Improves UI structure with a shared page shell and dynamic titles

Wraps the application's content area in a stylized border and introduces a centralized, dynamic page header to provide a more cohesive look.

- Adds `Tag` attributes to navigation list items to define each view's display title
- Implements event handlers to automatically update the header text based on user navigation
- Removes redundant embedded titles from individual content pages to streamline the layouts

FFUDevelopment/BuildFFUVM_UI.xaml

@@ -1,8 +1,6 @@
 <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:sys="clr-namespace:System;assembly=mscorlib" Title="FFU Builder UI"
-    FontSize="14" FontFamily="Segoe UI Variable, Segoe UI"
-    WindowState="Maximized">
+    xmlns:sys="clr-namespace:System;assembly=mscorlib" Title="FFU Builder UI" FontSize="14" FontFamily="Segoe UI Variable, Segoe UI" WindowState="Maximized">
 
     <Grid Margin="16">
         <Grid.RowDefinitions>
@@ -69,7 +67,7 @@
                             </Setter>
                         </Style>
                     </ListBox.ItemContainerStyle>
-                    <ListBoxItem x:Name="navSettings" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navSettings" Padding="12,8" Margin="4,0" Tag="Settings">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE713;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Settings" VerticalAlignment="Center"/>
@@ -115,55 +113,55 @@
                             </Setter>
                         </Style>
                     </ListBox.ItemContainerStyle>
-                    <ListBoxItem x:Name="navHome" Padding="12,8" Margin="4,0" IsSelected="True">
+                    <ListBoxItem x:Name="navHome" Padding="12,8" Margin="4,0" IsSelected="True" Tag="Home">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE80F;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Home" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navHyperV" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navHyperV" Padding="12,8" Margin="4,0" Tag="Hyper-V Settings">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE7F8;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Hyper-V Settings" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navWindows" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navWindows" Padding="12,8" Margin="4,0" Tag="Windows Settings">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE7F4;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Windows Settings" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navUpdates" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navUpdates" Padding="12,8" Margin="4,0" Tag="Updates">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE895;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Updates" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navApplications" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navApplications" Padding="12,8" Margin="4,0" Tag="Applications">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE71D;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Applications" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navOffice" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navOffice" Padding="12,8" Margin="4,0" Tag="M365 Apps/Office">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xED28;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="M365 Apps/Office" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navDrivers" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navDrivers" Padding="12,8" Margin="4,0" Tag="Drivers">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE964;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Drivers" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navBuild" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navBuild" Padding="12,8" Margin="4,0" Tag="Build">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE943;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Build" VerticalAlignment="Center"/>
                         </StackPanel>
                     </ListBoxItem>
-                    <ListBoxItem x:Name="navMonitor" Padding="12,8" Margin="4,0">
+                    <ListBoxItem x:Name="navMonitor" Padding="12,8" Margin="4,0" Tag="Monitor">
                         <StackPanel Orientation="Horizontal">
                             <TextBlock Text="&#xE7FC;" FontFamily="Segoe Fluent Icons,Segoe MDL2 Assets" FontSize="16" VerticalAlignment="Center" Margin="0,0,12,0"/>
                             <TextBlock Text="Monitor" VerticalAlignment="Center"/>
@@ -173,7 +171,20 @@
             </DockPanel>
 
             <!-- Content Area -->
-            <Grid Grid.Column="1" Margin="4,0,0,0">
+            <Grid Grid.Column="1" Margin="12,0,0,0">
+                <!-- Shared page shell -->
+                <Border Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}" BorderThickness="1" CornerRadius="12">
+                    <Grid>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="Auto"/>
+                            <RowDefinition Height="*"/>
+                        </Grid.RowDefinitions>
+
+                        <!-- Shared page title -->
+                        <TextBlock x:Name="txtPageTitle" Grid.Row="0" Margin="16,16,16,12" FontSize="24" FontWeight="SemiBold" Text="Home"/>
+
+                        <!-- Page host -->
+                        <Grid Grid.Row="1">
                             <!-- PAGE: Home -->
                             <ScrollViewer x:Name="pageHome" VerticalScrollBarVisibility="Auto">
                                 <Grid Margin="16,0,16,16">
@@ -716,8 +727,8 @@
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="*"/>
                                     </Grid.ColumnDefinitions>
-                        <!-- Row 0: Header -->
-                        <TextBlock Grid.Row="0" Text="FFU Build Settings" FontSize="20" FontWeight="SemiBold" Margin="0,0,0,8"/>
+                                    <!-- Hidden internal header so the shared page shell owns the page title -->
+                                    <TextBlock Grid.Row="0" Text="FFU Build Settings" FontSize="20" FontWeight="SemiBold" Margin="0,0,0,8" Visibility="Collapsed"/>
                                     <!-- Row 1: FFU Development Path -->
                                     <StackPanel Grid.Row="1" Margin="0,0,0,24">
                                         <TextBlock Text="FFU Development Path" Margin="0,0,0,4" ToolTip="Path to the FFU development folder."/>
@@ -883,8 +894,8 @@
                                         <RowDefinition Height="Auto"/>
                                     </Grid.RowDefinitions>
 
