buttons.py

import pygame


class Button():
	def __init__(self, text, pos, action=None, size=(100, 30), color=(0, 0, 153), hilight=(0, 200, 200)):
	   # Button class 

		self.normal = color
		self.hilight = hilight
		self.rect = pygame.Rect(pos, size)
		self.mouseover = False
		self.text = text
		self.font = pygame.font.Font(None, 18)
		self.text_image = self.font.render(text, 1, (0,51,25))
		w, h = self.font.size(text)  # size of font image
		self.text_pos = (pos[0] + size[0] / 2 - w / 2, pos[1] + size[1] / 2 - h / 2)  # center text
		self.buttondown = False
		self.action = action
		

	def draw(self, surface):
		
		#draws the button
		
		rectout = self.rect.inflate(2, 2)
		rectin = self.rect.inflate(1, 1)
		if self.buttondown:
			pygame.draw.rect(surface, (0, 0, 0), rectout)
			pygame.draw.rect(surface, (255, 255, 255), rectin)
		else:
			pygame.draw.rect(surface, (255, 255, 255), rectout)
			pygame.draw.rect(surface, (0, 0, 0), rectin)
		if self.mouseover:
			pygame.draw.rect(surface, self.hilight, self.rect)
		else:
			pygame.draw.rect(surface, self.normal, self.rect)
		surface.blit(self.text_image, self.text_pos)

	def click(self):
		
		# runs the appropriate action when button is clicked
	
		if self.action:
			self.action()