UI update, almost complete support of Taskbar, classes separation and organization

Views/MainWindow.xaml

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+<Window x:Class="unison.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:emoji="clr-namespace:Emoji.Wpf;assembly=Emoji.Wpf"
+        xmlns:clr="clr-namespace:System;assembly=mscorlib"
+        xmlns:local="clr-namespace:unison"
+        mc:Ignorable="d"
+        Title="unison"
+        Closing="Window_Closing" Icon="/unison.ico" ResizeMode="CanMinimize" SizeToContent="WidthAndHeight">
+
+    <Grid Background="{DynamicResource {x:Static SystemColors.ControlLightLightBrushKey}}" MinHeight="270">
+        <Grid x:Name="TopLayout" Margin="10,0,10,0" VerticalAlignment="Stretch" Width="Auto" Height="Auto">
+            <Grid x:Name="Display" HorizontalAlignment="Stretch" VerticalAlignment="Top" Margin="225,0,0,0" Height="Auto" Width="Auto">
+                <GroupBox Height="220" VerticalAlignment="Center">
+                    <GroupBox.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <TextBlock Text="🎶"/>
+                        </StackPanel>
+                    </GroupBox.Header>
+                    <Grid>
+                        <Grid x:Name="CurrentSong" Margin="10,0,10,0" VerticalAlignment="Top" MinHeight="80">
+                            <StackPanel Orientation="Vertical" VerticalAlignment="Center">
+                                <TextBlock x:Name="SongTitle" TextWrapping="Wrap" TextAlignment="Center" FontWeight="Normal" FontSize="20" Text="Title"/>
+                                <TextBlock x:Name="SongArtist" TextWrapping="Wrap" TextAlignment="Center" FontWeight="Bold" FontSize="18"  Text="Artist"/>
+                                <TextBlock x:Name="SongAlbum" TextWrapping="Wrap" TextAlignment="Center" FontWeight="Normal" FontSize="16"  Text="Album"/>
+                                <TextBlock x:Name="Bitrate" TextWrapping="Wrap" TextAlignment="Center" FontWeight="Normal"  Text="Bitrate"/>
+                            </StackPanel>
+                        </Grid>
+                        <Grid x:Name="Controls" VerticalAlignment="Top" Margin="10,106,10,0">
+                            <StackPanel HorizontalAlignment="Stretch" Orientation="Vertical" VerticalAlignment="Top">
+                                <Grid HorizontalAlignment="Center" VerticalAlignment="Top">
+                                    <StackPanel Orientation="Horizontal">
+                                        <TextBlock x:Name="CurrentTime" Text="0:00" TextWrapping="Wrap" HorizontalAlignment="Left"/>
+                                        <Slider x:Name="TimeSlider" MinWidth="320" Margin="5,0,5,0" HorizontalAlignment="Center" Maximum="100"/>
+                                        <TextBlock x:Name="EndTime" Text="0:00" TextWrapping="Wrap" Height="18" HorizontalAlignment="Right"/>
+                                    </StackPanel>
+
+                                </Grid>
+
+                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,5,0,0">
+                                    <Button x:Name="PreviousTrack" Click="Previous_Clicked" FontSize="18" Background="{x:Null}" BorderBrush="{x:Null}" FontWeight="Bold" HorizontalAlignment="Left">
+                                        <emoji:TextBlock ColorBlend="True" Text="⏪" FontSize="20"/>
+                                    </Button>
+                                    <Button x:Name="PauseButton" Click="Pause_Clicked" FontSize="18" FontWeight="Bold" Background="{x:Null}" BorderBrush="{x:Null}" Margin="10,0,10,0">
+                                        <emoji:TextBlock x:Name="PauseButtonEmoji" ColorBlend="True" Text="⏯️" FontSize="20"/>
+                                    </Button>
+                                    <Button x:Name="NextTrack" Click="Next_Clicked" FontSize="18" Background="{x:Null}" BorderBrush="{x:Null}" FontWeight="Bold" HorizontalAlignment="Right">
+                                        <emoji:TextBlock ColorBlend="True" Text="⏩" FontSize="20"/>
+                                    </Button>
+                                </StackPanel>
+                                <Grid VerticalAlignment="Stretch" Margin="0,2.5,0,0">
+                                    <StackPanel Orientation="Horizontal" VerticalAlignment="Top" HorizontalAlignment="Center" Margin="0,6,0,0">
+                                        <TextBlock Text="🔈" TextWrapping="Wrap" HorizontalAlignment="Left" VerticalAlignment="Center"/>
