bugGNU Octave - Bugs: bug #39304, ginput for FLTK does not return...


bug #39304: ginput for FLTK does not return correct X,Y coordinate on keypress

Submitted by:  Rik <rik5>
Submitted on:  Thu 20 Jun 2013 09:48:52 PM UTC  
Category:  Plotting with OpenGL Severity:  2 - Minor
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Wont Fix Assigned to:  None
Originator Name:  Open/Closed:  Closed
Release:  dev Operating System:  Any

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Sat 22 Jun 2013 12:50:02 PM UTC, comment #1:

As closed bugs can still be googled. Can it be closed ?


David Bateman <dbateman>
Project Member
Thu 20 Jun 2013 09:48:52 PM UTC, original submission:

This report is just a note in case anyone runs into the same problem. If you use ginput() and press a key instead of using the mouse to click on a point then the button field returned will be the ASCII key code but the X,Y coordinates will be those of the last mouse click.

Fixing this would be cumbersome as _fltk_ginput_.m relies on the axis property "CurrentPoint" but this is specifically only updated when a mouse button is pressed. One could modify _init_fltk_.cc to update the CurrentPoint whenever a key is pressed, but this would not be correct Matlab behavior. One could also modify _init_fltk_.cc to return a struct with the key event information as well as the X, Y coordinates of the event. This would possibly change how the @keypressfcn is handled though.

So, I'm just observing that this issue exists and marking it as won't fix.

Rik <rik5>
Project Administrator


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2013-08-04 bpabbott Open/ClosedOpen => Closed

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