, "printer-uri",
NULL, printer_absolute_uri);
title = gtk_print_job_get_title (job);
if (title)
gtk_cups_request_ipp_add_string (request, IPP_TAG_OPERATION,
IPP_TAG_NAME, "job-name",
NULL, title);
gtk_print_settings_foreach (settings, add_cups_options, request);
ps = g_new0 (CupsPrintStreamData, 1);
ps->callback = callback;
ps->user_data = user_data;
ps->dnotify = dnotify;
ps->job = g_object_ref (job);
request->need_auth_info = cups_printer->auth_info_required != NULL;
request->auth_info_required = g_strdupv (cups_printer->auth_info_required);
cups_request_execute (GTK_PRINT_BACKEND_CUPS (print_backend),
request,
(GtkPrintCupsResponseCallbackFunc) cups_print_cb,
ps,
(GDestroyNotify)cups_free_print_stream_data);
}
void overwrite_and_free (gpointer data)
{
gchar *password = (gchar *) data;
if (password != NULL)
{
memset (password, 0, strlen (password));
g_free (password);
}
}
static void
gtk_print_backend_cups_init (GtkPrintBackendCups *backend_cups)
{
backend_cups->list_printers_poll = FALSE;
backend_cups->got_default_printer = FALSE;
backend_cups->list_printers_pending = FALSE;
backend_cups->list_printers_attempts = 0;
backend_cups->reading_ppds = 0;
backend_cups->requests = NULL;
backend_cups->auth = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, overwrite_and_free);
backend_cups->authentication_lock = FALSE;
backend_cups->covers = NULL;
backend_cups->number_of_covers = 0;
backend_cups->default_printer_poll = 0;
backend_cups->cups_connection_test = NULL;
backend_cups->username = NULL;
cups_get_local_default_printer (backend_cups);
}
static void
gtk_print_backend_cups_finalize (GObject *object)
{
GtkPrintBackendCups *backend_cups;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: finalizing CUPS backend module\n"));
backend_cups = GTK_PRINT_BACKEND_CUPS (object);
g_free (backend_cups->default_printer);
backend_cups->default_printer = NULL;
g_strfreev (backend_cups->covers);
backend_cups->number_of_covers = 0;
gtk_cups_connection_test_free (backend_cups->cups_connection_test);
backend_cups->cups_connection_test = NULL;
g_hash_table_destroy (backend_cups->auth);
g_free (backend_cups->username);
backend_parent_class->finalize (object);
}
static void
gtk_print_backend_cups_dispose (GObject *object)
{
GtkPrintBackendCups *backend_cups;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
backend_cups = GTK_PRINT_BACKEND_CUPS (object);
if (backend_cups->list_printers_poll > 0)
g_source_remove (backend_cups->list_printers_poll);
backend_cups->list_printers_poll = 0;
backend_cups->list_printers_attempts = 0;
if (backend_cups->default_printer_poll > 0)
g_source_remove (backend_cups->default_printer_poll);
backend_cups->default_printer_poll = 0;
backend_parent_class->dispose (object);
}
static gboolean
is_address_local (const gchar *address)
{
if (address[0] == '/' ||
strcmp (address, "127.0.0.1") == 0 ||
strcmp (address, "[::1]") == 0)
return TRUE;
else
return FALSE;
}
#ifndef HAVE_CUPS_API_1_2
/* Included from CUPS library because of backward compatibility */
const char *
httpGetHostname(http_t *http,
char *s,
int slen)
{
struct hostent *host;
if (!s || slen <= 1)
return (NULL);
if (http)
{
if (http->hostname[0] == '/')
g_strlcpy (s, "localhost", slen);
else
g_strlcpy (s, http->hostname, slen);
}
else
{
if (gethostname (s, slen) < 0)
g_strlcpy (s, "localhost", slen);
if (!strchr (s, '.'))
{
if ((host = gethostbyname (s)) != NULL && host->h_name)
g_strlcpy (s, host->h_name, slen);
}
}
return (s);
}
#endif
static void
gtk_print_backend_cups_set_password (GtkPrintBackend *backend,
gchar **auth_info_required,
gchar **auth_info)
{
GtkPrintBackendCups *cups_backend = GTK_PRINT_BACKEND_CUPS (backend);
GList *l;
char dispatch_hostname[HTTP_MAX_URI];
gchar *key;
gchar *username = NULL;
gchar *hostname = NULL;
gchar *password = NULL;
gint length;
gint i;
length = g_strv_length (auth_info_required);
if (auth_info != NULL)
for (i = 0; i < length; i++)
{
if (g_strcmp0 (auth_info_required[i], "username") == 0)
username = g_strdup (auth_info[i]);
else if (g_strcmp0 (auth_info_required[i], "hostname") == 0)
hostname = g_strdup (auth_info[i]);
else if (g_strcmp0 (auth_info_required[i], "password") == 0)
password = g_strdup (auth_info[i]);
}
if (hostname != NULL && username != NULL && password != NULL)
{
key = g_strconcat (username, "@", hostname, NULL);
g_hash_table_insert (cups_backend->auth, key, g_strdup (password));
}
g_free (cups_backend->username);
cups_backend->username = g_strdup (username);
GTK_NOTE (PRINTING,
g_print ("CUPS backend: storing password for %s\n", key));
for (l = cups_backend->requests; l; l = l->next)
{
GtkPrintCupsDispatchWatch *dispatch = l->data;
httpGetHostname (dispatch->request->http, dispatch_hostname, sizeof (dispatch_hostname));
if (is_address_local (dispatch_hostname))
strcpy (dispatch_hostname, "localhost");
if (dispatch->request->need_auth_info)
{
if (auth_info != NULL)
{
dispatch->request->auth_info = g_new0 (gchar *, length + 1);
for (i = 0; i < length; i++)
dispatch->request->auth_info[i] = g_strdup (auth_info[i]);
}
dispatch->backend->authentication_lock = FALSE;
dispatch->request->need_auth_info = FALSE;
}
else if (dispatch->request->password_state == GTK_CUPS_PASSWORD_REQUESTED || auth_info == NULL)
{
overwrite_and_free (dispatch->request->password);
dispatch->request->password = g_strdup (password);
g_free (dispatch->request->username);
dispatch->request->username = g_strdup (username);
dispatch->request->password_state = GTK_CUPS_PASSWORD_HAS;
dispatch->backend->authentication_lock = FALSE;
}
}
}
static gboolean
request_password (gpointer data)
{
GtkPrintCupsDispatchWatch *dispatch = data;
const gchar *username;
gchar *password;
gchar *prompt = NULL;
gchar *key = NULL;
char hostname[HTTP_MAX_URI];
gchar **auth_info_required;
gchar **auth_info_default;
gchar **auth_info_display;
gboolean *auth_info_visible;
gint length = 3;
gint i;
if (dispatch->backend->authentication_lock)
return FALSE;
httpGetHostname (dispatch->request->http, hostname, sizeof (hostname));
if (is_address_local (hostname))
strcpy (hostname, "localhost");
if (dispatch->backend->username != NULL)
username = dispatch->backend->username;
else
username = cupsUser ();
auth_info_required = g_new0 (gchar*, length + 1);
auth_info_required[0] = g_strdup ("hostname");
auth_info_required[1] = g_strdup ("username");
auth_info_required[2] = g_strdup ("password");
auth_info_default = g_new0 (gchar*, length + 1);
auth_info_default[0] = g_strdup (hostname);
auth_info_default[1] = g_strdup (username);
auth_info_display = g_new0 (gchar*, length + 1);
auth_info_display[1] = g_strdup (_("Username:"));
auth_info_display[2] = g_strdup (_("Password:"));
auth_info_visible = g_new0 (gboolean, length + 1);
auth_info_visible[1] = TRUE;
key = g_strconcat (username, "@", hostname, NULL);
password = g_hash_table_lookup (dispatch->backend->auth, key);
if (password && dispatch->request->password_state != GTK_CUPS_PASSWORD_NOT_VALID)
{
GTK_NOTE (PRINTING,
g_print ("CUPS backend: using stored password for %s\n", key));
overwrite_and_free (dispatch->request->password);
dispatch->request->password = g_strdup (password);
g_free (dispatch->request->username);
dispatch->request->username = g_strdup (username);
dispatch->request->password_state = GTK_CUPS_PASSWORD_HAS;
}
else
{
const char *job_title = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_NAME, "job-name");
const char *printer_uri = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_URI, "printer-uri");
char *printer_name = NULL;
if (printer_uri != NULL && strrchr (printer_uri, '/') != NULL)
printer_name = g_strdup (strrchr (printer_uri, '/') + 1);
if (dispatch->request->password_state == GTK_CUPS_PASSWORD_NOT_VALID)
g_hash_table_remove (dispatch->backend->auth, key);
dispatch->request->password_state = GTK_CUPS_PASSWORD_REQUESTED;
dispatch->backend->authentication_lock = TRUE;
switch (dispatch->request->ipp_request->request.op.operation_id)
{
case 0:
prompt = g_strdup_printf ( _("Authentication is required to get a file from %s"), hostname);
break;
case IPP_PRINT_JOB:
if (job_title != NULL && printer_name != NULL)
prompt = g_strdup_printf ( _("Authentication is required to print document '%s' on printer %s"), job_title, printer_name);
else
prompt = g_strdup_printf ( _("Authentication is required to print a document on %s"), hostname);
break;
case IPP_GET_JOB_ATTRIBUTES:
if (job_title != NULL)
prompt = g_strdup_printf ( _("Authentication is required to get attributes of job '%s'"), job_title);
else
prompt = g_strdup ( _("Authentication is required to get attributes of a job"));
break;
case IPP_GET_PRINTER_ATTRIBUTES:
if (printer_name != NULL)
prompt = g_strdup_printf ( _("Authentication is required to get attributes of printer %s"), printer_name);
else
prompt = g_strdup ( _("Authentication is required to get attributes of a printer"));
break;
case CUPS_GET_DEFAULT:
prompt = g_strdup_printf ( _("Authentication is required to get default printer of %s"), hostname);
break;
case CUPS_GET_PRINTERS:
prompt = g_strdup_printf ( _("Authentication is required to get printers from %s"), hostname);
break;
default:
prompt = g_strdup_printf ( _("Authentication is required on %s"), hostname);
break;
}
g_free (printer_name);
g_signal_emit_by_name (dispatch->backend, "request-password",
auth_info_required, auth_info_default, auth_info_display, auth_info_visible, prompt);
g_free (prompt);
}
for (i = 0; i < length; i++)
{
g_free (auth_info_required[i]);
g_free (auth_info_default[i]);
g_free (auth_info_display[i]);
}
g_free (auth_info_required);
g_free (auth_info_default);
g_free (auth_info_display);
g_free (auth_info_visible);
g_free (key);
return FALSE;
}
static void
cups_dispatch_add_poll (GSource *source)
{
GtkPrintCupsDispatchWatch *dispatch;
GtkCupsPollState poll_state;
dispatch = (GtkPrintCupsDispatchWatch *) source;
poll_state = gtk_cups_request_get_poll_state (dispatch->request);
if (dispatch->request->http != NULL)
{
if (dispatch->data_poll == NULL)
{
dispatch->data_poll = g_new0 (GPollFD, 1);
if (poll_state == GTK_CUPS_HTTP_READ)
dispatch->data_poll->events = G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_PRI;
else if (poll_state == GTK_CUPS_HTTP_WRITE)
dispatch->data_poll->events = G_IO_OUT | G_IO_ERR;
else
dispatch->data_poll->events = 0;
#ifdef HAVE_CUPS_API_1_2
dispatch->data_poll->fd = httpGetFd (dispatch->request->http);
#else
dispatch->data_poll->fd = dispatch->request->http->fd;
#endif
g_source_add_poll (source, dispatch->data_poll);
}
}
}
static gboolean
check_auth_info (gpointer user_data)
{
GtkPrintCupsDispatchWatch *dispatch;
dispatch = (GtkPrintCupsDispatchWatch *) user_data;
if (!dispatch->request->need_auth_info)
{
if (dispatch->request->auth_info == NULL)
{
dispatch->callback (GTK_PRINT_BACKEND (dispatch->backend),
gtk_cups_request_get_result (dispatch->request),
dispatch->callback_data);
g_source_destroy ((GSource *) dispatch);
}
else
{
gint length;
gint i;
length = g_strv_length (dispatch->request->auth_info_required);
gtk_cups_request_ipp_add_strings (dispatch->request,
IPP_TAG_JOB,
IPP_TAG_TEXT,
"auth-info",
length,
NULL,
dispatch->request->auth_info);
g_source_attach ((GSource *) dispatch, NULL);
g_source_unref ((GSource *) dispatch);
for (i = 0; i < length; i++)
overwrite_and_free (dispatch->request->auth_info[i]);
g_free (dispatch->request->auth_info);
dispatch->request->auth_info = NULL;
}
return FALSE;
}
return TRUE;
}
static gboolean
request_auth_info (gpointer user_data)
{
GtkPrintCupsDispatchWatch *dispatch;
const char *job_title;
const char *printer_uri;
gchar *prompt = NULL;
char *printer_name = NULL;
gint length;
gint i;
gboolean *auth_info_visible = NULL;
gchar **auth_info_default = NULL;
gchar **auth_info_display = NULL;
dispatch = (GtkPrintCupsDispatchWatch *) user_data;
if (dispatch->backend->authentication_lock)
return FALSE;
job_title = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_NAME, "job-name");
printer_uri = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_URI, "printer-uri");
length = g_strv_length (dispatch->request->auth_info_required);
auth_info_visible = g_new0 (gboolean, length);
auth_info_default = g_new0 (gchar *, length + 1);
auth_info_display = g_new0 (gchar *, length + 1);
for (i = 0; i < length; i++)
{
if (g_strcmp0 (dispatch->request->auth_info_required[i], "domain") == 0)
{
auth_info_display[i] = g_strdup (_("Domain:"));
auth_info_default[i] = g_strdup ("WORKGROUP");
auth_info_visible[i] = TRUE;
}
else if (g_strcmp0 (dispatch->request->auth_info_required[i], "username") == 0)
{
auth_info_display[i] = g_strdup (_("Username:"));
if (dispatch->backend->username != NULL)
auth_info_default[i] = g_strdup (dispatch->backend->username);
else
auth_info_default[i] = g_strdup (cupsUser ());
auth_info_visible[i] = TRUE;
}
else if (g_strcmp0 (dispatch->request->auth_info_required[i], "password") == 0)
{
auth_info_display[i] = g_strdup (_("Password:"));
auth_info_visible[i] = FALSE;
}
}
if (printer_uri != NULL && strrchr (printer_uri, '/') != NULL)
printer_name = g_strdup (strrchr (printer_uri, '/') + 1);
dispatch->backend->authentication_lock = TRUE;
if (job_title != NULL)
{
if (printer_name != NULL)
prompt = g_strdup_printf ( _("Authentication is required to print document '%s' on printer %s"), job_title, printer_name);
else
prompt = g_strdup_printf ( _("Authentication is required to print document '%s'"), job_title);
}
else
{
if (printer_name != NULL)
prompt = g_strdup_printf ( _("Authentication is required to print this document on printer %s"), printer_name);
else
prompt = g_strdup ( _("Authentication is required to print this document"));
}
g_signal_emit_by_name (dispatch->backend, "request-password",
dispatch->request->auth_info_required,
auth_info_default,
auth_info_display,
auth_info_visible,
prompt);
for (i = 0; i < length; i++)
{
g_free (auth_info_default[i]);
g_free (auth_info_display[i]);
}
g_free (auth_info_default);
g_free (auth_info_display);
g_free (printer_name);
g_free (prompt);
g_idle_add (check_auth_info, user_data);
return FALSE;
}
static gboolean
cups_dispatch_watch_check (GSource *source)
{
GtkPrintCupsDispatchWatch *dispatch;
GtkCupsPollState poll_state;
gboolean result;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p>\n", G_STRFUNC, source));
dispatch = (GtkPrintCupsDispatchWatch *) source;
