feat: label alpha tweak for on-screen widgets

VoidLink/Input/CustomOSC/OSCProfilesManager.m

@@ -393,6 +393,7 @@ static CGRect layoutViewBounds;
         buttonState.widthFactor = [self normalizeSizeWidthFactorWith:widgetView and:buttonState];
         buttonState.heightFactor = [self normalizeSizeHeightFactor:widgetView and:buttonState];
         buttonState.backgroundAlpha = widgetView.backgroundAlpha;
+        buttonState.labelAlpha = widgetView.labelAlpha;
         buttonState.borderWidth = widgetView.borderWidth;
         buttonState.autoTapInterval = widgetView.autoTapInterval;
         buttonState.vibrationStyle = widgetView.vibrationStyle;

VoidLink/Input/CustomOSC/OnScreenButtonState.h

@@ -44,6 +44,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, assign) CGFloat oscLayerSizeFactor; // for OnScreenController CALayer
 @property (nonatomic, assign) CGFloat backgroundAlpha;
+@property (nonatomic, assign) CGFloat labelAlpha;
 @property (nonatomic, assign) uint8_t vibrationStyle;
 @property (nonatomic, assign) uint8_t mouseButtonAction;
 @property (nonatomic, assign) uint16_t autoTapInterval;

VoidLink/Input/CustomOSC/OnScreenButtonState.m

@@ -52,6 +52,7 @@
     [encoder encodeFloat:self.stickIndicatorOffset forKey:@"stickIndicatorOffset"];
     [encoder encodeFloat:self.oscLayerSizeFactor forKey:@"oscLayerSizeFactor"];
     [encoder encodeFloat:self.backgroundAlpha forKey:@"backgroundAlpha"];
+    [encoder encodeFloat:self.labelAlpha forKey:@"labelAlpha"];
     [encoder encodeFloat:self.borderWidth forKey:@"borderWidth"];
     [encoder encodeObject:self.widgetShape forKey:@"widgetShape"];
     [encoder encodeFloat:self.minStickOffset forKey:@"minStickOffset"];
@@ -79,7 +80,8 @@
         self.decelerationRate = [decoder decodeFloatForKey:@"decelerationRate"];
         self.stickIndicatorOffset = [decoder decodeFloatForKey:@"stickIndicatorOffset"];
         self.oscLayerSizeFactor = [decoder decodeFloatForKey:@"oscLayerSizeFactor"];
-        self.backgroundAlpha = [decoder decodeFloatForKey:@"backgroundAlpha"];
+        self.backgroundAlpha = [decoder containsValueForKey:@"backgroundAlpha"] ? [decoder decodeFloatForKey:@"backgroundAlpha"] : 0.5;
+        self.labelAlpha = [decoder containsValueForKey:@"labelAlpha"] ? [decoder decodeFloatForKey:@"labelAlpha"] : 0.82;
         self.borderWidth = [decoder decodeFloatForKey:@"borderWidth"];
         self.widgetShape = [decoder decodeObjectForKey:@"widgetShape"];
         self.minStickOffset = [decoder decodeFloatForKey:@"minStickOffset"];

VoidLink/Input/OnScreenWidgetView.swift

@@ -73,6 +73,7 @@ import UIKit
     
     @objc public var borderWidth: CGFloat = 0.0
     @objc public var backgroundAlpha: CGFloat = 0.5
+    @objc public var labelAlpha: CGFloat = 0.82
     @objc public var vibrationStyle: Int = 6
     @objc public var latestTouchLocation: CGPoint
     @objc public var selfViewOnTheRight: Bool = false
@@ -455,6 +456,11 @@ import UIKit
         setupView()
     }
     
+    @objc public func tweakLabelAlpha(alpha:CGFloat){
+        labelAlpha = alpha
+        label.textColor = UIColor(white: 1.0, alpha: labelAlpha)
+    }
+    
     private func tweakAlpha(){
         // setup default border from self.backgroundAlpha
         let realBackgroundAlpha = self.backgroundAlpha - 0.18 // offset to be consistent with legacy onScreen controller layer opacity
@@ -563,7 +569,7 @@ import UIKit
         label.adjustsFontSizeToFitWidth = true
         label.minimumScaleFactor = 0.1  // Adjust the scale factor as needed
         
-        label.textColor = UIColor(white: 1.0, alpha: 0.82)
+        label.textColor = UIColor(white: 1.0, alpha: labelAlpha)
         label.textAlignment = .center
         label.shadowColor = .black
         label.shadowOffset = CGSize(width: 1, height: 1)

VoidLink/Input/StreamView.m

@@ -577,6 +577,7 @@ static const double X1_MOUSE_SPEED_DIVISOR = 2.5;
                 [widgetView resizeWidgetView]; // resize must be called after relocation
                 [widgetView adjustTransparencyWithAlpha:buttonState.backgroundAlpha];
                 [widgetView adjustBorderWithWidth:buttonState.borderWidth];
+                [widgetView tweakLabelAlphaWithAlpha:buttonState.labelAlpha];
                 [widgetView setupAutoTapTimer];
             }
         }

VoidLink/Localization/Localizable.xcstrings

@@ -2701,6 +2701,29 @@
         }
       }
     },
+    "Label alpha: %.2f" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "标签透明度: %.2f"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "標籤透明度: %.2f"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "標籤透明度: %.2f"
+          }
+        }
+      }
+    },
     "Later" : {
       "extractionState" : "manual",
       "localizations" : {

VoidLink/ViewControllers/CustomOSCViewControl/LayoutOnScreenControlsViewController.m

