Pileus Git - ~andy/gtk/blob - gtk/gtkpagesetupunixdialog.c

   1 /* GtkPageSetupUnixDialog
   2  * Copyright (C) 2006 Alexander Larsson <alexl@redhat.com>
   3  * Copyright © 2006, 2007, 2008 Christian Persch
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21
  22 #include "config.h"
  23 #include <string.h>
  24 #include <locale.h>
  25
  26 #include "gtkintl.h"
  27 #include "gtkprivate.h"
  28
  29 #include "gtkliststore.h"
  30 #include "gtkstock.h"
  31 #include "gtktreeviewcolumn.h"
  32 #include "gtktreeselection.h"
  33 #include "gtktreemodel.h"
  34 #include "gtkbutton.h"
  35 #include "gtkscrolledwindow.h"
  36 #include "gtkcombobox.h"
  37 #include "gtktogglebutton.h"
  38 #include "gtkradiobutton.h"
  39 #include "gtklabel.h"
  40 #include "gtkgrid.h"
  41 #include "gtkcelllayout.h"
  42 #include "gtkcellrenderertext.h"
  43
  44 #include "gtkpagesetupunixdialog.h"
  45 #include "gtkcustompaperunixdialog.h"
  46 #include "gtkprintbackend.h"
  47 #include "gtkpapersize.h"
  48 #include "gtkprintutils.h"
  49
  50 /**
  51  * SECTION:gtkpagesetupunixdialog
  52  * @Short_description: A page setup dialog
  53  * @Title: GtkPageSetupUnixDialog
  54  *
  55  * #GtkPageSetupUnixDialog implements a page setup dialog for platforms
  56  * which don't provide a native page setup dialog, like Unix. It can
  57  * be used very much like any other GTK+ dialog, at the cost of
  58  * the portability offered by the <link
  59  * linkend="gtk-High-level-Printing-API">high-level printing API</link>
  60  *
  61  * Printing support was added in GTK+ 2.10.
  62  */
  63
  64
  65 struct _GtkPageSetupUnixDialogPrivate
  66 {
  67   GtkListStore *printer_list;
  68   GtkListStore *page_setup_list;
  69   GtkListStore *custom_paper_list;
  70
  71   GList *print_backends;
  72
  73   GtkWidget *printer_combo;
  74   GtkWidget *paper_size_combo;
  75   GtkWidget *paper_size_label;
  76
  77   GtkWidget *portrait_radio;
  78   GtkWidget *reverse_portrait_radio;
  79   GtkWidget *landscape_radio;
  80   GtkWidget *reverse_landscape_radio;
  81
  82   gulong request_details_tag;
  83   GtkPrinter *request_details_printer;
  84
  85   GtkPrintSettings *print_settings;
  86
  87   /* Save last setup so we can re-set it after selecting manage custom sizes */
  88   GtkPageSetup *last_setup;
  89
  90   gchar *waiting_for_printer;
  91 };
  92
  93 enum {
  94   PRINTER_LIST_COL_NAME,
  95   PRINTER_LIST_COL_PRINTER,
  96   PRINTER_LIST_N_COLS
  97 };
  98
  99 enum {
 100   PAGE_SETUP_LIST_COL_PAGE_SETUP,
 101   PAGE_SETUP_LIST_COL_IS_SEPARATOR,
 102   PAGE_SETUP_LIST_N_COLS
 103 };
 104
 105 G_DEFINE_TYPE (GtkPageSetupUnixDialog, gtk_page_setup_unix_dialog, GTK_TYPE_DIALOG)
 106
 107 static void gtk_page_setup_unix_dialog_finalize  (GObject                *object);
 108 static void populate_dialog                      (GtkPageSetupUnixDialog *dialog);
 109 static void fill_paper_sizes_from_printer        (GtkPageSetupUnixDialog *dialog,
 110                                                   GtkPrinter             *printer);
 111 static void printer_added_cb                     (GtkPrintBackend        *backend,
 112                                                   GtkPrinter             *printer,
 113                                                   GtkPageSetupUnixDialog *dialog);
 114 static void printer_removed_cb                   (GtkPrintBackend        *backend,
 115                                                   GtkPrinter             *printer,
 116                                                   GtkPageSetupUnixDialog *dialog);
 117 static void printer_status_cb                    (GtkPrintBackend        *backend,
 118                                                   GtkPrinter             *printer,
 119                                                   GtkPageSetupUnixDialog *dialog);
 120
 121
 122
 123 static const gchar const common_paper_sizes[][16] = {
 124   "na_letter",
 125   "na_legal",
 126   "iso_a4",
 127   "iso_a5",
 128   "roc_16k",
 129   "iso_b5",
 130   "jis_b5",
 131   "na_number-10",
 132   "iso_dl",
 133   "jpn_chou3",
 134   "na_ledger",
 135   "iso_a3",
 136 };
 137
 138
 139 static void
 140 gtk_page_setup_unix_dialog_class_init (GtkPageSetupUnixDialogClass *class)
 141 {
 142   GObjectClass *object_class;
 143
 144   object_class = (GObjectClass *) class;
 145
 146   object_class->finalize = gtk_page_setup_unix_dialog_finalize;
 147
 148   g_type_class_add_private (class, sizeof (GtkPageSetupUnixDialogPrivate));
 149 }
 150
 151 static void
 152 gtk_page_setup_unix_dialog_init (GtkPageSetupUnixDialog *dialog)
 153 {
 154   GtkPageSetupUnixDialogPrivate *priv;
 155   GtkTreeIter iter;
 156   gchar *tmp;
 157
 158   priv = dialog->priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog,
 159                                                      GTK_TYPE_PAGE_SETUP_UNIX_DIALOG,
 160                                                      GtkPageSetupUnixDialogPrivate);
 161
 162   priv->print_backends = NULL;
 163
 164   priv->printer_list = gtk_list_store_new (PRINTER_LIST_N_COLS,
 165                                                    G_TYPE_STRING,
 166                                                    G_TYPE_OBJECT);
 167
 168   gtk_list_store_append (priv->printer_list, &iter);
 169   tmp = g_strdup_printf ("<b>%s</b>\n%s", _("Any Printer"), _("For portable documents"));
 170   gtk_list_store_set (priv->printer_list, &iter,
 171                       PRINTER_LIST_COL_NAME, tmp,
 172                       PRINTER_LIST_COL_PRINTER, NULL,
 173                       -1);
 174   g_free (tmp);
