Trav
b6d1805962
Ctrl-X now removes the track from the playlist right away (so it visibly leaves) and a paste re-inserts it at the target — replacing the earlier deferred-move design (dropped move_tracks_between_playlists and the MIME cut flag). A cut from the library is still just a copy. Separately, a left-click on any scrollbar trough now jumps to that spot instead of paging, via an app-wide ClickToJumpScrollStyle proxy. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
137 lines
5.3 KiB
Python
137 lines
5.3 KiB
Python
"""Round 12: cut (Ctrl-X), paste-above-selection, scrollbar click-to-jump.
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- Cut copies the selection to the clipboard and, in a playlist, removes it
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*immediately* (so it visibly leaves); a paste re-inserts it at the target.
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A cut from the library has nothing to remove, so it's just a copy.
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- Paste inserts *above the currently selected track*, not at the end.
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- Clicking the scrollbar trough jumps there instead of paging a step.
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"""
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from PyQt6.QtWidgets import QApplication, QStyle
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from lintunes.models import Library, Track
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from lintunes.library_manager import LibraryManager
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from lintunes.gui.track_table import (
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TrackTableView, make_tracks_mime, parse_tracks_mime, ClickToJumpScrollStyle)
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from lintunes.gui.playlist_view import PlaylistView
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def _manager(tmp_path, n=4):
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library = Library(tracks={i: Track(track_id=i, name=f"T{i}")
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for i in range(1, n + 1)})
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return LibraryManager(library, tmp_path)
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def _select_source_row(table, source_row):
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"""Select the visual row backing a given source-model row (sort-proof)."""
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proxy_index = table.proxy.mapFromSource(table.model_.index(source_row, 0))
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table.selectRow(proxy_index.row())
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# --------------------------------------------------------------------------
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# clipboard helpers + cut signalling
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# --------------------------------------------------------------------------
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class TestCutSelection:
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def test_paste_anchor_row(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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table = TrackTableView(playlist_mode=True)
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table.set_tracks([manager.library.tracks[i] for i in (1, 2, 3)])
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assert table.paste_anchor_row() is None # nothing selected
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_select_source_row(table, 1)
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assert table.paste_anchor_row() == 1
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def test_cut_in_playlist_copies_and_requests_removal(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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table = TrackTableView(playlist_mode=True)
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table.set_source_playlist("PID")
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table.set_tracks([manager.library.tracks[i] for i in (1, 2, 3)])
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removed = []
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table.cut_requested.connect(removed.append)
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_select_source_row(table, 0)
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table.cut_selection()
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assert removed == [[0]] # asked the view to remove row 0 immediately
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payload = parse_tracks_mime(QApplication.clipboard().mimeData())
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assert payload["track_ids"] == [1]
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def test_cut_in_library_is_just_a_copy(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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table = TrackTableView(playlist_mode=False) # library
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table.set_tracks([manager.library.tracks[i] for i in (1, 2, 3)])
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removed = []
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table.cut_requested.connect(removed.append)
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_select_source_row(table, 0)
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table.cut_selection()
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assert removed == [] # nothing to remove from the library
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payload = parse_tracks_mime(QApplication.clipboard().mimeData())
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assert payload["track_ids"] == [1]
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# --------------------------------------------------------------------------
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# scrollbar click-to-jump
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# --------------------------------------------------------------------------
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class TestScrollbarJump:
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def test_style_hint_enables_absolute_position(self, qapp):
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"""Applied app-wide in main.run_gui via app.setStyle(); here we just
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confirm the proxy flips the left-click-jump hint on."""
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style = ClickToJumpScrollStyle()
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assert style.styleHint(
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QStyle.StyleHint.SH_ScrollBar_LeftClickAbsolutePosition) == 1
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# --------------------------------------------------------------------------
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# PlaylistView integration
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# --------------------------------------------------------------------------
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class TestPasteIntegration:
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def test_copy_paste_inserts_above_selection(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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b = manager.create_playlist("B")
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manager.add_tracks_to_playlist(b.persistent_id, [4])
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view = PlaylistView(manager)
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view.show_playlist(b)
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QApplication.clipboard().setMimeData(make_tracks_mime([1, 2]))
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_select_source_row(view.table, 0) # above track 4
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view._on_paste()
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assert b.track_ids == [1, 2, 4]
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def test_cut_removes_now_then_paste_reinserts_elsewhere(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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a = manager.create_playlist("A")
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b = manager.create_playlist("B")
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manager.add_tracks_to_playlist(a.persistent_id, [1, 2, 3])
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manager.add_tracks_to_playlist(b.persistent_id, [4])
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view = PlaylistView(manager)
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view.show_playlist(a)
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_select_source_row(view.table, 0) # track 1
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view.table.cut_selection()
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assert a.track_ids == [2, 3] # gone immediately
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view.show_playlist(b)
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_select_source_row(view.table, 0) # above track 4
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view._on_paste()
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assert b.track_ids == [1, 4]
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def test_cut_paste_same_playlist_reorders(self, qapp, tmp_path):
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manager = _manager(tmp_path)
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a = manager.create_playlist("A")
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manager.add_tracks_to_playlist(a.persistent_id, [1, 2, 3, 4])
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view = PlaylistView(manager)
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view.show_playlist(a)
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_select_source_row(view.table, 0) # track 1
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view.table.cut_selection()
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assert a.track_ids == [2, 3, 4]
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_select_source_row(view.table, 1) # above track 3
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view._on_paste()
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assert a.track_ids == [2, 1, 3, 4]
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