[Glade-devel] [PATCH] Implement preview feature in glade-3

[tvb at gnome.org (Tristan Van Berkom)]

On Tue, Feb 26, 2008 at 6:33 PM, Vincent Geddes <vincent.geddes at gmail.com>
wrote:

> Hi!
>
> The patch seems to require a dependency on libglade. We don't want to
> use libglade in glade3 for various reasons. This library has also just
> been deprecated in favour of the new GtkBuilder API in GTK 2.10.


Hi,
    thanks for the interest Marco and also the comments Vincent.

About libglade and GtkBuilder, GtkBuilder is definitly more of a priority
but I'm not sure its healthy for us to work around it and make conversions
on a preview feature.

To make things a little more clear, while libglade is indeed being
depricated
in favour of new technology, libglade support in the Glade tool is still a
requirement for years to come since libglade will take a while to phase
out completely. So our goal is to load and save in both formats, in which
case
we should have a preview for projects that are libglade based and for
projects that are
GtkBuilder based.

Now, having libglade as a dependency for the tool is not such a bad thing,
although linking it into the executable has caused conflicts in the past,
also I
think it may be unwise to run a preview in the exec space of
glade/libgladeui,
as specially since it could be running from anjuta or another embedding app
(consider that libglade/gtkbuilder will be dlsym looking for callbacks
specified
in glade files, which shouldnt but may conflict with symbols in
glade/anjuta/other).
running previews in a separate execution space also eases the possibiliy of
adding themes/gtkrc files to the preview without effecting glade.

So, to recap the two big problems with this approach to preview feature are:
   - Should be running preview from its own main(), an executable that will
     alone be linking against libglade.
   - Needs to be implemented in libgladeui and not solely in glade-window.c
    (I think this should be a feature of glade-project.c, and used from the
frontend)
    otherwise the feature will not be available in anjuta or other
embedders.

Sorry if thats a bit vague and still needs some discussion

Cheers,
                  -Tristan
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