bugGNU Octave - Bugs: bug #58454, GUI cannot save files or exit if...


bug #58454: GUI cannot save files or exit if 'Command window' is computing or paused

Submitter:  Daniel Molina García <dmolina>
Submitted:  Wed 27 May 2020 03:49:41 PM UTC
Category:  GUI Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Duplicate Assigned to:  None
Originator Name:  Open/Closed:  * Closed
Release:  * dev Operating System:  * GNU/Linux
* Mandatory Fields

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Thu 28 May 2020 12:46:14 AM UTC, comment #2: 

@Philip, thank you for the hint.  Everything discussed and mentioned here and more can be found in bug #44485.

Closing as duplicate of bug #44485.

Kai Torben Ohlhus <siko1056>
Project Member
Wed 27 May 2020 05:34:31 PM UTC, comment #1: 

This looks like a duplicate from ? 2015 ? that Dan Sebald and me have been working on; however for Windows (can't find it ATM).
That was gracefully exiting Octave's GUI while core Octave was internally busy.

Philip Nienhuis <philipnienhuis>
Project Member
Wed 27 May 2020 03:49:41 PM UTC, original submission:  

Octave GUI waits until 'Command window' finishes before performing some actions indicated by the user meanwhile. In particular, "saving a file in 'Editor'" or "exiting the Octave GUI".

How to reproduce it:


>> pause

or something computationally expensive which will not finish before you ask the action to the GUI.

>> for i = 1:1e8; a=i; endfor

2. Ask the GUI to exit or save a file.

When the command finishes (for example by pressing Ctrl+C), all previously indicated actions are then correctly performed.

I think it is an undesired behavior. First times I faced it I didn't understand why the GUI was not responding. If it is intended, I think it would be helpful a dialog informing about why Octave GUI isn't doing what I intend. Then I could act consequently.

I describe an use case to show why it was confusing to me:

I have an Cctave program with some "pause" commands to check some intermediate results. I notice that results are wrong so I modify the file and try to save it without caring about finishing execution of paused octave program, Saving is not responding and I cannot realize why. I think Octave has some problems so I try to exit and launch Octave GUI again, but exiting does not work. I don't know how to proceed then.

Daniel Molina García <dmolina>


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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-05-28 siko1056 StatusNone Duplicate
        Open/ClosedOpen Closed
    2020-05-28 siko1056 Dependencies- Depends on bugs #44485

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