Custom controls: make toggleable functional

Fixes #378

Natives/SurfaceViewController.m

@@ -474,7 +474,8 @@ self.view.frame.size.width * 0.3 - 36.0 * 0.7, self.view.frame.size.height)];
         }
 
         [button addTarget:self action:@selector(executebtn_down:) forControlEvents:UIControlEventTouchDown];
-        [button addTarget:self action:@selector(executebtn_up:) forControlEvents:UIControlEventTouchUpInside | UIControlEventTouchUpOutside];
+        [button addTarget:self action:@selector(executebtn_up_inside:) forControlEvents:UIControlEventTouchUpInside];
+        [button addTarget:self action:@selector(executebtn_up_outside:) forControlEvents:UIControlEventTouchUpOutside];
 
         if (isSwipeable) {
             UIPanGestureRecognizer *panRecognizerButton = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(executebtn_swipe:)];
@@ -964,7 +965,9 @@ CallbackBridge_nativeSendKey(keycode, 0, held, 0);
 
 - (void)executebtn_down:(ControlButton *)sender
 {
-    [self executebtn:sender withAction:ACTION_DOWN];
+    if (sender.savedBackgroundColor == nil) {
+        [self executebtn:sender withAction:ACTION_DOWN];
+    }
     if ([self.swipeableButtons containsObject:sender]) {
         self.swipingButton = sender;
     }
@@ -974,12 +977,12 @@ CallbackBridge_nativeSendKey(keycode, 0, held, 0);
 {
     CGPoint location = [sender locationInView:self.rootView];
     if (sender.state == UIGestureRecognizerStateCancelled || sender.state == UIGestureRecognizerStateEnded) {
-        [self executebtn_up:self.swipingButton];
+        [self executebtn_up:self.swipingButton isOutside:NO];
         return;
     }
     for (ControlButton *button in self.swipeableButtons) {
         if (CGRectContainsPoint(button.frame, location) && (ControlButton *)self.swipingButton != button) {
-            [self executebtn:self.swipingButton withAction:ACTION_UP];
+            [self executebtn_up:self.swipingButton isOutside:NO];
             self.swipingButton = (ControlButton *)button;
             [self executebtn:self.swipingButton withAction:ACTION_DOWN];
             break;
@@ -987,16 +990,38 @@ CallbackBridge_nativeSendKey(keycode, 0, held, 0);
     }
 }
 
-- (void)executebtn_up:(ControlButton *)sender
+- (void)executebtn_up:(ControlButton *)sender isOutside:(BOOL)isOutside
 {
     if (self.swipingButton == sender) {
         [self executebtn:self.swipingButton withAction:ACTION_UP];
         self.swipingButton = nil;
+    } else if (sender.savedBackgroundColor == nil) {
+        [self executebtn:sender withAction:ACTION_UP];
+        return;
+    }
+
+    if (isOutside || sender.savedBackgroundColor == nil) {
+        return;
+    }
+
+    sender.isToggleOn = !sender.isToggleOn;
+    if (sender.isToggleOn) {
+        sender.backgroundColor = [self.view.tintColor colorWithAlphaComponent:CGColorGetAlpha(sender.savedBackgroundColor.CGColor)];
+        [self executebtn:sender withAction:ACTION_DOWN];
     } else {
+        sender.backgroundColor = sender.savedBackgroundColor;
         [self executebtn:sender withAction:ACTION_UP];
     }
 }
 
+- (void)executebtn_up_inside:(ControlButton *)sender {
+    [self executebtn_up:sender isOutside:NO];
+}
+
+- (void)executebtn_up_outside:(ControlButton *)sender {
+    [self executebtn_up:sender isOutside:YES];
+}
+
 - (void)executebtn_special_togglebtn:(int)held {
     if (held == 0) {
         currentVisibility = !currentVisibility;

Natives/customcontrols/ControlButton.h

@@ -11,8 +11,9 @@
 @interface ControlButton : UIButton {
 }
 
-@property BOOL canBeHidden;
+@property BOOL canBeHidden, isToggleOn;
 @property(nonatomic, strong) NSMutableDictionary* properties;
+@property UIColor* savedBackgroundColor;
 
 + (id)buttonWithProperties:(NSMutableDictionary *)propArray;
 

Natives/customcontrols/ControlButton.m

@@ -12,7 +12,7 @@
 
 + (id)buttonWithProperties:(NSMutableDictionary *)propArray {
     //NSLog(@"DBG button prop = %@", propArray);
-    ControlButton *instance = [self buttonWithType:UIButtonTypeRoundedRect];
+    ControlButton *instance = [self buttonWithType:UIButtonTypeSystem];
     instance.autoresizingMask = UIViewAutoresizingFlexibleWidth;
     instance.tintColor = [UIColor whiteColor];
     instance.titleLabel.adjustsFontSizeToFitWidth = YES;
@@ -172,6 +172,9 @@
     self.alpha = [self.properties[@"opacity"] floatValue];
     self.alpha = MAX(self.alpha, isControlModifiable ? 0.1 : 0.01);
     self.backgroundColor = convertARGB2UIColor(propBackgroundColor);
+    if ([self.properties[@"isToggle"] boolValue]) {
+        self.savedBackgroundColor = self.backgroundColor;
+    }
 
     self.layer.borderColor = [convertARGB2UIColor(propStrokeColor) CGColor];
     self.layer.cornerRadius = MIN(self.frame.size.width, self.frame.size.height) / 200.0 * propCornerRadius;