sourcegit/src/Views/Welcome.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             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:c="using:SourceGit.Converters"
             xmlns:vm="using:SourceGit.ViewModels"
             xmlns:v="using:SourceGit.Views"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="SourceGit.Views.Welcome"
             x:DataType="vm:Welcome">
  <Grid RowDefinitions="36,*,36" Background="{DynamicResource Brush.Window}">
    <Border Grid.Row="0" BorderBrush="{DynamicResource Brush.Border0}" BorderThickness="0,0,0,1" Background="{DynamicResource Brush.ToolBar}">
      <StackPanel Orientation="Horizontal" Margin="4,0,0,0">
        <Button Classes="icon_button" Width="32" Click="OpenLocalRepository" ToolTip.Tip="{DynamicResource Text.Welcome.OpenOrInit}">
          <Path Width="15" Height="13" Data="{StaticResource Icons.Folder.Open}"/>
        </Button>

        <Button Classes="icon_button" Width="32" Command="{Binding Clone}" CommandParameter="{Binding $parent[v:Launcher].DataContext}" ToolTip.Tip="{DynamicResource Text.Welcome.Clone}">
          <Path Width="13" Height="13" Data="{StaticResource Icons.Pull}"/>
        </Button>

        <Button Classes="icon_button" Width="32" Command="{Binding OpenTerminal}" ToolTip.Tip="{DynamicResource Text.Welcome.OpenTerminal}">
          <Path Width="13" Height="13" Data="{StaticResource Icons.Terminal}"/>
        </Button>
      </StackPanel>
    </Border>

    <Grid Grid.Row="1" Margin="0,8" ColumnDefinitions="*,600,*">
      <Grid Grid.Column="1" RowDefinitions="Auto,*">
        <Grid Grid.Row="0" ColumnDefinitions="28,*,Auto">
          <Border Grid.Column="0" Grid.ColumnSpan="3"
                  Height="32"
                  CornerRadius="16"
                  BorderBrush="{DynamicResource Brush.Border0}"
                  BorderThickness="1"
                  Background="{DynamicResource Brush.Contents}"/>

          <Path Grid.Column="0"
                Width="16" Height="16"
                Margin="4,0,0,0"
                Data="{StaticResource Icons.Search}"/>

          <TextBox Grid.Column="1"
                   Height="24"
                   Padding="0"
                   Classes="no_border no_background"
                   Watermark="{DynamicResource Text.Welcome.Search}"
                   VerticalContentAlignment="Center"
                   Text="{Binding SearchFilter, Mode=TwoWay}"/>

          <Button Grid.Column="2" Classes="icon_button" IsVisible="{Binding IsClearSearchVisible}" Command="{Binding ClearSearchFilter}">
            <Path Width="16" Height="16" Margin="0,0,4,0" Data="{StaticResource Icons.Clear}"/>
          </Button>
        </Grid>

        <TreeView Grid.Row="1"
                  Margin="0,8,8,0"
                  ItemsSource="{Binding RepositoryNodes}"
                  ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                  ScrollViewer.VerticalScrollBarVisibility="Auto"
                  Loaded="SetupTreeViewDragAndDrop"
                  LostFocus="OnTreeViewLostFocus">
          <TreeView.ContextMenu>
            <ContextMenu>
              <MenuItem Header="{DynamicResource Text.Welcome.AddRootFolder}" Command="{Binding AddFolder}">
                <MenuItem.Icon>
                  <Path Width="12" Height="12" Data="{DynamicResource Icons.Folder.Add}"/>
                </MenuItem.Icon>
              </MenuItem>
            </ContextMenu>
          </TreeView.ContextMenu>