poll_state = gtk_cups_request_get_poll_state (dispatch->request);
cups_dispatch_add_poll (source);
if (poll_state != GTK_CUPS_HTTP_IDLE && !dispatch->request->need_password)
if (!(dispatch->data_poll->revents & dispatch->data_poll->events))
return FALSE;
result = gtk_cups_request_read_write (dispatch->request);
if (result && dispatch->data_poll != NULL)
{
g_source_remove_poll (source, dispatch->data_poll);
g_free (dispatch->data_poll);
dispatch->data_poll = NULL;
}
if (dispatch->request->need_password && dispatch->request->password_state != GTK_CUPS_PASSWORD_REQUESTED)
{
dispatch->request->need_password = FALSE;
g_idle_add (request_password, dispatch);
result = FALSE;
}
return result;
}
static gboolean
cups_dispatch_watch_prepare (GSource *source,
gint *timeout_)
{
GtkPrintCupsDispatchWatch *dispatch;
gboolean result;
dispatch = (GtkPrintCupsDispatchWatch *) source;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p>\n", G_STRFUNC, source));
*timeout_ = -1;
result = gtk_cups_request_read_write (dispatch->request);
cups_dispatch_add_poll (source);
return result;
}
static gboolean
cups_dispatch_watch_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
GtkPrintCupsDispatchWatch *dispatch;
GtkPrintCupsResponseCallbackFunc ep_callback;
GtkCupsResult *result;
g_assert (callback != NULL);
ep_callback = (GtkPrintCupsResponseCallbackFunc) callback;
dispatch = (GtkPrintCupsDispatchWatch *) source;
result = gtk_cups_request_get_result (dispatch->request);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p>\n", G_STRFUNC, source));
if (gtk_cups_result_is_error (result))
{
GTK_NOTE (PRINTING,
g_print("Error result: %s (type %i, status %i, code %i)\n",
gtk_cups_result_get_error_string (result),
gtk_cups_result_get_error_type (result),
gtk_cups_result_get_error_status (result),
gtk_cups_result_get_error_code (result)));
}
ep_callback (GTK_PRINT_BACKEND (dispatch->backend), result, user_data);
return FALSE;
}
static void
cups_dispatch_watch_finalize (GSource *source)
{
GtkPrintCupsDispatchWatch *dispatch;
GtkCupsResult *result;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p>\n", G_STRFUNC, source));
dispatch = (GtkPrintCupsDispatchWatch *) source;
result = gtk_cups_request_get_result (dispatch->request);
if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH)
{
const gchar *username;
gchar hostname[HTTP_MAX_URI];
gchar *key;
httpGetHostname (dispatch->request->http, hostname, sizeof (hostname));
if (is_address_local (hostname))
strcpy (hostname, "localhost");
if (dispatch->backend->username != NULL)
username = dispatch->backend->username;
else
username = cupsUser ();
key = g_strconcat (username, "@", hostname, NULL);
GTK_NOTE (PRINTING,
g_print ("CUPS backend: removing stored password for %s\n", key));
g_hash_table_remove (dispatch->backend->auth, key);
g_free (key);
if (dispatch->backend)
dispatch->backend->authentication_lock = FALSE;
}
gtk_cups_request_free (dispatch->request);
if (dispatch->backend)
{
/* We need to unref this at idle time, because it might be the
* last reference to this module causing the code to be
* unloaded (including this particular function!)
* Update: Doing this at idle caused a deadlock taking the
* mainloop context lock while being in a GSource callout for
* multithreaded apps. So, for now we just disable unloading
* of print backends. See _gtk_print_backend_create for the
* disabling.
*/
dispatch->backend->requests = g_list_remove (dispatch->backend->requests, dispatch);
g_object_unref (dispatch->backend);
dispatch->backend = NULL;
}
g_free (dispatch->data_poll);
}
static GSourceFuncs _cups_dispatch_watch_funcs = {
cups_dispatch_watch_prepare,
cups_dispatch_watch_check,
cups_dispatch_watch_dispatch,
cups_dispatch_watch_finalize
};
static void
cups_request_execute (GtkPrintBackendCups *print_backend,
GtkCupsRequest *request,
GtkPrintCupsResponseCallbackFunc callback,
gpointer user_data,
GDestroyNotify notify)
{
GtkPrintCupsDispatchWatch *dispatch;
dispatch = (GtkPrintCupsDispatchWatch *) g_source_new (&_cups_dispatch_watch_funcs,
sizeof (GtkPrintCupsDispatchWatch));
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p> - Executing cups request on server '%s' and resource '%s'\n", G_STRFUNC, dispatch, request->server, request->resource));
dispatch->request = request;
dispatch->backend = g_object_ref (print_backend);
dispatch->data_poll = NULL;
dispatch->callback = NULL;
dispatch->callback_data = NULL;
print_backend->requests = g_list_prepend (print_backend->requests, dispatch);
g_source_set_callback ((GSource *) dispatch, (GSourceFunc) callback, user_data, notify);
if (request->need_auth_info)
{
dispatch->callback = callback;
dispatch->callback_data = user_data;
request_auth_info (dispatch);
}
else
{
g_source_attach ((GSource *) dispatch, NULL);
g_source_unref ((GSource *) dispatch);
}
}
#if 0
static void
cups_request_printer_info_cb (GtkPrintBackendCups *backend,
GtkCupsResult *result,
gpointer user_data)
{
ipp_attribute_t *attr;
ipp_t *response;
gchar *printer_name;
GtkPrinterCups *cups_printer;
GtkPrinter *printer;
gchar *loc;
gchar *desc;
gchar *state_msg;
int job_count;
gboolean status_changed;
g_assert (GTK_IS_PRINT_BACKEND_CUPS (backend));
printer_name = (gchar *)user_data;
printer = gtk_print_backend_find_printer (GTK_PRINT_BACKEND (backend),
printer_name);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s - Got printer info for printer '%s'\n", G_STRFUNC, printer_name));
if (!printer)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Could not find printer called '%s'\n", printer_name));
return;
}
cups_printer = GTK_PRINTER_CUPS (printer);
if (gtk_cups_result_is_error (result))
{
if (gtk_printer_is_new (printer))
{
gtk_print_backend_remove_printer (GTK_PRINT_BACKEND (backend),
printer);
return;
}
else
return; /* TODO: mark as inactive printer */
}
response = gtk_cups_result_get_response (result);
/* TODO: determine printer type and use correct icon */
gtk_printer_set_icon_name (printer, "gtk-print");
state_msg = "";
loc = "";
desc = "";
job_count = 0;
for (attr = response->attrs; attr != NULL; attr = attr->next)
{
if (!attr->name)
continue;
_CUPS_MAP_ATTR_STR (attr, loc, "printer-location");
_CUPS_MAP_ATTR_STR (attr, desc, "printer-info");
_CUPS_MAP_ATTR_STR (attr, state_msg, "printer-state-message");
_CUPS_MAP_ATTR_INT (attr, cups_printer->state, "printer-state");
_CUPS_MAP_ATTR_INT (attr, job_count, "queued-job-count");
}
status_changed = gtk_printer_set_job_count (printer, job_count);
status_changed |= gtk_printer_set_location (printer, loc);
status_changed |= gtk_printer_set_description (printer, desc);
status_changed |= gtk_printer_set_state_message (printer, state_msg);
if (status_changed)
g_signal_emit_by_name (GTK_PRINT_BACKEND (backend),
"printer-status-changed", printer);
}
static void
cups_request_printer_info (GtkPrintBackendCups *print_backend,
const gchar *printer_name)
{
GtkCupsRequest *request;
gchar *printer_uri;
static const char * const pattrs[] = /* Attributes we're interested in */
{
"printer-location",
"printer-info",
"printer-state-message",
"printer-state",
"queued-job-count",
"job-sheets-supported",
"job-sheets-default"
};
request = gtk_cups_request_new_with_username (NULL,
GTK_CUPS_POST,
IPP_GET_PRINTER_ATTRIBUTES,
NULL,
NULL,
NULL,
print_backend->username);
printer_uri = g_strdup_printf ("ipp://localhost/printers/%s",
printer_name);
gtk_cups_request_ipp_add_string (request, IPP_TAG_OPERATION, IPP_TAG_URI,
"printer-uri", NULL, printer_uri);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s - Requesting printer info for URI '%s'\n", G_STRFUNC, printer_uri));
g_free (printer_uri);
gtk_cups_request_ipp_add_strings (request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", G_N_ELEMENTS (pattrs),
NULL, pattrs);
cups_request_execute (print_backend,
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_printer_info_cb,
g_strdup (printer_name),
(GDestroyNotify) g_free);
}
#endif
typedef struct {
GtkPrintBackendCups *print_backend;
GtkPrintJob *job;
int job_id;
int counter;
} CupsJobPollData;
static void
job_object_died (gpointer user_data,
GObject *where_the_object_was)
{
CupsJobPollData *data = user_data;
data->job = NULL;
}
static void
cups_job_poll_data_free (CupsJobPollData *data)
{
if (data->job)
g_object_weak_unref (G_OBJECT (data->job), job_object_died, data);
g_free (data);
}
static void
cups_request_job_info_cb (GtkPrintBackendCups *print_backend,
GtkCupsResult *result,
gpointer user_data)
{
CupsJobPollData *data = user_data;
ipp_attribute_t *attr;
ipp_t *response;
int state;
gboolean done;
GDK_THREADS_ENTER ();
if (data->job == NULL)
{
cups_job_poll_data_free (data);
goto done;
}
data->counter++;
response = gtk_cups_result_get_response (result);
state = 0;
for (attr = response->attrs; attr != NULL; attr = attr->next)
{
if (!attr->name)
continue;
_CUPS_MAP_ATTR_INT (attr, state, "job-state");
}
done = FALSE;
switch (state)
{
case IPP_JOB_PENDING:
case IPP_JOB_HELD:
case IPP_JOB_STOPPED:
gtk_print_job_set_status (data->job,
GTK_PRINT_STATUS_PENDING);
break;
case IPP_JOB_PROCESSING:
gtk_print_job_set_status (data->job,
GTK_PRINT_STATUS_PRINTING);
break;
default:
case IPP_JOB_CANCELLED:
case IPP_JOB_ABORTED:
gtk_print_job_set_status (data->job,
GTK_PRINT_STATUS_FINISHED_ABORTED);
done = TRUE;
break;
case 0:
case IPP_JOB_COMPLETED:
gtk_print_job_set_status (data->job,
GTK_PRINT_STATUS_FINISHED);
done = TRUE;
break;
}
if (!done && data->job != NULL)
{
guint32 timeout;
if (data->counter < 5)
timeout = 100;
else if (data->counter < 10)
timeout = 500;
else
timeout = 1000;
g_timeout_add (timeout, cups_job_info_poll_timeout, data);
}
else
cups_job_poll_data_free (data);
done:
GDK_THREADS_LEAVE ();
}
static void
cups_request_job_info (CupsJobPollData *data)
{
GtkCupsRequest *request;
gchar *job_uri;
request = gtk_cups_request_new_with_username (NULL,
GTK_CUPS_POST,
IPP_GET_JOB_ATTRIBUTES,
NULL,
NULL,
NULL,
data->print_backend->username);
job_uri = g_strdup_printf ("ipp://localhost/jobs/%d", data->job_id);
gtk_cups_request_ipp_add_string (request, IPP_TAG_OPERATION, IPP_TAG_URI,
"job-uri", NULL, job_uri);
g_free (job_uri);
cups_request_execute (data->print_backend,
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_job_info_cb,
data,
NULL);
}
static gboolean
cups_job_info_poll_timeout (gpointer user_data)
{
CupsJobPollData *data = user_data;
if (data->job == NULL)
cups_job_poll_data_free (data);
else
cups_request_job_info (data);
return FALSE;
}
static void
cups_begin_polling_info (GtkPrintBackendCups *print_backend,
GtkPrintJob *job,
gint job_id)
{
CupsJobPollData *data;
data = g_new0 (CupsJobPollData, 1);
data->print_backend = print_backend;
data->job = job;
data->job_id = job_id;
data->counter = 0;
g_object_weak_ref (G_OBJECT (job), job_object_died, data);
cups_request_job_info (data);
}
static void
mark_printer_inactive (GtkPrinter *printer,
GtkPrintBackend *backend)
{
gtk_printer_set_is_active (printer, FALSE);
g_signal_emit_by_name (backend, "printer-removed", printer);
}
static gint
find_printer (GtkPrinter *printer,
const gchar *find_name)
{
const gchar *printer_name;
printer_name = gtk_printer_get_name (printer);
return g_ascii_strcasecmp (printer_name, find_name);
}
static void
cups_request_printer_list_cb (GtkPrintBackendCups *cups_backend,
GtkCupsResult *result,
gpointer user_data)
{
GtkPrintBackend *backend = GTK_PRINT_BACKEND (cups_backend);
ipp_attribute_t *attr;
ipp_t *response;
gboolean list_has_changed;
GList *removed_printer_checklist;
gchar *remote_default_printer = NULL;
GDK_THREADS_ENTER ();
list_has_changed = FALSE;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
cups_backend->list_printers_pending = FALSE;
if (gtk_cups_result_is_error (result))
{
GTK_NOTE (PRINTING,
g_warning ("CUPS Backend: Error getting printer list: %s %d %d",
gtk_cups_result_get_error_string (result),
gtk_cups_result_get_error_type (result),
gtk_cups_result_get_error_code (result)));
if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH &&
gtk_cups_result_get_error_code (result) == 1)
{
/* Canceled by user, stop popping up more password dialogs */
if (cups_backend->list_printers_poll > 0)
g_source_remove (cups_backend->list_printers_poll);
cups_backend->list_printers_poll = 0;
cups_backend->list_printers_attempts = 0;
}
goto done;
}
/* Gather the names of the printers in the current queue
* so we may check to see if they were removed
*/
removed_printer_checklist = gtk_print_backend_get_printer_list (backend);
response = gtk_cups_result_get_response (result);
for (attr = response->attrs; attr != NULL; attr = attr->next)
{
GtkPrinter *printer;
const gchar *printer_name = NULL;
const gchar *printer_uri = NULL;
const gchar *member_uris = NULL;
const gchar *location = NULL;
const gchar *description = NULL;
const gchar *state_msg = NULL;
gint state = 0;
gint job_count = 0;
gboolean status_changed = FALSE;
GList *node;
gint i,j;
const gchar *reason_msg = NULL;
gchar *reason_msg_desc = NULL;
gchar *tmp_msg = NULL;
gchar *tmp_msg2 = NULL;
gint printer_state_reason_level = 0; /* 0 - none, 1 - report, 2 - warning, 3 - error */
gboolean interested_in = FALSE;
gboolean found = FALSE;
static const char * const reasons[] = /* Reasons we're interested in */
{
"toner-low",
"toner-empty",
"developer-low",
"developer-empty",
"marker-supply-low",
"marker-supply-empty",
"cover-open",
"door-open",
"media-low",
"media-empty",
"offline",
"connecting-to-device",
"other"
};
static const char * reasons_descs[] =
{
N_("Printer '%s' is low on toner."),
N_("Printer '%s' has no toner left."),
/* Translators: "Developer" like on photo development context */
N_("Printer '%s' is low on developer."),
/* Translators: "Developer" like on photo development context */
N_("Printer '%s' is out of developer."),
/* Translators: "marker" is one color bin of the printer */
N_("Printer '%s' is low on at least one marker supply."),
/* Translators: "marker" is one color bin of the printer */
N_("Printer '%s' is out of at least one marker supply."),
N_("The cover is open on printer '%s'."),
N_("The door is open on printer '%s'."),
N_("Printer '%s' is low on paper."),
N_("Printer '%s' is out of paper."),
N_("Printer '%s' is currently off-line."),
N_("Printer '%s' may not be connected."),
N_("There is a problem on printer '%s'.")
