Pileus Git - ~andy/gtk/blob - modules/printbackends/file/gtkprintbackendfile.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkprintbackendfile.c: Default implementation of GtkPrintBackend
   3  * for printing to a file
   4  * Copyright (C) 2003, Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include "config.h"
  23
  24 #include <unistd.h>
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <fcntl.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include <errno.h>
  32 #include <cairo.h>
  33 #include <cairo-pdf.h>
  34 #include <cairo-ps.h>
  35
  36 #include <glib/gi18n-lib.h>
  37
  38 #include "gtk/gtk.h"
  39 #include "gtk/gtkprinter-private.h"
  40
  41 #include "gtkprintbackendfile.h"
  42
  43 typedef struct _GtkPrintBackendFileClass GtkPrintBackendFileClass;
  44
  45 #define GTK_PRINT_BACKEND_FILE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
  46 #define GTK_IS_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_FILE))
  47 #define GTK_PRINT_BACKEND_FILE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
  48
  49 #define _STREAM_MAX_CHUNK_SIZE 8192
  50
  51 static GType print_backend_file_type = 0;
  52
  53 struct _GtkPrintBackendFileClass
  54 {
  55   GtkPrintBackendClass parent_class;
  56 };
  57
  58 struct _GtkPrintBackendFile
  59 {
  60   GtkPrintBackend parent_instance;
  61 };
  62
  63 typedef enum
  64 {
  65   FORMAT_PDF,
  66   FORMAT_PS,
  67   N_FORMATS
  68 } OutputFormat;
  69
  70 static const gchar* formats[N_FORMATS] =
  71 {
  72   "pdf",
  73   "ps"
  74 };
  75
  76 static GObjectClass *backend_parent_class;
  77
  78 static void                 gtk_print_backend_file_class_init      (GtkPrintBackendFileClass *class);
  79 static void                 gtk_print_backend_file_init            (GtkPrintBackendFile      *impl);
  80 static void                 file_printer_get_settings_from_options (GtkPrinter              *printer,
  81                                                                     GtkPrinterOptionSet     *options,
  82                                                                     GtkPrintSettings        *settings);
  83 static GtkPrinterOptionSet *file_printer_get_options               (GtkPrinter              *printer,
  84                                                                     GtkPrintSettings        *settings,
  85                                                                     GtkPageSetup            *page_setup,
  86                                                                     GtkPrintCapabilities     capabilities);
  87 static void                 file_printer_prepare_for_print         (GtkPrinter              *printer,
  88                                                                     GtkPrintJob             *print_job,
  89                                                                     GtkPrintSettings        *settings,
  90                                                                     GtkPageSetup            *page_setup);
  91 static void                 gtk_print_backend_file_print_stream    (GtkPrintBackend         *print_backend,
  92                                                                     GtkPrintJob             *job,
  93                                                                     GIOChannel              *data_io,
  94                                                                     GtkPrintJobCompleteFunc  callback,
  95                                                                     gpointer                 user_data,
  96                                                                     GDestroyNotify           dnotify);
  97 static cairo_surface_t *    file_printer_create_cairo_surface      (GtkPrinter              *printer,
  98                                                                     GtkPrintSettings        *settings,
  99                                                                     gdouble                  width,
 100                                                                     gdouble                  height,
