[squeak-dev] Please try it out | Fixing the input mapping for keystroke events

Nicolas Cellier nicolas.cellier.aka.nice at gmail.com
Sat Apr 24 18:58:35 UTC 2021


Hi Marcel,
I tried it on macos and windows, no problem so far.
I had some fun with the exercizer, some combinations are surprising
indeed...

Le ven. 23 avr. 2021 à 18:23, Marcel Taeumel <marcel.taeumel at hpi.de> a
écrit :

> Hi all!
>
> Please find attached an updated changeset with a "KeyboardExerciser" to
> help you test and inspect the incoming keyboard events. You can find it
> also in the parts bin nearby the "ClickExerciser".
>
>
> The visuals are supposed to look platform-specific. However, the event
> data contains information to make your application work across platforms.
> See KeyboardEvent >> #checkCommandKey for more explanations.
>
> Try [CTRL]+[C] for keyStroke, keyDown, and keyUp.
>
> Note that the visuals might not look right for keyUp and keyDown events
> due to missing lookup tables for the raw, platform-specific key codes. On
> my machine, for example, [,] and [.] and [-] look odd:
>
>
>
> Nothing to worry about because all keyboard shortcuts in Squeak use
> keyStroke events at the moment.
>
> Best,
> Marcel
>
> Am 22.04.2021 10:41:15 schrieb Marcel Taeumel <marcel.taeumel at hpi.de>:
> Hi all!
>
> Please find attached a changeset that improves the cross-platform base for
> keystroke events. Please try it out and take a look at it. Report issues
> ASAP so that I can merge it into Trunk soon.
>
> Thanks to Tom (tobe), the new promising idea is to replace the existing
> attempt:
>
> Duplicate all control and alt keys
> Duplicate control and alt keys
> Swap control and alt keys
>
> With the following preferences:
>
> [X] Map ASCII control characters to printable characters
>  - Default is TRUE
>  - Only affects events that have the CONTROL modifier set (e.g. CTRL+J)
>  - Rather application-specific than platform-specific
> [X] Map CONTROL keys to COMMAND keys
>  - Checked at image start-up
>  - TRUE on Windows/Linux
>  - FALSE on macOS
> [X] Map ALT keys to OPTION keys
>  - Checked at image start-up
>  - TRUE on Windows/Linux
>  - FALSE on macOS (bc. ALT==CMD on recent Linux/Windows VMs)
>
> Please take a look at KeyboardEvent >> #checkCommandKey to learn about the
> fundamental trade-off we have solved.
>
> Please try out your preferred applications. Feel free to add logging to
> HandMorph >> #logEvent: for more convenient testing:
>
> (anEvent isKeyboard and: [anEvent isKeystroke])
>    ifTrue: [Transcript showln: anEvent].
>
> Thanks!
>
> Best,
> Marcel (and Tom)
>
>
>
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