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Merge branch 'coloring' into olm-command

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This commit is contained in:
Damir Jelić 2019-01-13 13:45:42 +01:00
commit 062a736217
5 changed files with 239 additions and 54 deletions
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11
matrix/buffer.py
View file

@ -54,7 +54,12 @@ from .colors import Formatted
from .config import RedactType
from .globals import SCRIPT_NAME, SERVERS, W, TYPING_NOTICE_TIMEOUT
from .utf import utf8_decode
from .utils import server_ts_to_weechat, shorten_sender, string_strikethrough
from .utils import (
server_ts_to_weechat,
shorten_sender,
string_strikethrough,
color_pair,
)
@attr.s
@ -1445,7 +1450,9 @@ class RoomBuffer(object):
"message{del_color}>{ncolor}").format(
del_color=W.color("chat_delimiters"),
ncolor=W.color("reset"),
error_color=W.color(G.CONFIG.color.error_message))
error_color=W.color(color_pair(
G.CONFIG.color.error_message_fg,
G.CONFIG.color.error_message_bg)))
last_line.message = message

132
matrix/colors.py
View file

@ -30,12 +30,16 @@ from typing import List
import webcolors
from pygments import highlight
from pygments.formatter import Formatter, get_style_by_name
from pygments.lexers import get_lexer_by_name, guess_lexer
from pygments.lexers import get_lexer_by_name
from pygments.util import ClassNotFound
from . import globals as G
from .globals import W
from .utils import string_strikethrough
from .utils import (string_strikethrough,
string_color_and_reset,
color_pair,
text_block,
colored_text_block)
try:
from HTMLParser import HTMLParser
@ -59,10 +63,12 @@ class Formatted(object):
@property
def textwrapper(self):
quote_pair = color_pair(G.CONFIG.color.quote_fg,
G.CONFIG.color.quote_bg)
return textwrap.TextWrapper(
width=67,
initial_indent="{}> ".format(W.color(G.CONFIG.color.quote)),
subsequent_indent="{}> ".format(W.color(G.CONFIG.color.quote)),
initial_indent="{}> ".format(W.color(quote_pair)),
subsequent_indent="{}> ".format(W.color(quote_pair)),
)
def is_formatted(self):
@ -271,7 +277,7 @@ class Formatted(object):
def to_weechat(self):
# TODO BG COLOR
def add_attribute(string, name, value):
def add_attribute(string, name, value, attributes):
if not value:
return string
elif name == "bold":
@ -299,20 +305,49 @@ class Formatted(object):
W.string_remove_color(string.replace("\n", ""), "")
)
elif name == "code":
try:
lexer = get_lexer_by_name(value)
except ClassNotFound:
lexer = guess_lexer(string)
code_color_pair = color_pair(
G.CONFIG.color.untagged_code_fg,
G.CONFIG.color.untagged_code_bg
)
try:
style = get_style_by_name(G.CONFIG.look.pygments_style)
except ClassNotFound:
style = "native"
margin = G.CONFIG.look.code_block_margin
# highlight adds a newline to the end of the string, remove it
# from the output
return highlight(string, lexer,
WeechatFormatter(style=style))[:-1]
if attributes["preformatted"]:
# code block
try:
lexer = get_lexer_by_name(value)
except ClassNotFound:
if G.CONFIG.look.code_blocks:
return colored_text_block(
string,
margin=margin,
color_pair=code_color_pair)
else:
return string_color_and_reset(string,
code_color_pair)
try:
style = get_style_by_name(G.CONFIG.look.pygments_style)
except ClassNotFound:
style = "native"
if G.CONFIG.look.code_blocks:
code_block = text_block(string, margin=margin)
else:
code_block = string
# highlight adds a newline to the end of the string, remove
# it from the output
highlighted_code = highlight(
code_block,
lexer,
WeechatFormatter(style=style)
).rstrip()
return highlighted_code
else:
return string_color_and_reset(string, code_color_pair)
elif name == "fgcolor":
return "{color_on}{text}{color_off}".format(
color_on=W.color(value),
@ -337,7 +372,10 @@ class Formatted(object):
# terminal, but doing it the other way around results in garbage.
if "strikethrough" in attributes:
text = add_attribute(
text, "strikethrough", attributes["strikethrough"]
text,
"strikethrough",
attributes["strikethrough"],
attributes
)
attributes.pop("strikethrough")
@ -345,19 +383,26 @@ class Formatted(object):
return prefix + text.replace("\n", "\n{}".format(prefix))
for key, value in attributes.items():
# Don't use textwrap to quote the code
if attributes["code"] and key == "quote" and value:
if not value:
continue
text = add_attribute(text, key, value)
# Don't use textwrap to quote the code
if key == "quote" and attributes["code"]:
continue
# Reflow inline code blocks
if key == "code" and not attributes["preformatted"]:
text = text.strip().replace('\n', ' ')
text = add_attribute(text, key, value, attributes)
# If we're quoted code add quotation marks now.
if attributes["quote"] and key == "code" and value:
if key == "code" and attributes["quote"]:
fg = G.CONFIG.color.quote_fg
bg = G.CONFIG.color.quote_bg
text = indent(
text,
"{}>{} ".format(
W.color(G.CONFIG.color.quote), W.color("reset")
),
string_color_and_reset(">", color_pair(fg, bg)) + " ",
)
# If we're code don't remove multiple newlines blindly
@ -382,6 +427,7 @@ DEFAULT_ATTRIBUTES = {
"italic": False,
"underline": False,
"strikethrough": False,
"preformatted": False,
"quote": False,
"code": None,
"fgcolor": None,
@ -430,6 +476,8 @@ class MatrixHtmlParser(HTMLParser):
self._toggle_attribute("strikethrough")
elif tag == "blockquote":
self._toggle_attribute("quote")
elif tag == "pre":
self._toggle_attribute("preformatted")
elif tag == "code":
lang = None
@ -480,6 +528,8 @@ class MatrixHtmlParser(HTMLParser):
self._toggle_attribute("underline")
elif tag == "del":
self._toggle_attribute("strikethrough")
elif tag == "pre":
self._toggle_attribute("preformatted")
elif tag == "code":
if self.text:
self.add_substring(self.text, self.attributes.copy())
@ -624,20 +674,20 @@ def color_line_to_weechat(color_string):
return line_colors[color_string]
# The functions colour_dist_sq(), colour_to_6cube(), and colour_find_rgb
# The functions color_dist_sq(), color_to_6cube(), and color_find_rgb
# are python ports of the same named functions from the tmux
# source, they are under the copyright of Nicholas Marriott, and Avi Halachmi
# under the ISC license.
# More info: https://github.com/tmux/tmux/blob/master/colour.c
def colour_dist_sq(R, G, B, r, g, b):
def color_dist_sq(R, G, B, r, g, b):
# pylint: disable=invalid-name,too-many-arguments
# type: (int, int, int, int, int, int) -> int
return (R - r) * (R - r) + (G - g) * (G - g) + (B - b) * (B - b)
def colour_to_6cube(v):
def color_to_6cube(v):
# pylint: disable=invalid-name
# type: (int) -> int
if v < 48:
@ -647,15 +697,15 @@ def colour_to_6cube(v):
return (v - 35) // 40
def colour_find_rgb(r, g, b):
def color_find_rgb(r, g, b):
# type: (int, int, int) -> int
"""Convert an RGB triplet to the xterm(1) 256 colour palette.
"""Convert an RGB triplet to the xterm(1) 256 color palette.
xterm provides a 6x6x6 colour cube (16 - 231) and 24 greys (232 - 255).
We map our RGB colour to the closest in the cube, also work out the
xterm provides a 6x6x6 color cube (16 - 231) and 24 greys (232 - 255).
We map our RGB color to the closest in the cube, also work out the
closest grey, and use the nearest of the two.
Note that the xterm has much lower resolution for darker colours (they
Note that the xterm has much lower resolution for darker colors (they
are not evenly spread out), so our 6 levels are not evenly spread: 0x0,
0x5f (95), 0x87 (135), 0xaf (175), 0xd7 (215) and 0xff (255). Greys are
more evenly spread (8, 18, 28 ... 238).
@ -664,15 +714,15 @@ def colour_find_rgb(r, g, b):
q2c = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
# Map RGB to 6x6x6 cube.
qr = colour_to_6cube(r)
qg = colour_to_6cube(g)
qb = colour_to_6cube(b)
qr = color_to_6cube(r)
qg = color_to_6cube(g)
qb = color_to_6cube(b)
cr = q2c[qr]
cg = q2c[qg]
cb = q2c[qb]
# If we have hit the colour exactly, return early.
# If we have hit the color exactly, return early.
if cr == r and cg == g and cb == b:
return 16 + (36 * qr) + (6 * qg) + qb
@ -686,10 +736,10 @@ def colour_find_rgb(r, g, b):
grey = 8 + (10 * grey_idx)
# Is grey or 6x6x6 colour closest?
d = colour_dist_sq(cr, cg, cb, r, g, b)
# Is grey or 6x6x6 color closest?
d = color_dist_sq(cr, cg, cb, r, g, b)
if colour_dist_sq(grey, grey, grey, r, g, b) < d:
if color_dist_sq(grey, grey, grey, r, g, b) < d:
idx = 232 + grey_idx
else:
idx = 16 + (36 * qr) + (6 * qg) + qb
@ -728,7 +778,7 @@ def color_html_to_weechat(color):
if rgb_color in weechat_basic_colors:
return weechat_basic_colors[rgb_color]
return str(colour_find_rgb(*rgb_color))
return str(color_find_rgb(*rgb_color))
def color_weechat_to_html(color):

