Bug#991468: Patch for Glade: Bug #991468

[Osamu Aoki]

Hi,

This worked for me.

OsamuFrom 423bd0120bd4ddaa9d511282fbdd11be3c088336 Mon Sep 17 00:00:00 2001
From: Osamu Aoki <osamu at debian.org>
Date: Wed, 28 Jul 2021 12:30:50 +0900
Subject: [PATCH] Drop overzealous check using only the first child

Signed-off-by: Osamu Aoki <osamu at debian.org>
---
 plugins/gtk+/glade-gtk-container.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/plugins/gtk+/glade-gtk-container.c b/plugins/gtk+/glade-gtk-container.c
index b11d5059..c1cfbe3a 100644
--- a/plugins/gtk+/glade-gtk-container.c
+++ b/plugins/gtk+/glade-gtk-container.c
@@ -83,11 +83,10 @@ glade_gtk_container_add_verify (GladeWidgetAdaptor *adaptor,
       return FALSE;
     }
   else if (GLADE_WIDGET_ADAPTOR_USE_PLACEHOLDERS (adaptor) &&
-           /* Special case GtkBin since Windows can hace a placeholder in the
titlebar */
-           ((GTK_IS_BIN (container) &&
-             (bin_child = gtk_bin_get_child (GTK_BIN (container))) &&
-              !GLADE_IS_PLACEHOLDER(bin_child)) ||
-            glade_util_count_placeholders (gwidget) == 0))
+           /* Special case GtkBin since Windows can have a placeholder in the
titlebar */
+           /* Checking only on the first child is bad idea: gtk_bin_get_child
(GTK_BIN (container))  */
+           /* Checking with glade_util_count_placeholders recursively should be
sufficient */
+           ( glade_util_count_placeholders (gwidget) == 0))
     {
       if (user_feedback)
         glade_util_ui_message (glade_app_get_window (),
-- 
2.30.2