pygame实现非图片按钮效果

 # -*- coding=utf-8 -*- import threading import pygame from pygame.locals import MOUSEBUTTONDOWN class BFControlId(object): _instance_lock = threading.Lock() def __init__(self): self.id = 1 @classmethod def instance(cls, *args, **kwargs): if not hasattr(BFControlId, "_instance"): BFControlId._instance = BFControlId(*args, **kwargs) return BFControlId._instance def get_new_id(self): self.id += 1 return self.id CLICK_EFFECT_TIME = 100 class BFButton(object): def __init__(self, parent, rect, text='Button', click=None): self.x,self.y,self.width,self.height = rect self.bg_color = (225,225,225) self.parent = parent self.surface = parent.subsurface(rect) self.is_hover = False self.in_click = False self.click_loss_time = 0 self.click_event_id = -1 self.ctl_id = BFControlId().instance().get_new_id() self._text = text self._click = click self._visible = True self.init_font() def init_font(self): font = pygame.font.Font(None, 28) white = 100, 100, 100 self.textImage = font.render(self._text, True, white) w, h = self.textImage.get_size() self._tx = (self.width - w) / 2 self._ty = (self.height - h) / 2 @property def text(self): return self._text @text.setter def text(self, value): self._text = value self.init_font() @property def click(self): return self._click @click.setter def click(self, value): self._click = value @property def visible(self): return self._visible @visible.setter def visible(self, value): self._visible = value def update(self, event): if self.in_click and event.type == self.click_event_id: if self._click: self._click(self) self.click_event_id = -1 return x, y = pygame.mouse.get_pos() if x > self.x and x  self.y and y 

 # -*- coding=utf-8 -*- import pygame from bf_button import BFButton pygame.init() screencaption = pygame.display.set_caption('bf control') screen = pygame.display.set_mode((400,400)) def do_click1(btn): pygame.display.set_caption('i click %s,ctl id is %s' % (btn._text,btn.ctl_id)) btn.text = 'be click' def do_click2(btn): btn.visible = False def do_click3(btn): pygame.quit() exit() button1 = BFButton(screen, (120,100,160,40)) button1.text = 'Play' button1.click = do_click1 button2 = BFButton(screen, (120,180,160,40),text='Hide',click=do_click2) button3 = BFButton(screen, (120,260,160,40),text='Quit',click=do_click3) while True: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() exit() button1.update(event) button2.update(event) button3.update(event) screen.fill((255,255,255)) button1.draw() button2.draw() button3.draw() pygame.display.update() 

 class BFButtonGroup(object): def __init__(self): self.btn_list = [] def add_button(self, button): self.btn_list.append(button) def make_button(self, screen, rect, text='Button', click=None): button = BFButton(screen, rect,text=text,click=click) self.add_button(button) def update(self, event): for button in self.btn_list: button.update(event) def draw(self): for button in self.btn_list: button.draw()

 # -*- coding=utf-8 -*- import pygame from bf_button import BFButton,BFButtonGroup pygame.init() screencaption = pygame.display.set_caption('bf control') screen = pygame.display.set_mode((400,400)) def do_click1(btn): pygame.display.set_caption('i click %s,ctl id is %s' % (btn._text,btn.ctl_id)) btn.text = 'be click' def do_click2(btn): btn.visible = False def do_click3(btn): pygame.quit() exit() btn_group = BFButtonGroup() btn_group.make_button(screen, (120,100,160,40),text='Play',click=do_click1) btn_group.make_button(screen, (120,180,160,40),text='Hide',click=do_click2) btn_group.make_button(screen, (120,260,160,40),text='Quit',click=do_click3) while True: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() exit() btn_group.update(event) screen.fill((255,255,255)) btn_group.draw() pygame.display.update()