console.lua: implement real-time fuzzy autocompletion #15364
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For example, set vo gn<Tab> will complete to gpu-next.
10k properties makes the console hang and the CPU fan spin with live fuzzy filtering, so print fewer sub-properties. These are rarely useful anyway.
Show available completion suggestions as you type without having to press Tab. This is fast even on a 2011 CPU, so we can get away with doing this in the same thread that draws the console. The one case where it could make the console hang is file completion of network drives, but in general it is convenient for loadfile. mp.input.get clients also get a request to complete on each character typed, but those run in a different thread so performance is always fine, and completions were already rejected if the input line or cursor changed after the request. If I ever make running mpv commands an mp.input client in the future, command completion will also benefit from running in a different thread.
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Typing a command prefix crashes console because first_useful_token is nil. This already happened before implementing autocompletion if you did no-osd<Tab>, but autocompletion made it evident.
If you run a command without manually selecting a completion, select the first one. e.g. set vo gn runs set vo gpu-next.
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kasper93
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Nov 23, 2024
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console.lua: determine completions with fuzzy search
For example, set vo gn will complete to gpu-next.
console.lua: complete fewer properties
10k properties makes the console hang and the CPU fan spin with live fuzzy filtering, so print fewer sub-properties. These are rarely useful anyway.
console.lua: show completions as you type
Show available completion suggestions as you type without having to press Tab.
This is fast even on a 2011 CPU, so we can get away with doing this in the same thread that draws the console. The one case where it could make the console hang is file completion of network drives, but in general it is convenient for loadfile.
mp.input.get clients also get a request to complete on each character typed, but those run in a different thread so performance is always fine, and completions were already rejected if the input line or cursor changed after the request. If I ever make running mpv commands an mp.input client in the future, command completion will also benefit from running in a different thread.