sourcegit/src/Views/Launcher.axaml

<v:ChromelessWindow 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:s="using:SourceGit"
                    xmlns:vm="using:SourceGit.ViewModels"
                    xmlns:m="using:SourceGit.Models"
                    xmlns:c="using:SourceGit.Converters"
                    xmlns:v="using:SourceGit.Views"
                    mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
                    x:Class="SourceGit.Views.Launcher"
                    x:DataType="vm:Launcher"
                    x:Name="me"
                    Icon="/App.ico"
                    Title="SourceGit"
                    MinWidth="1280" MinHeight="720"
                    Width="{Binding Source={x:Static vm:Preference.Instance}, Path=Layout.LauncherWidth, Mode=TwoWay}"
                    Height="{Binding Source={x:Static vm:Preference.Instance}, Path=Layout.LauncherHeight, Mode=TwoWay}"
                    WindowState="{Binding Source={x:Static vm:Preference.Instance}, Path=Layout.LauncherWindowState, Mode=TwoWay}"
                    WindowStartupLocation="CenterScreen"> 
  <Grid>
    <Grid.RowDefinitions>
      <RowDefinition Height="{Binding #me.TitleBarHeight}"/>
      <RowDefinition Height="*"/>
    </Grid.RowDefinitions>

    <!-- Custom TitleBar -->
    <Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto">
      <!-- Bottom border -->
      <Border Grid.Column="0" Grid.ColumnSpan="3"
              Background="{DynamicResource Brush.TitleBar}"
              BorderThickness="0,0,0,1" BorderBrush="{DynamicResource Brush.Border0}"
              DoubleTapped="OnTitleBarDoubleTapped"
              PointerPressed="BeginMoveWindow"
              PointerMoved="MoveWindow"
              PointerReleased="EndMoveWindow"/>

      <!-- Caption Buttons (macOS) -->
      <Border Grid.Column="0" VerticalAlignment="Stretch" Margin="2,0,8,3" IsVisible="{OnPlatform False, macOS=True}">
        <v:CaptionButtonsMacOS VerticalAlignment="Bottom"/>
      </Border>

      <!-- Menu -->
      <Button Grid.Column="0" Classes="icon_button" VerticalAlignment="Bottom" IsVisible="{OnPlatform True, macOS=False}">
        <Button.Margin>
          <OnPlatform Default="4,0,2,3" macOS="4,0,6,3"/>
        </Button.Margin>
        
        <Button.Flyout>
          <MenuFlyout Placement="BottomEdgeAlignedLeft" VerticalOffset="-8">
            <MenuItem Header="{DynamicResource Text.Preference}" Command="{x:Static s:App.OpenPreferenceCommand}" InputGesture="Ctrl+Shift+P">
              <MenuItem.Icon>
                <Path Width="14" Height="14" Data="{StaticResource Icons.Settings}"/>
              </MenuItem.Icon>
            </MenuItem>
            <MenuItem Header="{DynamicResource Text.Hotkeys}" Command="{x:Static s:App.OpenHotkeysCommand}">
              <MenuItem.Icon>
                <Path Width="14" Height="14" Data="{StaticResource Icons.Hotkeys}"/>
              </MenuItem.Icon>
            </MenuItem>
            <MenuItem Header="-"/>
            <MenuItem Header="{DynamicResource Text.SelfUpdate}" Command="{x:Static s:App.CheckForUpdateCommand}">
              <MenuItem.Icon>
                <Path Width="14" Height="14" Data="{StaticResource Icons.SoftwareUpdate}"/>
              </MenuItem.Icon>
            </MenuItem>
            <MenuItem Header="-"/>
            <MenuItem Header="{DynamicResource Text.About}" Command="{x:Static s:App.OpenAboutCommand}">
              <MenuItem.Icon>
                <Path Width="14" Height="14" Data="{StaticResource Icons.Info}"/>
              </MenuItem.Icon>
            </MenuItem>
          </MenuFlyout>
        </Button.Flyout>
        <Path Width="12" Height="12" Data="{StaticResource Icons.Menu}"/>
      </Button>

      <!-- Pages Tabs-->
      <Grid x:Name="launcherTabsContainer" Grid.Column="1" Height="30" ColumnDefinitions="Auto,*,Auto" VerticalAlignment="Bottom" SizeChanged="UpdateScrollIndicator">
        <RepeatButton x:Name="leftScrollIndicator" Grid.Column="0" Classes="icon_button" Width="18" Height="30" Click="ScrollTabsLeft">
          <Path Width="8" Height="14" Stretch="Fill" Data="{StaticResource Icons.TriangleLeft}"/>
        </RepeatButton>

