experimental: Supports hover color.

Author: HituziANDO

MKAToggleButton.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "MKAToggleButton"
-  s.version      = "1.2.0"
+  s.version      = "1.2.3"
   s.summary      = "MKAToggleButton is multiple icons toggle button for iOS."
 
   # This description is used to generate tags and improve search results.

MKAToggleButton/Headers/MKAIconToggleButton.h

@@ -97,6 +97,10 @@ NS_ASSUME_NONNULL_BEGIN
  * The current state. The toggle button automatically increments the state each time it is clicked.
  */
 @property (nonatomic) NSUInteger currentStateIndex;
+/**
+ * A color when hovering. (iOS13+)
+ */
+@property (nonatomic, nullable) UIColor *hoverColor;
 
 + (instancetype)toggleButtonWithItems:(NSArray<MKAToggleItem *> *)items;
 + (instancetype)toggleButtonWithItems:(NSArray<MKAToggleItem *> *)items

MKAToggleButton/Resources/Info.plist

@@ -17,11 +17,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.2.0</string>
+	<string>1.2.3</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>4</string>
+	<string>7</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>Copyright Hituzi Ando. All rights reserved.</string>
 </dict>

MKAToggleButton/Sources/MKAIconToggleButton.m

@@ -66,6 +66,7 @@ - (CGSize)sizeWithFont:(UIFont *)font {
 @interface MKAIconToggleButton ()
 
 @property (nonatomic, copy) NSMutableArray<MKAToggleItem *> *items;
+@property (nonatomic, nullable) UIColor *tintColorCache;
 
 @end
 
@@ -187,6 +188,11 @@ - (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
 
 #pragma mark - property
 
+- (void)setTintColor:(UIColor *)color {
+    [super setTintColor:color];
+    self.tintColorCache = color;
+}
+
 - (CGRect)touchableBounds {
     CGRect rect = self.bounds;
     rect.origin.x -= self.touchableExtensionLeft;
@@ -236,6 +242,14 @@ - (instancetype)build {
     }];
     self.bounds = (CGRect) { CGPointZero, CGSizeMake(maxSize.width + MKAIconToggleButtonMarginX, maxSize.height) };
 
+    self.tintColorCache = self.tintColor;
+
+    if (@available(iOS 13.0, *)) {
+        UIHoverGestureRecognizer *recognizer = [[UIHoverGestureRecognizer alloc] initWithTarget:self
+                                                                                         action:@selector(hovering:)];
+        [self addGestureRecognizer:recognizer];
+    }
+
     return self;
 }
 
@@ -270,4 +284,24 @@ - (nullable NSString *)titleAtIndex:(NSUInteger)index {
     }
 }
 
+- (void)hovering:(UIHoverGestureRecognizer *)recognizer API_AVAILABLE(ios(13.0)) {
+    if (!self.hoverColor) {
+        return;
+    }
+
+    switch (recognizer.state) {
+        case UIGestureRecognizerStateBegan:
+        case UIGestureRecognizerStateChanged:
+            self.tintColor = self.hoverColor;
+            [self setTitleColor:self.tintColor forState:UIControlStateNormal];
+            break;
+        case UIGestureRecognizerStateEnded:
+            self.tintColor = self.tintColorCache;
+            [self setTitleColor:self.tintColor forState:UIControlStateNormal];
+            break;
+        default:
+            break;
+    }
+}
+
 @end

Sample/Framework/MKAToggleButton.framework/Headers/MKAIconToggleButton.h

@@ -97,6 +97,10 @@ NS_ASSUME_NONNULL_BEGIN
  * The current state. The toggle button automatically increments the state each time it is clicked.
  */
 @property (nonatomic) NSUInteger currentStateIndex;
+/**
+ * A color when hovering. (iOS13+)
+ */
+@property (nonatomic, nullable) UIColor *hoverColor;
 
 + (instancetype)toggleButtonWithItems:(NSArray<MKAToggleItem *> *)items;
 + (instancetype)toggleButtonWithItems:(NSArray<MKAToggleItem *> *)items

Sample/Framework/MKAToggleButton.framework/MKAToggleButton

@@ -17,11 +17,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.2.0</string>
+	<string>1.2.3</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>4</string>
+	<string>7</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>Copyright Hituzi Ando. All rights reserved.</string>
 </dict>