+                                        <Slider x:Name="VolumeSlider" Maximum="100" Value="50" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" VerticalAlignment="Center" HorizontalAlignment="Center" MinWidth="180" FlowDirection="LeftToRight" Margin="5,0,5,0" Foreground="{x:Null}" Background="{x:Null}"/>
+                                        <TextBlock Text="🔊" TextWrapping="Wrap" HorizontalAlignment="Right" VerticalAlignment="Center"/>
+                                    </StackPanel>
+                                    <StackPanel HorizontalAlignment="Left" Orientation="Horizontal" VerticalAlignment="Bottom" MinHeight="35">
+                                        <Border BorderThickness="0,0,0,0" BorderBrush="Black" HorizontalAlignment="Stretch" VerticalAlignment="Top" SnapsToDevicePixels="True">
+                                            <Button x:Name="Random" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Background="{x:Null}" BorderBrush="{x:Null}" FontSize="18" Click="Random_Clicked">
+                                                <emoji:TextBlock ColorBlend="True" Text="🔀" FontSize="18" Margin="0" Padding="0, 0, 0, 2" />
+                                            </Button>
+                                        </Border>
+                                        <Border BorderThickness="0, 0, 0, 2" BorderBrush="Black" VerticalAlignment="Top" Margin="5,0,0,0">
+                                            <Button x:Name="Repeat" Background="{x:Null}" FontSize="18" BorderBrush="{x:Null}" Click="Repeat_Clicked">
+                                                <emoji:TextBlock ColorBlend="True" Text="🔁" FontSize="18" Margin="0" Padding="0, 0, 0, 2" />
+                                            </Button>
+                                        </Border>
+                                    </StackPanel>
+                                    <StackPanel HorizontalAlignment="Right" Orientation="Horizontal" VerticalAlignment="Bottom" MinHeight="35">
+                                        <Border BorderThickness="0,0,0,0" BorderBrush="Black" HorizontalAlignment="Stretch" VerticalAlignment="Top" SnapsToDevicePixels="True" Margin="0,0,5,0">
+                                            <Button x:Name="Single" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" BorderBrush="{x:Null}" Background="{x:Null}" Click="Single_Clicked">
+                                                <emoji:TextBlock ColorBlend="True" Text="🔂" FontSize="18" Margin="0" Padding="0, 0, 0, 2" TextDecorations="{x:Null}"/>
+                                            </Button>
+                                        </Border>
+                                        <Border BorderThickness="0,0,0,0" BorderBrush="Black" HorizontalAlignment="Stretch" VerticalAlignment="Top" SnapsToDevicePixels="True">
+                                            <Button x:Name="Consume" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" BorderBrush="{x:Null}" Background="{x:Null}" Click="Consume_Clicked">
+                                                <emoji:TextBlock ColorBlend="True" Text="🆓" FontSize="18" Margin="0" Padding="0, 0, 0, 2"/>
+                                            </Button>
+                                        </Border>
+                                    </StackPanel>
+                                </Grid>
+                            </StackPanel>
+                        </Grid>
+                    </Grid>
+                </GroupBox>
+            </Grid>
+            <Border x:Name="Cover_Border" Padding="2" HorizontalAlignment="Left" VerticalAlignment="Top" MinWidth="219" MinHeight="219" MaxWidth="219" MaxHeight="219" BorderThickness="1" BorderBrush="#FFD5DFE5" CornerRadius="4">
+                <Grid>
+                    <Border Name="mask" Background="White" CornerRadius="3"/>
+                    <StackPanel>
+                        <StackPanel.OpacityMask>
+                            <VisualBrush Visual="{Binding ElementName=mask}"/>
+                        </StackPanel.OpacityMask>
+                        <Image HorizontalAlignment="Center" VerticalAlignment="Center" Source="/images/nocover.png" />
+                    </StackPanel>
+                </Grid>
+            </Border>
+        </Grid>
+        <Grid x:Name="BottomLayout" HorizontalAlignment="Stretch" VerticalAlignment="Bottom" Background="{DynamicResource {x:Static SystemColors.ControlLightBrushKey}}" Width="Auto" MinHeight="40">