          <TreeView.Styles>
            <Style Selector="TreeViewItem" x:DataType="vm:RepositoryNode">
              <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
              <Setter Property="IsVisible" Value="{Binding IsVisible}"/>
              <Setter Property="CornerRadius" Value="4"/>
              <Setter Property="ContextMenu">
                <Setter.Value>
                  <ContextMenu>
                    <MenuItem Header="{DynamicResource Text.Welcome.Edit}" Command="{Binding Edit}">
                      <MenuItem.Icon>
                        <Path Width="12" Height="12" Data="{DynamicResource Icons.Edit}"/>
                      </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="{DynamicResource Text.Welcome.AddSubFolder}" Command="{Binding AddSubFolder}" IsVisible="{Binding !IsRepository}">
                      <MenuItem.Icon>
                        <Path Width="12" Height="12" Data="{DynamicResource Icons.Folder.Add}"/>
                      </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="{DynamicResource Text.RepoCM.Explore}" Command="{Binding OpenInFileManager}" IsVisible="{Binding IsRepository}">
                      <MenuItem.Icon>
                        <Path Width="12" Height="12" Data="{DynamicResource Icons.OpenWith}"/>
                      </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="{DynamicResource Text.Welcome.OpenTerminal}" Command="{Binding OpenTerminal}" IsVisible="{Binding IsRepository}">
                      <MenuItem.Icon>
                        <Path Width="12" Height="12" Data="{DynamicResource Icons.Terminal}"/>
                      </MenuItem.Icon>
                    </MenuItem>
                    <MenuItem Header="{DynamicResource Text.Welcome.Delete}" Command="{Binding Delete}">
                      <MenuItem.Icon>
                        <Path Width="12" Height="12" Data="{DynamicResource Icons.Clear}"/>
                      </MenuItem.Icon>
                    </MenuItem>
                  </ContextMenu>
                </Setter.Value>
              </Setter>
            </Style>
          </TreeView.Styles>

          <TreeView.ItemTemplate>
            <TreeDataTemplate ItemsSource="{Binding SubNodes}">
              <Grid Height="30"
                    ColumnDefinitions="Auto,Auto,*"
                    Background="Transparent"
                    PointerPressed="OnPointerPressedTreeNode"
                    PointerMoved="OnPointerMovedOverTreeNode"
                    PointerReleased="OnPointerReleasedOnTreeNode"
                    DoubleTapped="OnDoubleTappedTreeNode"
                    Loaded="SetupTreeNodeDragAndDrop"
                    ClipToBounds="True">
                <Path Grid.Column="0" Width="12" Height="12" Margin="0,0,8,0"
                      Fill="{Binding Bookmark, Converter={x:Static c:BookmarkConverters.ToBrush}}"
                      StrokeThickness="{Binding Bookmark, Converter={x:Static c:BookmarkConverters.ToStrokeThickness}}"
                      Stroke="{DynamicResource Brush.FG1}"
                      HorizontalAlignment="Left"
                      Data="{StaticResource Icons.Bookmark}"
                      IsVisible="{Binding IsRepository}"/>
                <Path Grid.Column="0" Classes="folder_icon"
                      Width="12" Height="12" Margin="0,2,8,0"
                      Fill="{DynamicResource Brush.FG1}"
                      HorizontalAlignment="Left"
                      IsVisible="{Binding !IsRepository}"/>

                <TextBlock Grid.Column="1" VerticalAlignment="Center" Text="{Binding Name}" FontFamily="{StaticResource JetBrainsMono}"/>
                <TextBlock Grid.Column="2"
                           Margin="8,0"
                           HorizontalAlignment="Right" VerticalAlignment="Center"
                           Foreground="{DynamicResource Brush.FG2}"
                           Text="{Binding Id}"
                           FontFamily="{StaticResource JetBrainsMono}"
                           IsVisible="{Binding IsRepository}"/>
              </Grid>
            </TreeDataTemplate>
          </TreeView.ItemTemplate>
        </TreeView>
      </Grid>
    </Grid>

    <TextBlock Grid.Row="2"
               Classes="italic"
               Margin="0,0,8,0"
               HorizontalAlignment="Center" VerticalAlignment="Center"
               FontSize="12"
               Text="{DynamicResource Text.Welcome.DragDropTip}"
               Foreground="{DynamicResource Brush.FG2}"/>
  </Grid>
</UserControl>