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->document) {
155 g_object_unref (sidebar->priv->document);
156 sidebar->priv->document = NULL;
157 sidebar->priv->page_cache = NULL;
161 G_OBJECT_CLASS (ev_sidebar_links_parent_class)->dispose (object);
165 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
167 GObjectClass *g_object_class;
169 g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
171 g_object_class->set_property = ev_sidebar_links_set_property;
172 g_object_class->get_property = ev_sidebar_links_get_property;
173 g_object_class->dispose = ev_sidebar_links_dispose;
175 g_object_class_install_property (g_object_class,
177 g_param_spec_object ("model",
182 g_object_class_override_property (g_object_class,
186 g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
190 selection_changed_callback (GtkTreeSelection *selection,
191 EvSidebarLinks *ev_sidebar_links)
193 EvDocument *document;
197 g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
199 document = EV_DOCUMENT (ev_sidebar_links->priv->document);
200 g_return_if_fail (ev_sidebar_links->priv->document != NULL);
202 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
205 gtk_tree_model_get (model, &iter,
206 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
212 g_signal_handler_block (ev_sidebar_links->priv->page_cache,
213 ev_sidebar_links->priv->page_changed_id);
214 /* FIXME: we should handle this better. This breaks w/ URLs */
215 ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link);
216 g_signal_handler_unblock (ev_sidebar_links->priv->page_cache,
217 ev_sidebar_links->priv->page_changed_id);
221 static GtkTreeModel *
222 create_loading_model (void)
224 GtkTreeModel *retval;
228 /* Creates a fake model to indicate that we're loading */
229 retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
234 gtk_list_store_append (GTK_LIST_STORE (retval), &iter);
235 markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>", _("Loading..."));
236 gtk_list_store_set (GTK_LIST_STORE (retval), &iter,
237 EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup,
238 EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE,
239 EV_DOCUMENT_LINKS_COLUMN_LINK, NULL,
247 print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar)
250 GtkTreeSelection *selection;
254 selection = gtk_tree_view_get_selection
255 (GTK_TREE_VIEW (sidebar->priv->tree_view));
257 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
259 int first_page, last_page;
261 gtk_tree_model_get (model, &iter,
262 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
264 first_page = ev_link_get_page (link) + 1;
266 if (gtk_tree_model_iter_next (model, &iter)) {
267 gtk_tree_model_get (model, &iter,
268 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
270 last_page = ev_link_get_page (link);
275 window = gtk_widget_get_toplevel (GTK_WIDGET (sidebar));
276 if (EV_IS_WINDOW (window)) {
277 ev_window_print_range (EV_WINDOW (window),
278 first_page, last_page);
284 build_popup_menu (EvSidebarLinks *sidebar)
289 menu = gtk_menu_new ();
290 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_PRINT, NULL);
291 gtk_label_set_label (GTK_LABEL (GTK_BIN (item)->child), _("Print..."));
292 gtk_widget_show (item);
293 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
294 g_signal_connect (item, "activate",
295 G_CALLBACK (print_section_cb), sidebar);
297 return GTK_MENU (menu);
301 popup_menu_cb (GtkWidget *treeview, EvSidebarLinks *sidebar)
303 GtkMenu *menu = build_popup_menu (sidebar);
305 gtk_menu_popup (menu, NULL, NULL,
306 ev_gui_menu_position_tree_selection,
307 sidebar->priv->tree_view, 0,
308 gtk_get_current_event_time ());
309 gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
313 button_press_cb (GtkWidget *treeview,
314 GdkEventButton *event,
315 EvSidebarLinks *sidebar)
317 GtkTreePath *path = NULL;
319 if (event->button == 3) {
320 if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
325 gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview),
327 gtk_menu_popup (build_popup_menu (sidebar), NULL,
328 NULL, NULL, NULL, event->button,
329 gtk_get_current_event_time ());
330 gtk_tree_path_free (path);
341 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
343 EvSidebarLinksPrivate *priv;
345 GtkTreeViewColumn *column;
346 GtkCellRenderer *renderer;
347 GtkTreeSelection *selection;
348 GtkTreeModel *loading_model;
350 priv = ev_sidebar_links->priv;
352 swindow = gtk_scrolled_window_new (NULL, NULL);
354 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
355 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
356 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
359 /* Create tree view */
360 loading_model = create_loading_model ();
361 priv->tree_view = gtk_tree_view_new_with_model (loading_model);
362 g_object_unref (loading_model);
364 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
365 gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
366 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
367 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
369 gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
370 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
372 column = gtk_tree_view_column_new ();
373 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
374 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
376 renderer = (GtkCellRenderer*)
377 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
378 "ellipsize", PANGO_ELLIPSIZE_END,
380 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
381 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
382 "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
386 renderer = gtk_cell_renderer_text_new ();
