RaspberryPi touch screen get pos

touch-pos.py

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# -*- coding:utf-8 -*-
import pygame
import sys
import os.path

BLACK = (  0,   0,   0)
WHITE = (255, 255, 255)
GRAY = (126, 126, 126)
SCREEN_WIDTH = 1280
SCREEN_HEIGHT = 1024


def Main():
    pygame.init()

    SCREEN_WIDTH = pygame.display.Info().current_w
    SCREEN_HEIGHT = pygame.display.Info().current_h
    print "%d x %d" % (SCREEN_WIDTH, SCREEN_HEIGHT)

    size = (SCREEN_WIDTH, SCREEN_HEIGHT)
    screen = pygame.display.set_mode(size)
    pygame.mouse.set_visible(True)
    font_big = pygame.font.Font(None, 50)

    screen.fill(BLACK)

    while True:
        for event in pygame.event.get():

            if (event.type is pygame.MOUSEBUTTONDOWN) or (event.type is pygame.MOUSEBUTTONUP):
                pos = pygame.mouse.get_pos()
                print pos
                text_pos = font_big.render(("%d x %d" % pos), True, WHITE)
                pygame.draw.rect(screen, BLACK, [100, 100, 200, 200])
                screen.blit(text_pos, (100,100))
                pygame.display.flip()

            if (event.type is pygame.KEYDOWN):
                if event.key == K_ESCAPE:
                    sys.exit()

        pygame.display.update()

Main()