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#!/usr/bin/env python3
import curses
import math
import threading
from blc2.constants import INFTY, MANUAL, JOIN, CHASERSTEP
CURSES_LOCK = threading.RLock()
def format_time(n):
if n == INFTY:
return "∞s"
elif n == 0:
return "0s"
postfixes = "mcisahkegtp"
idx = 0
multiple = 10
while n >= multiple:
idx += 1
multiple *= 10
return str(n)[0]+postfixes[idx]
def format_long(n):
if n == INFTY:
return " ∞s"
elif n == 0:
return " 0s"
elif n < 10000:
return "%4d" % n
else:
n = str(n/1000)[:3]
if n[-1] == '.':
n = n[:-1]
return "%4s" % n
class ChaserView:
def set_dim(self, height, width):
if height < 5 or width < 10:
raise ValueError("Size too small")
with self._lock:
if (height, width) != (self._height, self._width):
self.win.erase()
self.win.noutrefresh()
self.win.resize(height, width)
self.win.redrawwin()
self._height = height
self._width = width
self._redraw()
@staticmethod
def fit(s, l, pad=False):
## TODO: Try shortening by words first?
if len(s) > l:
return s[:l-1] + '…'
elif len(s) < l and pad:
return s + ' '*(l-len(s))
return s
def set_pos(self, y, x):
with self._lock:
if (y, x) != (self._y, self._x):
self.win.mvwin(y, x)
self._y = y
self._x = x
self.win.noutrefresh()
@property
def highlight(self):
return self._highlight
@highlight.setter
def highlight(self, value):
with self._lock:
if self._highlight != value:
self._highlight = value
self._redraw()
def _redraw(self):
self.win.erase()
self.win.border()
self.win.hline(2, 1, curses.ACS_HLINE, self._width-2)
self.win.addch(2, 0, curses.ACS_LTEE)
self.win.addch(2, self._width-1, curses.ACS_RTEE)
if self._chaser is None:
self.win.refresh()
return
c = self._chaser
w = self._width - 2
self.win.addstr(1, 1, self.fit(("%d: "% c.id) + c.name + " (%s)" % ("Join" if c.type == JOIN else c.advance_mode), w, True), curses.A_REVERSE if self._highlight else 0)
maxsteps = self._height - 4
first = 0
if maxsteps < len(c.steps):
if self._selected is None:
first = 0
last = maxsteps
else:
last = min(self._selected + (maxsteps // 2), len(c.steps))
first = last - maxsteps
if first < 0:
last -= first
first = 0
else:
first = 0
last = len(c.steps)
steps = c.steps[first:last]
for n, s in enumerate(steps, 1):
if first+n-1 == self._selected:
attrs = curses.A_REVERSE
else:
attrs = 0
if s.type == CHASERSTEP and s.function is not None:
ft = s.function.type[0].upper()
fid = str(s.function.id)
elif s.type != CHASERSTEP:
ft = s.type[0].upper()
fid = str(s.id)
else:
ft = "-"
fid = "---"
t = "%s%3s%s|%s:%s:%s" % (ft, fid, '*' if (s.type == CHASERSTEP and s.duration_mode == MANUAL) else ' ', format_long(s.fade_in), format_long(s.duration if s.type != CHASERSTEP else s.length), format_long(s.fade_out))
self.win.addstr(n+2, 1, self.fit((self._numformat % (first+n)) + ": " + s.name, w-len(t), pad=True)+t, attrs)
if first > 0:
self.win.addch(2, self._width//2, '⯅')
if last < len(c.steps):
self.win.addch(self._height-1, self._width//2, '⯆')
self.win.refresh()
@property
def selected(self):
with self._lock:
return self._selected
@selected.setter
def selected(self, value):
with self._lock:
if value != self._selected:
self._selected = value
## TODO: Clean this up if possible?
self._redraw()
def set_chaser(self, chaser, selected=None):
with self._lock:
self._chaser = chaser
self._selected = selected
if chaser is not None and chaser.steps:
self._numformat = "%%%dd" % math.ceil(math.log10(len(chaser.steps)))
self._redraw()
@property
def chaser(self):
with self._lock:
return self._chaser
def __init__(self, y, x, height, width):
with CURSES_LOCK:
self.win = curses.newwin(height, width, y, x)
self.win.leaveok(True)
self.win.keypad(True)
self._lock = threading.RLock()
self._height = height
self._width = width
self._y = -1
self._x = -1
self._chaser = None
self._highlight = False
self._numformat = ""
self._selected = -1
self.set_pos(y, x)
self.set_dim(height, width)
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