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    <p>So, I cannot issue a merge request since the main branch still
      has the older version of gui_scalar_new that does not have the
      plot_style option which is meant to fine-tune plot positioning
      (and may be tied to the 0.4x nw.js). While this fixes it on my
      branch, I will have to dig through yours to see what you may have
      not been merged (as is the case with the previously mentioned
      merge) to have caused this regression.</p>
    <p>I really wish that we moved forward with the 0.4x transition...</p>
    <p>Best,</p>
    <p>Ico<br>
    </p>
    <div class="moz-cite-prefix">On 6/30/2020 9:22 PM, Ivica Ico Bukvic
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1c639c1a-a17d-8e5c-22e1-b8bd8b5a0416@vt.edu">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <p>OK, I got the fix. This was definitely my doing--in fixing the
        plots I completely forgot that a non-plot scalar may not have a
        valid plot type and therefore will have matrix left undefined.
        Below is a diff. Also, I will send out a merge request shortly.</p>
      <p>Best,</p>
      <p>Ico<br>
      </p>
      <p>index 6d85631a..1a0ea4bc 100644<br>
        --- a/pd/nw/pdgui.js<br>
        +++ b/pd/nw/pdgui.js<br>
        @@ -3514,7 +3514,11 @@ function gui_scalar_new(cid, tag,
        isselected, t1, t2, t3, t4, t5, t6,<br>
                             transform_string = "translate(" + 0 +<br>
                                 "," + (t6+1) + ") scale(" + t1 + "," +
        t4 + ")";<br>
                             //post("transform_string = " +
        transform_string);<br>
        -                    break;<br>
        +                    break;<br>
        +                default:<br>
        +                    // we are a non-plot scalar<br>
        +                    matrix = [t1,t2,t3,t4,t5,t6];<br>
        +                    break;<br>
                     }<br>
                 }<br>
                 else {<br>
        @@ -3535,6 +3539,10 @@ function gui_scalar_new(cid, tag,
        isselected, t1, t2, t3, t4, t5, t6,<br>
                                 "," + (t6+1.5) + ") scale(" + t1 + ","
        + t4 + ")";<br>
                             //post("transform_string = " +
        transform_string);<br>
                             break;<br>
        +                default:<br>
        +                    // we are a non-plot scalar<br>
        +                    matrix = [t1,t2,t3,t4,t5,t6];<br>
        +                    break;<br>
                     }<br>
                 }<br>
        <br>
        <br>
        <br>
      </p>
      <p><br>
      </p>
      <div class="moz-cite-prefix">On 6/30/2020 9:13 PM, Ivica Ico
        Bukvic wrote:<br>
      </div>
      <blockquote type="cite"
        cite="mid:70f9db1d-50a8-a0de-f95e-4100b37a2388@vt.edu">
        <meta http-equiv="Content-Type" content="text/html;
          charset=UTF-8">
        <p>It appears my branch is affected, as well, so it is either
          something I did or something that was merged from the main
          branch. The error is as follows (on Windows, at least):</p>
        <p>C:\Program Files (x86)\Purr Data\bin\pdgui.js:3542 Uncaught
          TypeError: Cannot read property 'join' of undefined<br>
              at C:\Program Files (x86)\Purr Data\bin\pdgui.js:3542:51<br>
              at get (C:\Program Files (x86)\Purr
          Data\bin\pdgui.js:2057:21)<br>
              at Object.get_elem (C:\Program Files (x86)\Purr
          Data\bin\pdgui.js:2073:24)<br>
              at gui_scalar_new (C:\Program Files (x86)\Purr
          Data\bin\pdgui.js:3491:14)<br>
              at eval (eval at perfect_parser (C:\Program Files
          (x86)\Purr Data\bin\pdgui.js:1885:21), <anonymous>:1:1)<br>
              at perfect_parser (C:\Program Files (x86)\Purr
          Data\bin\pdgui.js:1885:21)<br>
              at Socket.<anonymous> (C:\Program Files (x86)\Purr
          Data\bin\pdgui.js:1903:9)<br>
              at Socket.emit (events.js:315)<br>
              at addChunk (_stream_readable.js:302)<br>
              at readableAddChunk (_stream_readable.js:278)</p>
        <p>Best,</p>
        <p>Ico<br>
        </p>
        <div class="moz-cite-prefix">On 6/30/2020 8:08 PM, Ivica Bukvic
          wrote:<br>
        </div>
        <blockquote type="cite"
cite="mid:CAJrgGbbsVQF-oNocLhgmTpQCQQgPC-GAkPbsu0herqPdCzi0Rg@mail.gmail.com">
          <meta http-equiv="content-type" content="text/html;
            charset=UTF-8">
          <div dir="auto">Before we do that, allow me to take a stab at
            this to see what may have broke. I will also test to see if
            my branch exhibits the same problem. What about the plot
            drawing optimizations you introduced, could they be also
            somehow involved? I don't have those yet on my branch and
            have not experienced any known problems yet, although I need
            to test the about page.
