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gtk/modules/printbackends/papi/gtkprintbackendpapi.c
gheet c57fc80465 Adding PAPI printbackend 
Adding a new print backend module using libpapi detals see GNOME#382676.
(gheet)
2009-05-11 18:33:08 +01:00

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/* GTK - The GIMP Toolkit
* gtkprintbackendpapi.c: Default implementation of GtkPrintBackend
* for printing to papi
* Copyright (C) 2003, Red Hat, Inc.
* Copyright (C) 2009, Sun Microsystems, 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.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <papi.h>
#include <config.h>
#include <errno.h>
#include <cairo.h>
#include <cairo-ps.h>
#include <glib/gi18n-lib.h>
#include "gtk.h"
#include "gtkprintbackendpapi.h"
#include "gtkprinterpapi.h"
#include "gtkprinter-private.h"
typedef struct _GtkPrintBackendPapiClass GtkPrintBackendPapiClass;
#define GTK_PRINT_BACKEND_PAPI_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_PAPI, GtkPrintBackendPapiClass))
#define GTK_IS_PRINT_BACKEND_PAPI_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_PAPI))
#define GTK_PRINT_BACKEND_PAPI_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_PAPI, GtkPrintBackendPapiClass))
#define _PAPI_MAX_CHUNK_SIZE 8192
static GType print_backend_papi_type = 0;
struct _GtkPrintBackendPapiClass
{
GtkPrintBackendClass parent_class;
};
struct _GtkPrintBackendPapi
{
GtkPrintBackend parent_instance;
char *default_printer;
};
typedef struct {
GtkPrinter *printer;
} _PrinterStatus;
static GObjectClass *backend_parent_class;
static void gtk_print_backend_papi_class_init (GtkPrintBackendPapiClass *class);
static void gtk_print_backend_papi_init (GtkPrintBackendPapi *impl);
static void gtk_print_backend_papi_finalize (GObject *object);
static void gtk_print_backend_papi_dispose (GObject *object);
static void papi_request_printer_list (GtkPrintBackend *print_backend);
static gboolean papi_get_printer_list (GtkPrintBackendPapi *papi_backend);
static void papi_printer_request_details (GtkPrinter *printer);
static GtkPrintCapabilities papi_printer_get_capabilities (GtkPrinter *printer);
static void papi_printer_get_settings_from_options (GtkPrinter *printer,
GtkPrinterOptionSet *options,
GtkPrintSettings *settings);
static GtkPrinterOptionSet *papi_printer_get_options (GtkPrinter *printer,
GtkPrintSettings *settings,
GtkPageSetup *page_setup,
GtkPrintCapabilities capabilities);
static void papi_printer_prepare_for_print (GtkPrinter *printer,
GtkPrintJob *print_job,
GtkPrintSettings *settings,
GtkPageSetup *page_setup);
static cairo_surface_t * papi_printer_create_cairo_surface (GtkPrinter *printer,
GtkPrintSettings *settings,
gdouble width,
gdouble height,
GIOChannel *cache_io);
static void gtk_print_backend_papi_print_stream (GtkPrintBackend *print_backend,
GtkPrintJob *job,
GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
gpointer user_data,
GDestroyNotify dnotify);
static gboolean papi_display_printer_status (gpointer user_data);
static void papi_display_printer_status_done (gpointer user_data);
static void
gtk_print_backend_papi_register_type (GTypeModule *module)
{
static const GTypeInfo print_backend_papi_info =
{
sizeof (GtkPrintBackendPapiClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_print_backend_papi_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkPrintBackendPapi),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_print_backend_papi_init,
};
print_backend_papi_type = g_type_module_register_type (module,
GTK_TYPE_PRINT_BACKEND,
"GtkPrintBackendPapi",
&print_backend_papi_info, 0);
}
G_MODULE_EXPORT void
pb_module_init (GTypeModule *module)
{
gtk_print_backend_papi_register_type (module);
gtk_printer_papi_register_type (module);
}
G_MODULE_EXPORT void
pb_module_exit (void)
{
}
G_MODULE_EXPORT GtkPrintBackend *
pb_module_create (void)
{
return gtk_print_backend_papi_new ();
}
/*
* GtkPrintBackendPapi
*/
GType
gtk_print_backend_papi_get_type (void)
{
return print_backend_papi_type;
}
/**
* gtk_print_backend_papi_new:
