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import curses
import os
import datetime as dt
import threading
import blc2
from blc2.functions.audio import Audio
from blc2.functions.scene import Scene
from blc2.functions.chaser import Chaser
from blc2.functions.chaserstep import ChaserStep
from blc2.constants import SCENE
from blc2.topology import Fixture
from blc2.workspace import Workspace
from .globals import CURSES_LOCK
from .input.tabcomp import Input
from .channelbank import ChannelBank
from .chaserview import ChaserView
from .pager import Pager
def wrap_curses(f):
def inner(*args, **kwargs):
return curses.wrapper(lambda stdscr: f(*args, stdscr, **kwargs))
return inner
__version__ = "v0.0.1"
class Interface:
@staticmethod
def _compute_sizes(height, width):
hb = height // 2
ht = height - hb
wr = width // 2
wl = width - wr - 1
return (
(ht, width), (0, 0),
(4, wr), (height-4, wl+1),
(hb - 4, wr), (ht, wl+1),
(hb, wl//2 - 1), (ht, 0),
(hb, wl - (wl//2)), (ht, wl//2)
)
def _resize(self):
for a, f in zip(self._compute_sizes(*self.stdscr.getmaxyx()), (self.channel_bank.set_dim, self.channel_bank.set_pos, self.input.set_dim, self.input.set_pos, self.pager.set_dim, self.pager.set_pos, self.chaser_views[0].set_dim, self.chaser_views[0].set_pos, self.chaser_views[1].set_dim, self.chaser_views[1].set_pos)):
f(*a)
@wrap_curses
def main(self, stdscr):
height, width = stdscr.getmaxyx()
self.stdscr = stdscr
cbd, cbp, ind, inp, pgd, pgp, cv0d, cv0p, cv1d, cv1p = self._compute_sizes(height, width)
self.channel_bank = ChannelBank(*cbp, *cbd)
self.input = Input(*inp, *ind)
self.input.context = self.context_base
self.pager = Pager(*pgp, *pgd)
self.chaser_views[0] = ChaserView(*cv0p, *cv0d)
self.chaser_views[1] = ChaserView(*cv1p, *cv1d)
todisp = [
"=== Welcome to BLC2!",
"=== Currently running lib %s, int %s" % (blc2.__version__, __version__),
"",
]
if self._w_created:
todisp.append("Created a new workspace")
else:
todisp.append("Loaded workspace \"%s\" from \"%s\"" % (self.w.name, self.path))
todisp.append("Authored by %s, last modified at %s" % (self.w.author, self.w.modified.strftime("%Y-%m-%d %H:%M:%S")))
self.pager.display_many(todisp)
self.input.main(self._resize)
def base_edit(self, fid):
with self.w_lock:
if fid not in self.w.functions:
return "No such function"
f = self.w.functions[fid]
if f.type != SCENE:
## FIXME
return "Can only edit scenes so far"
with CURSES_LOCK:
self.primitive = f
self.channel_bank.set_scope(f.scope)
self.channel_bank.set_values(f.values.items())
self.channel_bank.title = f.type + ' "%s"' % f.name
self.input.context = self.context_scene
def base_delete(self, fid):
with self.w_lock:
if fid not in self.w.functions:
return "No such function"
f = self.w.functions[fid]
f.delete()
def base_new_scene(self, name):
with self.w_lock:
f = Scene(self.w, name=name)
self.base_edit(f.id)
def _gather_channels(self, cr):
with self.w_lock:
## Gather the affected channels
channels = []
for f in self.w.fixtures.values():
for s, e in cr[0]:
if (s <= f.id <= e) or (e == -1 and f.id >= s):
break
else:
continue
for n, c in enumerate(f.channels, 1):
for s, e in cr[1]:
if (s <= n <= e) or (e == -1 and n >= s):
channels.append(c)
break
return channels
def scene_set(self, cr, v):
with self.w_lock:
channels = self._gather_channels(cr)
## Set the values
self.primitive.update({c: v for c in channels})
## Update the display
self.channel_bank.set_scope(self.primitive.scope)
if v is not None:
self.channel_bank.set_values(((c, v) for c in channels))
def scene_clear(self, cr):
self.scene_set(cr, None)
def scene_exit(self):
