From e8584c1453bec6c57182329a644b3285c8cadd9d Mon Sep 17 00:00:00 2001
From: Meik <meik.drechsler@consulting4it.de>
Date: Mon, 9 Feb 2026 20:43:47 +0100
Subject: [PATCH] kategorie fix highlight current value

---
 .../HierarchicalSelectionControl.xaml.cs      | 92 ++++++++++++++++++
 .../Pages/SettingsPage/SettingsPageView.xaml  | 95 ++++++++++++-------
 2 files changed, 151 insertions(+), 36 deletions(-)

diff --git a/FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml.cs b/FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml.cs
index 8a84761..b79ab7f 100644
--- a/FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml.cs
+++ b/FasdDesktopUi/Basics/UserControls/HierarchicalSelectionControl.xaml.cs
@@ -115,6 +115,7 @@ namespace FasdDesktopUi.Basics.UserControls
             searchTextBox?.Focus();
             searchTextBox?.SelectAll();
             suppressTreeSelectionChanged = false;
+            SyncTreeSelectionWithSelectedItem(bringIntoView: true);
             LogEntry($"[CategoryPicker] DropDownOpened. Selected={SelectedItem?.FullPath ?? "<null>"}");
             DropDownOpened?.Invoke(this, e);
         }
@@ -203,6 +204,7 @@ namespace FasdDesktopUi.Basics.UserControls
                 }
 
                 TryExpandToSelectedItem();
+                SyncTreeSelectionWithSelectedItem(bringIntoView: false);
                 return;
             }
 
@@ -220,6 +222,9 @@ namespace FasdDesktopUi.Basics.UserControls
                 clone.SetExpandedRecursive(true);
                 visibleItems.Add(clone);
             }
+            
+            // If the selected item is part of current results, keep it visually selected.
+            SyncTreeSelectionWithSelectedItem(bringIntoView: false);
         }
 
         private void TryExpandToSelectedItem()
@@ -238,6 +243,93 @@ namespace FasdDesktopUi.Basics.UserControls
             }
         }
 
