1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
6 * Jonathan Blandford <jrb@alum.mit.edu>
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.
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.
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.
28 #include <glib/gi18n.h>
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"
37 struct _EvSidebarLinksPrivate {
40 /* Keep these ids around for blocking */
42 guint page_changed_id;
43 guint row_activated_id;
48 EvPageCache *page_cache;
57 static void links_page_num_func (GtkTreeViewColumn *tree_column,
58 GtkCellRenderer *cell,
59 GtkTreeModel *tree_model,
61 EvSidebarLinks *sidebar_links);
62 static void update_page_callback (EvPageCache *page_cache,
64 EvSidebarLinks *sidebar_links);
65 static void row_activated_callback (GtkTreeView *treeview,
67 GtkTreeViewColumn *arg2,
69 static void ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface);
70 static void ev_sidebar_links_clear_document (EvSidebarLinks *sidebar_links);
71 static void ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
72 EvDocument *document);
73 static gboolean ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
74 EvDocument *document);
75 static const gchar* ev_sidebar_links_get_label (EvSidebarPage *sidebar_page);
78 G_DEFINE_TYPE_EXTENDED (EvSidebarLinks,
82 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
83 ev_sidebar_links_page_iface_init))
86 #define EV_SIDEBAR_LINKS_GET_PRIVATE(object) \
87 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_LINKS, EvSidebarLinksPrivate))
91 ev_sidebar_links_destroy (GtkObject *object)
93 EvSidebarLinks *ev_sidebar_links = (EvSidebarLinks *) object;
95 ev_sidebar_links_clear_document (ev_sidebar_links);
99 ev_sidebar_links_set_property (GObject *object,
104 EvSidebarLinks *ev_sidebar_links;
107 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
112 model = ev_sidebar_links->priv->model;
113 ev_sidebar_links->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
115 g_object_unref (model);
118 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
124 ev_sidebar_links_get_property (GObject *object,
129 EvSidebarLinks *ev_sidebar_links;
131 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
136 g_value_set_object (value, ev_sidebar_links->priv->model);
139 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
146 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
148 GObjectClass *g_object_class;
149 GtkObjectClass *gtk_object_class;
151 g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
152 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_links_class);
154 g_object_class->set_property = ev_sidebar_links_set_property;
155 g_object_class->get_property = ev_sidebar_links_get_property;
157 gtk_object_class->destroy = ev_sidebar_links_destroy;
159 g_object_class_install_property (g_object_class,
161 g_param_spec_object ("model",
167 g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
171 selection_changed_callback (GtkTreeSelection *selection,
172 EvSidebarLinks *ev_sidebar_links)
174 EvDocument *document;
178 g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
180 document = EV_DOCUMENT (ev_sidebar_links->priv->document);
181 g_return_if_fail (ev_sidebar_links->priv->document != NULL);
183 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
186 gtk_tree_model_get (model, &iter,
187 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
193 g_signal_handler_block (ev_sidebar_links->priv->page_cache,
194 ev_sidebar_links->priv->page_changed_id);
195 /* FIXME: we should handle this better. This breaks w/ URLs */
196 ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link);
197 g_signal_handler_unblock (ev_sidebar_links->priv->page_cache,
198 ev_sidebar_links->priv->page_changed_id);
202 static GtkTreeModel *
203 create_loading_model (void)
205 GtkTreeModel *retval;
209 /* Creates a fake model to indicate that we're loading */
210 retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
214 gtk_list_store_append (GTK_LIST_STORE (retval), &iter);
215 markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>", _("Loading..."));
216 gtk_list_store_set (GTK_LIST_STORE (retval), &iter,
217 EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup,
218 EV_DOCUMENT_LINKS_COLUMN_LINK, NULL,
226 print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar)
229 GtkTreeSelection *selection;
233 selection = gtk_tree_view_get_selection
234 (GTK_TREE_VIEW (sidebar->priv->tree_view));
236 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
238 int first_page, last_page;
240 gtk_tree_model_get (model, &iter,
241 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
243 first_page = ev_link_get_page (link) + 1;
245 if (gtk_tree_model_iter_next (model, &iter)) {
246 gtk_tree_model_get (model, &iter,
247 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
249 last_page = ev_link_get_page (link);
254 window = gtk_widget_get_toplevel (GTK_WIDGET (sidebar));
255 if (EV_IS_WINDOW (window)) {
256 ev_window_print_range (EV_WINDOW (window),
257 first_page, last_page);
263 button_press_cb (GtkWidget *treeview,
264 GdkEventButton *event,
265 EvSidebarLinks *sidebar)
267 GtkTreePath *path = NULL;
269 if (event->button == 3) {
270 if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
278 gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview),
281 menu = gtk_menu_new ();
282 item = gtk_image_menu_item_new_from_stock
283 (GTK_STOCK_PRINT, NULL);
284 gtk_label_set_label (GTK_LABEL (GTK_BIN (item)->child),
286 gtk_widget_show (item);
287 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
288 g_signal_connect (item, "activate",
289 G_CALLBACK (print_section_cb), sidebar);
291 gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, 2,
292 gtk_get_current_event_time ());
294 gtk_tree_path_free (path);
305 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
307 EvSidebarLinksPrivate *priv;
309 GtkTreeViewColumn *column;
310 GtkCellRenderer *renderer;
311 GtkTreeSelection *selection;
312 GtkTreeModel *loading_model;
314 priv = ev_sidebar_links->priv;
316 swindow = gtk_scrolled_window_new (NULL, NULL);
318 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
319 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
320 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
323 /* Create tree view */
324 loading_model = create_loading_model ();
325 priv->tree_view = gtk_tree_view_new_with_model (loading_model);
326 g_object_unref (loading_model);
