ShrlAlgoToolkit/WPFDark/StandardControls/ScrollViewer.xaml

<ResourceDictionary
    x:Class="WPFDark.StandardControls.ScrollViewerEventHandler"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:standardControls="clr-namespace:WPFDark.StandardControls"
    xmlns:wpf="clr-namespace:WPFDark"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style TargetType="{x:Type Thumb}" x:Key="ScrollBarTrackThumbStyle">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Thumb}">
                    <Rectangle
                        Fill="{TemplateBinding Background}"
                        Height="Auto"
                        HorizontalAlignment="Center"
                        RadiusX="4.0"
                        RadiusY="4.0"
                        SnapsToDevicePixels="True"
                        VerticalAlignment="Stretch"
                        Width="8.0"
                        x:Name="ScrollBarThumb" />

                    <ControlTemplate.Triggers>
                        <Trigger Property="Tag" Value="Horizontal">
                            <Setter Property="Width" TargetName="ScrollBarThumb" Value="Auto" />
                            <Setter Property="Height" TargetName="ScrollBarThumb" Value="8.0" />
                            <Setter Property="HorizontalAlignment" TargetName="ScrollBarThumb" Value="Stretch" />
                            <Setter Property="VerticalAlignment" TargetName="ScrollBarThumb" Value="Center" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ScrollBar}" x:Key="ThumbOnlyScrollBarStyle">
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="Foreground" Value="#ABABAB" />
        <Setter Property="Background" Value="{x:Null}" />
        <Setter Property="MinWidth" Value="0.0" />
        <Setter Property="MinHeight" Value="0.0" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Border Background="{TemplateBinding Background}" x:Name="Root">
                        <Track
                            Focusable="False"
                            IsDirectionReversed="True"
                            x:Name="PART_Track">

                            <Track.Thumb>
                                <Thumb
                                    Background="{TemplateBinding Foreground}"
                                    Style="{StaticResource ScrollBarTrackThumbStyle}"
                                    x:Name="Thumb" />
                            </Track.Thumb>
                        </Track>
                    </Border>

                    <ControlTemplate.Triggers>
                        <Trigger Property="Orientation" Value="Horizontal">
                            <Setter Property="LayoutTransform" TargetName="Root">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="LayoutTransform" TargetName="PART_Track">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="Tag" TargetName="Thumb" Value="Horizontal" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

        <Style.Triggers>
            <Trigger Property="IsEnabled" Value="False">
                <Setter Property="Opacity" Value="0.1" />
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style TargetType="{x:Type ScrollBar}" x:Key="ThumbOnlyMouseOverScrollBarStyle">
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="Foreground" Value="#ABABAB" />
        <Setter Property="Background" Value="{x:Null}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Border Background="{TemplateBinding Background}" x:Name="Root">
                        <Track
                            Focusable="False"
                            IsDirectionReversed="True"
                            x:Name="PART_Track">

                            <Track.Thumb>
                                <Thumb
                                    Background="{TemplateBinding Foreground}"
                                    Style="{StaticResource ScrollBarTrackThumbStyle}"
                                    x:Name="Thumb" />
                            </Track.Thumb>
                        </Track>
                    </Border>

                    <ControlTemplate.Triggers>
                        <Trigger Property="Orientation" Value="Horizontal">
                            <Setter Property="LayoutTransform" TargetName="Root">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="LayoutTransform" TargetName="PART_Track">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="Tag" TargetName="Thumb" Value="Horizontal" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Opacity" Value="0.9" />
            </Trigger>
            <Trigger Property="IsMouseOver" Value="False">
                <Setter Property="Opacity" Value="0.4" />
            </Trigger>
            <Trigger Property="IsEnabled" Value="False">
                <Setter Property="Opacity" Value="0.1" />
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style TargetType="{x:Type ScrollBar}">
        <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
        <Setter Property="Foreground" Value="#ABABAB" />
        <Setter Property="Background" Value="{x:Null}" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Border Background="{TemplateBinding Background}" x:Name="Root">
                        <Track
                            Focusable="False"
                            IsDirectionReversed="True"
                            x:Name="PART_Track">

                            <Track.DecreaseRepeatButton>
                                <RepeatButton Background="Transparent" x:Name="PageDecButton" />
                            </Track.DecreaseRepeatButton>

                            <Track.Thumb>
                                <Thumb
                                    Background="{TemplateBinding Foreground}"
                                    Style="{StaticResource ScrollBarTrackThumbStyle}"
                                    x:Name="Thumb" />
                            </Track.Thumb>

                            <Track.IncreaseRepeatButton>
                                <RepeatButton Background="Transparent" x:Name="PageIncButton" />
                            </Track.IncreaseRepeatButton>
                        </Track>
                    </Border>

