From 82008e82cd30e09aa923b000287122a58a248f7d Mon Sep 17 00:00:00 2001
From: Sprinter31 <alfret008@web.de>
Date: Sun, 8 Mar 2026 18:07:57 +0100
Subject: [PATCH] add: backround theme selection

---
 ControlPad/DataHandler.cs                     |  1 +
 ControlPad/Settings.cs                        | 14 +++++++
 .../UI Elements/SettingsUserControl.xaml      | 32 ++++++++++++++++
 .../UI Elements/SettingsUserControl.xaml.cs   | 38 ++++++++++++++++++-
 ControlPad/Windows/MainWindow.xaml            |  5 +--
 5 files changed, 86 insertions(+), 4 deletions(-)

diff --git a/ControlPad/DataHandler.cs b/ControlPad/DataHandler.cs
index b9e07f7..d81a848 100644
--- a/ControlPad/DataHandler.cs
+++ b/ControlPad/DataHandler.cs
@@ -211,6 +211,7 @@ public static void LoadPreset(Preset preset, SettingsUserControl settingsUserCon
             Settings.Load();
             settingsUserControl.SetControls();
             SettingsUserControl.ChangeAppTheme(Settings.SelectedThemeIndex);
+            settingsUserControl.ChangeAppBackground(Settings.SelectedBackgroundIndex);
         }
     }
 }
diff --git a/ControlPad/Settings.cs b/ControlPad/Settings.cs
index 4d91cf4..0f5db58 100644
--- a/ControlPad/Settings.cs
+++ b/ControlPad/Settings.cs
@@ -16,6 +16,7 @@ public static class Settings
         private static bool _minimizeToSystemTray = true;
         private static double _translationExponent = 1d;
         private static int _selectedThemeIndex = 0;
+        private static int _selectedBackgroundIndex = 3;
         private static int _sliderDeadZone = 4;
 
         static Settings()
@@ -73,6 +74,16 @@ public static int SelectedThemeIndex
             }
         }
 
+        public static int SelectedBackgroundIndex
+        {
+            get => _selectedBackgroundIndex;
+            set
+            {
+                _selectedBackgroundIndex = value;
+                Save();
+            }
+        }
+
         public static int SliderDeadZone
         {
             get => _sliderDeadZone;
@@ -101,6 +112,7 @@ private class Data
             public bool MinimizeToSystemTray { get; set; } = true;
             public double TranslationExponent { get; set; } = 1d;
             public int SelectedThemeIndex { get; set; } = 0;
+            public int SelectedBackgroundIndex { get; set; } = 3;
             public int SliderDeadZone { get; set; } = 4;
         }
 
@@ -121,6 +133,7 @@ public static void Load()
                 _startMinimized = data.StartMinimized;
                 _minimizeToSystemTray = data.MinimizeToSystemTray;               
                 _selectedThemeIndex = data.SelectedThemeIndex;
+                _selectedBackgroundIndex = data.SelectedBackgroundIndex;
                 _sliderDeadZone = data.SliderDeadZone;
                 _translationExponent = data.TranslationExponent;
             }
@@ -141,6 +154,7 @@ private static void Save()
                     StartMinimized = _startMinimized,
                     MinimizeToSystemTray = _minimizeToSystemTray,                    
                     SelectedThemeIndex = _selectedThemeIndex,
+                    SelectedBackgroundIndex = _selectedBackgroundIndex,
                     SliderDeadZone = _sliderDeadZone,
                     TranslationExponent = _translationExponent,
                 };
diff --git a/ControlPad/UI Elements/SettingsUserControl.xaml b/ControlPad/UI Elements/SettingsUserControl.xaml
index de3e986..157614d 100644
--- a/ControlPad/UI Elements/SettingsUserControl.xaml	
+++ b/ControlPad/UI Elements/SettingsUserControl.xaml	
@@ -20,6 +20,7 @@
                     <RowDefinition Height="*"/>
                     <RowDefinition Height="*"/>
                     <RowDefinition Height="*"/>
+                    <RowDefinition Height="*"/>
                 </Grid.RowDefinitions>
 
 
@@ -156,12 +157,43 @@
                     </ComboBox>
                 </Grid>
 
+                <!-- App Background -->
                 <Grid Margin="0,8,0,0" Grid.Row="6">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition/>
                         <ColumnDefinition Width="Auto"/>
                     </Grid.ColumnDefinitions>
 
