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Button.py
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Button.py
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###########################################################################################
# 2º Semestre do 1º ano do curso de Engenharia Mecânica - Instituto Superior Técnico #
# Unidade Curricular do Projeto - Fundamentos da Programação #
# Nome do Projeto: Robô da Fruta #
# Autores: Afonso Araújo (102685) e Lucas Feijó (103968) #
# Grupo: G45 #
# Data: 25.06.2022 #
# Módulo: Button #
###########################################################################################
from graphics import *
class Button():
""" Creates a Button object"""
def __init__(self, win, center, width, height, label, handler):
""" Create button object which consists of a Rectangle centered at 'center'
with a Text object with text 'label' """
w, h = width/2, height/2
x, y = center.getX(), center.getY()
self.xmin, self.ymin = x-w, y-h
self.xmax, self.ymax = x+w, y+h
pt1 = Point(self.xmin, self.ymin)
pt2 = Point(self.xmax, self.ymax)
self.rect = Rectangle(pt1, pt2)
self.rect.setFill("dim gray")
self.label = Text(center,label)
self.label.setTextColor('lightgrey')
self.label.setFace('courier')
self.rect.draw(win)
self.label.draw(win)
self.activate()
self.handler = handler
def activate(self):
""" sets to active / available to be clicked """
#self.label.setTextColor('black')
self.label.setTextColor('black')
self.rect.setWidth(4)
self.active = True
def deactivate(self):
""" sets to inactive / unavailable to be clicked """
self.label.setTextColor('darkgrey')
self.rect.setWidth(1)
self.active = False
def clicked(self, mouse):
""" if button is active this will determine if there was a click
(pt) within the button """
return (self.active and
self.xmin <= mouse.getX() <= self.xmax and
self.ymin <= mouse.getY() <= self.ymax)
def getLabel(self):
""" returns the label text """
return self.label.getText()
def changehandler(self, newhandler):
'''change the handler function of a button'''
self.handler = newhandler
def gethandler(self):
'''prints the current handler of the button'''
return self.handler
def state(self):
'''return True if the button is active'''
return self.active
def onClick(self):
self.handler()