        <ScrollViewer Grid.Column="1"
                      x:Name="launcherTabsScroller"
                      HorizontalAlignment="Left"
                      HorizontalScrollBarVisibility="Hidden"
                      VerticalScrollBarVisibility="Disabled"
                      PointerWheelChanged="ScrollTabs"
                      ScrollChanged="OnTabsScrollChanged">
          <StackPanel x:Name="launcherTabsBar" Orientation="Horizontal" SizeChanged="UpdateScrollIndicator">
            <ListBox Classes="launcher_page_tabbar"
                     ItemsSource="{Binding Pages}"
                     SelectionMode="AlwaysSelected"
                     SelectedItem="{Binding ActivePage, Mode=TwoWay}">
              <ListBox.ItemsPanel>
                <ItemsPanelTemplate>
                  <VirtualizingStackPanel Orientation="Horizontal" Height="30"/>
                </ItemsPanelTemplate>
              </ListBox.ItemsPanel>

              <ListBox.ItemTemplate>
                <DataTemplate DataType="{x:Type vm:LauncherPage}">
                  <Border Classes="launcher_pagetab"
                          Height="30"
                          BorderThickness="1,1,1,0"
                          CornerRadius="6,6,0,0"
                          PointerPressed="OnPointerPressedTab"
                          PointerMoved="OnPointerMovedOverTab"
                          PointerReleased="OnPointerReleasedTab"
                          Loaded="SetupDragAndDrop">
                    <Border.ContextMenu>
                      <ContextMenu>
                        <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.Close}"
                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseTab}"
                                  CommandParameter="{Binding}"
                                  InputGesture="{OnPlatform Ctrl+W, macOS=⌘+W}"/>
                        <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.CloseOther}"
                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseOtherTabs}"/>
                        <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.CloseRight}"
                                  Command="{Binding #me.((vm:Launcher)DataContext).CloseRightTabs}"/>
                        <MenuItem Header="-" IsVisible="{Binding Node.IsRepository}"/>
                        <MenuItem IsVisible="{Binding Node.IsRepository}">
                          <MenuItem.Header>
                            <Grid Height="20" ColumnDefinitions="Auto,*">
                              <TextBlock Grid.Column="0" Text="{DynamicResource Text.PageTabBar.Tab.Bookmark}"/>
                              <ComboBox Grid.Column="1"
                                        HorizontalAlignment="Right" VerticalAlignment="Center"
                                        BorderThickness=".5" Margin="8,0,0,0"
                                        ItemsSource="{x:Static m:Bookmarks.Supported}"
                                        SelectedIndex="{Binding Node.Bookmark, Mode=TwoWay}">
                                <ComboBox.Resources>
                                  <Thickness x:Key="ComboBoxPadding">12,2,0,2</Thickness>
                                  <Thickness x:Key="ComboBoxEditableTextPadding">11,2,32,2</Thickness>
                                  <x:Double x:Key="ComboBoxMinHeight">22</x:Double>
                                </ComboBox.Resources>
                                <ComboBox.ItemTemplate>
                                  <DataTemplate>
                                    <Border Height="20" VerticalAlignment="Center">
                                      <Path Width="12" Height="12"
                                            Fill="{Binding Converter={x:Static c:BookmarkConverters.ToBrush}}"
                                            StrokeThickness="{Binding Converter={x:Static c:BookmarkConverters.ToStrokeThickness}}"
                                            Stroke="{DynamicResource Brush.FG1}"
                                            HorizontalAlignment="Center" VerticalAlignment="Center"
                                            Data="{StaticResource Icons.Bookmark}"/>
                                    </Border>
                                  </DataTemplate>
                                </ComboBox.ItemTemplate>
                              </ComboBox>
                            </Grid>
                          </MenuItem.Header>
                        </MenuItem>
                        <MenuItem Header="-" IsVisible="{Binding Node.IsRepository}"/>
                        <MenuItem Header="{DynamicResource Text.PageTabBar.Tab.CopyPath}" Command="{Binding CopyPath}" IsVisible="{Binding Node.IsRepository}"/>
                      </ContextMenu>
                    </Border.ContextMenu>

