Merge pull request #31 from kdmukai/exit_clear_screen

Clear screen on exit

src/seedsigner/controller.py

@@ -47,7 +47,11 @@ class Controller:
     def start(self) -> None:
         if self.DEBUG:
             # Let Exceptions halt execution
-            self.show_main_menu()
+            try:
+                self.show_main_menu()
+            finally:
+                # Clear the screen when exiting
+                self.menu_view.display_blank_screen()
 
         else:
             # Handle Unexpected crashes by restarting up to 3 times

src/seedsigner/views/view.py

@@ -192,3 +192,8 @@ class View:
         tw, th = View.draw.textsize(line4, font=View.IMPACT20)
         View.draw.text(((240-tw)/2, 160), line4, fill="ORANGE", font=View.IMPACT20)
         View.DispShowImage()
+
+
+    def display_blank_screen(self):
+        View.draw.rectangle((0, 0, View.canvas_width, View.canvas_height), outline=0, fill=0)
+        View.DispShowImage()