Slideshow extended and reacts to 'q' now

gui.py

@@ -137,7 +137,7 @@ class GUI_PyGame:
 
         # Store screen and size
         self.size = size
-        self.screen = pygame.display.set_mode(size, pygame.FULLSCREEN)
+        self.screen = pygame.display.set_mode(size) #, pygame.FULLSCREEN)
 
         # Clear screen
         self.clear()
@@ -188,6 +188,25 @@ class GUI_PyGame:
             text.set_colorkey(bg)
         self.surface_list.append((text, rect.topleft))
 
+    def convert_event(self, event):
+        if event.type == pygame.QUIT: 
+            return True, Event(0, 0)
+        elif event.type == pygame.KEYDOWN: 
+            return True, Event(1, event.key)
+        elif event.type == pygame.MOUSEBUTTONUP: 
+            return True, Event(2, (event.button, event.pos))
+        elif event.type >= pygame.USEREVENT: 
+            return True, Event(3, event.channel)
+        else:
+            return False, ''
+
+    def check_for_event(self):
+        for event in EventModule.get():
+            r, e = self.convert_event(event)
+            if r:
+                return r, e
+        return False, ''
+
     def wait_for_event(self):
         # Repeat until a relevant event happened
         while True:
@@ -198,14 +217,9 @@ class GUI_PyGame:
             event = EventModule.wait()
 
             # Return Event-Object
-            if event.type == pygame.QUIT: 
+            r, e = self.convert_event(event)
-                return Event(0, 0)
+            if r:
-            elif event.type == pygame.KEYDOWN: 
+                return e
-                return Event(1, event.key)
-            elif event.type == pygame.MOUSEBUTTONUP: 
-                return Event(2, (event.button, event.pos))
-            elif event.type >= pygame.USEREVENT: 
-                return Event(3, event.channel)
 
 
     def mainloop(self, filename, handle_keypress, handle_mousebutton, handle_gpio_event):

slideshow.py

@@ -24,38 +24,55 @@ display_time = 3
 ###############
 
 class Slideshow:
-	def __init__(self, display_size, display_time, directory, recursive=True):
+    def __init__(self, display_size, display_time, directory, recursive=True):
-		self.directory    = directory
+        self.directory    = directory
-		self.recursive    = recursive
+        self.recursive    = recursive
-		self.filelist     = []
+        self.filelist     = []
-		self.display      = GuiModule("Slideshow", display_size)
+        self.display      = GuiModule("Slideshow", display_size)
-		self.display_time = display_time
+        self.display_time = display_time
 
-	def scan(self):
+    def scan(self):
-		filelist = []
+        filelist = []
 
-		if self.recursive:
+        if self.recursive:
-			# Recursively walk all entries in the directory
+            # Recursively walk all entries in the directory
-			for root, dirnames, filenames in os.walk(self.directory):
+            for root, dirnames, filenames in os.walk(self.directory):
-				for filename in filenames:
+                for filename in filenames:
-					filelist.append(os.path.join(root, filename))
+                    filelist.append(os.path.join(root, filename))
-		else:
+        else:
-			# Add all entries in the directory
+            # Add all entries in the directory
-			for item in os.listdir(self.directory):
+            for item in os.listdir(self.directory):
-				filename = os.path.join(self.directory, item)
+                filename = os.path.join(self.directory, item)
-				if os.path.isfile(filename):
+                if os.path.isfile(filename):
-					filelist.append(filename)
+                    filelist.append(filename)
 
-		self.filelist = filelist
+        self.filelist = filelist
 
-	def run(self):
+    def handle_event(self, event):
-		while True:
+        if event.type == 0:
-			for filename in self.filelist:
+            self.teardown()
-				self.display.clear()
+        elif event.type == 1:
-				self.display.show_picture(filename)
+            self.handle_keypress(event.value)
-				self.display.apply()
-				sleep(self.display_time)
 
+    def handle_keypress(self, key):
+        # Exit the application
+        if key == ord('q'):
+            self.teardown()
+
+    def run(self):
+        while True:
+            for filename in self.filelist:
+                self.display.clear()
+                self.display.show_picture(filename)
+                self.display.apply()
+                sleep(self.display_time)
+                r, e = self.display.check_for_event()
+                if r:
+                    self.handle_event(e)
+
+    def teardown(self):
+        self.display.teardown()
+        exit(0)
 
 
 #################
@@ -63,7 +80,7 @@ class Slideshow:
 #################
 
 def main():
-    slideshow = Slideshow(display_size, display_time, directory, False)
+    slideshow = Slideshow(display_size, display_time, directory, True)
     slideshow.scan()
     slideshow.run()
     return 0