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bitcoind-ncurses2/footer.py

66 lines
1.8 KiB
Python

# Copyright (c) 2014-2017 esotericnonsense (Daniel Edgecumbe)
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://opensource.org/licenses/mit-license.php
import curses
from macros import MODES
class FooterView(object):
def __init__(self):
self._pad = None
self._mode = None
self._dt = None
self._callbacks = set()
def add_callback(self, callback):
self._callbacks.add(callback)
def draw(self):
# TODO: figure out window width etc.
if self._pad is None:
self._pad = curses.newpad(2, 100)
else:
self._pad.clear()
CYELLOW = curses.color_pair(5)
CREVERSE = curses.A_REVERSE
x = 1
for mode_string in MODES:
first_char, rest = mode_string[0], mode_string[1:]
modifier = curses.A_BOLD
if self._mode == mode_string:
# first_char = first_char.upper()
modifier += CREVERSE
self._pad.addstr(0, x, first_char, modifier + CYELLOW)
self._pad.addstr(0, x+1, rest, modifier)
x += len(mode_string) + 4
if self._dt:
self._pad.addstr(0, 81, self._dt.isoformat(timespec="seconds")[:19])
self._pad.refresh(0, 0, 25, 0, 27, 100)
async def on_mode_change(self, newmode, seek=None):
if seek is not None:
assert newmode is None
if self._mode is None:
return
idx = MODES.index(self._mode)
idx = (idx + seek) % len(MODES)
newmode = MODES[idx]
self._mode = newmode
self.draw()
for callback in self._callbacks:
await callback(newmode)
async def on_tick(self, dt):
self._dt = dt
self.draw()