shell/ev-sidebar-links.c

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2004 Red Hat, Inc.
   4  *
   5  *  Author:
   6  *    Jonathan Blandford <jrb@alum.mit.edu>
   7  *
   8  * Evince is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Evince is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include <string.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30
  31 #include "ev-sidebar-page.h"
  32 #include "ev-sidebar-links.h"
  33 #include "ev-job-queue.h"
  34 #include "ev-document-links.h"
  35 #include "ev-window.h"
  36 #include "ev-gui.h"
  37
  38 struct _EvSidebarLinksPrivate {
  39         GtkWidget *tree_view;
  40
  41         /* Keep these ids around for blocking */
  42         guint selection_id;
  43         guint page_changed_id;
  44         guint row_activated_id;
  45
  46         EvJob *job;
  47         GtkTreeModel *model;
  48         EvDocument *document;
  49         EvPageCache *page_cache;
  50 };
  51
  52 enum {
  53         PROP_0,
  54         PROP_MODEL,
  55 };
  56
  57
  58 static void links_page_num_func                         (GtkTreeViewColumn *tree_column,
  59                                                          GtkCellRenderer   *cell,
  60                                                          GtkTreeModel      *tree_model,
  61                                                          GtkTreeIter       *iter,
  62                                                          EvSidebarLinks    *sidebar_links);
  63 static void update_page_callback                        (EvPageCache       *page_cache,
  64                                                          gint               current_page,
  65                                                          EvSidebarLinks    *sidebar_links);
  66 static void row_activated_callback                      (GtkTreeView *treeview,
  67                                                          GtkTreePath *arg1,
  68                                                          GtkTreeViewColumn *arg2,
  69                                                          gpointer user_data);
  70 static void ev_sidebar_links_page_iface_init            (EvSidebarPageIface *iface);
  71 static void ev_sidebar_links_clear_document             (EvSidebarLinks *sidebar_links);
  72 static void ev_sidebar_links_set_document               (EvSidebarPage  *sidebar_page,
  73                                                          EvDocument     *document);
  74 static gboolean ev_sidebar_links_support_document       (EvSidebarPage  *sidebar_page,
  75                                                          EvDocument     *document);
  76 static const gchar* ev_sidebar_links_get_label          (EvSidebarPage *sidebar_page);
  77
  78
  79 G_DEFINE_TYPE_EXTENDED (EvSidebarLinks,
  80                         ev_sidebar_links,
  81                         GTK_TYPE_VBOX,
  82                         0,
  83                         G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
  84                                                ev_sidebar_links_page_iface_init))
  85
  86
  87 #define EV_SIDEBAR_LINKS_GET_PRIVATE(object) \
  88         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_LINKS, EvSidebarLinksPrivate))
  89
  90
  91 static void
  92 ev_sidebar_links_destroy (GtkObject *object)
  93 {
  94         EvSidebarLinks *ev_sidebar_links = (EvSidebarLinks *) object;
  95
  96         ev_sidebar_links_clear_document (ev_sidebar_links);
  97 }
  98
  99 static void
 100 ev_sidebar_links_set_property (GObject      *object,
 101                                guint         prop_id,
 102                                const GValue *value,
 103                                GParamSpec   *pspec)
 104 {
 105         EvSidebarLinks *ev_sidebar_links;
 106         GtkTreeModel *model;
 107
 108         ev_sidebar_links = EV_SIDEBAR_LINKS (object);
 109
 110         switch (prop_id)
 111         {
 112         case PROP_MODEL:
 113                 model = ev_sidebar_links->priv->model;
 114                 ev_sidebar_links->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
 115                 if (model)
 116                         g_object_unref (model);
 117                 break;
 118         default:
 119                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 120                 break;
 121         }
 122 }
 123
 124 static void
 125 ev_sidebar_links_get_property (GObject    *object,
 126                                guint       prop_id,
 127                                GValue     *value,
 128                                GParamSpec *pspec)
 129 {
 130         EvSidebarLinks *ev_sidebar_links;
 131
 132         ev_sidebar_links = EV_SIDEBAR_LINKS (object);
 133
 134         switch (prop_id)
 135         {
 136         case PROP_MODEL:
 137                 g_value_set_object (value, ev_sidebar_links->priv->model);
 138                 break;
 139         default:
 140                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 141                 break;
 142         }
 143 }
 144
 145
 146 static void
 147 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
 148 {
 149         GObjectClass *g_object_class;
 150         GtkObjectClass *gtk_object_class;
 151
 152         g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
 153         gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_links_class);
 154
 155         g_object_class->set_property = ev_sidebar_links_set_property;
 156         g_object_class->get_property = ev_sidebar_links_get_property;
 157
 158         gtk_object_class->destroy = ev_sidebar_links_destroy;
 159
 160         g_object_class_install_property (g_object_class,
 161                                          PROP_MODEL,
 162                                          g_param_spec_object ("model",
 163                                                               "Model",
 164                                                               "Current Model",
 165                                                               GTK_TYPE_TREE_MODEL,
 166                                                               G_PARAM_READWRITE));
 167
 168         g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
 169 }
 170
 171 static void
 172 selection_changed_callback (GtkTreeSelection   *selection,
 173                             EvSidebarLinks     *ev_sidebar_links)