387 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
388 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
389 (GtkTreeCellDataFunc) links_page_num_func,
390 ev_sidebar_links, NULL);
392 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
393 "button_press_event",
394 G_CALLBACK (button_press_cb),
396 g_signal_connect (GTK_TREE_VIEW (priv->tree_view),
398 G_CALLBACK (popup_menu_cb),
403 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
405 ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
407 ev_sidebar_links_construct (ev_sidebar_links);
411 links_page_num_func (GtkTreeViewColumn *tree_column,
412 GtkCellRenderer *cell,
413 GtkTreeModel *tree_model,
415 EvSidebarLinks *sidebar_links)
419 gtk_tree_model_get (tree_model, iter,
420 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
424 ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
428 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
429 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
432 "markup", page_string,
437 g_free (page_string);
445 /* Public Functions */
448 ev_sidebar_links_new (void)
450 GtkWidget *ev_sidebar_links;
452 ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
454 return ev_sidebar_links;
458 update_page_callback_foreach (GtkTreeModel *model,
463 EvSidebarLinks *sidebar_links = (data);
466 gtk_tree_model_get (model, iter,
467 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
470 if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
473 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
474 if (ev_link_get_page (link) == current_page) {
475 GtkTreeSelection *selection;
477 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
479 gtk_tree_selection_select_path (selection, path);
489 update_page_callback (EvPageCache *page_cache,
491 EvSidebarLinks *sidebar_links)
493 GtkTreeSelection *selection;
494 /* We go through the tree linearly looking for the first page that
495 * matches. This is pretty inefficient. We can do something neat with
496 * a GtkTreeModelSort here to make it faster, if it turns out to be
500 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
502 g_signal_handler_block (selection, sidebar_links->priv->selection_id);
503 g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
505 gtk_tree_selection_unselect_all (selection);
506 gtk_tree_model_foreach (sidebar_links->priv->model,
507 update_page_callback_foreach,
510 g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
511 g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id);
515 row_activated_callback (GtkTreeView *treeview,
517 GtkTreeViewColumn *arg2,
520 if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) {
521 gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1);
523 gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE);
530 expand_open_links (GtkTreeView *tree_view, GtkTreeModel *model, GtkTreeIter *parent)
535 if (gtk_tree_model_iter_children (model, &iter, parent)) {
537 gtk_tree_model_get (model, &iter,
538 EV_DOCUMENT_LINKS_COLUMN_EXPAND, &expand,
543 path = gtk_tree_model_get_path (model, &iter);
544 gtk_tree_view_expand_row (tree_view, path, FALSE);
545 gtk_tree_path_free (path);
548 expand_open_links (tree_view, model, &iter);
549 } while (gtk_tree_model_iter_next (model, &iter));
554 job_finished_callback (EvJobLinks *job,
555 EvSidebarLinks *sidebar_links)
557 EvSidebarLinksPrivate *priv;
558 GtkTreeSelection *selection;
560 priv = sidebar_links->priv;
562 priv->model = g_object_ref (job->model);
563 g_object_notify (G_OBJECT (sidebar_links), "model");
565 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
566 g_object_unref (job);
569 expand_open_links (GTK_TREE_VIEW (priv->tree_view), priv->model, NULL);
571 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
572 gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
573 priv->selection_id = g_signal_connect (selection, "changed",
574 G_CALLBACK (selection_changed_callback),
576 priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
577 G_CALLBACK (update_page_callback),
579 priv->row_activated_id = g_signal_connect (G_OBJECT (priv->tree_view), "row-activated",
580 G_CALLBACK (row_activated_callback), sidebar_links);
581 update_page_callback (priv->page_cache,
582 ev_page_cache_get_current_page (priv->page_cache),
588 ev_sidebar_links_set_document (EvSidebarPage *sidebar_page,
589 EvDocument *document)
591 EvSidebarLinks *sidebar_links;
592 EvSidebarLinksPrivate *priv;
594 g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page));
595 g_return_if_fail (EV_IS_DOCUMENT (document));
597 sidebar_links = EV_SIDEBAR_LINKS (sidebar_page);
599 priv = sidebar_links->priv;
601 if (priv->document) {
602 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
603 g_object_unref (priv->document);
606 priv->document = g_object_ref (document);
607 priv->page_cache = ev_page_cache_get (document);
610 g_signal_handlers_disconnect_by_func (priv->job,
611 job_finished_callback,
613 g_object_unref (priv->job);
616 priv->job = ev_job_links_new (document);
617 g_signal_connect (priv->job,
619 G_CALLBACK (job_finished_callback),
621 /* The priority doesn't matter for this job */
622 ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);
626 ev_sidebar_links_support_document (EvSidebarPage *sidebar_page,
627 EvDocument *document)
629 return (EV_IS_DOCUMENT_LINKS (document) &&
630 ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document)));
634 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
640 ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface)
642 iface->support_document = ev_sidebar_links_support_document;
643 iface->set_document = ev_sidebar_links_set_document;
644 iface->get_label = ev_sidebar_links_get_label;