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Subject: Re: GtkAda callback and event
Newsgroups: comp.lang.ada
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From: DrPi <314@drpi.fr>
Date: Sun, 5 Sep 2021 16:58:57 +0200
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Le 05/09/2021 à 16:48, Dmitry A. Kazakov a écrit :
> On 2021-09-05 15:50, DrPi wrote:
>> Le 05/09/2021 à 00:29, Dmitry A. Kazakov a écrit :
> 
>> With "Gtk.Arguments.Unchecked_To_Gdk_Event_Motion (Params, 1);" , I 
>> get an error :
>> expected private type "C_GValues" defined at glib-values.ads:53
>> found private type "GValues" defined at glib-values.ads:48
> 
> I see, then you must to implement it yourself. It could be something 
> like this (not tested):
> 
>     package Conversions is
>        new System.Address_To_Access_Conversions (Gdk_Event_Motion);
> 
>     Event : Gdk_Event_Motion renames
>             Conversions.To_Pointer (Get_Address (Nth (Params, 1))).all;
> 

So, Gtk.Arguments.Unchecked_To_Gdk_Event_Motion is useless ?