 101                                                                     GIOChannel              *cache_io);
 102
 103 static GList *              file_printer_list_papers               (GtkPrinter              *printer);
 104 static GtkPageSetup *       file_printer_get_default_page_size     (GtkPrinter              *printer);
 105
 106 static void
 107 gtk_print_backend_file_register_type (GTypeModule *module)
 108 {
 109   static const GTypeInfo print_backend_file_info =
 110   {
 111     sizeof (GtkPrintBackendFileClass),
 112     NULL,               /* base_init */
 113     NULL,               /* base_finalize */
 114     (GClassInitFunc) gtk_print_backend_file_class_init,
 115     NULL,               /* class_finalize */
 116     NULL,               /* class_data */
 117     sizeof (GtkPrintBackendFile),
 118     0,          /* n_preallocs */
 119     (GInstanceInitFunc) gtk_print_backend_file_init,
 120   };
 121
 122   print_backend_file_type = g_type_module_register_type (module,
 123                                                          GTK_TYPE_PRINT_BACKEND,
 124                                                          "GtkPrintBackendFile",
 125                                                          &print_backend_file_info, 0);
 126 }
 127
 128 G_MODULE_EXPORT void
 129 pb_module_init (GTypeModule *module)
 130 {
 131   gtk_print_backend_file_register_type (module);
 132 }
 133
 134 G_MODULE_EXPORT void
 135 pb_module_exit (void)
 136 {
 137
 138 }
 139
 140 G_MODULE_EXPORT GtkPrintBackend *
 141 pb_module_create (void)
 142 {
 143   return gtk_print_backend_file_new ();
 144 }
 145
 146 /*
 147  * GtkPrintBackendFile
 148  */
 149 GType
 150 gtk_print_backend_file_get_type (void)
 151 {
 152   return print_backend_file_type;
 153 }
 154
 155 /**
 156  * gtk_print_backend_file_new:
 157  *
 158  * Creates a new #GtkPrintBackendFile object. #GtkPrintBackendFile
 159  * implements the #GtkPrintBackend interface with direct access to
 160  * the filesystem using Unix/Linux API calls
 161  *
 162  * Return value: the new #GtkPrintBackendFile object
 163  **/
 164 GtkPrintBackend *
 165 gtk_print_backend_file_new (void)
 166 {
 167   return g_object_new (GTK_TYPE_PRINT_BACKEND_FILE, NULL);
 168 }
 169
 170 static void
 171 gtk_print_backend_file_class_init (GtkPrintBackendFileClass *class)
 172 {
 173   GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
 174
 175   backend_parent_class = g_type_class_peek_parent (class);
 176
 177   backend_class->print_stream = gtk_print_backend_file_print_stream;
 178   backend_class->printer_create_cairo_surface = file_printer_create_cairo_surface;
 179   backend_class->printer_get_options = file_printer_get_options;
 180   backend_class->printer_get_settings_from_options = file_printer_get_settings_from_options;
 181   backend_class->printer_prepare_for_print = file_printer_prepare_for_print;
 182   backend_class->printer_list_papers = file_printer_list_papers;
 183   backend_class->printer_get_default_page_size = file_printer_get_default_page_size;
 184 }
 185
 186 /* return N_FORMATS if no explicit format in the settings */
 187 static OutputFormat
 188 format_from_settings (GtkPrintSettings *settings)
 189 {
 190   const gchar *value;
 191   gint i;
 192
 193   if (settings == NULL)
 194     return N_FORMATS;
 195
 196   value = gtk_print_settings_get (settings,
 197                                   GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
 198   if (value == NULL)
 199     return N_FORMATS;
 200
 201   for (i = 0; i < N_FORMATS; ++i)
 202     if (strcmp (value, formats[i]) == 0)
 203       break;
 204
 205   g_assert (i < N_FORMATS);
 206
 207   return (OutputFormat) i;
 208 }
 209
 210 static gchar *
 211 output_file_from_settings (GtkPrintSettings *settings,
 212                            const gchar      *default_format)
 213 {
 214   gchar *uri = NULL;
 215
 216   if (settings)
 217     uri = g_strdup (gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_URI));
 218
 219   if (uri == NULL)
 220     {
 221       const gchar *extension;
 222       gchar *name, *locale_name, *path;
 223
 224       if (default_format)
 225         extension = default_format;
