class Button:
def __init__(self, x, y, w, h, text, on_click=lambda x: None, padding=0):
self.bounds = pygame.Rect(x, y, w, h) # прямоугольный объект
self.x = x
self.y = y
self.w = w
self.h = h
self.padding = padding
self.state = 'normal'
self.on_click = on_click
self.text = TextObject(x + padding, y + padding, lambda: text,
c.button_text_color, c.font_name, c.font_size)
@property
def back_color(self):
return dict(normal=c.button_normal_back_color,
hover=c.button_hover_back_color,
pressed=c.button_pressed_back_color)[self.state]
def draw(self, surface):
pygame.draw.rect(surface, self.back_color, self.bounds)
self.text.draw(surface)
def update(self):
pass
def handle_mouse_event(self, type, pos):
if type == pygame.MOUSEMOTION:
self.handle_mouse_move(pos)
elif type == pygame.MOUSEBUTTONDOWN:
self.handle_mouse_down(pos)
elif type == pygame.MOUSEBUTTONUP:
self.handle_mouse_up(pos)
def handle_mouse_move(self, pos):
if self.bounds.collidepoint(pos):
if self.state != 'pressed':
self.size_button(self.state)
self.state = 'hover'
else:
self.size_button(self.state)
self.state = 'normal'
def handle_mouse_down(self, pos):
if self.bounds.collidepoint(pos):
self.size_button(self.state)
self.state = 'pressed'
def handle_mouse_up(self, pos):
if self.state == 'pressed':
self.size_button(self.state)
self.on_click(self)
self.state = 'hover'
def size_button(self, state):
if self.state != 'normal':
self.bounds.height = self.h + c.button_loop_h
self.bounds.width = self.w + c.button_loop_w
self.bounds.x = self.x - c.button_loop_w // 2
self.bounds.y = self.y - c.button_loop_h // 2
self.text.change_font(
c.font_size_loop,
(self.bounds.x + self.padding, self.bounds.y + self.padding))
else:
self.bounds.height = self.h
self.bounds.width = self.w
self.bounds.x = self.x
self.bounds.y = self.y
self.text.change_font(
c.font_size,
(self.bounds.x + self.padding, self.bounds.y + self.padding))