+            <Button x:Name="Snapcast" HorizontalAlignment="Left" VerticalAlignment="Center" Click="Snapcast_Clicked" Margin="10,0,0,0" Padding="5, 2" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
+                <StackPanel Orientation="Horizontal">
+                    <emoji:TextBlock Text="🔊"/>
+                    <TextBlock x:Name="SnapcastText" Text="Start Snapcast" Margin="5, 0, 0, 0"/>
+                </StackPanel>
+            </Button>
+            <TextBlock x:Name="Connection" HorizontalAlignment="Center" Text="Not connected" TextWrapping="Wrap" VerticalAlignment="Center" TextAlignment="Center" MinWidth="350" Foreground="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}"/>
+            <StackPanel HorizontalAlignment="Right" Orientation="Horizontal" VerticalAlignment="Center" Margin="0,0,10,0">
+                <Button x:Name="Shuffle" Padding="5, 2" HorizontalAlignment="Right" Margin="0,0,10,0" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
+                    <StackPanel Orientation="Horizontal">
+                        <emoji:TextBlock Text="🔁"/>
+                        <TextBlock Text="Shuffle" Margin="5, 0, 0, 0"/>
+                    </StackPanel>
+                </Button>
+                <Button x:Name="Settings" Padding="5, 2" Click="Settings_Clicked" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
+                    <StackPanel Orientation="Horizontal">
+                        <emoji:TextBlock Text="🛠️"/>
+                        <TextBlock Text="Settings" Margin="5, 0, 0, 0"/>
+                    </StackPanel>
+                </Button>
+            </StackPanel>
+        </Grid>
+        <Image Margin="0,0,503,127" Stretch="Fill" Source="pack://siteoforigin:,,,/Image1.png"/>
+    </Grid>
+</Window>

Views/MainWindow.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Threading;
+using MPDCtrl.Models;
+using System.Windows.Interop;
+using unison.Views;
+
+namespace unison
+{
+    public partial class MainWindow : Window
+    {
+        private readonly MPC _mpd = new();
+        private bool _connected;
+        public int _currentVolume;
+        private bool _currentRandom;
+        private bool _currentRepeat;
+        private bool _currentSingle;
+        private bool _currentConsume;
+        private double _currentElapsed;
+
+        private string _mpdHost = "192.168.1.13";
+        private int _mpdPort = 6600;
+        private string _mpdPassword = null;
+
+        Settings SettingsWindow = new Settings();
+
+        public MainWindow()
+        {
+            InitHwnd();
+            InitializeComponent();
+
+            WindowState = WindowState.Minimized;
+
+            ConnectToMPD();
+            DispatcherTimer timer = new DispatcherTimer();
+            timer.Interval = TimeSpan.FromSeconds(0.2);
+            timer.Tick += Timer_Tick;
+            timer.Start();
+        }
+
+        public async void ConnectToMPD()
+        {
+            Trace.WriteLine("Trying to connect...");
+            _connected = await _mpd.MpdCommandConnectionStart(_mpdHost, _mpdPort, _mpdPassword);
+            if (_connected)
+            {
+                await _mpd.MpdQueryStatus();
+                await Task.Delay(5);
+                _currentVolume = _mpd.MpdStatus.MpdVolume;
+                _currentRandom = _mpd.MpdStatus.MpdRandom;
+                _currentRepeat = _mpd.MpdStatus.MpdRepeat;
+                _currentSingle = _mpd.MpdStatus.MpdSingle;
+                _currentConsume = _mpd.MpdStatus.MpdConsume;
+                _currentElapsed = _mpd.MpdStatus.MpdSongElapsed;
+            }
+        }
+
+        private void Timer_Tick(object sender, EventArgs e)
+        {
+            LoopMPD();
+            UpdateInterface();
+        }
+
+        public void CheckStatus<T>(ref T a, T b)
+        {
+            if (Comparer<T>.Default.Compare(a, b) != 0)
+                a = b;
+        }
+
+        public async void LoopMPD()
+        {
+            if (!_connected)
+                return;
+
+            var status = await _mpd.MpdQueryStatus();
+            //Trace.WriteLine(status.ResultText);
+            await Task.Delay(5);
+
+            if (status != null)
+            {
+                CheckStatus(ref _currentVolume, _mpd.MpdStatus.MpdVolume);
+                CheckStatus(ref _currentRandom, _mpd.MpdStatus.MpdRandom);
+                CheckStatus(ref _currentRepeat, _mpd.MpdStatus.MpdRepeat);
+                CheckStatus(ref _currentSingle, _mpd.MpdStatus.MpdSingle);
+                CheckStatus(ref _currentConsume, _mpd.MpdStatus.MpdConsume);
