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JitouchApp / Jitouch

A multi-touch extension for MacBook, Magic Mouse, and Magic Trackpad
GNU General Public License v3.0
395 stars 28 forks source link

Fix gesture preview crash on macOS 12 #3

Closed aaronkollasch closed 2 years ago

aaronkollasch commented 2 years ago

[NSView lockFocus] was deprecated in macOS 10.14 and seems to be removed on 12.0. This PR prevents the prefpane from crashing while trying to show the gesture preview window. It uses a single background color as a substitute for a drawn background, though it is not as pretty. imageWithSize:flipped:drawingHandler is a potential replacement for lockFocus, e.g.

NSImage *bg = [NSImage imageWithSize:[self frame].size
                                 flipped:NO
                          drawingHandler:???];

Pull request submitted upstream: #4