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