 175
 176   priv->page_setup_list = gtk_list_store_new (PAGE_SETUP_LIST_N_COLS,
 177                                                       G_TYPE_OBJECT,
 178                                                       G_TYPE_BOOLEAN);
 179
 180   priv->custom_paper_list = gtk_list_store_new (1, G_TYPE_OBJECT);
 181   _gtk_print_load_custom_papers (priv->custom_paper_list);
 182
 183   populate_dialog (dialog);
 184
 185   gtk_dialog_add_buttons (GTK_DIALOG (dialog),
 186                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 187                           GTK_STOCK_APPLY, GTK_RESPONSE_OK,
 188                           NULL);
 189   gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
 190                                            GTK_RESPONSE_OK,
 191                                            GTK_RESPONSE_CANCEL,
 192                                            -1);
 193
 194   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
 195 }
 196
 197 static void
 198 gtk_page_setup_unix_dialog_finalize (GObject *object)
 199 {
 200   GtkPageSetupUnixDialog *dialog = GTK_PAGE_SETUP_UNIX_DIALOG (object);
 201   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 202   GtkPrintBackend *backend;
 203   GList *node;
 204
 205   if (priv->request_details_tag)
 206     {
 207       g_signal_handler_disconnect (priv->request_details_printer,
 208                                    priv->request_details_tag);
 209       g_object_unref (priv->request_details_printer);
 210       priv->request_details_printer = NULL;
 211       priv->request_details_tag = 0;
 212     }
 213
 214   if (priv->printer_list)
 215     {
 216       g_object_unref (priv->printer_list);
 217       priv->printer_list = NULL;
 218     }
 219
 220   if (priv->page_setup_list)
 221     {
 222       g_object_unref (priv->page_setup_list);
 223       priv->page_setup_list = NULL;
 224     }
 225
 226   if (priv->custom_paper_list)
 227     {
 228       g_object_unref (priv->custom_paper_list);
 229       priv->custom_paper_list = NULL;
 230     }
 231
 232   if (priv->print_settings)
 233     {
 234       g_object_unref (priv->print_settings);
 235       priv->print_settings = NULL;
 236     }
 237
 238   g_free (priv->waiting_for_printer);
 239   priv->waiting_for_printer = NULL;
 240
 241   for (node = priv->print_backends; node != NULL; node = node->next)
 242     {
 243       backend = GTK_PRINT_BACKEND (node->data);
 244
 245       g_signal_handlers_disconnect_by_func (backend, printer_added_cb, dialog);
 246       g_signal_handlers_disconnect_by_func (backend, printer_removed_cb, dialog);
 247       g_signal_handlers_disconnect_by_func (backend, printer_status_cb, dialog);
 248
 249       gtk_print_backend_destroy (backend);
 250       g_object_unref (backend);
 251     }
 252
 253   g_list_free (priv->print_backends);
 254   priv->print_backends = NULL;
 255
 256   G_OBJECT_CLASS (gtk_page_setup_unix_dialog_parent_class)->finalize (object);
 257 }
 258
 259 static void
 260 printer_added_cb (GtkPrintBackend        *backend,
 261                   GtkPrinter             *printer,
 262                   GtkPageSetupUnixDialog *dialog)
 263 {
 264   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 265   GtkTreeIter iter;
 266   gchar *str;
 267   const gchar *location;
 268
 269   if (gtk_printer_is_virtual (printer))
 270     return;
 271
 272   location = gtk_printer_get_location (printer);
 273   if (location == NULL)
 274     location = "";
 275   str = g_strdup_printf ("<b>%s</b>\n%s",
 276                          gtk_printer_get_name (printer),
 277                          location);
 278
 279   gtk_list_store_append (priv->printer_list, &iter);
 280   gtk_list_store_set (priv->printer_list, &iter,
 281                       PRINTER_LIST_COL_NAME, str,
 282                       PRINTER_LIST_COL_PRINTER, printer,
 283                       -1);
 284
 285   g_object_set_data_full (G_OBJECT (printer),
 286                           "gtk-print-tree-iter",
 287                           gtk_tree_iter_copy (&iter),
 288                           (GDestroyNotify) gtk_tree_iter_free);
 289   g_free (str);
 290
 291   if (priv->waiting_for_printer != NULL &&
 292       strcmp (priv->waiting_for_printer,
 293               gtk_printer_get_name (printer)) == 0)
 294     {
 295       gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->printer_combo),
 296                                      &iter);
 297       priv->waiting_for_printer = NULL;
 298     }
 299 }
 300
 301 static void
 302 printer_removed_cb (GtkPrintBackend        *backend,
 303                     GtkPrinter             *printer,
 304                     GtkPageSetupUnixDialog *dialog)
 305 {
 306   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 307   GtkTreeIter *iter;
 308
 309   iter = g_object_get_data (G_OBJECT (printer), "gtk-print-tree-iter");
 310   gtk_list_store_remove (GTK_LIST_STORE (priv->printer_list), iter);
 311 }
 312
 313
 314 static void
 315 printer_status_cb (GtkPrintBackend        *backend,
 316                    GtkPrinter             *printer,
 317                    GtkPageSetupUnixDialog *dialog)
 318 {
 319   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 320   GtkTreeIter *iter;
 321   gchar *str;
 322   const gchar *location;
 323
 324   iter = g_object_get_data (G_OBJECT (printer), "gtk-print-tree-iter");
 325
 326   location = gtk_printer_get_location (printer);
 327   if (location == NULL)
 328     location = "";
 329   str = g_strdup_printf ("<b>%s</b>\n%s",
 330                          gtk_printer_get_name (printer),
