806e2f1ec6
Phase 4 — Platform shells: - calcpad-macos/: SwiftUI two-column editor with Rust FFI bridge (16 files) - calcpad-windows/: iced GUI with Windows 11 Fluent theme (7 files, 13 tests) - calcpad-web/: React 18 + CodeMirror 6 + WASM Worker + PWA (20 files) - calcpad-cli/: clap-based CLI with expression eval, pipe/stdin, JSON/CSV output, and interactive REPL with rustyline history Phase 5 — Engine modules: - formatting/: answer formatting (decimal/scientific/SI notation, thousands separators, currency), line type classification, clipboard values (93 tests) - plugins/: CalcPadPlugin trait, PluginRegistry, Rhai scripting stub (43 tests) - benches/: criterion benchmarks (single-line, 100/500-line sheets, DAG, incremental) - tests/sheet_scenarios.rs: 20 real-world integration tests - tests/proptest_fuzz.rs: 12 property-based fuzz tests 771 tests passing across workspace, 0 failures.
112 lines
3.9 KiB
Swift
112 lines
3.9 KiB
Swift
import AppKit
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import SwiftUI
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/// Displays calculation results in a vertical column, one result per line,
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/// aligned to match the corresponding editor lines.
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/// Uses NSViewRepresentable wrapping NSScrollView + NSTextView for pixel-perfect
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/// line height alignment with the editor.
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struct AnswerColumnView: NSViewRepresentable {
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let results: [LineResult]
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@Binding var scrollOffset: CGFloat
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var font: NSFont
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func makeCoordinator() -> Coordinator {
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Coordinator()
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}
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func makeNSView(context: Context) -> NSScrollView {
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let scrollView = NSScrollView()
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scrollView.hasVerticalScroller = false
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scrollView.hasHorizontalScroller = false
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scrollView.borderType = .noBorder
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scrollView.drawsBackground = false
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// Disable user scrolling — scroll is driven by the editor
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scrollView.verticalScrollElasticity = .none
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scrollView.horizontalScrollElasticity = .none
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let textView = NSTextView()
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textView.isEditable = false
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textView.isSelectable = true
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textView.isRichText = true
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textView.usesFontPanel = false
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textView.drawsBackground = false
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textView.backgroundColor = .clear
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// Match editor text container settings for alignment
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textView.textContainer?.lineFragmentPadding = 4
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textView.textContainerInset = NSSize(width: 8, height: 8)
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// Disable line wrapping to match editor behavior
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textView.isHorizontallyResizable = true
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textView.textContainer?.widthTracksTextView = false
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textView.textContainer?.containerSize = NSSize(
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width: CGFloat.greatestFiniteMagnitude,
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height: CGFloat.greatestFiniteMagnitude
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)
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textView.maxSize = NSSize(
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width: CGFloat.greatestFiniteMagnitude,
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height: CGFloat.greatestFiniteMagnitude
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)
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scrollView.documentView = textView
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context.coordinator.textView = textView
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context.coordinator.scrollView = scrollView
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updateContent(textView: textView)
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return scrollView
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}
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func updateNSView(_ scrollView: NSScrollView, context: Context) {
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guard let textView = scrollView.documentView as? NSTextView else { return }
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updateContent(textView: textView)
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// Sync scroll position from editor
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let currentOffset = scrollView.contentView.bounds.origin.y
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if abs(currentOffset - scrollOffset) > 0.5 {
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scrollView.contentView.scroll(to: NSPoint(x: 0, y: scrollOffset))
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scrollView.reflectScrolledClipView(scrollView.contentView)
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}
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}
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private func updateContent(textView: NSTextView) {
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let attributedString = NSMutableAttributedString()
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let paragraphStyle = NSMutableParagraphStyle()
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paragraphStyle.alignment = .right
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let resultColor = NSColor.secondaryLabelColor
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let errorColor = NSColor.systemRed
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for (index, lineResult) in results.enumerated() {
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let displayText = lineResult.result ?? ""
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let color = lineResult.isError ? errorColor : resultColor
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let attributes: [NSAttributedString.Key: Any] = [
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.font: font,
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.foregroundColor: color,
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.paragraphStyle: paragraphStyle,
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]
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let line = NSAttributedString(string: displayText, attributes: attributes)
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attributedString.append(line)
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// Add newline between lines (but not after the last)
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if index < results.count - 1 {
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let newline = NSAttributedString(
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string: "\n",
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attributes: [.font: font]
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)
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attributedString.append(newline)
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}
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}
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textView.textStorage?.setAttributedString(attributedString)
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}
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final class Coordinator {
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weak var textView: NSTextView?
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weak var scrollView: NSScrollView?
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}
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}
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