Pressing middle mouse button while tablet pen is drawing causes crash or freeze
GIMP version: 2.10.8
Operating System: Mac OS X 10.11.6
Package: Installer from gimp.org
Description of the bug
If you are drawing with a tablet pen, and you press the middle mouse button (either through the mouse or a hotkeyed pen button), GIMP has a 20% of freezing and needing a force quite, a 20% of popping up This stupid window, which requires you to segfault GIMP, and a 60% of nothing happening at all.
Reproduction
Reproduction steps:
- Open a new canvas
- Select the brush
- Draw with a tablet pen.
- While the pen is down, click the middle mouse button.