 331                          location);
 332   gtk_list_store_set (priv->printer_list, iter,
 333                       PRINTER_LIST_COL_NAME, str,
 334                       -1);
 335   g_free (str);
 336 }
 337
 338 static void
 339 printer_list_initialize (GtkPageSetupUnixDialog *dialog,
 340                          GtkPrintBackend        *print_backend)
 341 {
 342   GList *list, *node;
 343
 344   g_return_if_fail (print_backend != NULL);
 345
 346   g_signal_connect_object (print_backend,
 347                            "printer-added",
 348                            (GCallback) printer_added_cb,
 349                            G_OBJECT (dialog), 0);
 350
 351   g_signal_connect_object (print_backend,
 352                            "printer-removed",
 353                            (GCallback) printer_removed_cb,
 354                            G_OBJECT (dialog), 0);
 355
 356   g_signal_connect_object (print_backend,
 357                            "printer-status-changed",
 358                            (GCallback) printer_status_cb,
 359                            G_OBJECT (dialog), 0);
 360
 361   list = gtk_print_backend_get_printer_list (print_backend);
 362
 363   node = list;
 364   while (node != NULL)
 365     {
 366       printer_added_cb (print_backend, node->data, dialog);
 367       node = node->next;
 368     }
 369
 370   g_list_free (list);
 371
 372 }
 373
 374 static void
 375 load_print_backends (GtkPageSetupUnixDialog *dialog)
 376 {
 377   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 378   GList *node;
 379
 380   if (g_module_supported ())
 381     priv->print_backends = gtk_print_backend_load_modules ();
 382
 383   for (node = priv->print_backends; node != NULL; node = node->next)
 384     printer_list_initialize (dialog, GTK_PRINT_BACKEND (node->data));
 385 }
 386
 387 static gboolean
 388 paper_size_row_is_separator (GtkTreeModel *model,
 389                              GtkTreeIter  *iter,
 390                              gpointer      data)
 391 {
 392   gboolean separator;
 393
 394   gtk_tree_model_get (model, iter, PAGE_SETUP_LIST_COL_IS_SEPARATOR, &separator, -1);
 395   return separator;
 396 }
 397
 398 static GtkPageSetup *
 399 get_current_page_setup (GtkPageSetupUnixDialog *dialog)
 400 {
 401   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 402   GtkPageSetup *current_page_setup;
 403   GtkComboBox *combo_box;
 404   GtkTreeIter iter;
 405
 406   current_page_setup = NULL;
 407
 408   combo_box = GTK_COMBO_BOX (priv->paper_size_combo);
 409   if (gtk_combo_box_get_active_iter (combo_box, &iter))
 410     gtk_tree_model_get (GTK_TREE_MODEL (priv->page_setup_list), &iter,
 411                         PAGE_SETUP_LIST_COL_PAGE_SETUP, &current_page_setup, -1);
 412
 413   if (current_page_setup)
 414     return current_page_setup;
 415
 416   /* No selected page size, return the default one.
 417    * This is used to set the first page setup when the dialog is created
 418    * as there is no selection on the first printer_changed.
 419    */
 420   return gtk_page_setup_new ();
 421 }
 422
 423 static gboolean
 424 page_setup_is_equal (GtkPageSetup *a,
 425                      GtkPageSetup *b)
 426 {
 427   return
 428     gtk_paper_size_is_equal (gtk_page_setup_get_paper_size (a),
 429                              gtk_page_setup_get_paper_size (b)) &&
 430     gtk_page_setup_get_top_margin (a, GTK_UNIT_MM) == gtk_page_setup_get_top_margin (b, GTK_UNIT_MM) &&
 431     gtk_page_setup_get_bottom_margin (a, GTK_UNIT_MM) == gtk_page_setup_get_bottom_margin (b, GTK_UNIT_MM) &&
 432     gtk_page_setup_get_left_margin (a, GTK_UNIT_MM) == gtk_page_setup_get_left_margin (b, GTK_UNIT_MM) &&
 433     gtk_page_setup_get_right_margin (a, GTK_UNIT_MM) == gtk_page_setup_get_right_margin (b, GTK_UNIT_MM);
 434 }
 435
 436 static gboolean
 437 page_setup_is_same_size (GtkPageSetup *a,
 438                          GtkPageSetup *b)
 439 {
 440   return gtk_paper_size_is_equal (gtk_page_setup_get_paper_size (a),
 441                                   gtk_page_setup_get_paper_size (b));
 442 }
 443
 444 static gboolean
 445 set_paper_size (GtkPageSetupUnixDialog *dialog,
 446                 GtkPageSetup           *page_setup,
 447                 gboolean                size_only,
 448                 gboolean                add_item)
 449 {
 450   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 451   GtkTreeModel *model;
 452   GtkTreeIter iter;
 453   GtkPageSetup *list_page_setup;
 454
 455   model = GTK_TREE_MODEL (priv->page_setup_list);
 456
 457   if (gtk_tree_model_get_iter_first (model, &iter))
 458     {
 459       do
 460         {
 461           gtk_tree_model_get (GTK_TREE_MODEL (priv->page_setup_list), &iter,
 462                               PAGE_SETUP_LIST_COL_PAGE_SETUP, &list_page_setup, -1);
 463           if (list_page_setup == NULL)
 464             continue;
 465
 466           if ((size_only && page_setup_is_same_size (page_setup, list_page_setup)) ||
 467               (!size_only && page_setup_is_equal (page_setup, list_page_setup)))
 468             {
 469               gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->paper_size_combo),
 470                                              &iter);
 471               g_object_unref (list_page_setup);
 472               return TRUE;
 473             }
 474
 475           g_object_unref (list_page_setup);
 476
 477         } while (gtk_tree_model_iter_next (model, &iter));
 478     }
 479
 480   if (add_item)
 481     {
 482       gtk_list_store_append (priv->page_setup_list, &iter);
