Fix defaults (macOS).

cmd/zenity/main.go

@@ -17,6 +17,10 @@ import (
 
 //go:generate go run github.com/josephspurrier/goversioninfo/cmd/goversioninfo -platform-specific -manifest=win.manifest
 
+const (
+	unspecified = "\x00"
+)
+
 var (
 	// Application Options
 	notification      bool
@@ -122,14 +126,14 @@ func setupFlags() {
 	flag.BoolVar(&colorSelectionDlg, "color-selection", false, "Display color selection dialog")
 
 	// General options
-	flag.StringVar(&title, "title", "", "Set the dialog title")
+	flag.StringVar(&title, "title", "", "Set the dialog `title`")
-	flag.StringVar(&icon, "window-icon", "", "Set the window icon (error, info, question, warning)")
+	flag.StringVar(&icon, "window-icon", "", "Set the window `icon` (error, info, question, warning)")
-	flag.UintVar(&width, "width", 0, "Set the width")
+	flag.UintVar(&width, "width", 0, "Set the `width`")
-	flag.UintVar(&height, "height", 0, "Set the height")
+	flag.UintVar(&height, "height", 0, "Set the `height`")
 
 	// Message options
-	flag.StringVar(&text, "text", "", "Set the dialog text")
+	flag.StringVar(&text, "text", "", "Set the dialog `text`")
-	flag.StringVar(&icon, "icon-name", "", "Set the dialog icon (dialog-error, dialog-information, dialog-question, dialog-warning)")
+	flag.StringVar(&icon, "icon-name", "", "Set the dialog `icon` (dialog-error, dialog-information, dialog-question, dialog-warning)")
 	flag.StringVar(&okLabel, "ok-label", "", "Set the label of the OK button")
 	flag.StringVar(&cancelLabel, "cancel-label", "", "Set the label of the Cancel button")
 	flag.StringVar(&extraButton, "extra-button", "", "Add an extra button")
@@ -144,11 +148,11 @@ func setupFlags() {
 	flag.BoolVar(&confirmOverwrite, "confirm-overwrite", false, "Confirm file selection if filename already exists")
 	flag.BoolVar(&confirmCreate, "confirm-create", false, "Confirm file selection if filename does not yet exist (Windows only)")
 	flag.BoolVar(&showHidden, "show-hidden", false, "Show hidden files (Windows and macOS only)")
-	flag.StringVar(&filename, "filename", "", "Set the filename")
+	flag.StringVar(&filename, "filename", "", "Set the `filename`")
 	flag.Var(&fileFilters, "file-filter", "Set a filename filter (NAME | PATTERN1 PATTERN2 ...)")
 
 	// Color selection options
-	flag.StringVar(&defaultColor, "color", "", "Set the color")
+	flag.StringVar(&defaultColor, "color", "", "Set the `color`")
 	flag.BoolVar(&showPalette, "show-palette", false, "Show the palette")
 
 	// Windows specific options
@@ -157,9 +161,17 @@ func setupFlags() {
 		flag.BoolVar(&wslpath, "wslpath", false, "Use wslpath for path translation (Windows only)")
 	}
 
-	// Internal options
+	// Command options
-	flag.IntVar(&zenutil.Timeout, "timeout", 0, "Set dialog timeout in seconds")
+	flag.IntVar(&zenutil.Timeout, "timeout", 0, "Set dialog `timeout` in seconds")
-	flag.StringVar(&zenutil.Separator, "separator", "|", "Set output separator character")
+	flag.StringVar(&zenutil.Separator, "separator", "|", "Set output `separator` character")
+
+	// Detect unspecified values
+	title = unspecified
+	icon = unspecified
+	text = unspecified
+	okLabel = unspecified
+	cancelLabel = unspecified
+	extraButton = unspecified
 }
 
 func validateFlags() {
@@ -193,25 +205,45 @@ func validateFlags() {
 func loadFlags() []zenity.Option {
 	var opts []zenity.Option
 