            <div dir="auto"><br>
              <div data-smartmail="gmail_signature" dir="auto">Best,<br>
                <br>
                Ico<br>
                <br>
                -- <br>
                Ivica Ico Bukvic, D.M.A.<br>
                Director, Creativity + Innovation<br>
                Institute for Creativity, Arts, and Technology<br>
                <br>
                Virginia Tech<br>
                Creative Technologies in Music<br>
                School of Performing Arts – 0141<br>
                Blacksburg, VA 24061<br>
                (540) 231-6139<br>
                <a href="mailto:ico@vt.edu" moz-do-not-send="true">ico@vt.edu</a><br>
                <br>
                <a href="http://www.icat.vt.edu" moz-do-not-send="true">www.icat.vt.edu</a><br>
                <a href="http://www.performingarts.vt.edu"
                  moz-do-not-send="true">www.performingarts.vt.edu</a><br>
                <a href="http://l2ork.icat.vt.edu"
                  moz-do-not-send="true">l2ork.icat.vt.edu</a><br>
                <a href="http://ico.bukvic.net" moz-do-not-send="true">ico.bukvic.net</a></div>
            </div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Tue, Jun 30, 2020,
              19:23 Jonathan Wilkes <<a
                href="mailto:jon.w.wilkes@gmail.com"
                moz-do-not-send="true">jon.w.wilkes@gmail.com</a>>
              wrote:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">Albert--
              now that HEAD is what it is, what would the process be of<br>
              rolling it back while putting all those merges<br>
              into a separate nwjs-update branch?<br>
              <br>
              -Jonathan<br>
              <br>
              On Tue, Jun 30, 2020 at 5:57 PM Jonathan Wilkes <<a
                href="mailto:jon.w.wilkes@gmail.com" target="_blank"
                rel="noreferrer" moz-do-not-send="true">jon.w.wilkes@gmail.com</a>>
              wrote:<br>
              ><br>
              > On Tue, Jun 30, 2020 at 3:20 PM Ivica Bukvic <<a
                href="mailto:ico@vt.edu" target="_blank"
                rel="noreferrer" moz-do-not-send="true">ico@vt.edu</a>>
              wrote:<br>
              > ><br>
              > > The fix that may have triggered the regression
              you describe was supposed to fix a regression :-)<br>
              > ><br>
              > > Namely the code removed that deletes data
              structures during a redraw also tends to delete all the
              other objects on a subpatch when an undo action is
              triggered, leaving only patch cords visible. This was true
              regardless of the nw.js version. I suspect that the fix
              that Jonathan originally introduced there may have been
              because of drawing of the data structures alongside the
              regular objects on the same canvas, which is what the
              about page has with the animated cat.<br>
              ><br>
              > Unfortunately, I can't create a scalar on a canvas at
              all. This is a<br>
              > bug even if there are no gop subpatches in existence.<br>
              ><br>
              > Also-- I tried reverting the code you're referring
              to, Ico. Even with<br>
              > that code path present, a simple scalar will fail to<br>
              > be displayed. Even worse-- nothing gets created on
              the GUI side. So<br>
              > either the problem is something you introduced to<br>
              > gui_scalar_new, or in the backend preventing that
              from every being called.<br>
              ><br>
              > -Jonathan<br>
              ><br>
              > ><br>
              > > My originally proposed merge request offered
              deleting only scalars in a situation that the code seemed
              to address. I also indicated that it needed to be tested
              further given I was unsure under which circumstances this
              code would be necessary. The final merge was Jonathan's
              where he erased that part entirely suggesting it was not
              necessary anymore.<br>
              > ><br>
              > > What may be helpful, as the code complexity
              continues to grow, is to carefully annotate each of these
              calls in the code so that we can better understand why
              they are placed there in the first place and what needs to
              be done to check for regressions.<br>
              > ><br>
              > > Best,<br>
              > ><br>
              > > Ico<br>
              > ><br>
              > > --<br>
              > > Ivica Ico Bukvic, D.M.A.<br>
              > > Director, Creativity + Innovation<br>
              > > Institute for Creativity, Arts, and Technology<br>
              > ><br>
              > > Virginia Tech<br>
              > > Creative Technologies in Music<br>
              > > School of Performing Arts – 0141<br>