 483       gtk_list_store_set (priv->page_setup_list, &iter,
 484                           PAGE_SETUP_LIST_COL_IS_SEPARATOR, TRUE,
 485                           -1);
 486       gtk_list_store_append (priv->page_setup_list, &iter);
 487       gtk_list_store_set (priv->page_setup_list, &iter,
 488                           PAGE_SETUP_LIST_COL_PAGE_SETUP, page_setup,
 489                           -1);
 490       gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->paper_size_combo),
 491                                      &iter);
 492       return TRUE;
 493     }
 494
 495   return FALSE;
 496 }
 497
 498 static void
 499 fill_custom_paper_sizes (GtkPageSetupUnixDialog *dialog)
 500 {
 501   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 502   GtkTreeIter iter, paper_iter;
 503   GtkTreeModel *model;
 504
 505   model = GTK_TREE_MODEL (priv->custom_paper_list);
 506   if (gtk_tree_model_get_iter_first (model, &iter))
 507     {
 508       gtk_list_store_append (priv->page_setup_list, &paper_iter);
 509       gtk_list_store_set (priv->page_setup_list, &paper_iter,
 510                           PAGE_SETUP_LIST_COL_IS_SEPARATOR, TRUE,
 511                           -1);
 512       do
 513         {
 514           GtkPageSetup *page_setup;
 515           gtk_tree_model_get (model, &iter, 0, &page_setup, -1);
 516
 517           gtk_list_store_append (priv->page_setup_list, &paper_iter);
 518           gtk_list_store_set (priv->page_setup_list, &paper_iter,
 519                               PAGE_SETUP_LIST_COL_PAGE_SETUP, page_setup,
 520                               -1);
 521
 522           g_object_unref (page_setup);
 523         } while (gtk_tree_model_iter_next (model, &iter));
 524     }
 525
 526   gtk_list_store_append (priv->page_setup_list, &paper_iter);
 527   gtk_list_store_set (priv->page_setup_list, &paper_iter,
 528                       PAGE_SETUP_LIST_COL_IS_SEPARATOR, TRUE,
 529                       -1);
 530   gtk_list_store_append (priv->page_setup_list, &paper_iter);
 531   gtk_list_store_set (priv->page_setup_list, &paper_iter,
 532                       PAGE_SETUP_LIST_COL_PAGE_SETUP, NULL,
 533                       -1);
 534 }
 535
 536 static void
 537 fill_paper_sizes_from_printer (GtkPageSetupUnixDialog *dialog,
 538                                GtkPrinter             *printer)
 539 {
 540   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 541   GList *list, *l;
 542   GtkPageSetup *current_page_setup, *page_setup;
 543   GtkPaperSize *paper_size;
 544   GtkTreeIter iter;
 545   gint i;
 546
 547   gtk_list_store_clear (priv->page_setup_list);
 548
 549   if (printer == NULL)
 550     {
 551       for (i = 0; i < G_N_ELEMENTS (common_paper_sizes); i++)
 552         {
 553           page_setup = gtk_page_setup_new ();
 554           paper_size = gtk_paper_size_new (common_paper_sizes[i]);
 555           gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 556           gtk_paper_size_free (paper_size);
 557
 558           gtk_list_store_append (priv->page_setup_list, &iter);
 559           gtk_list_store_set (priv->page_setup_list, &iter,
 560                               PAGE_SETUP_LIST_COL_PAGE_SETUP, page_setup,
 561                               -1);
 562           g_object_unref (page_setup);
 563         }
 564     }
 565   else
 566     {
 567       list = gtk_printer_list_papers (printer);
 568       /* TODO: We should really sort this list so interesting size
 569          are at the top */
 570       for (l = list; l != NULL; l = l->next)
 571         {
 572           page_setup = l->data;
 573           gtk_list_store_append (priv->page_setup_list, &iter);
 574           gtk_list_store_set (priv->page_setup_list, &iter,
 575                               PAGE_SETUP_LIST_COL_PAGE_SETUP, page_setup,
 576                               -1);
 577           g_object_unref (page_setup);
 578         }
 579       g_list_free (list);
 580     }
 581
 582   fill_custom_paper_sizes (dialog);
 583
 584   current_page_setup = NULL;
 585
 586   /* When selecting a different printer, select its default paper size */
 587   if (printer != NULL)
 588     current_page_setup = gtk_printer_get_default_page_size (printer);
 589
 590   if (current_page_setup == NULL)
 591     current_page_setup = get_current_page_setup (dialog);
 592
 593   if (!set_paper_size (dialog, current_page_setup, FALSE, FALSE))
 594     set_paper_size (dialog, current_page_setup, TRUE, TRUE);
 595
 596   if (current_page_setup)
 597     g_object_unref (current_page_setup);
 598 }
 599
 600 static void
 601 printer_changed_finished_callback (GtkPrinter             *printer,
 602                                    gboolean                success,
 603                                    GtkPageSetupUnixDialog *dialog)
 604 {
 605   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 606
 607   g_signal_handler_disconnect (priv->request_details_printer,
 608                                priv->request_details_tag);
 609   g_object_unref (priv->request_details_printer);
 610   priv->request_details_tag = 0;
 611   priv->request_details_printer = NULL;
 612
 613   if (success)
 614     fill_paper_sizes_from_printer (dialog, printer);
 615
 616 }
 617
 618 static void
 619 printer_changed_callback (GtkComboBox            *combo_box,
 620                           GtkPageSetupUnixDialog *dialog)
 621 {
 622   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 623   GtkPrinter *printer;
 624   GtkTreeIter iter;
 625
 626   /* If we're waiting for a specific printer but the user changed
 627    * to another printer, cancel that wait.
