try tweaking selectableTextBlock?
MODIFY
WalletWasabi.Fluent/Styles/TextBox.axaml
WalletWasabi.Fluent/Styles/TextBox.axaml
<Setter Property="MinHeight" Value="0" />
<Setter Property="MinWidth" Value="0" />
<Setter Property="CaretBrush" Value="Transparent" />
- <Setter Property="TextWrapping" Value="Wrap" />
+ <Setter Property="TextWrapping" Value="WrapWithOverflow" />
+ <Setter Property="AcceptsReturn" Value="True"></Setter>
<Setter Property="ContextMenu">
<ContextMenu>
<MenuItem Header="Copy" Command="{Binding $parent[TextBox].Copy}" IsEnabled="{Binding $parent[TextBox].CanCopy}" InputGesture="{x:Static TextBox.CopyGesture}" />
<ControlTemplate>
<ScrollViewer HorizontalScrollBarVisibility="{TemplateBinding (ScrollViewer.HorizontalScrollBarVisibility)}"
VerticalScrollBarVisibility="{TemplateBinding (ScrollViewer.VerticalScrollBarVisibility)}">
- <Panel>
<TextPresenter Name="PART_TextPresenter"
Text="{TemplateBinding Text, Mode=TwoWay}"
CaretIndex="{TemplateBinding CaretIndex}"
CaretBrush="{TemplateBinding CaretBrush}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
- </Panel>
</ScrollViewer>
</ControlTemplate>
</Setter>
<Style Selector="TextBlock.monoSpaced, TextBox.monoSpaced">
<Setter Property="TextBlock.FontFamily" Value="{StaticResource MonospacedFont}" />
- <Setter Property="TextBlock.FontSize" Value="15" />
</Style>
<Style Selector="TextBox.wrap /template/ TextPresenter#PART_TextPresenter">

try tweaking selectableTextBlock?