Forward key events to child terminal

This commit is contained in:
Drew DeVault 2019-03-21 19:50:54 -04:00
parent 699f1cf7a6
commit 28f393bdbd
3 changed files with 140 additions and 2 deletions

2
go.mod
View File

@ -1,7 +1,7 @@
module git.sr.ht/~sircmpwn/aerc2
require (
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190317210455-72d6c2838fbe
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190321231430-3db654768b06
github.com/emersion/go-imap v1.0.0-beta.1
github.com/emersion/go-imap-idle v0.0.0-20180114101550-2af93776db6b
github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197 // indirect

4
go.sum
View File

@ -8,6 +8,10 @@ git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190317205953-0674b071e8bf h1:6Ynr+M6lUn
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190317205953-0674b071e8bf/go.mod h1:hT88+cTemwwESbMptwC7O33qrJfQX0SgRWbXlndUS2c=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190317210455-72d6c2838fbe h1:pg73OOcg6PZp+XUOsFaqGG4Heu3kYAJZHSaS6eRRmJk=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190317210455-72d6c2838fbe/go.mod h1:hT88+cTemwwESbMptwC7O33qrJfQX0SgRWbXlndUS2c=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190321231235-12f4bd976b20 h1:5oQDpkPYOnIJZnbT5jgUhpRqOkHcbMLe2vmHHRcmcys=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190321231235-12f4bd976b20/go.mod h1:hT88+cTemwwESbMptwC7O33qrJfQX0SgRWbXlndUS2c=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190321231430-3db654768b06 h1:x9azyMxWqgTq4ARhNbYKHejt0PMhLi8J2XnuEsih9Qc=
git.sr.ht/~sircmpwn/go-libvterm v0.0.0-20190321231430-3db654768b06/go.mod h1:hT88+cTemwwESbMptwC7O33qrJfQX0SgRWbXlndUS2c=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/emersion/go-imap v1.0.0-beta.1 h1:bTCaVlUnb5mKoW9lEukusxguSYYZPer+q0g5t+vw5X0=

