package zenity import ( "os/exec" "github.com/ncruces/zenity/internal/zenutil" ) func message(kind messageKind, text string, options []Option) (bool, error) { opts := applyOptions(options) var data zenutil.Msg data.Text = text data.Options.Timeout = zenutil.Timeout // dialog is more flexible, alert prettier var dialog bool if opts.icon != 0 { // use if we want to show a specific icon dialog = true } else if kind == questionKind && opts.cancelLabel == nil { // use for questions with default buttons dialog = true } if dialog { data.Operation = "displayDialog" data.Options.Title = opts.title switch opts.icon { case ErrorIcon: data.Options.Icon = "stop" case WarningIcon: data.Options.Icon = "caution" case InfoIcon, QuestionIcon: data.Options.Icon = "note" } } else { data.Operation = "displayAlert" if opts.title != nil { data.Text = *opts.title data.Options.Message = text } switch kind { case infoKind: data.Options.As = "informational" case warningKind: data.Options.As = "warning" case errorKind: data.Options.As = "critical" } } if kind == questionKind { // alert defaults to a single button, we need two if opts.cancelLabel == nil && !dialog { opts.cancelLabel = stringPtr("Cancel") } } else { // dialog defaults to two buttons, we need one if opts.okLabel == nil && dialog { opts.okLabel = stringPtr("OK") } // only questions have cancel opts.cancelLabel = nil } if opts.okLabel != nil || opts.cancelLabel != nil || opts.extraButton != nil { if opts.okLabel == nil { opts.okLabel = stringPtr("OK") } if kind == questionKind { if opts.cancelLabel == nil { opts.cancelLabel = stringPtr("Cancel") } if opts.extraButton == nil { data.Options.Buttons = []string{*opts.cancelLabel, *opts.okLabel} data.Options.Default = 2 data.Options.Cancel = 1 } else { data.Options.Buttons = []string{*opts.extraButton, *opts.cancelLabel, *opts.okLabel} data.Options.Default = 3 data.Options.Cancel = 2 } } else { if opts.extraButton == nil { data.Options.Buttons = []string{*opts.okLabel} data.Options.Default = 1 } else { data.Options.Buttons = []string{*opts.extraButton, *opts.okLabel} data.Options.Default = 2 } } data.Extra = opts.extraButton } if kind == questionKind && opts.defaultCancel { if data.Options.Cancel != 0 { data.Options.Default = data.Options.Cancel } else { data.Options.Default = 1 } } out, err := zenutil.Run(opts.ctx, "msg", data) if len(out) > 0 && opts.extraButton != nil && string(out[:len(out)-1]) == *opts.extraButton { return false, ErrExtraButton } if err, ok := err.(*exec.ExitError); ok && err.ExitCode() == 1 { return false, nil } if err != nil { return false, err } return true, err }