gotty/webtty/option.go
2017-08-24 14:40:28 +09:00

63 lines
1.3 KiB
Go

package webtty
import (
"encoding/json"
"github.com/pkg/errors"
)
// Option is an option for WebTTY.
type Option func(*WebTTY) error
// WithPermitWrite sets a WebTTY to accept input from slaves.
func WithPermitWrite() Option {
return func(wt *WebTTY) error {
wt.permitWrite = true
return nil
}
}
// WithFixedColumns sets a fixed width to TTY master.
func WithFixedColumns(columns int) Option {
return func(wt *WebTTY) error {
wt.columns = columns
return nil
}
}
// WithFixedRows sets a fixed height to TTY master.
func WithFixedRows(rows int) Option {
return func(wt *WebTTY) error {
wt.rows = rows
return nil
}
}
// WithWindowTitle sets the default window title of the session
func WithWindowTitle(windowTitle []byte) Option {
return func(wt *WebTTY) error {
wt.windowTitle = windowTitle
return nil
}
}
// WithReconnect enables reconnection on the master side.
func WithReconnect(timeInSeconds int) Option {
return func(wt *WebTTY) error {
wt.reconnect = timeInSeconds
return nil
}
}
// WithMasterPreferences sets an optional configuration of master.
func WithMasterPreferences(preferences interface{}) Option {
return func(wt *WebTTY) error {
prefs, err := json.Marshal(preferences)
if err != nil {
return errors.Wrapf(err, "failed to marshal preferences as JSON")
}
wt.masterPrefs = prefs
return nil
}
}