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https://github.com/phranck/TUIkit.git
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phranck
50825d61da
Implement SwiftUI-style structural identity so @State values survive full view-tree reconstruction on every render pass. State is keyed by ViewIdentity (path-based) and property index in a central StateStorage. - Add ViewIdentity (path-based structural identity for views) - Add StateStorage with GC and branch invalidation - Refactor @State to self-hydrate from StateStorage during init - Set root hydration context in RenderLoop before app.body evaluation - Extend RenderContext with identity propagation helpers - Add ConditionalView branch invalidation on switch - Remove scene cache from RenderLoop (app.body evaluated fresh per frame) - Enhance Example App pages with @State (ButtonsPage, OverlaysPage, ContainersPage) - Update DocC articles (StateManagement, RenderCycle) - Add 12 tests for state storage identity
86 lines
2.7 KiB
Swift
86 lines
2.7 KiB
Swift
//
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// OverlaysPage.swift
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// TUIkitExample
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//
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// Demonstrates overlay and modal capabilities.
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//
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import TUIkit
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/// Overlays and modals demo page.
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///
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/// Shows the overlay system including:
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/// - `.overlay()` modifier with `@State`-controlled visibility
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/// - `.dimmed()` modifier
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/// - `.modal()` helper
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/// - Note: The status bar is NOT dimmed by modals!
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struct OverlaysPage: View {
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@State var showModal: Bool = true
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var body: some View {
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if showModal {
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backgroundContent
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.dimmed()
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.overlay {
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HStack {
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Spacer()
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Alert(
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title: "Alert",
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message: "This alert overlays dimmed content!",
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borderColor: .palette.border,
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titleColor: .palette.accent
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) {
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VStack(spacing: 1) {
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Button("Dismiss", style: .primary) {
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showModal = false
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}
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}
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}
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.frame(width: 55)
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Spacer()
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}
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}
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} else {
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backgroundContent
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}
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}
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var backgroundContent: some View {
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VStack(spacing: 1) {
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HeaderView(title: "Overlays & Modals Demo")
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DemoSection("Overlay System Features") {
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Text(" .overlay() modifier - layer content on top")
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Text(" .dimmed() modifier - reduce visual emphasis")
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Text(" .modal() helper - combines dimmed + centered overlay")
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}
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DemoSection("Modal Toggle (@State)") {
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HStack(spacing: 2) {
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if showModal {
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Text("Modal is visible")
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.foregroundColor(.palette.accent)
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} else {
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Text("Modal dismissed")
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.foregroundColor(.palette.foregroundSecondary)
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Button("Show Again", style: .primary) {
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showModal = true
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}
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}
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}
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}
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DemoSection("How It Works") {
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Text("The modal visibility is controlled by @State var showModal")
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Text("Pressing 'Dismiss' sets showModal = false")
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.foregroundColor(.palette.foregroundSecondary)
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Text("Note: The status bar is NOT dimmed!")
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.bold()
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.foregroundColor(.palette.accent)
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}
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Spacer()
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}
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}
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}
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