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fix: fixed race conditions in the Network Chart widget (#2594)

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This commit is contained in:
Serhiy Mytrovtsiy
2025-08-19 18:37:10 +02:00
parent e287eacd46
commit 3c0b1939ca
3 changed files with 53 additions and 33 deletions
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82
Kit/Widgets/NetworkChart.swift
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@@ -115,18 +115,41 @@ public class NetworkChart: WidgetWrapper {
guard let context = NSGraphicsContext.current?.cgContext else { return }
var points: [(Double, Double)] = []
var labelState: Bool = false
var boxState: Bool = false
var frameState: Bool = false
var scaleState: Scale = .linear
var reverseOrderState: Bool = false
var originWidth: CGFloat = 0
var labelString: [NSAttributedString] = []
var downloadColor: SColor = .secondBlue
var uploadColor: SColor = .secondRed
self.queue.sync {
points = self.points
labelState = self.labelState
boxState = self.boxState
frameState = self.frameState
scaleState = self.scaleState
reverseOrderState = self.reverseOrderState
labelString = self.NSLabelCharts
originWidth = self.width
downloadColor = self.downloadColor
uploadColor = self.uploadColor
}
let lineWidth = 1 / (NSScreen.main?.backingScaleFactor ?? 1)
let offset = lineWidth / 2
let boxSize: CGSize = CGSize(width: self.width - (Constants.Widget.margin.x*2), height: self.frame.size.height)
let boxSize: CGSize = CGSize(width: originWidth - (Constants.Widget.margin.x*2), height: self.frame.size.height)
var x: CGFloat = 0
var width = self.width + (Constants.Widget.margin.x*2)
var width = originWidth + (Constants.Widget.margin.x*2)
if self.labelState {
if labelState {
let letterHeight = self.frame.height / 3
let letterWidth: CGFloat = 6.0
var yMargin: CGFloat = 0
for char in self.NSLabelCharts {
for char in labelString {
let rect = CGRect(x: x, y: yMargin, width: letterWidth, height: letterHeight)
char.draw(with: rect)
yMargin += letterHeight
@@ -139,11 +162,11 @@ public class NetworkChart: WidgetWrapper {
let box = NSBezierPath(roundedRect: NSRect(
x: x + offset,
y: offset,
width: self.width - offset*2,
width: originWidth - offset*2,
height: boxSize.height - (offset*2)
), xRadius: 2, yRadius: 2)
if self.boxState {
if boxState {
(isDarkMode ? NSColor.white : NSColor.black).set()
box.stroke()
box.fill()
@@ -157,9 +180,8 @@ public class NetworkChart: WidgetWrapper {
width: box.bounds.width - (offset*2+lineWidth),
height: box.bounds.height - offset
)
let points = self.points
var topMax: Double = (self.reverseOrderState ? points.map{ $0.1 }.max() : points.map{ $0.0 }.max()) ?? 0
var bottomMax: Double = (self.reverseOrderState ? points.map{ $0.0 }.max() : points.map{ $0.1 }.max()) ?? 0
var topMax: Double = (reverseOrderState ? points.map{ $0.1 }.max() : points.map{ $0.0 }.max()) ?? 0
var bottomMax: Double = (reverseOrderState ? points.map{ $0.0 }.max() : points.map{ $0.1 }.max()) ?? 0
if topMax == 0 {
topMax = 1
}
@@ -176,12 +198,12 @@ public class NetworkChart: WidgetWrapper {
}
let topYPoint = { (point: Int) -> CGFloat in
let value = self.reverseOrderState ? points[point].1 : points[point].0
return scaleValue(scale: self.scaleState, value: value, maxValue: topMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1) + xCenter
let value = reverseOrderState ? points[point].1 : points[point].0
return scaleValue(scale: scaleState, value: value, maxValue: topMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1) + xCenter
}
let bottomYPoint = { (point: Int) -> CGFloat in