                    <ControlTemplate.Triggers>
                        <Trigger Property="Orientation" Value="Vertical">
                            <Setter Property="Command" TargetName="PageDecButton" Value="ScrollBar.PageUpCommand" />
                            <Setter Property="Command" TargetName="PageIncButton" Value="ScrollBar.PageDownCommand" />
                        </Trigger>

                        <Trigger Property="Orientation" Value="Horizontal">
                            <Setter Property="Command" TargetName="PageDecButton" Value="ScrollBar.PageLeftCommand" />
                            <Setter Property="Command" TargetName="PageIncButton" Value="ScrollBar.PageRightCommand" />

                            <Setter Property="LayoutTransform" TargetName="Root">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="LayoutTransform" TargetName="PART_Track">
                                <Setter.Value>
                                    <RotateTransform Angle="-90" />
                                </Setter.Value>
                            </Setter>

                            <Setter Property="Tag" TargetName="Thumb" Value="Horizontal" />
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>

        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Opacity" Value="0.9" />
            </Trigger>
            <Trigger Property="IsMouseOver" Value="False">
                <Setter Property="Opacity" Value="0.4" />
            </Trigger>
            <Trigger Property="IsEnabled" Value="False">
                <Setter Property="Opacity" Value="0.1" />
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style TargetType="{x:Type ScrollViewer}" x:Key="DefaultScrollViewerStyle">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid
                        Background="Transparent"
                        MouseLeave="OnMouseLeave"
                        PreviewMouseMove="OnPreviewMouseMove">
                        <ScrollContentPresenter CanContentScroll="{TemplateBinding CanContentScroll}" Margin="{TemplateBinding Padding}" />

                        <ScrollBar
                            HorizontalAlignment="Right"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.VerticalScrollBarOpacity)}"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                            Width="8.0" />

                        <ScrollBar
                            Height="8.0"
                            Maximum="{TemplateBinding ScrollableWidth}"
                            Name="PART_HorizontalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.HorizontalScrollBarOpacity)}"
                            Orientation="Horizontal"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding HorizontalOffset}"
                            VerticalAlignment="Bottom"
                            ViewportSize="{TemplateBinding ViewportWidth}"
                            Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ScrollViewer}" x:Key="VerticalScrollViewerStyle">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid
                        Background="Transparent"
                        MouseLeave="OnMouseLeave"
                        PreviewMouseMove="OnPreviewMouseMove">
                        <ScrollContentPresenter CanContentScroll="{TemplateBinding CanContentScroll}" Margin="{TemplateBinding Padding}" />

                        <ScrollBar
                            HorizontalAlignment="Right"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.VerticalScrollBarOpacity)}"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                            Width="8.0" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ScrollViewer}" x:Key="LeftScrollViewerStyle">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="standardControls:ScrollViewerAttachedProperties.IsLeftVerticalScrollBar" Value="True" />

        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid
                        Background="Transparent"
                        MouseLeave="OnMouseLeave"
                        PreviewMouseMove="OnPreviewMouseMove">
                        <ScrollContentPresenter CanContentScroll="{TemplateBinding CanContentScroll}" Margin="{TemplateBinding Padding}" />

                        <ScrollBar
                            Grid.Column="0"
                            Grid.Row="0"
                            HorizontalAlignment="Left"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.VerticalScrollBarOpacity)}"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                            Width="8.0" />

                        <ScrollBar
                            Height="8.0"
                            Maximum="{TemplateBinding ScrollableWidth}"
                            Name="PART_HorizontalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.HorizontalScrollBarOpacity)}"
                            Orientation="Horizontal"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding HorizontalOffset}"
                            VerticalAlignment="Bottom"
                            ViewportSize="{TemplateBinding ViewportWidth}"
                            Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="ScrollViewer" x:Key="GridViewScrollViewerStyle">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="ScrollViewer">
                    <Grid
                        Background="Transparent"
                        MouseLeave="OnMouseLeave"
                        PreviewMouseMove="OnPreviewMouseMove">
                        <DockPanel>
                            <ScrollViewer
                                DockPanel.Dock="Top"
                                Focusable="False"
                                HorizontalScrollBarVisibility="Hidden"
                                VerticalScrollBarVisibility="Hidden">
                                <!--  ReSharper disable Xaml.BindingWithContextNotResolved  -->
                                <GridViewHeaderRowPresenter
                                    AllowsColumnReorder="{Binding TemplatedParent.View.AllowsColumnReorder, RelativeSource={RelativeSource TemplatedParent}}"
                                    ColumnHeaderContainerStyle="{Binding TemplatedParent.View.ColumnHeaderContainerStyle, RelativeSource={RelativeSource TemplatedParent}}"
                                    ColumnHeaderContextMenu="{Binding TemplatedParent.View.ColumnHeaderContextMenu, RelativeSource={RelativeSource TemplatedParent}}"
                                    ColumnHeaderTemplate="{Binding TemplatedParent.View.ColumnHeaderTemplate, RelativeSource={RelativeSource TemplatedParent}}"
                                    ColumnHeaderTemplateSelector="{Binding TemplatedParent.View.ColumnHeaderTemplateSelector, RelativeSource={RelativeSource TemplatedParent}}"
                                    ColumnHeaderToolTip="{Binding TemplatedParent.View.ColumnHeaderToolTip, RelativeSource={RelativeSource TemplatedParent}}"
                                    Columns="{Binding TemplatedParent.View.Columns, RelativeSource={RelativeSource TemplatedParent}}"
                                    SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                                <!--  ReSharper restore Xaml.BindingWithContextNotResolved  -->
                            </ScrollViewer>

