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9620 discussions

Helping with building Scheme for Pure Data for windows?
by Iain Duncan 12 Oct '21

12 Oct '21

Long shot, but in case there is someone on here who is a) excited about using Scheme in Pd, and b) conversant with building externals for windows, I could definitely do with some help. I really only know developing on linux and osx. I'm sure I'll manage on my own, but it will be slower and harder to prioritize. thanks! iain

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another file path question for sp4d
by Iain Duncan 09 Oct '21

09 Oct '21

Hi folks, I want to solicit opinions from the broader Pd dev community before figuring out how to fix this bug report from Alex: https://github.com/iainctduncan/scheme-for-pd/issues/15 His point was that a relative path didn't do what he expected, situation - an s4pd object created as "sp4d scm/my-file.scm" So this is what I think should happen for file searching, but will change my mind if it is not in accordance with what users would expect. The handling rules will be the same whether from a a "read {file}" message or an arg to the object: Proposed Rules: - absolute paths - opened - single file name paths: - first look in the canvas directory - then search all Pd paths - relative path names (i.e. "s4pd scm/foo.scm"): - search in the canvas directory - do *not* traverse through all directories on the Pd search paths Does that sound right? Or would the expectation be that it would search for scm/foo.js on all the search paths? Related, should it know how to do the right thing to convert unix style paths on windows? Please feel free to comment here or on the github ticket. thanks iain

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s4pd packaging: issues with [declare -path]
by Iain Duncan 09 Oct '21

09 Oct '21

Hi folks, I'm still working on the packaging of s4pd with regard to finding scheme files, and am almost there, but having some weirdness with [declare -path]. It was recommended to me that I advise people in the docs to put a [declare -path s4pd] in their patches so that finding scm files would "just work". My understanding is that this would add the s4pd path to their file path, meaning that files in that dir should get found, just as if one had put it explicitly into the Pd path preferences. However, this doesn't seem to do that on MacOS. I run make install, and it puts my stuff in ~/Library/Pd/, so that there is a directory, ~/Library/Pd/s4pd, with all the files, at the same level as the external. But if I try to use a patch with an s4pd object and a [declare -path s4pd], the declare path appears to make no difference: I still need to go add ~/Library/Pd/s4pd to file preferences for the files to be found. Hopefully someone can clear up what is happening here, or my misunderstanding of what the declare is supposed to do. thanks!

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Packaging question for Scheme for Pd
by Iain Duncan 04 Oct '21

04 Oct '21

Hi folks, I need some advice on what is the expected way for a package to be laid out to avoid confusing users when they try to install. The situation is that s4pd requires the external, and scm files that come in the package. In development, I have those in an scm dir, and if you build from source, that dir needs to be in the Pd search paths. For a non developer user, I want install to be as simple as possible. Should a downloadable package just put the scm files and external in the top level of the package ('s4pd') so that this can simply be put in the Pd/externals directory? I just need to know what "normal" is for a release package. thanks iain

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current master does not build on macOS Catalina
by Roman Haefeli 01 Oct '21

01 Oct '21

Hi I having troubles building current Pd on macOS catalina. This is how I run configure: ./configure --enable-jack --disable-jack-framework --disable-locales And here is where the building stops: ~~~ x_file.c:1062:13: error: implicitly declaring library function 'snprintf' with type 'int (char *, unsigned long, const char *, ...)' [-Werror,-Wimplicit-function-declaration] snprintf(destfile, MAXPDSTRING, "%s/%s", destination, filename); ^ x_file.c:1062:13: note: include the header <stdio.h> or explicitly provide a declaration for 'snprintf' ~~~ The stdio.h _is_ declared in x_file.c, so I do not really understand what the problem is. Thanks, Roman

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Binding gui externals to tcl/tk events
by Eric Lennartson 29 Sep '21

