src/application.c

   1 /*
   2  * application.c: Manage the data common to all workbooks
   3  *
   4  * Author:
   5  *     Jody Goldberg <jody@gnome.org>
   6  */
   7 #include <gnumeric-config.h>
   8 #include <string.h>
   9 #include <gnumeric.h>
  10 #include <application.h>
  11
  12 #include <clipboard.h>
  13 #include <selection.h>
  14 #include <workbook-control.h>
  15 #include <workbook-view.h>
  16 #include <workbook.h>
  17 #include <sheet.h>
  18 #include <sheet-view.h>
  19 #include <sheet-private.h>
  20 #include <sheet-object.h>
  21 #include <gutils.h>
  22 #include <ranges.h>
  23 #include <sheet-object.h>
  24 #include <commands.h>
  25 #include <gui-clipboard.h>
  26 #include <expr-name.h>
  27 #include <workbook-priv.h>
  28
  29 #include <gnumeric-conf.h>
  30 #include <goffice/goffice.h>
  31 #include <gsf/gsf-impl-utils.h>
  32 #include <gnm-i18n.h>
  33
  34 #define GNM_APP(o)              (G_TYPE_CHECK_INSTANCE_CAST((o), GNM_APP_TYPE, GnmApp))
  35 #define GNM_IS_APP(o)           (G_TYPE_CHECK_INSTANCE_TYPE((o), GNM_APP_TYPE))
  36
  37 enum {
  38         PROP_0,
  39         PROP_HISTORY_LIST,
  40         PROP_SHUTTING_DOWN,
  41         PROP_INITIAL_OPEN_COMPLETE
  42 };
  43 /* Signals */
  44 enum {
  45         WORKBOOK_ADDED,
  46         WORKBOOK_REMOVED,
  47         WINDOW_LIST_CHANGED,
  48         CUSTOM_UI_ADDED,
  49         CUSTOM_UI_REMOVED,
  50         CLIPBOARD_MODIFIED,
  51         RECALC_FINISHED,
  52         RECALC_CLEAR_CACHES,
  53         LAST_SIGNAL
  54 };
  55
  56 static guint signals[LAST_SIGNAL] = { 0 };
  57
  58 struct _GnmApp {
  59         GObject  base;
  60
  61         /* Clipboard */
  62         SheetView       *clipboard_sheet_view;
  63         GnmCellRegion   *clipboard_copied_contents;
  64         GnmRange        *clipboard_cut_range;
  65
  66         GList           *workbook_list;
  67
  68         /* Recalculation manager.  */
  69         int             recalc_count;
  70
  71         GtkRecentManager *recent;
  72         gulong           recent_sig;
  73
  74         gboolean         shutting_down;
  75         gboolean         initial_open_complete;
  76 };
  77
  78 typedef struct {
  79         GObjectClass     parent;
  80
  81         void (*workbook_added)      (GnmApp *gnm_app, Workbook *wb);
  82         void (*workbook_removed)    (GnmApp *gnm_app, Workbook *wb);
  83         void (*window_list_changed) (GnmApp *gnm_app);
  84         void (*custom_ui_added)     (GnmApp *gnm_app, GnmAppExtraUI *ui);
  85         void (*custom_ui_removed)   (GnmApp *gnm_app, GnmAppExtraUI *ui);
  86         void (*clipboard_modified)  (GnmApp *gnm_app);
  87         void (*recalc_finished)     (GnmApp *gnm_app);
  88         void (*recalc_clear_caches) (GnmApp *gnm_app);
  89 } GnmAppClass;
  90
  91 static GObjectClass *parent_klass;
  92 static GnmApp *app;
  93
  94 static Workbook *gnm_app_workbook_get_by_uri (char const *uri);
  95
  96 /**
  97  * gnm_app_get_app:
  98  *
  99  * Returns: (transfer none): the #GnmApp instance.
 100  **/
 101 GObject *
 102 gnm_app_get_app (void)
 103 {
 104         return G_OBJECT (app);
 105 }
 106
 107 /**
 108  * gnm_app_workbook_list_add:
 109  * @wb: A #Workbook
 110  *
 111  * Add @wb to the application's list of workbooks.
 112  **/
 113 void
 114 gnm_app_workbook_list_add (Workbook *wb)
 115 {
 116         g_return_if_fail (GNM_IS_WORKBOOK (wb));
 117         g_return_if_fail (app != NULL);
 118
 119         app->workbook_list = g_list_prepend (app->workbook_list, wb);
 120         g_signal_connect (G_OBJECT (wb),
 121                 "notify::uri",
 122                 G_CALLBACK (_gnm_app_flag_windows_changed), NULL);
 123         _gnm_app_flag_windows_changed ();
 124         g_signal_emit (G_OBJECT (app), signals[WORKBOOK_ADDED], 0, wb);
 125 }
 126
 127 /**
 128  * gnm_app_workbook_list_remove:
 129  * @wb: A #Workbook
 130  *
 131  * Remove @wb from the application's list of workbooks.
