bugGNU Octave - Bugs: bug #51955, Variable editor action freezes...

 
 

bug #51955: Variable editor action freezes command line window, won't exit

Submitted by:  Dan Sebald <sebald>
Submitted on:  Thu 07 Sep 2017 03:20:29 AM UTC  
 
Category: GUISeverity: 3 - Normal
Priority: 5 - NormalItem Group: Segfault, Bus Error, etc.
Status: NoneAssigned to: None
Originator Name: Open/Closed: Open
Release: devOperating System: GNU/Linux

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Mon 11 Dec 2017 08:34:22 PM UTC, comment #5:

OK, there is an improvement with the latest tip. There is no longer freezing of the command line.

And when I enter non-numerical ASCII like "tv" I see

But the table numbers still do not change when I enter a valid numerical string.

So, going in the right direction.

Dan Sebald <sebald>
Mon 11 Dec 2017 07:58:29 PM UTC, comment #4:

I just tried this with a fairly recent version and still see the same behavior. I type a number in the table representing the matrix and the value does not change while the whole cell turns green as though something has happened. Then the Command Window is again frozen to any keyboard input while the Editor window works fine. I pulled the latest version and will recompile. If anything is improved I will post again.

BTW, why "Command Window"? I.e., the "Window" part of this seems extraneous as everything in the tab is a window. Just "Command" would be fine or "Command Line" makes more sense.

Dan Sebald <sebald>
Mon 11 Dec 2017 07:45:53 PM UTC, comment #3:

I'm unable to duplicate this error with the current sources (I'm using hg id

John W. Eaton <jwe>
Project Administrator
Thu 07 Sep 2017 07:08:47 AM UTC, comment #2:

Below is an example of the output when Command Window. This is really odd, as I left Octave GUI in its frozen state and looking at it an hour or two later, the text had all shown up and the terminal no longer frozen:

Dan Sebald <sebald>
Thu 07 Sep 2017 03:32:47 AM UTC, comment #1:

Tagging the version where command line freezes (but I didn't bisect, so it is this version or sooner): 24019 (fc4ba8b1ff87)

Dan Sebald <sebald>
Thu 07 Sep 2017 03:20:29 AM UTC, original submission:

When I edit a variable in the Variable Editor, the Command Window interpreter no longer accepts any keystrokes. Other windows function, e.g., Editor.

I think once I typed in "tv" to the variable editor table for x, where

and saw a strange printout like "cannot edit that type of variable", but I can't reproduce it to know exactly what the message was so that I may grep for the code where it occurs.

When the Command Window freezes, there is no way to exit the GUI, except resort to the system process termination. In this bug report:

https://savannah.gnu.org/bugs/?44485

I added a timer which would allow escaping from this frozen scenario. Of course, that has nothing to do with the bug at hand.

Dan Sebald <sebald>

 

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