from dataclasses import dataclass
from datetime import datetime
import math
import os
os.environ['PYGAME_HIDE_SUPPORT_PROMPT'] = "hide"
import pygame
import sys
import time
pygame.init()
width = 600
height = 900
clear_display = "0"
display_num_whole = clear_display
old_display_num_whole = display_num_whole
display_num_decimal = ""
old_display_num_decimal = display_num_decimal
num_float = False
buffer_num = ""
buffer_num_float = False
operator = ""
old_operator = ""
float_precision = 1
yellow = (240, 240, 20)
white = (255, 255, 255)
black = (0, 0, 0)
background = (80, 80, 80)
button_origin_x = 90
button_origin_y = 280
button_spacing = 140
button_radius = 50
button_background = (60, 60, 60)
@dataclass
class Button:
row: int
column: int
label: str
key: int
is_number: bool = False
flashing: bool = False
unflash_on: float = 0.0
center_x: int = 0
center_y: int = 0
keypad_map = {
str(pygame.K_KP_0): pygame.K_0,
str(pygame.K_KP_1): pygame.K_1,
str(pygame.K_KP_2): pygame.K_2,
str(pygame.K_KP_3): pygame.K_3,
str(pygame.K_KP_4): pygame.K_4,
str(pygame.K_KP_5): pygame.K_5,
str(pygame.K_KP_6): pygame.K_6,
str(pygame.K_KP_7): pygame.K_7,
str(pygame.K_KP_8): pygame.K_8,
str(pygame.K_KP_9): pygame.K_9,
str(pygame.K_KP_MINUS): pygame.K_MINUS,
str(pygame.K_KP_MULTIPLY): pygame.K_MINUS,
str(pygame.K_KP_DIVIDE): pygame.K_SLASH,
str(pygame.K_KP_PLUS): pygame.K_PLUS,
str(pygame.K_KP_PERIOD): pygame.K_PERIOD,
str(pygame.K_KP_ENTER): pygame.K_EQUALS,
str(pygame.K_RETURN): pygame.K_EQUALS
}
valid_keys_numbers = [
pygame.K_0,
pygame.K_1,
pygame.K_2,
pygame.K_3,
pygame.K_4,
pygame.K_5,
pygame.K_6,
pygame.K_7,
pygame.K_8,
pygame.K_9,
pygame.K_KP_0,
pygame.K_KP_1,
pygame.K_KP_2,
pygame.K_KP_3,
pygame.K_KP_4,
pygame.K_KP_5,
pygame.K_KP_6,
pygame.K_KP_7,
pygame.K_KP_8,
pygame.K_KP_9
]
valid_keys_equals = [
pygame.K_EQUALS,
pygame.K_RETURN,
pygame.K_KP_ENTER
]
buttons = {
str(pygame.K_0): Button(3, 1, "0", pygame.K_0, True),
str(pygame.K_1): Button(2, 0, "1", pygame.K_1, True),
str(pygame.K_2): Button(2, 1, "2", pygame.K_2, True),
str(pygame.K_3): Button(2, 2, "3", pygame.K_3, True),
str(pygame.K_4): Button(1, 0, "4", pygame.K_4, True),
str(pygame.K_5): Button(1, 1, "5", pygame.K_5, True),
str(pygame.K_6): Button(1, 2, "6", pygame.K_6, True),
str(pygame.K_7): Button(0, 0, "7", pygame.K_7, True),
str(pygame.K_8): Button(0, 1, "8", pygame.K_8, True),
str(pygame.K_9): Button(0, 2, "9", pygame.K_9, True),
str(pygame.K_PERIOD): Button(3, 2, ".", pygame.K_PERIOD),
str(pygame.K_QUESTION): Button(3, 0, "+-", pygame.K_QUESTION),
str(pygame.K_BACKSPACE): Button(0, 3, "<-", pygame.K_BACKSPACE),
str(pygame.K_a): Button(1, 3, "AC", pygame.K_a),
str(pygame.K_c): Button(2, 3, "C", pygame.K_c),
str(pygame.K_EQUALS): Button(3, 3, "=", pygame.K_EQUALS),
str(pygame.K_ASTERISK): Button(4, 3, "*", pygame.K_ASTERISK),
str(pygame.K_PLUS): Button(4, 0, "+", pygame.K_PLUS),
str(pygame.K_MINUS): Button(4, 1, "-", pygame.K_MINUS),
str(pygame.K_SLASH): Button(4, 2, chr(247), pygame.K_SLASH)
}
def flash_button(b):
if b.flashing == False:
center_x = button_origin_x + (b.column * button_spacing)
center_y = button_origin_y + (b.row * button_spacing)
