Re: fltk backend fix & mouse wheel scroll factor

[Shai Ayal]

On Sun, Sep 27, 2009 at 5:58 PM, Shai Ayal <address@hidden> wrote:
> On Sun, Sep 27, 2009 at 6:30 PM, Søren Hauberg <address@hidden> wrote:
>> søn, 27 09 2009 kl. 18:22 +0300, skrev Shai Ayal:
>>> Strange. When I do a right drag inside a plot I get a zoom-frame. When
>>> I release the right button the plot zooms accordingly, and the scroll
>>> wheel works all of the time.
>>> What system are you running on, and if you have it installed, what is
>>> the output of
>>> glxinfo | grep render
>>
>> This is on Ubuntu 9.04 with an Intel graphics card. The glxinfo output
>> is
>>
>>        No kernel support for execution fencing, disabling texture
>>        tiling
>>        direct rendering: Yes
>>        OpenGL renderer string: Mesa DRI Mobile Intel® GM45 Express
>>        Chipset GEM 20090712 2009Q2 RC3 x86/MMX/SSE2
>>
>> Intel graphics cards are known to have some issues on this version of
>> Ubuntu, so it just might be a driver issue. I would, however, find that
>> somewhat weird since the FLTK backend in general works quite well.
>
> I think this IS an intel issue. I have an intel card at work, so I can
> try it there, but it'll have to wait until tuesday.
> If you can't bear the suspense, you can try to run X w/o DRI and see
> what happens.
Well, I tried to try it with an intel card, but X on my intel computer
would not run! I had to revert to vesa drivers, and everything looks
OK.
I think this is an issue with the overlays, like I use to draw the
zoom rubber-band. I might try to draw it normally, not in an overlay
(maybe adding a cool blue transparent rectangle like in the gnuplot
wxt terminal).

Shai