};
gboolean is_paused = FALSE;
gboolean is_accepting_jobs = TRUE;
gboolean default_printer = FALSE;
gboolean got_printer_type = FALSE;
gchar *default_cover_before = NULL;
gchar *default_cover_after = NULL;
gboolean remote_printer = FALSE;
gchar **auth_info_required = NULL;
/* Skip leading attributes until we hit a printer...
*/
while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
attr = attr->next;
if (attr == NULL)
break;
while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
{
if (strcmp (attr->name, "printer-name") == 0 &&
attr->value_tag == IPP_TAG_NAME)
printer_name = attr->values[0].string.text;
else if (strcmp (attr->name, "printer-uri-supported") == 0 &&
attr->value_tag == IPP_TAG_URI)
printer_uri = attr->values[0].string.text;
else if (strcmp (attr->name, "member-uris") == 0 &&
attr->value_tag == IPP_TAG_URI)
member_uris = attr->values[0].string.text;
else if (strcmp (attr->name, "printer-location") == 0)
location = attr->values[0].string.text;
else if (strcmp (attr->name, "printer-info") == 0)
description = attr->values[0].string.text;
else if (strcmp (attr->name, "printer-state-message") == 0)
state_msg = attr->values[0].string.text;
else if (strcmp (attr->name, "printer-state-reasons") == 0)
/* Store most important reason to reason_msg and set
its importance at printer_state_reason_level */
{
for (i = 0; i < attr->num_values; i++)
{
if (strcmp (attr->values[i].string.text, "none") != 0)
{
/* Sets is_paused flag for paused printer. */
if (strcmp (attr->values[i].string.text, "paused") == 0)
{
is_paused = TRUE;
}
interested_in = FALSE;
for (j = 0; j < G_N_ELEMENTS (reasons); j++)
if (strncmp (attr->values[i].string.text, reasons[j], strlen (reasons[j])) == 0)
{
interested_in = TRUE;
break;
}
if (interested_in)
{
if (g_str_has_suffix (attr->values[i].string.text, "-report"))
{
if (printer_state_reason_level <= 1)
{
reason_msg = attr->values[i].string.text;
printer_state_reason_level = 1;
}
}
else if (g_str_has_suffix (attr->values[i].string.text, "-warning"))
{
if (printer_state_reason_level <= 2)
{
reason_msg = attr->values[i].string.text;
printer_state_reason_level = 2;
}
}
else /* It is error in the case of no suffix. */
{
reason_msg = attr->values[i].string.text;
printer_state_reason_level = 3;
}
}
}
}
}
else if (strcmp (attr->name, "printer-state") == 0)
state = attr->values[0].integer;
else if (strcmp (attr->name, "queued-job-count") == 0)
job_count = attr->values[0].integer;
else if (strcmp (attr->name, "printer-is-accepting-jobs") == 0)
{
if (attr->values[0].boolean == 1)
is_accepting_jobs = TRUE;
else
is_accepting_jobs = FALSE;
}
else if (strcmp (attr->name, "job-sheets-supported") == 0)
{
if (cups_backend->covers == NULL)
{
cups_backend->number_of_covers = attr->num_values;
cups_backend->covers = g_new (char *, cups_backend->number_of_covers + 1);
for (i = 0; i < cups_backend->number_of_covers; i++)
cups_backend->covers[i] = g_strdup (attr->values[i].string.text);
cups_backend->covers[cups_backend->number_of_covers] = NULL;
}
}
else if (strcmp (attr->name, "job-sheets-default") == 0)
{
if (attr->num_values == 2)
{
default_cover_before = attr->values[0].string.text;
default_cover_after = attr->values[1].string.text;
}
}
else if (strcmp (attr->name, "printer-type") == 0)
{
got_printer_type = TRUE;
if (attr->values[0].integer & 0x00020000)
default_printer = TRUE;
else
default_printer = FALSE;
if (attr->values[0].integer & 0x00000002)
remote_printer = TRUE;
else
remote_printer = FALSE;
}
else if (strcmp (attr->name, "auth-info-required") == 0)
{
if (strcmp (attr->values[0].string.text, "none") != 0)
{
auth_info_required = g_new0 (gchar *, attr->num_values + 1);
for (i = 0; i < attr->num_values; i++)
auth_info_required[i] = g_strdup (attr->values[i].string.text);
}
}
else
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Attribute %s ignored", attr->name));
}
attr = attr->next;
}
if (printer_name == NULL ||
(printer_uri == NULL && member_uris == NULL))
{
if (attr == NULL)
break;
else
continue;
}
if (got_printer_type)
{
if (default_printer && !cups_backend->got_default_printer)
{
if (!remote_printer)
{
cups_backend->got_default_printer = TRUE;
cups_backend->default_printer = g_strdup (printer_name);
}
else
{
if (remote_default_printer == NULL)
remote_default_printer = g_strdup (printer_name);
}
}
}
else
{
if (!cups_backend->got_default_printer)
cups_get_default_printer (cups_backend);
}
/* remove name from checklist if it was found */
node = g_list_find_custom (removed_printer_checklist, printer_name, (GCompareFunc) find_printer);
removed_printer_checklist = g_list_delete_link (removed_printer_checklist, node);
printer = gtk_print_backend_find_printer (backend, printer_name);
if (!printer)
{
GtkPrinterCups *cups_printer;
char uri[HTTP_MAX_URI]; /* Printer URI */
char method[HTTP_MAX_URI]; /* Method/scheme name */
char username[HTTP_MAX_URI]; /* Username:password */
char hostname[HTTP_MAX_URI]; /* Hostname */
char resource[HTTP_MAX_URI]; /* Resource name */
int port; /* Port number */
char *cups_server; /* CUPS server */
list_has_changed = TRUE;
cups_printer = gtk_printer_cups_new (printer_name, backend);
cups_printer->device_uri = g_strdup_printf ("/printers/%s", printer_name);
/* Check to see if we are looking at a class */
if (member_uris)
{
cups_printer->printer_uri = g_strdup (member_uris);
/* TODO if member_uris is a class we need to recursivly find a printer */
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Found class with printer %s\n", member_uris));
}
else
{
cups_printer->printer_uri = g_strdup (printer_uri);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Found printer %s\n", printer_uri));
}
#if (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 2) || CUPS_VERSION_MAJOR > 1
httpSeparateURI (HTTP_URI_CODING_ALL, cups_printer->printer_uri,
method, sizeof (method),
username, sizeof (username),
hostname, sizeof (hostname),
&port,
resource, sizeof (resource));
#else
httpSeparate (cups_printer->printer_uri,
method,
username,
hostname,
&port,
resource);
#endif
if (strncmp (resource, "/printers/", 10) == 0)
{
cups_printer->ppd_name = g_strdup (resource + 10);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Setting ppd name '%s' for printer/class '%s'\n", cups_printer->ppd_name, printer_name));
}
gethostname (uri, sizeof (uri));
cups_server = g_strdup (cupsServer());
if (strcasecmp (uri, hostname) == 0)
strcpy (hostname, "localhost");
/* if the cups server is local and listening at a unix domain socket
* then use the socket connection
*/
if ((strstr (hostname, "localhost") != NULL) &&
(cups_server[0] == '/'))
strcpy (hostname, cups_server);
g_free (cups_server);
cups_printer->default_cover_before = g_strdup (default_cover_before);
cups_printer->default_cover_after = g_strdup (default_cover_after);
cups_printer->hostname = g_strdup (hostname);
cups_printer->port = port;
cups_printer->auth_info_required = g_strdupv (auth_info_required);
g_strfreev (auth_info_required);
printer = GTK_PRINTER (cups_printer);
if (cups_backend->default_printer != NULL &&
strcmp (cups_backend->default_printer, gtk_printer_get_name (printer)) == 0)
gtk_printer_set_is_default (printer, TRUE);
gtk_print_backend_add_printer (backend, printer);
}
else
g_object_ref (printer);
GTK_PRINTER_CUPS (printer)->remote = remote_printer;
gtk_printer_set_is_paused (printer, is_paused);
gtk_printer_set_is_accepting_jobs (printer, is_accepting_jobs);
if (!gtk_printer_is_active (printer))
{
gtk_printer_set_is_active (printer, TRUE);
gtk_printer_set_is_new (printer, TRUE);
list_has_changed = TRUE;
}
if (gtk_printer_is_new (printer))
{
g_signal_emit_by_name (backend, "printer-added", printer);
gtk_printer_set_is_new (printer, FALSE);
}
#if 0
/* Getting printer info with separate requests overwhelms cups
* when the printer list has more than a handful of printers.
