signal handling for controlled exit

gametest.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #coding=utf-8
 
-import pygame, sys, time, os, RPi.GPIO as GPIO
+import pygame, signal, sys, time, os, RPi.GPIO as GPIO
 from pygame.locals import *
 
 #GPIO
@@ -35,6 +35,10 @@ mainFontColor = redColor
 #fonts
 font = pygame.font.Font('freesansbold.ttf', 90)
 
+def signal_handler(sig, frame):
+        print('Programm exiting')
+        exit_application()
+
 def toggle_fullscreen():
         screen = pygame.display.get_surface()
         tmp = screen.convert()
@@ -79,12 +83,16 @@ def handle_events():
 
 def exit_application():
         pygame.quit()
+        GPIO.cleanup()
         sys.exit()
         return
 
 def shutdown_raspberry():
         os.system("sudo shutdown -h now")
         return
+        
+#signal handing for controlled exit via ctrl+c
+signal.signal(signal.SIGINT, signal_handler)
 
 
 pygame.mouse.set_visible(False) # hide mouse
@@ -94,6 +102,8 @@ screen = pygame.display.set_mode((screenSizeX, screenSizeY), pygame.FULLSCREEN)
 
 #screen = toggle_fullscreen()
 
+
+
 while True: # main loop
 #global label storage
         time_surface = 0