+        private void SyncTreeSelectionWithSelectedItem(bool bringIntoView)
+        {
+            if (SelectedItem == null || string.IsNullOrWhiteSpace(SelectedItem.Id))
+                return;
+
+            EnsureTemplateParts();
+            if (treeViewControl == null)
+                return;
+
+            // Wait for popup/template layout to finish so item containers are generated.
+            Dispatcher.BeginInvoke(new Action(() =>
+            {
+                var target = FindVisibleItemById(VisibleItems, SelectedItem.Id);
+                if (target == null)
+                    return;
+
+                var ancestor = target.Parent;
+                while (ancestor != null)
+                {
+                    ancestor.IsExpanded = true;
+                    ancestor = ancestor.Parent;
+                }
+
+                treeViewControl.UpdateLayout();
+                var targetContainer = GetTreeViewItemContainer(treeViewControl, target);
+                if (targetContainer == null)
+                    return;
+
+                suppressTreeSelectionChanged = true;
+                try
+                {
+                    targetContainer.IsSelected = true;
+                    if (bringIntoView)
+                        targetContainer.BringIntoView();
+                }
+                finally
+                {
+                    suppressTreeSelectionChanged = false;
+                }
+            }), DispatcherPriority.Loaded);
+        }
+
+        private static HierarchicalSelectionItem FindVisibleItemById(IEnumerable<HierarchicalSelectionItem> items, string id)
+        {
+            if (items == null || string.IsNullOrWhiteSpace(id))
+                return null;
+
+            foreach (var item in items)
+            {
+                if (item == null)
+                    continue;
+
+                if (string.Equals(item.Id, id, StringComparison.OrdinalIgnoreCase))
+                    return item;
+
+                var childMatch = FindVisibleItemById(item.Children, id);
+                if (childMatch != null)
+                    return childMatch;
+            }
+
+            return null;
+        }
+
+        private static TreeViewItem GetTreeViewItemContainer(ItemsControl root, object targetItem)
+        {
+            if (root == null || targetItem == null)
+                return null;
+
+            var directContainer = root.ItemContainerGenerator.ContainerFromItem(targetItem) as TreeViewItem;
+            if (directContainer != null)
+                return directContainer;
+
+            foreach (var child in root.Items)
+            {
+                var childContainer = root.ItemContainerGenerator.ContainerFromItem(child) as TreeViewItem;
+                if (childContainer == null)
+                    continue;
+
+                childContainer.UpdateLayout();
+                var result = GetTreeViewItemContainer(childContainer, targetItem);
+                if (result != null)
+                    return result;
+            }
+
+            return null;
+        }
+
         private void EnsureTemplateParts()
         {
             if (treeViewControl == null)
diff --git a/FasdDesktopUi/Pages/SettingsPage/SettingsPageView.xaml b/FasdDesktopUi/Pages/SettingsPage/SettingsPageView.xaml
index b07b8d8..ec22226 100644
--- a/FasdDesktopUi/Pages/SettingsPage/SettingsPageView.xaml
+++ b/FasdDesktopUi/Pages/SettingsPage/SettingsPageView.xaml
@@ -1,29 +1,30 @@
-<settingspagebase:SettingsPageBase
-        xmlns:settingspagebase="clr-namespace:FasdDesktopUi.Pages.SettingsPage"
-        x:Class="FasdDesktopUi.Pages.SettingsPage.SettingsPageView"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        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:local="clr-namespace:FasdDesktopUi.Pages.SettingsPage"
-        xmlns:ico="clr-namespace:FasdDesktopUi.Basics.UserControls.AdaptableIcon;assembly=F4SD-AdaptableIcon"
-        xmlns:vc="clr-namespace:FasdDesktopUi.Basics.Converter"
-        xmlns:sys="clr-namespace:System;assembly=mscorlib"
-        mc:Ignorable="d"
-        Title="SettingsPageView"
-        ResizeMode="NoResize"
-        WindowStyle="None"
-        AllowsTransparency="True"
-        Background="Transparent"
-        MinHeight="100"
-        MinWidth="400"
-        ShowInTaskbar="False"
-        Topmost="True"
-        SizeToContent="WidthAndHeight"
-        WindowStartupLocation="CenterScreen"
-        Initialized="Window_Initialized"
-        x:Name="SettingsWindow"
-        KeyDown="SettingsWindow_KeyDown" Closed="SettingsWindow_Closed" IsVisibleChanged="SettingsWindow_IsVisibleChanged">
+<settingspagebase:SettingsPageBase xmlns:settingspagebase="clr-namespace:FasdDesktopUi.Pages.SettingsPage"
+                                   x:Class="FasdDesktopUi.Pages.SettingsPage.SettingsPageView"
+                                   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                                   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:local="clr-namespace:FasdDesktopUi.Pages.SettingsPage"
+                                   xmlns:ico="clr-namespace:FasdDesktopUi.Basics.UserControls.AdaptableIcon;assembly=F4SD-AdaptableIcon"
+                                   xmlns:vc="clr-namespace:FasdDesktopUi.Basics.Converter"
+                                   xmlns:sys="clr-namespace:System;assembly=mscorlib"
+                                   mc:Ignorable="d"
+                                   Title="SettingsPageView"
+                                   ResizeMode="NoResize"
+                                   WindowStyle="None"
+                                   AllowsTransparency="True"
+                                   Background="Transparent"
+                                   MinHeight="100"
+                                   MinWidth="400"
+                                   ShowInTaskbar="False"
+                                   Topmost="True"
+                                   SizeToContent="WidthAndHeight"
+                                   WindowStartupLocation="CenterScreen"
+                                   Initialized="Window_Initialized"
+                                   x:Name="SettingsWindow"
+                                   KeyDown="SettingsWindow_KeyDown"
+                                   Closed="SettingsWindow_Closed"
+                                   IsVisibleChanged="SettingsWindow_IsVisibleChanged">
 
     <settingspagebase:SettingsPageBase.Resources>
         <vc:LanguageDefinitionsConverter x:Key="LanguageConverter" />
@@ -203,25 +204,39 @@
                                                SelectedCountryCode="GB" />
                         </StackPanel>
 
