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keyboard.go
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keyboard.go
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// This file is subject to a 1-clause BSD license.
// Its contents can be found in the enclosed LICENSE file.
package termbox
import (
"github.com/pwaller/keyboard"
term "github.com/nsf/termbox-go"
)
// Keyboard is a keyboard backend for termbox-go.
type Keyboard struct {
*keyboard.Base
}
// New constructs a new keyboard instance.
func New() keyboard.Keyboard {
kb := new(Keyboard)
kb.Base = keyboard.NewBase()
return kb
}
// Poll should be called in the termbox event loop.
// The argument should be a valid termbox event object.
func (kb *Keyboard) Poll(data interface{}) {
evt, ok := data.(term.Event)
if !ok || evt.Type != term.EventKey {
return // Not meant for us.
}
var key keyboard.Key
var mod keyboard.Modifier
if evt.Mod == term.ModAlt {
mod = keyboard.ModAlt
}
if evt.Ch > 0 {
if evt.Ch >= 'A' && evt.Ch <= 'Z' {
mod |= keyboard.ModShift
}
switch evt.Ch {
case 'a', 'A':
key = keyboard.KeyA
case 'b', 'B':
key = keyboard.KeyB
case 'c', 'C':
key = keyboard.KeyC
case 'd', 'D':
key = keyboard.KeyD
case 'e', 'E':
key = keyboard.KeyE
case 'f', 'F':
key = keyboard.KeyF
case 'g', 'G':
key = keyboard.KeyG
case 'h', 'H':
key = keyboard.KeyH
case 'i', 'I':
key = keyboard.KeyI
case 'j', 'J':
key = keyboard.KeyJ
case 'k', 'K':
key = keyboard.KeyK
case 'l', 'L':
key = keyboard.KeyL
case 'm', 'M':
key = keyboard.KeyM
case 'n', 'N':
key = keyboard.KeyN
case 'o', 'O':
key = keyboard.KeyO
case 'p', 'P':
key = keyboard.KeyP
case 'q', 'Q':
key = keyboard.KeyQ
case 'r', 'R':
key = keyboard.KeyR
case 's', 'S':
key = keyboard.KeyS
case 't', 'T':
key = keyboard.KeyT
case 'u', 'U':
key = keyboard.KeyU
case 'v', 'V':
key = keyboard.KeyV
case 'w', 'W':
key = keyboard.KeyW
case 'x', 'X':
key = keyboard.KeyX
case 'y', 'Y':
key = keyboard.KeyY
case 'z', 'Z':
key = keyboard.KeyZ
case '0':
key = keyboard.Key0
case ')':
mod |= keyboard.ModShift
key = keyboard.Key0
case '1':
key = keyboard.Key1
case '!':
mod |= keyboard.ModShift
key = keyboard.Key1
case '2':
key = keyboard.Key2
case '@':
mod |= keyboard.ModShift
key = keyboard.Key2
case '3':
key = keyboard.Key3
case '#':
mod |= keyboard.ModShift
key = keyboard.Key3
case '4':
key = keyboard.Key4
case '$':
mod |= keyboard.ModShift
key = keyboard.Key4
case '5':
key = keyboard.Key5
case '%':
mod |= keyboard.ModShift
key = keyboard.Key5
case '6':
key = keyboard.Key6
case '^':
mod |= keyboard.ModShift
key = keyboard.Key6
case '7':
key = keyboard.Key7
case '&':
mod |= keyboard.ModShift
key = keyboard.Key7
case '8':
case '*':
mod |= keyboard.ModShift
key = keyboard.Key8
case '9':
case '(':
mod |= keyboard.ModShift
key = keyboard.Key9
case '`':
key = keyboard.KeyGraveAccent
case '~':
mod |= keyboard.ModShift
key = keyboard.KeyGraveAccent
case ',':
key = keyboard.KeyComma
case '<':
mod |= keyboard.ModShift
key = keyboard.KeyComma
case '.':
key = keyboard.KeyPeriod
case '>':
mod |= keyboard.ModShift
key = keyboard.KeyPeriod
case '/':
key = keyboard.KeySlash
case '?':
mod |= keyboard.ModShift
key = keyboard.KeySlash
case ';':
key = keyboard.KeySemicolon
case ':':
mod |= keyboard.ModShift
key = keyboard.KeySemicolon
case '\'':
key = keyboard.KeyApostrophe
case '"':
mod |= keyboard.ModShift
key = keyboard.KeyApostrophe
case '-':
key = keyboard.KeyMinus
case '_':
mod |= keyboard.ModShift
key = keyboard.KeyMinus
case '=':
key = keyboard.KeyEqual
case '+':
mod |= keyboard.ModShift
