88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
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#!/usr/bin/env python3
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# by Timothy Downs, inputbox written for my map editor
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# Edited to be python3 compatible by @SteveClement on Twitter
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# Example version is with additional comments
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# This program needs a little cleaning up
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# It ignores the shift key
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# And, for reasons of my own, this program converts "-" to "_"
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# A program to get user input, allowing backspace etc
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# shown in a box in the middle of the screen
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#
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# Called by:
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#
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# import inputboxExample
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# answer = inputbox.ask(screen, "Your name")
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#
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# Only near the center of the screen is blitted to
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#
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# Obviously inputboxExample.py needs to be in the same directory you started you python from
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import pygame, pygame.font, pygame.event, pygame.draw, string
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from pygame.locals import *
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def get_key():
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while True:
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event = pygame.event.poll()
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if event.type == KEYDOWN:
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return event.key
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else:
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pass
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def display_box(screen, message):
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"Print a message in a box in the middle of the screen, no font selected, no fancy colors"
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fontobject = pygame.font.Font(None,18)
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# Draw a RED (r255,g0,b0) rectangle
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pygame.draw.rect(screen, (255,0,0),
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((screen.get_width() / 2) - 100,
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(screen.get_height() / 2) - 10,
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200,20), 0)
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# Draw a GREEN (r0,g255,b0) rectangle
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pygame.draw.rect(screen, (0,255,0),
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((screen.get_width() / 2) - 102,
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(screen.get_height() / 2) - 12,
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204,24), 1)
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if len(message) != 0:
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# blit a WHITE (r255,g255,b255) fontobject with the contents of the message variable to the screen where we can enter Text
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screen.blit(fontobject.render(message, 1, (255,255,255)),
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((screen.get_width() / 2) - 100, (screen.get_height() / 2) - 10))
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pygame.display.flip()
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def ask(screen, question):
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"ask(screen, question) -> answer"
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# Init font engine
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pygame.font.init()
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current_string = []
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# call display_box() function
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display_box(screen, question + ": " + "".join(current_string))
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# Main endless loop untill we press the Return/Enter key (K_RETURN)
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while True:
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# Get pressed key
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inkey = get_key()
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# Check what key was pressed
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if inkey == K_BACKSPACE:
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# remove one character from current_string
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current_string = current_string[0:-1]
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elif inkey == K_RETURN:
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break
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elif inkey == K_MINUS:
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# appent an underscore if minus (-) entered
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current_string.append("_")
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elif inkey <= 127:
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# All other characters get appended to current_string
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current_string.append(chr(inkey))
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# Add characters to current_string and display them on the screen
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display_box(screen, question + ": " + "".join(current_string))
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# Once enter pressed return the contents of current string
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return "".join(current_string)
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def main():
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# set the screen size to 320x240
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screen = pygame.display.set_mode((320,240))
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# Print the return value of the function ask()
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print((ask(screen, "Please type your Name") + " was entered"))
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if __name__ == '__main__': main()
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