*/
cups_request_printer_info (cups_backend, gtk_printer_get_name (printer));
#endif
GTK_PRINTER_CUPS (printer)->state = state;
status_changed = gtk_printer_set_job_count (printer, job_count);
status_changed |= gtk_printer_set_location (printer, location);
status_changed |= gtk_printer_set_description (printer, description);
if (state_msg != NULL && strlen (state_msg) == 0)
{
if (is_paused && !is_accepting_jobs)
/* Translators: this is a printer status. */
tmp_msg2 = g_strdup ( N_("Paused ; Rejecting Jobs"));
if (is_paused && is_accepting_jobs)
/* Translators: this is a printer status. */
tmp_msg2 = g_strdup ( N_("Paused"));
if (!is_paused && !is_accepting_jobs)
/* Translators: this is a printer status. */
tmp_msg2 = g_strdup ( N_("Rejecting Jobs"));
if (tmp_msg2 != NULL)
state_msg = tmp_msg2;
}
/* Set description of the reason and combine it with printer-state-message. */
if ( (reason_msg != NULL))
{
for (i = 0; i < G_N_ELEMENTS (reasons); i++)
{
if (strncmp (reason_msg, reasons[i], strlen (reasons[i])) == 0)
{
reason_msg_desc = g_strdup_printf (reasons_descs[i], printer_name);
found = TRUE;
break;
}
}
if (!found)
printer_state_reason_level = 0;
if (printer_state_reason_level >= 2)
{
if (strlen (state_msg) == 0)
state_msg = reason_msg_desc;
else
{
tmp_msg = g_strjoin (" ; ", state_msg, reason_msg_desc, NULL);
state_msg = tmp_msg;
}
}
}
status_changed |= gtk_printer_set_state_message (printer, state_msg);
status_changed |= gtk_printer_set_is_accepting_jobs (printer, is_accepting_jobs);
if (tmp_msg != NULL)
g_free (tmp_msg);
if (tmp_msg2 != NULL)
g_free (tmp_msg2);
if (reason_msg_desc != NULL)
g_free (reason_msg_desc);
/* Set printer icon according to importance
(none, report, warning, error - report is omitted). */
if (printer_state_reason_level == 3)
gtk_printer_set_icon_name (printer, "gtk-print-error");
else if (printer_state_reason_level == 2)
gtk_printer_set_icon_name (printer, "gtk-print-warning");
else if (gtk_printer_is_paused (printer))
gtk_printer_set_icon_name (printer, "gtk-print-paused");
else
gtk_printer_set_icon_name (printer, "gtk-print");
if (status_changed)
g_signal_emit_by_name (GTK_PRINT_BACKEND (backend),
"printer-status-changed", printer);
/* The ref is held by GtkPrintBackend, in add_printer() */
g_object_unref (printer);
if (attr == NULL)
break;
}
/* look at the removed printers checklist and mark any printer
as inactive if it is in the list, emitting a printer_removed signal */
if (removed_printer_checklist != NULL)
{
g_list_foreach (removed_printer_checklist, (GFunc) mark_printer_inactive, backend);
g_list_free (removed_printer_checklist);
list_has_changed = TRUE;
}
done:
if (list_has_changed)
g_signal_emit_by_name (backend, "printer-list-changed");
gtk_print_backend_set_list_done (backend);
if (!cups_backend->got_default_printer && remote_default_printer != NULL)
{
cups_backend->default_printer = g_strdup (remote_default_printer);
cups_backend->got_default_printer = TRUE;
g_free (remote_default_printer);
if (cups_backend->default_printer != NULL)
{
GtkPrinter *default_printer = NULL;
default_printer = gtk_print_backend_find_printer (GTK_PRINT_BACKEND (cups_backend),
cups_backend->default_printer);
if (default_printer != NULL)
{
gtk_printer_set_is_default (default_printer, TRUE);
g_signal_emit_by_name (GTK_PRINT_BACKEND (cups_backend),
"printer-status-changed", default_printer);
}
}
}
GDK_THREADS_LEAVE ();
}
static void
update_backend_status (GtkPrintBackendCups *cups_backend,
GtkCupsConnectionState state)
{
switch (state)
{
case GTK_CUPS_CONNECTION_NOT_AVAILABLE:
g_object_set (cups_backend, "status", GTK_PRINT_BACKEND_STATUS_UNAVAILABLE, NULL);
break;
case GTK_CUPS_CONNECTION_AVAILABLE:
g_object_set (cups_backend, "status", GTK_PRINT_BACKEND_STATUS_OK, NULL);
break;
default: ;
}
}
static gboolean
cups_request_printer_list (GtkPrintBackendCups *cups_backend)
{
GtkCupsConnectionState state;
GtkCupsRequest *request;
static const char * const pattrs[] = /* Attributes we're interested in */
{
"printer-name",
"printer-uri-supported",
"member-uris",
"printer-location",
"printer-info",
"printer-state-message",
"printer-state-reasons",
"printer-state",
"queued-job-count",
"printer-is-accepting-jobs",
"job-sheets-supported",
"job-sheets-default",
"printer-type",
"auth-info-required"
};
if (cups_backend->reading_ppds > 0 || cups_backend->list_printers_pending)
return TRUE;
state = gtk_cups_connection_test_get_state (cups_backend->cups_connection_test);
update_backend_status (cups_backend, state);
if (cups_backend->list_printers_attempts == 60)
{
cups_backend->list_printers_attempts = -1;
if (cups_backend->list_printers_poll > 0)
g_source_remove (cups_backend->list_printers_poll);
cups_backend->list_printers_poll = gdk_threads_add_timeout (200,
(GSourceFunc) cups_request_printer_list,
cups_backend);
}
else if (cups_backend->list_printers_attempts != -1)
cups_backend->list_printers_attempts++;
if (state == GTK_CUPS_CONNECTION_IN_PROGRESS || state == GTK_CUPS_CONNECTION_NOT_AVAILABLE)
return TRUE;
else
if (cups_backend->list_printers_attempts > 0)
cups_backend->list_printers_attempts = 60;
cups_backend->list_printers_pending = TRUE;
request = gtk_cups_request_new_with_username (NULL,
GTK_CUPS_POST,
CUPS_GET_PRINTERS,
NULL,
NULL,
NULL,
cups_backend->username);
gtk_cups_request_ipp_add_strings (request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", G_N_ELEMENTS (pattrs),
NULL, pattrs);
cups_request_execute (cups_backend,
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_printer_list_cb,
request,
NULL);
return TRUE;
}
static void
cups_get_printer_list (GtkPrintBackend *backend)
{
GtkPrintBackendCups *cups_backend;
cups_backend = GTK_PRINT_BACKEND_CUPS (backend);
if (cups_backend->cups_connection_test == NULL)
cups_backend->cups_connection_test = gtk_cups_connection_test_new (NULL);
if (cups_backend->list_printers_poll == 0)
{
if (cups_request_printer_list (cups_backend))
cups_backend->list_printers_poll = gdk_threads_add_timeout (50,
(GSourceFunc) cups_request_printer_list,
backend);
}
}
typedef struct {
GtkPrinterCups *printer;
GIOChannel *ppd_io;
http_t *http;
} GetPPDData;
static void
get_ppd_data_free (GetPPDData *data)
{
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
httpClose (data->http);
g_io_channel_unref (data->ppd_io);
g_object_unref (data->printer);
g_free (data);
}
static void
cups_request_ppd_cb (GtkPrintBackendCups *print_backend,
GtkCupsResult *result,
GetPPDData *data)
{
ipp_t *response;
GtkPrinter *printer;
GDK_THREADS_ENTER ();
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
printer = GTK_PRINTER (data->printer);
GTK_PRINTER_CUPS (printer)->reading_ppd = FALSE;
print_backend->reading_ppds--;
if (gtk_cups_result_is_error (result))
{
gboolean success = FALSE;
/* if we get a 404 then it is just a raw printer without a ppd
and not an error */
if ((gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_HTTP) &&
(gtk_cups_result_get_error_status (result) == HTTP_NOT_FOUND))
{
gtk_printer_set_has_details (printer, TRUE);
success = TRUE;
}
g_signal_emit_by_name (printer, "details-acquired", success);
goto done;
}
response = gtk_cups_result_get_response (result);
/* let ppdOpenFd take over the ownership of the open file */
g_io_channel_seek_position (data->ppd_io, 0, G_SEEK_SET, NULL);
data->printer->ppd_file = ppdOpenFd (dup (g_io_channel_unix_get_fd (data->ppd_io)));
ppdMarkDefaults (data->printer->ppd_file);
gtk_printer_set_has_details (printer, TRUE);
g_signal_emit_by_name (printer, "details-acquired", TRUE);
done:
GDK_THREADS_LEAVE ();
}
static gboolean
cups_request_ppd (GtkPrinter *printer)
{
GError *error;
GtkPrintBackend *print_backend;
GtkPrinterCups *cups_printer;
GtkCupsRequest *request;
char *ppd_filename;
gchar *resource;
http_t *http;
GetPPDData *data;
int fd;
cups_printer = GTK_PRINTER_CUPS (printer);
error = NULL;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
if (cups_printer->remote)
{
GtkCupsConnectionState state;
state = gtk_cups_connection_test_get_state (cups_printer->remote_cups_connection_test);
if (state == GTK_CUPS_CONNECTION_IN_PROGRESS)
{
if (cups_printer->get_remote_ppd_attempts == 60)
{
cups_printer->get_remote_ppd_attempts = -1;
if (cups_printer->get_remote_ppd_poll > 0)
g_source_remove (cups_printer->get_remote_ppd_poll);
cups_printer->get_remote_ppd_poll = gdk_threads_add_timeout (200,
(GSourceFunc) cups_request_ppd,
printer);
}
else if (cups_printer->get_remote_ppd_attempts != -1)
cups_printer->get_remote_ppd_attempts++;
return TRUE;
}
gtk_cups_connection_test_free (cups_printer->remote_cups_connection_test);
cups_printer->remote_cups_connection_test = NULL;
cups_printer->get_remote_ppd_poll = 0;
cups_printer->get_remote_ppd_attempts = 0;
if (state == GTK_CUPS_CONNECTION_NOT_AVAILABLE)
{
g_signal_emit_by_name (printer, "details-acquired", FALSE);
return FALSE;
}
}
http = httpConnectEncrypt (cups_printer->hostname,
cups_printer->port,
cupsEncryption ());
data = g_new0 (GetPPDData, 1);
fd = g_file_open_tmp ("gtkprint_ppd_XXXXXX",
&ppd_filename,
&error);
#ifdef G_ENABLE_DEBUG
/* If we are debugging printing don't delete the tmp files */
if (!(gtk_debug_flags & GTK_DEBUG_PRINTING))
unlink (ppd_filename);
#else
unlink (ppd_filename);
#endif /* G_ENABLE_DEBUG */
if (error != NULL)
{
GTK_NOTE (PRINTING,
g_warning ("CUPS Backend: Failed to create temp file, %s\n",
error->message));
g_error_free (error);
httpClose (http);
g_free (ppd_filename);
g_free (data);
g_signal_emit_by_name (printer, "details-acquired", FALSE);
return FALSE;
}
data->http = http;
fchmod (fd, S_IRUSR | S_IWUSR);
data->ppd_io = g_io_channel_unix_new (fd);
g_io_channel_set_encoding (data->ppd_io, NULL, NULL);
g_io_channel_set_close_on_unref (data->ppd_io, TRUE);
data->printer = g_object_ref (printer);
resource = g_strdup_printf ("/printers/%s.ppd",
gtk_printer_cups_get_ppd_name (GTK_PRINTER_CUPS (printer)));
print_backend = gtk_printer_get_backend (printer);
request = gtk_cups_request_new_with_username (data->http,
GTK_CUPS_GET,
0,
data->ppd_io,
cups_printer->hostname,
resource,
GTK_PRINT_BACKEND_CUPS (print_backend)->username);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Requesting resource %s to be written to temp file %s\n", resource, ppd_filename));
cups_printer->reading_ppd = TRUE;
GTK_PRINT_BACKEND_CUPS (print_backend)->reading_ppds++;
cups_request_execute (GTK_PRINT_BACKEND_CUPS (print_backend),
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_ppd_cb,
data,
(GDestroyNotify)get_ppd_data_free);
g_free (resource);
g_free (ppd_filename);
return FALSE;
}
/* Ordering matters for default preference */
static const char *lpoptions_locations[] = {
"/etc/cups/lpoptions",
".lpoptions",
".cups/lpoptions"
};
static void
cups_parse_user_default_printer (const char *filename,
char **printer_name)
{
FILE *fp;
char line[1024], *lineptr, *defname = NULL;
if ((fp = g_fopen (filename, "r")) == NULL)
return;
while (fgets (line, sizeof (line), fp) != NULL)
{
if (strncasecmp (line, "default", 7) != 0 || !isspace (line[7]))
continue;
lineptr = line + 8;
while (isspace (*lineptr))
lineptr++;
if (!*lineptr)
continue;
defname = lineptr;
while (!isspace (*lineptr) && *lineptr && *lineptr != '/')
lineptr++;
*lineptr = '\0';
if (*printer_name != NULL)
g_free (*printer_name);
*printer_name = g_strdup (defname);
}
fclose (fp);
}
static void
cups_get_user_default_printer (char **printer_name)
{
int i;
for (i = 0; i < G_N_ELEMENTS (lpoptions_locations); i++)
{
if (g_path_is_absolute (lpoptions_locations[i]))
{
cups_parse_user_default_printer (lpoptions_locations[i],
printer_name);
}
else
{
char *filename;
filename = g_build_filename (g_get_home_dir (),
lpoptions_locations[i], NULL);
cups_parse_user_default_printer (filename, printer_name);
g_free (filename);
}
}
}
static int
cups_parse_user_options (const char *filename,
const char *printer_name,
int num_options,
cups_option_t **options)
{
FILE *fp;
gchar line[1024], *lineptr, *name;
if ((fp = g_fopen (filename, "r")) == NULL)
return num_options;
while (fgets (line, sizeof (line), fp) != NULL)
{
if (strncasecmp (line, "dest", 4) == 0 && isspace (line[4]))
lineptr = line + 4;
else if (strncasecmp (line, "default", 7) == 0 && isspace (line[7]))
lineptr = line + 7;
else
continue;
/* Skip leading whitespace */
while (isspace (*lineptr))
lineptr++;
if (!*lineptr)
continue;
/* NUL-terminate the name, stripping the instance name */
name = lineptr;
while (!isspace (*lineptr) && *lineptr)
{
if (*lineptr == '/')
*lineptr = '\0';
lineptr++;
}
if (!*lineptr)
continue;
*lineptr++ = '\0';
if (strncasecmp (name, printer_name, strlen (printer_name)) != 0)
continue;
/* We found our printer, parse the options */
num_options = cupsParseOptions (lineptr, num_options, options);
}
fclose (fp);
return num_options;
}
static int
cups_get_user_options (const char *printer_name,
int num_options,
cups_option_t **options)
{
int i;
for (i = 0; i < G_N_ELEMENTS (lpoptions_locations); i++)
{
if (g_path_is_absolute (lpoptions_locations[i]))
{
num_options = cups_parse_user_options (lpoptions_locations[i],
printer_name,
num_options,
options);
}
else
{
char *filename;
filename = g_build_filename (g_get_home_dir (),
lpoptions_locations[i], NULL);
num_options = cups_parse_user_options (filename, printer_name,
num_options, options);
g_free (filename);
}
}
return num_options;
}
/* This function requests default printer from a CUPS server in regular intervals.