View File

@ -12,6 +12,81 @@ import (
"github.com/kr/pty"
)
type vtermKey struct {
Key vterm.Key
Rune rune
Mod vterm.Modifier
}
var keyMap map[tcell.Key]vtermKey
func directKey(key vterm.Key) vtermKey {
return vtermKey{key, 0, vterm.ModNone}
}
func runeMod(r rune, mod vterm.Modifier) vtermKey {
return vtermKey{vterm.KeyNone, r, mod}
}
func keyMod(key vterm.Key, mod vterm.Modifier) vtermKey {
return vtermKey{key, 0, mod}
}
func init() {
keyMap = make(map[tcell.Key]vtermKey)
keyMap[tcell.KeyCtrlSpace] = runeMod(' ', vterm.ModCtrl)
keyMap[tcell.KeyCtrlA] = runeMod('a', vterm.ModCtrl)
keyMap[tcell.KeyCtrlB] = runeMod('b', vterm.ModCtrl)
keyMap[tcell.KeyCtrlC] = runeMod('c', vterm.ModCtrl)
keyMap[tcell.KeyCtrlD] = runeMod('d', vterm.ModCtrl)
keyMap[tcell.KeyCtrlE] = runeMod('e', vterm.ModCtrl)
keyMap[tcell.KeyCtrlF] = runeMod('f', vterm.ModCtrl)
keyMap[tcell.KeyCtrlG] = runeMod('g', vterm.ModCtrl)
keyMap[tcell.KeyCtrlH] = runeMod('h', vterm.ModCtrl)
keyMap[tcell.KeyCtrlI] = runeMod('i', vterm.ModCtrl)
keyMap[tcell.KeyCtrlJ] = runeMod('j', vterm.ModCtrl)
keyMap[tcell.KeyCtrlK] = runeMod('k', vterm.ModCtrl)
keyMap[tcell.KeyCtrlL] = runeMod('l', vterm.ModCtrl)
keyMap[tcell.KeyCtrlM] = runeMod('m', vterm.ModCtrl)
keyMap[tcell.KeyCtrlN] = runeMod('n', vterm.ModCtrl)
keyMap[tcell.KeyCtrlO] = runeMod('o', vterm.ModCtrl)
keyMap[tcell.KeyCtrlP] = runeMod('p', vterm.ModCtrl)
keyMap[tcell.KeyCtrlQ] = runeMod('q', vterm.ModCtrl)
keyMap[tcell.KeyCtrlR] = runeMod('r', vterm.ModCtrl)
keyMap[tcell.KeyCtrlS] = runeMod('s', vterm.ModCtrl)
keyMap[tcell.KeyCtrlT] = runeMod('t', vterm.ModCtrl)
keyMap[tcell.KeyCtrlU] = runeMod('u', vterm.ModCtrl)
keyMap[tcell.KeyCtrlV] = runeMod('v', vterm.ModCtrl)
keyMap[tcell.KeyCtrlW] = runeMod('w', vterm.ModCtrl)
keyMap[tcell.KeyCtrlX] = runeMod('x', vterm.ModCtrl)
keyMap[tcell.KeyCtrlY] = runeMod('y', vterm.ModCtrl)
keyMap[tcell.KeyCtrlZ] = runeMod('z', vterm.ModCtrl)
keyMap[tcell.KeyCtrlBackslash] = runeMod('\\', vterm.ModCtrl)
keyMap[tcell.KeyCtrlCarat] = runeMod('^', vterm.ModCtrl)
keyMap[tcell.KeyCtrlUnderscore] = runeMod('_', vterm.ModCtrl)
keyMap[tcell.KeyEnter] = directKey(vterm.KeyEnter)
keyMap[tcell.KeyTab] = directKey(vterm.KeyTab)
keyMap[tcell.KeyBackspace] = directKey(vterm.KeyBackspace)
keyMap[tcell.KeyEscape] = directKey(vterm.KeyEscape)
keyMap[tcell.KeyUp] = directKey(vterm.KeyUp)
keyMap[tcell.KeyDown] = directKey(vterm.KeyDown)
keyMap[tcell.KeyLeft] = directKey(vterm.KeyLeft)
keyMap[tcell.KeyRight] = directKey(vterm.KeyRight)
keyMap[tcell.KeyInsert] = directKey(vterm.KeyIns)
keyMap[tcell.KeyDelete] = directKey(vterm.KeyDel)
keyMap[tcell.KeyHome] = directKey(vterm.KeyHome)
keyMap[tcell.KeyEnd] = directKey(vterm.KeyEnd)
keyMap[tcell.KeyPgUp] = directKey(vterm.KeyPageUp)
keyMap[tcell.KeyPgDn] = directKey(vterm.KeyPageDown)
for i := 0; i < 64; i++ {
keyMap[tcell.Key(int(tcell.KeyF1)+i)] =
directKey(vterm.Key(int(vterm.KeyFunction0) + i))
}
keyMap[tcell.KeyTAB] = directKey(vterm.KeyTab)
keyMap[tcell.KeyESC] = directKey(vterm.KeyEscape)
keyMap[tcell.KeyDEL] = directKey(vterm.KeyBackspace)
}
type Terminal struct {
closed bool
cmd *exec.Cmd
@ -43,11 +118,14 @@ func NewTerminal(cmd *exec.Cmd) (*Terminal, error) {
for {
n, err := term.pty.Read(buf)
if err != nil {
term.Close(err)
// These are generally benine errors when the process exits
term.Close(nil)
return
}
n, err = term.vterm.Write(buf[:n])
if err != nil {
term.Close(err)
return
}
term.Invalidate()
}
@ -87,6 +165,25 @@ func NewTerminal(cmd *exec.Cmd) (*Terminal, error) {
return term, nil
}
func (term *Terminal) flushTerminal() {
buf := make([]byte, 2048)
for {
n, err := term.vterm.Read(buf)
if err != nil {
term.Close(err)
return
}
if n == 0 {
break
}
n, err = term.pty.Write(buf[:n])
if err != nil {
term.Close(err)
return
}
}
}
func (term *Terminal) Close(err error) {
term.err = err
if term.vterm != nil {
@ -193,7 +290,44 @@ func (term *Terminal) Focus(focus bool) {
term.resetCursor()
}
func convertMods(mods tcell.ModMask) vterm.Modifier {
var (
ret uint = 0
mask uint = uint(mods)
)
if mask&uint(tcell.ModShift) > 0 {
ret |= uint(vterm.ModShift)
}
if mask&uint(tcell.ModCtrl) > 0 {
ret |= uint(vterm.ModCtrl)
}
if mask&uint(tcell.ModAlt) > 0 {
ret |= uint(vterm.ModAlt)
}
return vterm.Modifier(ret)
}
func (term *Terminal) Event(event tcell.Event) bool {
switch event := event.(type) {
case *tcell.EventKey:
if event.Key() == tcell.KeyRune {
term.vterm.KeyboardUnichar(
event.Rune(), convertMods(event.Modifiers()))
} else {
if key, ok := keyMap[event.Key()]; ok {
if key.Key == vterm.KeyNone {
term.vterm.KeyboardUnichar(
key.Rune, key.Mod)
} else if key.Mod == vterm.ModNone {
term.vterm.KeyboardKey(key.Key,
convertMods(event.Modifiers()))
} else {
term.vterm.KeyboardKey(key.Key, key.Mod)
}
}
}
term.flushTerminal()
}
return false
}