jellyflood/Swiftfin/Components/LetterPickerBar/Components/LetterPickerOverflow.swift

51 lines
1.3 KiB
Swift

//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2024 Jellyfin & Jellyfin Contributors
//
import Foundation
import SwiftUI
struct LetterPickerOverflow: ViewModifier {
@State
private var contentOverflow: Bool = false
func body(content: Content) -> some View {
GeometryReader { geometry in
content
.background(
GeometryReader { contentGeometry in
Color.clear.onAppear {
contentOverflow = contentGeometry.size.height > geometry.size.height
}
}
)
.wrappedInScrollView(when: contentOverflow)
}
}
}
extension View {
@ViewBuilder
func wrappedInScrollView(when condition: Bool) -> some View {
if condition {
ScrollView(showsIndicators: false) {
self
}
.frame(maxWidth: .infinity, alignment: .center)
} else {
self
.frame(width: 30, alignment: .center)
}
}
}
extension View {
func scrollOnOverflow() -> some View {
modifier(LetterPickerOverflow())
}
}