* In the case of unreachable CUPS server the request is repeated later.
* The default printer is not requested in the case of previous success.
*/
static void
cups_get_default_printer (GtkPrintBackendCups *backend)
{
GtkPrintBackendCups *cups_backend;
cups_backend = backend;
if (cups_backend->cups_connection_test == NULL)
cups_backend->cups_connection_test = gtk_cups_connection_test_new (NULL);
if (cups_backend->default_printer_poll == 0)
{
if (cups_request_default_printer (cups_backend))
cups_backend->default_printer_poll = gdk_threads_add_timeout (200,
(GSourceFunc) cups_request_default_printer,
backend);
}
}
/* This function gets default printer from local settings.*/
static void
cups_get_local_default_printer (GtkPrintBackendCups *backend)
{
const char *str;
char *name = NULL;
if ((str = g_getenv ("LPDEST")) != NULL)
{
backend->default_printer = g_strdup (str);
backend->got_default_printer = TRUE;
return;
}
else if ((str = g_getenv ("PRINTER")) != NULL &&
strcmp (str, "lp") != 0)
{
backend->default_printer = g_strdup (str);
backend->got_default_printer = TRUE;
return;
}
/* Figure out user setting for default printer */
cups_get_user_default_printer (&name);
if (name != NULL)
{
backend->default_printer = name;
backend->got_default_printer = TRUE;
return;
}
}
static void
cups_request_default_printer_cb (GtkPrintBackendCups *print_backend,
GtkCupsResult *result,
gpointer user_data)
{
ipp_t *response;
ipp_attribute_t *attr;
GtkPrinter *printer;
GDK_THREADS_ENTER ();
if (gtk_cups_result_is_error (result))
{
if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH &&
gtk_cups_result_get_error_code (result) == 1)
{
/* Canceled by user, stop popping up more password dialogs */
if (print_backend->list_printers_poll > 0)
g_source_remove (print_backend->list_printers_poll);
print_backend->list_printers_poll = 0;
}
return;
}
response = gtk_cups_result_get_response (result);
if ((attr = ippFindAttribute (response, "printer-name", IPP_TAG_NAME)) != NULL)
print_backend->default_printer = g_strdup (attr->values[0].string.text);
print_backend->got_default_printer = TRUE;
if (print_backend->default_printer != NULL)
{
printer = gtk_print_backend_find_printer (GTK_PRINT_BACKEND (print_backend), print_backend->default_printer);
if (printer != NULL)
{
gtk_printer_set_is_default (printer, TRUE);
g_signal_emit_by_name (GTK_PRINT_BACKEND (print_backend), "printer-status-changed", printer);
}
}
/* Make sure to kick off get_printers if we are polling it,
* as we could have blocked this reading the default printer
*/
if (print_backend->list_printers_poll != 0)
cups_request_printer_list (print_backend);
GDK_THREADS_LEAVE ();
}
static gboolean
cups_request_default_printer (GtkPrintBackendCups *print_backend)
{
GtkCupsConnectionState state;
GtkCupsRequest *request;
state = gtk_cups_connection_test_get_state (print_backend->cups_connection_test);
update_backend_status (print_backend, state);
if (state == GTK_CUPS_CONNECTION_IN_PROGRESS || state == GTK_CUPS_CONNECTION_NOT_AVAILABLE)
return TRUE;
request = gtk_cups_request_new_with_username (NULL,
GTK_CUPS_POST,
CUPS_GET_DEFAULT,
NULL,
NULL,
NULL,
print_backend->username);
cups_request_execute (print_backend,
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_default_printer_cb,
g_object_ref (print_backend),
g_object_unref);
return FALSE;
}
static void
cups_printer_request_details (GtkPrinter *printer)
{
GtkPrinterCups *cups_printer;
cups_printer = GTK_PRINTER_CUPS (printer);
if (!cups_printer->reading_ppd &&
gtk_printer_cups_get_ppd (cups_printer) == NULL)
{
if (cups_printer->remote)
{
if (cups_printer->get_remote_ppd_poll == 0)
{
cups_printer->remote_cups_connection_test = gtk_cups_connection_test_new (cups_printer->hostname);
if (cups_request_ppd (printer))
cups_printer->get_remote_ppd_poll = gdk_threads_add_timeout (50,
(GSourceFunc) cups_request_ppd,
printer);
}
}
else
cups_request_ppd (printer);
}
}
static char *
ppd_text_to_utf8 (ppd_file_t *ppd_file,
const char *text)
{
const char *encoding = NULL;
char *res;
if (g_ascii_strcasecmp (ppd_file->lang_encoding, "UTF-8") == 0)
{
return g_strdup (text);
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "ISOLatin1") == 0)
{
encoding = "ISO-8859-1";
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "ISOLatin2") == 0)
{
encoding = "ISO-8859-2";
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "ISOLatin5") == 0)
{
encoding = "ISO-8859-5";
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "JIS83-RKSJ") == 0)
{
encoding = "SHIFT-JIS";
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "MacStandard") == 0)
{
encoding = "MACINTOSH";
}
else if (g_ascii_strcasecmp (ppd_file->lang_encoding, "WindowsANSI") == 0)
{
encoding = "WINDOWS-1252";
}
else
{
/* Fallback, try iso-8859-1... */
encoding = "ISO-8859-1";
}
res = g_convert (text, -1, "UTF-8", encoding, NULL, NULL, NULL);
if (res == NULL)
{
GTK_NOTE (PRINTING,
g_warning ("CUPS Backend: Unable to convert PPD text\n"));
res = g_strdup ("???");
}
return res;
}
/* TODO: Add more translations for common settings here */
static const struct {
const char *keyword;
const char *translation;
} cups_option_translations[] = {
{ "Duplex", N_("Two Sided") },
{ "MediaType", N_("Paper Type") },
{ "InputSlot", N_("Paper Source") },
{ "OutputBin", N_("Output Tray") },
{ "Resolution", N_("Resolution") },
{ "PreFilter", N_("GhostScript pre-filtering") },
};
static const struct {
const char *keyword;
const char *choice;
const char *translation;
} cups_choice_translations[] = {
{ "Duplex", "None", N_("One Sided") },
/* Translators: this is an option of "Two Sided" */
{ "Duplex", "DuplexNoTumble", N_("Long Edge (Standard)") },
/* Translators: this is an option of "Two Sided" */
{ "Duplex", "DuplexTumble", N_("Short Edge (Flip)") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "Auto", N_("Auto Select") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "AutoSelect", N_("Auto Select") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "Default", N_("Printer Default") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "None", N_("Printer Default") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "PrinterDefault", N_("Printer Default") },
/* Translators: this is an option of "Paper Source" */
{ "InputSlot", "Unspecified", N_("Auto Select") },
/* Translators: this is an option of "Resolution" */
{ "Resolution", "default", N_("Printer Default") },
/* Translators: this is an option of "GhostScript" */
{ "PreFilter", "EmbedFonts", N_("Embed GhostScript fonts only") },
/* Translators: this is an option of "GhostScript" */
{ "PreFilter", "Level1", N_("Convert to PS level 1") },
/* Translators: this is an option of "GhostScript" */
{ "PreFilter", "Level2", N_("Convert to PS level 2") },
/* Translators: this is an option of "GhostScript" */
{ "PreFilter", "No", N_("No pre-filtering") },
};
static const struct {
const char *name;
const char *translation;
} cups_group_translations[] = {
/* Translators: "Miscellaneous" is the label for a button, that opens
up an extra panel of settings in a print dialog. */
{ "Miscellaneous", N_("Miscellaneous") },
};
static const struct {
const char *ppd_keyword;
const char *name;
} option_names[] = {
{"Duplex", "gtk-duplex" },
{"MediaType", "gtk-paper-type"},
{"InputSlot", "gtk-paper-source"},
{"OutputBin", "gtk-output-tray"},
};
/* keep sorted when changing */
static const char *color_option_whitelist[] = {
"BRColorEnhancement",
"BRColorMatching",
"BRColorMatching",
"BRColorMode",
"BRGammaValue",
"BRImprovedGray",
"BlackSubstitution",
"ColorModel",
"HPCMYKInks",
"HPCSGraphics",
"HPCSImages",
"HPCSText",
"HPColorSmart",
"RPSBlackMode",
"RPSBlackOverPrint",
"Rcmyksimulation",
};
/* keep sorted when changing */
static const char *color_group_whitelist[] = {
"ColorPage",
"FPColorWise1",
"FPColorWise2",
"FPColorWise3",
"FPColorWise4",
"FPColorWise5",
"HPColorOptionsPanel",
};
/* keep sorted when changing */
static const char *image_quality_option_whitelist[] = {
"BRDocument",
"BRHalfTonePattern",
"BRNormalPrt",
"BRPrintQuality",
"BitsPerPixel",
"Darkness",
"Dithering",
"EconoMode",
"Economode",
"HPEconoMode",
"HPEdgeControl",
"HPGraphicsHalftone",
"HPHalftone",
"HPLJDensity",
"HPPhotoHalftone",
"OutputMode",
"REt",
"RPSBitsPerPixel",
"RPSDitherType",
"Resolution",
"ScreenLock",
"Smoothing",
"TonerSaveMode",
"UCRGCRForImage",
};
/* keep sorted when changing */
static const char *image_quality_group_whitelist[] = {
"FPImageQuality1",
"FPImageQuality2",
"FPImageQuality3",
"ImageQualityPage",
};
/* keep sorted when changing */
static const char * finishing_option_whitelist[] = {
"BindColor",
"BindEdge",
"BindType",
"BindWhen",
"Booklet",
"FoldType",
"FoldWhen",
"HPStaplerOptions",
"Jog",
"Slipsheet",
"Sorter",
"StapleLocation",
"StapleOrientation",
"StapleWhen",
"StapleX",
"StapleY",
};
/* keep sorted when changing */
static const char *finishing_group_whitelist[] = {
"FPFinishing1",
"FPFinishing2",
"FPFinishing3",
"FPFinishing4",
"FinishingPage",
"HPFinishingPanel",
};
/* keep sorted when changing */
static const char *cups_option_blacklist[] = {
"Collate",
"Copies",
"OutputOrder",
"PageRegion",
"PageSize",
};
static char *
get_option_text (ppd_file_t *ppd_file,
ppd_option_t *option)
{
int i;
char *utf8;
for (i = 0; i < G_N_ELEMENTS (cups_option_translations); i++)
{
if (strcmp (cups_option_translations[i].keyword, option->keyword) == 0)
return g_strdup (_(cups_option_translations[i].translation));
}
utf8 = ppd_text_to_utf8 (ppd_file, option->text);
/* Some ppd files have spaces in the text before the colon */
g_strchomp (utf8);
return utf8;
}
static char *
get_choice_text (ppd_file_t *ppd_file,
ppd_choice_t *choice)
{
int i;
ppd_option_t *option = choice->option;
const char *keyword = option->keyword;
for (i = 0; i < G_N_ELEMENTS (cups_choice_translations); i++)
{
if (strcmp (cups_choice_translations[i].keyword, keyword) == 0 &&
strcmp (cups_choice_translations[i].choice, choice->choice) == 0)
return g_strdup (_(cups_choice_translations[i].translation));
}
return ppd_text_to_utf8 (ppd_file, choice->text);
}
static gboolean
group_has_option (ppd_group_t *group,
ppd_option_t *option)
{
int i;
if (group == NULL)
return FALSE;
if (group->num_options > 0 &&
option >= group->options && option < group->options + group->num_options)
return TRUE;
for (i = 0; i < group->num_subgroups; i++)
{
if (group_has_option (&group->subgroups[i],option))
return TRUE;
}
return FALSE;
}
static void
set_option_off (GtkPrinterOption *option)
{
/* Any of these will do, _set only applies the value
* if its allowed of the option */
gtk_printer_option_set (option, "False");
gtk_printer_option_set (option, "Off");
gtk_printer_option_set (option, "None");
}
static gboolean
value_is_off (const char *value)
{
return (strcasecmp (value, "None") == 0 ||
strcasecmp (value, "Off") == 0 ||
strcasecmp (value, "False") == 0);
}
static char *
ppd_group_name (ppd_group_t *group)
{
#if CUPS_VERSION_MAJOR > 1 || (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR > 1) || (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR == 1 && CUPS_VERSION_PATCH >= 18)
return group->name;
#else
return group->text;
#endif
}
static int
available_choices (ppd_file_t *ppd,
ppd_option_t *option,
ppd_choice_t ***available,
gboolean keep_if_only_one_option)
{
ppd_option_t *other_option;
int i, j;
gchar *conflicts;
ppd_const_t *constraint;
const char *choice, *other_choice;
ppd_option_t *option1, *option2;
ppd_group_t *installed_options;
int num_conflicts;
gboolean all_default;
int add_auto;
if (available)
*available = NULL;
conflicts = g_new0 (char, option->num_choices);
installed_options = NULL;
for (i = 0; i < ppd->num_groups; i++)
{
char *name;
name = ppd_group_name (&ppd->groups[i]);
if (strcmp (name, "InstallableOptions") == 0)
{
installed_options = &ppd->groups[i];
break;
}
}
for (i = ppd->num_consts, constraint = ppd->consts; i > 0; i--, constraint++)
{
option1 = ppdFindOption (ppd, constraint->option1);
if (option1 == NULL)
continue;
option2 = ppdFindOption (ppd, constraint->option2);
if (option2 == NULL)
continue;
if (option == option1)
{
choice = constraint->choice1;
other_option = option2;
other_choice = constraint->choice2;
}
else if (option == option2)
{
choice = constraint->choice2;
other_option = option1;
other_choice = constraint->choice1;
}
else
continue;
/* We only care of conflicts with installed_options and
PageSize */
if (!group_has_option (installed_options, other_option) &&
(strcmp (other_option->keyword, "PageSize") != 0))
continue;
if (*other_choice == 0)
{
/* Conflict only if the installed option is not off */
if (value_is_off (other_option->defchoice))
continue;
}
/* Conflict if the installed option has the specified default */
else if (strcasecmp (other_choice, other_option->defchoice) != 0)
continue;
if (*choice == 0)
{
/* Conflict with all non-off choices */
for (j = 0; j < option->num_choices; j++)
{
if (!value_is_off (option->choices[j].choice))
conflicts[j] = 1;
}
}
else
{
for (j = 0; j < option->num_choices; j++)
{
if (strcasecmp (option->choices[j].choice, choice) == 0)
conflicts[j] = 1;
}
}
}
num_conflicts = 0;
all_default = TRUE;
for (j = 0; j < option->num_choices; j++)
{
if (conflicts[j])
num_conflicts++;
else if (strcmp (option->choices[j].choice, option->defchoice) != 0)
all_default = FALSE;
}
if ((all_default && !keep_if_only_one_option) ||
(num_conflicts == option->num_choices))
{
g_free (conflicts);
return 0;
}
/* Some ppds don't have a "use printer default" option for
* InputSlot. This means you always have to select a particular slot,
* and you can't auto-pick source based on the paper size. To support
* this we always add an auto option if there isn't one already. If
* the user chooses the generated option we don't send any InputSlot
* value when printing. The way we detect existing auto-cases is based
* on feedback from Michael Sweet of cups fame.