 226       else
 227         {
 228           OutputFormat format;
 229
 230           format = format_from_settings (settings);
 231           extension = format == FORMAT_PS ? "ps" : "pdf";
 232         }
 233
 234       /* default filename used for print-to-file */
 235       name = g_strdup_printf (_("output.%s"), extension);
 236       locale_name = g_filename_from_utf8 (name, -1, NULL, NULL, NULL);
 237       g_free (name);
 238
 239       if (locale_name != NULL)
 240         {
 241           gchar *current_dir = g_get_current_dir ();
 242           path = g_build_filename (current_dir, locale_name, NULL);
 243           g_free (locale_name);
 244
 245           uri = g_filename_to_uri (path, NULL, NULL);
 246           g_free (path);
 247           g_free (current_dir);
 248         }
 249     }
 250
 251   return uri;
 252 }
 253
 254 static cairo_status_t
 255 _cairo_write (void                *closure,
 256               const unsigned char *data,
 257               unsigned int         length)
 258 {
 259   GIOChannel *io = (GIOChannel *)closure;
 260   gsize written;
 261   GError *error;
 262
 263   error = NULL;
 264
 265   GTK_NOTE (PRINTING,
 266             g_print ("FILE Backend: Writting %i byte chunk to temp file\n", length));
 267
 268   while (length > 0)
 269     {
 270       g_io_channel_write_chars (io, (const gchar *) data, length, &written, &error);
 271
 272       if (error != NULL)
 273         {
 274           GTK_NOTE (PRINTING,
 275                      g_print ("FILE Backend: Error writting to temp file, %s\n", error->message));
 276
 277           g_error_free (error);
 278           return CAIRO_STATUS_WRITE_ERROR;
 279         }
 280
 281       GTK_NOTE (PRINTING,
 282                 g_print ("FILE Backend: Wrote %i bytes to temp file\n", written));
 283
 284       data += written;
 285       length -= written;
 286     }
 287
 288   return CAIRO_STATUS_SUCCESS;
 289 }
 290
 291
 292 static cairo_surface_t *
 293 file_printer_create_cairo_surface (GtkPrinter       *printer,
 294                                    GtkPrintSettings *settings,
 295                                    gdouble           width,
 296                                    gdouble           height,
 297                                    GIOChannel       *cache_io)
 298 {
 299   cairo_surface_t *surface;
 300   OutputFormat format;
 301
 302   format = format_from_settings (settings);
 303
 304   if (format == FORMAT_PS)
 305     surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
 306   else
 307     surface = cairo_pdf_surface_create_for_stream (_cairo_write, cache_io, width, height);
 308
 309   /* TODO: DPI from settings object? */
 310   cairo_surface_set_fallback_resolution (surface, 300, 300);
 311
 312   return surface;
 313 }
 314
 315 typedef struct {
 316   GtkPrintBackend *backend;
 317   GtkPrintJobCompleteFunc callback;
 318   GtkPrintJob *job;
 319   GIOChannel *target_io;
 320   gpointer user_data;
 321   GDestroyNotify dnotify;
 322 } _PrintStreamData;
 323
 324 static void
 325 file_print_cb (GtkPrintBackendFile *print_backend,
 326                GError              *error,
 327                gpointer            user_data)
 328 {
 329   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 330
 331   GDK_THREADS_ENTER ();
 332
 333   if (ps->target_io != NULL)
 334     g_io_channel_unref (ps->target_io);
 335
 336   if (ps->callback)
 337     ps->callback (ps->job, ps->user_data, error);
 338
 339   if (ps->dnotify)
 340     ps->dnotify (ps->user_data);
 341
 342   gtk_print_job_set_status (ps->job,
 343                             (error != NULL)?GTK_PRINT_STATUS_FINISHED_ABORTED:GTK_PRINT_STATUS_FINISHED);
 344
 345   if (ps->job)
 346     g_object_unref (ps->job);
 347
 348   g_free (ps);
 349
 350   GDK_THREADS_LEAVE ();
 351 }
 352
 353 static gboolean
 354 file_write (GIOChannel   *source,
 355             GIOCondition  con,
 356             gpointer      user_data)
 357 {
 358   gchar buf[_STREAM_MAX_CHUNK_SIZE];
 359   gsize bytes_read;
 360   GError *error;
 361   GIOStatus read_status;