 174 {
 175         EvDocument *document;
 176         GtkTreeModel *model;
 177         GtkTreeIter iter;
 178
 179         g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
 180
 181         document = EV_DOCUMENT (ev_sidebar_links->priv->document);
 182         g_return_if_fail (ev_sidebar_links->priv->document != NULL);
 183
 184         if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
 185                 EvLink *link;
 186
 187                 gtk_tree_model_get (model, &iter,
 188                                     EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
 189                                     -1);
 190
 191                 if (link == NULL)
 192                         return;
 193
 194                 g_signal_handler_block (ev_sidebar_links->priv->page_cache,
 195                                         ev_sidebar_links->priv->page_changed_id);
 196                 /* FIXME: we should handle this better.  This breaks w/ URLs */
 197                 ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link);
 198                 g_signal_handler_unblock (ev_sidebar_links->priv->page_cache,
 199                                           ev_sidebar_links->priv->page_changed_id);
 200         }
 201 }
 202
 203 static GtkTreeModel *
 204 create_loading_model (void)
 205 {
 206         GtkTreeModel *retval;
 207         GtkTreeIter iter;
 208         gchar *markup;
 209
 210         /* Creates a fake model to indicate that we're loading */
 211         retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
 212                                                      G_TYPE_STRING,
 213                                                      G_TYPE_OBJECT);
 214
 215         gtk_list_store_append (GTK_LIST_STORE (retval), &iter);
 216         markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>", _("Loading..."));
 217         gtk_list_store_set (GTK_LIST_STORE (retval), &iter,
 218                             EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup,
 219                             EV_DOCUMENT_LINKS_COLUMN_LINK, NULL,
 220                             -1);
 221         g_free (markup);
 222
 223         return retval;
 224 }
 225
 226 static void
 227 print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar)
 228 {
 229         GtkWidget *window;
 230         GtkTreeSelection *selection;
 231         GtkTreeModel *model;
 232         GtkTreeIter iter;
 233
 234         selection = gtk_tree_view_get_selection
 235                 (GTK_TREE_VIEW (sidebar->priv->tree_view));
 236
 237         if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
 238                 EvLink *link;
 239                 int first_page, last_page;
 240
 241                 gtk_tree_model_get (model, &iter,
 242                                     EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
 243                                     -1);
 244                 first_page = ev_link_get_page (link) + 1;
 245
 246                 if (gtk_tree_model_iter_next (model, &iter)) {
 247                         gtk_tree_model_get (model, &iter,
 248                                             EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
 249                                             -1);
 250                         last_page = ev_link_get_page (link);
 251                 } else {
 252                         last_page = -1;
 253                 }
 254
 255                 window = gtk_widget_get_toplevel (GTK_WIDGET (sidebar));
 256                 if (EV_IS_WINDOW (window)) {
 257                         ev_window_print_range (EV_WINDOW (window),
 258                                                first_page, last_page);
 259                 }
 260         }
 261 }
 262
 263 static GtkMenu *
 264 build_popup_menu (EvSidebarLinks *sidebar)
 265 {
 266         GtkWidget *menu;
 267         GtkWidget *item;
 268
 269         menu = gtk_menu_new ();
 270         item = gtk_image_menu_item_new_from_stock (GTK_STOCK_PRINT, NULL);
 271         gtk_label_set_label (GTK_LABEL (GTK_BIN (item)->child), _("Print..."));
 272         gtk_widget_show (item);
 273         gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
 274         g_signal_connect (item, "activate",
 275                           G_CALLBACK (print_section_cb), sidebar);
 276
 277         return GTK_MENU (menu);
 278 }
 279
 280 static void
 281 popup_menu_cb (GtkWidget *treeview, EvSidebarLinks *sidebar)
 282 {
 283         gtk_menu_popup (build_popup_menu (sidebar), NULL, NULL,
 284                         ev_gui_menu_position_tree_selection,
 285                         sidebar->priv->tree_view, 0,
 286                         gtk_get_current_event_time ());
 287 }
 288
 289 static gboolean
 290 button_press_cb (GtkWidget *treeview,
 291                  GdkEventButton *event,
 292                  EvSidebarLinks *sidebar)
 293 {
 294         GtkTreePath *path = NULL;
 295
 296         if (event->button == 3) {
 297                 if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
 298                                                    event->x,
 299                                                    event->y,
 300                                                    &path,
 301                                                    NULL, NULL, NULL)) {
 302                         gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview),
 303                                                   path, NULL, FALSE);
 304                         gtk_menu_popup (build_popup_menu (sidebar), NULL,
 305                                         NULL, NULL, NULL, event->button,
 306                                         gtk_get_current_event_time ());
 307                         gtk_tree_path_free (path);
 308
 309                         return TRUE;
 310                 }
 311         }
 312
 313         return FALSE;
 314 }
 315
 316
 317 static void
 318 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
 319 {
 320         EvSidebarLinksPrivate *priv;
 321         GtkWidget *swindow;
 322         GtkTreeViewColumn *column;
 323         GtkCellRenderer *renderer;
 324         GtkTreeSelection *selection;
 325         GtkTreeModel *loading_model;
 326
 327         priv = ev_sidebar_links->priv;
 328
 329         swindow = gtk_scrolled_window_new (NULL, NULL);
 330
 331         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
