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Working better segmented control

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This commit is contained in:
Hariharan Mudaliar 2025-09-10 21:02:28 +05:30
commit f8bdda0033
1 changed files with 115 additions and 32 deletions
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147
DynamicIsland/components/Live activities/SystemEventIndicatorModifier.swift
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@ -98,26 +98,34 @@ struct DraggableProgressBar: View {
var body: some View {
VStack {
GeometryReader { geo in
ZStack(alignment: .leading) {
Capsule()
.fill(.tertiary)
Group {
switch Defaults[.progressBarStyle] {
case .gradient:
Group {
if Defaults[.progressBarStyle] == .segmented {
// Segmented progress bar - completely different layout
SegmentedProgressContent(value: value, geometry: geo)
} else {
// Traditional capsule-based progress bar
ZStack(alignment: .leading) {
Capsule()
.fill(LinearGradient(colors: Defaults[.systemEventIndicatorUseAccent] ? [Defaults[.accentColor], Defaults[.accentColor].ensureMinimumBrightness(factor: 0.2)] : [.white, .white.opacity(0.2)], startPoint: .trailing, endPoint: .leading))
.frame(width: max(0, min(geo.size.width * value, geo.size.width)))
.shadow(color: Defaults[.systemEventIndicatorShadow] ? Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7) : .white : .clear, radius: 8, x: 3)
case .hierarchical:
Capsule()
.fill(Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor] : .white)
.frame(width: max(0, min(geo.size.width * value, geo.size.width)))
.shadow(color: Defaults[.systemEventIndicatorShadow] ? Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7) : .white : .clear, radius: 8, x: 3)
case .segmented:
SegmentedProgressContent(value: value, geometry: geo)
.fill(.tertiary)
Group {
switch Defaults[.progressBarStyle] {
case .gradient:
Capsule()
.fill(LinearGradient(colors: Defaults[.systemEventIndicatorUseAccent] ? [Defaults[.accentColor], Defaults[.accentColor].ensureMinimumBrightness(factor: 0.2)] : [.white, .white.opacity(0.2)], startPoint: .trailing, endPoint: .leading))
.frame(width: max(0, min(geo.size.width * value, geo.size.width)))
.shadow(color: Defaults[.systemEventIndicatorShadow] ? Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7) : .white : .clear, radius: 8, x: 3)
case .hierarchical:
Capsule()
.fill(Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor] : .white)
.frame(width: max(0, min(geo.size.width * value, geo.size.width)))
.shadow(color: Defaults[.systemEventIndicatorShadow] ? Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7) : .white : .clear, radius: 8, x: 3)
case .segmented:
EmptyView() // This case won't be reached due to the outer if condition
}
}
.opacity(value.isZero ? 0 : 1)
}
}
.opacity(value.isZero ? 0 : 1)
}
.gesture(
DragGesture(minimumDistance: 0)
@ -150,25 +158,100 @@ struct SegmentedProgressContent: View {
let value: CGFloat
let geometry: GeometryProxy
private let segmentCount = 20
private let segmentCount = 16
@State private var glowIndex: Int? = nil
@State private var lastValue: CGFloat = 0
var body: some View {
HStack(spacing: 1) {
let spacing: CGFloat = 1.5
let computed = (geometry.size.width - CGFloat(segmentCount - 1) * spacing) / CGFloat(segmentCount)
let barWidth = max(3.0, min(6.0, computed))
let activeCount = Int(round(value * CGFloat(segmentCount)))
HStack(spacing: spacing) {
ForEach(0..<segmentCount, id: \.self) { index in
let segmentValue = CGFloat(index + 1) / CGFloat(segmentCount)
let isActive = value >= segmentValue
RoundedRectangle(cornerRadius: 1)
.fill(isActive ?
(Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor] : .white) :
.clear)
.frame(width: max(1, (geometry.size.width - CGFloat(segmentCount - 1) * 1) / CGFloat(segmentCount)))
.shadow(color: isActive && Defaults[.systemEventIndicatorShadow] ?
(Defaults[.systemEventIndicatorUseAccent] ? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7) : .white) :
.clear, radius: 4, x: 1)
.opacity(value.isZero ? 0 : (isActive ? 1 : 0.3))
RoundedRectangle(cornerRadius: 2)
.fill(segmentColor(isActive: index < activeCount))
.shadow(
color: Defaults[.systemEventIndicatorShadow]
? glowShadowColor(for: index < activeCount, index: index)
: .clear,
radius: Defaults[.systemEventIndicatorShadow]
? (glowIndex == index ? 12 : (index < activeCount ? 4 : 0))
: 0,
x: 0, y: 0
)
.frame(width: barWidth)
.animation(.spring(response: 0.3, dampingFraction: 0.8), value: activeCount)
.scaleEffect(glowIndex == index ? 1.15 : 1.0)
.animation(.spring(response: 0.2, dampingFraction: 0.6), value: glowIndex == index)
}
}
.frame(width: geometry.size.width)
.frame(maxWidth: .infinity, alignment: .center)
.opacity(value.isZero ? 0 : 1)
.onChange(of: value) { old, newVal in
handleGlow(oldValue: old, newValue: newVal)
}
}
private func segmentColor(isActive: Bool) -> Color {
if isActive {
if Defaults[.systemEventIndicatorUseAccent] {
return Defaults[.accentColor]
}
return .white
} else {
return .white.opacity(0.15)
}
}
private func glowShadowColor(for isActive: Bool, index: Int) -> Color {
if isActive {
if let glowIndex = glowIndex, index == glowIndex {
return Defaults[.systemEventIndicatorUseAccent]
? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.8)
: .white
} else {
return Defaults[.systemEventIndicatorUseAccent]
? Defaults[.accentColor].ensureMinimumBrightness(factor: 0.7)
: .white
}
}
return .clear
}
private func handleGlow(oldValue: CGFloat, newValue: CGFloat) {
defer { lastValue = newValue }
let oldIndex = Int(round(oldValue * CGFloat(segmentCount)))
let newIndex = Int(round(newValue * CGFloat(segmentCount)))
guard oldIndex != newIndex else { return }
if newIndex > oldIndex {
animateWave(from: oldIndex, to: newIndex, step: 1)
} else {
animateWave(from: oldIndex - 1, to: newIndex - 1, step: -1)
}
}
private func animateWave(from start: Int, to end: Int, step: Int) {
let clampedStart = max(0, min(segmentCount - 1, start))
let clampedEnd = max(-1, min(segmentCount - 1, end))
let range = stride(from: clampedStart, through: clampedEnd, by: step)
var delay: Double = 0
for i in range {
DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
withAnimation(.spring(response: 0.2, dampingFraction: 0.7)) {
glowIndex = i
}
}
DispatchQueue.main.asyncAfter(deadline: .now() + delay + 0.2) {
if glowIndex == i {
withAnimation(.spring(response: 0.3, dampingFraction: 0.8)) {
glowIndex = nil
}
}
}
delay += 0.015
}
}
}