 362   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 363
 364   error = NULL;
 365
 366   read_status =
 367     g_io_channel_read_chars (source,
 368                              buf,
 369                              _STREAM_MAX_CHUNK_SIZE,
 370                              &bytes_read,
 371                              &error);
 372
 373   if (read_status != G_IO_STATUS_ERROR)
 374     {
 375       gsize bytes_written;
 376
 377       g_io_channel_write_chars (ps->target_io,
 378                                 buf,
 379                                 bytes_read,
 380                                 &bytes_written,
 381                                 &error);
 382     }
 383
 384   if (error != NULL || read_status == G_IO_STATUS_EOF)
 385     {
 386       file_print_cb (GTK_PRINT_BACKEND_FILE (ps->backend), error, user_data);
 387
 388       if (error != NULL)
 389         {
 390           GTK_NOTE (PRINTING,
 391                     g_print ("FILE Backend: %s\n", error->message));
 392
 393           g_error_free (error);
 394         }
 395
 396       return FALSE;
 397     }
 398
 399   GTK_NOTE (PRINTING,
 400             g_print ("FILE Backend: Writting %i byte chunk to target file\n", bytes_read));
 401
 402   return TRUE;
 403 }
 404
 405 static void
 406 gtk_print_backend_file_print_stream (GtkPrintBackend        *print_backend,
 407                                      GtkPrintJob            *job,
 408                                      GIOChannel             *data_io,
 409                                      GtkPrintJobCompleteFunc callback,
 410                                      gpointer                user_data,
 411                                      GDestroyNotify          dnotify)
 412 {
 413   GError *internal_error = NULL;
 414   GtkPrinter *printer;
 415   _PrintStreamData *ps;
 416   GtkPrintSettings *settings;
 417   gchar *uri, *filename;
 418
 419   printer = gtk_print_job_get_printer (job);
 420   settings = gtk_print_job_get_settings (job);
 421
 422   ps = g_new0 (_PrintStreamData, 1);
 423   ps->callback = callback;
 424   ps->user_data = user_data;
 425   ps->dnotify = dnotify;
 426   ps->job = g_object_ref (job);
 427   ps->backend = print_backend;
 428
 429   internal_error = NULL;
 430   uri = output_file_from_settings (settings, NULL);
 431   filename = g_filename_from_uri (uri, NULL, &internal_error);
 432   g_free (uri);
 433
 434   if (filename == NULL)
 435     goto error;
 436
 437   ps->target_io = g_io_channel_new_file (filename, "w", &internal_error);
 438
 439   g_free (filename);
 440
 441   if (internal_error == NULL)
 442     g_io_channel_set_encoding (ps->target_io, NULL, &internal_error);
 443
 444 error:
 445   if (internal_error != NULL)
 446     {
 447       file_print_cb (GTK_PRINT_BACKEND_FILE (print_backend),
 448                     internal_error, ps);
 449
 450       g_error_free (internal_error);
 451       return;
 452     }
 453
 454   g_io_add_watch (data_io,
 455                   G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
 456                   (GIOFunc) file_write,
 457                   ps);
 458 }
 459
 460 static void
 461 gtk_print_backend_file_init (GtkPrintBackendFile *backend)
 462 {
 463   GtkPrinter *printer;
 464
 465   printer = g_object_new (GTK_TYPE_PRINTER,
 466                           "name", _("Print to File"),
 467                           "backend", backend,
 468                           "is-virtual", TRUE,
 469                           NULL);
 470
 471   gtk_printer_set_has_details (printer, TRUE);
 472   gtk_printer_set_icon_name (printer, "gtk-floppy");
 473   gtk_printer_set_is_active (printer, TRUE);
 474
 475   gtk_print_backend_add_printer (GTK_PRINT_BACKEND (backend), printer);
 476   g_object_unref (printer);
 477
 478   gtk_print_backend_set_list_done (GTK_PRINT_BACKEND (backend));
 479 }
 480
 481 static void
 482 file_printer_output_file_format_changed (GtkPrinterOption    *format_option,
 483                                          GtkPrinterOptionSet *set)
 484 {
 485   GtkPrinterOption *uri_option;
 486   gchar            *base = NULL;
 487