+                CheckStatus(ref _currentElapsed, _mpd.MpdStatus.MpdSongElapsed);
+            }
+
+            await _mpd.MpdQueryCurrentSong();
+            await Task.Delay(5);
+        }
+
+        public void UpdateButton(ref Button button, bool b)
+        {
+            if (b)
+                button.Foreground = SystemColors.GradientActiveCaptionBrush;
+            else
+                button.Foreground = SystemColors.DesktopBrush;
+        }
+
+        public string FormatSeconds(double time)
+        {
+            TimeSpan timespan = TimeSpan.FromSeconds(time);
+            return timespan.ToString(@"mm\:ss");
+        }
+
+        public void UpdateInterface()
+        {
+            if (_mpd.MpdCurrentSong != null)
+            {
+                SongTitle.Text = _mpd.MpdCurrentSong.Title;
+                SongTitle.ToolTip = _mpd.MpdCurrentSong.File;
+                SongArtist.Text = _mpd.MpdCurrentSong.Artist;
+                SongAlbum.Text = _mpd.MpdCurrentSong.Album + " (" + _mpd.MpdCurrentSong.Date + ")";
+                Bitrate.Text = _mpd.MpdCurrentSong.File.Substring(_mpd.MpdCurrentSong.File.LastIndexOf(".") + 1);
+                Bitrate.Text += " – ";
+                Bitrate.Text += _mpd.MpdStatus.MpdBitrate + "kbps";
+
+                CurrentTime.Text = FormatSeconds(_currentElapsed);
+                EndTime.Text = FormatSeconds(_mpd.MpdStatus.MpdSongTime);
+
+                TimeSlider.Value = _currentElapsed / _mpd.MpdCurrentSong.TimeSort * 100;
+            }
+
+            if (VolumeSlider.Value != _currentVolume)
+            {
+                VolumeSlider.Value = _currentVolume;
+                VolumeSlider.ToolTip = _currentVolume;
+            }
+
+            if (_mpd.MpdStatus.MpdState == Status.MpdPlayState.Play)
+                PauseButtonEmoji.Text = "⏸️";
+            else if (_mpd.MpdStatus.MpdState == Status.MpdPlayState.Pause)
+                PauseButtonEmoji.Text = "▶️";
+
+            SnapcastHandler snapcast = (SnapcastHandler)Application.Current.Properties["snapcast"];
+            if (snapcast.Started)
+                SnapcastText.Text = "Stop Snapcast";
+            else
+                SnapcastText.Text = "Start Snapcast";
+
+            Connection.Text = (_connected ? "✔️" : "❌") + _mpd.MpdHost + ":" + _mpd.MpdPort;
+
+            UpdateButton(ref Random, _currentRandom);
+            UpdateButton(ref Repeat, _currentRepeat);
+            UpdateButton(ref Single, _currentSingle);
+            UpdateButton(ref Consume, _currentConsume);
+        }
+
+        public async void Pause_Clicked(object sender, RoutedEventArgs e)
+        {
+            if (_mpd.MpdStatus.MpdState == Status.MpdPlayState.Play)
+                await _mpd.MpdPlaybackPause();
+            else if (_mpd.MpdStatus.MpdState == Status.MpdPlayState.Pause)
+                await _mpd.MpdPlaybackPlay(_currentVolume);
+        }
+
+        public async void Previous_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdPlaybackPrev(_currentVolume);
+        }
+
+        public async void Next_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdPlaybackNext(_currentVolume);
+        }
+
+        public async void Random_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdSetRandom(!_currentRandom);
+        }
+
+        private async void Repeat_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdSetRepeat(!_currentRepeat);
+        }
+
+        private async void Single_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdSetSingle(!_currentSingle);
+        }
+
+        private async void Consume_Clicked(object sender, RoutedEventArgs e)
+        {
+            await _mpd.MpdSetConsume(!_currentConsume);
+        }
+
+        public async void ChangeVolume(int value)
+        {
+            await _mpd.MpdSetVolume(value);
+        }
+
+        public void Snapcast_Clicked(object sender, RoutedEventArgs e)
+        {
+            SnapcastHandler snapcast = (SnapcastHandler)Application.Current.Properties["snapcast"];
+            if (!snapcast.Started)
+                snapcast.Start(_mpd.MpdHost);
+            else
+                snapcast.Stop();
+        }
+
+        public void Settings_Clicked(object sender, RoutedEventArgs e)
+        {
+            if (SettingsWindow.WindowState == WindowState.Normal)
+            {
+                SettingsWindow.Hide();
+                SettingsWindow.WindowState = WindowState.Minimized;
+            }
+            else if (SettingsWindow.WindowState == WindowState.Minimized)