 132  **/
 133 void
 134 gnm_app_workbook_list_remove (Workbook *wb)
 135 {
 136         g_return_if_fail (wb != NULL);
 137         g_return_if_fail (app != NULL);
 138
 139         app->workbook_list = g_list_remove (app->workbook_list, wb);
 140         g_signal_handlers_disconnect_by_func (G_OBJECT (wb),
 141                 G_CALLBACK (_gnm_app_flag_windows_changed), NULL);
 142         _gnm_app_flag_windows_changed ();
 143         g_signal_emit (G_OBJECT (app), signals[WORKBOOK_REMOVED], 0, wb);
 144 }
 145
 146 /**
 147  * gnm_app_workbook_list:
 148  *
 149  * Returns: (element-type Workbook) (transfer none): the workbook list.
 150  **/
 151 GList *
 152 gnm_app_workbook_list (void)
 153 {
 154         g_return_val_if_fail (app != NULL, NULL);
 155
 156         return app->workbook_list;
 157 }
 158
 159 void
 160 gnm_app_sanity_check (void)
 161 {
 162         GList *l;
 163         gboolean err = FALSE;
 164         for (l = gnm_app_workbook_list (); l; l = l->next) {
 165                 Workbook *wb = l->data;
 166                 if (gnm_named_expr_collection_sanity_check (wb->names, "workbook"))
 167                         err = TRUE;
 168         }
 169         if (err)
 170                 g_error ("Sanity check failed\n");
 171 }
 172
 173
 174
 175 /**
 176  * gnm_app_clipboard_clear:
 177  *
 178  * Clear and free the contents of the clipboard if it is
 179  * not empty.
 180  */
 181 void
 182 gnm_app_clipboard_clear (gboolean drop_selection)
 183 {
 184         g_return_if_fail (app != NULL);
 185
 186         if (app->clipboard_copied_contents) {
 187                 cellregion_unref (app->clipboard_copied_contents);
 188                 app->clipboard_copied_contents = NULL;
 189         }
 190         if (app->clipboard_sheet_view != NULL) {
 191                 gnm_sheet_view_unant (app->clipboard_sheet_view);
 192
 193                 g_signal_emit (G_OBJECT (app), signals[CLIPBOARD_MODIFIED], 0);
 194
 195                 gnm_sheet_view_weak_unref (&(app->clipboard_sheet_view));
 196
 197                 /* Release the selection */
 198                 if (drop_selection)
 199                         gnm_x_disown_clipboard ();
 200         }
 201 }
 202
 203 void
 204 gnm_app_clipboard_invalidate_sheet (Sheet *sheet)
 205 {
 206         /* Clear the cliboard to avoid dangling references to the deleted sheet */
 207         if (sheet == gnm_app_clipboard_sheet_get ())
 208                 gnm_app_clipboard_clear (TRUE);
 209         else if (app->clipboard_copied_contents)
 210                 cellregion_invalidate_sheet (app->clipboard_copied_contents, sheet);
 211 }
 212
 213 void
 214 gnm_app_clipboard_unant (void)
 215 {
 216         g_return_if_fail (app != NULL);
 217
 218         if (app->clipboard_sheet_view != NULL)
 219                 gnm_sheet_view_unant (app->clipboard_sheet_view);
 220 }
 221
 222 /**
 223  * gnm_app_clipboard_cut_copy:
 224  * @wbc: the workbook control that requested the operation.
 225  * @is_cut: is this a cut or a copy.
 226  * @sv: The source sheet for the copy.
 227  * @area: A single rectangular range to be copied.
 228  * @animate_range: Do we want ot add an animated cursor around things.
 229  *
 230  * When Cutting we
 231  *   Clear and free the contents of the clipboard and save the sheet and area
 232  *   to be cut.  DO NOT ACTUALLY CUT!  Paste will move the region if this was a
 233  *   cut operation.
 234  *
 235  * When Copying we
 236  *   Clear and free the contents of the clipboard and COPY the designated region
 237  *   into the clipboard.
 238  *
 239  * we need to pass @wbc as a control rather than a simple command-context so
 240  * that the control can claim the selection.
