URL:
  <http://gna.org/bugs/?20424>

                 Summary: Click and Tap mode causes undesired strokes with
stylus buttons
                 Project: MyPaint
            Submitted by: surt
            Submitted on: Sat Jan 12 09:28:57 2013
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.1.0~rc3+git20121231.5c8d4e8-1ppa1~quan
         Planned Release: None
        Operating System: Kubuntu 12.10 64-bit

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Details:

Kubuntu 12.10 64-bit on Fujitsu T5010 tablet PC

When using "Click and Tap" mode with a tablet (hold stylus button and tap tip
to trigger button press) rather than "Hover Click" mode (in Kubuntu this can
be toggled with the Pen "use Hover Click" setting under Graphic Tablet
settings, though the checkbox seems to function opposite to its description),
button 2 and button 3 taps (holding the button and tapping) seems to also
produce a button 1 tap, leaving a short undesired paint stroke on the canvas.

If the brush is pressure responsive the result can be quite subtle as it only
seems to stroke with a light pressure regardless of actual stylus pressure.

The attached image shows the result of button 2 and button 3 click-and-taps
with a pressure-responsive brush and a non-pressure-responsive brush.

When using button 2 for panning the view this leaves lots of undesired dots
over the canvas.

I've had this problem as long as I can remember (my whole experience with
MyPaint as far as I can recall) on both Linux and windows, tablet and tablet
PC and just been putting up with it or using space to pan the view.

The problem does not present with Gimp, Krita or anything else that I've
tried.



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File Attachments:


-------------------------------------------------------
Date: Sat Jan 12 09:28:57 2013  Name: mypaint_click_and_tap_bug.png  Size:
39kB   By: surt

<http://gna.org/bugs/download.php?file_id=16916>

    _______________________________________________________

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  <http://gna.org/bugs/?20424>

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