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"
38 struct _EvSidebarLinksPrivate {
41 /* Keep these ids around for blocking */
43 guint page_changed_id;
44 guint row_activated_id;
49 EvPageCache *page_cache;
59 static void links_page_num_func (GtkTreeViewColumn *tree_column,
60 GtkCellRenderer *cell,
61 GtkTreeModel *tree_model,
63 EvSidebarLinks *sidebar_links);
64 static void update_page_callback (EvPageCache *page_cache,
66 EvSidebarLinks *sidebar_links);
67 static void row_activated_callback (GtkTreeView *treeview,
69 GtkTreeViewColumn *arg2,
71 static void job_finished_callback (EvJobLinks *job,
72 EvSidebarLinks *sidebar_links);
73 static void ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface);
74 static void ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
75 EvDocument *document);
76 static gboolean ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
77 EvDocument *document);
78 static const gchar* ev_sidebar_links_get_label (EvSidebarPage *sidebar_page);
81 G_DEFINE_TYPE_EXTENDED (EvSidebarLinks,
85 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
86 ev_sidebar_links_page_iface_init))
89 #define EV_SIDEBAR_LINKS_GET_PRIVATE(object) \
90 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_LINKS, EvSidebarLinksPrivate))
93 ev_sidebar_links_set_property (GObject *object,
98 EvSidebarLinks *ev_sidebar_links;
101 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
106 model = ev_sidebar_links->priv->model;
107 ev_sidebar_links->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
109 g_object_unref (model);
112 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
118 ev_sidebar_links_get_property (GObject *object,
123 EvSidebarLinks *ev_sidebar_links;
125 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
130 g_value_set_object (value, ev_sidebar_links->priv->model);
133 g_value_set_object (value, ev_sidebar_links->priv->tree_view);
136 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
142 ev_sidebar_links_dispose (GObject *object)
144 EvSidebarLinks *sidebar = EV_SIDEBAR_LINKS (object);
146 if (sidebar->priv->job) {
147 g_signal_handlers_disconnect_by_func (sidebar->priv->job,
148 job_finished_callback, sidebar);
149 ev_job_queue_remove_job (sidebar->priv->job);
150 g_object_unref (sidebar->priv->job);
151 sidebar->priv->job = NULL;
154 if (sidebar->priv->model) {
155 g_object_unref (sidebar->priv->model);
156 sidebar->priv->model = NULL;
159 if (sidebar->priv->document) {
160 g_object_unref (sidebar->priv->document);
161 sidebar->priv->document = NULL;
162 sidebar->priv->page_cache = NULL;
166 G_OBJECT_CLASS (ev_sidebar_links_parent_class)->dispose (object);
170 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
172 GObjectClass *g_object_class;
174 g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
176 g_object_class->set_property = ev_sidebar_links_set_property;
177 g_object_class->get_property = ev_sidebar_links_get_property;
178 g_object_class->dispose = ev_sidebar_links_dispose;
180 g_object_class_install_property (g_object_class,
182 g_param_spec_object ("model",
187 g_object_class_override_property (g_object_class,
191 g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
195 selection_changed_callback (GtkTreeSelection *selection,
196 EvSidebarLinks *ev_sidebar_links)
198 EvDocument *document;
202 g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
204 document = EV_DOCUMENT (ev_sidebar_links->priv->document);
205 g_return_if_fail (ev_sidebar_links->priv->document != NULL);
207 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
210 gtk_tree_model_get (model, &iter,
211 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
217 g_signal_handler_block (ev_sidebar_links->priv->page_cache,
218 ev_sidebar_links->priv->page_changed_id);
219 /* FIXME: we should handle this better. This breaks w/ URLs */
220 ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link);
221 g_signal_handler_unblock (ev_sidebar_links->priv->page_cache,
222 ev_sidebar_links->priv->page_changed_id);
224 g_object_unref (link);
228 static GtkTreeModel *
229 create_loading_model (void)
231 GtkTreeModel *retval;
235 /* Creates a fake model to indicate that we're loading */
236 retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
241 gtk_list_store_append (GTK_LIST_STORE (retval), &iter);
242 markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>", _("Loading..."));
243 gtk_list_store_set (GTK_LIST_STORE (retval), &iter,
244 EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup,
245 EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE,
246 EV_DOCUMENT_LINKS_COLUMN_LINK, NULL,
