Re: [pygame] Figuring out idle time

[Pete Shinners <shredwheat@attbi.com>]

Robert Flemming wrote:
> This is probably a remedial question, but I'm at kind of a loss as how
> to do it right now.  I have an app in which I'd like to build in a
> screensaver function.

this should be fairly simple. the part of your program that checks the 
event queue should look something like this...


last_event_time = pygame.time.get_ticks()
screensaver_time = 60000 #60 seconds
no_screensaver = (MOUSEMOTION, MOUSEBUTTONDOWN, MOUSEBUTTONUP,
                   KEYDOWN, JOYAXISMOTION, JOYBUTTONDOWN,
                   JOYBALLMOTION, JOYHATMOTION, VIDEORESIZE, QUIT)

while 1:
     for event in pygame.event.get():
          if event in no_screensaver:
              last_event_time = pygame.time.get_ticks()
          handle_all_other_events_blah_blah(event)

     if pygame.time.get_ticks() - last_event_time > screensaver_time:
          do_the_screensaver()
     rest_of_app()




def do_the_screensaver():
     screen = pygame.display.get_surface()
     original_screen = pygame.Surface(screen.get_size())
     original_screen.blit(screen, (0,0))

     while 1:
         for event in pygame.event.get():
             if event in no_screensaver:
                  screen.blit(original_screen, (0,0))
                  return
         draw_pretty_graphics()

     #should use one of korruptor's terrific effects in the PCR, like
     #water,       http://www.pygame.org/pcr/water/index.php
     #motion blur, http://www.pygame.org/pcr/motion_blur/index.php
     #acid,        http://www.pygame.org/pcr/acidblur/index.php



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