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eztext.py
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# input lib
from pygame.locals import *
import pygame, string
class ConfigError(KeyError): pass
class Config:
""" A utility for configuration """
def __init__(self, options, *look_for):
assertions = []
for key in look_for:
if key[0] in options.keys(): exec('self.'+key[0]+' = options[\''+key[0]+'\']')
else: exec('self.'+key[0]+' = '+key[1])
assertions.append(key[0])
for key in options.keys():
if key not in assertions: raise ConfigError(key+' not expected as option')
class Input:
""" A text input for pygame apps """
def __init__(self, **options):
""" Options: x, y, font, color, restricted, maxlength, prompt """
self.options = Config(options, ['x', '0'], ['y', '0'], ['font', 'pygame.font.Font(None, 32)'],
['color', '(0,0,0)'], ['restricted', '\'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!"#$%&\\\'()*+,-./:;<=>?@[\]^_`{|}~\''],
['maxlength', '-1'], ['prompt', '\'\''])
self.x = self.options.x; self.y = self.options.y
self.font = self.options.font
self.color = self.options.color
self.restricted = self.options.restricted
self.maxlength = self.options.maxlength
self.prompt = self.options.prompt; self.value = ''
self.shifted = False
def set_pos(self, x, y):
""" Set the position to x, y """
self.x = x
self.y = y
def set_font(self, font):
""" Set the font for the input """
self.font = font
def draw(self, surface):
""" Draw the text input to a surface """
text = self.font.render(self.prompt+self.value, 1, self.color)
surface.blit(text, (self.x, self.y))
def update(self, events):
""" Update the input based on passed events """
for event in events:
if event.type == KEYUP:
if event.key == K_LSHIFT or event.key == K_RSHIFT: self.shifted = False
if event.type == KEYDOWN:
if event.key == K_BACKSPACE: self.value = self.value[:-1]
elif event.key == K_LSHIFT or event.key == K_RSHIFT: self.shifted = True
elif event.key == K_SPACE: self.value += ' '
if not self.shifted:
if event.key == K_a and 'a' in self.restricted: self.value += 'a'
elif event.key == K_b and 'b' in self.restricted: self.value += 'b'
elif event.key == K_c and 'c' in self.restricted: self.value += 'c'
elif event.key == K_d and 'd' in self.restricted: self.value += 'd'
elif event.key == K_e and 'e' in self.restricted: self.value += 'e'
elif event.key == K_f and 'f' in self.restricted: self.value += 'f'
elif event.key == K_g and 'g' in self.restricted: self.value += 'g'
elif event.key == K_h and 'h' in self.restricted: self.value += 'h'
elif event.key == K_i and 'i' in self.restricted: self.value += 'i'
elif event.key == K_j and 'j' in self.restricted: self.value += 'j'
elif event.key == K_k and 'k' in self.restricted: self.value += 'k'
elif event.key == K_l and 'l' in self.restricted: self.value += 'l'
elif event.key == K_m and 'm' in self.restricted: self.value += 'm'
elif event.key == K_n and 'n' in self.restricted: self.value += 'n'
elif event.key == K_o and 'o' in self.restricted: self.value += 'o'
elif event.key == K_p and 'p' in self.restricted: self.value += 'p'
elif event.key == K_q and 'q' in self.restricted: self.value += 'q'
elif event.key == K_r and 'r' in self.restricted: self.value += 'r'
elif event.key == K_s and 's' in self.restricted: self.value += 's'
elif event.key == K_t and 't' in self.restricted: self.value += 't'
elif event.key == K_u and 'u' in self.restricted: self.value += 'u'
elif event.key == K_v and 'v' in self.restricted: self.value += 'v'
elif event.key == K_w and 'w' in self.restricted: self.value += 'w'
elif event.key == K_x and 'x' in self.restricted: self.value += 'x'
elif event.key == K_y and 'y' in self.restricted: self.value += 'y'
elif event.key == K_z and 'z' in self.restricted: self.value += 'z'
elif event.key == K_0 and '0' in self.restricted: self.value += '0'
elif event.key == K_1 and '1' in self.restricted: self.value += '1'
elif event.key == K_2 and '2' in self.restricted: self.value += '2'
elif event.key == K_3 and '3' in self.restricted: self.value += '3'
elif event.key == K_4 and '4' in self.restricted: self.value += '4'
elif event.key == K_5 and '5' in self.restricted: self.value += '5'
elif event.key == K_6 and '6' in self.restricted: self.value += '6'
elif event.key == K_7 and '7' in self.restricted: self.value += '7'
elif event.key == K_8 and '8' in self.restricted: self.value += '8'
elif event.key == K_9 and '9' in self.restricted: self.value += '9'
elif event.key == K_BACKQUOTE and '`' in self.restricted: self.value += '`'
elif event.key == K_MINUS and '-' in self.restricted: self.value += '-'
elif event.key == K_EQUALS and '=' in self.restricted: self.value += '='
elif event.key == K_LEFTBRACKET and '[' in self.restricted: self.value += '['
elif event.key == K_RIGHTBRACKET and ']' in self.restricted: self.value += ']'
elif event.key == K_BACKSLASH and '\\' in self.restricted: self.value += '\\'
elif event.key == K_SEMICOLON and ';' in self.restricted: self.value += ';'
elif event.key == K_QUOTE and '\'' in self.restricted: self.value += '\''
elif event.key == K_COMMA and ',' in self.restricted: self.value += ','
elif event.key == K_PERIOD and '.' in self.restricted: self.value += '.'