*/
add_auto = 0;
if (strcmp (option->keyword, "InputSlot") == 0)
{
gboolean found_auto = FALSE;
for (j = 0; j < option->num_choices; j++)
{
if (!conflicts[j])
{
if (strcmp (option->choices[j].choice, "Auto") == 0 ||
strcmp (option->choices[j].choice, "AutoSelect") == 0 ||
strcmp (option->choices[j].choice, "Default") == 0 ||
strcmp (option->choices[j].choice, "None") == 0 ||
strcmp (option->choices[j].choice, "PrinterDefault") == 0 ||
strcmp (option->choices[j].choice, "Unspecified") == 0 ||
option->choices[j].code == NULL ||
option->choices[j].code[0] == 0)
{
found_auto = TRUE;
break;
}
}
}
if (!found_auto)
add_auto = 1;
}
if (available)
{
*available = g_new (ppd_choice_t *, option->num_choices - num_conflicts + add_auto);
i = 0;
for (j = 0; j < option->num_choices; j++)
{
if (!conflicts[j])
(*available)[i++] = &option->choices[j];
}
if (add_auto)
(*available)[i++] = NULL;
}
g_free (conflicts);
return option->num_choices - num_conflicts + add_auto;
}
static GtkPrinterOption *
create_pickone_option (ppd_file_t *ppd_file,
ppd_option_t *ppd_option,
const gchar *gtk_name)
{
GtkPrinterOption *option;
ppd_choice_t **available;
char *label;
int n_choices;
int i;
#ifdef HAVE_CUPS_API_1_2
ppd_coption_t *coption;
#endif
g_assert (ppd_option->ui == PPD_UI_PICKONE);
option = NULL;
n_choices = available_choices (ppd_file, ppd_option, &available, g_str_has_prefix (gtk_name, "gtk-"));
if (n_choices > 0)
{
/* right now only support one parameter per custom option
* if more than one print warning and only offer the default choices
*/
label = get_option_text (ppd_file, ppd_option);
#ifdef HAVE_CUPS_API_1_2
coption = ppdFindCustomOption (ppd_file, ppd_option->keyword);
if (coption)
{
ppd_cparam_t *cparam;
cparam = ppdFirstCustomParam (coption);
if (ppdNextCustomParam (coption) == NULL)
{
switch (cparam->type)
{
case PPD_CUSTOM_INT:
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE_INT);
break;
case PPD_CUSTOM_PASSCODE:
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE_PASSCODE);
break;
case PPD_CUSTOM_PASSWORD:
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE_PASSWORD);
break;
case PPD_CUSTOM_REAL:
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE_REAL);
break;
case PPD_CUSTOM_STRING:
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE_STRING);
break;
#ifdef PRINT_IGNORED_OPTIONS
case PPD_CUSTOM_POINTS:
g_warning ("CUPS Backend: PPD Custom Points Option not supported");
break;
case PPD_CUSTOM_CURVE:
g_warning ("CUPS Backend: PPD Custom Curve Option not supported");
break;
case PPD_CUSTOM_INVCURVE:
g_warning ("CUPS Backend: PPD Custom Inverse Curve Option not supported");
break;
#endif
default:
break;
}
}
#ifdef PRINT_IGNORED_OPTIONS
else
g_warning ("CUPS Backend: Multi-parameter PPD Custom Option not supported");
#endif
}
#endif /* HAVE_CUPS_API_1_2 */
if (!option)
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_PICKONE);
g_free (label);
gtk_printer_option_allocate_choices (option, n_choices);
for (i = 0; i < n_choices; i++)
{
if (available[i] == NULL)
{
/* This was auto-added */
option->choices[i] = g_strdup ("gtk-ignore-value");
option->choices_display[i] = g_strdup (_("Printer Default"));
}
else
{
option->choices[i] = g_strdup (available[i]->choice);
option->choices_display[i] = get_choice_text (ppd_file, available[i]);
}
}
gtk_printer_option_set (option, ppd_option->defchoice);
}
#ifdef PRINT_IGNORED_OPTIONS
else
g_warning ("CUPS Backend: Ignoring pickone %s\n", ppd_option->text);
#endif
g_free (available);
return option;
}
static GtkPrinterOption *
create_boolean_option (ppd_file_t *ppd_file,
ppd_option_t *ppd_option,
const gchar *gtk_name)
{
GtkPrinterOption *option;
ppd_choice_t **available;
char *label;
int n_choices;
g_assert (ppd_option->ui == PPD_UI_BOOLEAN);
option = NULL;
n_choices = available_choices (ppd_file, ppd_option, &available, g_str_has_prefix (gtk_name, "gtk-"));
if (n_choices == 2)
{
label = get_option_text (ppd_file, ppd_option);
option = gtk_printer_option_new (gtk_name, label,
GTK_PRINTER_OPTION_TYPE_BOOLEAN);
g_free (label);
gtk_printer_option_allocate_choices (option, 2);
option->choices[0] = g_strdup ("True");
option->choices_display[0] = g_strdup ("True");
option->choices[1] = g_strdup ("False");
option->choices_display[1] = g_strdup ("False");
gtk_printer_option_set (option, ppd_option->defchoice);
}
#ifdef PRINT_IGNORED_OPTIONS
else
g_warning ("CUPS Backend: Ignoring boolean %s\n", ppd_option->text);
#endif
g_free (available);
return option;
}
static gchar *
get_option_name (const gchar *keyword)
{
int i;
for (i = 0; i < G_N_ELEMENTS (option_names); i++)
if (strcmp (option_names[i].ppd_keyword, keyword) == 0)
return g_strdup (option_names[i].name);
return g_strdup_printf ("cups-%s", keyword);
}
static int
strptr_cmp (const void *a,
const void *b)
{
char **aa = (char **)a;
char **bb = (char **)b;
return strcmp (*aa, *bb);
}
static gboolean
string_in_table (gchar *str,
const gchar *table[],
gint table_len)
{
return bsearch (&str, table, table_len, sizeof (char *), (void *)strptr_cmp) != NULL;
}
#define STRING_IN_TABLE(_str, _table) (string_in_table (_str, _table, G_N_ELEMENTS (_table)))
static void
handle_option (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_option_t *ppd_option,
ppd_group_t *toplevel_group,
GtkPrintSettings *settings)
{
GtkPrinterOption *option;
char *name;
int i;
if (STRING_IN_TABLE (ppd_option->keyword, cups_option_blacklist))
return;
name = get_option_name (ppd_option->keyword);
option = NULL;
if (ppd_option->ui == PPD_UI_PICKONE)
{
option = create_pickone_option (ppd_file, ppd_option, name);
}
else if (ppd_option->ui == PPD_UI_BOOLEAN)
{
option = create_boolean_option (ppd_file, ppd_option, name);
}
#ifdef PRINT_IGNORED_OPTIONS
else
g_warning ("CUPS Backend: Ignoring pickmany setting %s\n", ppd_option->text);
#endif
if (option)
{
char *name;
name = ppd_group_name (toplevel_group);
if (STRING_IN_TABLE (name,
color_group_whitelist) ||
STRING_IN_TABLE (ppd_option->keyword,
color_option_whitelist))
{
option->group = g_strdup ("ColorPage");
}
else if (STRING_IN_TABLE (name,
image_quality_group_whitelist) ||
STRING_IN_TABLE (ppd_option->keyword,
image_quality_option_whitelist))
{
option->group = g_strdup ("ImageQualityPage");
}
else if (STRING_IN_TABLE (name,
finishing_group_whitelist) ||
STRING_IN_TABLE (ppd_option->keyword,
finishing_option_whitelist))
{
option->group = g_strdup ("FinishingPage");
}
else
{
for (i = 0; i < G_N_ELEMENTS (cups_group_translations); i++)
{
if (strcmp (cups_group_translations[i].name, toplevel_group->name) == 0)
{
option->group = g_strdup (_(cups_group_translations[i].translation));
break;
}
}
if (i == G_N_ELEMENTS (cups_group_translations))
option->group = g_strdup (toplevel_group->text);
}
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
}
g_free (name);
}
static void
handle_group (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_group_t *group,
ppd_group_t *toplevel_group,
GtkPrintSettings *settings)
{
gint i;
gchar *name;
/* Ignore installable options */
name = ppd_group_name (toplevel_group);
if (strcmp (name, "InstallableOptions") == 0)
return;
for (i = 0; i < group->num_options; i++)
handle_option (set, ppd_file, &group->options[i], toplevel_group, settings);
for (i = 0; i < group->num_subgroups; i++)
handle_group (set, ppd_file, &group->subgroups[i], toplevel_group, settings);
}
static GtkPrinterOptionSet *
cups_printer_get_options (GtkPrinter *printer,
GtkPrintSettings *settings,
GtkPageSetup *page_setup,
GtkPrintCapabilities capabilities)
{
GtkPrinterOptionSet *set;
GtkPrinterOption *option;
ppd_file_t *ppd_file;
int i;
char *print_at[] = { "now", "at", "on-hold" };
char *n_up[] = {"1", "2", "4", "6", "9", "16" };
char *prio[] = {"100", "80", "50", "30" };
/* Translators: These strings name the possible values of the
* job priority option in the print dialog
*/
char *prio_display[] = {N_("Urgent"), N_("High"), N_("Medium"), N_("Low") };
char *n_up_layout[] = { "lrtb", "lrbt", "rltb", "rlbt", "tblr", "tbrl", "btlr", "btrl" };
/* Translators: These strings name the possible arrangements of
* multiple pages on a sheet when printing
*/
char *n_up_layout_display[] = { N_("Left to right, top to bottom"), N_("Left to right, bottom to top"),
N_("Right to left, top to bottom"), N_("Right to left, bottom to top"),
N_("Top to bottom, left to right"), N_("Top to bottom, right to left"),
N_("Bottom to top, left to right"), N_("Bottom to top, right to left") };
char *name;
int num_opts;
cups_option_t *opts = NULL;
GtkPrintBackendCups *backend;
GtkTextDirection text_direction;
GtkPrinterCups *cups_printer = NULL;
set = gtk_printer_option_set_new ();
/* Cups specific, non-ppd related settings */
/* Translators, this string is used to label the pages-per-sheet option
* in the print dialog
*/
option = gtk_printer_option_new ("gtk-n-up", _("Pages per Sheet"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
n_up, n_up);
gtk_printer_option_set (option, "1");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
if (cups_printer_get_capabilities (printer) & GTK_PRINT_CAPABILITY_NUMBER_UP_LAYOUT)
{
for (i = 0; i < G_N_ELEMENTS (n_up_layout_display); i++)
n_up_layout_display[i] = _(n_up_layout_display[i]);
/* Translators, this string is used to label the option in the print
* dialog that controls in what order multiple pages are arranged
*/
option = gtk_printer_option_new ("gtk-n-up-layout", _("Page Ordering"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up_layout),
n_up_layout, n_up_layout_display);
text_direction = gtk_widget_get_default_direction ();
if (text_direction == GTK_TEXT_DIR_LTR)
gtk_printer_option_set (option, "lrtb");
else
gtk_printer_option_set (option, "rltb");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
}
for (i = 0; i < G_N_ELEMENTS(prio_display); i++)
prio_display[i] = _(prio_display[i]);
/* Translators, this string is used to label the job priority option
* in the print dialog
*/
option = gtk_printer_option_new ("gtk-job-prio", _("Job Priority"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (prio),
prio, prio_display);
gtk_printer_option_set (option, "50");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
/* Translators, this string is used to label the billing info entry
* in the print dialog
*/
option = gtk_printer_option_new ("gtk-billing-info", _("Billing Info"), GTK_PRINTER_OPTION_TYPE_STRING);
gtk_printer_option_set (option, "");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
backend = GTK_PRINT_BACKEND_CUPS (gtk_printer_get_backend (printer));
cups_printer = GTK_PRINTER_CUPS (printer);
if (backend != NULL && printer != NULL)
{
char *cover_default[] = {"none", "classified", "confidential", "secret", "standard", "topsecret", "unclassified" };
/* Translators, these strings are names for various 'standard' cover
* pages that the printing system may support.