 241  **/
 242 void
 243 gnm_app_clipboard_cut_copy (WorkbookControl *wbc, gboolean is_cut,
 244                             SheetView *sv, GnmRange const *area,
 245                             gboolean animate_cursor)
 246 {
 247         Sheet *sheet;
 248
 249         g_return_if_fail (GNM_IS_SHEET_VIEW (sv));
 250         g_return_if_fail (area != NULL);
 251         g_return_if_fail (app != NULL);
 252
 253         gnm_app_clipboard_clear (FALSE);
 254         sheet = sv_sheet (sv);
 255         g_free (app->clipboard_cut_range);
 256         app->clipboard_cut_range = gnm_range_dup (area);
 257         gnm_sheet_view_weak_ref (sv, &(app->clipboard_sheet_view));
 258
 259         if (!is_cut)
 260                 app->clipboard_copied_contents =
 261                         clipboard_copy_range (sheet, area);
 262         if (animate_cursor) {
 263                 GList *l = g_list_append (NULL, (gpointer)area);
 264                 gnm_sheet_view_ant (sv, l);
 265                 g_list_free (l);
 266         }
 267
 268         if (wb_control_claim_selection (wbc)) {
 269                 g_signal_emit (G_OBJECT (app), signals[CLIPBOARD_MODIFIED], 0);
 270         } else {
 271                 gnm_app_clipboard_clear (FALSE);
 272                 g_warning ("Unable to set selection?");
 273         }
 274 }
 275
 276 /**
 277  * gnm_app_clipboard_cut_copy_obj:
 278  * @wbc: #WorkbookControl
 279  * @is_cut: %TRUE for cut, %FALSE for copy
 280  * @sv: #SheetView
 281  * @objects: (element-type SheetObject) (transfer container): a list
 282  * of #SheetObject
 283  *
 284  * Different than copying/cutting a region, this can actually cut an object
 285  **/
 286 void
 287 gnm_app_clipboard_cut_copy_obj (WorkbookControl *wbc, gboolean is_cut,
 288                                 SheetView *sv, GSList *objects)
 289 {
 290         g_return_if_fail (GNM_IS_SHEET_VIEW (sv));
 291         g_return_if_fail (objects != NULL);
 292         g_return_if_fail (app != NULL);
 293
 294         gnm_app_clipboard_clear (FALSE);
 295         g_free (app->clipboard_cut_range);
 296         app->clipboard_cut_range = NULL;
 297         gnm_sheet_view_weak_ref (sv, &(app->clipboard_sheet_view));
 298         app->clipboard_copied_contents
 299                 = clipboard_copy_obj (sv_sheet (sv), objects);
 300         if (is_cut) {
 301                 cmd_objects_delete (wbc, objects, _("Cut Object"));
 302                 objects = NULL;
 303         }
 304         if (wb_control_claim_selection (wbc)) {
 305                 g_signal_emit (G_OBJECT (app), signals[CLIPBOARD_MODIFIED], 0);
 306         } else {
 307                 gnm_app_clipboard_clear (FALSE);
 308                 g_warning ("Unable to set selection?");
 309         }
 310         g_slist_free (objects);
 311 }
 312
 313 gboolean
 314 gnm_app_clipboard_is_empty (void)
 315 {
 316         g_return_val_if_fail (app != NULL, TRUE);
 317
 318         return app->clipboard_sheet_view == NULL;
 319 }
 320
 321 gboolean
 322 gnm_app_clipboard_is_cut (void)
 323 {
 324         g_return_val_if_fail (app != NULL, FALSE);
 325
 326         if (app->clipboard_sheet_view != NULL)
 327                 return app->clipboard_copied_contents ? FALSE : TRUE;
 328         return FALSE;
 329 }
 330
 331 /**
 332  * gnm_app_clipboard_sheet_get:
 333  *
 334  * Returns: (transfer none) (nullable): the current clipboard #Sheet.
 335  **/
 336 Sheet *
 337 gnm_app_clipboard_sheet_get (void)
 338 {
 339         g_return_val_if_fail (app != NULL, NULL);
 340
 341         if (app->clipboard_sheet_view == NULL)
 342                 return NULL;
 343         return sv_sheet (app->clipboard_sheet_view);
 344 }
 345
 346 /**
 347  * gnm_app_clipboard_sheet_view_get:
 348  *
 349  * Returns: (transfer none) (nullable): the current clipboard #SheetView.
 350  **/
 351 SheetView *
 352 gnm_app_clipboard_sheet_view_get (void)
 353 {
 354         g_return_val_if_fail (app != NULL, NULL);
 355         return app->clipboard_sheet_view;
 356 }
 357
 358 /**
 359  * gnm_app_clipboard_contents_get:
 360  *
 361  * Returns: (nullable) (transfer none): the current contents of the clipboard.
 362  */
 363 GnmCellRegion *
 364 gnm_app_clipboard_contents_get (void)
 365 {
 366         g_return_val_if_fail (app != NULL, NULL);
 367         return app->clipboard_copied_contents;
 368 }
 369
 370 /**
 371  * gnm_app_clipboard_area_get:
 372  *
 373  * Returns: (nullable) (transfer none): the current range in the clipboard.
 374  */
 375 GnmRange const *
 376 gnm_app_clipboard_area_get (void)
 377 {
 378         g_return_val_if_fail (app != NULL, NULL);
 379         /*
 380          * Only return the range if the sheet has been set.
 381          * The range will still contain data even after
 382          * the clipboard has been cleared so we need to be extra
 383          * safe and only return a range if there is a valid selection
 384          */
 385         if (app->clipboard_sheet_view != NULL)
 386                 return app->clipboard_cut_range;
 387         return NULL;
 388 }
 389
 390 /**
 391  * gnm_app_workbook_get_by_name:
 392  * @name: the workbook name.
 393  * @ref_uri:
 394  *
 395  * Returns: (transfer none): the #Workbook or %NULL.