 628    */
 629   if (priv->waiting_for_printer)
 630     {
 631       g_free (priv->waiting_for_printer);
 632       priv->waiting_for_printer = NULL;
 633     }
 634
 635   if (priv->request_details_tag)
 636     {
 637       g_signal_handler_disconnect (priv->request_details_printer,
 638                                    priv->request_details_tag);
 639       g_object_unref (priv->request_details_printer);
 640       priv->request_details_printer = NULL;
 641       priv->request_details_tag = 0;
 642     }
 643
 644   if (gtk_combo_box_get_active_iter (combo_box, &iter))
 645     {
 646       gtk_tree_model_get (gtk_combo_box_get_model (combo_box), &iter,
 647                           PRINTER_LIST_COL_PRINTER, &printer, -1);
 648
 649       if (printer == NULL || gtk_printer_has_details (printer))
 650         fill_paper_sizes_from_printer (dialog, printer);
 651       else
 652         {
 653           priv->request_details_printer = g_object_ref (printer);
 654           priv->request_details_tag =
 655             g_signal_connect (printer, "details-acquired",
 656                               G_CALLBACK (printer_changed_finished_callback), dialog);
 657           gtk_printer_request_details (printer);
 658
 659         }
 660
 661       if (printer)
 662         g_object_unref (printer);
 663
 664       if (priv->print_settings)
 665         {
 666           const char *name = NULL;
 667
 668           if (printer)
 669             name = gtk_printer_get_name (printer);
 670
 671           gtk_print_settings_set (priv->print_settings,
 672                                   "format-for-printer", name);
 673         }
 674     }
 675 }
 676
 677 /* We do this munging because we don't want to show zero digits
 678    after the decimal point, and not to many such digits if they
 679    are nonzero. I wish printf let you specify max precision for %f... */
 680 static gchar *
 681 double_to_string (gdouble d,
 682                   GtkUnit unit)
 683 {
 684   gchar *val, *p;
 685   struct lconv *locale_data;
 686   const gchar *decimal_point;
 687   gint decimal_point_len;
 688
 689   locale_data = localeconv ();
 690   decimal_point = locale_data->decimal_point;
 691   decimal_point_len = strlen (decimal_point);
 692
 693   /* Max two decimal digits for inch, max one for mm */
 694   if (unit == GTK_UNIT_INCH)
 695     val = g_strdup_printf ("%.2f", d);
 696   else
 697     val = g_strdup_printf ("%.1f", d);
 698
 699   if (strstr (val, decimal_point))
 700     {
 701       p = val + strlen (val) - 1;
 702       while (*p == '0')
 703         p--;
 704       if (p - val + 1 >= decimal_point_len &&
 705           strncmp (p - (decimal_point_len - 1), decimal_point, decimal_point_len) == 0)
 706         p -= decimal_point_len;
 707       p[1] = '\0';
 708     }
 709
 710   return val;
 711 }
 712
 713
 714 static void
 715 custom_paper_dialog_response_cb (GtkDialog *custom_paper_dialog,
 716                                  gint       response_id,
 717                                  gpointer   user_data)
 718 {
 719   GtkPageSetupUnixDialog *page_setup_dialog = GTK_PAGE_SETUP_UNIX_DIALOG (user_data);
 720   GtkPageSetupUnixDialogPrivate *priv = page_setup_dialog->priv;
 721
 722   _gtk_print_load_custom_papers (priv->custom_paper_list);
 723
 724   /* Update printer page list */
 725   printer_changed_callback (GTK_COMBO_BOX (priv->printer_combo), page_setup_dialog);
 726
 727   gtk_widget_destroy (GTK_WIDGET (custom_paper_dialog));
 728 }
 729
 730 static void
 731 paper_size_changed (GtkComboBox            *combo_box,
 732                     GtkPageSetupUnixDialog *dialog)
 733 {
 734   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
 735   GtkTreeIter iter;
 736   GtkPageSetup *page_setup, *last_page_setup;
 737   GtkUnit unit;
 738   gchar *str, *w, *h;
 739   gchar *top, *bottom, *left, *right;
 740   GtkLabel *label;
 741   const gchar *unit_str;
 742
 743   label = GTK_LABEL (priv->paper_size_label);
 744
 745   if (gtk_combo_box_get_active_iter (combo_box, &iter))
 746     {
 747       gtk_tree_model_get (gtk_combo_box_get_model (combo_box),
 748                           &iter, PAGE_SETUP_LIST_COL_PAGE_SETUP, &page_setup, -1);
 749
 750       if (page_setup == NULL)
 751         {
 752           GtkWidget *custom_paper_dialog;
 753
 754           /* Change from "manage" menu item to last value */
 755           if (priv->last_setup)
 756             last_page_setup = g_object_ref (priv->last_setup);
 757           else
 758             last_page_setup = gtk_page_setup_new (); /* "good" default */
 759           set_paper_size (dialog, last_page_setup, FALSE, TRUE);
 760           g_object_unref (last_page_setup);
 761
 762           /* And show the custom paper dialog */
 763           custom_paper_dialog = _gtk_custom_paper_unix_dialog_new (GTK_WINDOW (dialog), NULL);
 764           g_signal_connect (custom_paper_dialog, "response", G_CALLBACK (custom_paper_dialog_response_cb), dialog);
