Fix typos

src/playlist/playlist.h

@@ -75,7 +75,7 @@ Q_DECLARE_METATYPE(ColumnAlignmentMap)
 
 // Objects that may prevent a song being added to the playlist.
 // When there is something about to be inserted into it,
-// Playlist notifies all of it's listeners about the fact and every one of them picks 'invalid' songs.
+// Playlist notifies all of its listeners about the fact and every one of them picks 'invalid' songs.
 class SongInsertVetoListener : public QObject {
   Q_OBJECT
 
@@ -240,8 +240,8 @@ class Playlist : public QAbstractListModel {
   void ReshuffleIndices();
 
   // If this playlist contains the current item, this method will apply the "valid" flag on it.
-  // If the "valid" flag is false, the song will be greyed out. Otherwise the grey color will be undone.
-  // If the song is a local file and it's valid but non existent or invalid but exists, the
+  // If the "valid" flag is false, the song will be greyed out. Otherwise, the grey color will be undone.
+  // If the song is a local file, and it's valid but non-existent or invalid but exists, the
   // song will be reloaded to even out the situation because obviously something has changed.
   // This returns true if this playlist had current item when the method was invoked.
   bool ApplyValidityOnCurrentSong(const QUrl &url, bool valid);

src/playlist/playlistbackend.cpp

@@ -197,7 +197,7 @@ PlaylistItemList PlaylistBackend::GetPlaylistItems(const int playlist) {
       return PlaylistItemList();
     }
 
-    // it's probable that we'll have a few songs associated with the same CUE so we're caching results of parsing CUEs
+    // it's probable that we'll have a few songs associated with the same CUE, so we're caching results of parsing CUEs
     std::shared_ptr<NewSongFromQueryState> state_ptr = std::make_shared<NewSongFromQueryState>();
     while (q.next()) {
       playlistitems << NewPlaylistItemFromQuery(SqlRow(q), state_ptr);
@@ -232,7 +232,7 @@ SongList PlaylistBackend::GetPlaylistSongs(const int playlist) {
       return SongList();
     }
 
-    // it's probable that we'll have a few songs associated with the same CUE so we're caching results of parsing CUEs
+    // it's probable that we'll have a few songs associated with the same CUE, so we're caching results of parsing CUEs
     std::shared_ptr<NewSongFromQueryState> state_ptr = std::make_shared<NewSongFromQueryState>();
     while (q.next()) {
       songs << NewSongFromQuery(SqlRow(q), state_ptr);

src/playlist/playlistcontainer.cpp

@@ -301,7 +301,7 @@ void PlaylistContainer::PlaylistAdded(const int id, const QString &name, const b
   const int index = ui_->tab_bar->count();
   ui_->tab_bar->InsertTab(id, index, name, favorite);
 
-  // Are we startup up, should we select this tab?
+  // Are we start up, should we select this tab?
   if (starting_up_ && settings_.value("current_playlist", 1).toInt() == id) {
     starting_up_ = false;
     ui_->tab_bar->set_current_id(id);
@@ -312,7 +312,7 @@ void PlaylistContainer::PlaylistAdded(const int id, const QString &name, const b
     tab_bar_animation_->setFrameRange(0, ui_->tab_bar->sizeHint().height());
 
     if (!isVisible()) {
-      // Skip the animation since the window is hidden (eg. if we're still loading the UI).
+      // Skip the animation since the window is hidden (e.g. if we're still loading the UI).
       tab_bar_visible_ = true;
       ui_->tab_bar->setMaximumHeight(tab_bar_animation_->endFrame());
     }
@@ -365,7 +365,7 @@ void PlaylistContainer::ClearPlaylist() {}
 
 void PlaylistContainer::GoToNextPlaylistTab() {
 
-  // Get the next tab' id
+  // Get the next tab's id
   int id_next = ui_->tab_bar->id_of((ui_->tab_bar->currentIndex() + 1) % ui_->tab_bar->count());
   // Switch to next tab
   manager_->SetCurrentPlaylist(id_next);
@@ -374,7 +374,7 @@ void PlaylistContainer::GoToNextPlaylistTab() {
 
 void PlaylistContainer::GoToPreviousPlaylistTab() {
 
-  // Get the next tab' id
+  // Get the next tab's id
   int id_previous = ui_->tab_bar->id_of((ui_->tab_bar->currentIndex() + ui_->tab_bar->count() - 1) % ui_->tab_bar->count());
   // Switch to next tab
   manager_->SetCurrentPlaylist(id_previous);

src/playlist/playlistfilterparser.cpp

@@ -158,8 +158,8 @@ class LeComparator : public SearchTermComparator {
   int search_term_;
 };
 
