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sshd/terminal: Add Terminal.ClearLine option

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This commit is contained in:
Andrey Petrov 2019-03-17 17:35:49 -04:00
parent 596d41ff29
commit 1ba36b785c
1 changed files with 14 additions and 1 deletions
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15
sshd/terminal/terminal.go
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@ -44,6 +44,11 @@ type Terminal struct {
// and the new cursor position. // and the new cursor position.
AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool)
// ClearLine will clear the input line on enter, instead of printing a new
// line after the input. It's useful for replacing the input with something
// else without echoing it.
ClearLine bool
// Escape contains a pointer to the escape codes for this terminal. // Escape contains a pointer to the escape codes for this terminal.
// It's always a valid pointer, although the escape codes themselves // It's always a valid pointer, although the escape codes themselves
// may be empty if the terminal doesn't support them. // may be empty if the terminal doesn't support them.
@ -507,8 +512,16 @@ func (t *Terminal) handleKey(key rune) (line string, ok bool) {
} }
case keyEnter: case keyEnter:
t.moveCursorToPos(len(t.line)) t.moveCursorToPos(len(t.line))
t.queue([]rune("\r\n"))
line = string(t.line) line = string(t.line)
if t.ClearLine {
// Clear line on enter instead of starting a new line
t.eraseNPreviousChars(t.pos)
ok = true
return
}
t.queue([]rune("\r\n"))
ok = true ok = true
t.line = t.line[:0] t.line = t.line[:0]
t.pos = 0 t.pos = 0