 765           gtk_window_present (GTK_WINDOW (custom_paper_dialog));
 766
 767           return;
 768         }
 769
 770       if (priv->last_setup)
 771         g_object_unref (priv->last_setup);
 772
 773       priv->last_setup = g_object_ref (page_setup);
 774
 775       unit = _gtk_print_get_default_user_units ();
 776
 777       if (unit == GTK_UNIT_MM)
 778         unit_str = _("mm");
 779       else
 780         unit_str = _("inch");
 781
 782       w = double_to_string (gtk_page_setup_get_paper_width (page_setup, unit),
 783                             unit);
 784       h = double_to_string (gtk_page_setup_get_paper_height (page_setup, unit),
 785                             unit);
 786       str = g_strdup_printf ("%s x %s %s", w, h, unit_str);
 787       g_free (w);
 788       g_free (h);
 789
 790       gtk_label_set_text (label, str);
 791       g_free (str);
 792
 793       top = double_to_string (gtk_page_setup_get_top_margin (page_setup, unit), unit);
 794       bottom = double_to_string (gtk_page_setup_get_bottom_margin (page_setup, unit), unit);
 795       left = double_to_string (gtk_page_setup_get_left_margin (page_setup, unit), unit);
 796       right = double_to_string (gtk_page_setup_get_right_margin (page_setup, unit), unit);
 797
 798       str = g_strdup_printf (_("Margins:\n"
 799                                " Left: %s %s\n"
 800                                " Right: %s %s\n"
 801                                " Top: %s %s\n"
 802                                " Bottom: %s %s"
 803                                ),
 804                              left, unit_str,
 805                              right, unit_str,
 806                              top, unit_str,
 807                              bottom, unit_str);
 808       g_free (top);
 809       g_free (bottom);
 810       g_free (left);
 811       g_free (right);
 812
 813       gtk_widget_set_tooltip_text (priv->paper_size_label, str);
 814       g_free (str);
 815
 816       g_object_unref (page_setup);
 817     }
 818   else
 819     {
 820       gtk_label_set_text (label, "");
 821       gtk_widget_set_tooltip_text (priv->paper_size_label, NULL);
 822       if (priv->last_setup)
 823         g_object_unref (priv->last_setup);
 824       priv->last_setup = NULL;
 825     }
 826 }
 827
 828 static void
 829 page_name_func (GtkCellLayout   *cell_layout,
 830                 GtkCellRenderer *cell,
 831                 GtkTreeModel    *tree_model,
 832                 GtkTreeIter     *iter,
 833                 gpointer         data)
 834 {
 835   GtkPageSetup *page_setup;
 836   GtkPaperSize *paper_size;
 837
 838   gtk_tree_model_get (tree_model, iter,
 839                       PAGE_SETUP_LIST_COL_PAGE_SETUP, &page_setup, -1);
 840   if (page_setup)
 841     {
 842       paper_size = gtk_page_setup_get_paper_size (page_setup);
 843       g_object_set (cell, "text",  gtk_paper_size_get_display_name (paper_size), NULL);
 844       g_object_unref (page_setup);
 845     }
 846   else
 847     g_object_set (cell, "text",  _("Manage Custom Sizes..."), NULL);
 848
 849 }
 850
 851 static GtkWidget *
 852 create_radio_button (GSList      *group,
 853                      const gchar *stock_id)
 854 {
 855   GtkWidget *radio_button, *image, *label, *hbox;
 856   GtkStockItem item;
 857
 858   radio_button = gtk_radio_button_new (group);
 859   image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_LARGE_TOOLBAR);
 860   gtk_stock_lookup (stock_id, &item);
 861   label = gtk_label_new (item.label);
 862   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
 863   gtk_container_add (GTK_CONTAINER (radio_button), hbox);
 864   gtk_container_add (GTK_CONTAINER (hbox), image);
 865   gtk_container_add (GTK_CONTAINER (hbox), label);
 866
 867   gtk_widget_show_all (radio_button);
 868
 869   return radio_button;
 870 }
 871
 872 static void
 873 populate_dialog (GtkPageSetupUnixDialog *ps_dialog)
 874 {
 875   GtkPageSetupUnixDialogPrivate *priv = ps_dialog->priv;
 876   GtkDialog *dialog = GTK_DIALOG (ps_dialog);
 877   GtkWidget *table, *label, *combo, *radio_button;
 878   GtkWidget *action_area, *content_area;
 879   GtkCellRenderer *cell;
 880
 881   gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
 882
 883   content_area = gtk_dialog_get_content_area (dialog);
 884   action_area = gtk_dialog_get_action_area (dialog);
 885
 886   gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
 887   gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
 888   gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
 889   gtk_box_set_spacing (GTK_BOX (action_area), 6);
 890
 891   table = gtk_grid_new ();
 892   gtk_grid_set_row_spacing (GTK_GRID (table), 6);
 893   gtk_grid_set_column_spacing (GTK_GRID (table), 12);
 894   gtk_container_set_border_width (GTK_CONTAINER (table), 5);
 895   gtk_box_pack_start (GTK_BOX (content_area), table, TRUE, TRUE, 0);
