ThorPy

"""
We show here how to change the opacity (alpha value) of an element's background. This is specially useful
if you don't like the default alpha value of some themes.
"""

import pygame
import thorpy as tp

W, H = 1200, 700
pygame.init()
screen = pygame.display.set_mode((W,H))
tp.init(screen, tp.theme_game2)

#first option : change the color for all the needed elements
# tp.set_style_attr("bck_color", (255,255,255), only_to_cls=[tp.Box, tp.TitleBox])

bck = pygame.image.load(tp.fn("data/bck.jpg"))
bck = pygame.transform.smoothscale(bck, (W,H)) #load some background pic
def before_gui(): #add here the things to do before blitting gui elements
    screen.blit(bck, (0,0)) #blit background pic

box = tp.Box([tp.Button("Button"+str(i+1)) for i in range(10)])
box.sort_children("grid", nx=5, ny=2)
box.center_on(screen)

#second option : change the opacity for a single element (without changing its color)
box.set_opacity_bck_color(200)

#Your main loop here #########################
m = tp.Loop(element=box)
clock = pygame.time.Clock()
while m.playing:
    clock.tick(m.fps)
    for e in pygame.event.get():
        if e.type == pygame.QUIT:
            m.playing = False
    m.update(before_gui) #just add this line to handle thorpy elements - the rest is yours
    pygame.display.flip()

pygame.quit()
Thorpy