85
matrix/config.py
View file

@ -497,6 +497,27 @@ class MatrixConfig(WeechatConfig):
"native",
"Pygments style to use for highlighting source code blocks",
),
Option(
"code_blocks",
"boolean",
"",
0,
0,
"on",
("Display preformatted code blocks as rectangular areas by "
"padding them with whitespace up to the length of the longest "
"line (with optional margin)"),
),
Option(
"code_block_margin",
"integer",
"",
0,
100,
"2",
("Number of spaces to add as a margin around around a code "
"block"),
),
]
network_options = [
@ -643,34 +664,80 @@ class MatrixConfig(WeechatConfig):
color_options = [
Option(
"quote",
"quote_fg",
"color",
"",
0,
0,
"lightgreen",
("Color for matrix style blockquotes"),
"Foreground color for matrix style blockquotes",
),
Option(
"error_message",
"quote_bg",
"color",
"",
0,
0,
"default",
"Background counterpart of quote_fg",
),
Option(
"error_message_fg",
"color",
"",
0,
0,
"darkgray",
("Color for error messages that appear inside a room buffer ("
"e.g. when a message errors out when sending or when a "
"message is redacted)"),
("Foreground color for error messages that appear inside a "
"room buffer (e.g. when a message errors out when sending or "
"when a message is redacted)"),
),
Option(
"unconfirmed_message",
"error_message_bg",
"color",
"",
0,
0,
"default",
"Background counterpart of error_message_fg.",
),
Option(
"unconfirmed_message_fg",
"color",
"",
0,
0,
"darkgray",
("Color for messages that are printed out but the server "
"hasn't confirmed the that he received them."),
("Foreground color for messages that are printed out but the "
"server hasn't confirmed the that he received them."),
),
Option(
"unconfirmed_message_bg",
"color",
"",
0,
0,
"default",
"Background counterpart of unconfirmed_message_fg."
),
Option(
"untagged_code_fg",
"color",
"",
0,
0,
"blue",
("Foreground color for code without a language specifier. "
"Also used for `inline code`."),
),
Option(
"untagged_code_bg",
"color",
"",
0,
0,
"default",
"Background counterpart of untagged_code_fg",
),
]

3
matrix/server.py
View file

@ -885,7 +885,8 @@ class MatrixServer(object):
plain_message = message.formatted_message.to_weechat()
plain_message = W.string_remove_color(plain_message, "")
attributes = DEFAULT_ATTRIBUTES.copy()
attributes["fgcolor"] = G.CONFIG.color.unconfirmed_message
attributes["fgcolor"] = G.CONFIG.color.unconfirmed_message_fg
attributes["bgcolor"] = G.CONFIG.color.unconfirmed_message_bg
new_formatted = Formatted([FormattedString(
plain_message,
attributes

62
matrix/utils.py
View file

@ -14,7 +14,7 @@
# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
from __future__ import unicode_literals
from __future__ import unicode_literals, division
import time
from typing import Any, Dict, List
@ -105,3 +105,63 @@ def shorten_sender(sender):
def string_strikethrough(string):
return "".join(["{}\u0336".format(c) for c in string])
def string_color_and_reset(string, color):
"""Color string with color, then reset all attributes."""
lines = string.split('\n')
lines = ("{}{}{}".format(W.color(color), line, W.color("reset"))
for line in lines)
return "\n".join(lines)
def string_color(string, color):
"""Color string with color, then reset the color attribute."""
lines = string.split('\n')
lines = ("{}{}{}".format(W.color(color), line, W.color("resetcolor"))
for line in lines)
return "\n".join(lines)
def color_pair(color_fg, color_bg):
"""Make a color pair from a pair of colors."""
if color_bg:
return "{},{}".format(color_fg, color_bg)
else:
return color_fg
def text_block(text, margin=0):
"""
Pad block of text with whitespace to form a regular block, optionally
adding a margin.
"""
# add vertical margin
vertical_margin = margin // 2
text = "{}{}{}".format(
"\n" * vertical_margin,
text,
"\n" * vertical_margin
)
lines = text.split("\n")
longest_len = max(len(l) for l in lines) + margin
# pad block and add horizontal margin
text = "\n".join(
"{pre}{line}{post}".format(
pre=" " * margin,
line=l,
post=" " * (longest_len - len(l)))
for l in lines)
return text
def colored_text_block(text, margin=0, color_pair=""):
""" Like text_block, but also colors it."""
return string_color_and_reset(text_block(text, margin=margin), color_pair)