Command improvements.

cmd/zenity/main.go

@@ -316,22 +316,18 @@ func loadFlags() []zenity.Option {
 	switch {
 	case errorDlg:
 		setDefault(&title, "Error")
-		setDefault(&icon, "dialog-error")
 		setDefault(&text, "An error has occurred.")
 		setDefault(&okLabel, "OK")
 	case infoDlg:
 		setDefault(&title, "Information")
-		setDefault(&icon, "dialog-information")
 		setDefault(&text, "All updates are complete.")
 		setDefault(&okLabel, "OK")
 	case warningDlg:
 		setDefault(&title, "Warning")
-		setDefault(&icon, "dialog-warning")
 		setDefault(&text, "Are you sure you want to proceed?")
 		setDefault(&okLabel, "OK")
 	case questionDlg:
 		setDefault(&title, "Question")
-		setDefault(&icon, "dialog-question")
 		setDefault(&text, "Are you sure you want to proceed?")
 		setDefault(&okLabel, "Yes")
 		setDefault(&cancelLabel, "No")
@@ -347,7 +343,6 @@ func loadFlags() []zenity.Option {
 		setDefault(&cancelLabel, "Cancel")
 	case passwordDlg:
 		setDefault(&title, "Type your password")
-		setDefault(&icon, "dialog-password")
 		setDefault(&okLabel, "OK")
 		setDefault(&cancelLabel, "Cancel")
 	case progressDlg:
@@ -355,10 +350,6 @@ func loadFlags() []zenity.Option {
 		setDefault(&text, "Running...")
 		setDefault(&okLabel, "OK")
 		setDefault(&cancelLabel, "Cancel")
-	case notification:
-		setDefault(&icon, "dialog-information")
-	default:
-		setDefault(&text, "")
 	}
 
 	// General options
@@ -390,10 +381,12 @@ func loadFlags() []zenity.Option {
 		ico = zenity.WarningIcon
 	case "dialog-password":
 		ico = zenity.PasswordIcon
-	case "":
+	default:
 		ico = zenity.NoIcon
 	}
+	if icon != unspecified {
 		opts = append(opts, ico)
+	}
 
 	// Message options
 

cmd/zenity/notify.go

@@ -14,11 +14,14 @@ import (
 
 func notify(opts ...zenity.Option) error {
 	if !listen {
+		if text == unspecified {
+			return nil
+		}
 		return zenity.Notify(text, opts...)
 	}
 
 	zenutil.Command = false
-	icon := zenity.InfoIcon
+	ico := zenity.NoIcon
 	for scanner := bufio.NewScanner(os.Stdin); scanner.Scan(); {
 		line := scanner.Text()
 		var cmd, msg string
@@ -32,20 +35,20 @@ func notify(opts ...zenity.Option) error {
 		case "icon":
 			switch msg {
 			case "error", "dialog-error":
-				icon = zenity.ErrorIcon
+				ico = zenity.ErrorIcon
 			case "info", "dialog-information":
-				icon = zenity.InfoIcon
+				ico = zenity.InfoIcon
 			case "question", "dialog-question":
-				icon = zenity.QuestionIcon
+				ico = zenity.QuestionIcon
 			case "important", "warning", "dialog-warning":
-				icon = zenity.WarningIcon
+				ico = zenity.WarningIcon
 			case "dialog-password":
-				icon = zenity.PasswordIcon
+				ico = zenity.PasswordIcon
 			default:
-				icon = zenity.NoIcon
+				ico = zenity.NoIcon
 			}
 		case "message", "tooltip":
-			opts := []zenity.Option{icon}
+			opts := []zenity.Option{ico}
 			if n := strings.IndexByte(msg, '\n'); n >= 0 {
 				opts = append(opts, zenity.Title(msg[:n]))
 				msg = msg[n+1:]

msg_windows.go

@@ -32,6 +32,17 @@ func message(kind messageKind, text string, opts options) error {
 		flags |= 0x30 // MB_ICONWARNING
 	case InfoIcon:
 		flags |= 0x40 // MB_ICONINFORMATION
+	case unspecifiedIcon:
+		switch kind {
+		case errorKind:
+			flags |= 0x10 // MB_ICONERROR
+		case questionKind:
+			flags |= 0x20 // MB_ICONQUESTION
+		case warningKind:
+			flags |= 0x30 // MB_ICONWARNING
+		case infoKind:
+			flags |= 0x40 // MB_ICONINFORMATION
+		}
 	}
 
 	if kind == questionKind && opts.defaultCancel {

zenity.go

@@ -132,7 +132,8 @@ func (i DialogIcon) apply(o *options) { o.icon = i }
 
 // The stock dialog icons.
 const (
-	ErrorIcon DialogIcon = iota + 1
+	unspecifiedIcon DialogIcon = iota
+	ErrorIcon
 	WarningIcon
 	InfoIcon
 	QuestionIcon