let value = self.reverseOrderState ? points[point].0 : points[point].1
return xCenter - scaleValue(scale: self.scaleState, value: value, maxValue: bottomMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1)
let value = reverseOrderState ? points[point].0 : points[point].1
return xCenter - scaleValue(scale: scaleState, value: value, maxValue: bottomMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1)
}
let topLinePath = NSBezierPath()
@@ -194,8 +216,8 @@ public class NetworkChart: WidgetWrapper {
bottomLinePath.line(to: CGPoint(x: columnXPoint(i), y: bottomYPoint(i)))
}
let topColor = (self.reverseOrderState ? self.uploadColor : self.downloadColor).additional as? NSColor
let bottomColor = (self.reverseOrderState ? self.downloadColor : self.uploadColor).additional as? NSColor
let topColor = (reverseOrderState ? self.uploadColor : downloadColor).additional as? NSColor
let bottomColor = (reverseOrderState ? self.downloadColor : uploadColor).additional as? NSColor
bottomColor?.setStroke()
topLinePath.lineWidth = lineWidth
@@ -208,11 +230,11 @@ public class NetworkChart: WidgetWrapper {
context.restoreGState()
context.saveGState()
var underLinePath = topLinePath.copy() as! NSBezierPath
underLinePath.line(to: CGPoint(x: columnXPoint(points.count - 1), y: zero))
underLinePath.line(to: CGPoint(x: columnXPoint(0), y: zero))
underLinePath.close()
underLinePath.addClip()
guard let topUnderLinePath = topLinePath.copy() as? NSBezierPath else { return }
topUnderLinePath.line(to: CGPoint(x: columnXPoint(points.count - 1), y: zero))
topUnderLinePath.line(to: CGPoint(x: columnXPoint(0), y: zero))
topUnderLinePath.close()
topUnderLinePath.addClip()
bottomColor?.withAlphaComponent(0.5).setFill()
let topFillRect = NSRect(x: chartFrame.origin.x - lineWidth, y: chartFrame.origin.y, width: chartFrame.width + (lineWidth*3), height: chartFrame.height)
NSBezierPath(rect: topFillRect).fill()
@@ -220,18 +242,18 @@ public class NetworkChart: WidgetWrapper {
context.restoreGState()
context.saveGState()
underLinePath = bottomLinePath.copy() as! NSBezierPath
underLinePath.line(to: CGPoint(x: columnXPoint(points.count - 1), y: zero))
underLinePath.line(to: CGPoint(x: columnXPoint(0), y: zero))
underLinePath.close()
underLinePath.addClip()
guard let bottomUnderLinePath = bottomLinePath.copy() as? NSBezierPath else { return }
bottomUnderLinePath.line(to: CGPoint(x: columnXPoint(points.count - 1), y: zero))
bottomUnderLinePath.line(to: CGPoint(x: columnXPoint(0), y: zero))
bottomUnderLinePath.close()
bottomUnderLinePath.addClip()
topColor?.withAlphaComponent(0.5).setFill()
let bottomFillRect = NSRect(x: chartFrame.origin.x - lineWidth, y: chartFrame.origin.y, width: chartFrame.width + (lineWidth*3), height: chartFrame.height)
NSBezierPath(rect: bottomFillRect).fill()
context.restoreGState()
if self.boxState || self.frameState {
if boxState || frameState {
(isDarkMode ? NSColor.white : NSColor.black).set()
box.lineWidth = lineWidth
box.stroke()
@@ -341,11 +363,9 @@ public class NetworkChart: WidgetWrapper {
Store.shared.set(key: "\(self.title)_\(self.type.rawValue)_historyCount", value: self.historyCount)
if num < self.points.count {
self.points = Array(self.points[self.points.count-num..<self.points.count])
} else {
let origin = self.points
self.points = Array(repeating: (0, 0), count: num)
self.points.replaceSubrange(Range(uncheckedBounds: (lower: origin.count, upper: num)), with: origin)
self.points = Array(self.points.suffix(num))
} else if num > self.points.count {
self.points = Array(repeating: (0, 0), count: num - self.points.count) + self.points
}
self.display()