sourcegit/src/UI/TwoCommitsDiff.xaml

<UserControl x:Class="SourceGit.UI.TwoCommitsDiff"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:SourceGit.UI"
             xmlns:source="clr-namespace:SourceGit"
             xmlns:converters="clr-namespace:SourceGit.Converters"
             xmlns:helpers="clr-namespace:SourceGit.Helpers"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid Margin="4,0">
        <Grid.RowDefinitions>
            <RowDefinition Height="32.5"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <Label Grid.Row="0" x:Name="txtTitle" FontFamily="Consolas" FontWeight="Bold" Foreground="{StaticResource Brush.FG}" Opacity=".7" HorizontalAlignment="Center" VerticalAlignment="Center"/>

        <Grid Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="200" MinWidth="200"/>
                <ColumnDefinition Width="1"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>

            <Grid Grid.Column="0" Margin="2,0">
                <Grid.RowDefinitions>
                    <RowDefinition Height="24"/>
                    <RowDefinition Height="*"/>
                </Grid.RowDefinitions>

                <Grid.Resources>
                    <converters:BoolToCollapsed x:Key="BoolToCollapsed"/>
                    <converters:InverseBoolToCollapsed x:Key="InverseBoolToCollapsed"/>
                </Grid.Resources>

                <Grid Grid.Row="0" Margin="0,0,0,4">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="24"/>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="24"/>
                    </Grid.ColumnDefinitions>

                    <Border Grid.Column="0" Grid.ColumnSpan="2" BorderThickness="1" BorderBrush="{StaticResource Brush.Border2}" Background="{StaticResource Brush.BG3}"/>
                    <Path Grid.Column="0" Width="14" Height="14" Fill="{StaticResource Brush.FG2}" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.Search}"/>
                    <TextBox Grid.Column="1" x:Name="txtChangeFilter" BorderThickness="0" helpers:TextBoxHelper.Placeholder="Search File ..." TextChanged="SearchChangeFileTextChanged"/>
                    <ToggleButton
                            Grid.Column="2" 
                            x:Name="toggleSwitchMode"
                            Margin="4,0,0,0" 
                            ToolTip="SWITCH TO LIST/TREE VIEW"
                            Style="{StaticResource Style.ToggleButton.ListOrTree}" 
                            IsChecked="{Binding Source={x:Static source:App.Preference}, Path=UIUseListInChanges, Mode=TwoWay}"/>
                </Grid>

                <TreeView
                        Grid.Row="1" 
                        x:Name="changeTree" 
                        FontFamily="Consolas" 
                        Visibility="{Binding ElementName=toggleSwitchMode, Path=IsChecked, Converter={StaticResource InverseBoolToCollapsed}}"
                        Background="{StaticResource Brush.BG2}"
                        SelectedItemChanged="ChangeTreeItemSelected" 
                        PreviewMouseWheel="TreeMouseWheel">
                    <TreeView.Resources>
                        <converters:FileStatusToColor x:Key="StatusColorConverter"/>
                        <converters:FileStatusToIcon x:Key="StatusIconConverter"/>
                    </TreeView.Resources>
                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}" BasedOn="{StaticResource Style.TreeView.ItemContainerStyle}">
                            <Setter Property="IsExpanded" Value="{Binding IsNodeExpanded, Mode=TwoWay}"/>
                            <EventSetter Event="ContextMenuOpening" Handler="TreeContextMenuOpening"/>
                        </Style>
                    </TreeView.ItemContainerStyle>
                    <TreeView.ItemTemplate>
                        <HierarchicalDataTemplate ItemsSource="{Binding Children}">
                            <StackPanel Orientation="Horizontal" Height="24">
                                <Border x:Name="status" Width="14" Height="14" Visibility="Collapsed" Background="{Binding Change, Converter={StaticResource StatusColorConverter}}" CornerRadius="2" Margin="0,0,4,0">
                                    <TextBlock Text="{Binding Change, Converter={StaticResource StatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="10" RenderOptions.BitmapScalingMode="HighQuality"/>
                                </Border>
                                <Path x:Name="icon" Width="14" Style="{StaticResource Style.Icon}" Fill="Goldenrod" Data="{StaticResource Icon.Folder.Fill}"/>
                                <TextBlock Text="{Binding Name}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" Margin="4,0,0,0" FontSize="11"/>
                            </StackPanel>

                            <HierarchicalDataTemplate.Triggers>
                                <DataTrigger Binding="{Binding IsFile}" Value="True">
                                    <Setter TargetName="status" Property="Visibility" Value="Visible"/>
                                    <Setter TargetName="icon" Property="Visibility" Value="Collapsed"/>
                                </DataTrigger>
                                <MultiDataTrigger>
                                    <MultiDataTrigger.Conditions>
                                        <Condition Binding="{Binding IsFile}" Value="False"/>
                                        <Condition Binding="{Binding IsNodeExpanded}" Value="True"/>
                                    </MultiDataTrigger.Conditions>
                                    <Setter TargetName="icon" Property="Data" Value="{StaticResource Icon.Folder.Open}"/>
                                </MultiDataTrigger>
                            </HierarchicalDataTemplate.Triggers>
                        </HierarchicalDataTemplate>
                    </TreeView.ItemTemplate>
                </TreeView>

                <DataGrid
                        Grid.Row="1"
                        x:Name="changeList2"
                        Visibility="{Binding ElementName=toggleSwitchMode, Path=IsChecked, Converter={StaticResource BoolToCollapsed}}"
                        RowHeight="24"
                        SelectionChanged="ChangeListSelectionChanged"
                        SelectionMode="Single"
                        SelectionUnit="FullRow"
                        Background="{StaticResource Brush.BG2}">
                    <DataGrid.Resources>
                        <converters:FileStatusToColor x:Key="StatusColorConverter"/>
                        <converters:FileStatusToIcon x:Key="StatusIconConverter"/>

                        <Style x:Key="Style.DataGridText.VerticalCenter" TargetType="{x:Type TextBlock}">
                            <Setter Property="VerticalAlignment" Value="Center"/>
                        </Style>
                    </DataGrid.Resources>

                    <DataGrid.Columns>
                        <DataGridTemplateColumn Width="22">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <Border Width="14" Height="14" x:Name="status" Background="{Binding ., Converter={StaticResource StatusColorConverter}}" CornerRadius="2" Margin="2,0,4,0">
                                        <TextBlock Text="{Binding ., Converter={StaticResource StatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="8"/>
                                    </Border>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTextColumn Width="*" Binding="{Binding Path}" Foreground="{StaticResource Brush.FG}" FontFamily="Consolas" ElementStyle="{StaticResource Style.DataGridText.VerticalCenter}"/>
                    </DataGrid.Columns>

                    <DataGrid.RowStyle>
                        <Style TargetType="{x:Type DataGridRow}" BasedOn="{StaticResource Style.DataGridRow}">
                            <EventSetter Event="ContextMenuOpening" Handler="ChangeListContextMenuOpening"/>
                        </Style>
                    </DataGrid.RowStyle>
                </DataGrid>
            </Grid>

            <GridSplitter Grid.Column="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="Transparent"/>

            <local:DiffViewer Grid.Column="2" x:Name="diffViewer" Background="{StaticResource Brush.BG3}"/>
        </Grid>
    </Grid>
</UserControl>