-                        <StackPanel x:Name="ShouldSkipSlimViewLabel" Orientation="Horizontal">
+                        <StackPanel x:Name="ShouldSkipSlimViewLabel"
+                                    Orientation="Horizontal">
                             <TextBlock Text="{Binding Converter={StaticResource LanguageConverter}, ConverterParameter=Menu.ShouldSkipSlimView}" />
-                            <ico:AdaptableIcon x:Name="ShouldSkipSlimViewPolicy" SelectedInternIcon="lock_closed" Margin="-25,-5,0,0" IconWidth="23" IconHeight="23" Visibility="Collapsed"/>
+                            <ico:AdaptableIcon x:Name="ShouldSkipSlimViewPolicy"
+                                               SelectedInternIcon="lock_closed"
+                                               PrimaryIconColor="{DynamicResource Color.Menu.Icon}"
+                                               Margin="-25,-5,0,0"
+                                               IconWidth="23"
+                                               IconHeight="23"
+                                               Visibility="Collapsed" />
                         </StackPanel>
 
                         <CheckBox x:Name="ShouldSkipSlimViewCheckBox"
                                   Style="{DynamicResource ToggleSwitch}"
                                   IsChecked="{Binding ElementName=SettingsWindow, Path=ShouldSkipSlimView}"
                                   HorizontalAlignment="Left"
-                                  Margin="0,3,0,10"
-                                  >
+                                  Margin="0,3,0,10">
                         </CheckBox>
 
-                        <StackPanel x:Name="PositionOfSmallViewsLabel" Orientation="Horizontal">
+                        <StackPanel x:Name="PositionOfSmallViewsLabel"
+                                    Orientation="Horizontal">
                             <TextBlock Text="{Binding Converter={StaticResource LanguageConverter}, ConverterParameter=Menu.PositionOfSmallViews}" />
-                            <ico:AdaptableIcon x:Name="PositionOfSmallViewsPolicy" SelectedInternIcon="lock_closed" Margin="-25,-5,0,0" IconWidth="23" IconHeight="23" Visibility="Collapsed"/>
+                            <ico:AdaptableIcon x:Name="PositionOfSmallViewsPolicy"
+                                               SelectedInternIcon="lock_closed"
+                                               PrimaryIconColor="{DynamicResource Color.Menu.Icon}"
+                                               Margin="-25,-5,0,0"
+                                               IconWidth="23"
+                                               IconHeight="23"
+                                               Visibility="Collapsed" />
                         </StackPanel>
 
-                        <Grid x:Name="PositionOfSmallViewsInput"  Grid.IsSharedSizeScope="True"
+                        <Grid x:Name="PositionOfSmallViewsInput"
+                              Grid.IsSharedSizeScope="True"
                               HorizontalAlignment="Left">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="Auto"
@@ -269,12 +284,20 @@
 
                         </Grid>
 
-                        <StackPanel x:Name="PositionOfFavouriteBarLabel" Orientation="Horizontal">
+                        <StackPanel x:Name="PositionOfFavouriteBarLabel"
+                                    Orientation="Horizontal">
                             <TextBlock Text="{Binding Converter={StaticResource LanguageConverter}, ConverterParameter=Menu.PositionOfFavouriteBar}" />
-                            <ico:AdaptableIcon x:Name="PositionOfFavouriteBarPolicy" SelectedInternIcon="lock_closed" Margin="-25,-5,0,0" IconWidth="23" IconHeight="23" Visibility="Collapsed"/>
+                            <ico:AdaptableIcon x:Name="PositionOfFavouriteBarPolicy"
+                                               SelectedInternIcon="lock_closed"
+                                               PrimaryIconColor="{DynamicResource Color.Menu.Icon}"
+                                               Margin="-25,-5,0,0"
+                                               IconWidth="23"
+                                               IconHeight="23"
+                                               Visibility="Collapsed" />
                         </StackPanel>
 
-                        <Grid x:Name="PositionOfFavouriteBarInput" Grid.IsSharedSizeScope="True"
+                        <Grid x:Name="PositionOfFavouriteBarInput"
+                              Grid.IsSharedSizeScope="True"
                               HorizontalAlignment="Left">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="Auto"