Reflect that new list of files changes the layout

Also, improve error messages when opening a file fails.

fastiv-browser.c

@@ -529,5 +529,5 @@ fastiv_browser_load(FastivBrowser *self, const char *path)
 	g_dir_close(dir);
 
 	// TODO(p): Sort the entries.
-	gtk_widget_queue_draw(GTK_WIDGET(self));
+	gtk_widget_queue_resize(GTK_WIDGET(self));
 }

fastiv.c

@@ -145,10 +145,14 @@ open(const gchar *path)
 
 	GError *error = NULL;
 	if (!fastiv_view_open(FASTIV_VIEW(g.view), path, &error)) {
+		char *base = g_filename_display_basename(path);
+		g_prefix_error(&error, "%s: ", base);
 		show_error_dialog(error);
+		g_free(base);
 		return;
 	}
 
+	gtk_recent_manager_add_item(gtk_recent_manager_get_default(), path);
 	gtk_window_set_title(GTK_WINDOW(g.window), path);
 	gtk_stack_set_visible_child(GTK_STACK(g.stack), g.view_scroller);
 
@@ -253,6 +257,14 @@ on_key_press(G_GNUC_UNUSED GtkWidget *widget, GdkEvent *event,
 		case GDK_KEY_o:
 			on_open();
 			return TRUE;
+		case GDK_KEY_n: {
+			char *argv[] = {PROJECT_NAME, g.directory, NULL};
+			GError *error = NULL;
+			g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
+				NULL, &error);
+			g_clear_error(&error);
+			return TRUE;
+		}
 		}
 		break;
 	case 0: