75 lines
2.2 KiB
Swift
75 lines
2.2 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import SwiftUI
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struct PrimaryActionButtonStyle: ButtonStyle {
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@Environment(\.theme) private var theme
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@Environment(\.isEnabled) private var isEnabled
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/// `theme.colors.accent` by default
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var customColor: Color?
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/// `theme.colors.body` by default
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var font: Font?
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private var fontColor: Color {
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// Always white unless disabled with a dark theme.
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.white.opacity(theme.isDark && !isEnabled ? 0.3 : 1.0)
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}
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private var backgroundColor: Color {
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customColor ?? theme.colors.accent
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}
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func makeBody(configuration: Self.Configuration) -> some View {
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configuration.label
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.padding(12.0)
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.frame(maxWidth: .infinity)
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.foregroundColor(fontColor)
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.font(font ?? theme.fonts.body)
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.background(backgroundColor.opacity(backgroundOpacity(when: configuration.isPressed)))
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.cornerRadius(8.0)
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}
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func backgroundOpacity(when isPressed: Bool) -> CGFloat {
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guard isEnabled else { return 0.3 }
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return isPressed ? 0.6 : 1.0
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}
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}
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struct PrimaryActionButtonStyle_Previews: PreviewProvider {
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static var buttons: some View {
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Group {
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VStack {
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Button("Enabled") { }
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.buttonStyle(PrimaryActionButtonStyle())
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Button("Disabled") { }
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.buttonStyle(PrimaryActionButtonStyle())
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.disabled(true)
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Button { } label: {
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Text("Clear BG")
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.foregroundColor(.red)
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}
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.buttonStyle(PrimaryActionButtonStyle(customColor: .clear))
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Button("Red BG") { }
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.buttonStyle(PrimaryActionButtonStyle(customColor: .red))
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}
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.padding()
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}
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}
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static var previews: some View {
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buttons
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.theme(.light).preferredColorScheme(.light)
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buttons
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.theme(.dark).preferredColorScheme(.dark)
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}
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}
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