D-BUS Configuration API v2
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The X server will register the bus name org.x.config.displayN, and the
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object /org/x/config/N, where N is the display number.
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Currently only hotplugging of input devices is supported.
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org.x.config.input:
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org.x.config.input.version:
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Returns one unsigned int32, which is the API version.
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org.x.config.input.add:
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Takes an argument of key/value option pairs in arrays, e.g.:
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[ss][ss][ss][ss]
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is the signature for four options. These options will be passed
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to the input driver as with any others.
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Option names beginning with _ are not allowed; they are reserved
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for internal use.
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Returns a number of signed int32s. Positive integers are the
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device IDs of new devices; negative numbers are X error codes,
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as defined in X.h. BadMatch will be returned if the options
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given do not match any device. BadValue is returned for a malformed
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message. (Example: 8 is new device ID 8; -8 is BadMatch.)
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Notably, BadAlloc is never returned: the server internally signals
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to D-BUS that the attempt failed for lack of memory.
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org.x.config.input.remove:
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Takes one uint32 argument, which is the device ID to remove, i.e.:
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u
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is the signature.
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Returns one signed int32 which represents an X status as defined in
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X.h. See org.x.config.input.add. Error codes are negative numbers.
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org.x.config.input.listDevices:
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Lists the currently active devices. No argument.
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Return value is sequence of [<id> <name>] [<id> <name>] ..., i.e. [us].
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