fix: moved DispatchSource.MemoryPressureEvent to custom RAMPressure enum. Fixed the crashes on some macs (#2212)

Kit/Widgets/BarChart.swift

@@ -19,7 +19,7 @@ public class BarChart: WidgetWrapper {
     private var colors: [SColor] = SColor.allCases
     
     private var _value: [[ColorValue]] = [[]]
-    private var _pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+    private var _pressureLevel: RAMPressure = .normal
     private var _colorZones: colorZones = (0.6, 0.8)
     
     private var boxSettingsView: NSSwitch? = nil
@@ -93,7 +93,7 @@ public class BarChart: WidgetWrapper {
         super.draw(dirtyRect)
         
         var value: [[ColorValue]] = []
-        var pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+        var pressureLevel: RAMPressure = .normal
         var colorZones: colorZones = (0.6, 0.8)
         self.queue.sync {
             value = self._value
@@ -224,7 +224,7 @@ public class BarChart: WidgetWrapper {
         })
     }
     
-    public func setPressure(_ newPressureLevel: DispatchSource.MemoryPressureEvent) {
+    public func setPressure(_ newPressureLevel: RAMPressure) {
         guard self._pressureLevel != newPressureLevel else { return }
         self._pressureLevel = newPressureLevel
         DispatchQueue.main.async(execute: {

Kit/Widgets/LineChart.swift

@@ -29,7 +29,7 @@ public class LineChart: WidgetWrapper {
     ), num: 60)
     private var colors: [SColor] = SColor.allCases.filter({ $0 != SColor.cluster })
     private var _value: Double = 0
-    private var _pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+    private var _pressureLevel: RAMPressure = .normal
     
     private var historyNumbers: [KeyValue_p] = [
         KeyValue_t(key: "30", value: "30"),
@@ -129,7 +129,7 @@ public class LineChart: WidgetWrapper {
         guard let context = NSGraphicsContext.current?.cgContext else { return }
         
         var value: Double = 0
-        var pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+        var pressureLevel: RAMPressure = .normal
         self.queue.sync {
             value = self._value
             pressureLevel = self._pressureLevel
@@ -249,7 +249,7 @@ public class LineChart: WidgetWrapper {
         })
     }
     
-    public func setPressure(_ newPressureLevel: DispatchSource.MemoryPressureEvent) {
+    public func setPressure(_ newPressureLevel: RAMPressure) {
         guard self._pressureLevel != newPressureLevel else { return }
         self._pressureLevel = newPressureLevel
         DispatchQueue.main.async(execute: {

Kit/Widgets/Memory.swift

@@ -15,7 +15,7 @@ public class MemoryWidget: WidgetWrapper {
     private var orderReversedState: Bool = false
     private var value: (String, String) = ("0", "0")
     private var percentage: Double = 0
-    private var pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+    private var pressureLevel: RAMPressure = .normal
     private var symbolsState: Bool = true
     private var colorState: SColor = .monochrome
     
@@ -137,7 +137,7 @@ public class MemoryWidget: WidgetWrapper {
         })
     }
     
-    public func setPressure(_ newPressureLevel: DispatchSource.MemoryPressureEvent) {
+    public func setPressure(_ newPressureLevel: RAMPressure) {
         guard self.pressureLevel != newPressureLevel else { return }
         self.pressureLevel = newPressureLevel
         DispatchQueue.main.async(execute: {

Kit/Widgets/Mini.swift

@@ -19,7 +19,7 @@ public class Mini: WidgetWrapper {
     private var colors: [SColor] = SColor.allCases
     
     private var _value: Double = 0
-    private var _pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+    private var _pressureLevel: RAMPressure = .normal
     private var _colorZones: colorZones = (0.6, 0.8)
     private var _suffix: String = "%"
     
@@ -93,7 +93,7 @@ public class Mini: WidgetWrapper {
         super.draw(dirtyRect)
         
         var value: Double = 0
-        var pressureLevel: DispatchSource.MemoryPressureEvent = .normal
+        var pressureLevel: RAMPressure = .normal
         var colorZones: colorZones = (0.6, 0.8)
         var label: String = ""
         var suffix: String = ""
@@ -155,7 +155,7 @@ public class Mini: WidgetWrapper {
         })
     }
     
-    public func setPressure(_ newPressureLevel: DispatchSource.MemoryPressureEvent) {
+    public func setPressure(_ newPressureLevel: RAMPressure) {
         guard self._pressureLevel != newPressureLevel else { return }
         self._pressureLevel = newPressureLevel
         DispatchQueue.main.async(execute: {

Kit/Widgets/Text.swift

@@ -74,7 +74,7 @@ public class TextWidget: WidgetWrapper {
             self.display()
         })
     }
-
+    
     static public func parseText(_ raw: String) -> [KeyValue_t] {
         var pairs: [KeyValue_t] = []
         do {
@@ -97,5 +97,4 @@ public class TextWidget: WidgetWrapper {
         }
         return pairs
     }
-    
 }

Kit/types.swift

@@ -394,3 +394,20 @@ extension SizeUnit: CaseIterable {
         }
     }
 }
+
+public enum RAMPressure: String, Codable {
+    case normal
+    case warning
+    case critical
+    
+    func pressureColor() -> NSColor {
+        switch self {
+        case .normal:
+            return NSColor.systemGreen
+        case .warning:
+            return NSColor.systemYellow
+        case .critical:
+            return NSColor.systemRed
+        }
+    }
+}