added pygame.SCALED to work around fullscreen bug

pgfw/Display.py

@@ -1,6 +1,7 @@
 from os import environ
 from sys import maxsize, platform 
 
+import pygame
 from pygame import display, image, mouse
 from pygame.locals import *
 
@@ -33,16 +34,16 @@ class Display(GameChild):
             environ["SDL_VIDEO_CENTERED"] = "1"
 
     def init_screen(self):
-        # flags = 0
         full = False
         if self.fullscreen_requested():
-            # flags = -abs(FULLSCREEN)
             full = True
-        self.set_screen(0x0, fs=full)
+
+        # Added pygame.SCALED to avoid fullscreen bug
+        # <https://www.pygame.org/docs/ref/display.html#pygame.display.toggle_fullscreen>
+        self.set_screen(pygame.SCALED, fs=full)
 
     def fullscreen_requested(self):
-        return not self.check_command_line(self.windowed_flag) and \
-               self.fullscreen_enabled
+        return not self.check_command_line(self.windowed_flag) and self.fullscreen_enabled
 
     def set_screen(self, flags=0x0, dimensions=None, fs=False):
         self.dimensions_changed = dimensions is not None
@@ -80,16 +81,4 @@ class Display(GameChild):
 
     def toggle_fullscreen(self, event):
         if self.delegate.compare(event, "toggle-fullscreen"):
-            screen = self.screen
-            cpy = screen.convert()
-            flags = self.screen.get_flags()
-            if flags & 0x80000000:
-                full = False
-                if not platform == "win32" and maxsize >> 33:
-                    flags ^= 0x80000000
-                else:
-                    flags ^= -0x80000000
-            else:
-                full = True
-            self.set_screen(flags, fs=full)
-            screen.blit(cpy, (0, 0))
+            pygame.display.toggle_fullscreen()