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"""
Send sequences to all open terminals.
"""
import glob
from .settings import CACHE_DIR, OS
from . import util
def set_special(index, color, iterm_name="h"):
"""Convert a hex color to a special sequence."""
alpha = util.Color.alpha_num
if OS == "Darwin":
return f"\033]P{iterm_name}{color.strip('#')}\033\\"
if index in [11, 708] and alpha != 100:
return f"\033]{index};[{alpha}]{color}\007"
return f"\033]{index};{color}\007"
def set_color(index, color):
"""Convert a hex color to a text color sequence."""
if OS == "Darwin":
return f"\033]P{index:x}{color.strip('#')}\033\\"
return f"\033]4;{index};{color}\007"
def set_iterm_tab_color(color):
"""Set iTerm2 tab/window color"""
red, green, blue = util.hex_to_rgb(color)
return [
f"\033]6;1;bg;red;brightness;{red}\a",
f"\033]6;1;bg;green;brightness;{green}\a",
f"\033]6;1;bg;blue;brightness;{blue}\a",
]
def create_sequences(colors, vte):
"""Create the escape sequences."""
# Colors 0-15.
sequences = [set_color(num, col) for num, col in
enumerate(colors["colors"].values())]
# Set a blank color that isn't affected by bold highlighting.
# Used in wal.vim's airline theme.
sequences.append(set_color(66, colors["special"]["background"]))
# Special colors.
# Source: https://goo.gl/KcoQgP
# 10 = foreground, 11 = background, 12 = cursor foregound
# 13 = mouse foreground
sequences.append(set_special(10, colors["special"]["foreground"], "g"))
sequences.append(set_special(11, colors["special"]["background"], "h"))
sequences.append(set_special(12, colors["special"]["cursor"], "l"))
sequences.append(set_special(13, colors["special"]["cursor"], "l"))
if OS == "Darwin":
sequences += set_iterm_tab_color(colors["special"]["background"])
# This escape sequence doesn"t work in VTE terminals.
if not vte:
sequences.append(set_special(708, colors["special"]["background"]))
return "".join(sequences)
def send(colors, vte, cache_dir=CACHE_DIR):
"""Send colors to all open terminals."""
sequences = create_sequences(colors, vte)
if OS == "Darwin":
tty_pattern = "/dev/ttys00[0-9]*"
else:
tty_pattern = "/dev/pts/[0-9]*"
# Writing to "/dev/pts/[0-9] lets you send data to open terminals.
for term in glob.glob(tty_pattern):
util.save_file(sequences, term)
util.save_file(sequences, cache_dir / "sequences")
print("colors: Set terminal colors.")
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