-// The length field of the playlist (entries) contains a song's running time in nano seconds.
-// However, We don't really care about nano seconds, just seconds.
+// The length field of the playlist (entries) contains a song's running time in nanoseconds.
+// However, We don't really care about nanoseconds, just seconds.
 // Thus, with this decorator we drop the last 9 digits, if that many are present.
 class DropTailComparatorDecorator : public SearchTermComparator {
  public:
@@ -459,7 +459,7 @@ FilterTree *FilterParser::createSearchTermTreeNode(const QString &col, const QSt
     cmp = new NeComparator(search);
   }
   else if (!col.isEmpty() && columns_.contains(col) && numerical_columns_.contains(columns_[col])) {
-    // the length column contains the time in seconds (nano seconds, actually - the "nano" part is handled by the DropTailComparatorDecorator,  though).
+    // the length column contains the time in seconds (nanoseconds, actually - the "nano" part is handled by the DropTailComparatorDecorator,  though).
     int search_value = 0;
     if (columns_[col] == Playlist::Column_Length) {
       search_value = parseTime(search);

src/playlist/playlistitem.h

@@ -107,7 +107,7 @@ class PlaylistItem : public std::enable_shared_from_this<PlaylistItem> {
   bool HasCurrentForegroundColor() const;
 
   // Convenience function to find out whether this item is from the local collection, as opposed to a device, a file on disk, or a stream.
-  // Remember that even if this returns true, the collection item might be invalid so you might want to check that its id is not equal to -1 before actually using it.
+  // Remember that even if this returns true, the collection item might be invalid, so you might want to check that its id is not equal to -1 before actually using it.
   virtual bool IsLocalCollectionItem() const { return false; }
   void SetShouldSkip(const bool val);
   bool GetShouldSkip() const;

src/playlist/playlistmanager.cpp

@@ -224,7 +224,7 @@ void PlaylistManager::Save(const int id, const QString &filename, const Playlist
     parser_->Save(playlist(id)->GetAllSongs(), filename, path_type);
   }
   else {
-    // Playlist is not in the playlist manager: probably save action was triggered from the left side bar and the playlist isn't loaded.
+    // Playlist is not in the playlist manager: probably save action was triggered from the left sidebar and the playlist isn't loaded.
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     QFuture<SongList> future = QtConcurrent::run(&PlaylistBackend::GetPlaylistSongs, playlist_backend_, id);
 #else

src/playlist/playlistview.cpp

@@ -737,7 +737,7 @@ void PlaylistView::RemoveSelected() {
   // Store the last selected row, which is the last in the list
   int last_row = selection.last().top();
 
-  // Sort the selection so we remove the items at the *bottom* first, ensuring we don't have to mess around with changing row numbers
+  // Sort the selection, so we remove the items at the *bottom* first, ensuring we don't have to mess around with changing row numbers
   std::sort(selection.begin(), selection.end(), CompareSelectionRanges);
 
   for (const QItemSelectionRange &range : selection) {
@@ -1299,7 +1299,7 @@ void PlaylistView::ReloadSettings() {
     }
     else {
       // User changed background image type to something that will not be painted through paintEvent: reset all background images.
-      // This avoid to use old (deprecated) images for fading when selecting Album or Custom background image type later.
+      // This avoids to use old (deprecated) images for fading when selecting Album or Custom background image type later.
       set_background_image(QImage());
       cached_scaled_background_image_ = QPixmap();
       previous_background_image_ = QPixmap();

src/playlist/songplaylistitem.h

@@ -36,7 +36,7 @@ class SongPlaylistItem : public PlaylistItem {
   explicit SongPlaylistItem(const Song &song);
 
   // Restores a stream- or file-related playlist item using query row.
-  // If it's a file related playlist item, this will restore it's CUE attributes (if any) but won't parse the CUE!
+  // If it's a file related playlist item, this will restore its CUE attributes (if any) but won't parse the CUE!
   bool InitFromQuery(const SqlRow &query) override;
   void Reload() override;