+            {
+                SettingsWindow.WindowState = WindowState.Normal;
+                SettingsWindow.Show();
+            }
+        }
+
+        private void Window_Closing(object sender, CancelEventArgs e)
+        {
+            e.Cancel = true;
+            WindowState = WindowState.Minimized;
+            Hide();
+        }
+
+        protected override void OnSourceInitialized(EventArgs e)
+        {
+            base.OnSourceInitialized(e);
+            HotkeyHandler hk = (HotkeyHandler)Application.Current.Properties["hotkeys"];
+            hk.Activate(this);
+        }
+
+        public void InitHwnd()
+        {
+            WindowInteropHelper helper = new(this);
+            helper.EnsureHandle();
+        }
+    }
+}

Views/Settings.xaml

@@ -0,0 +1,118 @@
+<Window x:Class="unison.Views.Settings"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:emoji="clr-namespace:Emoji.Wpf;assembly=Emoji.Wpf"
+        xmlns:local="clr-namespace:unison.Views"
+        mc:Ignorable="d"
+        Closing="Window_Closing" Title="Settings" ResizeMode="CanMinimize" Icon="/unison.ico" WindowStyle="ToolWindow" SizeToContent="WidthAndHeight">
+    <Grid>
+        <StackPanel Orientation="Vertical">
+            <TabControl Margin="10">
+                <TabItem Header="MPD">
+                    <DockPanel Margin="8">
+                        <GroupBox DockPanel.Dock="Top" Padding="0,4,0,0">
+                            <GroupBox.Header>
+                                <StackPanel Orientation="Horizontal">
+                                    <emoji:TextBlock Text="📶 Connection"/>
+                                </StackPanel>
+                            </GroupBox.Header>
+                            <Grid VerticalAlignment="Top">
+                                <StackPanel>
+                                    <StackPanel>
+                                        <TextBlock Text="Host" TextWrapping="Wrap" Margin="5,0,0,0"/>
+                                        <TextBox Text="192.168.0.1" TextWrapping="Wrap" Width="250" Margin="10,2,0,0"/>
+                                    </StackPanel>
+
+                                    <StackPanel Margin="0,5,0,0">
+                                        <TextBlock Text="Port" TextWrapping="Wrap" Margin="5,0,0,0"/>
+                                        <TextBox Text="6600" TextWrapping="Wrap" Width="250" Margin="10,2,0,0"/>
+                                    </StackPanel>
+
+                                    <StackPanel Margin="0,5,0,0">
+                                        <TextBlock Text="Password" TextWrapping="Wrap" Margin="5,0,0,0"/>
+                                        <TextBox Text="" TextWrapping="Wrap" Width="250" Margin="10,2,0,0"/>
+                                    </StackPanel>
+                                    <Button Content="Connect" Margin="0,10,0,0" Width="120"/>
+                                </StackPanel>
+                            </Grid>
+                        </GroupBox>
+                    </DockPanel>
+                </TabItem>
+
+                <TabItem Header="Snapcast">
+                    <DockPanel Margin="8">
+                        <GroupBox DockPanel.Dock="Top" Padding="0,4,0,0">
+                            <GroupBox.Header>
+                                <StackPanel Orientation="Horizontal">
+                                    <emoji:TextBlock Text="🔊 Snapcast"/>
+                                </StackPanel>
+                            </GroupBox.Header>
+                            <Grid VerticalAlignment="Top">
+                                <StackPanel>
+                                    <StackPanel>
+                                        <CheckBox Margin="5, 5, 0, 0">
+                                            <TextBlock Text="Launch at startup" TextWrapping="Wrap"/>
+                                        </CheckBox>
+                                        <TextBlock Text="Executable path" TextWrapping="Wrap" Margin="5,5,0,0"/>
+                                        <TextBox Text="snapclient_0.25.0-1_win64" TextWrapping="Wrap" Width="250" Margin="10,2,0,0"/>
+                                        <TextBlock TextWrapping="Wrap" Margin="5,5,0,0" TextAlignment="Left" Width="250">
+                                            You can change to your own locally installed version of the Snapcast client with an <Run FontStyle="Italic" FontWeight="DemiBold">absolute</Run> path.