self.input.context = self.context_base
self.primitive = None
self.channel_bank.set_scope(())
self.channel_bank.title = "Channels"
def base_save(self, path=None):
with self.w_lock:
if path is not None:
self.path = path
if self.path is None:
return "No path set"
self.w.modified = dt.datetime.now()
self.w.save(self.path)
return "Saved to "+self.path
def base_quit(self):
quit()
def list_fixtures(self):
with self.w_lock:
td = ["FIXTURES:"]
for f in sorted(self.w.fixtures.values(), key=lambda a: a.id):
td.append("- %03d: %s" % (f.id, f.name))
for c in f.channels:
td.append(" %03d-%03d: %s" % (f.id, c.id, c.name))
self.pager.display_many(td, split=True)
def list_functions(self, typ):
with self.w_lock:
td = [typ.upper()+"S:"]
for f in sorted(self.w.functions.values(), key=lambda a: a.id):
if f.type == typ:
td.append("- %03d: %s" % (f.id, f.name))
self.pager.display_many(td, split=True)
def page(self):
self.pager.user_page()
def page_clear(self):
self.pager.clear()
def help(self, name, commands, help_):
if name is None:
dname = "MODE HELP:"
else:
dname = name.upper() + " COMMAND:"
todisp = [dname, ""]
if commands:
if name is None:
todisp.append("Available commands:")
else:
todisp.append("Available forms:")
todisp.extend(("- "+i for i in commands))
todisp.append("")
todisp.extend(help_.split('\n'))
self.pager.display_many(todisp, split=True)
def __init__(self, path):
## Have to do most of the actual initialization in the main method, as curses isn't
## ready yet.
self.channel_bank = None
self.input = None
self.pager = None
self.stdscr = None
self.primitive = None
self.chasers = []
self.path = path
self._w_created = False
if path is None or not os.path.isfile(path):
self.w = Workspace("", "", 0, dt.datetime.now())
self._w_created = True
else:
self.w = Workspace.load(path)
self.w_lock = threading.RLock()
self.chaser_views = [None, None]
self.context_base = Input.parse_context((
("edit $num", self.base_edit),
("delete $num", self.base_delete),
("new scene $quoted_string", self.base_new_scene),
("save", self.base_save),
("save $quoted_string", self.base_save),
("list fixtures", self.list_fixtures),
("list scenes", lambda: self.list_functions(SCENE)),
("page", self.page),
("clrpage", self.page_clear),
("quit", self.base_quit),
), {
None: "This is the base edit mode for editing functions.",
"edit": "Edit the specified function.",
"delete": "Delete the specified function.",
"new": "Create a new function of the given type.",
"save": "Save the workspace. The path is implicitly the one loaded from if not given.",
"list": "List available fixtures or functions.",
"page": "Page through the output window. Arrow keys, page up/down, home/end, and j/k can be used to scroll, q exits.",
"clrpage": "Clear the output window.",
"quit": "Exit BLC."
}, self.help)
self.context_scene = Input.parse_context((
("set $channel_range to $value", self.scene_set),
("reset $channel_range", self.scene_clear),
("list fixtures", self.list_fixtures),
("list scenes", lambda: self.list_functions(SCENE)),
("page", self.page),
("clrpage", self.page_clear),
("quit", self.scene_exit),
), {
None: "This mode is for editing scene primitives for fixed lighting.",
"set": "Set the given channel range to the given value (0 <= value <= 255).",
"reset": "Remove the given channel range from the scene",
"list": "List available fixtures or functions.",
"page": "Page through the output window. Arrow keys, page up/down, home/end, and j/k can be used to scroll, q exits.",
"clrpage": "Clear the output window.",
"quit": "Return to the previous mode."
}, self.help)
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