 896   gtk_widget_show (table);
 897
 898   label = gtk_label_new_with_mnemonic (_("_Format for:"));
 899   gtk_widget_set_halign (label, GTK_ALIGN_START);
 900   gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
 901   gtk_grid_attach (GTK_GRID (table), label, 0, 0, 1, 1);
 902   gtk_widget_show (label);
 903
 904   combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (priv->printer_list));
 905   priv->printer_combo = combo;
 906
 907   cell = gtk_cell_renderer_text_new ();
 908   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
 909   gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), cell,
 910                                   "markup", PRINTER_LIST_COL_NAME,
 911                                   NULL);
 912
 913   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 914   gtk_widget_set_hexpand (combo, TRUE);
 915   gtk_grid_attach (GTK_GRID (table), combo, 1, 0, 3, 1);
 916   gtk_widget_show (combo);
 917   gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
 918
 919   label = gtk_label_new_with_mnemonic (_("_Paper size:"));
 920   gtk_widget_set_halign (label, GTK_ALIGN_START);
 921   gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
 922   gtk_grid_attach (GTK_GRID (table), label, 0, 1, 1, 1);
 923   gtk_widget_show (label);
 924
 925   combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (priv->page_setup_list));
 926   priv->paper_size_combo = combo;
 927   gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combo),
 928                                         paper_size_row_is_separator, NULL, NULL);
 929
 930   cell = gtk_cell_renderer_text_new ();
 931   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
 932   gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), cell,
 933                                       page_name_func, NULL, NULL);
 934
 935   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 936   gtk_widget_set_hexpand (combo, TRUE);
 937   gtk_grid_attach (GTK_GRID (table), combo, 1, 1, 3, 1);
 938   gtk_widget_show (combo);
 939   gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
 940
 941   label = gtk_label_new (NULL);
 942   priv->paper_size_label = label;
 943   gtk_widget_set_halign (label, GTK_ALIGN_START);
 944   gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
 945   gtk_grid_attach (GTK_GRID (table), label, 1, 2, 3, 1);
 946   gtk_widget_show (label);
 947
 948   label = gtk_label_new_with_mnemonic (_("_Orientation:"));
 949   gtk_widget_set_halign (label, GTK_ALIGN_START);
 950   gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
 951   gtk_grid_attach (GTK_GRID (table), label, 0, 3, 1, 1);
 952   gtk_widget_show (label);
 953
 954   radio_button = create_radio_button (NULL, GTK_STOCK_ORIENTATION_PORTRAIT);
 955   priv->portrait_radio = radio_button;
 956   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 957   gtk_widget_set_hexpand (combo, TRUE);
 958   gtk_grid_attach (GTK_GRID (table), radio_button, 1, 3, 1, 1);
 959   gtk_label_set_mnemonic_widget (GTK_LABEL (label), radio_button);
 960
 961   radio_button = create_radio_button (gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button)),
 962                                       GTK_STOCK_ORIENTATION_REVERSE_PORTRAIT);
 963   priv->reverse_portrait_radio = radio_button;
 964   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 965   gtk_widget_set_hexpand (combo, TRUE);
 966   gtk_grid_attach (GTK_GRID (table), radio_button, 2, 3, 1, 1);
 967
 968   radio_button = create_radio_button (gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button)),
 969                                       GTK_STOCK_ORIENTATION_LANDSCAPE);
 970   priv->landscape_radio = radio_button;
 971   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 972   gtk_widget_set_hexpand (combo, TRUE);
 973   gtk_grid_attach (GTK_GRID (table), radio_button, 1, 4, 1, 1);
 974   gtk_widget_show (radio_button);
 975
 976   radio_button = create_radio_button (gtk_radio_button_get_group (GTK_RADIO_BUTTON (radio_button)),
 977                                       GTK_STOCK_ORIENTATION_REVERSE_LANDSCAPE);
 978   priv->reverse_landscape_radio = radio_button;
 979   gtk_widget_set_halign (combo, GTK_ALIGN_FILL);
 980   gtk_widget_set_hexpand (combo, TRUE);
 981   gtk_grid_attach (GTK_GRID (table), radio_button, 2, 4, 1, 1);
 982
 983   g_signal_connect (priv->paper_size_combo, "changed", G_CALLBACK (paper_size_changed), ps_dialog);
 984   g_signal_connect (priv->printer_combo, "changed", G_CALLBACK (printer_changed_callback), ps_dialog);
 985   gtk_combo_box_set_active (GTK_COMBO_BOX (priv->printer_combo), 0);
 986
 987   load_print_backends (ps_dialog);
 988 }
 989
 990 /**
 991  * gtk_page_setup_unix_dialog_new:
 992  * @title: (allow-none): the title of the dialog, or %NULL
 993  * @parent: (allow-none): transient parent of the dialog, or %NULL
 994  *
 995  * Creates a new page setup dialog.