              > > Blacksburg, VA 24061<br>
              > > (540) 231-6139<br>
              > > <a href="mailto:ico@vt.edu" target="_blank"
                rel="noreferrer" moz-do-not-send="true">ico@vt.edu</a><br>
              > ><br>
              > > <a href="http://www.icat.vt.edu"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">www.icat.vt.edu</a><br>
              > > <a href="http://www.performingarts.vt.edu"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">www.performingarts.vt.edu</a><br>
              > > <a href="http://l2ork.icat.vt.edu"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">l2ork.icat.vt.edu</a><br>
              > > <a href="http://ico.bukvic.net" rel="noreferrer
                noreferrer" target="_blank" moz-do-not-send="true">ico.bukvic.net</a><br>
              > ><br>
              > > On Tue, Jun 30, 2020, 14:16 Albert Graef <<a
                href="mailto:aggraef@gmail.com" target="_blank"
                rel="noreferrer" moz-do-not-send="true">aggraef@gmail.com</a>>
              wrote:<br>
              > >><br>
              > >> Sorry, I missed these remarks earlier.<br>
              > >><br>
              > >> On Tue, Jun 30, 2020 at 2:14 PM Jonathan
              Wilkes <<a href="mailto:jon.w.wilkes@gmail.com"
                target="_blank" rel="noreferrer" moz-do-not-send="true">jon.w.wilkes@gmail.com</a>>
              wrote:<br>
              > >>><br>
              > >>> I can confirm running HEAD against a
              local 0.46.3 nw.js on aarch64<br>
              > >>> does indeed work to load and display
              patches.<br>
              > >><br>
              > >><br>
              > >> Have you tried  the Help - About Pd-L2ork
              menu entry?<br>
              > >><br>
              > >>> What do I need to add to the
              contributor's guide to make it clear what<br>
              > >>> a desirable merge request branch should
              look like?<br>
              > >><br>
              > >><br>
              > >> I guess you're talking about workflow here?
              That is, rebasing and squashing commits so that you
              present your feature branch a.k.a. merge request as simple
              and comprehensible as possible, with a clean and logical
              commit history. There's a lot that goes into that  process
              and much of it is common sense -- but you'd probably have
              to replicate half the Git Book to explain these things
              really thoroughly.<br>
              > >><br>
              > >> However, the main failure in this case IMHO
              was that there weren't enough eyeballs looking at this
              "patchset from hell", before the changes were merged into
              master. A call for help on the mailing list goes a long
              way there, explaining what the new set of changes is
              about, what parts of the program might be affected, and
              what needs to be tested. I did notice the flurry of
              commits, but I wasn't sure what they were about and didn't
              have the time to look into them. I would certainly have
              tried to give a helping hand in testing, though, when
              asked about it in the manner described. ;-) (Or maybe I
              missed that call, then I have to apologize.)<br>
              > >><br>
              > >> Albert<br>
              > >><br>
              > >>> > On Tue, Jun 30, 2020 at 11:42 AM
              Sam Thursfield <<a href="mailto:ssssam@gmail.com"
                target="_blank" rel="noreferrer" moz-do-not-send="true">ssssam@gmail.com</a>>
              wrote:<br>
              > >>> >><br>
              > >>> >> Hi Albert,<br>
              > >>> >><br>
              > >>> >> On Tue, Jun 30, 2020 at 9:12 AM
              Albert Graef <<a href="mailto:aggraef@gmail.com"
                target="_blank" rel="noreferrer" moz-do-not-send="true">aggraef@gmail.com</a>>
              wrote:<br>
              > >>> >> > The program still builds
              fine, launches and I can still open new patch windows
              (^n), but "About Pd-L2ork" doesn't work any more and I
              can't open existing patches either (apparently the patches
              do get opened in the engine, but no window is mapped).<br>
              > >>> >><br>
              > >>> >> Is it possible that you are
              using a version of nw.js >= 0.42.3 ?<br>
              > >>> >> This issue sounds a bit like<br>
              > >>> >> <a
                href="https://git.purrdata.net/jwilkes/purr-data/-/issues/572"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://git.purrdata.net/jwilkes/purr-data/-/issues/572</a><br>
              > >>> >> Sam<br>
              > >>> >>
              _______________________________________________<br>
              > >>> >> L2Ork-dev mailing list<br>
              > >>> >> <a
                href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              > >>> >> <a