 396  **/
 397 Workbook *
 398 gnm_app_workbook_get_by_name (char const *name,
 399                               char const *ref_uri)
 400 {
 401         Workbook *wb;
 402         char *filename = NULL;
 403
 404         if (name == NULL || *name == 0)
 405                 return NULL;
 406
 407         /* Try as URI.  */
 408         wb = gnm_app_workbook_get_by_uri (name);
 409         if (wb)
 410                 goto out;
 411
 412         filename = g_filename_from_utf8 (name, -1, NULL, NULL, NULL);
 413
 414         /* Try as absolute filename.  */
 415         if (filename && g_path_is_absolute (filename)) {
 416                 char *uri = go_filename_to_uri (filename);
 417                 if (uri) {
 418                         wb = gnm_app_workbook_get_by_uri (uri);
 419                         g_free (uri);
 420                 }
 421                 if (wb)
 422                         goto out;
 423         }
 424
 425         if (filename && ref_uri) {
 426                 char *rel_uri = go_url_encode (filename, 1);
 427                 char *uri = go_url_resolve_relative (ref_uri, rel_uri);
 428                 g_free (rel_uri);
 429                 if (uri) {
 430                         wb = gnm_app_workbook_get_by_uri (uri);
 431                         g_free (uri);
 432                 }
 433                 if (wb)
 434                         goto out;
 435         }
 436
 437  out:
 438         g_free (filename);
 439         return wb;
 440 }
 441
 442 struct wb_uri_closure {
 443         Workbook *wb;
 444         char const *uri;
 445 };
 446
 447 static gboolean
 448 cb_workbook_uri (Workbook * wb, gpointer closure)
 449 {
 450         struct wb_uri_closure *dat = closure;
 451         char const *wb_uri = go_doc_get_uri (GO_DOC (wb));
 452
 453         if (wb_uri && strcmp (wb_uri, dat->uri) == 0) {
 454                 dat->wb = wb;
 455                 return FALSE;
 456         }
 457         return TRUE;
 458 }
 459
 460 static gboolean
 461 gnm_app_workbook_foreach (GnmWbIterFunc cback, gpointer data);
 462
 463 static Workbook *
 464 gnm_app_workbook_get_by_uri (char const *uri)
 465 {
 466         struct wb_uri_closure closure;
 467
 468         g_return_val_if_fail (uri != NULL, NULL);
 469
 470         closure.wb = NULL;
 471         closure.uri = uri;
 472         gnm_app_workbook_foreach (&cb_workbook_uri, &closure);
 473
 474         return closure.wb;
 475 }
 476
 477 static gboolean
 478 gnm_app_workbook_foreach (GnmWbIterFunc cback, gpointer data)
 479 {
 480         GList *l;
 481
 482         g_return_val_if_fail (app != NULL, FALSE);
 483
 484         for (l = app->workbook_list; l; l = l->next){
 485                 Workbook *wb = l->data;
 486
 487                 if (!(*cback)(wb, data))
 488                         return FALSE;
 489         }
 490         return TRUE;
 491 }
 492
 493 /**
 494  * gnm_app_workbook_get_by_index:
 495  * @i: index
 496  *
 497  * Get nth workbook.  Index is zero-based.
 498  * Return value: (nullable) (transfer none): the nth workbook, if any.
 499  */
 500 Workbook *
 501 gnm_app_workbook_get_by_index (int i)
 502 {
 503         return g_list_nth_data (app->workbook_list, i);
 504 }
 505
 506 double
 507 gnm_app_display_dpi_get (gboolean horizontal)
 508 {
 509         return horizontal
 510                 ? gnm_conf_get_core_gui_screen_horizontaldpi ()
 511                 : gnm_conf_get_core_gui_screen_verticaldpi ();
 512 }
 513
 514 double
 515 gnm_app_dpi_to_pixels (void)
 516 {
 517         return MIN (gnm_app_display_dpi_get (TRUE),
 518                     gnm_app_display_dpi_get (FALSE)) / 72.;
 519 }
 520
 521 /* GtkFileFilter */
 522 /**
 523  * gnm_app_create_opener_filter:
 524  * @openers: (element-type GOFileOpener): a list of file openers.
 525  *
 526  * Creates a #GtkFileFilter from the list of file types supported by the
 527  * openers in the list.
 528  * Returns: (transfer full): the newly allocated #GtkFileFilter.
 529  **/
 530 void *
 531 gnm_app_create_opener_filter (GList *openers)
 532 {
 533         /* See below.  */
 534         static const char *const bad_suffixes[] = {
 535                 "txt",
 536                 "html", "htm",
 537                 "xml",
 538                 NULL
 539         };
 540
 541         GtkFileFilter *filter = gtk_file_filter_new ();
 542         gboolean for_history = (openers == NULL);
 543
 544         if (openers == NULL)
 545                 openers = go_get_file_openers ();
 546
 547         for (; openers; openers = openers->next) {
 548                 GOFileOpener *opener = openers->data;
 549                 if (opener != NULL) {
 550                         const GSList *mimes = go_file_opener_get_mimes (opener);
 551                         const GSList *suffixes = go_file_opener_get_suffixes (opener);
 552
 553                         if (!for_history)
 554                                 while (mimes) {
 555                                         const char *mime = mimes->data;
 556                                         /*
 557                                          * See 438918.  Too many things
 558                                          * like *.xml and *.txt get added
 559                                          * to be useful for the file history
 560                                          */
 561                                         gtk_file_filter_add_mime_type (filter, mime);
 562                                         if (0)
 563                                                 g_print ("%s: Adding mime %s\n", go_file_opener_get_description (opener), mime);
 564                                         mimes = mimes->next;
 565                                 }
 566
 567                         while (suffixes) {
 568                                 const char *suffix = suffixes->data;
 569                                 GString *pattern;
 570                                 int i;
 571
 572                                 if (for_history)
 573                                         for (i = 0; bad_suffixes[i]; i++)
 574                                                 if (strcmp (suffix, bad_suffixes[i]) == 0)
 575                                                         goto bad_suffix;
 576
 577                                 /* Create "*.[xX][lL][sS]" */
 578                                 pattern = g_string_new ("*.");
 579                                 while (*suffix) {
 580                                         gunichar uc = g_utf8_get_char (suffix);
 581                                         suffix = g_utf8_next_char (suffix);
 582                                         if (g_unichar_islower (uc)) {
 583                                                 g_string_append_c (pattern, '[');
 584                                                 g_string_append_unichar (pattern, uc);
 585                                                 uc = g_unichar_toupper (uc);
 586                                                 g_string_append_unichar (pattern, uc);
 587                                                 g_string_append_c (pattern, ']');
 588                                         } else
 589                                                 g_string_append_unichar (pattern, uc);
 590                                 }
 591
 592                                 gtk_file_filter_add_pattern (filter, pattern->str);
 593                                 if (0)
 594                                         g_print ("%s: Adding %s\n", go_file_opener_get_description (opener), pattern->str);
 595                                 g_string_free (pattern, TRUE);
 596
 597                         bad_suffix:
 598                                 suffixes = suffixes->next;
 599                         }
 600                 }
 601         }
 602         return filter;
 603 }
 604
 605 static gint
 606 compare_mru (GtkRecentInfo *a, GtkRecentInfo *b)
 607 {
 608         time_t ta = MAX (gtk_recent_info_get_visited (a), gtk_recent_info_get_modified (a));
 609         time_t tb = MAX (gtk_recent_info_get_visited (b), gtk_recent_info_get_modified (b));
 610
 611         return ta < tb;
 612 }
 613
 614 /**
 615  * gnm_app_history_get_list:
 616  *
 617  * creating it if necessary.
