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ComboBox fixes: clickable center + display the option name, not the record

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Two issues with the language picker after the dark restyling:

1. Click on the center of the ComboBox was a no-op — only the arrow
   triggered the dropdown. The previous template had a separate
   ToggleButton in column 1 covering only the arrow region. New
   template wraps the entire body in a single ToggleButton (with its
   own template carrying the border + arrow), and the ContentPresenter
   for the selected text floats on top with IsHitTestVisible="False"
   so clicks pass through to the toggle.

2. Selected item showed "LanguageOption { Code = auto, Name = ... }"
   instead of just the name. C# record types stringify with property
   names by default. Override LanguageOption.ToString() to return Name
   so the SelectionBox falls back to a clean label even though
   DisplayMemberPath="Name" is set on the dropdown items.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
j.foucher
2026-05-02 13:44:00 +02:00
parent 5d0284f1db
commit b9ce591d22
2 changed files with 49 additions and 32 deletions
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46
src/PSLauncher.App/Resources/Theme.xaml
View File

@@ -243,7 +243,19 @@
<Setter.Value>
<ControlTemplate TargetType="ComboBox">
<Grid>
<Border x:Name="Border"
<!-- ToggleButton couvre TOUT le combo : clic au centre ouvre le dropdown,
pas seulement clic sur la flèche. Le ContentPresenter par-dessus
est en IsHitTestVisible=False pour ne pas voler le clic. -->
<ToggleButton x:Name="ToggleBtn"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Cursor="Hand"
Focusable="False"
IsChecked="{Binding IsDropDownOpen, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}">
<ToggleButton.Template>
<ControlTemplate TargetType="ToggleButton">
<Border x:Name="Bd"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
@@ -253,19 +265,27 @@
<ColumnDefinition Width="*" />
<ColumnDefinition Width="28" />
</Grid.ColumnDefinitions>
<ContentPresenter Grid.Column="0"
<Path Grid.Column="1"
HorizontalAlignment="Center" VerticalAlignment="Center"
Data="M 0,0 L 8,0 L 4,5 Z"
Fill="{StaticResource Brush.Text.Secondary}" />
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="Bd" Property="BorderBrush" Value="{StaticResource Brush.Accent}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</ToggleButton.Template>
</ToggleButton>
<ContentPresenter IsHitTestVisible="False"
Content="{TemplateBinding SelectionBoxItem}"
ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
ContentStringFormat="{TemplateBinding SelectionBoxItemStringFormat}"
Margin="{TemplateBinding Padding}"
VerticalAlignment="Center"
HorizontalAlignment="Stretch"
HorizontalAlignment="Left" VerticalAlignment="Center"
TextElement.Foreground="{TemplateBinding Foreground}" />
<ToggleButton Grid.Column="1"
Style="{StaticResource ComboBoxToggleButton}"
IsChecked="{Binding IsDropDownOpen, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}" />
</Grid>
</Border>
<Popup x:Name="PART_Popup"
Placement="Bottom"
IsOpen="{TemplateBinding IsDropDownOpen}"
@@ -284,14 +304,6 @@
</Border>
</Popup>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource Brush.Accent}" />
</Trigger>
<Trigger Property="IsKeyboardFocusWithin" Value="True">
<Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource Brush.Accent}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>

7
src/PSLauncher.App/ViewModels/SettingsViewModel.cs
View File

@@ -13,7 +13,12 @@ using PSLauncher.Models;
namespace PSLauncher.App.ViewModels;
public sealed record LanguageOption(string Code, string Name);
public sealed record LanguageOption(string Code, string Name)
{
// Override pour que la SelectionBox d'un ComboBox affiche le libellé clair
// (sinon WPF affiche la forme record "LanguageOption { Code = ..., Name = ... }").
public override string ToString() => Name;
}
public sealed partial class SettingsViewModel : ObservableObject
{