 996  *
 997  * Returns: the new #GtkPageSetupUnixDialog
 998  *
 999  * Since: 2.10
1000  */
1001 GtkWidget *
1002 gtk_page_setup_unix_dialog_new (const gchar *title,
1003                                 GtkWindow   *parent)
1004 {
1005   GtkWidget *result;
1006
1007   if (title == NULL)
1008     title = _("Page Setup");
1009
1010   result = g_object_new (GTK_TYPE_PAGE_SETUP_UNIX_DIALOG,
1011                          "title", title,
1012                          NULL);
1013
1014   if (parent)
1015     gtk_window_set_transient_for (GTK_WINDOW (result), parent);
1016
1017   return result;
1018 }
1019
1020 static GtkPageOrientation
1021 get_orientation (GtkPageSetupUnixDialog *dialog)
1022 {
1023   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
1024
1025   if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->portrait_radio)))
1026     return GTK_PAGE_ORIENTATION_PORTRAIT;
1027   if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->landscape_radio)))
1028     return GTK_PAGE_ORIENTATION_LANDSCAPE;
1029   if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->reverse_landscape_radio)))
1030     return GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE;
1031   return GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT;
1032 }
1033
1034 static void
1035 set_orientation (GtkPageSetupUnixDialog *dialog,
1036                  GtkPageOrientation      orientation)
1037 {
1038   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
1039
1040   switch (orientation)
1041     {
1042     case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT:
1043       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->reverse_portrait_radio), TRUE);
1044       break;
1045     case GTK_PAGE_ORIENTATION_PORTRAIT:
1046       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->portrait_radio), TRUE);
1047       break;
1048     case GTK_PAGE_ORIENTATION_LANDSCAPE:
1049       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->landscape_radio), TRUE);
1050       break;
1051     case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE:
1052       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->reverse_landscape_radio), TRUE);
1053       break;
1054     }
1055 }
1056
1057 /**
1058  * gtk_page_setup_unix_dialog_set_page_setup:
1059  * @dialog: a #GtkPageSetupUnixDialog
1060  * @page_setup: a #GtkPageSetup
1061  *
1062  * Sets the #GtkPageSetup from which the page setup
1063  * dialog takes its values.
1064  *
1065  * Since: 2.10
1066  **/
1067 void
1068 gtk_page_setup_unix_dialog_set_page_setup (GtkPageSetupUnixDialog *dialog,
1069                                            GtkPageSetup           *page_setup)
1070 {
1071   if (page_setup)
1072     {
1073       set_paper_size (dialog, page_setup, FALSE, TRUE);
1074       set_orientation (dialog, gtk_page_setup_get_orientation (page_setup));
1075     }
1076 }
1077
1078 /**
1079  * gtk_page_setup_unix_dialog_get_page_setup:
1080  * @dialog: a #GtkPageSetupUnixDialog
1081  *
1082  * Gets the currently selected page setup from the dialog.
1083  *
1084  * Returns: (transfer none): the current page setup
1085  *
1086  * Since: 2.10
1087  **/
1088 GtkPageSetup *
1089 gtk_page_setup_unix_dialog_get_page_setup (GtkPageSetupUnixDialog *dialog)
1090 {
1091   GtkPageSetup *page_setup;
1092
1093   page_setup = get_current_page_setup (dialog);
1094
1095   gtk_page_setup_set_orientation (page_setup, get_orientation (dialog));
1096
1097   return page_setup;
1098 }
1099
1100 static gboolean
1101 set_active_printer (GtkPageSetupUnixDialog *dialog,
1102                     const gchar            *printer_name)
1103 {
1104   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
1105   GtkTreeModel *model;
1106   GtkTreeIter iter;
1107   GtkPrinter *printer;
1108
1109   model = GTK_TREE_MODEL (priv->printer_list);
1110
1111   if (gtk_tree_model_get_iter_first (model, &iter))
1112     {
1113       do
1114         {
1115           gtk_tree_model_get (GTK_TREE_MODEL (priv->printer_list), &iter,
1116                               PRINTER_LIST_COL_PRINTER, &printer, -1);
1117           if (printer == NULL)
1118             continue;
1119
1120           if (strcmp (gtk_printer_get_name (printer), printer_name) == 0)
1121             {
1122               gtk_combo_box_set_active_iter (GTK_COMBO_BOX (priv->printer_combo),
1123                                              &iter);
1124               g_object_unref (printer);
1125               return TRUE;
1126             }
1127
1128           g_object_unref (printer);
1129
1130         } while (gtk_tree_model_iter_next (model, &iter));
1131     }
1132
1133   return FALSE;
1134 }
1135
1136 /**
1137  * gtk_page_setup_unix_dialog_set_print_settings:
1138  * @dialog: a #GtkPageSetupUnixDialog
1139  * @print_settings: a #GtkPrintSettings
1140  *
1141  * Sets the #GtkPrintSettings from which the page setup dialog
1142  * takes its values.
1143  *
1144  * Since: 2.10
1145  **/
1146 void
1147 gtk_page_setup_unix_dialog_set_print_settings (GtkPageSetupUnixDialog *dialog,
1148                                                GtkPrintSettings       *print_settings)
1149 {
1150   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
1151   const gchar *format_for_printer;
1152
1153   if (priv->print_settings == print_settings) return;
1154
1155   if (priv->print_settings)
1156     g_object_unref (priv->print_settings);
1157
1158   priv->print_settings = print_settings;
1159
1160   if (print_settings)
1161     {
1162       g_object_ref (print_settings);
1163
1164       format_for_printer = gtk_print_settings_get (print_settings, "format-for-printer");
1165
1166       /* Set printer if in list, otherwise set when
1167        * that printer is added
1168        */
1169       if (format_for_printer &&
1170           !set_active_printer (dialog, format_for_printer))
1171         priv->waiting_for_printer = g_strdup (format_for_printer);
1172     }
1173 }
1174
1175 /**
1176  * gtk_page_setup_unix_dialog_get_print_settings:
1177  * @dialog: a #GtkPageSetupUnixDialog
1178  *
1179  * Gets the current print settings from the dialog.
1180  *
1181  * Returns: (transfer none): the current print settings
1182  *
1183  * Since: 2.10
1184  **/
1185 GtkPrintSettings *
1186 gtk_page_setup_unix_dialog_get_print_settings (GtkPageSetupUnixDialog *dialog)
1187 {
1188   GtkPageSetupUnixDialogPrivate *priv = dialog->priv;
1189
1190   return priv->print_settings;
1191 }