[PD-dev] How to use sys_startgui()?

[Pierre Guillot]

Thanks! I'll have a look when the modifications will be on the GitHub
repository.

2017-07-16 3:32 GMT+02:00 Miller Puckette <msp at ucsd.edu>:

> Anyhow I just pushed a fix so that functions like sys_fontwidth() never
> report less than one pixel - this should get rid of divides by zero
> without having to call sys_fakefromgui().
>
> cheers
> M
>
> On Sat, Jul 15, 2017 at 10:56:09PM +0200, Pierre Guillot wrote:
> > Yes, I think that's the first case but I surely need to better understand
> > this part of the code. In fact, I have no idea what is considered as part
> > of the GUI or not... I mean, in my case, I don't really have a graphical
> > interface but I would like to get the informations of the objects that
> > depends on the font sizes. If I don't call sys_fakefromgui(), I get a
> > division by zero somewhere because the font sizes are not initialized
> (and
> > perhaps there are other errors but I don't reach these parts of the
> code).
> > Anyway with the previous version of Pd I didn't have to call this
> function
> > so didn't really look at that but now I would like to know what it really
> > does and if there is a proper way to initialize this part of Pd.
> >
> > Thanks!
> > Pierre
> >
> >
> > 2017-07-15 19:36 GMT+02:00 Miller Puckette <msp at ucsd.edu>:
> >
> > > Do I understand correctly that you're trying to run libpd _without_ the
> > > GUI and discovering that you have to copy code from sys_fakefromgui()
> to
> > > get it to work?
> > >
> > > Or, rather, are you actually trying to start the GUI up and need to
> know
> > > the path to the GUI files?
> > >
> > > In the latter case, I was tacitly assuming that people distributing
> libpd
> > > apps that wanted to be able to use Pd's GUI would bundle the entire Pd
> > > GUI package (Wish, pd/tcl, pd/po, probably more) with their
> installation,
> > > as different libpd apps might require different versions.
> > >
> > > cheers
> > > Miller
> > >
> > > On Sat, Jul 15, 2017 at 04:30:16PM +0200, Pierre Guillot wrote:
> > > > Hi all,
> > > >
> > > > I started to update my project zpd [1] with the last version of Pd
> > > (before
> > > > testing the new features in libpd) but I don't really understand how
> the
> > > > function sys_startgui() should be used and what it does [2] . In the
> > > > Miller's branch of libpd, the example [3] use a relative path but I
> don't
> > > > know what is the path to my application and what should be the
> target of
> > > > the path. I asked on GitHub and Dan explained me that I should give
> the
> > > > path to the tcl scripts to start the Pd GUI but what if I don't have
> Pd
> > > > installed? The solution I found for the moment is to copy the static
> > > > function sys_fakefromgui() [4] but it's dirty and not very
> sustainable.
> > > >
> > > > Anyone has a solution?
> > > > Best,
> > > >
> > > > Pierre
> > > >
> > > > [1] https://github.com/pierreguillot/zpd
> > > > [2] https://github.com/pure-data/pure-data/blob/master/src/s_
> > > inter.c#L1377
> > > > [3]
> > > > https://github.com/libpd/libpd/pull/171/files/
> > > ddd6ef004c00ca41f1834fcb5bf5f72f972bc20d..
> 35e4272a2c3ba610836fa4cdff3bea
> > > 99dac815fb#diff-44ec7e62314f045847d1166bd74411b5R77
> > > > [4]
> > > > https://github.com/libpd/libpd/pull/171/files/
> > > ddd6ef004c00ca41f1834fcb5bf5f72f972bc20d..
> 35e4272a2c3ba610836fa4cdff3bea
> > > 99dac815fb#diff-44ec7e62314f045847d1166bd74411b5R77
> > >
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