Nonemm/src/Nonemm.App/Windows/TelnetWindow.axaml

<local:RefreshableWindow xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="using:Nonemm.App.Windows"
        xmlns:theming="using:Nonemm.App.Theming"
        x:Class="Nonemm.App.Windows.TelnetWindow"
        Title="Telnet" Width="760" Height="520">
  <Window.Styles>
    <Style Selector="TextBlock.label">
      <Setter Property="FontSize" Value="11" />
      <Setter Property="Opacity" Value="0.7" />
      <Setter Property="Margin" Value="0,6,0,1" />
    </Style>
    <!-- the traffic is a terminal: a line is as tall as its text -->
    <Style Selector="ListBox#Traffic > ListBoxItem">
      <Setter Property="Padding" Value="2,0" />
      <Setter Property="MinHeight" Value="0" />
      <Setter Property="Margin" Value="0" />
    </Style>
  </Window.Styles>

  <TabControl Name="Tabs">
    <TabItem Header="Telnet">
      <DockPanel>
        <Grid DockPanel.Dock="Top" ColumnDefinitions="*,Auto" Margin="8,6,8,4">
          <TextBlock Name="StateText" FontSize="11" Opacity="0.7" VerticalAlignment="Center" />
          <Button Grid.Column="1" Name="ReconnectButton" Content="Reconnect" Click="OnReconnect" />
        </Grid>
        <StackPanel DockPanel.Dock="Bottom" Margin="8,4,8,8" Spacing="4">
          <WrapPanel Name="ButtonRow" />
          <DockPanel>
            <Button DockPanel.Dock="Right" Content="Send" Click="OnSend" IsDefault="True"
                    Margin="6,0,0,0" />
            <TextBox Name="CommandBox" PlaceholderText="command to the node" KeyDown="OnCommandKey" />
          </DockPanel>
        </StackPanel>
        <ListBox Name="Traffic" FontFamily="{x:Static theming:Fonts.Mono}" FontSize="12" Margin="8,0"
                 DoubleTapped="OnJumpToSpot">
          <ListBox.ContextMenu>
            <ContextMenu>
              <MenuItem Header="Jump to this spot" Click="OnJumpToSpot" />
              <MenuItem Header="Copy line" Click="OnCopyLine" />
              <MenuItem Header="Clear" Click="OnClearTraffic" />
            </ContextMenu>
          </ListBox.ContextMenu>
        </ListBox>
      </DockPanel>
    </TabItem>

    <TabItem Header="Clusters">
      <Grid ColumnDefinitions="*,12,300" Margin="10">
        <Grid RowDefinitions="Auto,2*,Auto,Auto,3*">
          <TextBlock Classes="label" Text="Favourites" Margin="0,0,0,1" />
          <ListBox Grid.Row="1" Name="NodeList" SelectionChanged="OnNodePicked" />
          <StackPanel Grid.Row="2" Orientation="Horizontal" Spacing="6" Margin="0,6,0,0">
            <Button Content="Connect" Click="OnConnect" />
            <Button Content="Disconnect" Click="OnDisconnect" />
            <Button Content="Remove" Click="OnRemoveNode" />
          </StackPanel>
          <Grid Grid.Row="3" ColumnDefinitions="*,Auto" Margin="0,12,0,1">
            <TextBlock Classes="label" Name="PublishedText" Text="Published list" VerticalAlignment="Center" />
            <Button Grid.Column="1" Content="Download" Click="OnDownloadNodes" />
          </Grid>
          <ListBox Grid.Row="4" Name="PublishedNodeList" SelectionChanged="OnPublishedNodePicked" />
        </Grid>
        <ScrollViewer Grid.Column="2">
        <StackPanel>
          <TextBlock Classes="label" Text="Name" Margin="0,0,0,1" />
          <TextBox Name="NameBox" />
          <Grid ColumnDefinitions="*,8,80" >
            <StackPanel>
              <TextBlock Classes="label" Text="Node" />
              <TextBox Name="HostBox" PlaceholderText="dxc.example.net" />
            </StackPanel>
            <StackPanel Grid.Column="2">
              <TextBlock Classes="label" Text="Port" />
              <TextBox Name="PortBox" />
            </StackPanel>
          </Grid>
          <TextBlock Classes="label" Text="Password, if the node asks for one" />
          <TextBox Name="PasswordBox" PasswordChar="•" />
          <TextBlock Classes="label" Text="Commands sent after login, one per line" />
          <TextBox Name="CommandsBox" AcceptsReturn="True" Height="70" />
          <Button Content="Save to favourites" Click="OnStoreNode" Margin="0,8,0,0" />