*
* Creates a new #GtkPrintBackendPapi object. #GtkPrintBackendPapi
* implements the #GtkPrintBackend interface with direct access to
* the filesystem using Unix/Linux API calls
*
* Return value: the new #GtkPrintBackendPapi object
**/
GtkPrintBackend *
gtk_print_backend_papi_new (void)
{
return g_object_new (GTK_TYPE_PRINT_BACKEND_PAPI, NULL);
}
static void
gtk_print_backend_papi_class_init (GtkPrintBackendPapiClass *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_papi_finalize;
gobject_class->dispose = gtk_print_backend_papi_dispose;
backend_class->request_printer_list = papi_request_printer_list;
backend_class->printer_request_details = papi_printer_request_details;
backend_class->printer_get_capabilities = papi_printer_get_capabilities;
backend_class->printer_get_options = papi_printer_get_options;
backend_class->printer_get_settings_from_options = papi_printer_get_settings_from_options;
backend_class->printer_prepare_for_print = papi_printer_prepare_for_print;
backend_class->printer_create_cairo_surface = papi_printer_create_cairo_surface;
backend_class->print_stream = gtk_print_backend_papi_print_stream;
}
static cairo_status_t
_cairo_write (void *closure,
const unsigned char *data,
unsigned int length)
{
GIOChannel *io = (GIOChannel *)closure;
gsize written;
GError *error = NULL;
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: Writting %i byte chunk to temp file\n", length));
while (length > 0)
{
g_io_channel_write_chars (io, (char *)data, length, &written, &error);
if (error != NULL)
{
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: Error writting to temp file, %s\n", error->message));
g_error_free (error);
return CAIRO_STATUS_WRITE_ERROR;
}
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: Wrote %i bytes to temp file\n", written));
data += written;
length -= written;
}
return CAIRO_STATUS_SUCCESS;
}
static cairo_surface_t *
papi_printer_create_cairo_surface (GtkPrinter *printer,
GtkPrintSettings *settings,
gdouble width,
gdouble height,
GIOChannel *cache_io)
{
cairo_surface_t *surface;
surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
/* TODO: DPI from settings object? */
cairo_surface_set_fallback_resolution (surface, 300, 300);
return surface;
}
typedef struct {
GtkPrintBackend *backend;
GtkPrintJobCompleteFunc callback;
GtkPrintJob *job;
gpointer user_data;
GDestroyNotify dnotify;
papi_service_t service;
papi_stream_t stream;
} _PrintStreamData;
static void
papi_print_cb (GtkPrintBackendPapi *print_backend,
GError *error,
gpointer user_data)
{
_PrintStreamData *ps = (_PrintStreamData *) user_data;
if (ps->callback)
ps->callback (ps->job, ps->user_data, error);
if (ps->dnotify)
ps->dnotify (ps->user_data);
gtk_print_job_set_status (ps->job,
error ? GTK_PRINT_STATUS_FINISHED_ABORTED
: GTK_PRINT_STATUS_FINISHED);
if (ps->job)
g_object_unref (ps->job);
g_free (ps);
}
static gboolean
papi_write (GIOChannel *source,
GIOCondition con,
gpointer user_data)
{
gchar buf[_PAPI_MAX_CHUNK_SIZE];
gsize bytes_read;
GError *error;
GIOStatus status;
_PrintStreamData *ps = (_PrintStreamData *) user_data;
papi_job_t job = NULL;
error = NULL;
status = g_io_channel_read_chars (source,
buf,
_PAPI_MAX_CHUNK_SIZE,
&bytes_read,
&error);
/* Keep writing to PAPI input stream while there are data */
if (status != G_IO_STATUS_ERROR)
{
papiJobStreamWrite (ps->service, ps->stream, buf, bytes_read);
}
/* Finish reading input stream data. Closing the stream and handle to service */
if (bytes_read == 0) {
papiJobStreamClose (ps->service, ps->stream, &job);
ps->stream = NULL;
papiJobFree (job);
papiServiceDestroy (ps->service);
ps->service = NULL;
}
if (error != NULL || status == G_IO_STATUS_EOF)
{
papi_print_cb (GTK_PRINT_BACKEND_PAPI (ps->backend),
error, user_data);
if (error)
g_error_free (error);
if (error != NULL)
{
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: %s\n", error->message));
g_error_free (error);
}
return FALSE;
}
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: Writting %i byte chunk to papi pipe\n", bytes_read));
