header/replaygain: Add widgets for selecting ReplayGain mode
This includes a set of Gtk.CheckButtons to choose what ReplayGain mode to use, and a Gtk.Switch to enable or disable ReplayGain Implements: #46 ("Create new Volume controls") Implements: #48 ("Implement Intelligent ReplayGain") Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>
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# Copyright 2022 (c) Anna Schumaker.
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"""A widget for selecting ReplayGain mode."""
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from gi.repository import GObject
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from gi.repository import Gtk
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class Selector(Gtk.Grid):
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"""Build up a widget for configuring ReplayGain settings."""
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enabled = GObject.Property(type=bool, default=False)
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mode = GObject.Property(type=str, default="auto")
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def __init__(self):
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"""Initialize the ReplayGain selector."""
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super().__init__(column_spacing=6, margin_top=8)
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self._title = Gtk.Label(label="Volume Normalization", yalign=0.8,
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hexpand=True, vexpand=True)
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self._switch = Gtk.Switch()
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self._auto = Gtk.CheckButton(label="Decide automatically",
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sensitive=False, active=True)
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self._album = Gtk.CheckButton(label="Albums have the same volume",
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sensitive=False, group=self._auto)
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self._track = Gtk.CheckButton(label="Tracks have the same volume",
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sensitive=False, group=self._auto)
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self.attach(self._title, 0, 0, 1, 1)
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self.attach(self._switch, 1, 0, 1, 1)
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self.attach(self._auto, 0, 1, 2, 1)
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self.attach(self._album, 0, 2, 2, 1)
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self.attach(self._track, 0, 3, 2, 1)
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self.connect("notify::mode", self.__notify_mode)
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self._auto.connect("toggled", self.__mode_toggled, "auto")
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self._album.connect("toggled", self.__mode_toggled, "album")
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self._track.connect("toggled", self.__mode_toggled, "track")
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self._switch.bind_property("state", self._auto, "sensitive")
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self._switch.bind_property("state", self._album, "sensitive")
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self._switch.bind_property("state", self._track, "sensitive")
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self.bind_property("enabled", self._switch, "state",
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GObject.BindingFlags.BIDIRECTIONAL)
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self._title.add_css_class("title-4")
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def __notify_mode(self, selector: Gtk.Grid, param) -> None:
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match selector.get_property("mode"):
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case "album": self._album.set_active(True)
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case "track": self._track.set_active(True)
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case _: self._auto.set_active(True)
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def __mode_toggled(self, check: Gtk.CheckButton, new_mode: str) -> None:
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if check.get_active():
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self.mode = new_mode
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# Copyright 2022 (c) Anna Schumaker
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"""Tests our ReplayGain selector."""
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import unittest
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import emmental.header.replaygain
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from gi.repository import Gtk
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class TestSelector(unittest.TestCase):
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"""Test case for our custom ReplayGain Selector."""
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def setUp(self):
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"""Set up common variables."""
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self.selector = emmental.header.replaygain.Selector()
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def test_selector(self):
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"""Check that the Selector is set up properly."""
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self.assertIsInstance(self.selector, Gtk.Grid)
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self.assertEqual(self.selector.get_column_spacing(), 6)
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self.assertEqual(self.selector.get_margin_top(), 8)
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self.assertEqual(self.selector.mode, "auto")
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self.assertFalse(self.selector.enabled)
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self.selector.enabled = True
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self.assertTrue(self.selector._switch.get_state())
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self.selector.enabled = False
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self.assertFalse(self.selector._switch.get_state())
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def test_title(self):
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"""Check that the Selector title label is set up properly."""
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self.assertIsInstance(self.selector._title, Gtk.Label)
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self.assertEqual(self.selector.get_child_at(0, 0),
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self.selector._title)
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self.assertEqual(self.selector._title.get_text(),
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"Volume Normalization")
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self.assertAlmostEqual(self.selector._title.get_yalign(), 0.8)
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self.assertTrue(self.selector._title.has_css_class("title-4"))
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self.assertTrue(self.selector._title.get_hexpand())
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self.assertTrue(self.selector._title.get_vexpand())
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def test_switch(self):
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"""Check that the Selector switch works as intended."""
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self.assertIsInstance(self.selector._switch, Gtk.Switch)
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self.assertEqual(self.selector.get_child_at(1, 0),
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self.selector._switch)
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self.assertFalse(self.selector._switch.get_active())
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self.selector._switch.set_active(True)
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self.assertTrue(self.selector.enabled)
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self.assertTrue(self.selector._auto.get_sensitive())
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self.assertTrue(self.selector._album.get_sensitive())
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self.assertTrue(self.selector._track.get_sensitive())
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self.selector._switch.set_active(False)
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self.assertFalse(self.selector.enabled)
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self.assertFalse(self.selector._auto.get_sensitive())
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self.assertFalse(self.selector._album.get_sensitive())
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self.assertFalse(self.selector._track.get_sensitive())
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def test_automatic_mode(self):
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"""Test the Selector automatic mode button."""
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self.assertIsInstance(self.selector._auto, Gtk.CheckButton)
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self.assertEqual(self.selector.get_child_at(0, 1), self.selector._auto)
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self.assertEqual(self.selector._auto.get_label(),
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"Decide automatically")
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self.assertFalse(self.selector._auto.get_sensitive())
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self.assertTrue(self.selector._auto.get_active())
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self.selector._track.set_active(True)
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self.selector._auto.set_active(True)
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self.assertEqual(self.selector.mode, "auto")
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def test_album_mode(self):
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"""Test the Selector album mode button."""
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self.assertIsInstance(self.selector._album, Gtk.CheckButton)
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self.assertEqual(self.selector.get_child_at(0, 2),
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self.selector._album)
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self.assertEqual(self.selector._album.get_label(),
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"Albums have the same volume")
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self.assertFalse(self.selector._album.get_sensitive())
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self.assertFalse(self.selector._album.get_active())
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self.selector._album.set_active(True)
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self.assertEqual(self.selector.mode, "album")
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def test_track_mode(self):
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"""Test the Selector album mode button."""
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self.assertIsInstance(self.selector._track, Gtk.CheckButton)
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self.assertEqual(self.selector.get_child_at(0, 3),
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self.selector._track)
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self.assertEqual(self.selector._track.get_label(),
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"Tracks have the same volume")
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self.assertFalse(self.selector._track.get_sensitive())
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self.assertFalse(self.selector._track.get_active())
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self.selector._track.set_active(True)
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self.assertEqual(self.selector.mode, "track")
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def test_mode_property(self):
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"""Test that the mode property is set correctly."""
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self.selector.mode = "album"
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self.assertTrue(self.selector._album.get_active())
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self.assertFalse(self.selector._auto.get_active())
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self.assertFalse(self.selector._track.get_active())
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self.selector.mode = "track"
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self.assertTrue(self.selector._track.get_active())
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self.assertFalse(self.selector._auto.get_active())
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self.assertFalse(self.selector._album.get_active())
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self.selector.mode = "anything else"
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self.assertTrue(self.selector._auto.get_active())
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self.assertFalse(self.selector._album.get_active())
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self.assertFalse(self.selector._track.get_active())
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self.assertEqual(self.selector.mode, "auto")
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