elif event.key == K_SLASH and '/' in self.restricted: self.value += '/'
elif self.shifted:
if event.key == K_a and 'A' in self.restricted: self.value += 'A'
elif event.key == K_b and 'B' in self.restricted: self.value += 'B'
elif event.key == K_c and 'C' in self.restricted: self.value += 'C'
elif event.key == K_d and 'D' in self.restricted: self.value += 'D'
elif event.key == K_e and 'E' in self.restricted: self.value += 'E'
elif event.key == K_f and 'F' in self.restricted: self.value += 'F'
elif event.key == K_g and 'G' in self.restricted: self.value += 'G'
elif event.key == K_h and 'H' in self.restricted: self.value += 'H'
elif event.key == K_i and 'I' in self.restricted: self.value += 'I'
elif event.key == K_j and 'J' in self.restricted: self.value += 'J'
elif event.key == K_k and 'K' in self.restricted: self.value += 'K'
elif event.key == K_l and 'L' in self.restricted: self.value += 'L'
elif event.key == K_m and 'M' in self.restricted: self.value += 'M'
elif event.key == K_n and 'N' in self.restricted: self.value += 'N'
elif event.key == K_o and 'O' in self.restricted: self.value += 'O'
elif event.key == K_p and 'P' in self.restricted: self.value += 'P'
elif event.key == K_q and 'Q' in self.restricted: self.value += 'Q'
elif event.key == K_r and 'R' in self.restricted: self.value += 'R'
elif event.key == K_s and 'S' in self.restricted: self.value += 'S'
elif event.key == K_t and 'T' in self.restricted: self.value += 'T'
elif event.key == K_u and 'U' in self.restricted: self.value += 'U'
elif event.key == K_v and 'V' in self.restricted: self.value += 'V'
elif event.key == K_w and 'W' in self.restricted: self.value += 'W'
elif event.key == K_x and 'X' in self.restricted: self.value += 'X'
elif event.key == K_y and 'Y' in self.restricted: self.value += 'Y'
elif event.key == K_z and 'Z' in self.restricted: self.value += 'Z'
elif event.key == K_0 and ')' in self.restricted: self.value += ')'
elif event.key == K_1 and '!' in self.restricted: self.value += '!'
elif event.key == K_2 and '@' in self.restricted: self.value += '@'
elif event.key == K_3 and '#' in self.restricted: self.value += '#'
elif event.key == K_4 and '$' in self.restricted: self.value += '$'
elif event.key == K_5 and '%' in self.restricted: self.value += '%'
elif event.key == K_6 and '^' in self.restricted: self.value += '^'
elif event.key == K_7 and '&' in self.restricted: self.value += '&'
elif event.key == K_8 and '*' in self.restricted: self.value += '*'
elif event.key == K_9 and '(' in self.restricted: self.value += '('
elif event.key == K_BACKQUOTE and '~' in self.restricted: self.value += '~'
elif event.key == K_MINUS and '_' in self.restricted: self.value += '_'
elif event.key == K_EQUALS and '+' in self.restricted: self.value += '+'
elif event.key == K_LEFTBRACKET and '{' in self.restricted: self.value += '{'
elif event.key == K_RIGHTBRACKET and '}' in self.restricted: self.value += '}'
elif event.key == K_BACKSLASH and '|' in self.restricted: self.value += '|'
elif event.key == K_SEMICOLON and ':' in self.restricted: self.value += ':'
elif event.key == K_QUOTE and '"' in self.restricted: self.value += '"'
elif event.key == K_COMMA and '<' in self.restricted: self.value += '<'
elif event.key == K_PERIOD and '>' in self.restricted: self.value += '>'
elif event.key == K_SLASH and '?' in self.restricted: self.value += '?'
if len(self.value) > self.maxlength and self.maxlength >= 0: self.value = self.value[:-1]