riverctl: implement river-options interface
To make this cleaner, introduce some arg-parsing infrastructure that will useful when porting riverctl to river-control-v2 in the future as well.
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@ -280,6 +280,25 @@ A complete list may be found in _/usr/include/linux/input-event-codes.h_
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and is made available through the _XCURSOR_THEME_ and _XCURSOR_SIZE_
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environment variables.
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# OPTIONS
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River has various options that are saved in a typed key-value store. It also
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allows users to store arbitrary custom options in the store. Options are
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scoped either globally or per-output if the -output flag is passed with the
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name of the output as obtained from the xdg-output protocol.
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*declare-option* [-output _output_name_] _name_ _type_ _value_
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Declare a new option with the given _type_ and inital _value_. If
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the option already exists with the given _type_, it is still set
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to _value_. If the option already exists with a different type,
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nothing happens.
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*get-option* [-output _output_name_] _name_
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Print the current value of the given option to stdout.
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*set-option* [-output _output_name_] _name_ _value_
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Set the value of the specified option to _value_.
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# EXAMPLES
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Bind bemenu-run to Super+P in normal mode:
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