@@ -28,6 +28,7 @@
     BOOL isToolbarHidden;
     OSCProfilesManager* profilesManager;
     OnScreenWidgetView* selectedWidgetView;
+    bool labelAlphaLoaded;
     CALayer* selectedControllerLayer;
     CGRect controllerLoadedBounds;
     bool widgetViewSelected;
@@ -152,6 +153,7 @@
             widgetView.sizeReference = [self getCurrentWidgetSizeReference];
             [widgetView resizeWidgetView]; // resize must be called after relocation
             [widgetView adjustTransparencyWithAlpha:buttonState.backgroundAlpha];
+            [widgetView tweakLabelAlphaWithAlpha:buttonState.labelAlpha];
             [widgetView adjustBorderWithWidth:buttonState.borderWidth];
             [self.onScreenWidgetViews addObject:widgetView];
         }
@@ -335,6 +337,14 @@
     }
 }
 
+- (void)switchAlphaSlider:(UISwipeGestureRecognizer *)sender {
+    if(!widgetViewSelected) return;
+    labelAlphaLoaded = !labelAlphaLoaded;
+    if(labelAlphaLoaded) [self.widgetAlphaSlider setValue: self->selectedWidgetView.labelAlpha];
+    else [self.widgetAlphaSlider setValue: self->selectedWidgetView.backgroundAlpha];
+    [self widgetAlphaSliderMoved:self.widgetAlphaSlider];
+}
+
 /* animates the toolbar up and off the screen or back down onto the screen */
 - (void) moveToolbar:(UISwipeGestureRecognizer *)sender {
     BOOL isPad = [[UIDevice currentDevice].model hasPrefix:@"iPad"];
@@ -663,6 +673,7 @@
     newWidget.sizeReference = widget.sizeReference;
     [newWidget resizeWidgetView]; // resize must be called after relocation
     [newWidget adjustTransparencyWithAlpha:widget.backgroundAlpha];
+    [newWidget tweakLabelAlphaWithAlpha:widget.labelAlpha];
     [newWidget adjustBorderWithWidth:widget.borderWidth];
     [self.onScreenWidgetViews addObject:newWidget];
     self->selectedWidgetView = newWidget;
@@ -753,6 +764,8 @@
 
 - (void)widgetViewTapped: (NSNotification *)notification{
     //self.undoButton.alpha = selectedWidgetView.layoutChanges.count>1 && !CGPointEqualToPoint(selectedWidgetView.layoutChanges.lastObject.CGPointValue, selectedWidgetView.initialCenter)? 1.0 : 0.3;
+    // labelAlphaLoaded = false;
+    
     [self hideStickIndicators];
     
     // receive the selected widgetView obj passed from the notification
@@ -835,7 +848,8 @@
     [self autoFitLabel:self.widgetHeightLabel];
     [self.widgetHeightLabel setText:[LocalizationHelper localizedStringForKey:@"Height: %.2f", self->selectedWidgetView.deNormalizedHeightFactor]];
     
-    [self.widgetAlphaSlider setValue: self->selectedWidgetView.backgroundAlpha];
+    if(labelAlphaLoaded) [self.widgetAlphaSlider setValue: self->selectedWidgetView.labelAlpha];
+    else [self.widgetAlphaSlider setValue: self->selectedWidgetView.backgroundAlpha];
     [self autoFitLabel:self.widgetAlphaLabel];
     [self widgetAlphaSliderMoved:self.widgetAlphaSlider];
     
@@ -942,13 +956,19 @@
 }
 
 - (void)widgetAlphaSliderMoved:(UISlider* )sender{
-    [self.widgetAlphaLabel setText:[LocalizationHelper localizedStringForKey:@"Alpha: %.2f", sender.value]];
+    if(labelAlphaLoaded){
-    if(self->selectedWidgetView != nil && self->widgetViewSelected){
+        [self.widgetAlphaLabel setText:[LocalizationHelper localizedStringForKey:@"Label alpha: %.2f", sender.value]];
-        [self->selectedWidgetView adjustTransparencyWithAlpha:sender.value];
+        [selectedWidgetView tweakLabelAlphaWithAlpha:sender.value];
     }
+    else{
+        [self.widgetAlphaLabel setText:[LocalizationHelper localizedStringForKey:@"Alpha: %.2f", sender.value]];
+        if(self->selectedWidgetView != nil && self->widgetViewSelected){
+            [self->selectedWidgetView adjustTransparencyWithAlpha:sender.value];
+        }
         
-    if(self->selectedControllerLayer != nil && self->controllerLayerSelected){
+        if(self->selectedControllerLayer != nil && self->controllerLayerSelected){
-        [self.layoutOSC adjustControllerLayerOpacityWith:self->selectedControllerLayer and:sender.value];
+            [self.layoutOSC adjustControllerLayerOpacityWith:self->selectedControllerLayer and:sender.value];
+        }
     }
     return;
 }
@@ -1138,6 +1158,12 @@
 
     [self.widgetAlphaSlider addTarget:self action:@selector(widgetAlphaSliderMoved:) forControlEvents:(UIControlEventValueChanged)];
     self.widgetAlphaLabel.text = [LocalizationHelper localizedStringForKey:@"Alpha"];
+    self.widgetAlphaLabel.userInteractionEnabled = true;
+    UITapGestureRecognizer *alphaSwitchTapGesture =
+    [[UITapGestureRecognizer alloc] initWithTarget:self
+                                            action:@selector(switchAlphaSlider:)];
+    [self.widgetAlphaLabel addGestureRecognizer:alphaSwitchTapGesture];
+
    
     [self.widgetBorderWidthSlider addTarget:self action:@selector(widgetBorderWidthSliderMoved:) forControlEvents:(UIControlEventValueChanged)];
     self.widgetBorderWidthLabel.text = [LocalizationHelper localizedStringForKey:@"Border width"];