+                    <StackPanel Orientation="Vertical" Margin="0,0,16,0">
+                        <Label Content="App _background"
+                           Padding="0"
+                           Target="{Binding ElementName=ThemeComboBox}"/>
+                        <Label Content="Choose how the app background looks.&#x0a;"
+                           Padding="0"
+                           Foreground="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
+                    </StackPanel>
+
+                    <ComboBox x:Name="BackgroundComboBox"
+                              Grid.Column="1"
+                              MinWidth="180"
+                              SelectedIndex="3"
+                              VerticalAlignment="Center" SelectionChanged="BackgroundComboBox_SelectionChanged" 
+                              >
+                        <ComboBoxItem Content="None"/>
+                        <ComboBoxItem Content="Acrylic"/>
+                        <ComboBoxItem Content="Mica"/>
+                        <ComboBoxItem Content="Tabbed"/>
+                        <ComboBoxItem Content="Auto"/>
+                    </ComboBox>
+                </Grid>
+
+                <!-- Presets -->
+                <Grid Margin="0,8,0,0" Grid.Row="7">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition/>
+                        <ColumnDefinition Width="Auto"/>
+                    </Grid.ColumnDefinitions>
+
                     <StackPanel Orientation="Vertical" Margin="0,0,16,0">
                         <Label Content="_Presets"
                             Padding="0"
diff --git a/ControlPad/UI Elements/SettingsUserControl.xaml.cs b/ControlPad/UI Elements/SettingsUserControl.xaml.cs
index c5c400f..271a822 100644
--- a/ControlPad/UI Elements/SettingsUserControl.xaml.cs	
+++ b/ControlPad/UI Elements/SettingsUserControl.xaml.cs	
@@ -12,15 +12,19 @@
 using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
+using Wpf.Ui.Controls;
 
 namespace ControlPad
 {
     public partial class SettingsUserControl : UserControl
     {
-        private bool _isInitialized = false;
+        private readonly bool _isInitialized = false;
+        private readonly MainWindow _mainWindow;
+
         public SettingsUserControl(MainWindow mainWindow)
         {
             InitializeComponent();
+            _mainWindow = mainWindow;
             _isInitialized = true;
             SetControls();
         }
@@ -67,6 +71,15 @@ private void ThemeComboBox_SelectionChanged(object sender, SelectionChangedEvent
             Settings.SelectedThemeIndex = ThemeComboBox.SelectedIndex;
         }
 
+        private void BackgroundComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (!_isInitialized)
+                return;
+
+            ChangeAppBackground(BackgroundComboBox.SelectedIndex);
+            Settings.SelectedBackgroundIndex = BackgroundComboBox.SelectedIndex;
+        }
+
         private void nb_TranslationExponent_ValueChanged(object sender, Wpf.Ui.Controls.NumberBoxValueChangedEventArgs e)
         {
             if (!_isInitialized)
@@ -94,12 +107,35 @@ public static void ChangeAppTheme(int index)
             }
         }
 
+        public void ChangeAppBackground(int index)
+        {
+            switch (index)
+            {
+                case 0:
+                    _mainWindow.WindowBackdropType = WindowBackdropType.None;
+                    break;
+                case 1:
+                    _mainWindow.WindowBackdropType = WindowBackdropType.Acrylic;
+                    break;
+                case 2:
+                    _mainWindow.WindowBackdropType = WindowBackdropType.Mica;
+                    break;
+                case 3:
+                    _mainWindow.WindowBackdropType = WindowBackdropType.Tabbed;
+                    break;
+                case 4:
+                    _mainWindow.WindowBackdropType = WindowBackdropType.Auto;
+                    break;
+            }
+        }
+
         public void SetControls()
         {
             cb_StartWithWindows.IsChecked = Settings.StartWithWindows;
             cb_StartMinimized.IsChecked = Settings.StartMinimized;
             cb_MinimizeToTray.IsChecked = Settings.MinimizeToSystemTray;
             ThemeComboBox.SelectedIndex = Settings.SelectedThemeIndex;
+            BackgroundComboBox.SelectedIndex = Settings.SelectedBackgroundIndex;
             nb_TranslationExponent.Value = Settings.TranslationExponent;
         }
 
diff --git a/ControlPad/Windows/MainWindow.xaml b/ControlPad/Windows/MainWindow.xaml
index 20943ca..6657b34 100644
--- a/ControlPad/Windows/MainWindow.xaml
+++ b/ControlPad/Windows/MainWindow.xaml
@@ -13,10 +13,9 @@
         Height="600"
         Closing="mainWindow_Closing"
         Closed="mainWindow_Closed"
-        WindowBackdropType="Mica"
+        WindowBackdropType="Tabbed"
         ExtendsContentIntoTitleBar="True"
-        ResizeMode="NoResize"   
-        >
+        ResizeMode="NoResize">
 
     <DockPanel>
         <tray:NotifyIcon