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import urwid
import urwid.display_common
from urwid import version
def _attrspec_to_escape_1_3_2(self, a):
"""
Convert AttrSpec instance a to an escape sequence for the terminal
>>> s = Screen()
>>> s.set_terminal_properties(colors=256)
>>> a2e = s._attrspec_to_escape
>>> a2e(s.AttrSpec('brown', 'dark green'))
'\\x1b[0;33;42m'
>>> a2e(s.AttrSpec('#fea,underline', '#d0d'))
'\\x1b[0;38;5;229;4;48;5;164m'
"""
if self.term == 'fbterm':
fg = escape.ESC + '[1;%d}' % (a.foreground_number,)
bg = escape.ESC + '[2;%d}' % (a.background_number,)
return fg + bg
if a.foreground_high:
fg = "38;5;%d" % a.foreground_number
elif a.foreground_basic:
if a.foreground_number > 7:
if self.fg_bright_is_bold:
fg = "1;%d" % (a.foreground_number - 8 + 30)
else:
fg = "%d" % (a.foreground_number - 8 + 90)
else:
fg = "%d" % (a.foreground_number + 30)
else:
fg = "39"
st = ("1;" * a.bold + "3;" * a.italics +
"4;" * a.underline + "5;" * a.blink +
"7;" * a.standout + "9;" * a.strikethrough)
if a.background_high:
bg = "48;5;%d" % a.background_number
elif a.background_basic:
if a.background_number > 7:
if self.bg_bright_is_blink:
bg = "5;%d" % (a.background_number - 8 + 40)
else:
# this doesn't work on most terminals
bg = "%d" % (a.background_number - 8 + 100)
else:
bg = "%d" % (a.background_number + 40)
else:
bg = "49"
return urwid.escape.ESC + "[0;%s;%s%sm" % (fg, st, bg)
def _attrspec_to_escape_1_3_1(self, a):
"""
Convert AttrSpec instance a to an escape sequence for the terminal
>>> s = Screen()
>>> s.set_terminal_properties(colors=256)
>>> a2e = s._attrspec_to_escape
>>> a2e(s.AttrSpec('brown', 'dark green'))
'\\x1b[0;33;42m'
>>> a2e(s.AttrSpec('#fea,underline', '#d0d'))
'\\x1b[0;38;5;229;4;48;5;164m'
"""
if a.foreground_high:
fg = "38;5;%d" % a.foreground_number
elif a.foreground_basic:
if a.foreground_number > 7:
if self.fg_bright_is_bold:
fg = "1;%d" % (a.foreground_number - 8 + 30)
else:
fg = "%d" % (a.foreground_number - 8 + 90)
else:
fg = "%d" % (a.foreground_number + 30)
else:
fg = "39"
st = ("1;" * a.bold + "3;" * a.italics +
"4;" * a.underline + "5;" * a.blink +
"7;" * a.standout + "9;" * a.strikethrough)
if a.background_high:
bg = "48;5;%d" % a.background_number
elif a.background_basic:
if a.background_number > 7:
if self.bg_bright_is_blink:
bg = "5;%d" % (a.background_number - 8 + 40)
else:
# this doesn't work on most terminals
bg = "%d" % (a.background_number - 8 + 100)
else:
bg = "%d" % (a.background_number + 40)
else:
bg = "49"
return urwid.escape.ESC + "[0;%s;%s%sm" % (fg, st, bg)
def _add_italics(version):
def _foreground(self):
return urwid.display_common.AttrSpec._foreground(self) + (',italics' * urwid.display_common.AttrSpec.italics,)
urwid.display_common._ITALICS = 0x20000000
urwid.display_common._FG_MASK |= urwid.display_common._ITALICS
urwid.display_common._ATTRIBUTES['italics'] = urwid.display_common._ITALICS
urwid.display_common.AttrSpec.italics = property(lambda s: s._value & urwid.display_common._ITALICS != 0)
if version <= (1, 3, 1):
urwid.raw_display.Screen._attrspec_to_escape = _VERSIONED_REPLACEMENTS['_attrspec_to_escape']['1.3.1']
else:
urwid.raw_display.Screen._attrspec_to_escape = _VERSIONED_REPLACEMENTS['_attrspec_to_escape']['1.3.2']
def _add_strikethrough(version):
def _foreground(self):
return urwid.display_common.AttrSpec._foreground(self) + (',strikethrough' * urwid.display_common.AttrSpec.strikethrough,)
urwid.display_common._STRIKETHROUGH = 0x40000000
urwid.display_common._FG_MASK |= urwid.display_common._STRIKETHROUGH
urwid.display_common._ATTRIBUTES['strikethrough'] = urwid.display_common._STRIKETHROUGH
urwid.display_common.AttrSpec.strikethrough = property(lambda s: s._value & urwid.display_common._STRIKETHROUGH != 0)
urwid.display_common.AttrSpec._foreground = _foreground
if version <= (1, 3, 1):
urwid.raw_display.Screen._attrspec_to_escape = _VERSIONED_REPLACEMENTS['_attrspec_to_escape']['1.3.1']
else:
urwid.raw_display.Screen._attrspec_to_escape = _VERSIONED_REPLACEMENTS['_attrspec_to_escape']['1.3.2']
def patch_urwid():
need_features = set()
# Not in the urwid upstream tree
need_features.add('strikethrough')
# Currently in the urwid tree but not yet released
if version.VERSION < (1, 3, 1):
need_features.add('italics')
for feature in need_features:
_FEATURE_DISPATCH[feature](version.VERSION)
_VERSIONED_REPLACEMENTS = {'_attrspec_to_escape': {'1.3.1': _attrspec_to_escape_1_3_1,
'1.3.2': _attrspec_to_escape_1_3_2,}}
_FEATURE_DISPATCH = {'strikethrough': _add_strikethrough,
'italics': _add_italics}
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