return TRUE;
}
static void
gtk_print_backend_papi_print_stream (GtkPrintBackend *print_backend,
GtkPrintJob *job,
GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
gpointer user_data,
GDestroyNotify dnotify)
{
GError *print_error = NULL;
GtkPrinterPapi *printer;
_PrintStreamData *ps;
GtkPrintSettings *settings;
gint argc;
gint in_fd;
gchar **argv = NULL;
const gchar *title;
char *prtnm = NULL;
GtkPrintDuplex val;
papi_status_t pstatus = NULL;
papi_attribute_t **attrs = NULL;
papi_job_ticket_t *ticket = NULL;
printer = GTK_PRINTER_PAPI (gtk_print_job_get_printer (job));
settings = gtk_print_job_get_settings (job);
/* FIXME - the title should be set as the job-name */
title = gtk_print_job_get_title (job);
ps = g_new0 (_PrintStreamData, 1);
ps->callback = callback;
ps->user_data = user_data;
ps->dnotify = dnotify;
ps->job = g_object_ref (job);
ps->service = NULL;
ps->stream = NULL;
/* This cannot be queried yet with the current API */
papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "document-format", "application/postscript");
val = gtk_print_settings_get_duplex (settings) ;
if (val == GTK_PRINT_DUPLEX_HORIZONTAL)
papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexNoTumble");
else if (val == GTK_PRINT_DUPLEX_VERTICAL)
papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexTumble");
if (job->num_copies > 1)
{
papiAttributeListAddInteger (&attrs, PAPI_ATTR_EXCL, "copies", job->num_copies);
}
prtnm = strdup (gtk_printer_get_name (GTK_PRINTER(printer)));
if (papiServiceCreate (&(ps->service), prtnm, NULL, NULL, NULL,
PAPI_ENCRYPT_NEVER, NULL) != PAPI_OK)
return;
pstatus = papiJobStreamOpen (ps->service, prtnm, attrs, ticket, &(ps->stream));
if (pstatus != PAPI_OK)
{
papiServiceDestroy (ps->service);
ps->service = NULL;
return;
}
/* Everything set up fine, so get ready to wait for input data stream */
g_io_add_watch (data_io,
G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
(GIOFunc) papi_write,
ps);
}
static void
_papi_set_default_printer (GtkPrintBackendPapi *backend)
{
char *def_printer = NULL;
char *_default_attr[] = { "printer-name", NULL };
papi_service_t service = NULL;
papi_printer_t default_printer = NULL;
papi_attribute_t **attrs = NULL;
if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
NULL) != PAPI_OK)
return;
if (papiPrinterQuery (service, "_default", _default_attr, NULL,
&default_printer) == PAPI_OK)
{
if (default_printer != NULL)
{
attrs = papiPrinterGetAttributeList (default_printer);
if (attrs != NULL)
if (papiAttributeListGetString (attrs, NULL, "printer-name",
&def_printer) == PAPI_OK)
{
backend->default_printer = strdup (def_printer);
}
}
}
papiPrinterFree (default_printer);
papiServiceDestroy (service);
}
static void
gtk_print_backend_papi_init (GtkPrintBackendPapi *backend)
{
_papi_set_default_printer (backend);
}
static void
gtk_print_backend_papi_finalize (GObject *object)
{
GtkPrintBackendPapi *backend_papi;
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: finalizing PAPI backend module\n"));
backend_papi = GTK_PRINT_BACKEND_PAPI (object);
g_free (backend_papi->default_printer);
backend_papi->default_printer = NULL;
backend_parent_class->finalize (object);
}
static void
gtk_print_backend_papi_dispose (GObject *object)
{
GtkPrintBackendPapi *backend_papi;
GTK_NOTE (PRINTING,
g_print ("PAPI Backend: %s\n", G_STRFUNC));
backend_papi = GTK_PRINT_BACKEND_PAPI (object);
backend_parent_class->dispose (object);
}
char **
get_all_list(papi_service_t svc)
{
papi_status_t status;
papi_printer_t printer = NULL;
char *attr[] = { "member-names", NULL };
char **names = NULL;
status = papiPrinterQuery(svc, "_all", attr, NULL, &printer);
if ((status == PAPI_OK) && (printer != NULL)) {
papi_attribute_t **attributes =
papiPrinterGetAttributeList(printer);
if (attributes != NULL) {
void *iter = NULL;
char *member = NULL;
for (status = papiAttributeListGetString(attributes,
&iter, "member-names", &member);
status == PAPI_OK;
status = papiAttributeListGetString(attributes,
&iter, NULL, &member))
list_append(&names, strdup(member));