                href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a><br>
              > >>> ><br>
              > >>> ><br>
              > >>> ><br>
              > >>> > --<br>
              > >>> > Dr. Albert Gr"af<br>
              > >>> > Computer Music Research Group, JGU
              Mainz, Germany<br>
              > >>> > Email: <a
                href="mailto:aggraef@gmail.com" target="_blank"
                rel="noreferrer" moz-do-not-send="true">aggraef@gmail.com</a>,
              web: <a href="https://agraef.github.io/" rel="noreferrer
                noreferrer" target="_blank" moz-do-not-send="true">https://agraef.github.io/</a><br>
              > >>> >
              _______________________________________________<br>
              > >>> > L2Ork-dev mailing list<br>
              > >>> > <a
                href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              > >>> > <a
                href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a><br>
              > >>>
              _______________________________________________<br>
              > >>> L2Ork-dev mailing list<br>
              > >>> <a
                href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              > >>> <a
                href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a><br>
              > >><br>
              > >><br>
              > >><br>
              > >> --<br>
              > >> Dr. Albert Gr"af<br>
              > >> Computer Music Research Group, JGU Mainz,
              Germany<br>
              > >> Email: <a href="mailto:aggraef@gmail.com"
                target="_blank" rel="noreferrer" moz-do-not-send="true">aggraef@gmail.com</a>,
              web: <a href="https://agraef.github.io/" rel="noreferrer
                noreferrer" target="_blank" moz-do-not-send="true">https://agraef.github.io/</a><br>
              > >>
              _______________________________________________<br>
              > >> L2Ork-dev mailing list<br>
              > >> <a
                href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              > >> <a
                href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a><br>
              > ><br>
              > > _______________________________________________<br>
              > > L2Ork-dev mailing list<br>
              > > <a href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              > > <a
                href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a><br>
              _______________________________________________<br>
              L2Ork-dev mailing list<br>
              <a href="mailto:L2Ork-dev@disis.music.vt.edu"
                target="_blank" rel="noreferrer" moz-do-not-send="true">L2Ork-dev@disis.music.vt.edu</a><br>
              <a href="https://disis.music.vt.edu/listinfo/l2ork-dev"
                rel="noreferrer noreferrer" target="_blank"
                moz-do-not-send="true">https://disis.music.vt.edu/listinfo/l2ork-dev</a></blockquote>
          </div>
        </blockquote>
        <pre class="moz-signature" cols="72">-- 
Ivica Ico Bukvic, D.M.A.
Director, Creativity + Innovation
Institute for Creativity, Arts, and Technology

Virginia Tech
Creative Technologies in Music
School of Performing Arts – 0141
Blacksburg, VA 24061
(540) 231-6139
<a class="moz-txt-link-abbreviated" href="mailto:ico@vt.edu" moz-do-not-send="true">ico@vt.edu</a>

<a class="moz-txt-link-abbreviated" href="http://www.icat.vt.edu" moz-do-not-send="true">www.icat.vt.edu</a>
<a class="moz-txt-link-abbreviated" href="http://www.performingarts.vt.edu" moz-do-not-send="true">www.performingarts.vt.edu</a>
l2ork.icat.vt.edu
ico.bukvic.net</pre>
      </blockquote>
      <pre class="moz-signature" cols="72">-- 
Ivica Ico Bukvic, D.M.A.
Director, Creativity + Innovation
Institute for Creativity, Arts, and Technology

Virginia Tech
Creative Technologies in Music
School of Performing Arts – 0141
Blacksburg, VA 24061
(540) 231-6139
<a class="moz-txt-link-abbreviated" href="mailto:ico@vt.edu" moz-do-not-send="true">ico@vt.edu</a>

<a class="moz-txt-link-abbreviated" href="http://www.icat.vt.edu" moz-do-not-send="true">www.icat.vt.edu</a>
<a class="moz-txt-link-abbreviated" href="http://www.performingarts.vt.edu" moz-do-not-send="true">www.performingarts.vt.edu</a>
l2ork.icat.vt.edu
ico.bukvic.net</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Ivica Ico Bukvic, D.M.A.
Director, Creativity + Innovation
Institute for Creativity, Arts, and Technology

Virginia Tech
Creative Technologies in Music
School of Performing Arts – 0141
Blacksburg, VA 24061
(540) 231-6139
<a class="moz-txt-link-abbreviated" href="mailto:ico@vt.edu">ico@vt.edu</a>

<a class="moz-txt-link-abbreviated" href="http://www.icat.vt.edu">www.icat.vt.edu</a>
<a class="moz-txt-link-abbreviated" href="http://www.performingarts.vt.edu">www.performingarts.vt.edu</a>
l2ork.icat.vt.edu
ico.bukvic.net</pre>
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