Updated traditional Chinese translation from GNOME HK Team

[evince.git] / shell / ev-window.c

diff --git a/shell/ev-window.c b/shell/ev-window.c
index f1c41bb793700b018b79386e7772519b39fc2578..9990f61144cf390abfb877b47bc32ee1908a01f7 100644 (file)
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -41,6 +41,7 @@
 #include "ev-document-links.h"
 #include "ev-document-find.h"
 #include "ev-document-security.h"
+#include "ev-job-queue.h"
 #include "eggfindbar.h"
 
 #include "pdf-document.h"
@@ -106,6 +107,7 @@ struct _EvWindowPrivate {
        char *uri;
 
        EvDocument *document;
+       EvPageCache *page_cache;
 
        EvWindowPageMode page_mode;
        /* These members are used temporarily when in PAGE_MODE_PASSWORD */
@@ -168,7 +170,6 @@ update_action_sensitivity (EvWindow *ev_window)
 
        document = ev_window->priv->document;
        page_mode = ev_window->priv->page_mode;
-
        view = EV_VIEW (ev_window->priv->view);
 
        /* File menu */
@@ -198,14 +199,13 @@ update_action_sensitivity (EvWindow *ev_window)
        if (document) {
                int n_pages;
                int page;
+               page = ev_page_cache_get_current_page (ev_window->priv->page_cache);
+               n_pages = ev_page_cache_get_n_pages (ev_window->priv->page_cache);
 
-               page = ev_view_get_page (EV_VIEW (ev_window->priv->view));
-               n_pages = ev_document_get_n_pages (document);
-
-               set_action_sensitive (ev_window, "GoPreviousPage", page > 1);
-               set_action_sensitive (ev_window, "GoNextPage", page < n_pages);
-               set_action_sensitive (ev_window, "GoFirstPage", page > 1);
-               set_action_sensitive (ev_window, "GoLastPage", page < n_pages);
+               set_action_sensitive (ev_window, "GoPreviousPage", page > 0);
+               set_action_sensitive (ev_window, "GoNextPage", page < n_pages - 1);
+               set_action_sensitive (ev_window, "GoFirstPage", page > 0);
+               set_action_sensitive (ev_window, "GoLastPage", page < n_pages - 1);
        } else {
                set_action_sensitive (ev_window, "GoFirstPage", FALSE);
                set_action_sensitive (ev_window, "GoPreviousPage", FALSE);
@@ -347,7 +347,8 @@ update_sizing_buttons (EvWindow *window)
 void
 ev_window_open_page (EvWindow *ev_window, int page)
 {
-       ev_view_set_page (EV_VIEW (ev_window->priv->view), page);
+       if (ev_window->priv->page_cache)
+               ev_page_cache_set_current_page (ev_window->priv->page_cache, page);
 }
 
 void
@@ -427,9 +428,8 @@ update_window_title (EvDocument *document, GParamSpec *pspec, EvWindow *ev_windo
        gboolean password_needed;
 
        password_needed = (ev_window->priv->password_document != NULL);
-
        if (document) {
-               doc_title = ev_document_get_title (document);
+               doc_title = ev_page_cache_get_title (ev_window->priv->page_cache);
 
                /* Make sure we get a valid title back */
                if (doc_title) {
@@ -479,24 +479,12 @@ update_window_title (EvDocument *document, GParamSpec *pspec, EvWindow *ev_windo
        g_free (title);
 }
 
-static void
-update_total_pages (EvWindow *ev_window)
-{
-       GtkAction *action;
-       int pages;
-
-       pages = ev_document_get_n_pages (ev_window->priv->document);
-       action = gtk_action_group_get_action
-               (ev_window->priv->action_group, PAGE_SELECTOR_ACTION);
-       ev_page_action_set_total_pages (EV_PAGE_ACTION (action), pages);
-}
-
 /* This function assumes that ev_window just had ev_window->document set.
  */
 static gboolean
 document_supports_sidebar (EvDocument *document)
 {
-       return (EV_IS_DOCUMENT_THUMBNAILS (document) && EV_IS_DOCUMENT_LINKS (document));
+       return (EV_IS_DOCUMENT_THUMBNAILS (document) && (EV_IS_DOCUMENT_LINKS (document)));
 }
 
 static void
@@ -514,14 +502,26 @@ hide_sidebar_and_actions (EvWindow *ev_window)
 