+                                        </TextBlock>
+                                        <Button Content="Reset" Margin="0,10,0,0" Width="120"/>
+                                    </StackPanel>
+                                </StackPanel>
+                            </Grid>
+                        </GroupBox>
+                    </DockPanel>
+                </TabItem>
+
+                <TabItem Header="About" Height="20" VerticalAlignment="Bottom">
+                    <DockPanel Margin="8">
+                        <GroupBox DockPanel.Dock="Top" Padding="0,4,0,0">
+                            <GroupBox.Header>
+                                <emoji:TextBlock Text="🎶 unison"/>
+                            </GroupBox.Header>
+                            <Grid VerticalAlignment="Top">
+                                <StackPanel Orientation="Vertical">
+                                    <TextBlock TextWrapping="Wrap" Margin="0,0,0,10" VerticalAlignment="Top">
+                                        <Run Text="Version:"/>
+                                        <Run Text="{Binding GetVersion, Mode = OneWay}"/>
+                                    </TextBlock>
+                                    <TextBlock TextWrapping="Wrap" VerticalAlignment="Top">
+                                        unison is free software. It is built with the following technologies:<LineBreak/>
+                                        ※ <Hyperlink NavigateUri="https://torum.github.io/MPDCtrl/" RequestNavigate="Hyperlink_RequestNavigate">MPDCtrl</Hyperlink><LineBreak/>
+                                        ※ <Hyperlink NavigateUri="https://github.com/hardcodet/wpf-notifyicon" RequestNavigate="Hyperlink_RequestNavigate">wpf-notifyicon</Hyperlink><LineBreak/>
+                                        ※ <Hyperlink NavigateUri="https://github.com/samhocevar/emoji.wpf" RequestNavigate="Hyperlink_RequestNavigate">Emoji.WPF</Hyperlink>
+                                    </TextBlock>
+                                    <TextBlock Margin="0,10,0,0">
+                                        Source code freely available
+                                        <Hyperlink NavigateUri="https://git.n700.ovh/keb/unison" RequestNavigate="Hyperlink_RequestNavigate">
+                                            here
+                                        </Hyperlink>.
+                                    </TextBlock>
+                                    <TextBlock Margin="0,10,0,0">
+                                        Made by
+                                        <Hyperlink NavigateUri="https://marchal.dev" RequestNavigate="Hyperlink_RequestNavigate">
+                                            Théo Marchal
+                                        </Hyperlink>.
