[Bug 18517] Tablet pen pressure or eraser (wacom tablet) are not working in Photoshop CS 4/5

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=18517

--- Comment #42 from phaethon <eriks00 at moon.lv> ---
I have been testing the patch and made some minor improvements to it. There are
three more issues I have identified:
1) My wacom Pen & Touch tablet's eraser is identified as stylus due to the fact
it has Pen in the device name. I have patch for it, which I will submit later.
2) If drawing, quickly raising and drawing again, then it appears to start
drawing without pressure sensitivity until the end of the line. Problem is
quite nasty. It is due to the fact that XEvent for ButtonPress is received
earlier than XDeviceButtonPress event, so Photoshop starts drawing before it
has received any pressure indication. I have a workaround for this - disabling
processing ButtonPress events from X if Tablet is registered, which makes mouse
unusable - only pen, but removes the problem. This is not a good solution, but
for custom wine just for Photoshop it might make sense. I am lacking good ideas
to overcome the problem in a more clever way. I will attach my patch later.
Advice welcome. 
3) My tablet is Pen & Touch. It sometimes draws a random point from the touch
cursor at times when I wouldn't expect it. E.g. when removing pen from
proximity while hand is touching the pad. This is different than Windows
behavior. No good ideas how to deal with these situations yet. Comments
welcome.

Overall I feel quite happy with it. It is definetely usable for me. I intend to
submit it to wine patches except for issue 2), which would not be for general
use.

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