+	// Defaults
+
+	setDefault := func(s *string, val string) {
+		if *s == unspecified {
+			*s = val
+		}
+	}
+	switch {
+	case errorDlg:
+		setDefault(&title, "Error")
+		setDefault(&icon, "dialog-error")
+		setDefault(&text, "An error has occurred.")
+	case infoDlg:
+		setDefault(&title, "Information")
+		setDefault(&icon, "dialog-information")
+		setDefault(&text, "All updates are complete.")
+	case warningDlg:
+		setDefault(&title, "Warning")
+		setDefault(&icon, "dialog-warning")
+		setDefault(&text, "Are you sure you want to proceed?")
+	case questionDlg:
+		setDefault(&title, "Question")
+		setDefault(&icon, "dialog-question")
+		setDefault(&text, "Are you sure you want to proceed?")
+	default:
+		setDefault(&text, "")
+	}
+
 	// General options
 
-	opts = append(opts, zenity.Title(title))
+	if title != unspecified {
+		opts = append(opts, zenity.Title(title))
+	}
 	opts = append(opts, zenity.Width(width))
 	opts = append(opts, zenity.Height(height))
 
 	// Message options
 
 	var ico zenity.DialogIcon
-	switch {
-	case errorDlg:
-		ico = zenity.ErrorIcon
-	case infoDlg:
-		ico = zenity.InfoIcon
-	case warningDlg:
-		ico = zenity.WarningIcon
-	case questionDlg:
-		ico = zenity.QuestionIcon
-	}
 	switch icon {
 	case "error", "dialog-error":
 		ico = zenity.ErrorIcon
@@ -224,9 +256,15 @@ func loadFlags() []zenity.Option {
 	}
 
 	opts = append(opts, zenity.Icon(ico))
-	opts = append(opts, zenity.OKLabel(okLabel))
+	if okLabel != unspecified {
-	opts = append(opts, zenity.CancelLabel(cancelLabel))
+		opts = append(opts, zenity.OKLabel(okLabel))
-	opts = append(opts, zenity.ExtraButton(extraButton))
+	}
+	if cancelLabel != unspecified {
+		opts = append(opts, zenity.CancelLabel(cancelLabel))
+	}
+	if extraButton != unspecified {
+		opts = append(opts, zenity.ExtraButton(extraButton))
+	}
 	if noWrap {
 		opts = append(opts, zenity.NoWrap())
 	}

internal/zenutil/osa_generated.go

@@ -28,10 +28,13 @@ if(Array.isArray(res)){res.join({{json .Separator}})}else{res.toString()}
 var app=Application.currentApplication()
 app.includeStandardAdditions=true
 app.activate()
+ObjC.import("stdlib")
+ObjC.import("stdio")
 var res=app.{{.Operation}}({{json .Text}},{{json .Options}})
-if(res.gaveUp){ObjC.import("stdlib")
+if(res.gaveUp){$.exit(5)}
-$.exit(5)}
+if(res.buttonReturned==={{json .Extra}}){$.puts(res.buttonReturned)
-if(res.buttonReturned==={{json .Extra}}){res.buttonReturned}else{void 0}
+$.exit(1)}
+void 0
 {{- end}}
 {{define "notify" -}}
 var app=Application.currentApplication()

internal/zenutil/osascripts/msg.gojs

@@ -2,13 +2,15 @@ var app = Application.currentApplication()
 app.includeStandardAdditions = true
 app.activate()
 
