Updatred structure andf exec script

src/__init__.py

@@ -0,0 +1,38 @@
+# Python imports
+import inspect
+
+from setproctitle import setproctitle
+
+# Gtk imports
+import gi, faulthandler, signal
+gi.require_version('Gtk', '3.0')
+
+from gi.repository import Gtk as gtk
+from gi.repository import Gdk as gdk
+from gi.repository import GLib
+
+# Application imports
+from utils import Settings, CrossClassSignals
+from signal_classes import MainWindow, DrawingArea, MainMenuPopup
+
+
+class Main:
+    def __init__(self, args):
+        settings = Settings()
+        builder  = settings.returnBuilder()
+
+        # Gets the methods from the classes and sets to handler.
+        # Then, builder connects to any signals it needs.
+        utilsClass = CrossClassSignals(settings)
+        classes  = [MainWindow(settings, utilsClass),
+                    DrawingArea(settings, utilsClass),
+                    MainMenuPopup(settings, utilsClass)]
+
+        handlers = {}
+        for c in classes:
+            methods = inspect.getmembers(c, predicate=inspect.ismethod)
+            handlers.update(methods)
+
+        builder.connect_signals(handlers)
+        window = settings.createWindow()
+        window.show()