diff --git a/src/gui_photon.c b/src/gui_photon.c
index 1a7288b..cdb5e15 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -1758,6 +1758,22 @@
     PtSetResource(sb->id, Pt_ARG_AREA, &area, 0);
 }
 
+    int
+gui_mch_get_scrollbar_xpadding(void)
+{
+    // TODO: Calculate the padding for adjust scrollbar position when the
+    // Window is maximized.
+    return 0;
+}
+
+    int
+gui_mch_get_scrollbar_ypadding(void)
+{
+    // TODO: Calculate the padding for adjust scrollbar position when the
+    // Window is maximized.
+    return 0;
+}
+
     void
 gui_mch_create_scrollbar(scrollbar_T *sb, int orient)
 {