Implement theme switcher and fix some bugs

Author: Stone-Red-Code

src/InvLock/DataContexts/MainWindowDataContext.cs

@@ -1,9 +1,8 @@
-using System.ComponentModel;
-using System.Reflection;
+using System.Reflection;
 
 namespace InvLock.DataContexts;
 
-internal class MainWindowDataContext : INotifyPropertyChanged
+internal class MainWindowDataContext
 {
 #if DEBUG
     public string Title => $"{App.AppName} - Dev {AppVersion}";

src/InvLock/MainWindow.xaml

@@ -76,7 +76,7 @@
                             </ui:HyperlinkButton>
                         </Grid>
                     </ui:CardControl.Header>
-                    <ComboBox Grid.Column="1" MinWidth="200" SelectedIndex="0">
+                    <ComboBox Grid.Column="1" MinWidth="200" SelectedIndex="0" SelectedValue="{Binding Settings.Theme}" SelectedValuePath="Content">
                         <ComboBoxItem Content="Windows default" />
                         <ComboBoxItem Content="Light" />
                         <ComboBoxItem Content="Dark" />
@@ -129,7 +129,26 @@
                                     <ColumnDefinition Width="Auto" />
                                 </Grid.ColumnDefinitions>
                                 <TextBlock Grid.Column="0" Text="Report an issue or request a feature" />
-                                <ui:SymbolIcon Grid.Column="1" Symbol="Link24" />
+                                <StackPanel Grid.Column="1" Orientation="Horizontal">
+                                    <ui:SymbolIcon Margin="0 0 6 0" Symbol="Link24" />
+                                    <TextBlock Foreground="{ui:ThemeResource TextFillColorSecondaryBrush}" Text="https://github.com/Stone-Red-Code/InvLock/issues"/>
+                                </StackPanel>
+                            </Grid>
+                        </ui:Anchor>
+
+                        <Separator />
+
+                        <ui:Anchor Margin="0" Padding="16" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" Background="Transparent" CornerRadius="0" BorderThickness="0" NavigateUri="https://github.com/Stone-Red-Code/InvLock">
+                            <Grid>
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="*" />
+                                    <ColumnDefinition Width="Auto" />
+                                </Grid.ColumnDefinitions>
+                                <TextBlock Grid.Column="0" Text="GitHub" />
+                                <StackPanel Grid.Column="1" Orientation="Horizontal">
+                                    <ui:SymbolIcon Margin="0 0 6 0" Symbol="Link24" />
+                                    <TextBlock Foreground="{ui:ThemeResource TextFillColorSecondaryBrush}" Text="https://github.com/Stone-Red-Code/InvLock"/>
+                                </StackPanel>
                             </Grid>
                         </ui:Anchor>
 
@@ -140,13 +159,9 @@
                                 <ColumnDefinition Width="*" />
                                 <ColumnDefinition Width="Auto" />
                             </Grid.ColumnDefinitions>
-                            <TextBlock Grid.Column="0" Text="Clone repository" />
-                            <TextBlock Grid.Column="1" Foreground="{ui:ThemeResource TextFillColorSecondaryBrush}" Text="git clone https://github.com/Stone-Red-Code/InvLock" />
+                            <TextBlock Grid.Column="0" Text="Version" />
+                            <TextBlock Grid.Column="1" Foreground="{ui:ThemeResource TextFillColorSecondaryBrush}" Text="{Binding AppVersion}"/>
                         </Grid>
-
-                        <Separator />
-
-                        <TextBlock Margin="16" Text="{Binding AppVersion, StringFormat='Version {0}'}" />
                     </StackPanel>
                 </ui:CardExpander>
             </StackPanel>

src/InvLock/Settings.cs

@@ -3,6 +3,8 @@
 using System.Runtime.CompilerServices;
 using System.Text.Json;
 
+using Wpf.Ui.Appearance;
+
 namespace InvLock;
 
 public class Settings : INotifyPropertyChanged
@@ -12,6 +14,7 @@ public class Settings : INotifyPropertyChanged
     private static readonly string settingsPath = Path.Combine(App.ApplicationDataPath, "settings.json");
     private bool hideWindows = false;
     private string lockText = "Lock Screen Active";
+    private string theme = "Windows default";
 
     private string unlockText = "Lock Screen Inactive";
 
@@ -45,6 +48,30 @@ public string UnlockText
         }
     }
 
+    public string Theme
+    {
+        get => theme;
+        set
+        {
+            theme = value;
+
+            if (value == "Windows default")
+            {
+                ApplicationThemeManager.ApplySystemTheme();
+            }
+            else if (value == "Light")
+            {
+                ApplicationThemeManager.Apply(ApplicationTheme.Light);
+            }
+            else if (value == "Dark")
+            {
+                ApplicationThemeManager.Apply(ApplicationTheme.Dark);
+            }
+
+            OnPropertyChanged();
+        }
+    }
+
     public static Settings Load()
     {
         if (File.Exists(settingsPath))