 618  *
 619  * Return value: (element-type utf8) (transfer full): the list, which must be
 620  * freed along with the strings in it.
 621  **/
 622 GSList *
 623 gnm_app_history_get_list (int max_elements)
 624 {
 625         GSList *res = NULL;
 626         GList *items, *l;
 627         GtkFileFilter *filter;
 628         int n_elements = 0;
 629
 630         if (app->recent == NULL)
 631                 return NULL;
 632
 633         items = gtk_recent_manager_get_items (app->recent);
 634         items = g_list_sort (items, (GCompareFunc)compare_mru);
 635
 636         filter = gnm_app_create_opener_filter (NULL);
 637
 638         for (l = items; l && n_elements < max_elements; l = l->next) {
 639                 GtkRecentInfo *ri = l->data;
 640                 const char *uri = gtk_recent_info_get_uri (ri);
 641                 gboolean want_it;
 642
 643                 if (gtk_recent_info_has_application (ri, g_get_application_name ())) {
 644                         want_it = TRUE;
 645                 } else {
 646                         GtkFileFilterInfo fi;
 647                         char *display_name = g_filename_display_basename (uri);
 648
 649                         memset (&fi, 0, sizeof (fi));
 650                         fi.contains = (GTK_FILE_FILTER_MIME_TYPE |
 651                                        GTK_FILE_FILTER_URI |
 652                                        GTK_FILE_FILTER_DISPLAY_NAME);
 653                         fi.uri = uri;
 654                         fi.mime_type = gtk_recent_info_get_mime_type (ri);
 655                         fi.display_name = display_name;
 656                         want_it = gtk_file_filter_filter (filter, &fi);
 657                         g_free (display_name);
 658                 }
 659
 660                 if (want_it) {
 661                         char *filename = go_filename_from_uri (uri);
 662                         if (filename && !g_file_test (filename, G_FILE_TEST_EXISTS))
 663                                 want_it = FALSE;
 664                         g_free (filename);
 665                 }
 666
 667                 if (want_it) {
 668                         res = g_slist_prepend (res, g_strdup (uri));
 669                         n_elements++;
 670                 }
 671         }
 672
 673         g_list_free_full (items, (GDestroyNotify)gtk_recent_info_unref);
 674         g_object_ref_sink (filter);
 675         g_object_unref (filter);
 676
 677         return g_slist_reverse (res);
 678 }
 679
 680 /**
 681  * application_history_update_list:
 682  * @uri:
 683  * @mimetype: (nullable): the mime type for @uri
 684  *
 685  * Adds @uri to the application's history of files.
