Make app functional

Password Generator/MainWindow.xaml

@@ -13,18 +13,18 @@
         <MicaBackdrop />
     </Window.SystemBackdrop>
 
-    <Grid>
+    <Grid Margin="16,0,16,0">
         <StackPanel Spacing="12" HorizontalAlignment="Center" Margin="0,36,0,0">
             <TextBlock Text="Password Generator" FontSize="24" FontWeight="Bold" TextAlignment="Center" />
             <TextBlock Text="Select a length, or use the slider for a custom value." TextAlignment="Center" />
-            <TextBlock Text="Password Length: 0" TextAlignment="Center" Margin="0,12,0,0" />
+            <TextBlock x:Name="LengthText" Text="Password Length: 8" TextAlignment="Center" Margin="0,12,0,0" />
-            <Slider x:Name="LengthSlider" Minimum="1" Maximum="500" Value="8" />
+            <Slider x:Name="LengthSlider" Minimum="1" Maximum="500" Value="8" ValueChanged="LengthSlider_ValueChanged" />
             <StackPanel Spacing="8" HorizontalAlignment="Center" Orientation="Horizontal">
-                <Button Content="8" />
+                <Button x:Name="PresetLength8Button" Content="8" Click="PresetLength8Button_Click"/>
-                <Button Content="16" />
+                <Button x:Name="PresetLength16Button" Content="16" Click="PresetLength16Button_Click"/>
-                <Button Content="32" />
+                <Button x:Name="PresetLength32Button" Content="32" Click="PresetLength32Button_Click"/>
-                <Button Content="64" />
+                <Button x:Name="PresetLength64Button" Content="64" Click="PresetLength64Button_Click"/>
-                <Button Content="128" />
+                <Button x:Name="PresetLength128Button" Content="128" Click="PresetLength128Button_Click"/>
             </StackPanel>
             <TextBlock Text="Characters to use" TextAlignment="Center" Margin="0,12,0,0" />
             <Grid HorizontalAlignment="Center" ColumnSpacing="8" RowSpacing="8">
@@ -38,15 +38,15 @@
                     <ColumnDefinition/>
                 </Grid.ColumnDefinitions>
 
-                <CheckBox Grid.Row="0" Grid.Column="0" Content="Uppercase" IsChecked="True" />
+                <CheckBox x:Name="UppercaseCheck" Grid.Row="0" Grid.Column="0" Content="Uppercase" IsChecked="True" Click="RegenerateButton_Click" />
-                <CheckBox Grid.Row="0" Grid.Column="1" Content="Lowercase" IsChecked="True" />
+                <CheckBox x:Name="LowercaseCheck" Grid.Row="0" Grid.Column="1" Content="Lowercase" IsChecked="True" Click="RegenerateButton_Click" />
-                <CheckBox Grid.Row="1" Grid.Column="0" Content="Numbers" IsChecked="True" />
+                <CheckBox x:Name="NumbersCheck" Grid.Row="1" Grid.Column="0" Content="Numbers" IsChecked="True" Click="RegenerateButton_Click" />
-                <CheckBox Grid.Row="1" Grid.Column="1" Content="Symbols" IsChecked="True" />
+                <CheckBox x:Name="SymbolsCheck" Grid.Row="1" Grid.Column="1" Content="Symbols" IsChecked="True" Click="RegenerateButton_Click" />
             </Grid>
-            <TextBox Text="" TextAlignment="Center" TextWrapping="Wrap" IsReadOnly="True" />
+            <TextBox x:Name="PasswordOutput" Text="" TextAlignment="Center" TextWrapping="Wrap" IsReadOnly="True" MaxHeight="136" ScrollViewer.VerticalScrollBarVisibility="Auto" />
             <StackPanel Spacing="8" HorizontalAlignment="Center" Orientation="Horizontal">
-                <Button Content="Copy" />
+                <Button x:Name="CopyButton" Content="Copy" Click="CopyButton_Click" />
-                <Button Content="Regenerate" />
+                <Button x:Name="RegenerateButton" Content="Regenerate" Click="RegenerateButton_Click" />
             </StackPanel>
         </StackPanel>
     </Grid>

Password Generator/MainWindow.xaml.cs

@@ -1,7 +1,9 @@
 using Microsoft.UI;
-using Microsoft.UI.Xaml;
 using Microsoft.UI.Windowing;
+using Microsoft.UI.Xaml;
 using System;
+using System.Text;
+using Windows.ApplicationModel.DataTransfer;
 using WinRT.Interop;
 
 // To learn more about WinUI, the WinUI project structure,
@@ -14,9 +16,17 @@ namespace Password_Generator
     /// </summary>
     public sealed partial class MainWindow : Window
     {
+        const string charsUpper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        const string charsLower = "abcdefghijklmnopqrstuvwxyz";
+        const string charsNumber = "0123456789";
+        const string charsSymbols = "!@#$%^&*";
+        private bool _loaded = false;
+
         public MainWindow()
         {
             InitializeComponent();
+            _loaded = true;
+            GeneratePassword();
 
             IntPtr hWnd = WindowNative.GetWindowHandle(this);
             WindowId windowId = Win32Interop.GetWindowIdFromWindow(hWnd);
@@ -28,5 +38,51 @@ namespace Password_Generator
                 Height = 600
             });
         }
+
+        public void GeneratePassword()
+        {
+            string chars =
+                ((UppercaseCheck.IsChecked ?? false) ? charsUpper : "") +
+                ((LowercaseCheck.IsChecked ?? false) ? charsLower : "") +
+                ((NumbersCheck.IsChecked ?? false) ? charsNumber : "") +
+                ((SymbolsCheck.IsChecked ?? false) ? charsSymbols : "");
+
+            if (chars == "") { PasswordOutput.Text = "";  return; }
+
+            StringBuilder password = new();
+            Random random = new();
+
+            for (int i = 0; i < LengthSlider.Value; i++)
+            {
+                password.Append(chars[random.Next(chars.Length)]);
+            }
+
+            PasswordOutput.Text = password.ToString();
+        }
+
+        private void LengthSlider_ValueChanged(object sender, Microsoft.UI.Xaml.Controls.Primitives.RangeBaseValueChangedEventArgs e)
+        {
+            if (!_loaded) return;
+
+            LengthText.Text = $"Password Length: {e.NewValue}";
+            GeneratePassword();
+        }
+
+        private void CopyButton_Click(object sender, RoutedEventArgs e)
+        {
+            DataPackage dataPackage = new()
+            {
+                RequestedOperation = DataPackageOperation.Copy
+            };
+            dataPackage.SetText(PasswordOutput.Text);
+            Clipboard.SetContent(dataPackage);
+        }
+
+        private void RegenerateButton_Click(object sender, RoutedEventArgs e) => GeneratePassword();
+        private void PresetLength8Button_Click(object sender, RoutedEventArgs e) => LengthSlider.Value = 8;
+        private void PresetLength16Button_Click(object sender, RoutedEventArgs e) => LengthSlider.Value = 16;
+        private void PresetLength32Button_Click(object sender, RoutedEventArgs e) => LengthSlider.Value = 32;
+        private void PresetLength64Button_Click(object sender, RoutedEventArgs e) => LengthSlider.Value = 64;
+        private void PresetLength128Button_Click(object sender, RoutedEventArgs e) => LengthSlider.Value = 128;
     }
 }