*/
char *cover_display_default[] = {N_("None"), N_("Classified"), N_("Confidential"), N_("Secret"), N_("Standard"), N_("Top Secret"), N_("Unclassified"),};
char **cover = NULL;
char **cover_display = NULL;
char **cover_display_translated = NULL;
gint num_of_covers = 0;
gpointer value;
gint j;
num_of_covers = backend->number_of_covers;
cover = g_new (char *, num_of_covers + 1);
cover[num_of_covers] = NULL;
cover_display = g_new (char *, num_of_covers + 1);
cover_display[num_of_covers] = NULL;
cover_display_translated = g_new (char *, num_of_covers + 1);
cover_display_translated[num_of_covers] = NULL;
for (i = 0; i < num_of_covers; i++)
{
cover[i] = g_strdup (backend->covers[i]);
value = NULL;
for (j = 0; j < G_N_ELEMENTS (cover_default); j++)
if (strcmp (cover_default[j], cover[i]) == 0)
{
value = cover_display_default[j];
break;
}
cover_display[i] = (value != NULL) ? g_strdup (value) : g_strdup (backend->covers[i]);
}
for (i = 0; i < num_of_covers; i++)
cover_display_translated[i] = _(cover_display[i]);
/* Translators, this is the label used for the option in the print
* dialog that controls the front cover page.
*/
option = gtk_printer_option_new ("gtk-cover-before", _("Before"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, num_of_covers,
cover, cover_display_translated);
if (cups_printer->default_cover_before != NULL)
gtk_printer_option_set (option, cups_printer->default_cover_before);
else
gtk_printer_option_set (option, "none");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
/* Translators, this is the label used for the option in the print
* dialog that controls the back cover page.
*/
option = gtk_printer_option_new ("gtk-cover-after", _("After"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, num_of_covers,
cover, cover_display_translated);
if (cups_printer->default_cover_after != NULL)
gtk_printer_option_set (option, cups_printer->default_cover_after);
else
gtk_printer_option_set (option, "none");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
g_strfreev (cover);
g_strfreev (cover_display);
g_free (cover_display_translated);
}
/* Translators: this is the name of the option that controls when
* a print job is printed. Possible values are 'now', a specified time,
* or 'on hold'
*/
option = gtk_printer_option_new ("gtk-print-time", _("Print at"), GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (print_at),
print_at, print_at);
gtk_printer_option_set (option, "now");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
/* Translators: this is the name of the option that allows the user
* to specify a time when a print job will be printed.
*/
option = gtk_printer_option_new ("gtk-print-time-text", _("Print at time"), GTK_PRINTER_OPTION_TYPE_STRING);
gtk_printer_option_set (option, "");
set_option_from_settings (option, settings);
gtk_printer_option_set_add (set, option);
g_object_unref (option);
/* Printer (ppd) specific settings */
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file)
{
GtkPaperSize *paper_size;
ppd_option_t *option;
const gchar *ppd_name;
ppdMarkDefaults (ppd_file);
paper_size = gtk_page_setup_get_paper_size (page_setup);
option = ppdFindOption (ppd_file, "PageSize");
ppd_name = gtk_paper_size_get_ppd_name (paper_size);
if (ppd_name)
strncpy (option->defchoice, ppd_name, PPD_MAX_NAME);
else
{
gchar *custom_name;
char width[G_ASCII_DTOSTR_BUF_SIZE];
char height[G_ASCII_DTOSTR_BUF_SIZE];
g_ascii_formatd (width, sizeof (width), "%.2f", gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS));
g_ascii_formatd (height, sizeof (height), "%.2f", gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS));
/* Translators: this format is used to display a custom paper
* size. The two placeholders are replaced with the width and height
* in points. E.g: "Custom 230.4x142.9"
*/
custom_name = g_strdup_printf (_("Custom %sx%s"), width, height);
strncpy (option->defchoice, custom_name, PPD_MAX_NAME);
g_free (custom_name);
}
for (i = 0; i < ppd_file->num_groups; i++)
handle_group (set, ppd_file, &ppd_file->groups[i], &ppd_file->groups[i], settings);
}
/* Now honor the user set defaults for this printer */
num_opts = cups_get_user_options (gtk_printer_get_name (printer), 0, &opts);
for (i = 0; i < num_opts; i++)
{
if (STRING_IN_TABLE (opts[i].name, cups_option_blacklist))
continue;
name = get_option_name (opts[i].name);
option = gtk_printer_option_set_lookup (set, name);
if (option)
gtk_printer_option_set (option, opts[i].value);
g_free (name);
}
cupsFreeOptions (num_opts, opts);
return set;
}
static void
mark_option_from_set (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_option_t *ppd_option)
{
GtkPrinterOption *option;
char *name = get_option_name (ppd_option->keyword);
option = gtk_printer_option_set_lookup (set, name);
if (option)
ppdMarkOption (ppd_file, ppd_option->keyword, option->value);
g_free (name);
}
static void
mark_group_from_set (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_group_t *group)
{
int i;
for (i = 0; i < group->num_options; i++)
mark_option_from_set (set, ppd_file, &group->options[i]);
for (i = 0; i < group->num_subgroups; i++)
mark_group_from_set (set, ppd_file, &group->subgroups[i]);
}
static void
set_conflicts_from_option (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_option_t *ppd_option)
{
GtkPrinterOption *option;
char *name;
if (ppd_option->conflicted)
{
name = get_option_name (ppd_option->keyword);
option = gtk_printer_option_set_lookup (set, name);
if (option)
gtk_printer_option_set_has_conflict (option, TRUE);
#ifdef PRINT_IGNORED_OPTIONS
else
g_warning ("CUPS Backend: Ignoring conflict for option %s", ppd_option->keyword);
#endif
g_free (name);
}
}
static void
set_conflicts_from_group (GtkPrinterOptionSet *set,
ppd_file_t *ppd_file,
ppd_group_t *group)
{
int i;
for (i = 0; i < group->num_options; i++)
set_conflicts_from_option (set, ppd_file, &group->options[i]);
for (i = 0; i < group->num_subgroups; i++)
set_conflicts_from_group (set, ppd_file, &group->subgroups[i]);
}
static gboolean
cups_printer_mark_conflicts (GtkPrinter *printer,
GtkPrinterOptionSet *options)
{
ppd_file_t *ppd_file;
int num_conflicts;
int i;
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file == NULL)
return FALSE;
ppdMarkDefaults (ppd_file);
for (i = 0; i < ppd_file->num_groups; i++)
mark_group_from_set (options, ppd_file, &ppd_file->groups[i]);
num_conflicts = ppdConflicts (ppd_file);
if (num_conflicts > 0)
{
for (i = 0; i < ppd_file->num_groups; i++)
set_conflicts_from_group (options, ppd_file, &ppd_file->groups[i]);
}
return num_conflicts > 0;
}
struct OptionData {
GtkPrinter *printer;
GtkPrinterOptionSet *options;
GtkPrintSettings *settings;
ppd_file_t *ppd_file;
};
typedef struct {
const char *cups;
const char *standard;
} NameMapping;
static void
map_settings_to_option (GtkPrinterOption *option,
const NameMapping table[],
gint n_elements,
GtkPrintSettings *settings,
const gchar *standard_name,
const gchar *cups_name)
{
int i;
char *name;
const char *cups_value;
const char *standard_value;
/* If the cups-specific setting is set, always use that */
name = g_strdup_printf ("cups-%s", cups_name);
cups_value = gtk_print_settings_get (settings, name);
g_free (name);
if (cups_value != NULL)
{
gtk_printer_option_set (option, cups_value);
return;
}
/* Otherwise we try to convert from the general setting */
standard_value = gtk_print_settings_get (settings, standard_name);
if (standard_value == NULL)
return;
for (i = 0; i < n_elements; i++)
{
if (table[i].cups == NULL && table[i].standard == NULL)
{
gtk_printer_option_set (option, standard_value);
break;
}
else if (table[i].cups == NULL &&
strcmp (table[i].standard, standard_value) == 0)
{
set_option_off (option);
break;
}
else if (strcmp (table[i].standard, standard_value) == 0)
{
gtk_printer_option_set (option, table[i].cups);
break;
}
}
}
static void
map_option_to_settings (const gchar *value,
const NameMapping table[],
gint n_elements,
GtkPrintSettings *settings,
const gchar *standard_name,
const gchar *cups_name)
{
int i;
char *name;
for (i = 0; i < n_elements; i++)
{
if (table[i].cups == NULL && table[i].standard == NULL)
{
gtk_print_settings_set (settings,
standard_name,
value);
break;
}
else if (table[i].cups == NULL && table[i].standard != NULL)
{
if (value_is_off (value))
{
gtk_print_settings_set (settings,
standard_name,
table[i].standard);
break;
}
}
else if (strcmp (table[i].cups, value) == 0)
{
gtk_print_settings_set (settings,
standard_name,
table[i].standard);
break;
}
}
/* Always set the corresponding cups-specific setting */
name = g_strdup_printf ("cups-%s", cups_name);
gtk_print_settings_set (settings, name, value);
g_free (name);
}
static const NameMapping paper_source_map[] = {
{ "Lower", "lower"},
{ "Middle", "middle"},
{ "Upper", "upper"},
{ "Rear", "rear"},
{ "Envelope", "envelope"},
{ "Cassette", "cassette"},
{ "LargeCapacity", "large-capacity"},
{ "AnySmallFormat", "small-format"},
{ "AnyLargeFormat", "large-format"},
{ NULL, NULL}
};
static const NameMapping output_tray_map[] = {
{ "Upper", "upper"},
{ "Lower", "lower"},
{ "Rear", "rear"},
{ NULL, NULL}
};
static const NameMapping duplex_map[] = {
{ "DuplexTumble", "vertical" },
{ "DuplexNoTumble", "horizontal" },
{ NULL, "simplex" }
};
static const NameMapping output_mode_map[] = {
{ "Standard", "normal" },
{ "Normal", "normal" },
{ "Draft", "draft" },
{ "Fast", "draft" },
};
static const NameMapping media_type_map[] = {
{ "Transparency", "transparency"},
{ "Standard", "stationery"},
{ NULL, NULL}
};
static const NameMapping all_map[] = {
{ NULL, NULL}
};
static void
set_option_from_settings (GtkPrinterOption *option,
GtkPrintSettings *settings)
{
const char *cups_value;
char *value;
if (settings == NULL)
return;
if (strcmp (option->name, "gtk-paper-source") == 0)
map_settings_to_option (option, paper_source_map, G_N_ELEMENTS (paper_source_map),
settings, GTK_PRINT_SETTINGS_DEFAULT_SOURCE, "InputSlot");
else if (strcmp (option->name, "gtk-output-tray") == 0)
map_settings_to_option (option, output_tray_map, G_N_ELEMENTS (output_tray_map),
settings, GTK_PRINT_SETTINGS_OUTPUT_BIN, "OutputBin");
else if (strcmp (option->name, "gtk-duplex") == 0)
map_settings_to_option (option, duplex_map, G_N_ELEMENTS (duplex_map),
settings, GTK_PRINT_SETTINGS_DUPLEX, "Duplex");
else if (strcmp (option->name, "cups-OutputMode") == 0)
map_settings_to_option (option, output_mode_map, G_N_ELEMENTS (output_mode_map),
settings, GTK_PRINT_SETTINGS_QUALITY, "OutputMode");
else if (strcmp (option->name, "cups-Resolution") == 0)
{
cups_value = gtk_print_settings_get (settings, option->name);
if (cups_value)
gtk_printer_option_set (option, cups_value);
else
{
int res = gtk_print_settings_get_resolution (settings);
int res_x = gtk_print_settings_get_resolution_x (settings);
int res_y = gtk_print_settings_get_resolution_y (settings);
if (res_x != res_y)
{
value = g_strdup_printf ("%dx%ddpi", res_x, res_y);
gtk_printer_option_set (option, value);
g_free (value);
}
else if (res != 0)
{
value = g_strdup_printf ("%ddpi", res);
gtk_printer_option_set (option, value);
g_free (value);
}
}
}
else if (strcmp (option->name, "gtk-paper-type") == 0)
map_settings_to_option (option, media_type_map, G_N_ELEMENTS (media_type_map),
settings, GTK_PRINT_SETTINGS_MEDIA_TYPE, "MediaType");
else if (strcmp (option->name, "gtk-n-up") == 0)
{
map_settings_to_option (option, all_map, G_N_ELEMENTS (all_map),
settings, GTK_PRINT_SETTINGS_NUMBER_UP, "number-up");
}
else if (strcmp (option->name, "gtk-n-up-layout") == 0)
{
map_settings_to_option (option, all_map, G_N_ELEMENTS (all_map),
settings, GTK_PRINT_SETTINGS_NUMBER_UP_LAYOUT, "number-up-layout");
}
else if (strcmp (option->name, "gtk-billing-info") == 0)
{
cups_value = gtk_print_settings_get (settings, "cups-job-billing");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (strcmp (option->name, "gtk-job-prio") == 0)
{
cups_value = gtk_print_settings_get (settings, "cups-job-priority");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (strcmp (option->name, "gtk-cover-before") == 0)
{
cups_value = gtk_print_settings_get (settings, "cover-before");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (strcmp (option->name, "gtk-cover-after") == 0)
{
cups_value = gtk_print_settings_get (settings, "cover-after");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (strcmp (option->name, "gtk-print-time") == 0)
{
cups_value = gtk_print_settings_get (settings, "print-at");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (strcmp (option->name, "gtk-print-time-text") == 0)
{
cups_value = gtk_print_settings_get (settings, "print-at-time");
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
else if (g_str_has_prefix (option->name, "cups-"))
{
cups_value = gtk_print_settings_get (settings, option->name);
if (cups_value)
gtk_printer_option_set (option, cups_value);
}
}
static void
foreach_option_get_settings (GtkPrinterOption *option,
gpointer user_data)
{
struct OptionData *data = user_data;
GtkPrintSettings *settings = data->settings;
const char *value;
value = option->value;
if (strcmp (option->name, "gtk-paper-source") == 0)
map_option_to_settings (value, paper_source_map, G_N_ELEMENTS (paper_source_map),
settings, GTK_PRINT_SETTINGS_DEFAULT_SOURCE, "InputSlot");
else if (strcmp (option->name, "gtk-output-tray") == 0)
map_option_to_settings (value, output_tray_map, G_N_ELEMENTS (output_tray_map),
settings, GTK_PRINT_SETTINGS_OUTPUT_BIN, "OutputBin");
else if (strcmp (option->name, "gtk-duplex") == 0)
map_option_to_settings (value, duplex_map, G_N_ELEMENTS (duplex_map),
settings, GTK_PRINT_SETTINGS_DUPLEX, "Duplex");
else if (strcmp (option->name, "cups-OutputMode") == 0)
map_option_to_settings (value, output_mode_map, G_N_ELEMENTS (output_mode_map),
settings, GTK_PRINT_SETTINGS_QUALITY, "OutputMode");
else if (strcmp (option->name, "cups-Resolution") == 0)
{
int res, res_x, res_y;
if (sscanf (value, "%dx%ddpi", &res_x, &res_y) == 2)
{
if (res_x > 0 && res_y > 0)
gtk_print_settings_set_resolution_xy (settings, res_x, res_y);
}
else if (sscanf (value, "%ddpi", &res) == 1)
{
if (res > 0)
gtk_print_settings_set_resolution (settings, res);
}
gtk_print_settings_set (settings, option->name, value);
}
else if (strcmp (option->name, "gtk-paper-type") == 0)
map_option_to_settings (value, media_type_map, G_N_ELEMENTS (media_type_map),
settings, GTK_PRINT_SETTINGS_MEDIA_TYPE, "MediaType");
else if (strcmp (option->name, "gtk-n-up") == 0)
map_option_to_settings (value, all_map, G_N_ELEMENTS (all_map),
settings, GTK_PRINT_SETTINGS_NUMBER_UP, "number-up");
else if (strcmp (option->name, "gtk-n-up-layout") == 0)
map_option_to_settings (value, all_map, G_N_ELEMENTS (all_map),
settings, GTK_PRINT_SETTINGS_NUMBER_UP_LAYOUT, "number-up-layout");
else if (strcmp (option->name, "gtk-billing-info") == 0 && strlen (value) > 0)
gtk_print_settings_set (settings, "cups-job-billing", value);
else if (strcmp (option->name, "gtk-job-prio") == 0)
gtk_print_settings_set (settings, "cups-job-priority", value);
else if (strcmp (option->name, "gtk-cover-before") == 0)
gtk_print_settings_set (settings, "cover-before", value);
else if (strcmp (option->name, "gtk-cover-after") == 0)
gtk_print_settings_set (settings, "cover-after", value);
else if (strcmp (option->name, "gtk-print-time") == 0)
gtk_print_settings_set (settings, "print-at", value);
else if (strcmp (option->name, "gtk-print-time-text") == 0)
gtk_print_settings_set (settings, "print-at-time", value);
else if (g_str_has_prefix (option->name, "cups-"))
gtk_print_settings_set (settings, option->name, value);
}
static gboolean
supports_am_pm (void)
{
struct tm tmp_tm = { 0 };
char time[8];
int length;
length = strftime (time, sizeof (time), "%p", &tmp_tm);
return length != 0;
}
/* Converts local time to UTC time. Local time has to be in one of these
* formats: HH:MM:SS, HH:MM, HH:MM:SS {am, pm}, HH:MM {am, pm}, HH {am, pm},
* {am, pm} HH:MM:SS, {am, pm} HH:MM, {am, pm} HH.
