RE: [boost] Re: Java style GUI in C++

From: Reece Dunn (msclrhd_at_[hidden])
Date: 2004-08-26 05:11:36

Ralf W. Grosse-Kunstleve wrote:
>--- Reece Dunn <msclrhd_at_[hidden]> wrote:
> > Thus, in Java Swing-style C++, you can do something like:
> >
> >    boost::gui::frame * main = new boost::gui::frame( "My GUI App" );
> >    frame -> set_pane( new boost::gui::button( "PUSH" ));
> >    frame -> set_size( 500, 400 );
> >    frame -> show();
> >
> >    boost::gui::message_loop msg;
> >    return msg.execute();
>
>How does main get deallocated here?

Oops :)

>I am very surprised to see "new" and raw pointers in a library designed 
>from
>scratch. Manual lifetime management is going to lead to a lot of clutter,
>memory leaks, and is incompatible with exception handling. A system based 
>on
>smart pointers like boost::shared_ptr and reference-counted container types 
>is
>essential IMO.

The library currently uses reference counted types to manage allocated 
types. I understand the use of smart pointers and agree that it is 
essential. I was just using this example as a guideline.

Regsrds,
Reece

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