Source code for simvx.editor.panels.inspector_sections._audio_section

"""AudioStreamSection -- audio file picker.

Registered with the section registry via @register_inspector_section at
import time.
"""

from simvx.core import (
    AudioStream,
    AudioStreamPlayer,
    AudioStreamPlayer2D,
    AudioStreamPlayer3D,
    Control,
)

from ._base import (
    InspectorSection,
    _make_property_row,
    _make_resource_picker,
    register_inspector_section,
)




@register_inspector_section
class AudioStreamSection(InspectorSection):
    section_title = "Audio"
    priority = 20



    def can_handle(self, node):
        return isinstance(node, AudioStreamPlayer | AudioStreamPlayer2D | AudioStreamPlayer3D)




    def build_rows(self, node, ctx):
        rows: list[Control] = []
        current_path = node.stream.path if node.stream else None
        picker = _make_resource_picker(current_path=current_path, file_filter="*.ogg;*.wav;*.mp3;*.flac")
        picker.file_selected.connect(lambda path, c=ctx, n=node: _set_audio_stream(n, path, c))
        picker.cleared.connect(lambda c=ctx, n=node: _set_audio_stream(n, None, c))
        rows.append(_make_property_row("Stream", picker))
        ctx.register_widget("audio_stream", picker)
        return rows



def _set_audio_stream(node, path, ctx):
    old_stream = node.stream
    new_stream = AudioStream(path) if path else None

    def do_fn():
        node.stream = new_stream

    def undo_fn():
        node.stream = old_stream

    ctx.on_callable_command(do_fn, undo_fn, description=f"Set {node.name} audio stream")
    ctx.property_changed_signal.emit(node, "stream", old_stream, new_stream)