[shell] Add confirmation dialog on closing window when document has been modified

Form fields have been filled out or annots have been added/modified

diff --git a/shell/ev-window.c b/shell/ev-window.c
index 27adfb10ed15d07289184fb31b48b1d7470a4139..fac2a119748f8ff37bdb3c298e410863d32f31bd 100644 (file)
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -3366,6 +3366,91 @@ ev_window_cmd_file_properties (GtkAction *action, EvWindow *ev_window)
        ev_document_fc_mutex_unlock ();
 }
 
+static void
+document_modified_confirmation_dialog_response (GtkDialog *dialog,
+                                               gint       response,
+                                               EvWindow  *ev_window)
+{
+       gtk_widget_destroy (GTK_WIDGET (dialog));
+
+       switch (response) {
+       case GTK_RESPONSE_YES:
+               ev_window_cmd_save_as (NULL, ev_window);
+               break;
+       case GTK_RESPONSE_NO:
+               gtk_widget_destroy (GTK_WIDGET (ev_window));
+               break;
+       case GTK_RESPONSE_CANCEL:
+       default:
+               break;
+       }
+}
+
+static gboolean
+ev_window_check_document_modified (EvWindow *ev_window)
+{
+       EvDocument  *document = ev_window->priv->document;
+       GtkWidget   *dialog;
+       gchar       *text, *markup;
+       const gchar *secondary_text;
+
+       if (!document)
+               return FALSE;
+
+       if (EV_IS_DOCUMENT_FORMS (document) &&
+           ev_document_forms_document_is_modified (EV_DOCUMENT_FORMS (document))) {
+               secondary_text = _("Document contains form fields that have been filled out. "
+                                  "If you don't save a copy, changes will be permanently lost.");
+       } else if (EV_IS_DOCUMENT_ANNOTATIONS (document) &&
+                  ev_document_annotations_document_is_modified (EV_DOCUMENT_ANNOTATIONS (document))) {
+               secondary_text = _("Document contains new or modified annotations. "
+                                  "If you don't save a copy, changes will be permanently lost.");
+       } else {
+               return FALSE;
+       }
+
+
+       text = g_markup_printf_escaped (_("Save a copy of document “%s” before closing?"),
+                                       gtk_window_get_title (GTK_WINDOW (ev_window)));
+
+       dialog = gtk_message_dialog_new (GTK_WINDOW (ev_window),
+                                        GTK_DIALOG_MODAL,
+                                        GTK_MESSAGE_QUESTION,
+                                        GTK_BUTTONS_NONE,
+                                        NULL);
+
+       markup = g_strdup_printf ("<b>%s</b>", text);
+       g_free (text);
+
+       gtk_message_dialog_set_markup (GTK_MESSAGE_DIALOG (dialog), markup);
+       g_free (markup);
+
+       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+                                                 "%s", secondary_text);
+
+       gtk_dialog_add_buttons (GTK_DIALOG (dialog),
+                               _("Close _without Saving"),
+                               GTK_RESPONSE_NO,
+                               GTK_STOCK_CANCEL,
+                               GTK_RESPONSE_CANCEL,
+                               _("Save a _Copy"),
+                               GTK_RESPONSE_YES,
+                               NULL);
+       gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);
+        gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                                 GTK_RESPONSE_YES,
+                                                 GTK_RESPONSE_NO,
+                                                 GTK_RESPONSE_CANCEL,
+                                                 -1);
+
+       g_signal_connect (dialog, "response",
+                         G_CALLBACK (document_modified_confirmation_dialog_response),
+                         ev_window);
+       gtk_widget_show (dialog);
+
+       return TRUE;
+}
+
 static void
 print_jobs_confirmation_dialog_response (GtkDialog *dialog,
                                         gint       response,
@@ -3475,6 +3560,9 @@ ev_window_close (EvWindow *ev_window)
                ev_document_model_set_page (ev_window->priv->model, current_page);
        }
 
+       if (ev_window_check_document_modified (ev_window))
+               return FALSE;
+
        if (ev_window_check_print_queue (ev_window))
                return FALSE;