import tkinter as tk from tkinter import ttk from . import builders from .data import _base_values, _configuration class GainLayer(ttk.LabelFrame): """Concrete class representing a single gainlayer""" def __init__(self, parent, index, j): super().__init__(parent) self.parent = parent self.index = index self.j = j self.styletable = self.parent.parent.styletable if index <= parent.phys_in: self.level_offset = index * 2 else: self.level_offset = parent.phys_in * 2 + (index - parent.phys_in) * 8 self.builder = builders.ChannelLabelFrameBuilder(self, index, id="gainlayer") self.builder.setup() self.builder.add_progressbar() self.builder.add_scale() self.builder.add_gain_label() self.builder.add_on_button() self.sync_params() self.sync_labels() self.grid_configure() @property def target(self): """returns the strip[i].gainlayer class in the current interface""" _target = self.parent.target return _target.strip[self.index].gainlayer[self.j] @property def identifier(self): return "gainlayer" def getter(self, param): try: return getattr(self.target, param) except AttributeError as e: self.logger(f"{type(e).__name__}: {e}") def setter(self, param, value): if param in dir(self.target): # avoid calling getattr (with hasattr) setattr(self.target, param, value) def reset_gain(self, *args): self.setter("gain", 0) self.gain.set(0) self.gainlabel.set(self.gain.get()) def scale_callback(self, *args): """callback function for scale widget""" val = round(self.gain.get(), 1) self.setter("gain", val) self.gainlabel.set(val) def scale_press(self, *args): self.after(1, self.remove_events) def remove_events(self): self.parent.target.event.remove("pdirty") self.parent.target.event.remove("ldirty") def scale_release(self, *args): _base_values.run_update = False self.after(1, self.add_events) def add_events(self): self.parent.target.event.add("pdirty") self.parent.target.event.add("ldirty") self.after(500, self.resume_updates) def resume_updates(self): _base_values.run_update = True def _on_mousewheel(self, event): _base_values.run_update = False self.gain.set( self.gain.get() + ( _configuration.mwscroll_step if event.delta > 0 else -_configuration.mwscroll_step ) ) if self.gain.get() > 12: self.gain.set(12) elif self.gain.get() < -60: self.gain.set(-60) self.setter("gain", self.gain.get()) self.after(1, self.resume_updates) def set_on(self): """enables a gainlayer. sets its button colour""" setattr( self.parent.target.strip[self.index], self.parent.buses[self.j], self.on.get(), ) if not _configuration.themes_enabled: self.styletable.configure( f"{self.identifier}On{self.index}.TButton", background=f'{"green" if self.on.get() else "white"}', ) def on_update(self, subject): if subject == "ldirty": self.upd_levels() elif subject == "pdirty": self.sync_params() elif subject == "labelframe": self.after(5, self.sync_labels) def sync_params(self): self.gain.set(self.getter("gain")) self.gainlabel.set(round(self.gain.get(), 1)) self.on.set( getattr( self.parent.target.strip[self.index], self.parent.buses[self.j], ) ) if not _configuration.themes_enabled: self.styletable.configure( f"{self.identifier}On{self.index}.TButton", background=f'{"green" if self.on.get() else "white"}', ) def sync_labels(self): """sync params with voicemeeter""" retval = self.parent.target.strip[self.index].label if len(retval) > 10: retval = f"{retval[:8]}.." if not retval: self.parent.columnconfigure(self.index, minsize=0) self.parent.parent.subject.remove(self) self.grid_remove() else: self.parent.parent.subject.add(self) self.grid() self.configure(text=retval) def upd_levels(self): """ Updates level values. """ if self.parent.target.strip[self.index].levels.is_updated: val = max(self.parent.target.strip[self.index].levels.prefader) self.level.set( ( 0 if self.parent.parent.strip_frame.strips[self.index].mute.get() or not self.on.get() else 72 + val - 12 + self.gain.get() ) ) def grid_configure(self): self.grid(padx=_configuration.channel_xpadding, sticky=(tk.N, tk.S)) [ child.grid_configure(padx=1, pady=1, sticky=(tk.N, tk.S, tk.W, tk.E)) for child in self.winfo_children() if isinstance(child, ttk.Checkbutton) ] [ child.grid_configure(padx=1, pady=1, sticky=(tk.N, tk.S)) for child in self.winfo_children() if isinstance(child, ttk.Progressbar) or isinstance(child, ttk.Scale) ] # pb and scale self.columnconfigure(0, minsize=36) self.columnconfigure(1, minsize=36) # on button if _configuration.themes_enabled: self.rowconfigure(2, minsize=70) else: self.rowconfigure(2, minsize=55) class SubMixFrame(ttk.Frame): def __init__(self, parent): super().__init__(parent) self.parent = parent self.phys_in, self.virt_in = parent.kind.ins self.phys_out, self.virt_out = parent.kind.outs self.buses = tuple(f"A{i+1}" for i in range(self.phys_out)) + tuple( f"B{i+1}" for i in range(self.virt_out) ) self.gainlayers = [ GainLayer(self, index, _configuration.submixes) for index in range(8) ] for i, labelframe in enumerate(self.labelframes): labelframe.grid(row=0, column=i) if not self.target.strip[i].label: self.columnconfigure(i, minsize=0) labelframe.grid_remove() if _configuration.extends_horizontal: self.grid(row=0, column=2) if parent.bus_frame: parent.bus_frame.grid_remove() else: if parent.bus_frame and parent.bus_frame.grid_info(): self.grid( row=parent.bus_frame.grid_info()["row"], column=0, sticky=(tk.W) ) parent.bus_frame.grid_remove() else: self.grid(row=2, column=0, sticky=(tk.W)) self.grid_configure() """ Grids each labelframe, grid_removes any without a label """ for i, labelframe in enumerate(self.labelframes): labelframe.grid(row=0, column=i) if not self.target.strip[i].label: self.columnconfigure(i, minsize=0) labelframe.grid_remove() self.parent.subject.add(self) @property def target(self): """returns the current interface""" return self.parent.target @property def labelframes(self): """returns a tuple of current gainlayer labelframe addresses""" return tuple( frame for frame in self.winfo_children() if isinstance(frame, ttk.LabelFrame) ) def on_update(self, subject): if subject == "pdirty": for labelframe in self.labelframes: labelframe.on_update("labelframe") def grid_configure(self): [ self.columnconfigure(i, minsize=_configuration.channel_width) for i, _ in enumerate(self.labelframes) ] [ self.rowconfigure(0, minsize=_configuration.channel_height) for i, _ in enumerate(self.labelframes) ] def teardown(self): # deregisters submixframe as pdirty observer [self.parent.subject.remove(frame) for frame in self.gainlayers] self.parent.subject.remove(self) self.destroy()