254 print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar)
257 GtkTreeSelection *selection;
261 selection = gtk_tree_view_get_selection
262 (GTK_TREE_VIEW (sidebar->priv->tree_view));
264 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
266 int first_page, last_page;
268 gtk_tree_model_get (model, &iter,
269 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
271 first_page = ev_link_get_page (link) + 1;
274 g_object_unref (link);
276 if (gtk_tree_model_iter_next (model, &iter)) {
277 gtk_tree_model_get (model, &iter,
278 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
280 last_page = ev_link_get_page (link);
283 g_object_unref (link);
288 window = gtk_widget_get_toplevel (GTK_WIDGET (sidebar));
289 if (EV_IS_WINDOW (window)) {
290 ev_window_print_range (EV_WINDOW (window),
291 first_page, last_page);
297 build_popup_menu (EvSidebarLinks *sidebar)
302 menu = gtk_menu_new ();
303 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_PRINT, NULL);
304 gtk_label_set_label (GTK_LABEL (GTK_BIN (item)->child), _("Print..."));
305 gtk_widget_show (item);
306 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
307 g_signal_connect (item, "activate",
308 G_CALLBACK (print_section_cb), sidebar);
310 return GTK_MENU (menu);
314 popup_menu_cb (GtkWidget *treeview, EvSidebarLinks *sidebar)
316 GtkMenu *menu = build_popup_menu (sidebar);
318 gtk_menu_popup (menu, NULL, NULL,
319 ev_gui_menu_position_tree_selection,
320 sidebar->priv->tree_view, 0,
321 gtk_get_current_event_time ());
322 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
326 button_press_cb (GtkWidget *treeview,
327 GdkEventButton *event,
328 EvSidebarLinks *sidebar)
330 GtkTreePath *path = NULL;
332 if (event->button == 3) {
333 if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
338 gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview),
340 gtk_menu_popup (build_popup_menu (sidebar), NULL,
341 NULL, NULL, NULL, event->button,
342 gtk_get_current_event_time ());
343 gtk_tree_path_free (path);
354 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
356 EvSidebarLinksPrivate *priv;
358 GtkTreeViewColumn *column;
359 GtkCellRenderer *renderer;
360 GtkTreeSelection *selection;
361 GtkTreeModel *loading_model;
363 priv = ev_sidebar_links->priv;
365 swindow = gtk_scrolled_window_new (NULL, NULL);
367 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
368 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
369 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
372 /* Create tree view */
373 loading_model = create_loading_model ();
374 priv->tree_view = gtk_tree_view_new_with_model (loading_model);
375 g_object_unref (loading_model);
377 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
378 gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
379 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
380 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
382 gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
383 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
385 column = gtk_tree_view_column_new ();
386 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
387 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
389 renderer = (GtkCellRenderer*)
390 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
391 "ellipsize", PANGO_ELLIPSIZE_END,
393 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
394 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
395 "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
399 renderer = gtk_cell_renderer_text_new ();
400 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
401 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
402 (GtkTreeCellDataFunc) links_page_num_func,
403 ev_sidebar_links, NULL);
405 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
406 "button_press_event",
407 G_CALLBACK (button_press_cb),
409 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
411 G_CALLBACK (popup_menu_cb),
416 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
418 ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
420 ev_sidebar_links_construct (ev_sidebar_links);
424 links_page_num_func (GtkTreeViewColumn *tree_column,
425 GtkCellRenderer *cell,
426 GtkTreeModel *tree_model,
428 EvSidebarLinks *sidebar_links)
432 gtk_tree_model_get (tree_model, iter,
433 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
437 ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
441 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
442 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
445 "markup", page_string,
450 g_free (page_string);
458 g_object_unref (link);
461 /* Public Functions */
464 ev_sidebar_links_new (void)
