110 lines
1.9 KiB
Go
110 lines
1.9 KiB
Go
package main
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import (
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"bufio"
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"encoding/binary"
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"encoding/json"
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"io"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"github.com/alexflint/go-arg"
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)
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type Key struct {
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name rune
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modifier string
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decimal int
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}
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type Keys []Key
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const (
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LCTRL byte = 1 << iota
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LSHIFT
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LALT
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LSUPER
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RCTRL
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RSHIFT
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RALT
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RSUPER
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)
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func Press(press [8]byte, file io.Writer) {
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binary.Write(file, binary.BigEndian, press[:])
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binary.Write(file, binary.BigEndian, [8]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
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}
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func Hold(press [8]byte, file io.Writer) {
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binary.Write(file, binary.BigEndian, press[:])
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}
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func main() {
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var (
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args struct {
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SHORTCUT string `arg:"-S,help:Keymap cycle shortcut"`
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ORDER []string `arg:positional,help:Order of keymaps`
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}
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hidg0 *os.File
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err error
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keymapsF []os.FileInfo
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keys map[string]Keys
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cfgPath = path.Join(os.Getenv("XDG_CONFIG_HOME"), "hid")
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stdin = bufio.NewReader(os.Stdin)
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currentKeyMap int
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good bool
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)
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arg.MustParse(&args)
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keymapsF, err = ioutil.ReadDir(cfgPath)
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if err != nil {
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panic(err)
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}
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hidg0, err = os.OpenFile("/dev/hidg0", os.O_WRONLY, os.ModePerm)
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if err != nil {
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panic(err)
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}
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for _, file := range keymapsF {
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var (
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ext string
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)
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ext = path.Ext(file.Name())
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if strings.ToLower(ext) == "json" {
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var (
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tmp Keys
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T *os.File
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content []byte
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)
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T, err = os.Open(strings.TrimSuffix(file.Name(), ext))
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if err != nil {
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panic(err)
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}
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content, err = ioutil.ReadAll(T)
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if err != nil {
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panic(err)
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}
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json.Unmarshal(content, tmp)
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keys[strings.TrimSuffix(file.Name(), ext)] = tmp
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T.Close()
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}
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}
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for good {
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var r rune
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r, _, err = stdin.ReadRune()
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for keys[args.ORDER[currentKeyMap]][r].name != r {
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Press([8]byte{LCTRL, 0x00, 0x57, 0x00, 0x00, 0x00, 0x00, 0x00}, hidg0)
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currentKeyMap++
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}
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}
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hidg0.Close()
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}
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