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import curses
from .globals import CURSES_LOCK
_progress = [" "]
for i in range(8):
pos = i // 2
s = _progress[-1]
_progress.append(s[:pos] + ('\u2588' if i%2 else '\u258c') + s[pos+1:])
def get_progress(v):
if v == 0:
return _progress[0]
elif v <= 36:
return _progress[1]
elif v <= 73:
return _progress[2]
elif v <= 109:
return _progress[3]
elif v <= 145:
return _progress[4]
elif v <= 181:
return _progress[5]
elif v <= 218:
return _progress[6]
elif v <= 254:
return _progress[7]
return _progress[8]
class ChannelView:
width = 9
height = 3
def _refresh_channel(self):
with CURSES_LOCK:
self.win.addstr(0, 0, "%03d.%03d" % (self.c.f.id, self.c.id), curses.A_UNDERLINE if self._active else 0)
self.win.refresh()
def _refresh_value(self):
with CURSES_LOCK:
self.win.addstr(1, 0, get_progress(self._value))
self.win.addstr(1, 4, "%03d" % self._value, (curses.A_ITALIC|curses.A_BOLD if self._held else 0))
self.win.refresh()
def refresh(self):
self._refresh_value()
self._refresh_channel()
@property
def active(self):
return self._active
@active.setter
def active(self, v):
if v != self._active:
self._active = v
self._refresh_channel()
@property
def value(self):
return self._value
@value.setter
def value(self, v):
if v != self._value:
self._value = v
self._refresh_value()
@property
def held(self):
return self._held
@held.setter
def held(self, v):
if v != self._held:
self._held = v
self._refresh_value()
def set_pos(self, y, x):
self.y = self.y
self.x = self.x
with CURSES_LOCK:
self.win.refresh()
self.win.mvwin(y, x)
self.refresh()
def __init__(self, root, c, y, x, value=0, held=False, active=False):
self._active = active
self._held = held
self._value = value
self.c = c
self.y = y
self.x = x
self.root = root
with CURSES_LOCK:
self.win = root.subpad(self.height, self.width, self.y, self.x)
self._refresh_value()
self._refresh_channel()
class ChannelBank:
def set_dim(self, height, width):
if ((height-2)//ChannelView.height) * ((width-4)//ChannelView.width) < len(self.scope):
raise NotImplementedError("Screen size to small")
with CURSES_LOCK:
if (height, width) != (self._height, self._width):
self.win.erase()
self.win.refresh()
self.win.resize(height, width)
self.win.redrawwin()
self._height = height
self._width = width
self._refresh_scope()
self._put_title()
self.win.refresh()
def _refresh_scope(self):
with CURSES_LOCK:
self.win.erase()
ncv = {}
cols = (self._width-4)//ChannelView.width
self._sscope = sorted(self.scope, key=lambda a: (a.f.id, a.id))
for n, c in enumerate(self._sscope):
row = (n // cols)*ChannelView.height + 1
col = (n % cols)*ChannelView.width + 2
if c in self._cv:
active = self._cv[c].active
held = self._cv[c].held
value = self._cv[c].value
else:
active = False
held = False
value = 0
ncv[c] = ChannelView(self.win, c, row, col, value=value, active=active, held=held)
self._cv = ncv
self._put_title()
self.win.refresh()
def set_pos(self, y, x):
if (y, x) != (self._y, self._x):
with CURSES_LOCK:
self.win.mvwin(y, x)
self._put_title()
self.win.refresh()
def set_active(self, channels, v=True):
for c in channels:
self._cv[c].active = v
def set_held(self, channels, v=True):
for c in channels:
self._cv[c].held = v
def set_values(self, cv):
for c, v in cv:
self._cv[c].value = v
def set_scope(self, scope):
self.scope = frozenset(scope)
self._refresh_scope()
@property
def title(self):
return self._title
def _put_title(self):
self.win.border()
pos = min(self._width-2-len(self._title), (3*self._width)//4 - (len(self._title) // 2))
self.win.addstr(self._height-1, pos, self._title)
@title.setter
def title(self, v):
if v != self._title:
with CURSES_LOCK:
self._title = v
self.win.border()
self._put_title()
self.win.refresh()
def __init__(self, y, x, height, width, scope=frozenset()):
with CURSES_LOCK:
self.win = curses.newwin(height, width, y, x)
self.win.keypad(True)
self.scope = frozenset(scope)
self._sscope = []
self._title = "Channels"
self._cv = {}
self._height = height
self._width = width
self._y = -1
self._x = -1
self.set_pos(y, x)
self.set_dim(height, width)
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