 }
 
+static void
+page_changed_cb (EvPageCache *page_cache,
+                gint         page,
+                EvWindow    *ev_window)
+{
+       update_action_sensitivity (ev_window);
+}
+
+
 static void
 ev_window_setup_document (EvWindow *ev_window)
 {
        EvDocument *document;
        EvView *view = EV_VIEW (ev_window->priv->view);
        EvSidebar *sidebar = EV_SIDEBAR (ev_window->priv->sidebar);
+       GtkAction *action;
 
        document = ev_window->priv->document;
+       ev_window->priv->page_cache = ev_document_get_page_cache (ev_window->priv->document);
+       g_signal_connect (ev_window->priv->page_cache, "page-changed", G_CALLBACK (page_changed_cb), ev_window);
 
        g_signal_connect_object (G_OBJECT (document),
                                 "notify::title",
@@ -534,10 +534,12 @@ ev_window_setup_document (EvWindow *ev_window)
                ev_sidebar_set_document (sidebar, document);
        else
                hide_sidebar_and_actions (ev_window);
+
        ev_view_set_document (view, document);
 
        update_window_title (document, NULL, ev_window);
-       update_total_pages (ev_window);
+       action = gtk_action_group_get_action (ev_window->priv->action_group, PAGE_SELECTOR_ACTION);
+       ev_page_action_set_document (EV_PAGE_ACTION (action), document);
        update_action_sensitivity (ev_window);
 }
 
@@ -553,9 +555,12 @@ password_dialog_response (GtkWidget *password_dialog,
                gchar *uri;
 
                password = ev_password_dialog_get_password (password_dialog);
-               if (password)
+               if (password) {
+                       g_mutex_lock (EV_DOC_MUTEX);
                        ev_document_security_set_password (EV_DOCUMENT_SECURITY (ev_window->priv->password_document),
                                                           password);
+                       g_mutex_unlock (EV_DOC_MUTEX);
+               }
                g_free (password);
 
                document = ev_window->priv->password_document;
@@ -856,6 +861,7 @@ ev_window_cmd_save_as (GtkAction *action, EvWindow *ev_window)
        GtkWidget *fc;
        GtkFileFilter *pdf_filter, *all_filter;
        gchar *uri = NULL;
+       gboolean success;
 
        fc = gtk_file_chooser_dialog_new (
                _("Save a Copy"),
@@ -888,8 +894,12 @@ ev_window_cmd_save_as (GtkAction *action, EvWindow *ev_window)
                    !overwrite_existing_file (GTK_WINDOW (fc), uri))
                                continue;
 */
+               
+               g_mutex_lock (EV_DOC_MUTEX);
+               success = ev_document_save (ev_window->priv->document, uri, NULL);
+               g_mutex_unlock (EV_DOC_MUTEX);
 
-               if (ev_document_save (ev_window->priv->document, uri, NULL))
+               if (success)
                        break;
                else
                        save_error_dialog (GTK_WINDOW (fc), uri);
@@ -936,7 +946,7 @@ ev_window_print (EvWindow *ev_window)
        config = gnome_print_config_default ();
        job = gnome_print_job_new (config);
 
-       print_dialog = gnome_print_dialog_new (job, _("Print"),
+       print_dialog = gnome_print_dialog_new (job, (guchar *) _("Print"),
                                               (GNOME_PRINT_DIALOG_RANGE |
                                                GNOME_PRINT_DIALOG_COPIES));
        gtk_dialog_set_response_sensitive (GTK_DIALOG (print_dialog),
@@ -964,7 +974,7 @@ ev_window_print (EvWindow *ev_window)
                                GTK_MESSAGE_DIALOG (dialog),
                                _("You were trying to print to a printer using the \"%s\" driver. This program requires a PostScript printer driver."),
                                gnome_print_config_get (
-                                       config, "Settings.Engine.Backend.Driver"));
+                                       config, (guchar *)"Settings.Engine.Backend.Driver"));
                        gtk_dialog_run (GTK_DIALOG (dialog));
                        gtk_widget_destroy (dialog);
 
@@ -1465,8 +1475,7 @@ ev_window_cmd_go_previous_page (GtkAction *action, EvWindow *ev_window)
 {
         g_return_if_fail (EV_IS_WINDOW (ev_window));
 
-       ev_view_set_page (EV_VIEW (ev_window->priv->view),
-                         ev_view_get_page (EV_VIEW (ev_window->priv->view)) - 1);
+       ev_page_cache_prev_page (ev_window->priv->page_cache);
 }
 
 static void
@@ -1474,8 +1483,7 @@ ev_window_cmd_go_next_page (GtkAction *action, EvWindow *ev_window)
 {
         g_return_if_fail (EV_IS_WINDOW (ev_window));
 
-       ev_view_set_page (EV_VIEW (ev_window->priv->view),
-                         ev_view_get_page (EV_VIEW (ev_window->priv->view)) + 1);
+       ev_page_cache_next_page (ev_window->priv->page_cache);
 }
 
 static void
@@ -1483,15 +1491,18 @@ ev_window_cmd_go_first_page (GtkAction *action, EvWindow *ev_window)
 {
         g_return_if_fail (EV_IS_WINDOW (ev_window));
 
