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No keydown/keyup for autorepeats; no keypress except for autorepeats #10

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@mncharity

InputEvent.Keyboard emits keydown, keyup, and keypress events. This looks like the browser keyboard event api. But it behaves differently.

In browser, a physical depress and release gives a keydown-keypress pair, and then a keyup. A keyboard autorepeat gives just a keydown-keypress pair (it used to give a keyup as well).

EV_KEY is different. Value 1 is physical depress. Value 0 is physical release. Value 2 is autorepeat.

These EV_KEYs are currently emitted as keydown, keyup, and keypress. So you don't get keydown (or keyup) from autorepeats. And you don't get a keypress from any physical key depresses, only from autorepeats.

So while this looks like the browser api, it behaves differently. Which is confusing.

Some possibilities include: (a) document that you don't get keydown for autorepeats, and don't get keypress for physical presses; (b) rename keypress to repeat; (c) rename keyup and keydown to depress and release. (Or to keyrepeat, keydepress, keyrelease?)

Thanks for your work!

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