Fix launch game under Wine

Fo76ini/Profiles/GameInstance.cs

@@ -1,9 +1,11 @@
 using Fo76ini.Interface;
 using Fo76ini.Properties;
+using Fo76ini.Utilities;
 using System;
 using System.Diagnostics;
 using System.Drawing;
 using System.IO;
+using System.Threading;
 using System.Windows.Forms;
 using System.Xml.Linq;
 
@@ -179,7 +181,51 @@ public void LaunchGame(LaunchOption option)
  case LaunchOption.OpenURL:
  try
  {
- Process.Start(this.LauncherURL);
+ if (Utils.IsWine())
+ {
+ /*
+ * This is a bit of an insane workaround... Here be dragons!
+ * 
+ * In order to start the game through Steam on Linux, we first have to figure out the path to the steam executable ($ which steam).
+ * Then we can execute steam with the url as an argument ($ /usr/games/steam steam:https://run/1151340).
+ * 
+ * However, we are currently under Wine, so we will have to use a few tricks...
+ * First, we can run shell scripts under Wine, but can't access stdout... so we will route the output to a text file and read it afterwards.
+ * Also, we can directly start native programs using "START /UNIX", but we have to provide the full path to the executable.
+ */
+ Console.WriteLine("Wine detected.");
+
+ Console.WriteLine("Writing shell script \"get_steam_path.sh\":\n#!/bin/sh\nwhich steam > ./steam_path.txt");
+ File.WriteAllText("get_steam_path.sh", "#!/bin/sh\nwhich steam > ./steam_path.txt");
+
+ // First, run a shell script to get the steam path:
+ Console.WriteLine("Executing: get_steam_path.sh");
+ Process pr = new Process();
+ pr.StartInfo.FileName = "get_steam_path.sh";
+ pr.StartInfo.UseShellExecute = true;
+ pr.Start();
+
+ // Wait for the shell script to return...
+ Console.WriteLine("Waiting...");
+ Thread.Sleep(100);
+
+ // Now read the file
+ string steamPath = File.ReadAllText("steam_path.txt").Trim('\n', ' ').Trim();
+ Console.WriteLine("Got: " + steamPath);
+
+ // Now start steam using the path we got:
+ // start /unix /usr/games/steam steam:https://run/1151340
+ pr = new Process();
+ pr.StartInfo.FileName = "start";
+ pr.StartInfo.Arguments = "/unix " + steamPath + " " + this.LauncherURL;
+ pr.StartInfo.UseShellExecute = true;
+ Console.WriteLine("Executing: start /unix " + steamPath + " " + this.LauncherURL);
+ pr.Start();
+ }
+ else
+ {
+ Process.Start(this.LauncherURL);
+ }
  }
  catch (Exception ex)
  {