+ObjC.import("stdlib")
+ObjC.import("stdio")
+
 var res = app.{{.Operation}}({{json .Text}}, {{json .Options}})
 if (res.gaveUp) {
-	ObjC.import("stdlib")
 	$.exit(5)
 }
 if (res.buttonReturned === {{json .Extra}}) {
-	res.buttonReturned
+	$.puts(res.buttonReturned)
-} else {
+	$.exit(1)
-	void 0
 }
+void 0

internal/zenutil/run_darwin.go

@@ -56,7 +56,7 @@ type File struct {
 
 // FileOptions is internal.
 type FileOptions struct {
-	Prompt     string   `json:"withPrompt,omitempty"`
+	Prompt     *string  `json:"withPrompt,omitempty"`
 	Type       []string `json:"ofType,omitempty"`
 	Name       string   `json:"defaultName,omitempty"`
 	Location   string   `json:"defaultLocation,omitempty"`
@@ -68,7 +68,7 @@ type FileOptions struct {
 type Msg struct {
 	Operation string
 	Text      string
-	Extra     string
+	Extra     *string
 	Options   MsgOptions
 }
 
@@ -76,7 +76,7 @@ type Msg struct {
 type MsgOptions struct {
 	Message string   `json:"message,omitempty"`
 	As      string   `json:"as,omitempty"`
-	Title   string   `json:"withTitle,omitempty"`
+	Title   *string  `json:"withTitle,omitempty"`
 	Icon    string   `json:"withIcon,omitempty"`
 	Buttons []string `json:"buttons,omitempty"`
 	Cancel  int      `json:"cancelButton,omitempty"`
@@ -92,6 +92,6 @@ type Notify struct {
 
 // NotifyOptions is internal.
 type NotifyOptions struct {
-	Title    string `json:"withTitle,omitempty"`
+	Title    *string `json:"withTitle,omitempty"`
-	Subtitle string `json:"subtitle,omitempty"`
+	Subtitle string  `json:"subtitle,omitempty"`
 }

msg.go

@@ -2,7 +2,7 @@ package zenity
 
 // ErrExtraButton is returned by dialog functions when the extra button is
 // pressed.
-const ErrExtraButton = constError("Extra button pressed")
+const ErrExtraButton = stringErr("Extra button pressed")
 
 // Question displays the question dialog.
 //
@@ -55,30 +55,30 @@ const (
 
 // OKLabel returns an Option to set the label of the OK button.
 func OKLabel(ok string) Option {
-	return funcOption(func(o *options) { o.okLabel = ok })
+	return funcOption(func(o *options) { o.okLabel = &ok })
 }
 
 // CancelLabel returns an Option to set the label of the Cancel button.
 func CancelLabel(cancel string) Option {
-	return funcOption(func(o *options) { o.cancelLabel = cancel })
+	return funcOption(func(o *options) { o.cancelLabel = &cancel })
 }
 
 // ExtraButton returns an Option to add an extra button.
 func ExtraButton(extra string) Option {
-	return funcOption(func(o *options) { o.extraButton = extra })
+	return funcOption(func(o *options) { o.extraButton = &extra })
 }
 
-// NoWrap returns an Option to disable enable text wrapping.
+// NoWrap returns an Option to disable enable text wrapping (Unix only).
 func NoWrap() Option {
 	return funcOption(func(o *options) { o.noWrap = true })
 }
 
-// Ellipsize returns an Option to enable ellipsizing in the dialog text.
+// Ellipsize returns an Option to enable ellipsizing in the dialog text (Unix only).
 func Ellipsize() Option {
 	return funcOption(func(o *options) { o.ellipsize = true })
 }
 
-// DefaultCancel returns an Option to give Cancel button focus by default.
+// DefaultCancel returns an Option to give the Cancel button focus by default.
 func DefaultCancel() Option {
 	return funcOption(func(o *options) { o.defaultCancel = true })
 }

msg_darwin.go

@@ -13,7 +13,13 @@ func message(kind messageKind, text string, options []Option) (bool, error) {
 	data.Text = text
 	data.Options.Timeout = zenutil.Timeout
 
