Merge pull request #96 from tjboldt/fix-vi-arrows

Fixes #94 VT100 arrow keys for application mode
This commit is contained in:
Terence Boldt 2022-03-01 08:31:30 -05:00 committed by GitHub
commit 869eb25c11
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -14,6 +14,7 @@ var escapeSequence string
var operatingSystemSequence bool
var windowTop int
var windowBottom = 23
var applicationMode = false
func sendCharacter(comm A2Io, b byte) {
if b == 0x1b {
@ -63,11 +64,11 @@ func sendCharacter(comm A2Io, b byte) {
switch escapeSequence {
// Set/clear application mode for cursor
case "^[[?1h":
//applicationMode = true
applicationMode = true
escapeSequence = ""
return
case "^[[?1l":
//applicationMode = false
applicationMode = false
comm.WriteByte('T')
comm.WriteByte(0x00)
comm.WriteByte('B')
@ -222,6 +223,20 @@ func readCharacter(comm A2Io) (string, error) {
b, err := comm.ReadByte()
var s = string(b)
if err == nil {
if applicationMode {
switch b {
case 0x0b: // up
s = "\033OA"
case 0x0a: // down
s = "\033OB"
case 0x15: // right
s = "\033OC"
case 0x08: // left
s = "\033OD"
case 0x0d: // return
s = string(byte(0x0a))
}
} else {
switch b {
case 0x0b: // up
s = "\033[A"
@ -235,5 +250,6 @@ func readCharacter(comm A2Io) (string, error) {
s = string(byte(0x0a))
}
}
}
return s, err
}