* Returns a newly allocated string holding UTC time in HH:MM:SS format
* or NULL.
*/
gchar *
localtime_to_utctime (const char *local_time)
{
const char *formats_0[] = {" %I : %M : %S %p ", " %p %I : %M : %S ",
" %H : %M : %S ",
" %I : %M %p ", " %p %I : %M ",
" %H : %M ",
" %I %p ", " %p %I "};
const char *formats_1[] = {" %H : %M : %S ", " %H : %M "};
const char *end = NULL;
struct tm *actual_local_time;
struct tm *actual_utc_time;
struct tm local_print_time;
struct tm utc_print_time;
struct tm diff_time;
gchar *utc_time = NULL;
int i, n;
if (local_time == NULL || local_time[0] == '\0')
return NULL;
n = supports_am_pm () ? G_N_ELEMENTS (formats_0) : G_N_ELEMENTS (formats_1);
for (i = 0; i < n; i++)
{
local_print_time.tm_hour = 0;
local_print_time.tm_min = 0;
local_print_time.tm_sec = 0;
if (supports_am_pm ())
end = strptime (local_time, formats_0[i], &local_print_time);
else
end = strptime (local_time, formats_1[i], &local_print_time);
if (end != NULL && end[0] == '\0')
break;
}
if (end != NULL && end[0] == '\0')
{
time_t rawtime;
time (&rawtime);
actual_utc_time = g_memdup (gmtime (&rawtime), sizeof (struct tm));
actual_local_time = g_memdup (localtime (&rawtime), sizeof (struct tm));
diff_time.tm_hour = actual_utc_time->tm_hour - actual_local_time->tm_hour;
diff_time.tm_min = actual_utc_time->tm_min - actual_local_time->tm_min;
diff_time.tm_sec = actual_utc_time->tm_sec - actual_local_time->tm_sec;
utc_print_time.tm_hour = ((local_print_time.tm_hour + diff_time.tm_hour) + 24) % 24;
utc_print_time.tm_min = ((local_print_time.tm_min + diff_time.tm_min) + 60) % 60;
utc_print_time.tm_sec = ((local_print_time.tm_sec + diff_time.tm_sec) + 60) % 60;
utc_time = g_strdup_printf ("%02d:%02d:%02d",
utc_print_time.tm_hour,
utc_print_time.tm_min,
utc_print_time.tm_sec);
}
return utc_time;
}
static void
cups_printer_get_settings_from_options (GtkPrinter *printer,
GtkPrinterOptionSet *options,
GtkPrintSettings *settings)
{
struct OptionData data;
const char *print_at, *print_at_time;
data.printer = printer;
data.options = options;
data.settings = settings;
data.ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (data.ppd_file != NULL)
{
GtkPrinterOption *cover_before, *cover_after;
gtk_printer_option_set_foreach (options, foreach_option_get_settings, &data);
cover_before = gtk_printer_option_set_lookup (options, "gtk-cover-before");
cover_after = gtk_printer_option_set_lookup (options, "gtk-cover-after");
if (cover_before && cover_after)
{
char *value = g_strdup_printf ("%s,%s", cover_before->value, cover_after->value);
gtk_print_settings_set (settings, "cups-job-sheets", value);
g_free (value);
}
print_at = gtk_print_settings_get (settings, "print-at");
print_at_time = gtk_print_settings_get (settings, "print-at-time");
if (strcmp (print_at, "at") == 0)
{
gchar *utc_time = NULL;
utc_time = localtime_to_utctime (print_at_time);
if (utc_time != NULL)
{
gtk_print_settings_set (settings, "cups-job-hold-until", utc_time);
g_free (utc_time);
}
else
gtk_print_settings_set (settings, "cups-job-hold-until", print_at_time);
}
else if (strcmp (print_at, "on-hold") == 0)
gtk_print_settings_set (settings, "cups-job-hold-until", "indefinite");
}
}
static void
cups_printer_prepare_for_print (GtkPrinter *printer,
GtkPrintJob *print_job,
GtkPrintSettings *settings,
GtkPageSetup *page_setup)
{
GtkPageSet page_set;
GtkPaperSize *paper_size;
const char *ppd_paper_name;
double scale;
print_job->print_pages = gtk_print_settings_get_print_pages (settings);
print_job->page_ranges = NULL;
print_job->num_page_ranges = 0;
if (print_job->print_pages == GTK_PRINT_PAGES_RANGES)
print_job->page_ranges =
gtk_print_settings_get_page_ranges (settings,
&print_job->num_page_ranges);
if (gtk_print_settings_get_collate (settings))
gtk_print_settings_set (settings, "cups-Collate", "True");
print_job->collate = FALSE;
if (gtk_print_settings_get_reverse (settings))
gtk_print_settings_set (settings, "cups-OutputOrder", "Reverse");
print_job->reverse = FALSE;
if (gtk_print_settings_get_n_copies (settings) > 1)
gtk_print_settings_set_int (settings, "cups-copies",
gtk_print_settings_get_n_copies (settings));
print_job->num_copies = 1;
scale = gtk_print_settings_get_scale (settings);
print_job->scale = 1.0;
if (scale != 100.0)
print_job->scale = scale/100.0;
page_set = gtk_print_settings_get_page_set (settings);
if (page_set == GTK_PAGE_SET_EVEN)
gtk_print_settings_set (settings, "cups-page-set", "even");
else if (page_set == GTK_PAGE_SET_ODD)
gtk_print_settings_set (settings, "cups-page-set", "odd");
print_job->page_set = GTK_PAGE_SET_ALL;
paper_size = gtk_page_setup_get_paper_size (page_setup);
ppd_paper_name = gtk_paper_size_get_ppd_name (paper_size);
if (ppd_paper_name != NULL)
gtk_print_settings_set (settings, "cups-PageSize", ppd_paper_name);
else
{
char width[G_ASCII_DTOSTR_BUF_SIZE];
char height[G_ASCII_DTOSTR_BUF_SIZE];
char *custom_name;
g_ascii_formatd (width, sizeof (width), "%.2f", gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS));
g_ascii_formatd (height, sizeof (height), "%.2f", gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS));
custom_name = g_strdup_printf (("Custom.%sx%s"), width, height);
gtk_print_settings_set (settings, "cups-PageSize", custom_name);
g_free (custom_name);
}
if (gtk_print_settings_get_number_up (settings) > 1)
{
GtkNumberUpLayout layout = gtk_print_settings_get_number_up_layout (settings);
GEnumClass *enum_class;
GEnumValue *enum_value;
switch (gtk_page_setup_get_orientation (page_setup))
{
case GTK_PAGE_ORIENTATION_PORTRAIT:
break;
case GTK_PAGE_ORIENTATION_LANDSCAPE:
if (layout < 4)
layout = layout + 2 + 4 * (1 - layout / 2);
else
layout = layout - 3 - 2 * (layout % 2);
break;
case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT:
layout = (layout + 3 - 2 * (layout % 2)) % 4 + 4 * (layout / 4);
break;
case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE:
if (layout < 4)
layout = layout + 5 - 2 * (layout % 2);
else
layout = layout - 6 + 4 * (1 - (layout - 4) / 2);
break;
}
enum_class = g_type_class_ref (GTK_TYPE_NUMBER_UP_LAYOUT);
enum_value = g_enum_get_value (enum_class, layout);
gtk_print_settings_set (settings, "cups-number-up-layout", enum_value->value_nick);
g_type_class_unref (enum_class);
}
print_job->rotate_to_orientation = TRUE;
}
static GtkPageSetup *
create_page_setup (ppd_file_t *ppd_file,
ppd_size_t *size)
{
char *display_name;
GtkPageSetup *page_setup;
GtkPaperSize *paper_size;
ppd_option_t *option;
ppd_choice_t *choice;
display_name = NULL;
option = ppdFindOption (ppd_file, "PageSize");
if (option)
{
choice = ppdFindChoice (option, size->name);
if (choice)
display_name = ppd_text_to_utf8 (ppd_file, choice->text);
}
if (display_name == NULL)
display_name = g_strdup (size->name);
page_setup = gtk_page_setup_new ();
paper_size = gtk_paper_size_new_from_ppd (size->name,
display_name,
size->width,
size->length);
gtk_page_setup_set_paper_size (page_setup, paper_size);
gtk_paper_size_free (paper_size);
gtk_page_setup_set_top_margin (page_setup, size->length - size->top, GTK_UNIT_POINTS);
gtk_page_setup_set_bottom_margin (page_setup, size->bottom, GTK_UNIT_POINTS);
gtk_page_setup_set_left_margin (page_setup, size->left, GTK_UNIT_POINTS);
gtk_page_setup_set_right_margin (page_setup, size->width - size->right, GTK_UNIT_POINTS);
g_free (display_name);
return page_setup;
}
static GList *
cups_printer_list_papers (GtkPrinter *printer)
{
ppd_file_t *ppd_file;
ppd_size_t *size;
GtkPageSetup *page_setup;
GList *l;
int i;
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file == NULL)
return NULL;
l = NULL;
for (i = 0; i < ppd_file->num_sizes; i++)
{
size = &ppd_file->sizes[i];
page_setup = create_page_setup (ppd_file, size);
l = g_list_prepend (l, page_setup);
}
return g_list_reverse (l);
}
static GtkPageSetup *
cups_printer_get_default_page_size (GtkPrinter *printer)
{
ppd_file_t *ppd_file;
ppd_size_t *size;
ppd_option_t *option;
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file == NULL)
return NULL;
option = ppdFindOption (ppd_file, "PageSize");
size = ppdPageSize (ppd_file, option->defchoice);
return create_page_setup (ppd_file, size);
}
static gboolean
cups_printer_get_hard_margins (GtkPrinter *printer,
gdouble *top,
gdouble *bottom,
gdouble *left,
gdouble *right)
{
ppd_file_t *ppd_file;
ppd_file = gtk_printer_cups_get_ppd (GTK_PRINTER_CUPS (printer));
if (ppd_file == NULL)
return FALSE;
*left = ppd_file->custom_margins[0];
*bottom = ppd_file->custom_margins[1];
*right = ppd_file->custom_margins[2];
*top = ppd_file->custom_margins[3];
return TRUE;
}
static GtkPrintCapabilities
cups_printer_get_capabilities (GtkPrinter *printer)
{
return
GTK_PRINT_CAPABILITY_COPIES |
GTK_PRINT_CAPABILITY_COLLATE |
GTK_PRINT_CAPABILITY_REVERSE |
#if (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 1 && CUPS_VERSION_PATCH >= 15) || (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR > 1) || CUPS_VERSION_MAJOR > 1
GTK_PRINT_CAPABILITY_NUMBER_UP_LAYOUT |
#endif
GTK_PRINT_CAPABILITY_NUMBER_UP;
}
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