Adds cross-platform compatible virtual-key codes to vm-display-x11 plugin#599

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marceltaeumel wants to merge 7 commits intoOpenSmalltalk:Cogfrom

marceltaeumel:marceltaeumel/x11-virtual-keys

Commits on Sep 29, 2021

For keyDown and keyUp events, pass keycodes into the image. Not quite the virtual keys on other platforms because no information about locale.
marceltaeumel
committed

Commits on Oct 1, 2021

Prepare skeleton for xkey2sqVirtualKeyCode(). Fix several several naming issues: keyCode -> ascii, codes -> keyNameEntries, nameForKeycode -> nameForKeysym
marceltaeumel
committed
Compute a virtual-key code using X11's KeySym and -- as a fall-back -- that event's not-localized KeyCode.
marceltaeumel
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