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;
58 static void links_page_num_func (GtkTreeViewColumn *tree_column,
59 GtkCellRenderer *cell,
60 GtkTreeModel *tree_model,
62 EvSidebarLinks *sidebar_links);
63 static void update_page_callback (EvPageCache *page_cache,
65 EvSidebarLinks *sidebar_links);
66 static void row_activated_callback (GtkTreeView *treeview,
68 GtkTreeViewColumn *arg2,
70 static void ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface);
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))
90 ev_sidebar_links_set_property (GObject *object,
95 EvSidebarLinks *ev_sidebar_links;
98 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
103 model = ev_sidebar_links->priv->model;
104 ev_sidebar_links->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
106 g_object_unref (model);
109 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
115 ev_sidebar_links_get_property (GObject *object,
120 EvSidebarLinks *ev_sidebar_links;
122 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
127 g_value_set_object (value, ev_sidebar_links->priv->model);
130 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
136 ev_sidebar_links_dispose (GObject *object)
138 EvSidebarLinks *sidebar = EV_SIDEBAR_LINKS (object);
140 if (sidebar->priv->document) {
141 g_object_unref (sidebar->priv->document);
142 sidebar->priv->document = NULL;
143 sidebar->priv->page_cache = NULL;
146 G_OBJECT_CLASS (ev_sidebar_links_parent_class)->dispose (object);
150 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
152 GObjectClass *g_object_class;
154 g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
156 g_object_class->set_property = ev_sidebar_links_set_property;
157 g_object_class->get_property = ev_sidebar_links_get_property;
158 g_object_class->dispose = ev_sidebar_links_dispose;
160 g_object_class_install_property (g_object_class,
162 g_param_spec_object ("model",
168 g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
172 selection_changed_callback (GtkTreeSelection *selection,
173 EvSidebarLinks *ev_sidebar_links)
175 EvDocument *document;
179 g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
181 document = EV_DOCUMENT (ev_sidebar_links->priv->document);
182 g_return_if_fail (ev_sidebar_links->priv->document != NULL);
184 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
187 gtk_tree_model_get (model, &iter,
188 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
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);
203 static GtkTreeModel *
204 create_loading_model (void)
206 GtkTreeModel *retval;
210 /* Creates a fake model to indicate that we're loading */
211 retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
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,
227 print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar)
230 GtkTreeSelection *selection;
234 selection = gtk_tree_view_get_selection
235 (GTK_TREE_VIEW (sidebar->priv->tree_view));
237 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
239 int first_page, last_page;
241 gtk_tree_model_get (model, &iter,
242 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
244 first_page = ev_link_get_page (link) + 1;
246 if (gtk_tree_model_iter_next (model, &iter)) {
247 gtk_tree_model_get (model, &iter,
248 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
250 last_page = ev_link_get_page (link);
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);
264 build_popup_menu (EvSidebarLinks *sidebar)
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);
277 return GTK_MENU (menu);
281 popup_menu_cb (GtkWidget *treeview, EvSidebarLinks *sidebar)
283 GtkMenu *menu = build_popup_menu (sidebar);
285 gtk_menu_popup (menu, NULL, NULL,
286 ev_gui_menu_position_tree_selection,
287 sidebar->priv->tree_view, 0,
288 gtk_get_current_event_time ());
289 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
293 button_press_cb (GtkWidget *treeview,
294 GdkEventButton *event,
295 EvSidebarLinks *sidebar)
297 GtkTreePath *path = NULL;
299 if (event->button == 3) {
300 if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
305 gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview),
307 gtk_menu_popup (build_popup_menu (sidebar), NULL,
308 NULL, NULL, NULL, event->button,
309 gtk_get_current_event_time ());
310 gtk_tree_path_free (path);
321 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
323 EvSidebarLinksPrivate *priv;
325 GtkTreeViewColumn *column;
326 GtkCellRenderer *renderer;
327 GtkTreeSelection *selection;
328 GtkTreeModel *loading_model;
330 priv = ev_sidebar_links->priv;
332 swindow = gtk_scrolled_window_new (NULL, NULL);
334 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
335 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
336 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
339 /* Create tree view */
340 loading_model = create_loading_model ();
341 priv->tree_view = gtk_tree_view_new_with_model (loading_model);
342 g_object_unref (loading_model);
344 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
345 gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
346 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
347 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
349 gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
350 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
352 column = gtk_tree_view_column_new ();
353 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
354 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
356 renderer = (GtkCellRenderer*)
357 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
358 "ellipsize", PANGO_ELLIPSIZE_END,
360 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
361 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