 332                                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 333         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
 334                                              GTK_SHADOW_IN);
 335
 336         /* Create tree view */
 337         loading_model = create_loading_model ();
 338         priv->tree_view = gtk_tree_view_new_with_model (loading_model);
 339         g_object_unref (loading_model);
 340
 341         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
 342         gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
 343         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
 344         gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
 345
 346         gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
 347         gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
 348
 349         column = gtk_tree_view_column_new ();
 350         gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
 351         gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
 352
 353         renderer = (GtkCellRenderer*)
 354                 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
 355                               "ellipsize", PANGO_ELLIPSIZE_END,
 356                               NULL);
 357         gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
 358         gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
 359                                              "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
 360                                              NULL);
 361
 362
 363         renderer = gtk_cell_renderer_text_new ();
 364         gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
 365         gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
 366                                                  (GtkTreeCellDataFunc) links_page_num_func,
 367                                                  ev_sidebar_links, NULL);
 368
 369         g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
 370                           "button_press_event",
 371                           G_CALLBACK (button_press_cb),
 372                           ev_sidebar_links);
 373         g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
 374                           "popup_menu",
 375                           G_CALLBACK (popup_menu_cb),
 376                           ev_sidebar_links);
 377 }
 378
 379 static void
 380 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
 381 {
 382         ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
 383
 384         ev_sidebar_links_construct (ev_sidebar_links);
 385 }
 386
 387 static void
 388 links_page_num_func (GtkTreeViewColumn *tree_column,
 389                      GtkCellRenderer   *cell,
 390                      GtkTreeModel      *tree_model,
 391                      GtkTreeIter       *iter,
 392                      EvSidebarLinks    *sidebar_links)
 393 {
 394         EvLink *link;
 395
 396         gtk_tree_model_get (tree_model, iter,
 397                             EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
 398                             -1);
 399
 400         if (link != NULL &&
 401             ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
 402                 gchar *page_label;
 403                 gchar *page_string;
 404
 405                 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
 406                 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
 407
 408                 g_object_set (cell,
 409                               "markup", page_string,
 410                               "visible", TRUE,
 411                               NULL);
 412
 413                 g_free (page_label);
 414                 g_free (page_string);
 415         } else {
 416                 g_object_set (cell,
 417                               "visible", FALSE,
 418                               NULL);
 419         }
 420 }
 421
 422 /* Public Functions */
 423
 424 GtkWidget *
 425 ev_sidebar_links_new (void)
 426 {
 427         GtkWidget *ev_sidebar_links;
 428
 429         ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
 430
 431         return ev_sidebar_links;
 432 }
 433
 434 static void
 435 ev_sidebar_links_clear_document (EvSidebarLinks *sidebar_links)
 436 {
 437         EvSidebarLinksPrivate *priv;
 438
 439         g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links));
 440
 441         priv = sidebar_links->priv;
 442
 443         if (priv->document) {
 444                 g_object_unref (priv->document);
 445                 priv->document = NULL;
 446                 priv->page_cache = NULL;
 447         }
 448
 449         gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
 450 }
 451
 452 static gboolean
 453 update_page_callback_foreach (GtkTreeModel *model,
 454                               GtkTreePath  *path,
 455                               GtkTreeIter  *iter,
 456                               gpointer      data)
 457 {
 458         EvSidebarLinks *sidebar_links = (data);
 459         EvLink *link;
 460
 461         gtk_tree_model_get (model, iter,
 462                             EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
 463                             -1);
 464
 465         if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
 466                 int current_page;
 467
 468                 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
 469                 if (ev_link_get_page (link) == current_page) {
 470                         GtkTreeSelection *selection;
 471
 472                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
 473
 474                         gtk_tree_selection_select_path (selection, path);
 475
 476                         return TRUE;
 477                 }
 478         }
 479
 480         return FALSE;
 481 }
 482
 483 static void
 484 update_page_callback (EvPageCache    *page_cache,
 485                       gint            current_page,
 486                       EvSidebarLinks *sidebar_links)
 487 {
 488         GtkTreeSelection *selection;
 489         /* We go through the tree linearly looking for the first page that
 490          * matches.  This is pretty inefficient.  We can do something neat with
 491          * a GtkTreeModelSort here to make it faster, if it turns out to be
 492          * slow.