          <TextBlock Classes="label" Text="Options" Margin="0,14,0,1" />
          <CheckBox Name="AutoLogonBox" Content="Log on automatically" />
          <TextBlock Classes="label" Text="Log on with" />
          <TextBox Name="LogonCallBox" PlaceholderText="the station callsign" />
          <TextBlock Classes="label" Text="Keep alive every (minutes)" />
          <TextBox Name="KeepAliveBox" Width="60" HorizontalAlignment="Left" />
          <Button Content="Save options" Click="OnSaveOptions" Margin="0,8,0,0" />
        </StackPanel>
        </ScrollViewer>
      </Grid>
    </TabItem>

    <TabItem Header="Filters">
      <ScrollViewer>
        <StackPanel Margin="10" Spacing="2">
          <TextBlock Classes="label" Text="Bands — none ticked means every band" />
          <WrapPanel Name="BandBoxes" />
          <TextBlock Classes="label" Text="Modes — none ticked means every mode" />
          <StackPanel Orientation="Horizontal" Spacing="12">
            <CheckBox Name="CwBox" Content="CW" />
            <CheckBox Name="PhoneBox" Content="Phone" />
            <CheckBox Name="DigitalBox" Content="Digital" />
          </StackPanel>
          <CheckBox Name="BeaconBox" Content="Show beacon spots" Margin="0,6,0,0" />
          <CheckBox Name="BustedBox" Content="Remove busted spots — a call one character off one the callsign database knows" />
          <CheckBox Name="CallHistoryBox" Content="Only the stations in the call history file" />
          <CheckBox Name="RandomizeBox" Content="Randomise incoming CW spot frequencies" />
          <TextBlock Classes="label" Text="Preferred spotters, whose lines the traffic paints" />
          <TextBox Name="PreferredSpottersBox" PlaceholderText="W3LPL K1TTT" />
          <TextBlock Classes="label" Text="Take spots only from" />
          <CheckBox Name="MyCountryBox" Content="my country" />
          <CheckBox Name="MyContinentBox" Content="my continent" />
          <TextBlock Classes="label" Text="these prefixes, separated by spaces" />
          <TextBox Name="CallAreasBox" PlaceholderText="K1 K2 VE3" />
          <TextBlock Classes="label" Text="Blacklisted spotters" />
          <TextBox Name="BlockedSpottersBox" />
          <TextBlock Classes="label" Text="Blacklisted calls" />
          <TextBox Name="BlockedCallsBox" />
          <TextBlock Classes="label" Text="Bandmap spot timeout (minutes)" />
          <TextBox Name="TimeoutBox" Width="60" HorizontalAlignment="Left" />
          <Button Content="Apply" Click="OnApplyFilters" Margin="0,10,0,0" />
        </StackPanel>
      </ScrollViewer>
    </TabItem>

    <TabItem Header="Buttons">
      <DockPanel Margin="10">
        <TextBlock DockPanel.Dock="Top" Classes="label" Margin="0,0,0,6" TextWrapping="Wrap"
                   Text="The buttons under the traffic. A button takes the message macros — {MYCALL}, {CALL}, {FREQ} — several commands separated by semicolons, or {CONN} and the name of a favourite to connect to it. Leave the label empty to drop the button." />
        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" Spacing="6" Margin="0,10,0,0">
          <Button Content="Save" Click="OnSaveButtons" />
          <Button Content="Back to the defaults" Click="OnResetButtons" />
        </StackPanel>
        <ScrollViewer>
          <Grid Name="ButtonRows" ColumnDefinitions="140,8,*" />
        </ScrollViewer>
      </DockPanel>
    </TabItem>

    <TabItem Header="Spot comment">
      <StackPanel Margin="10">
        <TextBlock Classes="label" Text="Sent with the spots you put on the cluster" />
        <TextBox Name="SpotCommentBox" PlaceholderText="CQ contest" />
        <Button Content="Save" Click="OnSaveSpotComment" Margin="0,10,0,0" />
      </StackPanel>
    </TabItem>
  </TabControl>
</local:RefreshableWindow>