Add AlwaysOnTop()

msg_windows.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/ncruces/zenity/internal/win"
+	"golang.org/x/sys/windows"
 )
 
 func message(kind messageKind, text string, opts options) error {
@@ -52,6 +53,10 @@ func message(kind messageKind, text string, opts options) error {
 		}
 	}
 
+	if opts.alwaysOnTop {
+		flags |= windows.MB_SYSTEMMODAL
+	}
+
 	owner, _ := opts.attach.(win.HWND)
 	defer setup(owner)()
 	unhook, err := hookMessageDialog(opts)

zenity.go

@@ -39,6 +39,7 @@ func IsAvailable() bool {
 type options struct {
 	// General options
 	title         *string
+	alwaysOnTop   bool
 	width         uint
 	height        uint
 	okLabel       *string
@@ -115,6 +116,13 @@ func Title(title string) Option {
 	return funcOption(func(o *options) { o.title = &title })
 }
 
+// AlwaysOnTop returns an Option to set the dialog to be always on top (Windows only)..
+func AlwaysOnTop(alwaysOnTop bool) Option {
+	return funcOption(func(o *options) {
+		o.alwaysOnTop = alwaysOnTop
+	})
+}
+
 // Width returns an Option to set the dialog width (Unix only).
 func Width(width uint) Option {
 	return funcOption(func(o *options) {