Very crude initial support for starting app from launcher

lib/application_helper.rb

@@ -0,0 +1,34 @@
+module W3DHubLauncher
+  class ApplicationHelper
+    def self.wine_command(app)
+      # FIXME: account for the cursed whitespace and wrap in quotes
+      format("%s ", MemCache[:settings]&.preferences&.wine_command || "wine")
+    end
+    def self.wine_prefix(app)
+      # TODO: fallback from app specific prefix to launcher prefix to global prefix
+      # format("%s ", app&.wine_prefix_path || MemCache[:settings]&.preferences&.wine_prefix_path || "")
+
+      ""
+    end
+
+    def self.run(app, *args)
+      exe_path = app.id == "ecw" ? format("%s/game500.exe", app.installation_path) : format("%s/game.exe", app.installation_path)
+
+      env = {}
+      unless wine_prefix(app).to_s.empty?
+        env["WINEPREFIX"] = wine_prefix(app).to_s
+      end
+      env["DXVK_HUD"] = "full"
+
+      pid = Process.spawn(
+        env,
+        "#{wine_command(app)}#{exe_path} -launcher #{args.join(' ')}"
+      )
+      Process.detach(pid)
+    end
+
+    def self.join_server(app, server, password: nil, token: nil)
+
+    end
+  end
+end