listbox: Add _append

To have easy replacement API for gtk_container_add.

docs/reference/gtk/gtk4-sections.txt

@@ -257,6 +257,7 @@ GtkListBoxUpdateHeaderFunc
 
 gtk_list_box_new
 gtk_list_box_prepend
+gtk_list_box_append
 gtk_list_box_insert
 gtk_list_box_remove
 gtk_list_box_select_row

gtk/gtklistbox.c

@@ -2584,6 +2584,22 @@ gtk_list_box_prepend (GtkListBox *box,
   gtk_list_box_insert (box, child, 0);
 }
 
+/**
+ * gtk_list_box_append:
+ * @box: a #GtkListBox
+ * @child: the #GtkWidget to add
+ *
+ * Append a widget to the list. If a sort function is set, the widget will
+ * actually be inserted at the calculated position and this function has the
+ * same effect of gtk_container_add().
+ */
+void
+gtk_list_box_append (GtkListBox *box,
+                     GtkWidget  *child)
+{
+  gtk_list_box_insert (box, child, -1);
+}
+
 /**
  * gtk_list_box_insert:
  * @box: a #GtkListBox

gtk/gtklistbox.h

@@ -168,6 +168,9 @@ GDK_AVAILABLE_IN_ALL
 void           gtk_list_box_prepend                      (GtkListBox                    *box,
                                                           GtkWidget                     *child);
 GDK_AVAILABLE_IN_ALL
+void           gtk_list_box_append                       (GtkListBox                    *box,
+                                                          GtkWidget                     *child);
+GDK_AVAILABLE_IN_ALL
 void           gtk_list_box_insert                       (GtkListBox                    *box,
                                                           GtkWidget                     *child,
                                                           int                            position);