public inbox for
 help / color / mirror / Atom feed
From: Marius Vollmer <>
To: Daniel Skarda <>
Cc: guile-gtk <>
Subject: Re: implementing guile-gtk drag & drop...
Date: Sun, 10 Nov 2002 12:57:00 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Daniel Skarda <> writes:

> > Using gtk_selection_data_copy/free seems to be the right thing to do.
> > Can you figure out why they made drag and drop fail?  Maybe there are
> > bugs in those functions that we can work around.
>   Unfortunately Gtk creates GtkSelectionData, invokes a handler and
> expects that you gtk_selection_data_set on data that Gtk passed to
> handler, not to its copy :-( See gtkselection.c.

Aha.  So gtk_selection_data_copy is useless and GtkSelectionData
should really be using reference counting, right?

In that case, we need a new kind of life-time management option in
guile-gtk: the Scheme value that represents a GtkSelectionData needs
to be invalidated when the real GtkSelectionData is freed.

We don't have such a mechanism currently, but it should not be that
difficult to add it.  Basically, sgtk_callback_marshal would need to
'destroy' the arguments of the callback when it has returned.

Any takers?

GPG: D5D4E405 - 2F9B BCCC 8527 692A 04E3  331E FAF8 226A D5D4 E405

      reply	other threads:[~2002-11-10 20:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-01  3:49 Stanislas Pinte
2002-11-03  7:03 ` Marius Vollmer
2002-11-05 16:20   ` Daniel Skarda
2002-11-06  0:58     ` Stan Pinte
2002-11-06  5:17       ` Daniel Skarda
2002-11-06  5:26         ` Stan Pinte
2002-11-09 10:56     ` Marius Vollmer
2002-11-10 12:20       ` Daniel Skarda
2002-11-10 12:57         ` Marius Vollmer [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).