[balsa/gtk4: 272/294] libbalsa: Allow NULL parent

[Peter Bloomfield <peterb src gnome org>]

commit 96206be5878853949365b470dbe0d2e16973ec31
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Nov 23 18:04:59 2020 -0500

    libbalsa: Allow NULL parent
    
    in libbalsa_popup_widget_new(). A GtkPopoverMenu that will be owned by a
    GtkMenuButton must not be parented.

 libbalsa/libbalsa.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/libbalsa/libbalsa.c b/libbalsa/libbalsa.c
index 650531e80..e397a9e2a 100644
--- a/libbalsa/libbalsa.c
+++ b/libbalsa/libbalsa.c
@@ -834,21 +834,27 @@ libbalsa_popup_widget_new(GtkWidget  *parent,
                           GMenuModel *model,
                           const char *action_namespace)
 {
-    GMenu *menu;
     GMenuItem *menu_item;
+    GMenu *menu;
     GtkWidget *popup_widget;
 
-    menu = g_menu_new();
     menu_item = g_menu_item_new(NULL, NULL);
     g_menu_item_set_attribute(menu_item, G_MENU_ATTRIBUTE_ACTION_NAMESPACE, "s", action_namespace);
     g_menu_item_set_link(menu_item, G_MENU_LINK_SECTION, model);
+
+    menu = g_menu_new();
     g_menu_append_item(menu, menu_item);
     g_object_unref(menu_item);
 
-    popup_widget = gtk_popover_menu_new_from_model_full(G_MENU_MODEL(menu), (GtkPopoverMenuFlags) 0);
+    popup_widget = gtk_popover_menu_new_from_model(G_MENU_MODEL(menu));
     g_object_unref(menu);
 
-    g_signal_connect(parent, "realize", G_CALLBACK(set_parent_cb), popup_widget);
+    if (parent != NULL) {
+        if (gtk_widget_get_realized(parent))
+            gtk_widget_set_parent(popup_widget, parent);
+        else
+            g_signal_connect(parent, "realize", G_CALLBACK(set_parent_cb), popup_widget);
+    }
 
     return popup_widget;
 }