Support polyphonic keypress in sslider #3
Description
The th.sslider currently has mode 0 (monophonic) and mode 2 (touchscreen), similar to the [kslider], only a polyphonic mode is still missing.
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The th.sslider currently has mode 0 (monophonic) and mode 2 (touchscreen), similar to the [kslider], only a polyphonic mode is still missing.