* image can be set for slider

MTMR/BrightnessViewController.swift

@@ -4,16 +4,17 @@ import AVFoundation
 import CoreAudio
 
 class BrightnessViewController: NSCustomTouchBarItem {
-    private(set) var sliderItem: NSSlider!
+    private(set) var sliderItem: CustomSlider!
     
     init(identifier: NSTouchBarItem.Identifier, refreshInterval: Double, image: NSImage? = nil) {
         super.init(identifier: identifier)
-        let brightness:Double = Double(getBrightness())
-        sliderItem = NSSlider(value: brightness*100.0, minValue: 0.0, maxValue: 100.0, target: self, action:#selector(BrightnessViewController.sliderValueChanged(_:)))
         
-        if (image != nil) {
+        sliderItem = CustomSlider(knob: image!)
-            sliderItem.cell = CustomSliderCell(knob: image!)
+        sliderItem.target = self
-        }
+        sliderItem.action =  #selector(BrightnessViewController.sliderValueChanged(_:))
+        sliderItem.minValue = 0.0
+        sliderItem.maxValue = 100.0
+        sliderItem.floatValue = getBrightness()*100
         
         self.view = sliderItem
         

MTMR/ItemsParsing.swift

@@ -80,11 +80,24 @@ class SupportedTypesHolder {
             let item = ItemType.appleScriptTitledButton(source: Source(filePath: scriptPath), refreshInterval: interval ?? 1800.0)
             return (item: item, action: .none, parameters: [:])
         },
+        "volume": { decoder in
+            enum CodingKeys: String, CodingKey { case image }
+            let container = try decoder.container(keyedBy: CodingKeys.self)
+            if var img = try container.decodeIfPresent(Source.self, forKey: .image) {
+                return (item: .volume(), action: .none, parameters: [.image: .image(source: img)])
+            } else {
+                return (item: .volume(), action: .none, parameters: [:])
+            }
+        },
         "brightness": { decoder in
-            enum CodingKeys: String, CodingKey { case refreshInterval }
+            enum CodingKeys: String, CodingKey { case refreshInterval; case image }
             let container = try decoder.container(keyedBy: CodingKeys.self)
             let interval = try container.decodeIfPresent(Double.self, forKey: .refreshInterval)
+            if var img = try container.decodeIfPresent(Source.self, forKey: .image) {
+                return (item: .brightness(refreshInterval: interval ?? 0.5), action: .none, parameters: [.image: .image(source: img)])
+            } else {
                 return (item: .brightness(refreshInterval: interval ?? 0.5), action: .none, parameters: [:])
+            }
         },
         "battery": { decoder in
             enum CodingKeys: String, CodingKey { case refreshInterval }

MTMR/TouchBarController.swift

@@ -96,7 +96,7 @@ class TouchBarController: NSObject, NSTouchBarDelegate {
         }
     }
     
-    func setupControlStripPresence() {
+    @objc func setupControlStripPresence() {
         DFRSystemModalShowsCloseBoxWhenFrontMost(false)
         let item = NSCustomTouchBarItem(identifier: .controlStripItem)
         item.view = NSButton(image: #imageLiteral(resourceName: "Strip"), target: self, action: #selector(presentTouchBar))
@@ -141,10 +141,18 @@ class TouchBarController: NSObject, NSTouchBarDelegate {
         case .timeButton(formatTemplate: let template):
             barItem = TimeTouchBarItem(identifier: identifier, formatTemplate: template)
         case .volume:
+            if case .image(let source)? = item.additionalParameters[.image] {
+                barItem = VolumeViewController(identifier: identifier, image: source.image)
+            } else {
                 barItem = VolumeViewController(identifier: identifier)
+            }
         case .brightness(refreshInterval: let interval):
+            if case .image(let source)? = item.additionalParameters[.image] {
+                barItem = BrightnessViewController(identifier: identifier, refreshInterval: interval, image: source.image)
+            } else {
                 barItem = BrightnessViewController(identifier: identifier, refreshInterval: interval)
             }
+        }
         if case .width(let value)? = item.additionalParameters[.width], let widthBarItem = barItem as? CanSetWidth {
             widthBarItem.setWidth(value: value)
         }

MTMR/VolumeViewController.swift

@@ -4,18 +4,10 @@ import AVFoundation
 import CoreAudio
 
 class VolumeViewController: NSCustomTouchBarItem {
-    private(set) var sliderItem: NSSlider!
+    private(set) var sliderItem: CustomSlider!
     
