Make const

src/collection/collectionquery.cpp

@@ -121,7 +121,7 @@ CollectionQuery::CollectionQuery(const QSqlDatabase &db, const QString &songs_ta
 
 }
 
-QString CollectionQuery::GetInnerQuery() {
+QString CollectionQuery::GetInnerQuery() const {
   return duplicates_only_
              ? QString(" INNER JOIN (select * from duplicated_songs) dsongs        "
                    "ON (%songs_table.artist = dsongs.dup_artist       "

src/collection/collectionquery.h

@@ -107,7 +107,7 @@ class CollectionQuery : public QSqlQuery {
   int limit() const { return limit_; }
 
  private:
-  QString GetInnerQuery();
+  QString GetInnerQuery() const;
 
   QSqlDatabase db_;
   QString songs_table_;

src/collection/collectionview.cpp

@@ -636,7 +636,7 @@ void CollectionView::FilterReturnPressed() {
   emit doubleClicked(currentIndex());
 }
 
-void CollectionView::ShowInBrowser() {
+void CollectionView::ShowInBrowser() const {
 
   SongList songs = GetSelectedSongs();
   QList<QUrl> urls;
@@ -649,13 +649,13 @@ void CollectionView::ShowInBrowser() {
 
 }
 
-int CollectionView::TotalSongs() {
+int CollectionView::TotalSongs() const {
   return total_song_count_;
 }
-int CollectionView::TotalArtists() {
+int CollectionView::TotalArtists() const {
   return total_artist_count_;
 }
-int CollectionView::TotalAlbums() {
+int CollectionView::TotalAlbums() const {
   return total_album_count_;
 }
 

src/collection/collectionview.h

@@ -66,9 +66,9 @@ class CollectionView : public AutoExpandingTreeView {
   void keyboardSearch(const QString &search) override;
   void scrollTo(const QModelIndex &idx, ScrollHint hint = EnsureVisible) override;
 
-  int TotalSongs();
-  int TotalArtists();
-  int TotalAlbums();
+  int TotalSongs() const;
+  int TotalArtists() const;
+  int TotalAlbums() const;
 
  public slots:
   void TotalSongCountUpdated(const int count);
@@ -107,7 +107,7 @@ class CollectionView : public AutoExpandingTreeView {
   void CopyToDevice();
   void EditTracks();
   void RescanSongs();
-  void ShowInBrowser();
+  void ShowInBrowser() const;
   void ShowInVarious();
   void NoShowInVarious();
   void Delete();

src/collection/collectionviewcontainer.cpp

@@ -46,7 +46,7 @@ CollectionViewContainer::CollectionViewContainer(QWidget *parent) : QWidget(pare
 CollectionViewContainer::~CollectionViewContainer() { delete ui_; }
 CollectionView *CollectionViewContainer::view() const { return ui_->view; }
 CollectionFilterWidget *CollectionViewContainer::filter() const { return ui_->filter; }
-void CollectionViewContainer::ReloadSettings() {
+void CollectionViewContainer::ReloadSettings() const {
   filter()->ReloadSettings();
   view()->ReloadSettings();
 }

src/collection/collectionviewcontainer.h

@@ -41,7 +41,7 @@ class CollectionViewContainer : public QWidget {
   CollectionFilterWidget *filter() const;
   CollectionView *view() const;
 
-  void ReloadSettings();
+  void ReloadSettings() const;
 
  private:
   Ui_CollectionViewContainer *ui_;