key = keyboard.KeyEqual
case '[':
key = keyboard.KeyLeftBracket
case '{':
mod |= keyboard.ModShift
key = keyboard.KeyLeftBracket
case ']':
key = keyboard.KeyRightBracket
case '}':
mod |= keyboard.ModShift
key = keyboard.KeyRightBracket
case '\\':
key = keyboard.KeyBackslash
case '|':
mod |= keyboard.ModShift
key = keyboard.KeyBackslash
}
kb.RecordKey(key, mod)
return
}
switch evt.Key {
case term.KeyBackspace:
key = keyboard.KeyBackspace
case term.KeyTab:
key = keyboard.KeyTab
case term.KeyEsc:
key = keyboard.KeyEscape
case term.KeySpace:
key = keyboard.KeySpace
case term.KeyF1:
key = keyboard.KeyF1
case term.KeyF2:
key = keyboard.KeyF2
case term.KeyF3:
key = keyboard.KeyF3
case term.KeyF4:
key = keyboard.KeyF4
case term.KeyF5:
key = keyboard.KeyF5
case term.KeyF6:
key = keyboard.KeyF6
case term.KeyF7:
key = keyboard.KeyF7
case term.KeyF8:
key = keyboard.KeyF8
case term.KeyF9:
key = keyboard.KeyF9
case term.KeyF10:
key = keyboard.KeyF10
case term.KeyF11:
key = keyboard.KeyF11
case term.KeyF12:
key = keyboard.KeyF12
case term.KeyInsert:
key = keyboard.KeyInsert
case term.KeyDelete:
key = keyboard.KeyDelete
case term.KeyHome:
key = keyboard.KeyHome
case term.KeyEnd:
key = keyboard.KeyEnd
case term.KeyPgup:
key = keyboard.KeyPageUp
case term.KeyPgdn:
key = keyboard.KeyPageDown
case term.KeyArrowUp:
key = keyboard.KeyUp
case term.KeyArrowDown:
key = keyboard.KeyDown
case term.KeyArrowLeft:
key = keyboard.KeyLeft
case term.KeyArrowRight:
key = keyboard.KeyRight
case term.KeyCtrlTilde:
key = keyboard.KeyGraveAccent
mod = keyboard.ModCtrl
case term.KeyCtrlA:
key = keyboard.KeyA
mod = keyboard.ModCtrl
case term.KeyCtrlB:
key = keyboard.KeyB
mod = keyboard.ModCtrl
case term.KeyCtrlC:
key = keyboard.KeyC
mod = keyboard.ModCtrl
case term.KeyCtrlD:
key = keyboard.KeyD
mod = keyboard.ModCtrl
case term.KeyCtrlE:
key = keyboard.KeyE
mod = keyboard.ModCtrl
case term.KeyCtrlF:
key = keyboard.KeyF
mod = keyboard.ModCtrl
case term.KeyCtrlG:
key = keyboard.KeyG
mod = keyboard.ModCtrl
case term.KeyCtrlJ:
key = keyboard.KeyJ
mod = keyboard.ModCtrl
case term.KeyCtrlK:
key = keyboard.KeyK
mod = keyboard.ModCtrl
case term.KeyCtrlL:
key = keyboard.KeyL
mod = keyboard.ModCtrl
case term.KeyCtrlM:
kb.RecordKey(keyboard.KeyEnter, mod)
key = keyboard.KeyM
mod = keyboard.ModCtrl
case term.KeyCtrlN:
key = keyboard.KeyN
mod = keyboard.ModCtrl
case term.KeyCtrlO:
key = keyboard.KeyO
mod = keyboard.ModCtrl
case term.KeyCtrlP:
key = keyboard.KeyP
mod = keyboard.ModCtrl
case term.KeyCtrlQ:
key = keyboard.KeyQ
mod = keyboard.ModCtrl
case term.KeyCtrlR:
key = keyboard.KeyR
mod = keyboard.ModCtrl
case term.KeyCtrlS:
key = keyboard.KeyS
mod = keyboard.ModCtrl
case term.KeyCtrlT:
key = keyboard.KeyT
mod = keyboard.ModCtrl
case term.KeyCtrlU:
key = keyboard.KeyU
mod = keyboard.ModCtrl
case term.KeyCtrlV:
key = keyboard.KeyV
mod = keyboard.ModCtrl
case term.KeyCtrlW:
key = keyboard.KeyW
mod = keyboard.ModCtrl
case term.KeyCtrlX:
key = keyboard.KeyX
mod = keyboard.ModCtrl
case term.KeyCtrlY:
key = keyboard.KeyY
mod = keyboard.ModCtrl
case term.KeyCtrlZ:
key = keyboard.KeyZ
mod = keyboard.ModCtrl
case term.KeyCtrlBackslash:
key = keyboard.KeyBackslash
mod = keyboard.ModCtrl
case term.KeyCtrlRsqBracket:
key = keyboard.KeyRightBracket
mod = keyboard.ModCtrl
case term.KeyCtrl6:
key = keyboard.Key6
mod = keyboard.ModCtrl
case term.KeyCtrlUnderscore:
key = keyboard.KeyMinus
mod = keyboard.ModCtrl
case term.KeyCtrl8:
key = keyboard.Key8
mod = keyboard.ModCtrl
default:
key = keyboard.KeyUnknown
}
kb.RecordKey(key, mod)
}