From: Christian Hergert <chergert@redhat.com>
Date: Tue, 28 Feb 2023 23:05:56 +0000 (-0800)
Subject: stack: clear accessible parent when removing child
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~6^2~18^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=40d4441fd85742837d85d8509dc89355d39a1cdc;p=gtk4.git

stack: clear accessible parent when removing child

Without this, the GtkStackPage may not reach a reference count of zero
and therefore will be leaked.

Fixes #5626
---

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 05364388a2..05ad60504b 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -1726,6 +1726,7 @@ stack_remove (GtkStack  *stack,
   if (priv->last_visible_child == child_info)
     priv->last_visible_child = NULL;
 
+  gtk_accessible_set_accessible_parent (GTK_ACCESSIBLE (child), NULL, NULL);
   gtk_widget_unparent (child);
 
   g_clear_object (&child_info->widget);