                            <ScrollContentPresenter
                                CanContentScroll="True"
                                CanHorizontallyScroll="False"
                                CanVerticallyScroll="False"
                                KeyboardNavigation.DirectionalNavigation="Local"
                                Margin="{TemplateBinding Padding}"
                                Name="PART_ScrollContentPresenter" />
                        </DockPanel>

                        <!--  24はヘッダーの高さ  -->
                        <ScrollBar
                            HorizontalAlignment="Right"
                            Margin="0,24,0,0"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.VerticalScrollBarOpacity)}"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                            Width="8.0" />

                        <ScrollBar
                            Height="8.0"
                            Maximum="{TemplateBinding ScrollableWidth}"
                            Name="PART_HorizontalScrollBar"
                            Opacity="{Binding RelativeSource={RelativeSource AncestorType={x:Type ScrollViewer}}, Mode=OneWay, Path=(standardControls:ScrollViewerAttachedProperties.HorizontalScrollBarOpacity)}"
                            Orientation="Horizontal"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding HorizontalOffset}"
                            VerticalAlignment="Bottom"
                            ViewportSize="{TemplateBinding ViewportWidth}"
                            Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ScrollViewer}" x:Key="FlatScrollViewerStyle">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="VerticalScrollBarVisibility" Value="Auto" />
        <Setter Property="HorizontalScrollBarVisibility" Value="Auto" />

        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid Background="{TemplateBinding Background}">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>

                        <Grid.RowDefinitions>
                            <RowDefinition Height="*" />
                            <RowDefinition Height="Auto" />
                        </Grid.RowDefinitions>

                        <ScrollContentPresenter CanContentScroll="{TemplateBinding CanContentScroll}" Margin="{TemplateBinding Padding}" />

                        <ScrollBar
                            Grid.Column="1"
                            Grid.Row="0"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" />

                        <ScrollBar
                            Grid.Column="0"
                            Grid.Row="1"
                            Maximum="{TemplateBinding ScrollableWidth}"
                            Name="PART_HorizontalScrollBar"
                            Orientation="Horizontal"
                            Style="{StaticResource ThumbOnlyScrollBarStyle}"
                            Value="{TemplateBinding HorizontalOffset}"
                            ViewportSize="{TemplateBinding ViewportWidth}"
                            Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="{x:Type ScrollViewer}" x:Key="BasicScrollViewerStyle">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="VerticalScrollBarVisibility" Value="Auto" />
        <Setter Property="HorizontalScrollBarVisibility" Value="Auto" />

        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid Background="{TemplateBinding Background}">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>

                        <Grid.RowDefinitions>
                            <RowDefinition Height="*" />
                            <RowDefinition Height="Auto" />
                        </Grid.RowDefinitions>

                        <ScrollContentPresenter
                            CanContentScroll="{TemplateBinding CanContentScroll}"
                            Grid.ColumnSpan="2"
                            Grid.RowSpan="2"
                            Margin="{TemplateBinding Padding}" />

                        <ScrollBar
                            Grid.Column="1"
                            Grid.Row="0"
                            Maximum="{TemplateBinding ScrollableHeight}"
                            Name="PART_VerticalScrollBar"
                            Style="{StaticResource ThumbOnlyMouseOverScrollBarStyle}"
                            Value="{TemplateBinding VerticalOffset}"
                            ViewportSize="{TemplateBinding ViewportHeight}"
                            Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" />

                        <ScrollBar
                            Grid.Column="0"
                            Grid.Row="1"
                            Maximum="{TemplateBinding ScrollableWidth}"
                            Name="PART_HorizontalScrollBar"
                            Orientation="Horizontal"
                            Style="{StaticResource ThumbOnlyMouseOverScrollBarStyle}"
                            Value="{TemplateBinding HorizontalOffset}"
                            ViewportSize="{TemplateBinding ViewportWidth}"
                            Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style BasedOn="{StaticResource DefaultScrollViewerStyle}" TargetType="{x:Type ScrollViewer}" />
</ResourceDictionary>