     init(identifier: NSTouchBarItem.Identifier, image: NSImage? = nil) {
         super.init(identifier: identifier)
-        let volume:Double = Double(getInputGain())
-        sliderItem = NSSlider(value: volume*100, minValue: 0.0, maxValue: 100.0, target: self, action:#selector(VolumeViewController.sliderValueChanged(_:)))
-        
-        if (image != nil) {
-            sliderItem.cell = CustomSliderCell(knob: image!)
-        }
-
-        self.view = sliderItem
         
         var forPropertyAddress = AudioObjectPropertyAddress(
             mSelector: kAudioHardwareServiceDeviceProperty_VirtualMasterVolume,
@@ -25,6 +17,15 @@ class VolumeViewController: NSCustomTouchBarItem {
         addListenerBlock(listenerBlock: audioObjectPropertyListenerBlock,
                          onAudioObjectID: defaultDeviceID,
                          forPropertyAddress: &forPropertyAddress)
+        
+        sliderItem = CustomSlider(knob: image!)
+        sliderItem.target = self
+        sliderItem.action =  #selector(VolumeViewController.sliderValueChanged(_:))        
+        sliderItem.minValue = 0.0
+        sliderItem.maxValue = 100.0
+        sliderItem.floatValue = getInputGain()*100
+
+        self.view = sliderItem
     }
     
     func addListenerBlock( listenerBlock: @escaping AudioObjectPropertyListenerBlock, onAudioObjectID: AudioObjectID, forPropertyAddress: UnsafePointer<AudioObjectPropertyAddress>) {
@@ -137,16 +138,13 @@ class CustomSliderCell: NSSliderCell {
         }
         
         _currentKnobRect = knobRect;
-        drawBar(inside: _barRect, flipped: true)
+        drawBar(inside: _barRect, flipped: false)
         self.controlView?.lockFocus()
     
-        knobImage.size.width = knobRect.size.width
-        knobImage.size.height = knobRect.size.height
-    
         let newOriginX:CGFloat = knobRect.origin.x *
             (_barRect.size.width - (knobImage.size.width - knobRect.size.width)) / _barRect.size.width;
         
-        knobImage.draw(at: NSPoint(x: newOriginX, y: knobRect.origin.y), from: NSRect(x: 0, y: 0, width: knobImage.size.width, height: knobImage.size.height), operation: NSCompositingOperation.sourceOver, fraction: 1)
+        knobImage.draw(at: NSPoint(x: newOriginX, y: knobRect.origin.y+3), from: NSRect(x: 0, y: 0, width: knobImage.size.width, height: knobImage.size.height), operation: NSCompositingOperation.sourceOver, fraction: 1)
         
         self.controlView?.unlockFocus()
         
@@ -157,9 +155,10 @@ class CustomSliderCell: NSSliderCell {
 
         var rect = aRect
         rect.size.height = CGFloat(3)
-        let barRadius = CGFloat(2.5)
+        let barRadius = CGFloat(3)
         let value = CGFloat((self.doubleValue - self.minValue) / (self.maxValue - self.minValue))
-        let finalWidth = CGFloat(value * (self.controlView!.frame.size.width - 8))
+        let finalWidth = CGFloat(value * (self.controlView!.frame.size.width - 12))
+
         var leftRect = rect
         leftRect.size.width = finalWidth
         let bg = NSBezierPath(roundedRect: rect, xRadius: barRadius, yRadius: barRadius)
@@ -170,3 +169,43 @@ class CustomSliderCell: NSSliderCell {
         active.fill()
     }
 }
+
+class CustomSlider:NSSlider {
+    
+    var currentValue:CGFloat = 0
+    
+    override func setNeedsDisplay(_ invalidRect: NSRect) {
+        super.setNeedsDisplay(invalidRect)
+    }
+    
+    override func awakeFromNib() {
+        super.awakeFromNib()
+        if ((self.cell?.isKind(of: CustomSliderCell.self)) == false) {
+            let cell:CustomSliderCell = CustomSliderCell()
+            self.cell = cell
+        }
+    }
+    
+    convenience init(knob:NSImage) {
+        self.init()
+        self.cell = CustomSliderCell(knob: knob)
+    }
+    
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+    }
+    
+    override init(frame frameRect: NSRect) {
+        super.init(frame: frameRect)
+    }
+    
+    func knobImage() -> NSImage {
+        let cell = self.cell as! CustomSliderCell
+        return cell.knobImage
+    }
+    
+    func setKnobImage(image:NSImage) {
+        let cell = self.cell as! CustomSliderCell
+        cell.knobImage = image
+    }
+}