}
papiPrinterFree(printer);
}
return (names);
}
static char **
get_printers_list(papi_service_t svc)
{
papi_status_t status;
papi_printer_t *printers = NULL;
char *keys[] = { "printer-name", "printer-uri-supported", NULL };
char **names = NULL;
status = papiPrintersList(svc, keys, NULL, &printers);
if ((status == PAPI_OK) && (printers != NULL)) {
int i;
for (i = 0; printers[i] != NULL; i++) {
papi_attribute_t **attributes =
papiPrinterGetAttributeList(printers[i]);
char *name = NULL;
(void) papiAttributeListGetString(attributes, NULL,
"printer-name", &name);
if ((name != NULL) && (strcmp(name, "_default") != 0))
list_append(&names, strdup(name));
}
papiPrinterListFree(printers);
}
return (names);
}
static void
papi_request_printer_list (GtkPrintBackend *backend)
{
GtkPrintBackendPapi *papi_backend;
papi_backend = GTK_PRINT_BACKEND_PAPI (backend);
/* Get the list of printers using papi API */
papi_get_printer_list (papi_backend);
}
static gboolean
papi_get_printer_list (GtkPrintBackendPapi *papi_backend)
{
int i;
const char *attributes[] = /* Attributes we're interested in */
{
"printer-name",
"printer-uri-supported",
NULL
};
papi_status_t status, status2;
papi_service_t service = NULL;
char **printers = NULL;
GtkPrinter *printer;
GtkPrinterPapi *papi_printer;
GList *current_printer_list;
GtkPrintBackend *backend = GTK_PRINT_BACKEND (papi_backend);
if ((status = papiServiceCreate (&service, NULL, NULL, NULL, NULL,
PAPI_ENCRYPT_NEVER, NULL)) != PAPI_OK)
return FALSE;
if ((printers = get_all_list (service)) == NULL)
{
printers = get_printers_list (service);
}
if (printers == NULL)
{
papiServiceDestroy (service);
return FALSE;
}
for (i = 0; printers[i] != NULL; i++)
{
GtkPrinter *printer;
char *name = NULL, *url = NULL;
papi_attribute_t **attrs = NULL;
printer = gtk_print_backend_find_printer (backend, printers[i]);
if (!printer)
{
/* skip null printer name just in case */
if (printers[i] == NULL)
continue;
/* skip the alias _default and _all printers */
if (strcmp(printers[i], "_default")==0 || strcmp(printers[i], "_all")==0)
continue;
papi_printer = gtk_printer_papi_new (printers[i], backend);
printer = GTK_PRINTER (papi_printer);
/* Only marked default printer to not have details so that
the request_details method will be called at start up
*/
if (papi_backend->default_printer != NULL)
if (strcmp (printers[i], papi_backend->default_printer)==0)
{
gtk_printer_set_is_default (printer, TRUE);
}
gtk_printer_set_icon_name (printer, "gtk-print");
gtk_print_backend_add_printer (backend, printer);
gtk_printer_set_is_active (printer, TRUE);
/* gtk_printer_set_has_details (printer, TRUE); */
}
else
g_object_ref (printer);
if (!gtk_printer_is_active (printer))
{
gtk_printer_set_is_active (printer, TRUE);
gtk_printer_set_is_new (printer, TRUE);
}
if (gtk_printer_is_new (printer))
{
g_signal_emit_by_name (backend, "printer-added", printer);
gtk_printer_set_is_new (printer, FALSE);
}
g_object_unref (printer);
}
free (printers);
papiServiceDestroy (service);
/* To set that the list of printers added is complete */
gtk_print_backend_set_list_done (backend);
return TRUE;
}
static void
update_printer_status (GtkPrinter *printer)
{
GtkPrintBackend *backend;
GtkPrinterPapi *papi_printer;
gboolean status_changed = FALSE;
backend = gtk_printer_get_backend (printer);
papi_printer = GTK_PRINTER_PAPI (printer);
/* if (status_changed) */
g_signal_emit_by_name (GTK_PRINT_BACKEND (backend),
"printer-status-changed", printer);
}
static GtkPrinterOptionSet *
papi_printer_get_options (GtkPrinter *printer,
GtkPrintSettings *settings,
GtkPageSetup *page_setup,
GtkPrintCapabilities capabilities)
{
GtkPrinterOptionSet *set;
GtkPrinterOption *option;
int i;
char *print_at[] = { "now", "on-hold" };
char *n_up[] = {"1"};
/* Update the printer status before the printer options are displayed */
update_printer_status (printer);
set = gtk_printer_option_set_new ();
/* non-ppd related settings */
/* This maps to number-up-supported in PAPI. FIXME
* number-up-default is the default value.
