[MPlayer-G2-dev] Developing a GTK2 GUI
Gustavo Sverzut Barbieri
gsbarbieri at yahoo.com.br
Sat Aug 2 21:47:49 CEST 2003
Wouldn't be easier if we use something like libglade to design the ui?
I mean, it's good to have a window builder, but they can become ugly
and non functional at a certain point, if no layout info is provided to
However, putting too much layout info in mplayer's config would bloat
What about have a window builder that constructs glade's xml and then
one could go there and manually tweak the look.
Mplayer gtk ui could be as easy as calling libglade!
But, there comes a problem: how to keep track from human (manual)
interventions? Maybe the window builder could try to keep the old
layout (and maybe learn with it). Maybe we could keep the manual
changes as patches and apply it over and over (ugly, but easier).
PS: IMHO grouping is something that could be in mplayer config struct,
and with that we can get a almost good GUI. Maybe just on releases we
can tweak the xml, so things would be better layed out.
--- Charles Ezell <ardneh2 at hotmail.com> escreveu: > Arpi writes:
> >The G2 'design' is about complete separation of core libraries from
> the UI
> >code (be it commandline or Gui or browser plugin or whatever).
> >In G2, teh new config layer (see cfg.h) exports some usefull info,
> like the
> >short name/description of options, and a more controlled, limited
> set of
> >values (like using drop-down lists, min/max limited numbers etc, can
> >mapped to Gui's combo boxes, bars etc). I think, a runtime 'window
> >should be developed,
> I was hoping you would say something like that.
> >This code then could be used to generate the control window for
> >codecs, output drivers etc. (all kinds of plugins/modules in libs)
> >Yes, I know it's a big work.
> I don't mind hard work as long as there is a point. :)
> Creating the preferences was the thing I was dreading above all else
> because it is such high maintenance code (in this case).
> This will make things much better / easier in the long run.
> >don't have to know Gui programming, and can use any (g)ui (be it
> gtk, qt,
> >win32, aqua, osd menu or anything) immediatelly to control it.
> >also it have to be written only once, and every new code can use it
> >the needs to extending gui),
> Do you mean one for each toolkit that wants to write a UI? Or just
> builder for all toolkits?
> >the needs to extending gui), but it has some disadvantages too,
> >may look worse, than a well-designed control window (although we
> >extend the config struct with gui-helper data, like position inside
> >window or grouping of options, if really required).
> The most I think you would need is grouping info. I do not see being
> to represent
> positions usefully/accurately for different toolkits / GUIs. I've
> got a
> couple of ideas for
> implementing grouping. I will send them later.
> As for looks, we'll see when we get there. As long as there are not
> items on a page it should look OK (it will depend on how smart the
> builder is).
> >So, what a GUI should do (imho):
> >- handle file selection (open) and playlists (or even better:
> > i mean some playlist formats (including reference .mov files etc)
> > support tree of files, and multiple (different bitrate, language
> > alternatives os same contents. it would be nice if the gui could
> > this and let the user to select from such tree.
> > (note the metadata export from stream layer is not yet coded, it's
> > to export cdda/cddb tracklists, dvd title/chapter structure etc)
> Agreed. I looked at the playtrees in G1 and was wondering why they
> were not
> used by the GUI.
> >- do window management for video window too, including fullscreen
> > setting title, always-on-top and such attributes... you should
> > (it can be done in x11-util.c too, but i was told that in gui
> 'mode' it
> > must be done by the gui, to be able to swap gui and video windows
> > overlapping or so.)
> The less X code the better. Still, I'm sure there is code that can
> be used
> by everyone
> (using X) and it will be handy to have it in one place. I have to
> look into
> it more.
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