 488   if (! format_option->value)
 489     return;
 490
 491   uri_option = gtk_printer_option_set_lookup (set,
 492                                               "gtk-main-page-custom-input");
 493
 494   if (uri_option && uri_option->value)
 495     {
 496       const gchar *uri = uri_option->value;
 497       const gchar *dot = strrchr (uri, '.');
 498
 499       if (dot)
 500         {
 501           gint i;
 502
 503           /*  check if the file extension matches one of the known ones  */
 504           for (i = 0; i < N_FORMATS; i++)
 505             if (strcmp (dot + 1, formats[i]) == 0)
 506               break;
 507
 508           if (i < N_FORMATS && strcmp (formats[i], format_option->value))
 509             {
 510               /*  the file extension is known but doesn't match the
 511                *  selected one, strip it away
 512                */
 513               base = g_strndup (uri, dot - uri);
 514             }
 515         }
 516       else
 517         {
 518           /*  there's no file extension  */
 519           base = g_strdup (uri);
 520         }
 521     }
 522
 523   if (base)
 524     {
 525       gchar *tmp = g_strdup_printf ("%s.%s", base, format_option->value);
 526
 527       gtk_printer_option_set (uri_option, tmp);
 528       g_free (tmp);
 529       g_free (base);
 530     }
 531 }
 532
 533 static GtkPrinterOptionSet *
 534 file_printer_get_options (GtkPrinter           *printer,
 535                           GtkPrintSettings     *settings,
 536                           GtkPageSetup         *page_setup,
 537                           GtkPrintCapabilities  capabilities)
 538 {
 539   GtkPrinterOptionSet *set;
 540   GtkPrinterOption *option;
 541   const gchar *n_up[] = {"1", "2", "4", "6", "9", "16" };
 542   const gchar *pages_per_sheet = NULL;
 543   const gchar *format_names[N_FORMATS] = { N_("PDF"), N_("Postscript") };
 544   const gchar *supported_formats[N_FORMATS];
 545   gchar *display_format_names[N_FORMATS];
 546   gint n_formats = 0;
 547   OutputFormat format;
 548   gchar *uri;
 549   gint current_format = 0;
 550
 551   format = format_from_settings (settings);
 552
 553   set = gtk_printer_option_set_new ();
 554
 555   option = gtk_printer_option_new ("gtk-n-up", _("Pages per _sheet:"), GTK_PRINTER_OPTION_TYPE_PICKONE);
 556   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
 557                                          (char **) n_up, (char **) n_up /* FIXME i18n (localised digits)! */);
 558   if (settings)
 559     pages_per_sheet = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
 560   if (pages_per_sheet)
 561     gtk_printer_option_set (option, pages_per_sheet);
 562   else
 563     gtk_printer_option_set (option, "1");
 564   gtk_printer_option_set_add (set, option);
 565   g_object_unref (option);
 566
 567   if (capabilities & (GTK_PRINT_CAPABILITY_GENERATE_PDF | GTK_PRINT_CAPABILITY_GENERATE_PS))
 568     {
 569       if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PDF)
 570         {
 571           if (format == FORMAT_PDF || format == N_FORMATS)
 572             {
 573               format = FORMAT_PDF;
 574               current_format = n_formats;
 575             }
 576           supported_formats[n_formats] = formats[FORMAT_PDF];
 577           display_format_names[n_formats] = _(format_names[FORMAT_PDF]);
 578           n_formats++;
 579         }
 580       if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PS)
 581         {
 582           if (format == FORMAT_PS || format == N_FORMATS)
 583             current_format = n_formats;
 584           supported_formats[n_formats] = formats[FORMAT_PS];
 585           display_format_names[n_formats] = _(format_names[FORMAT_PS]);
 586           n_formats++;
 587         }
 588     }
 589   else
 590     {
 591       current_format = format == FORMAT_PS ? FORMAT_PS : FORMAT_PDF;
 592       for (n_formats = 0; n_formats < N_FORMATS; ++n_formats)
 593         {
 594           supported_formats[n_formats] = formats[n_formats];
 595           display_format_names[n_formats] = _(format_names[n_formats]);
 596         }
 597     }
