Add some debouncing

[rbdr/map] / Map / Presentation / Base Components / SearchBar.swift

// Copyright (C) 2024 Rubén Beltrán del Río

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see https://map.tranquil.systems.
import SwiftUI

struct SearchBar: View {

  @Binding var term: String
  @FocusState var isSearchFocused: Bool
  var onNext: () -> Void = {}
  var onPrevious: () -> Void = {}
  var onSubmit: () -> Void = {}
  var onDismiss: () -> Void = {}

  var body: some View {
    HStack(spacing: 2.0) {
      ZStack {
        TextField("Search", text: $term)
          .textFieldStyle(.roundedBorder)
          .padding(.trailing, 16.0)
          .focused($isSearchFocused)
          .onAppear {
            isSearchFocused = true
          }
          .onKeyPress { press in
            if press.key == .return {
              if press.modifiers.contains(.shift) {
                onPrevious()
                return .handled
              }
              onNext()
              return .handled
            }
            return .ignored
          }
      }
      Spacer()
      Button(action: onPrevious) {
        Image(systemName: "chevron.left")
          .font(.Theme.smallControl)
      }.keyboardShortcut(
        "g", modifiers: EventModifiers([.command, .shift])
      ).help("Find Previous (⇧⌘G)")
      Button(action: onNext) {
        Image(systemName: "chevron.right")
          .font(.Theme.smallControl)
      }.keyboardShortcut(
        "g", modifiers: EventModifiers([.command])
      ).help("Find Next (⌘G)")
      Button(action: onDismiss) {
        Text("Done")
          .font(.Theme.smallControl)
      }.keyboardShortcut(.escape, modifiers: EventModifiers())
        .help("Done (⎋)")
    }.padding(4.0)
  }
}

#Preview {
  SearchBar(term: .constant("Hello"))
}