notes/lib/widgets/tool_bar.dart

import 'package:adwaita_icons/adwaita_icons.dart';
import 'package:fluentui_system_icons/fluentui_system_icons.dart';
import 'package:flutter/material.dart';
import 'package:iconify_flutter/iconify_flutter.dart';
import 'package:iconify_flutter/icons/emojione_monotone.dart';
import 'package:iconify_flutter/icons/jam.dart';

import '../canvas/paint_controller.dart';
import 'icon_material_button.dart';

class ToolBar extends StatefulWidget {
  const ToolBar({Key? key, required this.onPenChange}) : super(key: key);

  final void Function(Pen pen) onPenChange;

  @override
  State<ToolBar> createState() => _ToolBarState();
}

class _ToolBarState extends State<ToolBar> {
  Pen activepen = Pen.pen;

  @override
  Widget build(BuildContext context) {
    return Container(
      color: const Color(0xff252525),
      width: 40,
      child: Padding(
        padding: const EdgeInsets.only(left: 3, right: 3),
        child: Column(
          children: [
            const SizedBox(
              height: 10,
            ),
            IconMaterialButton(
              icon: const Iconify(
                EmojioneMonotone.fountain_pen,
                size: 20,
                color: Color.fromRGBO(255, 255, 255, .85),
              ),
              color: const Color.fromRGBO(255, 255, 255, .85),
              onPressed: () {
                setState(() => activepen = Pen.pen);
                widget.onPenChange(Pen.pen);
              },
              selected: activepen == Pen.pen,
              iconSize: 20,
            ),
            IconMaterialButton(
              icon: const Iconify(
                Jam.highlighter,
                size: 20,
                color: Color.fromRGBO(255, 255, 255, .85),
              ),
              color: const Color.fromRGBO(255, 255, 255, .85),
              onPressed: () {
                setState(() => activepen = Pen.highlighter);
                widget.onPenChange(Pen.highlighter);
              },
              selected: activepen == Pen.highlighter,
              iconSize: 20,
            ),
            IconMaterialButton(
              icon: Transform.translate(
                offset: const Offset(-2.0, .0),
                child: const AdwaitaIcon(AdwaitaIcons.eraser2),
              ),
              color: const Color.fromRGBO(255, 255, 255, .85),
              onPressed: () {
                setState(() => activepen = Pen.eraser);
                widget.onPenChange(Pen.eraser);
              },
              iconSize: 20,
              selected: activepen == Pen.eraser,
            ),
            IconMaterialButton(
              icon: const Icon(FluentIcons.select_object_24_regular),
              color: const Color.fromRGBO(255, 255, 255, .85),
              onPressed: () {
                setState(() => activepen = Pen.selector);
                widget.onPenChange(Pen.selector);
              },
              selected: activepen == Pen.selector,
              iconSize: 20,
            ),
          ],
        ),
      ),
    );
  }
}