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# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors
# This file is part of Power Sequencer.
import bpy
from .utils.global_settings import SequenceTypes
from .utils.doc import doc_name, doc_idname, doc_brief, doc_description
class POWER_SEQUENCER_OT_toggle_waveforms(bpy.types.Operator):
"""
*brief* Toggle audio waveforms
Toggle drawing of waveforms for selected strips or for all audio strips if no selection
is active.
"""
doc = {
"name": doc_name(__qualname__),
"demo": "https://i.imgur.com/HJ5ryhv.gif",
"description": doc_description(__doc__),
"shortcuts": [({"type": "W", "value": "PRESS", "alt": True}, {}, "Toggle Waveforms")],
"keymap": "Sequencer",
}
bl_idname = doc_idname(__qualname__)
bl_label = doc["name"]
bl_description = doc_brief(doc["description"])
bl_options = {"REGISTER", "UNDO"}
mode: bpy.props.EnumProperty(
items=[
("auto", "Auto", "Automatically toggle the waveform"),
("on", "On", "Make the waveforms visible"),
("off", "Off", "Make the waveforms invisible"),
],
name="Waveform visibility",
description="Force the waveforms' visibility with On or Off, \
or let Blender choose automatically",
default="auto",
)
@classmethod
def poll(cls, context):
return context.selected_sequences
def execute(self, context):
selection = context.selected_sequences
if not selection:
selection = context.sequences
sequences = [s for s in selection if s.type in SequenceTypes.SOUND]
if not sequences:
self.report({"ERROR_INVALID_INPUT"}, "Select at least one sound strip")
return {"CANCELLED"}
show_waveform = None
if self.mode == "auto":
from operator import attrgetter
show_waveform = not sorted(sequences, key=attrgetter("frame_final_start"))[
0
].show_waveform
else:
show_waveform = True if self.mode == "on" else False
for s in sequences:
s.show_waveform = show_waveform
return {"FINISHED"}
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