From ec9f41f1abf741bcb14ff14217d9686528c6eb48 Mon Sep 17 00:00:00 2001
From: Xavier Del Campo Romero <xavi.dcr@tutanota.com>
Date: Sat, 2 Jul 2022 00:45:51 +0200
Subject: gui: allow custom add_child callback

---
 src/gui/inc/gui.h | 1 +
 src/gui/src/gui.c | 3 +++
 2 files changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/gui/inc/gui.h b/src/gui/inc/gui.h
index 6678b1b..7198af0 100644
--- a/src/gui/inc/gui.h
+++ b/src/gui/inc/gui.h
@@ -12,6 +12,7 @@ extern "C"
 
 struct gui_common
 {
+    void (*add_child)(struct gui_common *parent, struct gui_common *child);
     int (*update)(struct gui_common *, const union peripheral *,
         const struct camera *);
     int (*render)(const struct gui_common *);
diff --git a/src/gui/src/gui.c b/src/gui/src/gui.c
index 0a937f2..99701f1 100644
--- a/src/gui/src/gui.c
+++ b/src/gui/src/gui.c
@@ -69,6 +69,9 @@ void gui_add_child(struct gui_common *const p,
         p->child = c;
 
     c->parent = p;
+
+    if (p->add_child)
+        p->add_child(p, c);
 }
 
 int gui_update(struct gui_common *const g, const union peripheral *const p,
-- 
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