/usr/share/psychtoolbox-3/PsychDemos/AlphaImageDemo/WaitSetMouse.m is in psychtoolbox-3-common 3.0.12.20160126.dfsg1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | function WaitSetMouse(newX, newY, windowPtrOrScreenNumber)
% set and wait for new cursor position to take effect
if IsWayland
warning('WaitSetMouse() not yet supported on Wayland display backend. Doing nothing.');
return;
end
while 1 % wait for new cursor position to be set
SetMouse(newX,newY,windowPtrOrScreenNumber);
[mx, my, buttons]=GetMouse(windowPtrOrScreenNumber);
if mx==newX && my==newY
break;
end
end
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