center = (center_x, center_y)
pygame.draw.circle(screen, white, center, button_radius, 4)
b.flashing = True
b.unflash_on = time.time() + 0.1
else:
center_x = button_origin_x + (b.column * button_spacing)
center_y = button_origin_y + (b.row * button_spacing)
center = (center_x, center_y)
pygame.draw.circle(screen, button_background, center, button_radius, 4)
pygame.draw.circle(screen, yellow, center, button_radius, 2)
b.flashing = False
def draw_buttons():
for key, b in buttons.items():
b.center_x = button_origin_x + (b.column * button_spacing)
b.center_y = button_origin_y + (b.row * button_spacing)
center = (b.center_x, b.center_y)
pygame.draw.circle(screen, button_background, center, button_radius)
pygame.draw.circle(screen, yellow, center, button_radius, 2)
b_text = cheesy_font.render(b.label, True, white)
text_x = b.center_x - (b_text.get_width() // 2)
text_y = b.center_y - (b_text.get_height() // 2)
if b.label == "*":
text_y += 15
screen.blit(b_text, (text_x, text_y))
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption('CheesyCalc')
icon = pygame.image.load(os.path.join("img", "cheesy_icon_32x32.png"))
icon.convert_alpha()
pygame.display.set_icon(icon)
screen.fill(background)
pygame.display.flip()
logo = pygame.image.load(os.path.join("img", "cheesy.png"))
logo.convert_alpha()
screen.blit(logo, (30, 20))
cheesy_font = pygame.font.Font(os.path.join("font", "New Cheese.ttf"), 60)
logo_text_1 = cheesy_font.render("Cheesy", True, yellow)
logo_text_2 = cheesy_font.render("Calculator", True, yellow)
screen.blit(logo_text_1, (width // 2 - logo_text_1.get_width() // 2 + 80, 0))
screen.blit(logo_text_2, (width // 2 - logo_text_2.get_width() // 2 + 80, 45))
sevenseg_font = pygame.font.Font(os.path.join("font", "DSEG7Modern-Bold.ttf"), 60)
sevenseg_font_sm = pygame.font.Font(os.path.join("font", "Seven Segment.ttf"), 22)
draw_buttons()
pygame.display.flip()
def do_math():
if operator == "+":
num1 = int(buffer_num) if buffer_num_float == False else float(buffer_num)
num1_string = display_num_whole + ("" if num_float == False else ("." + display_num_decimal))
num2 = int(num1_string) if num_float == False else float(num1_string)
return str(num1 + num2)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
mouse_click = None
if event.type == pygame.MOUSEBUTTONDOWN:
mouse_x, mouse_y = pygame.mouse.get_pos()
for key, b in buttons.items():
if math.hypot(mouse_x - b.center_x, mouse_y - b.center_y) <= button_radius:
mouse_click = b.key
if event.type == pygame.KEYDOWN or not mouse_click is None:
if mouse_click is None:
my_key = event.key
else:
my_key = mouse_click
if my_key == pygame.K_ESCAPE:
pygame.quit()
sys.exit()
elif my_key == pygame.K_c:
display_num_whole = clear_display
display_num_decimal = ""
num_float = False
float_precision = 1
flash_button(buttons[str(my_key)])
elif my_key == pygame.K_a:
display_num_whole = clear_display
display_num_decimal = ""
num_float = False
float_precision = 1
buffer_num = ""
buffer_num_float = False
operator = ""
old_operator = ""
flash_button(buttons[str(my_key)])
elif my_key == pygame.K_PERIOD or my_key == pygame.K_KP_PERIOD:
actual_key = pygame.K_PERIOD
flash_button(buttons[str(actual_key)])
num_float = True
elif my_key in valid_keys_equals and not pygame.key.get_mods() & pygame.KMOD_SHIFT:
actual_key = pygame.K_EQUALS
flash_button(buttons[str(actual_key)])
elif my_key == pygame.K_BACKSPACE:
flash_button(buttons[str(my_key)])
if num_float == True:
if display_num_decimal == "":
num_float = False
if len(display_num_whole) > 1:
display_num_whole = display_num_whole[:-1]
elif display_num_whole != "0":
display_num_whole = "0"
else:
display_num_decimal = display_num_decimal[:-1]
else:
if len(display_num_whole) > 1:
display_num_whole = display_num_whole[:-1]
elif display_num_whole != "0":
display_num_whole = "0"
elif (my_key == pygame.K_EQUALS and pygame.key.get_mods() & pygame.KMOD_SHIFT) or my_key == pygame.K_KP_PLUS:
actual_key = pygame.K_PLUS
if buffer_num == "":
buffer_num = display_num_whole
operator = "+"
if num_float:
buffer_num_float = True
buffer_num += "." + display_num_decimal
num_float = False
display_num_whole = clear_display
display_num_decimal = ""
else:
sum = do_math()
if sum.find(".") == -1:
display_num_whole = sum
num_float = False
else:
display_num_whole, display_num_decimal = sum.split('.')
if display_num_decimal == "0":
display_num_decimal = ""
num_float = False
flash_button(buttons[str(actual_key)])
elif my_key == pygame.K_MINUS or my_key == pygame.K_KP_MINUS:
actual_key = pygame.K_MINUS
flash_button(buttons[str(actual_key)])
elif (my_key == pygame.K_8 and pygame.key.get_mods() & pygame.KMOD_SHIFT) or my_key == pygame.K_KP_MULTIPLY:
actual_key = pygame.K_ASTERISK
flash_button(buttons[str(actual_key)])
elif my_key == pygame.K_SLASH or my_key == pygame.K_KP_DIVIDE:
actual_key = pygame.K_SLASH
flash_button(buttons[str(actual_key)])
elif my_key in valid_keys_numbers:
if str(my_key) in keypad_map.keys():
actual_key = keypad_map[str(my_key)]
else:
actual_key = my_key
flash_button(buttons[str(actual_key)])
if len(display_num_whole) <= 10:
if num_float == False:
if display_num_whole == clear_display and actual_key != pygame.K_0:
display_num_whole = chr(actual_key)
elif display_num_whole != clear_display:
display_num_whole += chr(actual_key)
else:
display_num_decimal += chr(actual_key)
if display_num_whole != old_display_num_whole or display_num_decimal != old_display_num_decimal:
#print(f"Number: {display_num_whole}", end='')
#if num_float == True:
# print(".", end='')
#print(display_num_decimal)
old_display_num_whole = display_num_whole
old_display_num_decimal = display_num_decimal
pygame.draw.rect(screen, black, pygame.Rect(10, 100, width - 20, 110))
pygame.draw.rect(screen, yellow, pygame.Rect(10, 100, width - 20, 110), 2)
main_text = sevenseg_font.render(display_num_whole + "." + display_num_decimal, True, white)
screen.blit(main_text, (width - 20 - main_text.get_width(), 130))
buffer_text = sevenseg_font_sm.render(buffer_num + " " + operator, True, white)
screen.blit(buffer_text, (width - 20 - buffer_text.get_width(), 130 - 4 - buffer_text.get_height()))
for key, b in buttons.items():
if b.flashing == True and time.time() >= b.unflash_on:
flash_button(b)
pygame.display.flip()