+                                    </TextBlock>
+                                </StackPanel>
+                            </Grid>
+                        </GroupBox>
+
+                        <GroupBox DockPanel.Dock="Top" Padding="0,4,0,0" Margin="0,10,0,0">
+                            <GroupBox.Header>
+                                <emoji:TextBlock Text="📝 License"/>
+                            </GroupBox.Header>
+                            <Grid VerticalAlignment="Top">
+                                <TextBlock Text="{Binding GetLicense, Mode = OneWay}" TextWrapping="Wrap" Width="400" TextAlignment="Justify" />
+                            </Grid>
+                        </GroupBox>
+                    </DockPanel>
+                </TabItem>
+            </TabControl>
+        </StackPanel>
+    </Grid>
+</Window>

Views/Settings.xaml.cs

@@ -0,0 +1,55 @@
+using System.ComponentModel;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Windows;
+using System.Windows.Navigation;
+
+namespace unison.Views
+{
+    public partial class Settings : Window
+    {
+        public string GetVersion => Assembly.GetEntryAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>().InformationalVersion;
+
+        public Settings()
+        {
+            InitializeComponent();
+            DataContext = this;
+
+            WindowState = WindowState.Minimized;
+        }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e)
+        {
+            ProcessStartInfo psi = new(e.Uri.AbsoluteUri);
+            psi.UseShellExecute = true;
+            Process.Start(psi);
+            e.Handled = true;
+        }
+
+        private void Window_Closing(object sender, CancelEventArgs e)
+        {
+            e.Cancel = true;
+            WindowState = WindowState.Minimized;
+            Hide();
+        }
+
+        public string GetLicense
+        {
+            get
+            {
+                try
+                {
+                    var Reader = new StreamReader("LICENSE");
+                    string file = "";
+                    file = file + Reader.ReadToEnd();
+                    return file;
+                }
+                catch (IOException e)
+                {
+                    return e.Message;
+                }
+            }
+        }
+    }
+}

Views/Systray.xaml

@@ -0,0 +1,53 @@
+<ResourceDictionary 
+                    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:tb="http://www.hardcodet.net/taskbar"
+                    xmlns:local="clr-namespace:unison">
+
+    <tb:TaskbarIcon x:Name="SystrayTaskbar" xmlns:emoji="clr-namespace:Emoji.Wpf;assembly=Emoji.Wpf"
+            IconSource="/unison.ico" ToolTipText="{Binding GetAppText}" DoubleClickCommand="{Binding ShowWindowCommand}" x:Key="SystrayTaskbar">
+        <tb:TaskbarIcon.ContextMenu>
+            <ContextMenu>
+                <MenuItem IsEnabled="False">
+                    <MenuItem.Icon>
+                        <Image Source="/unison.ico" Width="16" Height="16"/>
+                    </MenuItem.Icon>
+                    <MenuItem.Header>
+                        <TextBlock Text="{Binding GetAppText}" />
+                    </MenuItem.Header>
+                </MenuItem>
+                <Separator />
+                <MenuItem Header="Show window" Command="{Binding ShowWindowCommand}">
+                    <MenuItem.Icon>
+                        <Image Width="16" Height="16" emoji:Image.Source="▶️" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <MenuItem Name="test_snapcast_item" Header="{Binding SnapcastText}" Command="{Binding Snapcast}">
+                    <MenuItem.Icon>
+                        <Image Width="16" Height="16" emoji:Image.Source="🔊" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <!--<MenuItem Header="Shuffle" Command="{Binding Shuffle}">
+                    <MenuItem.Icon>
+                        <Image Width="16" Height="16" emoji:Image.Source="🔀" />
+                    </MenuItem.Icon>
+                </MenuItem>-->
+                <MenuItem Header="Settings" Command="{Binding Settings}">
+                    <MenuItem.Icon>
+                        <Image Width="16" Height="16" emoji:Image.Source="🛠️" />
+                    </MenuItem.Icon>
+                </MenuItem>
+                <Separator />
+                <MenuItem Header="Exit" Command="{Binding ExitApplicationCommand}">
+                    <MenuItem.Icon>
+                        <Image Width="16" Height="16" emoji:Image.Source="❌" />
+                    </MenuItem.Icon>
+                </MenuItem>
+            </ContextMenu>
+        </tb:TaskbarIcon.ContextMenu>
+        <tb:TaskbarIcon.DataContext>
+            <local:NotifyIconViewModel />
+        </tb:TaskbarIcon.DataContext>
+    </tb:TaskbarIcon>
+
+</ResourceDictionary>

Views/Systray.xaml.cs

@@ -0,0 +1,23 @@
+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Controls;
+
+/*namespace unison
+{
+    public partial class Systray : ResourceDictionary, INotifyPropertyChanged
+    {
+        public Systray()
+        {
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        private void NotifyPropertyChanged(string propertyName = "")
+        {
+            if (PropertyChanged != null)
+                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}*/