#1299 clicking equations tab crashes latest minsky on mac

[John Greene]

i downloaded the latest version of minsky tonight, 3/9. i had previously downloaded the zip file from steve k's http://www.debtdeflation.com/blogs/minsky/. the zip contains about 30 mky files. i am trying to follow along on his videos. starting with the first one. i can open mky files and run sims. but when i click on the equations tab, minsky crashes. i'm running on a macbook air, high sierra 10.13.6. i was interested in the equations and also noticed that 'export to latex' is not available - steve shows it in the video, but i could not look at the equations via export or in the equations tab.

[High Performance Coder]

I have verified this bug does indeed occur on MacOS (it appears to be MacOS specific, as it doesn't manifest on Linux or Windows). Re export to latex, that functionality is still there, but under "Export Canvas" - you can select the type of export, one of the options is LaTeX.

[John Greene]

thanks russell. i'll try export to latex. let me know if you need a log to help debug.

[High Performance Coder]

On Thu, Mar 11, 2021 at 12:03:49AM -0000, John Greene wrote:

thanks russell. i'll try export to latex. let me know if you need a log to help
debug.

Thanks John. I shouldn't need that, as I can reproduce the issue
locally. Wish me luck though, those logs are very parsimonious on
detail, and they're all I've got to go on with MacOSX!

--

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Dr Russell Standish Phone 0425 253119 (mobile)
Principal, High Performance Coders hpcoder@hpcoders.com.au
http://www.hpcoders.com.au

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[John Greene]

good luck, russell!

On Wed, Mar 10, 2021 at 9:40 PM High Performance Coder hpcoder@users.sourceforge.net wrote:

On Thu, Mar 11, 2021 at 12:03:49AM -0000, John Greene wrote:

thanks russell. i'll try export to latex. let me know if you need a log to
help
debug.

Thanks John. I shouldn't need that, as I can reproduce the issue
locally. Wish me luck though, those logs are very parsimonious on
detail, and they're all I've got to go on with MacOSX!

--

Dr Russell Standish Phone 0425 253119 (mobile)
Principal, High Performance Coders hpcoder@hpcoders.com.au
http://www.hpcoders.com.au

---

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• [tickets:#1299] https://sourceforge.net/p/minsky/tickets/1299/
  clicking equations tab crashes latest minsky on mac*

Status: open
Milestone: Graeber
Created: Wed Mar 10, 2021 02:47 AM UTC by John Greene
Last Updated: Thu Mar 11, 2021 12:03 AM UTC
Owner: High Performance Coder

i downloaded the latest version of minsky tonight, 3/9. i had previously
downloaded the zip file from steve k's
http://www.debtdeflation.com/blogs/minsky/. the zip contains about 30 mky
files. i am trying to follow along on his videos. starting with the first
one. i can open mky files and run sims. but when i click on the equations
tab, minsky crashes. i'm running on a macbook air, high sierra 10.13.6. i
was interested in the equations and also noticed that 'export to latex' is
not available - steve shows it in the video, but i could not look at the
equations via export or in the equations tab.

---

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[High Performance Coder]

This one was certainly a weird one. For reasons that I forget, cairo surfaces are created and destroyed each time a window is drawn. The code I had to do this, destroys the cairo surface immediately before returning back to the system - this was found to be important, however on MacOSX, in just this one particular case, destroying the surface immediately calls back into the code that renders the window on the now defunct surface. The solution (I hope it is that) is to simply not destroy the surface on exit from the window drawing routine, but rather destroy and recreate it next time the window is drawn, but only when running on MacOSX under the Aqua windowing system. Anyway, from a bit of testing out various things, it seems to be stable...