 686  **/
 687 void
 688 gnm_app_history_add (char const *uri, const char *mimetype)
 689 {
 690         GtkRecentData rd;
 691
 692         if (app->recent == NULL)
 693                 return;
 694
 695         memset (&rd, 0, sizeof (rd));
 696
 697 #if 0
 698         g_print ("uri: %s\nmime: %s\n\n", uri, mimetype ? mimetype : "-");
 699 #endif
 700
 701         rd.mime_type =
 702                 g_strdup (mimetype ? mimetype : "application/octet-stream");
 703
 704         rd.app_name = g_strdup (g_get_application_name ());
 705         rd.app_exec = g_strjoin (" ", g_get_prgname (), "%u", NULL);
 706         rd.groups = NULL;
 707         rd.is_private = FALSE;
 708
 709         if (!gtk_recent_manager_add_full (app->recent, uri, &rd)) {
 710                 /* Now what?  */
 711                 g_printerr ("Warning: failed to update recent document.\n");
 712         }
 713
 714         g_free (rd.mime_type);
 715         g_free (rd.app_name);
 716         g_free (rd.app_exec);
 717
 718         g_object_notify (G_OBJECT (app), "file-history-list");
 719 }
 720
 721 static void
 722 cb_recent_changed (G_GNUC_UNUSED GtkRecentManager *recent, GnmApp *app)
 723 {
 724         g_object_notify (G_OBJECT (app), "file-history-list");
 725 }
 726
 727 static void
 728 gnm_app_finalize (GObject *obj)
 729 {
 730         GnmApp *application = GNM_APP (obj);
 731
 732         g_free (application->clipboard_cut_range);
 733         application->clipboard_cut_range = NULL;
 734
 735         application->recent = NULL;
 736
 737         if (app == application)
 738                 app = NULL;
 739
 740         G_OBJECT_CLASS (parent_klass)->finalize (obj);
 741 }
 742
 743 static void
 744 gnm_app_get_property (GObject *obj, guint param_id,
 745                                    GValue *value, GParamSpec *pspec)
 746 {
 747 #if 0
 748         GnmApp *application = GNM_APP (obj);
 749 #endif
 750
 751         switch (param_id) {
 752         case PROP_HISTORY_LIST:
 753                 g_value_set_pointer (value, gnm_app_history_get_list (G_MAXINT));
 754                 break;
 755         case PROP_SHUTTING_DOWN:
 756                 g_value_set_boolean (value, gnm_app_shutting_down ());
 757                 break;
 758         case PROP_INITIAL_OPEN_COMPLETE:
 759                 g_value_set_boolean (value, gnm_app_initial_open_complete ());
 760                 break;
 761         default: G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, param_id, pspec);
 762                  break;
 763         }
 764 }
 765
 766 static void
 767 gnm_app_set_property (GObject *object, guint property_id,
 768                       GValue const *value, GParamSpec *pspec)
 769 {
 770         GnmApp *app = (GnmApp *)object;
 771
 772         switch (property_id) {
 773         case PROP_SHUTTING_DOWN:
 774                 app->shutting_down = g_value_get_boolean (value);
 775                 break;
 776         case PROP_INITIAL_OPEN_COMPLETE:
 777                 app->initial_open_complete = g_value_get_boolean (value);
 778                 break;
 779         default:
 780                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 781                 break;
 782         }
 783 }
 784
 785 static void
 786 gnm_app_class_init (GObjectClass *gobject_klass)
 787 {
 788         parent_klass = g_type_class_peek_parent (gobject_klass);
 789
 790         /* Object class method overrides */
 791         gobject_klass->finalize = gnm_app_finalize;
 792         gobject_klass->get_property = gnm_app_get_property;
 793         gobject_klass->set_property = gnm_app_set_property;
 794
 795         g_object_class_install_property (gobject_klass, PROP_HISTORY_LIST,
 796                 g_param_spec_pointer ("file-history-list",
 797                                       P_("File History List"),
 798                                       P_("A list of filenames that have been read recently"),
 799                                       GSF_PARAM_STATIC | G_PARAM_READABLE));
 800         g_object_class_install_property (gobject_klass, PROP_SHUTTING_DOWN,
 801                 g_param_spec_boolean ("shutting-down",
 802                                       P_("Shutting Down"),
 803                                       P_("In the process of shutting down?"),
 804                                       FALSE,
 805                                       GSF_PARAM_STATIC | G_PARAM_READWRITE));
 806         g_object_class_install_property (gobject_klass, PROP_INITIAL_OPEN_COMPLETE,
 807                 g_param_spec_boolean ("initial-open-complete",
 808                                       P_("Initial Open Complete"),
 809                                       P_("All command-line files open?"),
 810                                       FALSE,
 811                                       GSF_PARAM_STATIC | G_PARAM_READWRITE));
 812
 813
 814         signals[WORKBOOK_ADDED] = g_signal_new ("workbook_added",
 815                 GNM_APP_TYPE,
 816                 G_SIGNAL_RUN_LAST,
 817                 G_STRUCT_OFFSET (GnmAppClass, workbook_added),
 818                 NULL, NULL,
 819                 g_cclosure_marshal_VOID__OBJECT,
 820                 G_TYPE_NONE, 1, GNM_WORKBOOK_TYPE);
 821         signals[WORKBOOK_REMOVED] = g_signal_new ("workbook_removed",
 822                 GNM_APP_TYPE,
 823                 G_SIGNAL_RUN_LAST,
 824                 G_STRUCT_OFFSET (GnmAppClass, workbook_removed),
 825                 NULL, NULL,
 826                 g_cclosure_marshal_VOID__POINTER,
 827                 G_TYPE_NONE, 1, G_TYPE_POINTER);
 828         signals[WINDOW_LIST_CHANGED] = g_signal_new ("window-list-changed",
 829                 GNM_APP_TYPE,
 830                 G_SIGNAL_RUN_LAST,
