enricobuehler
77c244b208
THIRD-PARTY-NOTICES.txt is ~885 KB / 16k lines; rendering it in a single SwiftUI Text overshot the text-rendering height limit — it laid out for ages and drew blank below the cutoff (only the small punktfunk licenses above it showed). Split the notices into ~80 line-chunks (<=200 lines / <=18 KB each, computed once as Licenses.thirdPartyNoticesChunks) and render them in a top-level LazyVStack so only on-screen chunks lay out and no chunk is tall enough to clip. Chunking is lossless — rejoining the chunks reproduces the original byte-for-byte, so no notice text is dropped. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
73 lines
2.9 KiB
Swift
73 lines
2.9 KiB
Swift
import PunktfunkKit
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import SwiftUI
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/// Open-source acknowledgements: punktfunk's own license (MIT OR Apache-2.0) followed by the
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/// third-party software notices. Used as a pushed view on iOS/tvOS and a preferences tab on macOS.
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struct AcknowledgementsView: View {
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private var version: String? {
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Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
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}
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var body: some View {
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ScrollView {
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// Top-level LazyVStack so the third-party-notices chunks (Licenses.thirdPartyNoticesChunks,
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// ~885 KB total) load lazily as they scroll into view — a single Text that large overshoots
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// the text-rendering height limit (blank below the limit + very slow). spacing 0 keeps the
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// notice chunks visually continuous; the header block carries its own spacing + bottom pad.
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LazyVStack(alignment: .leading, spacing: 0) {
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VStack(alignment: .leading, spacing: 18) {
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Text("punktfunk")
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.font(.title2).bold()
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if let version {
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Text("Version \(version)")
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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Text(Licenses.appLicense)
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.font(.caption.monospaced())
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.modifier(SelectableText())
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Divider()
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Text("Third-party software")
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.font(.headline)
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Text(
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"punktfunk uses the open-source components below, each under its own license. "
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+ "On some platforms FFmpeg is additionally bundled under the LGPL v2.1+ "
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+ "(dynamically linked, replaceable)."
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)
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding(.bottom, 18)
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ForEach(Licenses.thirdPartyNoticesChunks.indices, id: \.self) { i in
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Text(Licenses.thirdPartyNoticesChunks[i])
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.font(.caption2.monospaced())
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.frame(maxWidth: .infinity, alignment: .leading)
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.modifier(SelectableText())
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}
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}
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.frame(maxWidth: 900, alignment: .leading)
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding()
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#if os(tvOS)
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.padding(40)
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#endif
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}
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.navigationTitle("Acknowledgements")
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}
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}
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/// `textSelection(.enabled)` is unavailable on tvOS, so apply it only where it exists.
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private struct SelectableText: ViewModifier {
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func body(content: Content) -> some View {
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#if os(tvOS)
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content
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#else
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content.textSelection(.enabled)
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#endif
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}
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}
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