v0.55.0: Kaleidostrobe smooth again; visualizer tile hover controls
The cones move only on the plugin's own 25 fps frames again: driving them from fresh audio every refresh made bass-heavy songs twitch (a jump on 84% of refreshes against 41%). The continuous turn, texture crossfade and the GPU big window stay. The tile: a click opens it big (and it stays blank while big); hovering shows a colour wheel (colour / gray / off) and up/down arrows (previous / next visualizer). No more double-click or click-to-cycle. The big album art closes on a click or Esc, like the big visualizer.
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"""Round 86: Kaleidostrobe smooth again, and the visualizer tile's controls.
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1. The cones move only on the plugin's own 25 fps frames (driving them from
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fresh audio at every refresh, Round 85, made bass-heavy songs twitch).
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2. The tile: hovering shows a colour wheel (colour / gray / off) and ▲/▼
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(style); a click anywhere else opens it big; no double-click any more.
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3. While it's big, the tile stays blank.
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4. The big album art closes on a click, like the big visualizer.
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"""
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from unittest.mock import MagicMock
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from PyQt6.QtCore import QEvent, QObject, QPointF, Qt, pyqtSignal
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from PyQt6.QtGui import QColor, QImage, QKeyEvent, QMouseEvent, QPainter
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from lintunes.gui import visualizer_styles as vs
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from lintunes.gui.visualizer import MODE_DIM, MODE_OFF, MODE_ON, VisualizerWidget
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from lintunes.gui.visualizer_kaleido import KaleidostrobeRenderer
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from lintunes.preferences import Preferences
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from test_round84 import _frame
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class _FakePlayer(QObject):
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audio_buffer = pyqtSignal(object)
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playing_changed = pyqtSignal(bool)
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track_changed = pyqtSignal(object)
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def is_playing(self):
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return False
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def _click(widget, pos, button=Qt.MouseButton.LeftButton):
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pos = QPointF(pos)
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for kind, buttons in ((QEvent.Type.MouseButtonPress, button),
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(QEvent.Type.MouseButtonRelease, Qt.MouseButton.NoButton)):
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event = QMouseEvent(kind, pos, pos, button, buttons,
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Qt.KeyboardModifier.NoModifier)
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if kind == QEvent.Type.MouseButtonPress:
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widget.mousePressEvent(event)
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else:
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widget.mouseReleaseEvent(event)
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def _tile(tmp_path, style="bars"):
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prefs = Preferences(tmp_path)
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prefs.set("visualizer_style", style)
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vis = VisualizerWidget(_FakePlayer(), prefs)
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vis.resize(140, 62)
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return prefs, vis
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# --------------------------------------------------------------------------
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# 1. Smooth again
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# --------------------------------------------------------------------------
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class TestSmooth:
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def test_the_cone_moves_only_on_the_plugins_frames(self, qapp):
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"""Height and depth are the plugin's own: driving them from fresh
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audio every refresh made the picture twitch."""
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r = KaleidostrobeRenderer()
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r.advance(_frame(dt=0.04))
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seen = []
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for i in range(30):
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r.advance(_frame(dt=1 / 60, hz=55 + 40 * (i % 3)))
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apex = r._shown[0][0].triangles[0].xyz[0][2]
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seen.append((r._engine.frame_count, apex))
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for (fa, za), (fb, zb) in zip(seen, seen[1:]):
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if fa == fb:
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assert za == zb
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# --------------------------------------------------------------------------
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# 2. The tile's controls
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# --------------------------------------------------------------------------
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class TestTile:
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def test_a_click_in_the_middle_opens_big(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path)
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_click(vis, vis.rect().center())
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try:
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assert vis._big is not None and vis._big.isVisible()
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assert vis._mode == MODE_ON # brightness untouched
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finally:
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vis._big.close()
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def test_the_colour_wheel_cycles_and_does_not_open(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path)
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wheel = vis._button_rects()["mode"].center()
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seen = []
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for _ in range(3):
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_click(vis, wheel)
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seen.append(vis._mode)
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assert seen == [MODE_DIM, MODE_OFF, MODE_ON]
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assert prefs.get("visualizer_mode") == MODE_ON
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assert vis._big is None
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def test_arrows_step_through_every_style_and_wrap(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path, "bars")
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down = vis._button_rects()["next"].center()
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up = vis._button_rects()["prev"].center()
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seen = []
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for _ in range(len(vs.STYLES)):
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_click(vis, down)
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seen.append(prefs.get("visualizer_style"))
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assert seen == list(vs.STYLES[1:]) + [vs.STYLES[0]]
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_click(vis, up) # bars → the last one
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assert prefs.get("visualizer_style") == vs.STYLES[-1]
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assert isinstance(vis._renderer, KaleidostrobeRenderer)
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assert vis._big is None
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def test_a_double_click_does_nothing_special(self, qapp, tmp_path):
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assert "mouseDoubleClickEvent" not in VisualizerWidget.__dict__
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def test_controls_show_only_on_hover(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path)
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prefs.set("visualizer_mode", MODE_OFF)
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def shot():
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return vis.grab().toImage().pixel(int(vis._button_rects()["mode"].center().x()),
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int(vis._button_rects()["mode"].center().y()))
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plain = shot()
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vis._hovering = True
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assert shot() != plain
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vis._hovering = False
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assert shot() == plain
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def test_tooltips_say_what_each_part_does(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path, "bars")
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vis._hot = "next"
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vis._update_tooltip()
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assert "Radial dots" in vis.toolTip()
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vis._hot = "mode"
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vis._update_tooltip()
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assert "colour" in vis.toolTip()
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vis._hot = None
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vis._update_tooltip()
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assert "big" in vis.toolTip()
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def test_casting_click_still_stops_casting(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path)
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stopped = MagicMock()
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vis.cast_stop_requested.connect(stopped)
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vis._no_pcm = True
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_click(vis, vis._button_rects()["mode"].center())
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stopped.assert_called_once()
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assert vis._mode == MODE_ON
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# --------------------------------------------------------------------------
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# 3. Blank while big
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# --------------------------------------------------------------------------
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class TestBlankWhileBig:
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def test_tile_draws_nothing_while_big_is_open(self, qapp, tmp_path):
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prefs, vis = _tile(tmp_path)
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vis._renderer = MagicMock(spec=["paint", "advance", "clear", "name"])
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img = QImage(140, 62, QImage.Format.Format_ARGB32)
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painter = QPainter(img)
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vis.paint_renderer(painter, vis.rect())
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assert vis._renderer.paint.call_count == 1
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vis.open_big()
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try:
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vis.paint_renderer(painter, vis.rect()) # the tile
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assert vis._renderer.paint.call_count == 1
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vis.paint_renderer(painter, vis.rect(), big=True) # the window
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assert vis._renderer.paint.call_count == 2
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finally:
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painter.end()
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vis._big.close()
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# --------------------------------------------------------------------------
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# 4. Big album art
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# --------------------------------------------------------------------------
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class TestArtWindow:
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def test_a_click_closes_it(self, qapp):
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from lintunes.gui.art_window import ArtWindow
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win = ArtWindow()
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win.resize(300, 300)
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win.show()
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_click(win, win.contentsRect().center())
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assert not win.isVisible()
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def test_escape_closes_it(self, qapp):
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from lintunes.gui.art_window import ArtWindow
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win = ArtWindow()
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win.show()
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win.keyPressEvent(QKeyEvent(QEvent.Type.KeyPress, Qt.Key.Key_Escape,
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Qt.KeyboardModifier.NoModifier))
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assert not win.isVisible()
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