def menu(header, options, width):
if len(options) > 26:
raise ValueError('Cannot have a menu with more than 26 options.')
#calc height of header
header_height = libtcod.console_height_left_rect(con, 0, 0, width,
SCREEN_HEIGHT, header)
if header == '':
header_height = 0
height = len(options) + header_height
#offscreen conolse
window = libtcod.console_new(width, height)
#print the header
libtcod.console_set_foreground_color(window, libtcod.white)
libtcod.console_print_left_rect(window, 0, 0, width, height,
libtcod.BKGND_NONE, header)
y = header_height
letter_index = ord('a')
for option_text in options:
text = '(' + chr(letter_index) + ') ' + option_text
libtcod.console_print_left(window, 0, y, libtcod.BKGND_NONE, text)
y += 1
letter_index += 1
#blit the contents to the main console
x = SCREEN_WIDTH / 2 - width / 2
y = SCREEN_HEIGHT / 2 - height / 2
libtcod.console_blit(window, 0, 0, width, height, 0, x, y, 1.0, 0.7)
#wait for keypress
libtcod.console_flush()
key = libtcod.console_wait_for_keypress(True)
#convert ascii to index
index = key.c - ord('a')
if index >= 0 and index < len(options): return index
return None
def menu(header, options, width):
if len(options) > 26:
raise ValueError('Cannot have a menu with more than 26 options.')
#calculate total height for the header (after auto-wrap) and one line per option
header_height = libtcod.console_height_left_rect(con, 0, 0, width,
SCREEN_HEIGHT, header)
height = len(options) + header_height
#create an off-screen console that represents the menu's window
window = libtcod.console_new(width, height)
#print the header, with auto-wrap
libtcod.console_set_foreground_color(window, libtcod.white)
libtcod.console_print_left_rect(window, 0, 0, width, height,
libtcod.BKGND_NONE, header)
#print all the options
y = header_height
letter_index = ord('a')
for option_text in options:
text = '(' + chr(letter_index) + ') ' + option_text
libtcod.console_print_left(window, 0, y, libtcod.BKGND_NONE, text)
y += 1
letter_index += 1
#blit the contents of "window" to the root console
x = SCREEN_WIDTH / 2 - width / 2
y = SCREEN_HEIGHT / 2 - height / 2
libtcod.console_blit(window, 0, 0, width, height, 0, x, y, 1.0, 0.7)
#present the root console to the player and wait for a key-press
libtcod.console_flush()
key = libtcod.console_wait_for_keypress(True)
#convert the ASCII code to an index; if it corresponds to an option, return it
index = key.c - ord('a')
if index >= 0 and index < len(options): return index
return None
def menu(header, options, width):
if len(options) > 26: raise ValueError('Cannot have a menu with more than 26 options.')
#calc height of header
header_height = libtcod.console_height_left_rect(con, 0, 0, width, SCREEN_HEIGHT, header)
if header == '':
header_height = 0
height = len(options) + header_height
#offscreen conolse
window = libtcod.console_new(width, height)
#print the header
libtcod.console_set_foreground_color(window, libtcod.white)
libtcod.console_print_left_rect(window, 0, 0, width, height, libtcod.BKGND_NONE, header)
y = header_height
letter_index= ord('a')
for option_text in options:
text = '(' + chr(letter_index) + ') ' + option_text
libtcod.console_print_left(window, 0, y, libtcod.BKGND_NONE, text)
y += 1
letter_index += 1
#blit the contents to the main console
x = SCREEN_WIDTH/2 - width/2
y = SCREEN_HEIGHT/2 - height/2
libtcod.console_blit(window, 0, 0, width, height, 0, x, y, 1.0, 0.7)
#wait for keypress
libtcod.console_flush()
key = libtcod.console_wait_for_keypress(True)
#convert ascii to index
index = key.c - ord('a')
if index >= 0 and index < len(options): return index
return None
def menu(header, options, width):
if len(options) > 26: raise ValueError('Cannot have a menu with more than 26 options.')
#calculate total height for the header (after auto-wrap) and one line per option
header_height = libtcod.console_height_left_rect(con, 0, 0, width, SCREEN_HEIGHT, header)
height = len(options) + header_height
#create an off-screen console that represents the menu's window
window = libtcod.console_new(width, height)
#print the header, with auto-wrap
libtcod.console_set_foreground_color(window, libtcod.white)
libtcod.console_print_left_rect(window, 0, 0, width, height, libtcod.BKGND_NONE, header)
#print all the options
y = header_height
letter_index = ord('a')
for option_text in options:
text = '(' + chr(letter_index) + ') ' + option_text
libtcod.console_print_left(window, 0, y, libtcod.BKGND_NONE, text)
y += 1
letter_index += 1
#blit the contents of "window" to the root console
x = SCREEN_WIDTH/2 - width/2
y = SCREEN_HEIGHT/2 - height/2
libtcod.console_blit(window, 0, 0, width, height, 0, x, y, 1.0, 0.7)
#present the root console to the player and wait for a key-press
libtcod.console_flush()
key = libtcod.console_wait_for_keypress(True)
#convert the ASCII code to an index; if it corresponds to an option, return it
index = key.c - ord('a')
if index >= 0 and index < len(options): return index
return None
