vban-cmd-python/examples/gui/__main__.py
onyx-and-iris 405fd7efa4 edit example and readme
edit example and readme
2022-03-05 20:16:28 +00:00

128 lines
4.3 KiB
Python

import tkinter as tk
from tkinter import ttk
from functools import partial
from typing import NamedTuple
import vbancmd
from vbancmd import kinds
class ExampleAppErrors(Exception):
pass
class App(tk.Tk):
""" Topmost Level of App """
@classmethod
def make(cls, kind: NamedTuple):
"""
Factory function for App
Returns an App class of a kind
"""
APP_cls = type(f'App{kind.name}', (cls,), {
'name': kind.name,
'ins': kind.ins,
'outs': kind.outs,
}
)
return APP_cls
def __init__(self):
super().__init__()
self.title(f'Voicemeeter{self.name} Example Program')
self.phys_in, self.virt_in = self.ins
self.col = self.phys_in + self.virt_in
self.row = 3
self.w = {'Basic': 300, 'Banana': 600, 'Potato': 800}
self.h = 150
self.defaultsizes = {
'Basic': f'{self.w[self.name]}x{self.h}',
'Banana': f'{self.w[self.name]}x{self.h}',
'Potato': f'{self.w[self.name]}x{self.h}',
}
self.geometry(self.defaultsizes[self.name])
""" create tkinter variables, generate widgets and configure rows/cols """
self.gains = {
'strip': [tk.DoubleVar() for i in range(self.phys_in + self.virt_in)],
}
self.levels = {
'strip': [tk.DoubleVar() for i in range(self.phys_in + self.virt_in)],
}
[self._make_single_channel(i, j) for i, j in enumerate(i for i in range(0, self.col*2, 2))]
scales = [widget for widget in self.winfo_children() if isinstance(widget, tk.Scale)]
[scale.bind('<Double-Button-1>', partial(self.reset_gain, index=i)) for i, scale in enumerate(scales)]
""" configure grid """
self.col_row_configure()
""" initiate watchers """
[self.watch_levels(i) for i in range(self.col)]
@property
def id_(self):
return 'strip'
def _make_single_channel(self, i, j):
"""
Creates a label, progressbar, scale, and mute
"""
ttk.Label(self, text=f'{vban.strip[i].label}').grid(column=j, row=0, columnspan=2)
ttk.Progressbar(self, maximum=72, orient='vertical', mode='determinate', variable=self.levels[self.id_][i]).grid(column=j, row=1)
ttk.Scale(self, from_=12.0, to=-60.0, orient='vertical', variable=self.gains[self.id_][i],
command=partial(self.scale_callback, index=i)).grid(column=j+1, row=1)
ttk.Button(self, text='MUTE',
command=partial(self.toggle, 'mute', i), style=f'Mute{i}.TButton').grid(column=j, row=2, columnspan=2, sticky=(tk.W, tk.E))
def scale_callback(self, *args, index=None):
""" callback function for scale widgets """
vban.strip[index].gain = self.gains[self.id_][index].get()
def reset_gain(self, *args, index=None):
""" reset gain to 0 when double click mouse """
vban.strip[index].gain = 0
self.gains[self.id_][index].set(0)
def toggle(self, param, index):
""" toggles a strip parameter """
setattr(vban.strip[index], param, not getattr(vban.strip[index], param))
def col_row_configure(self):
[self.columnconfigure(i, weight=1) for i in range(self.col*2)]
[child.grid_configure(padx=1, pady=1)
for child in self.winfo_children()]
def watch_levels(self, i):
self.after(1, self.watch_levels_step, i)
def watch_levels_step(self, i):
val = vban.strip[i].levels.prefader[0] + vban.strip[i].gain
self.levels[self.id_][i].set((0 if vban.strip[i].mute else 100 + (val-30)))
self.after(20, self.watch_levels_step, i)
_apps = {kind.id: App.make(kind) for kind in kinds.all}
def connect(kind_id: str) -> App:
""" return App of the kind requested """
try:
APP_cls = _apps[kind_id]
return APP_cls()
except KeyError:
raise ExampleAppErrors(f'Invalid kind: {kind_id}')
if __name__ == "__main__":
kind_id = 'potato'
opts = {
# make sure VBAN is configured on remote machine then set IP accordingly
'ip': 'ws.local',
'streamname': 'testing',
'port': 6990,
}
with vbancmd.connect(kind_id, **opts) as vban:
app = connect(kind_id)
app.mainloop()