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bitcoind-ncurses2/footer.py

80 lines
2.2 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, MIN_WINDOW_SIZE
from util import isoformatseconds
class FooterView(object):
def __init__(self):
self._pad = None
self._mode = None
self._dt = None
self._window_size = MIN_WINDOW_SIZE
self._visible = False
async 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)
CBOLD = curses.A_BOLD
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) + 5
if self._dt:
self._pad.addstr(0, 81, isoformatseconds(self._dt)[:19], CYELLOW + CBOLD)
await self._draw_pad_to_screen()
async def draw(self):
if self._mode is not None and self._mode != "splash":
await self._draw()
async def _draw_pad_to_screen(self):
maxy, maxx = self._window_size
if maxy < 5 or maxx < 3:
# Can't do it
return
self._pad.refresh(0, 0, maxy-2, 0, maxy, min(maxx-1, 100))
async def on_mode_change(self, newmode):
if self._mode == newmode:
return
self._mode = newmode
await self.draw()
async def on_tick(self, dt):
self._dt = dt
await self.draw()
async def on_window_resize(self, y, x):
# At the moment we ignore the x size and limit to 100.
if y > self._window_size[0] and self._pad:
self._pad.clear()
await self._draw_pad_to_screen()
self._window_size = (y, x)
await self.draw()