Make a middle click open items in a new instance

fastiv.c

@@ -265,13 +265,6 @@ on_next(void)
 	}
 }
 
-static void
-on_item_activated(G_GNUC_UNUSED FastivBrowser *browser, const char *path,
-	G_GNUC_UNUSED gpointer data)
-{
-	open(path);
-}
-
 static void
 spawn_path(const char *path)
 {
@@ -282,6 +275,16 @@ spawn_path(const char *path)
 	g_clear_error(&error);
 }
 
+static void
+on_item_activated(G_GNUC_UNUSED FastivBrowser *browser, const char *path,
+	GtkPlacesOpenFlags flags, G_GNUC_UNUSED gpointer data)
+{
+	if (flags == GTK_PLACES_OPEN_NEW_WINDOW)
+		spawn_path(path);
+	else
+		open(path);
+}
+
 static gboolean
 open_any_path(const char *path)
 {