Add NSAttributedString

cocoa/NSMenuItem.go

@@ -79,6 +79,12 @@ func (i NSMenuItem) SetTitle(s string) {
 	i.Set("title:", core.String(s))
 }
 
+// SetAttributedTitle sets a custom string for the menu item's title.
+// https://developer.apple.com/documentation/appkit/nsmenuitem/1514860-attributedtitle?language=objc
+func (i NSMenuItem) SetAttributedTitle(s string) {
+	i.Set("attributedTitle:", core.NSAttributedString_FromString(s))
+}
+
 // Image returns the menu item’s image.
 // https://developer.apple.com/documentation/appkit/nsmenuitem/1514819-image?language=objc
 func (i NSMenuItem) Image() NSImage {

core/NSAttributedString.go

@@ -0,0 +1,25 @@
+package core
+
+import (
+	"github.com/progrium/macdriver/objc"
+)
+
+// Wrapper for NSAttributedString
+// https://developer.apple.com/documentation/foundation/nsattributedstring?language=objc
+type NSAttributedString struct {
+	objc.Object
+}
+
+var nsAttributedString = objc.Get("NSAttributedString")
+
+// NSAttributedString_FromString returns an initialized NSAttributedString
+// https://developer.apple.com/documentation/foundation/nsattributedstring/1407481-initwithstring?language=objc
+func NSAttributedString_FromString(str string) NSAttributedString {
+	nsstr := NSString_FromString(str)
+	obj := nsAttributedString.Alloc().Send("initWithString:", nsstr)
+	return NSAttributedString_FromObject(obj)
+}
+
+func NSAttributedString_FromObject(obj objc.Object) NSAttributedString {
+	return NSAttributedString{obj}
+}

core/NSString.go

@@ -11,7 +11,7 @@ const (
 	NSUTF8StringEncoding = 4
 )
 
-// Wrapper for NSPasteboard
+// Wrapper for NSString
 // https://developer.apple.com/documentation/foundation/nsstring?language=occ
 type NSString struct {
 	objc.Object