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readline: added suspend handling and dont print special characters

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Henrixounez 2019-09-05 13:55:28 +02:00 committed by Alexander Medvednikov
parent c12d4d1bd2
commit f83bc9528d
1 changed files with 9 additions and 1 deletions
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10
vlib/readline/readline_lin.v
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@ -63,6 +63,7 @@ enum Action {
history_next history_next
overwrite overwrite
clear_screen clear_screen
suspend
} }
// Toggle raw mode of the terminal by changing its attributes // Toggle raw mode of the terminal by changing its attributes
@ -150,7 +151,8 @@ fn (r Readline) analyse(c byte) Action {
case 27 : return r.analyse_control() // ESC case 27 : return r.analyse_control() // ESC
case 1 : return Action.move_cursor_begining // ^A case 1 : return Action.move_cursor_begining // ^A
case 5 : return Action.move_cursor_end // ^E case 5 : return Action.move_cursor_end // ^E
default : return Action.insert_character case 26 : return Action.suspend // CTRL + Z, SUB
default : return if c >= ` ` { Action.insert_character } else { Action.nothing }
} }
} }
@ -215,6 +217,7 @@ fn (r mut Readline) execute(a Action, c byte) bool {
case Action.history_next: r.history_next() case Action.history_next: r.history_next()
case Action.overwrite: r.switch_overwrite() case Action.overwrite: r.switch_overwrite()
case Action.clear_screen: r.clear_screen() case Action.clear_screen: r.clear_screen()
case Action.suspend: r.suspend()
} }
return false return false
} }
@ -404,3 +407,8 @@ fn (r mut Readline) history_next() {
r.cursor = r.current.len r.cursor = r.current.len
r.refresh_line() r.refresh_line()
} }
fn (r mut Readline) suspend() {
C.raise(C.SIGSTOP)
r.refresh_line()
}