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phranck
e214215610
- Migrate 20 Equatable conformances across 17 files from nonisolated + MainActor.assumeIsolated to @preconcurrency Equatable (SE-0423) - Remove unnecessary import Foundation from 29 source files - Extract TextFieldHandler clipboard ops into TextFieldHandler+Clipboard.swift - Extract RenderContext into RenderContext.swift (Renderable.swift 553 -> 279 lines) - Extract ANSIColor enum into ANSIColor.swift (Color.swift 600 -> 533 lines) - Add deprecation timeline note for progressBarStyle(_:) - Migrate test usages from progressBarStyle to trackStyle
40 lines
1.3 KiB
Swift
40 lines
1.3 KiB
Swift
// 🖥️ TUIKit — Terminal UI Kit for Swift
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// ScrollIndicator.swift
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//
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// Created by LAYERED.work
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// License: MIT
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// MARK: - Scroll Direction
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/// The direction of a scroll indicator arrow.
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enum ScrollDirection {
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case up, down
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}
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// MARK: - Scroll Indicator Rendering
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/// Renders a centered scroll indicator line with an arrow and label.
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///
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/// Used by `_ListCore` and `_TableCore` to show "more above" / "more below"
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/// indicators when content extends beyond the visible viewport.
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///
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/// - Parameters:
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/// - direction: Whether the indicator points up or down.
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/// - width: The total width available for the indicator line.
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/// - palette: The color palette for styling.
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/// - Returns: A styled string with a centered scroll indicator.
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@MainActor
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func renderScrollIndicator(direction: ScrollDirection, width: Int, palette: any Palette) -> String {
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let arrow = direction == .up ? "▲" : "▼"
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let label = direction == .up ? " more above " : " more below "
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let styledArrow = ANSIRenderer.colorize(arrow, foreground: palette.foregroundTertiary)
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let styledLabel = ANSIRenderer.colorize(label, foreground: palette.foregroundTertiary)
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let indicatorWidth = 1 + label.count
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let padding = max(0, (width - indicatorWidth) / 2)
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return String(repeating: " ", count: padding) + styledArrow + styledLabel
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}
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