Attributed hint support added

.gitignore

@@ -16,6 +16,7 @@ DerivedData/
 *.perspectivev3
 !default.perspectivev3
 xcuserdata/
+.DS_Store
 
 ## Other
 *.moved-aside

Example/RAGTextField/Images.xcassets/Contents.json

@@ -1,6 +1,6 @@
 {
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
+}

Example/RAGTextField/Images.xcassets/info.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "128px-Infobox_info_icon.svg.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example/RAGTextField/UnderlineViewController.swift

@@ -47,7 +47,23 @@ final class UnderlineViewController: UIViewController, UITextFieldDelegate {
                 bgView.layer.cornerRadius = 8.0
                 bgView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
             }
-
+
+            let icon = UIImage(named: "info")
+            let iconHeight: CGFloat = 12
+            let space = " "
+
+            let attachment = NSTextAttachment()
+            let attachmentBounds = attachment.bounds
+            attachment.bounds = CGRect(
+                x: attachmentBounds.origin.x,
+                y: attachmentBounds.origin.y - 2,
+                width: iconHeight,
+                height: iconHeight)
+
+            attachment.image = icon
+            let attachmentString = NSAttributedString(attachment: attachment)
+
+
             underlineModeTextField.textColor = .white
             underlineModeTextField.tintColor = .white
             underlineModeTextField.textBackgroundView = bgView
@@ -60,7 +76,13 @@ final class UnderlineViewController: UIViewController, UITextFieldDelegate {
             underlineModeTextField.hintFont = UIFont.systemFont(ofSize: 11.0)
             underlineModeTextField.hintColor = ColorPalette.sky
             underlineModeTextField.hintOffset = 3.0
-            underlineModeTextField.hint = "Natural mode supported as well"
+
+            let hintAttributedString = NSMutableAttributedString()
+            hintAttributedString.append(attachmentString)
+            hintAttributedString.append(NSAttributedString(string: space))
+            hintAttributedString.append(NSAttributedString(string: "Natural mode supported as well with hint icon"))
+
+            underlineModeTextField.attributedHint = hintAttributedString
         }
     }
 

Sources/RAGTextField/Classes/RAGTextField.swift

@@ -144,6 +144,21 @@ open class RAGTextField: UITextField {
             return hintLabel.text
         }
     }
+
+    /// The attributed text value of the hint.
+    ///
+    /// If `nil`, the hint label is removed from the layout.
+    @IBInspectable open var attributedHint: NSAttributedString? {
+        set {
+            hintLabel.attributedText = newValue
+
+            updateHintVisibility()
+            invalidateIntrinsicContentSize()
+        }
+        get {
+            return hintLabel.attributedText
+        }
+    }
 
     /// The font used for the hint.
     ///