button.py

import pygame as pg

class Button():
  def __init__(self, x, y, image, single_click, name=None):
    self.name=name
    self.image = image
    self.posX=x
    self.posY=y
    self.rect = self.image.get_rect()
    self.rect.topleft = (x, y)
    self.clicked = False
    self.single_click = single_click

  def draw(self, surface):
    # draw button on screen
    surface.blit(self.image, self.rect)

  def action(self):
    action = False
    #get mouse position
    pos = pg.mouse.get_pos()

    #check mouseover and clicked conditions
    if self.rect.collidepoint(pos):
      if pg.mouse.get_pressed()[0] == 1 and self.clicked == False:
        action = True
        #if button is a single click type, then set clicked to True
        if self.single_click:
          self.clicked = True

    if pg.mouse.get_pressed()[0] == 0:
      self.clicked = False

    return action