362 "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
366 renderer = gtk_cell_renderer_text_new ();
367 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
368 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
369 (GtkTreeCellDataFunc) links_page_num_func,
370 ev_sidebar_links, NULL);
372 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
373 "button_press_event",
374 G_CALLBACK (button_press_cb),
376 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
378 G_CALLBACK (popup_menu_cb),
383 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
385 ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
387 ev_sidebar_links_construct (ev_sidebar_links);
391 links_page_num_func (GtkTreeViewColumn *tree_column,
392 GtkCellRenderer *cell,
393 GtkTreeModel *tree_model,
395 EvSidebarLinks *sidebar_links)
399 gtk_tree_model_get (tree_model, iter,
400 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
404 ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
408 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
409 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
412 "markup", page_string,
417 g_free (page_string);
425 /* Public Functions */
428 ev_sidebar_links_new (void)
430 GtkWidget *ev_sidebar_links;
432 ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
434 return ev_sidebar_links;
438 update_page_callback_foreach (GtkTreeModel *model,
443 EvSidebarLinks *sidebar_links = (data);
446 gtk_tree_model_get (model, iter,
447 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
450 if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
453 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
454 if (ev_link_get_page (link) == current_page) {
455 GtkTreeSelection *selection;
457 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
459 gtk_tree_selection_select_path (selection, path);
469 update_page_callback (EvPageCache *page_cache,
471 EvSidebarLinks *sidebar_links)
473 GtkTreeSelection *selection;
474 /* We go through the tree linearly looking for the first page that
475 * matches. This is pretty inefficient. We can do something neat with
476 * a GtkTreeModelSort here to make it faster, if it turns out to be
480 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
482 g_signal_handler_block (selection, sidebar_links->priv->selection_id);
483 g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
485 gtk_tree_selection_unselect_all (selection);
486 gtk_tree_model_foreach (sidebar_links->priv->model,
487 update_page_callback_foreach,
490 g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
491 g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
495 row_activated_callback (GtkTreeView *treeview,
497 GtkTreeViewColumn *arg2,
500 if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) {
501 gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1);
503 gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE);
510 job_finished_callback (EvJobLinks *job,
511 EvSidebarLinks *sidebar_links)
513 EvSidebarLinksPrivate *priv;
514 GtkTreeSelection *selection;
519 priv = sidebar_links->priv;
521 priv->model = g_object_ref (job->model);
522 g_object_notify (G_OBJECT (sidebar_links), "model");
524 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
525 g_object_unref (job);
528 /* Expand one level of the tree */
529 path = gtk_tree_path_new_first ();
530 for (result = gtk_tree_model_get_iter_first (priv->model, &iter);
532 result = gtk_tree_model_iter_next (priv->model, &iter)) {
533 gtk_tree_view_expand_row (GTK_TREE_VIEW (priv->tree_view), path, FALSE);
534 gtk_tree_path_next (path);
536 gtk_tree_path_free (path);
538 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
539 gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
540 priv->selection_id = g_signal_connect (selection, "changed",
541 G_CALLBACK (selection_changed_callback),
543 priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
544 G_CALLBACK (update_page_callback),
546 priv->row_activated_id = g_signal_connect (G_OBJECT (priv->tree_view), "row-activated",
547 G_CALLBACK (row_activated_callback), sidebar_links);
548 update_page_callback (priv->page_cache,
549 ev_page_cache_get_current_page (priv->page_cache),
555 ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
556 EvDocument *document)
558 EvSidebarLinks *sidebar_links;
559 EvSidebarLinksPrivate *priv;
561 g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
562 g_return_if_fail (EV_IS_DOCUMENT (document));
564 sidebar_links = EV_SIDEBAR_LINKS (sidebar_page);
566 priv = sidebar_links->priv;
568 if (priv->document) {
569 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
570 g_object_unref (priv->document);
573 priv->document = g_object_ref (document);
574 priv->page_cache = ev_document_get_page_cache (document);
577 g_signal_handlers_disconnect_by_func (priv->job,
578 job_finished_callback,
580 g_object_unref (priv->job);
583 priv->job = ev_job_links_new (document);
584 g_signal_connect (priv->job,
586 G_CALLBACK (job_finished_callback),
588 /* The priority doesn't matter for this job */
589 ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);
593 ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
594 EvDocument *document)
596 return (EV_IS_DOCUMENT_LINKS (document) &&
597 ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document)));
601 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
607 ev_sidebar_links_get_treeview (EvSidebarLinks *sidebar)
609 return sidebar->priv->tree_view;
613 ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface)
615 iface->support_document = ev_sidebar_links_support_document;
616 iface->set_document = ev_sidebar_links_set_document;
617 iface->get_label = ev_sidebar_links_get_label;