 493          */
 494
 495         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
 496
 497         g_signal_handler_block (selection, sidebar_links->priv->selection_id);
 498         g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
 499
 500         gtk_tree_selection_unselect_all (selection);
 501         gtk_tree_model_foreach (sidebar_links->priv->model,
 502                                 update_page_callback_foreach,
 503                                 sidebar_links);
 504
 505         g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
 506         g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
 507 }
 508
 509 static void
 510 row_activated_callback                  (GtkTreeView *treeview,
 511                                          GtkTreePath *arg1,
 512                                          GtkTreeViewColumn *arg2,
 513                                          gpointer user_data)
 514 {
 515         if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) {
 516                     gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1);
 517         } else {
 518                     gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE);
 519         }
 520
 521         return;
 522 }
 523
 524 static void
 525 job_finished_callback (EvJobLinks     *job,
 526                        EvSidebarLinks *sidebar_links)
 527 {
 528         EvSidebarLinksPrivate *priv;
 529         GtkTreeSelection *selection;
 530         GtkTreeIter iter;
 531         GtkTreePath *path;
 532         gboolean result;
 533
 534         priv = sidebar_links->priv;
 535
 536         priv->model = g_object_ref (job->model);
 537         g_object_notify (G_OBJECT (sidebar_links), "model");
 538
 539         gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
 540         g_object_unref (job);
 541
 542         /* Expand one level of the tree */
 543         path = gtk_tree_path_new_first ();
 544         for (result = gtk_tree_model_get_iter_first (priv->model, &iter);
 545              result;
 546              result = gtk_tree_model_iter_next (priv->model, &iter)) {
 547                 gtk_tree_view_expand_row (GTK_TREE_VIEW (priv->tree_view), path, FALSE);
 548                 gtk_tree_path_next (path);
 549         }
 550         gtk_tree_path_free (path);
 551
 552         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
 553         gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
 554         priv->selection_id = g_signal_connect (selection, "changed",
 555                                                G_CALLBACK (selection_changed_callback),
 556                                                sidebar_links);
 557         priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
 558                                                   G_CALLBACK (update_page_callback),
 559                                                   sidebar_links);
 560         priv->row_activated_id = g_signal_connect (G_OBJECT (priv->tree_view), "row-activated",
 561                                                     G_CALLBACK (row_activated_callback), sidebar_links);
 562         update_page_callback (priv->page_cache,
 563                               ev_page_cache_get_current_page (priv->page_cache),
 564                               sidebar_links);
 565
 566 }
 567
 568 static void
 569 ev_sidebar_links_set_document (EvSidebarPage  *sidebar_page,
 570                                EvDocument     *document)
 571 {
 572         EvSidebarLinks *sidebar_links;
 573         EvSidebarLinksPrivate *priv;
 574
 575         g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
 576         g_return_if_fail (EV_IS_DOCUMENT (document));
 577
 578         sidebar_links = EV_SIDEBAR_LINKS (sidebar_page);
 579
 580         priv = sidebar_links->priv;
 581
 582         g_object_ref (document);
 583
 584         priv->document = document;
 585         priv->page_cache = ev_document_get_page_cache (document);
 586
 587         priv->job = ev_job_links_new (document);
 588         g_signal_connect (priv->job,
 589                           "finished",
 590                           G_CALLBACK (job_finished_callback),
 591                           sidebar_links);
 592         /* The priority doesn't matter for this job */
 593         ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);
 594
 595 }
 596
 597 static gboolean
 598 ev_sidebar_links_support_document (EvSidebarPage  *sidebar_page,
 599                                    EvDocument *document)
 600 {
 601         return (EV_IS_DOCUMENT_LINKS (document) &&
 602                     ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document)));
 603 }
 604
 605 static const gchar*
 606 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
 607 {
 608     return _("Index");
 609 }
 610
 611 GtkWidget *
 612 ev_sidebar_links_get_treeview (EvSidebarLinks *sidebar)
 613 {
 614         return sidebar->priv->tree_view;
 615 }
 616
 617 static void
 618 ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface)
 619 {
 620         iface->support_document = ev_sidebar_links_support_document;
 621         iface->set_document = ev_sidebar_links_set_document;
 622         iface->get_label = ev_sidebar_links_get_label;
 623 }
 624