package commands import ( "fmt" "strconv" "strings" "git.sr.ht/~sircmpwn/aerc/widgets" ) type MoveTab struct{} func init() { register(MoveTab{}) } func (MoveTab) Aliases() []string { return []string{"move-tab"} } func (MoveTab) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (MoveTab) Execute(aerc *widgets.Aerc, args []string) error { if len(args) == 1 { return fmt.Errorf("Usage: %s [+|-]", args[0]) } joinedArgs := strings.Join(args[1:], "") n, err := strconv.Atoi(joinedArgs) if err != nil { return fmt.Errorf("failed to parse index argument: %v", err) } i := aerc.SelectedTabIndex() l := aerc.NumTabs() if strings.HasPrefix(joinedArgs, "+") { i = (i + n) % l } else if strings.HasPrefix(joinedArgs, "-") { i = (((i + n) % l) + l) % l } else { i = n } aerc.MoveTab(i) return nil }