-	dialog := kind == questionKind || opts.icon != 0
+	// 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"
@@ -29,9 +35,9 @@ func message(kind messageKind, text string, options []Option) (bool, error) {
 		}
 	} else {
 		data.Operation = "displayAlert"
-		if opts.title != "" {
+		if opts.title != nil {
+			data.Text = *opts.title
 			data.Options.Message = text
-			data.Text = opts.title
 		}
 
 		switch kind {
@@ -44,45 +50,53 @@ func message(kind messageKind, text string, options []Option) (bool, error) {
 		}
 	}
 
-	if kind != questionKind {
+	if kind == questionKind {
-		if dialog {
+		// alert defaults to a single button, we need two
-			opts.okLabel = "OK"
+		if opts.cancelLabel == nil && !dialog {
+			opts.cancelLabel = stringPtr("Cancel")
 		}
-		opts.cancelLabel = ""
+	} 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 != "" || opts.cancelLabel != "" || opts.extraButton != "" {
+
-		if opts.okLabel == "" {
+	if opts.okLabel != nil || opts.cancelLabel != nil || opts.extraButton != nil {
-			opts.okLabel = "OK"
+		if opts.okLabel == nil {
-		}
+			opts.okLabel = stringPtr("OK")
-		if opts.cancelLabel == "" {
-			opts.cancelLabel = "Cancel"
 		}
 		if kind == questionKind {
-			if opts.extraButton == "" {
+			if opts.cancelLabel == nil {
-				data.Options.Buttons = []string{opts.cancelLabel, opts.okLabel}
+				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.Buttons = []string{*opts.extraButton, *opts.cancelLabel, *opts.okLabel}
 				data.Options.Default = 3
 				data.Options.Cancel = 2
 			}
 		} else {
-			if opts.extraButton == "" {
+			if opts.extraButton == nil {
-				data.Options.Buttons = []string{opts.okLabel}
+				data.Options.Buttons = []string{*opts.okLabel}
 				data.Options.Default = 1
 			} else {
-				data.Options.Buttons = []string{opts.extraButton, opts.okLabel}
+				data.Options.Buttons = []string{*opts.extraButton, *opts.okLabel}
 				data.Options.Default = 2
 			}
 		}
 		data.Extra = opts.extraButton
 	}
-	if opts.defaultCancel {
+
+	if kind == questionKind && opts.defaultCancel {
 		if data.Options.Cancel != 0 {
 			data.Options.Default = data.Options.Cancel
-		}
+		} else {
-		if dialog && data.Options.Buttons == nil {
 			data.Options.Default = 1
 		}
 	}
@@ -94,7 +108,8 @@ func message(kind messageKind, text string, options []Option) (bool, error) {
 	if err != nil {
 		return false, err
 	}
-	if len(out) > 0 && string(out[:len(out)-1]) == opts.extraButton {
+	if len(out) > 0 && opts.extraButton != nil &&
+		string(out[:len(out)-1]) == *opts.extraButton {
 		return false, ErrExtraButton
 	}
 	return true, err

zenity.go

@@ -15,13 +15,15 @@ import (
 	"image/color"
 )
 
-type constError string
+type stringErr string
 
-func (e constError) Error() string { return string(e) }
+func (e stringErr) Error() string { return string(e) }
+
+func stringPtr(s string) *string { return &s }
 
 type options struct {
 	// General options
-	title  string
+	title  *string
 	width  uint
 	height uint
 
@@ -39,9 +41,9 @@ type options struct {
 
 	// Message options
 	icon          DialogIcon
-	okLabel       string
+	okLabel       *string
-	cancelLabel   string
+	cancelLabel   *string
-	extraButton   string
+	extraButton   *string
 	noWrap        bool
 	ellipsize     bool
 	defaultCancel bool
@@ -69,7 +71,7 @@ func applyOptions(options []Option) (res options) {
 
 // Title returns an Option to set the dialog title.
 func Title(title string) Option {
-	return funcOption(func(o *options) { o.title = title })
+	return funcOption(func(o *options) { o.title = &title })
 }
 
 // Width returns an Option to set the dialog width (Unix only).