 598
 599   uri = output_file_from_settings (settings, supported_formats[current_format]);
 600
 601   option = gtk_printer_option_new ("gtk-main-page-custom-input", _("File"),
 602                                    GTK_PRINTER_OPTION_TYPE_FILESAVE);
 603   gtk_printer_option_set (option, uri);
 604   g_free (uri);
 605   option->group = g_strdup ("GtkPrintDialogExtension");
 606   gtk_printer_option_set_add (set, option);
 607
 608   if (n_formats > 1)
 609     {
 610       option = gtk_printer_option_new ("output-file-format", _("_Output format"),
 611                                        GTK_PRINTER_OPTION_TYPE_ALTERNATIVE);
 612       option->group = g_strdup ("GtkPrintDialogExtension");
 613
 614       gtk_printer_option_choices_from_array (option, n_formats,
 615                                              (char **) supported_formats,
 616                                              display_format_names);
 617       gtk_printer_option_set (option, supported_formats[current_format]);
 618       gtk_printer_option_set_add (set, option);
 619
 620       g_signal_connect (option, "changed",
 621                         G_CALLBACK (file_printer_output_file_format_changed),
 622                         set);
 623
 624       g_object_unref (option);
 625     }
 626
 627   return set;
 628 }
 629
 630 static void
 631 file_printer_get_settings_from_options (GtkPrinter          *printer,
 632                                         GtkPrinterOptionSet *options,
 633                                         GtkPrintSettings    *settings)
 634 {
 635   GtkPrinterOption *option;
 636
 637   option = gtk_printer_option_set_lookup (options, "gtk-main-page-custom-input");
 638   gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_URI, option->value);
 639
 640   option = gtk_printer_option_set_lookup (options, "output-file-format");
 641   if (option)
 642     gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, option->value);
 643
 644   option = gtk_printer_option_set_lookup (options, "gtk-n-up");
 645   if (option)
 646     gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
 647 }
 648
 649 static void
 650 file_printer_prepare_for_print (GtkPrinter       *printer,
 651                                 GtkPrintJob      *print_job,
 652                                 GtkPrintSettings *settings,
 653                                 GtkPageSetup     *page_setup)
 654 {
 655   gdouble scale;
 656
 657   print_job->print_pages = gtk_print_settings_get_print_pages (settings);
 658   print_job->page_ranges = NULL;
 659   print_job->num_page_ranges = 0;
 660
 661   if (print_job->print_pages == GTK_PRINT_PAGES_RANGES)
 662     print_job->page_ranges =
 663       gtk_print_settings_get_page_ranges (settings,
 664                                           &print_job->num_page_ranges);
 665
 666   print_job->collate = gtk_print_settings_get_collate (settings);
 667   print_job->reverse = gtk_print_settings_get_reverse (settings);
 668   print_job->num_copies = gtk_print_settings_get_n_copies (settings);
 669
 670   scale = gtk_print_settings_get_scale (settings);
 671   if (scale != 100.0)
 672     print_job->scale = scale/100.0;
 673
 674   print_job->page_set = gtk_print_settings_get_page_set (settings);
 675   print_job->rotate_to_orientation = TRUE;
 676 }
 677
 678 static GList *
 679 file_printer_list_papers (GtkPrinter *printer)
 680 {
 681   GList *result = NULL;
 682   GList *papers, *p;
 683   GtkPageSetup *page_setup;
 684
 685   papers = gtk_paper_size_get_paper_sizes (TRUE);
 686
 687   for (p = papers; p; p = p->next)
 688     {
 689       GtkPaperSize *paper_size = p->data;
 690
 691       page_setup = gtk_page_setup_new ();
 692       gtk_page_setup_set_paper_size (page_setup, paper_size);
 693       gtk_paper_size_free (paper_size);
 694       result = g_list_prepend (result, page_setup);
 695     }
 696
 697   g_list_free (papers);
 698
 699   return g_list_reverse (result);
 700 }
 701
 702 static GtkPageSetup *
 703 file_printer_get_default_page_size (GtkPrinter *printer)
 704 {
 705   GtkPageSetup *result = NULL;
 706
 707   return result;
 708 }