Re: g_object_new() and g++

["Michal 'Gleba' Ziemski" <gtk roo k pl>]

----- Original Message -----
From: "Adrian Immler" <a immler 12mm de>
To: <gtk-app-devel-list gnome org>
Sent: Saturday, January 25, 2003 7:46 PM
Subject: Re: g_object_new() and g++


> i'm sorry for today but one last question:
>
> i have problems with the g_signal_connect() again. the following
error/warning message appears:
> In Constructor `browser::browser()`:
> no matches converting function `query` to type `void(*)()`
> candidates are: void browser::query(void*, void*)
>
> i get the same error when using the other g_signal_connect() line
commented out below.
> whats wrong here ?
>
>
>
>
> class browser{
>  public:
>   browser();
>   void query( gpointer nothing, gpointer tse );
>  //some more
> };

First of all if you put query as a method in browser its type would actually
be:
void (*)(browser*, gpointer, gpointer) which I belive would mess up a lot of
things.
You should probaby declate it as "friend"
class browser {
...
friend void query(...)
};

then write the code
void query (..)
{
}

and then connect
g_signal_connect(GTK_WIDGET(submit), "clicked", G_CALLBACK(query), NULL );

I hope it would work.
sorry I can't check it for sure right now, but I have an awfull lot of work
pending :(

Good luck!
Michal "Gleba" Ziemski

> void browser::query( gpointer nothing, gpointer tse ){
>   //do something
> }
>
> browser::browser(){
>   //do something else
>   g_signal_connect(GTK_WIDGET(submit), "clicked",
G_CALLBACK(this->browser::query), NULL );
> //  g_signal_connect(GTK_WIDGET(submit), "clicked", G_CALLBACK(query),
NULL );
> }
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