feat: added chart scale setting to the RAM popup settings

Modules/RAM/popup.swift

@@ -35,6 +35,7 @@ internal class Popup: PopupWrapper {
     private var wiredColorView: NSView? = nil
     private var compressedColorView: NSView? = nil
     private var freeColorView: NSView? = nil
+    private var sliderView: NSView? = nil
     
     private var chart: LineChartView? = nil
     private var circle: PieChartView? = nil
@@ -52,6 +53,8 @@ internal class Popup: PopupWrapper {
     }
     
     private var lineChartHistory: Int = 180
+    private var lineChartScale: Scale = .none
+    private var lineChartFixedScale: Double = 1
     
     private var appColorState: Color = .secondBlue
     private var appColor: NSColor { self.appColorState.additional as? NSColor ?? NSColor.systemRed }
@@ -81,6 +84,8 @@ internal class Popup: PopupWrapper {
         self.freeColorState = Color.fromString(Store.shared.string(key: "\(self.title)_freeColor", defaultValue: self.freeColorState.key))
         self.chartColorState = Color.fromString(Store.shared.string(key: "\(self.title)_chartColor", defaultValue: self.chartColorState.key))
         self.lineChartHistory = Store.shared.int(key: "\(self.title)_lineChartHistory", defaultValue: self.lineChartHistory)
+        self.lineChartScale = Scale.fromString(Store.shared.string(key: "\(self.title)_lineChartScale", defaultValue: self.lineChartScale.key))
+        self.lineChartFixedScale = Double(Store.shared.int(key: "\(self.title)_lineChartFixedScale", defaultValue: 100)) / 100
         
         let gridView: NSGridView = NSGridView(frame: NSRect(x: 0, y: 0, width: self.frame.width, height: self.frame.height))
         gridView.rowSpacing = 0
@@ -162,7 +167,8 @@ internal class Popup: PopupWrapper {
         container.layer?.backgroundColor = NSColor.lightGray.withAlphaComponent(0.1).cgColor
         container.layer?.cornerRadius = 3
         
-        self.chart = LineChartView(frame: NSRect(x: 1, y: 0, width: view.frame.width, height: container.frame.height), num: self.lineChartHistory)
+        let chartFrame = NSRect(x: 1, y: 0, width: view.frame.width, height: container.frame.height)
+        self.chart = LineChartView(frame: chartFrame, num: self.lineChartHistory, scale: self.lineChartScale, fixedScale: self.lineChartFixedScale)
         self.chart?.color = self.chartColor
         container.addSubview(self.chart!)
         
@@ -316,6 +322,23 @@ internal class Popup: PopupWrapper {
             selected: "\(self.lineChartHistory)"
         ))
         
+        view.addArrangedSubview(selectSettingsRow(
+            title: localizedString("Scaling"),
+            action: #selector(self.toggleLineChartScale),
+            items: Scale.allCases,
+            selected: self.lineChartScale.key
+        ))
+        
+        let slider = sliderSettingsRow(
+            title: localizedString("Fixed value"),
+            action: #selector(self.toggleLineChartFixedScale),
+            value: Int(self.lineChartFixedScale * 100),
+            suffix: "%",
+            isHidden: self.lineChartScale != .fixed
+        )
+        self.sliderView = slider
+        view.addArrangedSubview(slider)
+        
         return view
     }
     
@@ -380,6 +403,27 @@ internal class Popup: PopupWrapper {
         Store.shared.set(key: "\(self.title)_lineChartHistory", value: value)
         self.chart?.reinit(self.lineChartHistory)
     }
+    @objc private func toggleLineChartScale(_ sender: NSMenuItem) {
+        guard let key = sender.representedObject as? String,
+              let value = Scale.allCases.first(where: { $0.key == key }) else { return }
+        self.sliderView?.isHidden = value != .fixed
+        self.lineChartScale = value
+        self.chart?.setScale(self.lineChartScale, fixedScale: self.lineChartFixedScale)
+        Store.shared.set(key: "\(self.title)_lineChartScale", value: key)
+        self.display()
+    }
+    @objc private func toggleLineChartFixedScale(_ sender: NSSlider) {
+        let value = Int(sender.doubleValue)
+        
+        if let container = self.sliderView?.subviews.first(where: { $0.identifier == NSUserInterfaceItemIdentifier("container") }),
+           let field = container.subviews.first(where: { $0 is NSTextField }), let view = field as? NSTextField {
+            view.stringValue = "\(value) %"
+        }
+        
+        self.lineChartFixedScale = sender.doubleValue / 100
+        self.chart?.setScale(self.lineChartScale, fixedScale: self.lineChartFixedScale)
+        Store.shared.set(key: "\(self.title)_lineChartFixedScale", value: value)
+    }
 }
 
 public class PressureView: NSView {