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Playlist: Preserve track order in album shuffle mode

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Fixes #1623
This commit is contained in:
Jonas Kvinge
2025-12-01 22:47:12 +01:00
parent 579efffd14
commit 000ba997fb
1 changed files with 21 additions and 6 deletions
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27
src/playlist/playlist.cpp
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@@ -750,10 +750,20 @@ void Playlist::set_current_row(const int i, const AutoScroll autoscroll, const b
// This is the first thing we're playing so we want to make sure the array is shuffled
ReshuffleIndices();
// Bring the one we've been asked to play to the start of the list
virtual_items_.takeAt(virtual_items_.indexOf(i));
virtual_items_.prepend(i);
current_virtual_index_ = 0;
// For shuffle modes that need to preserve track order within albums, don't move the track
if (ShuffleMode() == PlaylistSequence::ShuffleMode::Albums || ShuffleMode() == PlaylistSequence::ShuffleMode::InsideAlbum) {
// Just find where the track ended up after ReshuffleIndices
const int idx = static_cast<int>(virtual_items_.indexOf(i));
current_virtual_index_ = idx == -1 ? 0 : idx;
}
else {
const int idx = static_cast<int>(virtual_items_.indexOf(i));
if (idx != -1) {
virtual_items_.takeAt(idx);
virtual_items_.prepend(i);
}
current_virtual_index_ = 0;
}
}
else if (ShuffleMode() != PlaylistSequence::ShuffleMode::Off) {
current_virtual_index_ = static_cast<int>(virtual_items_.indexOf(i));
@@ -2054,8 +2064,13 @@ void Playlist::ReshuffleIndices() {
std::shuffle(shuffled_album_keys.begin(), shuffled_album_keys.end(), std::mt19937(rd()));
// If the user is currently playing a song, force its album to be first
if (current_row() != -1) {
const QString key = items_[current_row()]->EffectiveMetadata().AlbumKey();
// Also check last_played_row() for cases where current_row() hasn't been set yet (e.g., on app startup)
int reference_row = current_row();
if (reference_row == -1 && last_played_row() != -1) {
reference_row = last_played_row();
}
if (reference_row != -1) {
const QString key = items_[reference_row]->EffectiveMetadata().AlbumKey();
const qint64 pos = shuffled_album_keys.indexOf(key);
if (pos >= 1) {
std::swap(shuffled_album_keys[0], shuffled_album_keys[pos]);