pygame window not werking

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Re: pygame window not working

 
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  #11
Jan 4th, 2009
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Originally Posted by ohblahitsme View Post
Are you guys putting the code into the interactive python interpreter or are you creating a separate .py file. When I started my first pygame project, I tried putting it in the interpreter and got an Not Responding window. Of course I just started python and pygame so what do I know .
Why not try to run it from IDEs like Drpython, or Wing 101 and tell us the progress
Last edited by evstevemd; Jan 4th, 2009 at 2:24 pm. Reason: clear up confusion
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Re: pygame window not werking

 
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  #12
Jan 5th, 2009
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Originally Posted by ohblahitsme View Post
I don't remember the full syntax, nor if it is actually what you are looking for but try
Python Syntax (Toggle Plain Text) 
  1. pygame.display.flip()
If I've understood correctly, flip() is specifically for double-buffered surfaces ... or more specifically, for changing buffers on surfaces for which you're taking advantage of SDL double buffering in the first place.

I've since found another tutorial that enlightened me re: the Not Responding window. It turns out the reason the window is 'not responding' is because our code is literally not responding to its event queue. Mouse clicks, mouse moves, key presses, and in fact lots of other random crud too, all pile up in the Windows Message Queue, and when Windows detects that a program isn't processing its messages (and thereby removing them from the queue - kind of like not reading your mail and letting it pile up in the mailbox), then Windows marks that window "Not Responding".

Python Syntax (Toggle Plain Text) 
  1. pygame.event.get()
  2. # returns a list of events. I haven't read ahead enough to know how to
  3. # deal with them individually, i.e. look for typed letters
  4. # (as opposed to scanning the keyboard contstantly, hoping you don't miss one...)
  5. # ... but I have determined that calling this function:
  6. #     - clears the message queue
  7. #     - makes the game window's 'Not Responding' tag go away
  8. #     - allows all the drawn changes to show up
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Re: pygame window not werking

 
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  #13
Jan 5th, 2009
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Originally Posted by ohblahitsme View Post
Are you guys putting the code into the interactive python interpreter or are you creating a separate .py file. When I started my first pygame project, I tried putting it in the interpreter and got an Not Responding window. Of course I just started python and pygame so what do I know .
For a program run from a file, even if it doesn't do any event processing, the window's lifetime will be so short that it probably won't have a chance for any unprocessed events to pile up. So that way a program that is incorrect in that it does not check for events will still appear to work. I suspect that the reason I could see my circle drawn onscreen just before the window went away was that part of pygame.quit()'s job is to throw away any remaining events in the queue, and when that happens the drawing updates can go through as the last things to happen before the window dies.
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Re: pygame window not werking

 
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  #14
Jan 5th, 2009
Try this from the interpreter (after creating a window)
Python Syntax (Toggle Plain Text) 
  1. while True:
  2.  print pygame.event.wait()
to see all the events a window typically recieves.
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