466 GtkWidget *ev_sidebar_links;
468 ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
470 return ev_sidebar_links;
474 update_page_callback_foreach (GtkTreeModel *model,
479 EvSidebarLinks *sidebar_links = (data);
482 gtk_tree_model_get (model, iter,
483 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
486 if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
489 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
490 if (ev_link_get_page (link) == current_page) {
491 GtkTreeSelection *selection;
493 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
495 gtk_tree_selection_select_path (selection, path);
497 g_object_unref (link);
503 g_object_unref (link);
509 update_page_callback (EvPageCache *page_cache,
511 EvSidebarLinks *sidebar_links)
513 GtkTreeSelection *selection;
514 /* We go through the tree linearly looking for the first page that
515 * matches. This is pretty inefficient. We can do something neat with
516 * a GtkTreeModelSort here to make it faster, if it turns out to be
520 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
522 g_signal_handler_block (selection, sidebar_links->priv->selection_id);
523 g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
525 gtk_tree_selection_unselect_all (selection);
526 gtk_tree_model_foreach (sidebar_links->priv->model,
527 update_page_callback_foreach,
530 g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
531 g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
535 row_activated_callback (GtkTreeView *treeview,
537 GtkTreeViewColumn *arg2,
540 if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) {
541 gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1);
543 gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE);
550 expand_open_links (GtkTreeView *tree_view, GtkTreeModel *model, GtkTreeIter *parent)
555 if (gtk_tree_model_iter_children (model, &iter, parent)) {
557 gtk_tree_model_get (model, &iter,
558 EV_DOCUMENT_LINKS_COLUMN_EXPAND, &expand,
563 path = gtk_tree_model_get_path (model, &iter);
564 gtk_tree_view_expand_row (tree_view, path, FALSE);
565 gtk_tree_path_free (path);
568 expand_open_links (tree_view, model, &iter);
569 } while (gtk_tree_model_iter_next (model, &iter));
574 job_finished_callback (EvJobLinks *job,
575 EvSidebarLinks *sidebar_links)
577 EvSidebarLinksPrivate *priv;
578 GtkTreeSelection *selection;
580 priv = sidebar_links->priv;
582 priv->model = job->model;
583 g_object_notify (G_OBJECT (sidebar_links), "model");
585 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
587 g_object_unref (job);
590 expand_open_links (GTK_TREE_VIEW (priv->tree_view), priv->model, NULL);
592 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
593 gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
594 priv->selection_id = g_signal_connect (selection, "changed",
595 G_CALLBACK (selection_changed_callback),
597 priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
598 G_CALLBACK (update_page_callback),
600 priv->row_activated_id = g_signal_connect (G_OBJECT (priv->tree_view), "row-activated",
601 G_CALLBACK (row_activated_callback), sidebar_links);
602 update_page_callback (priv->page_cache,
603 ev_page_cache_get_current_page (priv->page_cache),
609 ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
610 EvDocument *document)
612 EvSidebarLinks *sidebar_links;
613 EvSidebarLinksPrivate *priv;
615 g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
616 g_return_if_fail (EV_IS_DOCUMENT (document));
618 sidebar_links = EV_SIDEBAR_LINKS (sidebar_page);
620 priv = sidebar_links->priv;
622 if (priv->document) {
623 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
624 g_object_unref (priv->document);
627 priv->document = g_object_ref (document);
628 priv->page_cache = ev_page_cache_get (document);
631 g_signal_handlers_disconnect_by_func (priv->job,
632 job_finished_callback,
634 g_object_unref (priv->job);
637 priv->job = ev_job_links_new (document);
638 g_signal_connect (priv->job,
640 G_CALLBACK (job_finished_callback),
642 /* The priority doesn't matter for this job */
643 ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);
647 ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
648 EvDocument *document)
650 return (EV_IS_DOCUMENT_LINKS (document) &&
651 ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document)));
655 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
661 ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface)
663 iface->support_document = ev_sidebar_links_support_document;
664 iface->set_document = ev_sidebar_links_set_document;
665 iface->get_label = ev_sidebar_links_get_label;