pygame_mouse_events.py

import math
import pygame, sys
from pygame.locals import *
pygame.init()
(windows_width, windows_height, windows_title) = (600, 400, "Mouse Events Example")
screen = pygame.display.set_mode((windows_width,windows_height),0,32)
pygame.display.set_caption(windows_title)
windows_bgcolor = (255,255,255)
mainLoop = True
clock = pygame.time.Clock()
milli = seconds = 0.0
#initial data here
mouse_pos = (0,0)
mouse_rel = (0,0)
mouse_color = (255,128,64)
mouse_radius = 20

mouse_btns_state = (0,0,0)

last_btn_dwn = "None"
last_btn_up = "None"

mouse_buttons_text_font = pygame.font.SysFont("Arial",14)
mouse_buttons_text_font_color = (0,0,0)

def getMouseBtnName(mouseIntName):
    return {
        1: "LEFT_BTN",
        2: "CENTER_BTN",
        3: "RIGHT_BTN",
        4: "WHEEL_UP",
        5: "WHELL_DOWN"
        }.get(mouseIntName, "None")


while mainLoop:
    for event in pygame.event.get():
        if event.type == QUIT:
            mainLoop = False
        if event.type == MOUSEMOTION:
            mouse_pos = event.pos
            mouse_btns_state = event.buttons
            mouse_rel = event.rel
        if event.type == MOUSEBUTTONDOWN:
            mouse_pos = event.pos
            last_btn_dwn = getMouseBtnName(event.button)
        if event.type == MOUSEBUTTONUP:
            mouse_pos = event.pos
            last_btn_up = getMouseBtnName(event.button)
    milli = clock.tick()
    seconds = milli / 1000.0
    screen.fill(windows_bgcolor)
    #create frame here
    pygame.draw.circle(screen, mouse_color, mouse_pos, mouse_radius)

    screen.blit(mouse_buttons_text_font.render("left btn: "+str(mouse_btns_state[0]),False,mouse_buttons_text_font_color),(10,0))
    screen.blit(mouse_buttons_text_font.render("center btn: "+str(mouse_btns_state[1]),False,mouse_buttons_text_font_color),(10,20))
    screen.blit(mouse_buttons_text_font.render("right btn: "+str(mouse_btns_state[2]),False,mouse_buttons_text_font_color),(10,40))

    screen.blit(mouse_buttons_text_font.render("last mouse rel x: "+str(mouse_rel[0]),False,mouse_buttons_text_font_color),(10,60))
    screen.blit(mouse_buttons_text_font.render("last mouse rel y: "+str(mouse_rel[1]),False,mouse_buttons_text_font_color),(10,80))

    screen.blit(mouse_buttons_text_font.render("last btn down: "+last_btn_dwn,False,mouse_buttons_text_font_color),(10,100))
    screen.blit(mouse_buttons_text_font.render("last btn up: "+last_btn_up,False,mouse_buttons_text_font_color),(10,120))


    pygame.display.update()
pygame.quit()
#destroy data here