In singletop mode, all frames show the "Quit" option in the file menu
and will quit on Ctrl-Q. When launched from the main KiCad interface,
sub-programs show the "Close" option instead and will close with Ctrl-W.
In this mode, Ctrl-Q will instruct the main program to exit.
Fixes: lp:1779938
* https://bugs.launchpad.net/kicad/+bug/1779938
It's a bit of a hack because they're statically initialized and
so we can't make use of the _() macro. We do still want it in the
code, however, because the string harvesting is based off of it.
Fixes: lp:1833000
* https://bugs.launchpad.net/kicad/+bug/1833000
Add code to parse OpenGL version string and determine if ray tracing is
supported.
Rationalize ray tracing menu and toolbar to have the same behavior so
a single command ID can be used for setting states.
Fixes lp:1797500
https://bugs.launchpad.net/kicad/+bug/1797500