* number-up-supported is the list of number of able to print per page
*/
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");
gtk_printer_option_set_add (set, option);
g_object_unref (option);
/* This maps to job-priority-supported and job-priority-default in PAPI - FIXME*/
/* This relates to job-sheets-supported in PAPI FIXME*/
/* This relates to job-hold-until-supported in PAPI */
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");
gtk_printer_option_set_add (set, option);
g_object_unref (option);
return set;
}
static void
papi_printer_get_settings_from_options (GtkPrinter *printer,
GtkPrinterOptionSet *options,
GtkPrintSettings *settings)
{
GtkPrinterOption *option;
option = gtk_printer_option_set_lookup (options, "gtk-n-up");
if (option)
gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
}
static void
papi_printer_prepare_for_print (GtkPrinter *printer,
GtkPrintJob *print_job,
GtkPrintSettings *settings,
GtkPageSetup *page_setup)
{
GtkPageSet page_set;
double scale;
GtkPaperSize *papersize = NULL;
char *ppd_paper_name;
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);
print_job->collate = gtk_print_settings_get_collate (settings);
print_job->reverse = gtk_print_settings_get_reverse (settings);
print_job->num_copies = gtk_print_settings_get_n_copies (settings);
scale = gtk_print_settings_get_scale (settings);
if (scale != 100.0)
print_job->scale = scale/100.0;
papersize = gtk_page_setup_get_paper_size (page_setup);
ppd_paper_name = gtk_paper_size_get_ppd_name (papersize);
page_set = gtk_print_settings_get_page_set (settings);
if (page_set == GTK_PAGE_SET_EVEN)
print_job->page_set = GTK_PAGE_SET_EVEN;
else if (page_set == GTK_PAGE_SET_ODD)
print_job->page_set = GTK_PAGE_SET_ODD;
else
print_job->page_set = GTK_PAGE_SET_ALL;
print_job->rotate_to_orientation = TRUE;
}
gboolean
is_local_printer (gchar *printer_uri)
{
if (strncmp (printer_uri, "lpsched:", 8) == 0)
return TRUE;
else
return FALSE;
}
void
merge_ppd_data (papi_attribute_t ***attributes, gchar *ppdfile)
{
get_ppd_attrs (attributes, ppdfile);
}
static void
papi_display_printer_status_done (gpointer user_data)
{
GtkPrinter *printer = (GtkPrinter *) user_data;
GtkPrinterPapi *papi_printer;
g_signal_emit_by_name (printer, "details-acquired", TRUE);
papi_printer = GTK_PRINTER_PAPI (printer);
return;
}
#define IDLE 3
#define PROCESSING 4
#define STOPPED 5
static gboolean
papi_display_printer_status (gpointer user_data)
{
GtkPrinter *printer = (GtkPrinter *) user_data;
GtkPrinterPapi *papi_printer;
gchar *loc, *printer_uri, *ppdfile;
int state;
papi_service_t service;
papi_attribute_t **attrs = NULL;
papi_printer_t current_printer = NULL;
static int count = 0;
papi_printer = GTK_PRINTER_PAPI (printer);
if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
NULL) != PAPI_OK)
return FALSE;
if (papiPrinterQuery (service, papi_printer->printer_name, NULL, NULL,
&current_printer) != PAPI_OK)
{
/* SUN_BRANDING */
gtk_printer_set_state_message (printer, _("printer offline"));
}
if (current_printer != NULL)
{
attrs = papiPrinterGetAttributeList (current_printer);
}
if (papiAttributeListGetString (attrs, NULL, "printer-info", &loc) == PAPI_OK)
{
gtk_printer_set_location (printer, loc);
}
if (papiAttributeListGetInteger (attrs, NULL, "printer-state", &state) == PAPI_OK)
{
switch (state)
{
/* SUN_BRANDING */
case IDLE: gtk_printer_set_state_message (printer, _("ready to print"));
break;
/* SUN_BRANDING */
case PROCESSING: gtk_printer_set_state_message (printer, _("processing job"));
break;
/* SUN_BRANDING */
case STOPPED: gtk_printer_set_state_message (printer, _("paused"));
break;
/* SUN_BRANDING */
default: gtk_printer_set_state_message (printer, _("unknown"));
break;
}
}
papiPrinterFree (current_printer);
papiServiceDestroy (service);
gtk_printer_set_has_details (printer, TRUE);
return FALSE;
}
static void
papi_printer_request_details (GtkPrinter *printer)
{
g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, papi_display_printer_status, printer, papi_display_printer_status_done);
}
static GtkPrintCapabilities
papi_printer_get_capabilities (GtkPrinter *printer)
{
return GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_PAGE_SET ;
}
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