                    <Grid Width="{Binding Source={x:Static vm:Preference.Instance}, Path=UseFixedTabWidth, Converter={x:Static c:BoolConverters.ToPageTabWidth}}" Height="30" ColumnDefinitions="Auto,*,Auto" VerticalAlignment="Center">
                      <Path Grid.Column="0"
                            Width="12" Height="12" Margin="12,0"
                            Fill="{Binding Node.Bookmark, Converter={x:Static c:BookmarkConverters.ToBrush}}"
                            StrokeThickness="{Binding Node.Bookmark, Converter={x:Static c:BookmarkConverters.ToStrokeThickness}}"
                            Stroke="{DynamicResource Brush.FG1}"
                            Data="{StaticResource Icons.Bookmark}"
                            IsVisible="{Binding Node.IsRepository}"
                            IsHitTestVisible="False"/>
                      <Path Grid.Column="0"
                            Width="12" Height="12" Margin="12,0"
                            Fill="{DynamicResource Brush.FG1}"
                            Data="{StaticResource Icons.Repositories}"
                            IsVisible="{Binding !Node.IsRepository}"
                            IsHitTestVisible="False"/>
                      <TextBlock Grid.Column="1"
                                 Classes="monospace"
                                 FontSize="12"
                                 HorizontalAlignment="Stretch" VerticalAlignment="Center"
                                 TextAlignment="Center"
                                 Text="{Binding Node.Name}"
                                 IsVisible="{Binding Node.IsRepository}"
                                 IsHitTestVisible="False"/>
                      <TextBlock Grid.Column="1"
                                 Classes="monospace"
                                 FontSize="12"
                                 HorizontalAlignment="Stretch" VerticalAlignment="Center"
                                 TextAlignment="Center"
                                 Text="{DynamicResource Text.PageTabBar.Welcome.Title}"
                                 IsVisible="{Binding !Node.IsRepository}"
                                 IsHitTestVisible="False"/>
                      <Button Grid.Column="2"
                              Classes="icon_button"
                              Width="16" Height="16" Margin="12,0"
                              Command="{Binding #me.((vm:Launcher)DataContext).CloseTab}"
                              CommandParameter="{Binding}">
                        <ToolTip.Tip>
                          <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                            <TextBlock Text="{DynamicResource Text.PageTabBar.Tab.Close}" VerticalAlignment="Center"/>
                            <TextBlock Margin="16,0,0,0" Text="{OnPlatform Ctrl+W, macOS=⌘+W}" Opacity=".6" FontSize="11" VerticalAlignment="Center"/>
                          </StackPanel>
                        </ToolTip.Tip>
                        <Path Width="8" Height="8" Data="{StaticResource Icons.Window.Close}"/>
                      </Button>
                      <Rectangle Grid.Column="2" 
                                 Width=".5" Height="20" 
                                 HorizontalAlignment="Right" VerticalAlignment="Center" 
                                 Fill="{DynamicResource Brush.FG2}"
                                 IsVisible="{Binding IsTabSplitterVisible}"/>
                    </Grid>
                  </Border>
                </DataTemplate>
              </ListBox.ItemTemplate>
            </ListBox>

            <Button Classes="icon_button"
                    Width="16" Height="16"
                    Margin="8,0"
                    Command="{Binding AddNewTab}">
              <ToolTip.Tip>
                <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                  <TextBlock Text="{DynamicResource Text.PageTabBar.New}" VerticalAlignment="Center"/>
                  <TextBlock Margin="16,0,0,0" Text="{OnPlatform Ctrl+T, macOS=⌘+T}" Opacity=".6" FontSize="11" VerticalAlignment="Center"/>
                </StackPanel>
              </ToolTip.Tip>
              
              <Path Width="12" Height="12" Data="{StaticResource Icons.Plus}"/>
            </Button>
          </StackPanel>
        </ScrollViewer>

        <RepeatButton x:Name="rightScrollIndicator" Grid.Column="2" Classes="icon_button" Width="18" Height="30" Click="ScrollTabsRight">
          <Path Width="8" Height="14" Stretch="Fill" Data="{StaticResource Icons.TriangleRight}"/>
        </RepeatButton>
      </Grid>

      <!-- Caption Buttons (Windows/Linux)-->
      <Border Grid.Column="2" Margin="32,0,0,0" IsVisible="{OnPlatform True, macOS=False}">
        <v:CaptionButtons Height="30" VerticalAlignment="Top"/>
      </Border>
    </Grid>

    <!-- Page body -->
    <ContentControl Grid.Row="1" Background="{DynamicResource Brush.ToolBar}" Content="{Binding ActivePage.Data}">
      <ContentControl.DataTemplates>
        <DataTemplate DataType="vm:Welcome">
          <v:Welcome/>
        </DataTemplate>

        <DataTemplate DataType="vm:Repository">
          <v:Repository/>
        </DataTemplate>
      </ContentControl.DataTemplates>
    </ContentControl>

    <!-- Popup container -->
    <Grid Grid.Row="1" Margin="0,36,0,0" IsVisible="{Binding ActivePage.Popup, Converter={x:Static ObjectConverters.IsNotNull}}" ClipToBounds="True">
      <Border Background="Transparent" PointerPressed="OnPopupCancelByClickMask"/>

