ansi/keys

src/ansi/keys.tur

normalized key-name strings, byte parsing, and inverse mapping.

defn

parse-key-bytes

(parse-key-bytes [bytes :cstr len :int])

decode a byte buffer into a normalized key name.

Parameters

bytes		pointer to raw bytes (terminal input)
len		number of bytes

Returns

A malloc'd cstr key name. Unknown sequences are returned as "<raw:HH...>" hex so all input is printable.

Since: tur-ansi AN2

defn

(key-name->bytes [name :cstr])

inverse of parse-key-bytes.

defn

(key-ctrl? [k :cstr])

1 when the key name carries a C- modifier prefix.

defn

(key-shift? [k :cstr])

1 when the key name carries an S- modifier prefix.

defn

(key-alt? [k :cstr])

1 when the key name carries an M- (Meta/Alt) modifier prefix.

Internal definitions

key-- 1 when two normalized key names are equal, 0 otherwise.