Implement a hack for right- and middle-buttons on weird tablet devices
If should fix the following cases:
- Wintab drivers that do not generate tablet events for right-click and middle-click.
- WinInk mode. With the patch both right- and middle-clicks should be available with the stylus buttons.
To activate a workaround just add the following to your 'kritarc':
rightMiddleTabletButtonWorkaround=true
This hack just ignores tablet events for right- and middle-click and
starts to use mouse events for them. Please be careful, the hack will
make right- and middle-strokes less precise. And it also can just break
the tablet support completely.
CCBUG:399585
CCBUG:368849