bugGNU Octave - Bugs: bug #50818, vertical uicontrol slider seems...

 
 

bug #50818: vertical uicontrol slider seems flipped

Submitted by:  <awrichar>
Submitted on:  Mon 17 Apr 2017 03:50:22 PM UTC  
 
Category: GUISeverity: 3 - Normal
Priority: 5 - NormalItem Group: Matlab Compatibility
Status: FixedAssigned to: None
Originator Name: Open/Closed: Closed
Release: 4.0.3Operating System: GNU/Linux

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Tue 18 Apr 2017 11:40:12 PM UTC, comment #1:

Okay. I don't think anyone from the Octave team knew what the desired behavior was. I flipped the orientation of vertical sliders in this changeset (http://hg.savannah.gnu.org/hgweb/octave/rev/7b95435e96a4). This is on the development branch of Octave which will be released as 4.4.0, but there is no date for that yet. In order to see the change you will need to wait for the next stable release, or build from development sources.

Rik <rik5>
Project Administrator
Mon 17 Apr 2017 03:50:22 PM UTC, original submission:

The uicontrol slider seems to be flipped top-down relative to the Matlab version, i.e. the Octave slider increases in value as you move the slider thumb DOWN, contrary to Matlab's convention of increasing as you move the slider thumb UP.

This was observed on Debian 8 (jessie) 64-bit, Octave version 4.0.3, compared against Matlab R2014a (with the HG2 flag) on Ubuntu 14.04 LTS 64-bit.

The simple GUI below demonstrates the difference between Octave vs. Matlab, which updates the text string displayed in an edit box with the current position of a vertical slider:

(A quick search of the bug reports doesn't seem to show this incompatibility as being previously submitted, but perhaps I missed something.)

<awrichar>

 

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 18 Apr 2017 11:40:12 PM UTCrik5StatusNone=>Fixed
      Open/ClosedOpen=>Closed
    Mon 17 Apr 2017 03:50:22 PM UTCawricharCarbon-Copy-=>Added -unavailable-

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