-                            <!-- Settings Header -->
-                            <TextBlock Text="Settings" FontSize="20" FontWeight="SemiBold" Grid.Row="0" Margin="0,0,0,16"/>
+                                    <!-- Hidden internal header so the shared page shell owns the page title -->
+                                    <TextBlock Text="Settings" FontSize="20" FontWeight="SemiBold" Grid.Row="0" Margin="0,0,0,16" Visibility="Collapsed"/>
 
                                     <!-- Appearance Section -->
                                     <StackPanel Grid.Row="1" Margin="0,0,0,24">
@@ -954,6 +965,9 @@
                             </ScrollViewer>
                         </Grid>
                     </Grid>
+                </Border>
+            </Grid>
+        </Grid>
 
         <!-- Progress Bar -->
         <ProgressBar x:Name="progressBar" Height="20" Margin="0,8,0,0" Grid.Row="1" Visibility="Collapsed"/>

FFUDevelopment/FFUUI.Core/FFUUI.Core.Handlers.psm1

@@ -117,6 +117,14 @@ function Register-EventHandlers {
                 if ($selectedIndex -lt $localState.Controls.navigationPages.Count) {
                     $localState.Controls.navigationPages[$selectedIndex].Visibility = 'Visible'
                 }
+            
+                # Update the shared page title to match the selected navigation item
+                if ($null -ne $localState.Controls.txtPageTitle) {
+                    $selectedNavigationItem = $eventSource.SelectedItem
+                    if ($null -ne $selectedNavigationItem -and -not [string]::IsNullOrWhiteSpace([string]$selectedNavigationItem.Tag)) {
+                        $localState.Controls.txtPageTitle.Text = [string]$selectedNavigationItem.Tag
+                    }
+                }
             })
     }
 
@@ -145,6 +153,17 @@ function Register-EventHandlers {
                 if ($null -ne $localState.Controls.pageSettings) {
                     $localState.Controls.pageSettings.Visibility = 'Visible'
                 }
+            
+                # Update the shared page title to match the selected navigation item
+                if ($null -ne $localState.Controls.txtPageTitle) {
+                    $selectedNavigationItem = $eventSource.SelectedItem
+                    if ($null -ne $selectedNavigationItem -and -not [string]::IsNullOrWhiteSpace([string]$selectedNavigationItem.Tag)) {
+                        $localState.Controls.txtPageTitle.Text = [string]$selectedNavigationItem.Tag
+                    }
+                    else {
+                        $localState.Controls.txtPageTitle.Text = 'Settings'
+                    }
+                }
             })
     }
 

FFUDevelopment/FFUUI.Core/FFUUI.Core.Initialize.psm1

@@ -280,6 +280,9 @@ function Initialize-UIControls {
     # Settings page
     $State.Controls.cmbThemeMode = $window.FindName('cmbThemeMode')
 
+    # Shared page shell
+    $State.Controls.txtPageTitle = $window.FindName('txtPageTitle')
+
     # Navigation controls
     $State.Controls.lstNavigation = $window.FindName('lstNavigation')
     $State.Controls.lstNavSettings = $window.FindName('lstNavSettings')
@@ -473,9 +476,20 @@ function Initialize-UIDefaults {
         }
     }
 
-    # Set default navigation selection to Home and show the Home page
+    # Set default navigation selection to Home and initialize the shared page title
     if ($null -ne $State.Controls.lstNavigation) {
         $State.Controls.lstNavigation.SelectedIndex = 0
+
+        # Keep the shell header aligned with the selected navigation item on first render
+        if ($null -ne $State.Controls.txtPageTitle) {
+            $selectedNavigationItem = $State.Controls.lstNavigation.SelectedItem
+            if ($null -ne $selectedNavigationItem -and -not [string]::IsNullOrWhiteSpace([string]$selectedNavigationItem.Tag)) {
+                $State.Controls.txtPageTitle.Text = [string]$selectedNavigationItem.Tag
+            }
+            else {
+                $State.Controls.txtPageTitle.Text = 'Home'
+            }
+        }
     }
 
     # Set initial state for Office panel visibility