old g_param_spec_interface

[<cole-anstey ntlworld com>]

I'm curious to find out whether anyone remembers why g_param_spec_interface was added to
v1.10 gparamspecs.c - Mon Mar  5 15:26:30 2001  Jonathan Blandford

and then removed almost straight away?
v1.11 gparamspecs.c - Wed Mar  7 09:36:33 2001  Tim Janik

I'm trying to pass an interface to a g_param_spec and would like it to do a type check against a given interface.
I think the above api would have allowed this.

I have tried using g_param_spec_object but it displays the following assertion.

(libgdl.exe:3272): GLib-GObject-CRITICAL **: g_param_spec_object: assertion `g_type_is_a (object_type, G_TYPE_OBJECT)' failed

(libgdl.exe:3272): GLib-GObject-CRITICAL **: g_object_class_install_property: assertion `G_IS_PARAM_SPEC (pspec)' failed

I have been using g_param_pointer to get around this but it obviously does not check for a specific type.

Thank you
Cole


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