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patch_display.py
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/
patch_display.py
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#! /usr/bin/env python
'''
patch_display.py
PatchDisplay class captures display information for a patch:
a subset of the layers and objects in the app window
Copyright (c) Bill Gribble <grib@billgribble.com>
'''
from ..gui_main import MFPGUI
from .layer import Layer
from mfp import log
class PatchDisplay (object):
display_type = "patch"
def __init__(self, window, x, y):
self.app_window = window
self.obj_id = None
self.obj_type = None
self.obj_args = None
self.obj_name = None
self.context_name = None
self.deletable = True
self.last_filename = None
self.layers = []
self.scopes = []
self.app_window.add_patch(self)
# FIXME move to backend
self.layer_view = self.app_window.backend.layer_view
self.object_view = self.app_window.backend.object_view
self.layer_view.insert(self, None)
self.object_view.insert(self, None)
@classmethod
def get_factory(cls):
return cls
@classmethod
def build(cls, *args, **kwargs):
return cls.get_factory()(*args, **kwargs)
async def update(self):
pass
def has_scope(self, scope_name):
# FIXME - needs scopes for objects in scopes-not-default-for-layers
return scope_name in [ll.scope for ll in self.layers]
def synced_params(self):
return dict(display_type=self.display_type, name=self.obj_name,
layers=[(ll.name, ll.scope) for ll in self.layers])
def send_params(self, **extras):
prms = self.synced_params()
for k, v in extras.items():
prms[k] = v
if self.obj_id is not None:
MFPGUI().async_task(MFPGUI().mfp.set_params(self.obj_id, prms))
def find_layer(self, layer):
for ll in self.layers:
if ll.name == layer:
return ll
return None
async def configure(self, params):
self.num_inlets = params.get("num_inlets")
self.num_outlets = params.get("num_outlets")
self.dsp_inlets = params.get("dsp_inlets")
self.dsp_outlets = params.get("dsp_outlets")
self.obj_name = params.get("name")
self.context_name = params.get("dsp_context")
self.deletable = params.get("deletable", True)
layers = params.get("layers", [])
newlayers = []
for name, scope in layers:
layer = self.find_layer(name)
if layer is None:
layer = Layer(self.app_window, self, name, scope)
newlayers.append(layer)
self.layers = newlayers
self.scopes = []
for layer in self.layers:
if not self.layer_view.in_tree(layer):
self.layer_view.insert(layer, self)
if layer.scope not in self.scopes:
self.scopes.append(layer.scope)
for s in self.scopes:
if not self.object_view.in_tree((s, self)):
self.object_view.insert((s, self), self)
self.app_window.refresh(self)
async def delete(self, delete_obj=True):
if self.obj_id is None:
return
# delete all the processor elements
for layer in self.layers:
to_delete = [o for o in layer.objects]
for o in to_delete:
await o.delete(delete_obj=delete_obj)
layer.hide()
layer.delete()
# remove the patch from layers and objects lists
self.object_view.remove(self)
self.layer_view.remove(self)
# last, delete the patch on the control side
to_delete = self.obj_id
self.obj_id = None
if delete_obj and to_delete is not None:
await MFPGUI().mfp.delete(to_delete)