29 Sep '21

Hello all, I've been making some GUIs for myself and was looking at some of the else library to see how it was done. Specifically this pad.c file. <https://github.com/porres/pd-else/blob/master/Classes/Source/pad.c> I was wondering, how would one bind messages to just the GUI object in general, rather than to specific tags? I've tried changing this line from dial_vis by removing the tag, but that doesn't seem to work. I only have a basic knowledge of tcl/tk, so I'm pretty sure I'll be missing something pretty basic and/or obvious. Original: sys_vgui(".x%lx.c bind %lxBASE <ButtonRelease> {pdsend [concat %s _mouserelease \\;]}\n", cv, x, x->x_bindname->s_name); Removed Tag: sys_vgui(".x%lx.c bind %lx <ButtonRelease> {pdsend [concat %s _mouserelease \\;]}\n", cv, x, x->x_bindname->s_name); For context, I am trying to set up a system where I can assign a hotkey and use that to select/deselect the gui. Thanks, Eric

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Re: [PD-dev] plans for next Pd release
by Dan Wilcox 29 Sep '21

29 Sep '21

Howdy Miller, Let me know what areas I can help with. I saw a comment about having problems compiling d_soundfile_caf.c on windows? Also, there are a couple of things on macOS which should be updated, including checking if the latest Tcl/Tk Wish can be built natively for arm64. I last looked around February and it wouldn't build. > On Jul 13, 2021, at 8:57 PM, pd-dev-request(a)lists.iem.at wrote: > > Message: 1 > Date: Tue, 13 Jul 2021 10:22:17 -0700 > From: Miller Puckette <msp(a)ucsd.edu <mailto:msp@ucsd.edu>> > To: pd-dev(a)lists.iem.at <mailto:pd-dev@lists.iem.at> > Subject: [PD-dev] plans for next Pd release > Message-ID: <20210713172217.v4ch3b3dk7go7k5q(a)ucsd.edu <mailto:20210713172217.v4ch3b3dk7go7k5q@ucsd.edu>> > Content-Type: text/plain; charset=us-ascii > > (re-send - I had sent to pd-dev(a)iem.at <mailto:pd-dev@iem.at> but that now seems to be defunct...) -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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equivalent of Max attributes for optional keyword object args?
by Iain Duncan 24 Sep '21

24 Sep '21

Hi folks, I want to add an optional argument for object creation time to Scheme for Pd to allow setting the starting heap size, which can dramatically lower garbage collector times. In Scheme for Max 0.3 I added the @heap attr. I'm not sure what the normal way to do this kind of thing is in Pd. The catch is that this arg needs to be optional (beginners shouldn't have to worry about it) and needs to be set at object creation time because you can't change the starting heap size after creating the s7 interpreter. So I'm somewhat reluctant to just add a 3rd integer arg. Suggestions welcome! thanks! iain

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New [command] external
by Roman Haefeli 23 Sep '21

23 Sep '21

Hey all, I am recently trying to dive into the C realm and revamped ggee's [shell] external. Because its API is different in many ways from the original, I decided to give it a new name. Before I publish this to a wider audience through Deken, I would like to make sure I do not destroy the world by releasing this. Any comments or suggestions are welcome. A first question I have is concerning the order of outlets. I kept the original order: STDOUT left, exit code right. However, since the exit code outlet fires always last, it probably would make sense the make it the left-most. Are there any similar precedent objects? https://github.com/pd-externals/command/ Thanks, Roman

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treating $1 as an argument in A_GIMME
by Alexandre Torres Porres 18 Sep '21

18 Sep '21

Hi, when using A_GIMME I can test if the type is A_FLOAT or A_SYMBOL, but if I give it a "$1", for instance, it's treated as a float. Now, if I have 'A_DEFSYM' instead of 'A_GIMME', then '$1' is considered as a symbol. The problem is that I have to check if the first argument of cyclone/play~ is a float or not. If it's a float, then the creation fails and an error is given. If it's a symbol, then it's an array name. But if you have an abstraction ans using '$1' for the table name, the object shouldn't consider it as a float and fail the creation. This is the problem I need to solve. Thanks

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