      <Border Width="500" HorizontalAlignment="Center" VerticalAlignment="Top" Effect="drop-shadow(0 0 8 #8F000000)" CornerRadius="0,0,8,8" ClipToBounds="True">                
        <ContentControl Content="{Binding ActivePage.Popup}" Background="{DynamicResource Brush.Popup}">
          <ContentControl.DataTemplates>
            <DataTemplate DataType="vm:Popup">  
              <StackPanel Orientation="Vertical" Background="{DynamicResource Brush.Popup}">
                <!-- Popup Widget -->
                <ContentPresenter Margin="8,16,8,8"
                                  Content="{Binding View}"
                                  IsHitTestVisible="{Binding InProgress, Converter={x:Static BoolConverters.Not}}"/>

                <!-- Options -->
                <StackPanel Margin="8,4,8,8"
                            Height="32"
                            Orientation="Horizontal"
                            HorizontalAlignment="Right"
                            IsVisible="{Binding InProgress, Converter={x:Static BoolConverters.Not}}">
                  <Button Classes="flat primary"
                          Width="80"
                          Content="{DynamicResource Text.Sure}"
                          Click="OnPopupSure"
                          HotKey="Enter"/>
                  <Button Classes="flat"
                          Width="80"
                          Margin="8,0,0,0"
                          Content="{DynamicResource Text.Cancel}"
                          Click="OnPopupCancel"/>
                </StackPanel>

                <!-- Running -->
                <v:PopupRunningStatus Margin="12,8"
                                      Description="{Binding ProgressDescription}"
                                      IsVisible="{Binding InProgress}"/>
              </StackPanel>
            </DataTemplate>
          </ContentControl.DataTemplates>
        </ContentControl>
      </Border>
    </Grid>

    <!-- Notification container -->
    <Grid Grid.Row="1" Width="360" Margin="0,36,0,0" HorizontalAlignment="Right" VerticalAlignment="Top">
      <ScrollViewer HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
        <ItemsControl ItemsSource="{Binding ActivePage.Notifications}">
          <ItemsControl.ItemTemplate>
            <DataTemplate DataType="m:Notification">
              <Border Margin="10,6" HorizontalAlignment="Stretch" VerticalAlignment="Top" Effect="drop-shadow(0 0 12 #A0000000)">
                <Border Padding="8" CornerRadius="6" Background="{DynamicResource Brush.Popup}">
                  <Grid RowDefinitions="26,Auto,32">
                    <StackPanel Grid.Row="0" Margin="8,0,0,0" Orientation="Horizontal" IsVisible="{Binding IsError}">
                      <Path Width="14" Height="14" Data="{StaticResource Icons.Error}" Fill="Red"/>
                      <TextBlock Margin="8,0,0,0" FontWeight="Bold" FontSize="14" Text="{DynamicResource Text.Launcher.Error}"/>
                    </StackPanel>
                    <StackPanel Grid.Row="0" Margin="8,0,0,0" Orientation="Horizontal" IsVisible="{Binding !IsError}">
                      <Path Width="14" Height="14" Data="{StaticResource Icons.Info}" Fill="Green"/>
                      <TextBlock Margin="8,0,0,0" FontWeight="Bold" FontSize="14" Text="{DynamicResource Text.Launcher.Info}"/>
                    </StackPanel>

                    <TextBox Grid.Row="1"
                             Classes="no_background no_border"
                             IsReadOnly="True"
                             TextWrapping="Wrap"
                             ScrollViewer.VerticalScrollBarVisibility="Auto"
                             MaxHeight="100"
                             Margin="8" Padding="0"
                             VerticalContentAlignment="Top"
                             Text="{Binding Message}"/>

                    <StackPanel Grid.Row="2" Margin="0,4,0,0" Orientation="Horizontal" HorizontalAlignment="Right">
                      <Button Classes="flat"
                              Margin="0,0,8,0"
                              Command="{Binding CopyMessage}"
                              Content="{DynamicResource Text.CopyMessage}"
                              IsVisible="{Binding IsError}"/>
                      
                      <Button Classes="flat primary"
                              Margin="0,0"
                              Command="{Binding #me.((vm:Launcher)DataContext).ActivePage.DismissNotification}"
                              CommandParameter="{Binding}"
                              Content="{DynamicResource Text.Close}"/>
                    </StackPanel>
                  </Grid>
                </Border>
              </Border>
            </DataTemplate>
          </ItemsControl.ItemTemplate>
        </ItemsControl>
      </ScrollViewer>
    </Grid>
  </Grid>
</v:ChromelessWindow>