pmacs3/color.py

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Python
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2007-03-06 10:05:38 -05:00
import curses
inited = False
#default_color = False
default_color = True
def init():
global colors, _colors, _pairs, attributes, inited, index
if not inited:
index = 1
colors = { 'cyan': curses.COLOR_CYAN,
'green': curses.COLOR_GREEN,
'red': curses.COLOR_RED,
'yellow': curses.COLOR_YELLOW,
'blue': curses.COLOR_BLUE,
'magenta': curses.COLOR_MAGENTA,
'black': curses.COLOR_BLACK,
'white': curses.COLOR_WHITE }
if default_color:
colors["default"] = -1
_colors = []
_pairs = {}
for key in _pairs:
fg, bg = key
curses.init_pair(index, colors[fg], colors[bg])
_pairs[key] = curses.color_pair(index)
_colors.append(key)
index = len(_colors) + 1
attributes = { 'bold': curses.A_BOLD,
'reverse': curses.A_REVERSE,
'normal': curses.A_NORMAL,
'underline': curses.A_UNDERLINE,
'dim': curses.A_DIM,
'standout': curses.A_STANDOUT }
inited = True
def pairs(fg, bg):
if not curses.has_colors():
return curses.color_pair(0)
global colors, _colors, _pairs, index
key = (fg, bg)
if key not in _pairs:
assert index < curses.COLOR_PAIRS
if not default_color:
if fg == "default":
fg = "white"
if bg == "default":
bg = "black"
curses.init_pair(index, colors[fg], colors[bg])
_pairs[key] = curses.color_pair(index)
_colors.append(key)
index = len(_colors) + 1
return _pairs[key]
def get_pairs(index):
if index == 0:
return ('white', 'black')
else:
return _colors[index-1]
def reverse_colors(attr):
return attr ^ curses.A_REVERSE
def build(fg, bg, *attr):
cattr = pairs(fg, bg)
return build_attr(cattr, *attr)
def build_attr(*attr):
v = curses.A_NORMAL
for x in attr:
if type(x) == type(''):
x = attributes[x]
v = v | x
return v