 831                 G_STRUCT_OFFSET (GnmAppClass, window_list_changed),
 832                 NULL, NULL,
 833                 g_cclosure_marshal_VOID__VOID,
 834                 G_TYPE_NONE, 0);
 835         signals[CUSTOM_UI_ADDED] = g_signal_new ("custom-ui-added",
 836                 GNM_APP_TYPE,
 837                 G_SIGNAL_RUN_LAST,
 838                 G_STRUCT_OFFSET (GnmAppClass, custom_ui_added),
 839                 NULL, NULL,
 840                 g_cclosure_marshal_VOID__POINTER,
 841                 G_TYPE_NONE, 1, G_TYPE_POINTER);
 842         signals[CUSTOM_UI_REMOVED] = g_signal_new ("custom-ui-removed",
 843                 GNM_APP_TYPE,
 844                 G_SIGNAL_RUN_LAST,
 845                 G_STRUCT_OFFSET (GnmAppClass, custom_ui_removed),
 846                 NULL, NULL,
 847                 g_cclosure_marshal_VOID__POINTER,
 848                 G_TYPE_NONE, 1, G_TYPE_POINTER);
 849         signals[CLIPBOARD_MODIFIED] = g_signal_new ("clipboard_modified",
 850                 GNM_APP_TYPE,
 851                 G_SIGNAL_RUN_LAST,
 852                 G_STRUCT_OFFSET (GnmAppClass, clipboard_modified),
 853                 NULL, NULL,
 854                 g_cclosure_marshal_VOID__VOID,
 855                 G_TYPE_NONE, 0);
 856         signals[RECALC_FINISHED] = g_signal_new ("recalc_finished",
 857                 GNM_APP_TYPE,
 858                 G_SIGNAL_RUN_LAST,
 859                 G_STRUCT_OFFSET (GnmAppClass, recalc_finished),
 860                 NULL, NULL,
 861                 g_cclosure_marshal_VOID__VOID,
 862                 G_TYPE_NONE, 0);
 863         signals[RECALC_FINISHED] = g_signal_new ("recalc_clear_caches",
 864                 GNM_APP_TYPE,
 865                 G_SIGNAL_RUN_LAST,
 866                 G_STRUCT_OFFSET (GnmAppClass, recalc_clear_caches),
 867                 NULL, NULL,
 868                 g_cclosure_marshal_VOID__VOID,
 869                 G_TYPE_NONE, 0);
 870 }
 871
 872 static void
 873 gnm_app_init (GObject *obj)
 874 {
 875         GnmApp *gnm_app = GNM_APP (obj);
 876
 877         gnm_app->clipboard_copied_contents = NULL;
 878         gnm_app->clipboard_sheet_view = NULL;
 879
 880         gnm_app->workbook_list = NULL;
 881
 882         if (gdk_display_get_default ()) {
 883                 /*
 884                  * Only allocate a GtkRecentManager if we have a gui.
 885                  * This is, in part, because it currently throws an error.
 886                  * deep inside gtk+.
 887                  */
 888                 gnm_app->recent = gtk_recent_manager_get_default ();
 889                 g_signal_connect_object (G_OBJECT (gnm_app->recent),
 890                                          "changed",
 891                                          G_CALLBACK (cb_recent_changed),
 892                                          gnm_app, 0);
 893         }
 894
 895         app = gnm_app;
 896 }
 897
 898 GSF_CLASS (GnmApp, gnm_app,
 899            gnm_app_class_init, gnm_app_init,
 900            G_TYPE_OBJECT)
 901
 902 /**********************************************************************/
 903 static GSList *extra_uis = NULL;
 904
 905 /**
 906  * gnm_action_new:
 907  * @name: action ID.
 908  * @label: label.
 909  * @icon: icon name.
 910  * @always_available: whether the action should always be available.
 911  * @handler: (scope async): the handler.
 912  *
 913  * Returns: (transfer full): the newly allocated #GnmAction.
 914  **/
 915 GnmAction *
 916 gnm_action_new (char const *id, char const *label,
 917                 char const *icon_name, gboolean always_available,
 918                 GnmActionHandler handler)
 919 {
 920         GnmAction *res = g_new0 (GnmAction, 1);
 921         res->id         = g_strdup (id);
 922         res->label      = g_strdup (label);
 923         res->icon_name  = g_strdup (icon_name);
 924         res->always_available = always_available;
 925         res->handler    = handler;
 926         return res;
 927 }
 928
 929 void
 930 gnm_action_free (GnmAction *action)
 931 {
 932         if (NULL != action) {
 933                 g_free (action->id);
 934                 g_free (action->label);
 935                 g_free (action->icon_name);
 936                 g_free (action);
 937         }
 938 }
 939
 940 static GnmAction *
 941 gnm_action_copy (GnmAction const *action)
 942 {
 943         return gnm_action_new (action->id, action->label, action->icon_name,
 944                                action->always_available, action->handler);
 945 }
 946
 947 GType
 948 gnm_action_get_type (void)
 949 {
 950         static GType t = 0;
 951
 952         if (t == 0) {
 953                 t = g_boxed_type_register_static ("GnmAction",
 954                          (GBoxedCopyFunc)gnm_action_copy,
 955                          (GBoxedFreeFunc)gnm_action_free);
 956         }
 957         return t;
 958 }
 959
 960 /***************
 961  * making GnmAppExtraUI a boxed type for introspection. copy and free don't do
 962  anything which might be critical, crossing fingers.*/
 963
 964 static GnmAppExtraUI *
 965 gnm_app_extra_ui_ref (GnmAppExtraUI *ui)
 966 {
 967         // Nothing
 968         return ui;
 969 }
 970
 971 static GnmAppExtraUI *
 972 gnm_app_extra_ui_unref (GnmAppExtraUI *ui)
 973 {
 974         // Nothing
 975         return ui;
 976 }
 977
 978 GType
 979 gnm_app_extra_ui_get_type (void)
 980 {
 981         static GType t = 0;
 982
 983         if (t == 0) {
 984                 t = g_boxed_type_register_static ("GnmAppExtraUI",
 985                          (GBoxedCopyFunc)gnm_app_extra_ui_ref,
 986                          (GBoxedFreeFunc)gnm_app_extra_ui_unref);
 987         }
 988         return t;
 989 }
 990
 991 /**
 992  * gnm_app_add_extra_ui:
 993  * @group_name: action group name.
