From 815d2cdc7f608f74522383a2127d1b66126bfd62 Mon Sep 17 00:00:00 2001
From: Bryan Biedenkapp <gatekeep@gmail.com>
Date: Sat, 22 Mar 2025 22:31:55 -0400
Subject: [PATCH] add command line argument support (specifically for
 --userprofile= so the directory where UserProfile.yaml can be overridden by
 the user); expand the Audio device list with the window;

---
 dvmconsole/App.xaml                       |  1 +
 dvmconsole/App.xaml.cs                    | 60 ++++++++++++++++++++++-
 dvmconsole/AudioSettingsWindow.xaml       |  2 +-
 dvmconsole/Properties/launchSettings.json |  8 +++
 dvmconsole/SettingsManager.cs             | 17 +++++--
 5 files changed, 82 insertions(+), 6 deletions(-)
 create mode 100644 dvmconsole/Properties/launchSettings.json

diff --git a/dvmconsole/App.xaml b/dvmconsole/App.xaml
index c1064e9..5671c61 100644
--- a/dvmconsole/App.xaml
+++ b/dvmconsole/App.xaml
@@ -1,6 +1,7 @@
 <Application x:Class="dvmconsole.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             Startup="Application_Startup"
              StartupUri="MainWindow.xaml">
     <Application.Resources>
         <!-- Default Button Style -->
diff --git a/dvmconsole/App.xaml.cs b/dvmconsole/App.xaml.cs
index abb4dc9..a108df3 100644
--- a/dvmconsole/App.xaml.cs
+++ b/dvmconsole/App.xaml.cs
@@ -12,17 +12,22 @@
 *
 */
 
+using fnecore.Utility;
+using NAudio.Wave;
 using System.IO;
 using System.Reflection;
+using System.Text;
 using System.Windows;
 
 namespace dvmconsole
 {
     /// <summary>
-    /// 
+    /// Encapsulates a Windows Presentation Foundation application.
     /// </summary>
     public partial class App : Application
     {
+        public static string USER_PROFILE_PATH_OVERRIDE = string.Empty;
+
         /*
         ** Methods
         */
@@ -44,5 +49,58 @@ namespace dvmconsole
                 return;
             }
         }
+
+        /// <summary>
+        /// Internal helper to prints the program usage.
+        /// </summary>
+        private static void Usage(OptionSet p)
+        {
+            string messageBoxText = "[-h | --help][--userprofile <path for UserProfile.yaml>]\r\nOptions:\r\n";
+
+            using (MemoryStream ms = new MemoryStream())
+            {
+                using (TextWriter writer = new StreamWriter(ms))
+                    p.WriteOptionDescriptions(writer);
+
+                messageBoxText += Encoding.UTF8.GetString(ms.ToArray());
+            }
+
+            MessageBox.Show(messageBoxText, "Digital Voice Modem - Desktop Dispatch Console",
+                MessageBoxButton.OK, MessageBoxImage.Information);
+
+            Application.Current.Shutdown();
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void Application_Startup(object sender, StartupEventArgs e)
+        {
+            bool showHelp = false;
+            string configFile = string.Empty;
+
+            // command line parameters
+            OptionSet options = new OptionSet()
+            {
+                { "h|help", "show this message and exit", v => showHelp = v != null },
+                { "userprofile=", "sets the path to the UserProfile.yaml", v => USER_PROFILE_PATH_OVERRIDE = v },
+            };
+
+            // attempt to parse the commandline
+            try
+            {
+                options.Parse(e.Args);
+            }
+            catch (OptionException)
+            {
+                /* ignore */
+            }
+
+            // show help?
+            if (showHelp)
+                Usage(options);
+        }
     } // public partial class App : Application
 } // namespace dvmconsole
diff --git a/dvmconsole/AudioSettingsWindow.xaml b/dvmconsole/AudioSettingsWindow.xaml
index 90f93be..2aeec3e 100644
--- a/dvmconsole/AudioSettingsWindow.xaml
+++ b/dvmconsole/AudioSettingsWindow.xaml
@@ -15,7 +15,7 @@
         <ComboBox x:Name="InputDeviceComboBox" Width="350" Margin="0,5,0,15" Grid.Row="1"/>
 
         <TextBlock Text="Per-Channel Output Devices" FontWeight="Bold" Grid.Row="2" Margin="0,0,0,5"/>
-        <ScrollViewer Grid.Row="2" Height="200">
+        <ScrollViewer Grid.Row="2" Margin="0,30,0,30">
             <StackPanel x:Name="ChannelOutputStackPanel"/>
         </ScrollViewer>
 
diff --git a/dvmconsole/Properties/launchSettings.json b/dvmconsole/Properties/launchSettings.json
new file mode 100644
index 0000000..8582f22
--- /dev/null
+++ b/dvmconsole/Properties/launchSettings.json
@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "dvmconsole": {
+      "commandName": "Project",
+      "commandLineArgs": "--userprofile=."
+    }
+  }
+}
\ No newline at end of file
diff --git a/dvmconsole/SettingsManager.cs b/dvmconsole/SettingsManager.cs
index 9910e4a..6726f13 100644
--- a/dvmconsole/SettingsManager.cs
+++ b/dvmconsole/SettingsManager.cs
@@ -31,9 +31,9 @@ namespace dvmconsole
             Environment.SpecialFolder.ApplicationData);
 
         public static readonly string RootAppDataPath = "DVMProject" + Path.DirectorySeparatorChar + "dvmconsole";
-        public static readonly string UserAppDataPath = UserAppData + Path.DirectorySeparatorChar + RootAppDataPath;
+        public static string UserAppDataPath = UserAppData + Path.DirectorySeparatorChar + RootAppDataPath;
 
-        private static readonly string SettingsFilePath = UserAppDataPath + Path.DirectorySeparatorChar + "UserSettings.json";
+        private static string SettingsFilePath = UserAppDataPath + Path.DirectorySeparatorChar + "UserSettings.json";
 
         /*
         ** Properties
@@ -139,8 +139,17 @@ namespace dvmconsole
         /// </summary>
         public bool LoadSettings()
         {
-            if (!Directory.Exists(UserAppDataPath))
-                Directory.CreateDirectory(UserAppDataPath);
+            // was the user profile path being overridden?
+            if (App.USER_PROFILE_PATH_OVERRIDE != string.Empty)
+            {
+                UserAppDataPath = App.USER_PROFILE_PATH_OVERRIDE;
+                SettingsFilePath = UserAppDataPath + Path.DirectorySeparatorChar + "UserSettings.json";
+            }
+            else
+            {
+                if (!Directory.Exists(UserAppDataPath))
+                    Directory.CreateDirectory(UserAppDataPath);
+            }
 
             if (!File.Exists(SettingsFilePath))
                 return false;