refactoring pid logic; addedd window state preservation; slight thread rework

src/solarfm/app.py

@@ -16,35 +16,39 @@ class AppLaunchException(Exception):
 
 
 
-class Application(IPCServer):
+class Application:
     """ docstring for Application. """
 
     def __init__(self, args, unknownargs):
         super(Application, self).__init__()
 
         if not settings_manager.is_trace_debug():
-            self.socket_realization_check()
-
-            if not self.is_ipc_alive:
-                for arg in unknownargs + [args.new_tab,]:
-                    if os.path.isdir(arg):
-                        message = f"FILE|{arg}"
-                        self.send_ipc_message(message)
-
-                raise AppLaunchException(f"{app_name} IPC Server Exists: Have sent path(s) to it and closing...")
+            self.load_ipc(args, unknownargs)
 
         self.setup_debug_hook()
         Window(args, unknownargs).main()
 
 
-    def socket_realization_check(self):
+    def load_ipc(self, args, unknownargs):
+        ipc_server = IPCServer()
+        self.ipc_realization_check(ipc_server)
+
+        if not ipc_server.is_ipc_alive:
+            for arg in unknownargs + [args.new_tab,]:
+                if os.path.isfile(arg):
+                    message = f"FILE|{arg}"
+                    ipc_server.send_ipc_message(message)
+
+            raise AppLaunchException(f"{app_name} IPC Server Exists: Have sent path(s) to it and closing...")
+
+    def ipc_realization_check(self, ipc_server):
         try:
-            self.create_ipc_listener()
+            ipc_server.create_ipc_listener()
         except Exception:
-            self.send_test_ipc_message()
+            ipc_server.send_test_ipc_message()
 
         try:
-            self.create_ipc_listener()
+            ipc_server.create_ipc_listener()
         except Exception as e:
             ...