package commands import ( "errors" "fmt" "strconv" "strings" "git.sr.ht/~sircmpwn/aerc2/widgets" ) func init() { Register("next-message", NextPrevMessage) Register("prev-message", NextPrevMessage) } func nextPrevMessageUsage(cmd string) error { return errors.New(fmt.Sprintf("Usage: %s [<n>[%%]]", cmd)) } func NextPrevMessage(aerc *widgets.Aerc, args []string) error { if len(args) > 2 { return nextPrevMessageUsage(args[0]) } var ( n int = 1 err error pct bool ) if len(args) > 1 { if strings.HasSuffix(args[1], "%") { pct = true args[1] = args[1][:len(args[1])-1] } n, err = strconv.Atoi(args[1]) if err != nil { return nextPrevMessageUsage(args[0]) } } acct := aerc.SelectedAccount() if acct == nil { return errors.New("No account selected") } if pct { n = int(float64(acct.Messages().Height()) * (float64(n) / 100.0)) } for ; n > 0; n-- { if args[0] == "prev-message" { acct.Messages().Prev() } else { acct.Messages().Next() } } return nil }