Re: units updater for figures is broken when using fltk

[Michael Goffioul]

On Sat, Feb 4, 2012 at 9:32 PM, Ben Abbott <address@hidden> wrote:
>
> On Feb 4, 2012, at 2:46 PM, Ben Abbott wrote:
>
>> Running the script below ...
>>
>>       close all
>>       graphics_toolkit fltk
>>       figure
>>       position = get (gcf, "position")
>>       set (gcf, "units", "normalized")
>>       position_pre_drawnow = get (gcf, "position")
>>       drawnow
>>       position_post_drawnow = get (gcf, "position")
>>
>> ... produces the result ...
>>
>>       position =
>>
>>          300   200   560   420
>>
>>       position_pre_drawnow =
>>
>>          0.17798   0.19358   0.33333   0.40856
>>
>>       position_post_drawnow =
>>
>>           0   44    1    0
>>
>> I have no idea what is happing here, and my debugging skills for c++ are 
>> embarrassingly poor. Does anyone have any insight ?
>>
>> There's a bug report. Link below.
>>
>>       https://savannah.gnu.org/bugs/index.php?35430
>>
>> Ben
>
> I gave up on myself a bit too early.
>
> I've attached a changeset that fixes the problem for me.

That (setting units to "pixels" during redraw) should not be needed.
Looks to me like a workaround for the real problem. For instance, a
figure redraw can happen outside the drawnow function.

Michael.