328 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
329 gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
330 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
331 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
333 gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
334 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
336 column = gtk_tree_view_column_new ();
337 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
338 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
340 renderer = (GtkCellRenderer*)
341 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
342 "ellipsize", PANGO_ELLIPSIZE_END,
344 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
345 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
346 "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
350 renderer = gtk_cell_renderer_text_new ();
351 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
352 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
353 (GtkTreeCellDataFunc) links_page_num_func,
354 ev_sidebar_links, NULL);
356 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
357 "button_press_event",
358 G_CALLBACK (button_press_cb),
363 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
365 ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
367 ev_sidebar_links_construct (ev_sidebar_links);
371 links_page_num_func (GtkTreeViewColumn *tree_column,
372 GtkCellRenderer *cell,
373 GtkTreeModel *tree_model,
375 EvSidebarLinks *sidebar_links)
379 gtk_tree_model_get (tree_model, iter,
380 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
384 ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
388 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
389 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
392 "markup", page_string,
397 g_free (page_string);
405 /* Public Functions */
408 ev_sidebar_links_new (void)
410 GtkWidget *ev_sidebar_links;
412 ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
414 return ev_sidebar_links;
418 ev_sidebar_links_clear_document (EvSidebarLinks *sidebar_links)
420 EvSidebarLinksPrivate *priv;
422 g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links));
424 priv = sidebar_links->priv;
426 if (priv->document) {
427 g_object_unref (priv->document);
428 priv->document = NULL;
429 priv->page_cache = NULL;
432 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
436 update_page_callback_foreach (GtkTreeModel *model,
441 EvSidebarLinks *sidebar_links = (data);
444 gtk_tree_model_get (model, iter,
445 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
448 if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
451 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
452 if (ev_link_get_page (link) == current_page) {
453 GtkTreeSelection *selection;
455 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
457 gtk_tree_selection_select_path (selection, path);
467 update_page_callback (EvPageCache *page_cache,
469 EvSidebarLinks *sidebar_links)
471 GtkTreeSelection *selection;
472 /* We go through the tree linearly looking for the first page that
473 * matches. This is pretty inefficient. We can do something neat with
474 * a GtkTreeModelSort here to make it faster, if it turns out to be
478 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
480 g_signal_handler_block (selection, sidebar_links->priv->selection_id);
481 g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
483 gtk_tree_selection_unselect_all (selection);
484 gtk_tree_model_foreach (sidebar_links->priv->model,
485 update_page_callback_foreach,
488 g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
489 g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
493 row_activated_callback (GtkTreeView *treeview,
495 GtkTreeViewColumn *arg2,
498 if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) {
499 gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1);
501 gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE);
508 job_finished_callback (EvJobLinks *job,
509 EvSidebarLinks *sidebar_links)
511 EvSidebarLinksPrivate *priv;
512 GtkTreeSelection *selection;
517 priv = sidebar_links->priv;
519 priv->model = g_object_ref (job->model);
520 g_object_notify (G_OBJECT (sidebar_links), "model");
522 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
523 g_object_unref (job);
525 /* Expand one level of the tree */
526 path = gtk_tree_path_new_first ();
527 for (result = gtk_tree_model_get_iter_first (priv->model, &iter);
529 result = gtk_tree_model_iter_next (priv->model, &iter)) {
530 gtk_tree_view_expand_row (GTK_TREE_VIEW (priv->tree_view), path, FALSE);
531 gtk_tree_path_next (path);
533 gtk_tree_path_free (path);
535 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
536 gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
537 priv->selection_id = g_signal_connect (selection, "changed",
538 G_CALLBACK (selection_changed_callback),
540 priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
541 G_CALLBACK (update_page_callback),
543 priv->row_activated_id = g_signal_connect (G_OBJECT (priv->tree_view), "row-activated",
544 G_CALLBACK (row_activated_callback), sidebar_links);
545 update_page_callback (priv->page_cache,
546 ev_page_cache_get_current_page (priv->page_cache),
552 ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
553 EvDocument *document)
555 EvSidebarLinks *sidebar_links;
556 EvSidebarLinksPrivate *priv;
558 g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
559 g_return_if_fail (EV_IS_DOCUMENT (document));
561 sidebar_links = EV_SIDEBAR_LINKS (sidebar_page);
563 priv = sidebar_links->priv;
565 g_object_ref (document);
567 priv->document = document;
568 priv->page_cache = ev_document_get_page_cache (document);
570 priv->job = ev_job_links_new (document);
571 g_signal_connect (priv->job,
573 G_CALLBACK (job_finished_callback),
575 /* The priority doesn't matter for this job */
576 ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);
581 ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
582 EvDocument *document)
584 return (EV_IS_DOCUMENT_LINKS (document) &&
585 ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document)));
589 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
595 ev_sidebar_links_get_treeview (EvSidebarLinks *sidebar)
597 return sidebar->priv->tree_view;
601 ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface)
603 iface->support_document = ev_sidebar_links_support_document;
604 iface->set_document = ev_sidebar_links_set_document;
605 iface->get_label = ev_sidebar_links_get_label;