A bit of cleanup. Pygame and multithreading is a real pain in the ass...

gui.py

@@ -141,6 +141,7 @@ class GUI_PyGame:
 
         # Clear screen
         self.clear()
+        self.apply()
 
     def clear(self, color=(0,0,0)):
         self.screen.fill(color)
@@ -221,26 +222,5 @@ class GUI_PyGame:
             if r:
                 return e
 
-
-    def mainloop(self, filename, handle_keypress, handle_mousebutton, handle_gpio_event):
-        while True:
-            # Ignore all input that happened before entering the loop
-            EventModule.get()
-            # Clear display
-            self.clear()
-            # Show idle-picture and message
-            if filename != None:
-                self.show_picture(filename)
-            self.show_message("Hit the button!")
-            # Render everything
-            self.apply()
-            # Wait for event
-            event = EventModule.wait()
-            # Handle the event
-            if event.type == pygame.QUIT: return
-            elif event.type == pygame.KEYDOWN: handle_keypress(event.key)
-            elif event.type == pygame.MOUSEBUTTONUP: handle_mousebutton(event.button, event.pos)
-            elif event.type == gpio_pygame_event: handle_gpio_event(event.channel)
-
     def teardown(self):
         pygame.quit()

slideshow.py

@@ -1,12 +1,13 @@
 #!/usr/bin/env python
 # Created by br@re-web.eu, 2015
 
+from gui import GUI_PyGame as GuiModule
+
 import os
 from datetime import datetime
 from time import sleep
 import subprocess
-
-from gui import GUI_PyGame as GuiModule
+from threading import Thread
 
 #####################
 ### Configuration ###
@@ -24,21 +25,12 @@ display_time = 3
 # Waiting time between synchronizations
 sync_time = 60
 
+#keep_running = True
+
 ###############
 ### Classes ###
 ###############
 
-class RoutineRunner:
-    def __init__(self, cmd):
-        self.cmd = cmd
-
-    def run(self, interval):
-        while True:
-            output = subprocess.check_output(self.cmd, shell=True, stderr=subprocess.STDOUT)
-            print(output)
-            sleep(interval)
-
-
 class Slideshow:
     def __init__(self, display_size, display_time, directory, recursive=True):
         self.directory    = directory
@@ -77,6 +69,7 @@ class Slideshow:
 
     def run(self):
         while True:
+            self.scan()
             for filename in self.filelist:
                 self.display.clear()
                 self.display.show_picture(filename)
@@ -88,6 +81,7 @@ class Slideshow:
 
     def teardown(self):
         self.display.teardown()
+        #keep_running = False
         exit(0)
 
 
@@ -95,12 +89,21 @@ class Slideshow:
 ### Functions ###
 #################
 
+def routine_command(cmd, interval):
+    while True:
+        print("Running routine")
+        #output = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+        #print("Output is " + output)
+        sleep(interval)
+
 def main():
-    # sync = RoutineRunner("ls")
-    # sync.run(sync_time)
-    slideshow = Slideshow(display_size, display_time, directory, True)
-    slideshow.scan()
-    slideshow.run()
+    show = Slideshow(display_size, display_time, directory, True)
+    sync = Thread(target=routine_command, args=("/bin/echo 'Routine executed'", 5) )
+    
+    #sync.run()
+    show.run()
+
+    sync.join()
     return 0
 
 if __name__ == "__main__":