 994  * @actions: (element-type GnmAction): list of actions.
 995  * @layout: the xml string describing the menus and toolbars.
 996  * @domain: localization domain.
 997  * @user_data: user data
 998  *
 999  * Returns: (transfer full): the newly allocated #GnmAppExtraUI.
1000  **/
1001 GnmAppExtraUI *
1002 gnm_app_add_extra_ui (char const *group_name,
1003                       GSList *actions,
1004                       const char *layout,
1005                       char const *domain,
1006                       gpointer user_data)
1007 {
1008         GnmAppExtraUI *extra_ui = g_new0 (GnmAppExtraUI, 1);
1009         extra_uis = g_slist_prepend (extra_uis, extra_ui);
1010         extra_ui->group_name = g_strdup (group_name);
1011         extra_ui->actions = actions;
1012         extra_ui->layout = g_strdup (layout);
1013         extra_ui->user_data = user_data;
1014         g_signal_emit (G_OBJECT (app), signals[CUSTOM_UI_ADDED], 0, extra_ui);
1015         if (gnm_debug_flag ("extra-ui"))
1016                 g_printerr ("Adding extra ui [%s] %p\n", group_name, extra_ui);
1017         return extra_ui;
1018 }
1019
1020 void
1021 gnm_app_remove_extra_ui (GnmAppExtraUI *extra_ui)
1022 {
1023         if (gnm_debug_flag ("extra-ui"))
1024                 g_printerr ("Removing extra ui %p\n", extra_ui);
1025         extra_uis = g_slist_remove (extra_uis, extra_ui);
1026         g_signal_emit (G_OBJECT (app), signals[CUSTOM_UI_REMOVED], 0, extra_ui);
1027         g_free (extra_ui->group_name);
1028         g_free (extra_ui->layout);
1029         g_free (extra_ui);
1030 }
1031
1032 /**
1033  * gnm_app_foreach_extra_ui:
1034  * @func: (scope call): #GFunc
1035  * @data: user data.
1036  *
1037  * Applies @func to each #GnmAppExtraUI.
1038  **/
1039 void
1040 gnm_app_foreach_extra_ui (GFunc func, gpointer data)
1041 {
1042         g_slist_foreach (extra_uis, func, data);
1043 }
1044
1045 /**********************************************************************/
1046
1047 static gint windows_update_timer = 0;
1048 static gboolean
1049 cb_flag_windows_changed (void)
1050 {
1051         if (app)
1052                 g_signal_emit (G_OBJECT (app), signals[WINDOW_LIST_CHANGED], 0);
1053         windows_update_timer = 0;
1054         return FALSE;
1055 }
1056
1057 /**
1058  * _gnm_app_flag_windows_changed:
1059  *
1060  * An internal utility routine to flag a regeneration of the window lists
1061  **/
1062 void
1063 _gnm_app_flag_windows_changed (void)
1064 {
1065         if (windows_update_timer == 0)
1066                 windows_update_timer = g_timeout_add (100,
1067                         (GSourceFunc)cb_flag_windows_changed, NULL);
1068 }
1069
1070 /**********************************************************************/
1071
1072 /**
1073  * gnm_app_recalc:
1074  *
1075  * Recalculate everything dirty in all workbooks that have automatic
1076  * recalc turned on.
1077  **/
1078 void
1079 gnm_app_recalc (void)
1080 {
1081         GList *l;
1082
1083         g_return_if_fail (app != NULL);
1084
1085         gnm_app_recalc_start ();
1086
1087         for (l = app->workbook_list; l; l = l->next) {
1088                 Workbook *wb = l->data;
1089
1090                 if (workbook_get_recalcmode (wb))
1091                         workbook_recalc (wb);
1092         }
1093
1094         gnm_app_recalc_finish ();
1095 }
1096
1097 void
1098 gnm_app_recalc_start (void)
1099 {
1100         g_return_if_fail (app->recalc_count >= 0);
1101         app->recalc_count++;
1102 }
1103
1104 void
1105 gnm_app_recalc_finish (void)
1106 {
1107         g_return_if_fail (app->recalc_count > 0);
1108         app->recalc_count--;
1109         if (app->recalc_count == 0) {
1110                 gnm_app_recalc_clear_caches ();
1111                 g_signal_emit_by_name (gnm_app_get_app (), "recalc-finished");
1112         }
1113 }
1114
1115 void
1116 gnm_app_recalc_clear_caches (void)
1117 {
1118         g_signal_emit_by_name (gnm_app_get_app (), "recalc-clear-caches");
1119 }
1120
1121 gboolean
1122 gnm_app_shutting_down (void)
1123 {
1124         return app->shutting_down;
1125 }
1126
1127 gboolean
1128 gnm_app_initial_open_complete (void)
1129 {
1130         return app->initial_open_complete;
1131 }