Keep compatible with Wayland

xid and disp are not needed by Wayland instead of only by X server.

diff --git a/src/ug.c b/src/ug.c
index 2aaba2d..05e62ec 100755 (executable)
--- a/src/ug.c
+++ b/src/ug.c
@@ -90,10 +90,14 @@ UG_API ui_gadget_h ug_create(ui_gadget_h parent,
 
 UG_API int ug_init(Display *disp, Window xid, void *win, enum ug_option opt)
 {
-       if (!win || !xid || !disp) {
+       /* XXX Start Hooks for Wayland */
+       char *d = getenv("DISPLAY");
+        /* xid and disp are not needed by wayland instead of only by X.*/
+       if (!win || (d && (!xid || !disp))) {
                _ERR("ug_init() failed: Invalid arguments\n");
                return -1;
        }
+       /* XXX End Hooks for Wayland */
 
        if (opt < UG_OPT_INDICATOR_ENABLE || opt >= UG_OPT_MAX) {
                _ERR("ug_init() failed: Invalid option\n");