-       ev_view_set_page (EV_VIEW (ev_window->priv->view), 1);
+       ev_page_cache_set_current_page (ev_window->priv->page_cache, 1);
 }
 
 static void
 ev_window_cmd_go_last_page (GtkAction *action, EvWindow *ev_window)
 {
+       int n_pages;
+
         g_return_if_fail (EV_IS_WINDOW (ev_window));
 
-       ev_view_set_page (EV_VIEW (ev_window->priv->view), G_MAXINT);
+       n_pages = ev_page_cache_get_n_pages (ev_window->priv->page_cache);
+       ev_page_cache_set_current_page (ev_window->priv->page_cache, n_pages);
 }
 
 static void
@@ -1502,7 +1513,12 @@ ev_window_cmd_view_reload (GtkAction *action, EvWindow *ev_window)
 
        g_return_if_fail (EV_IS_WINDOW (ev_window));
 
-       page = ev_document_get_page (ev_window->priv->document);
+#if 0
+       /* FIXME: uncomment when this is written.*/
+       page = ev_page_cache_get_page (ev_window->priv->page_cache);
+#else
+       page = 1;
+#endif
        uri = g_strdup (ev_window->priv->uri);
 
        ev_window_open (ev_window, uri);
@@ -1766,32 +1782,6 @@ disconnect_proxy_cb (GtkUIManager *ui_manager, GtkAction *action,
        }
 }
 
-static void
-update_current_page (EvWindow *ev_window,
-                    EvView   *view)
-{
-       int page;
-       GtkAction *action;
-       EvSidebarThumbnails *thumbs;
-
-       thumbs = EV_SIDEBAR_THUMBNAILS (ev_window->priv->thumbs_sidebar);
-       ev_sidebar_thumbnails_select_page (thumbs, ev_view_get_page (view));
-
-       action = gtk_action_group_get_action
-               (ev_window->priv->action_group, PAGE_SELECTOR_ACTION);
-
-       page = ev_view_get_page (EV_VIEW (ev_window->priv->view));
-       ev_page_action_set_current_page (EV_PAGE_ACTION (action), page);
-}
-
-static void
-view_page_changed_cb (EvView   *view,
-                     EvWindow *ev_window)
-{
-       update_current_page (ev_window, view);
-       update_action_sensitivity (ev_window);
-}
-
 static void
 view_status_changed_cb (EvView     *view,
                        GParamSpec *pspec,
@@ -1885,9 +1875,14 @@ find_bar_search_changed_cb (EggFindBar *find_bar,
        if (ev_window->priv->document &&
            EV_IS_DOCUMENT_FIND (ev_window->priv->document)) {
                if (visible && search_string) {
+                       g_mutex_lock (EV_DOC_MUTEX);
                        ev_document_find_begin (EV_DOCUMENT_FIND (ev_window->priv->document), search_string, case_sensitive);
+                       g_mutex_unlock (EV_DOC_MUTEX);
                } else {
+                       g_mutex_lock (EV_DOC_MUTEX);
                        ev_document_find_cancel (EV_DOCUMENT_FIND (ev_window->priv->document));
+                       g_mutex_unlock (EV_DOC_MUTEX);
+
                        egg_find_bar_set_status_text (EGG_FIND_BAR (ev_window->priv->find_bar),
                                                      NULL);
                        gtk_widget_queue_draw (GTK_WIDGET (ev_window->priv->view));
@@ -2063,16 +2058,6 @@ static GtkRadioActionEntry page_view_entries[] = {
          PAGE_MODE_CONTINUOUS_PAGE }
 };
 
-static void
-goto_page_cb (GtkAction *action, int page_number, EvWindow *ev_window)
-{
-       EvView *view = EV_VIEW (ev_window->priv->view);
-
-       if (ev_view_get_page (view) != page_number) {
-               ev_view_set_page (view, page_number);
-       }
-}
-
 static void
 drag_data_received_cb (GtkWidget *widget, GdkDragContext *context,
                       gint x, gint y, GtkSelectionData *selection_data,
@@ -2101,8 +2086,6 @@ register_custom_actions (EvWindow *window, GtkActionGroup *group)
                               "label", _("Page"),
                               "tooltip", _("Select Page"),
                               NULL);
-       g_signal_connect (action, "goto_page",
-                         G_CALLBACK (goto_page_cb), window);
        gtk_action_group_add_action (group, action);
        g_object_unref (action);
 }
@@ -2352,10 +2335,6 @@ ev_window_init (EvWindow *ev_window)
 
        gtk_container_add (GTK_CONTAINER (ev_window->priv->scrolled_window),
                           ev_window->priv->view);
-       g_signal_connect (ev_window->priv->view,
-                         "page-changed",
-                         G_CALLBACK (view_page_changed_cb),
-                         ev_window);
        g_signal_connect (ev_window->priv->view,
                          "notify::find-status",
                          G_CALLBACK (view_find_status_changed_cb),