From 2a5f09e239d8fe6de28946922ebe5169c9c453be Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Wed, 8 Apr 2026 23:54:05 +0200
Subject: [PATCH] gui2: added OBJ_CountDirectChildren

---
 avr/modules/lcd2/gui2/base/object.asm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/avr/modules/lcd2/gui2/base/object.asm b/avr/modules/lcd2/gui2/base/object.asm
index bb8828a..ad7c304 100644
--- a/avr/modules/lcd2/gui2/base/object.asm
+++ b/avr/modules/lcd2/gui2/base/object.asm
@@ -1008,6 +1008,30 @@ objGetPredecessor_ret:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine OBJ_CountDirectChildren @global
+;
+; @param Y address of object whose children are to be counted
+; @return r16 number of direct children
+; @clobbers r18, r19
+
+OBJ_CountDirectChildren:
+  push yl
+    push yh
+      clr r16
+      rcall OBJ_GetFirstChild
+OBJ_CountDirectChildren_loop:
+        brcc OBJ_CountDirectChildren_done
+        inc r16
+        mov yl, r18
+        mov yh, r19
+        rcall OBJ_GetNext
+      rjmp OBJ_CountDirectChildren_loop
+OBJ_CountDirectChildren_done:
+    pop yh
+  pop yl
+  ret
+; @end