Fix uninitialized variables

src/analyzer/rainbowanalyzer.h

@@ -93,7 +93,7 @@ class RainbowAnalyzer : public Analyzer::Base {
 
  private:
   // "constants" that get initialized in the constructor
-  float band_scale_[kRainbowBands];
+  float band_scale_[kRainbowBands]{};
   QPen colors_[kRainbowBands];
 
   // Rainbow Nyancat & Dash
@@ -104,7 +104,7 @@ class RainbowAnalyzer : public Analyzer::Base {
   int frame_;
 
   // The y positions of each point on the rainbow.
-  float history_[kHistorySize * kRainbowBands];
+  float history_[kHistorySize * kRainbowBands]{};
 
   // A cache of the last frame's rainbow, 
   // so it can be used in the next frame.

src/collection/collectionbackend.cpp

@@ -55,6 +55,7 @@
 CollectionBackend::CollectionBackend(QObject *parent) :
     CollectionBackendInterface(parent),
     db_(nullptr),
+    source_(Song::Source_Unknown),
     original_thread_(nullptr) {
 
   original_thread_ = thread();

src/collection/collectionview.cpp

@@ -93,6 +93,7 @@ CollectionView::CollectionView(QWidget *parent)
       action_show_in_browser_(nullptr),
       action_show_in_various_(nullptr),
       action_no_show_in_various_(nullptr),
+      action_delete_files_(nullptr),
       is_in_keyboard_search_(false),
       delete_files_(false)
   {

src/collection/savedgroupingmanager.cpp

@@ -49,7 +49,8 @@
 SavedGroupingManager::SavedGroupingManager(QWidget *parent)
     : QDialog(parent),
       ui_(new Ui_SavedGroupingManager),
-      model_(new QStandardItemModel(0, 4, this)) {
+      model_(new QStandardItemModel(0, 4, this)),
+      filter_(nullptr) {
 
   ui_->setupUi(this);
 

src/context/contextalbum.cpp

@@ -54,6 +54,7 @@ ContextAlbum::ContextAlbum(QWidget *parent) :
     timeline_fade_(new QTimeLine(1000, this)),
     image_strawberry_(":/pictures/strawberry.png"),
     image_original_(image_strawberry_),
+    pixmap_previous_opacity_(0),
     prev_width_(width()) {
 
   setObjectName("context-widget-album");

src/context/contextalbumsview.cpp

@@ -115,6 +115,17 @@ ContextAlbumsView::ContextAlbumsView(QWidget *parent)
     : AutoExpandingTreeView(parent),
       app_(nullptr),
       context_menu_(nullptr),
+      load_(nullptr),
+      add_to_playlist_(nullptr),
+      add_to_playlist_enqueue_(nullptr),
+      open_in_new_playlist_(nullptr),
+      organize_(nullptr),
+#ifndef Q_OS_WIN
+      copy_to_device_(nullptr),
+#endif
+      edit_track_(nullptr),
+      edit_tracks_(nullptr),
+      show_in_browser_(nullptr),
       is_in_keyboard_search_(false),
       model_(nullptr)
   {

src/context/contextview.cpp

@@ -128,6 +128,8 @@ ContextView::ContextView(QWidget *parent) :
     spacer_bottom_(new QSpacerItem(20, 20, QSizePolicy::Expanding, QSizePolicy::Expanding)),
     lyrics_tried_(false),
     lyrics_id_(-1),
+    font_size_headline_(0),
+    font_size_normal_(0),
     prev_width_(0)
   {
 

src/core/qtsystemtrayicon.cpp

@@ -49,6 +49,7 @@ SystemTrayIcon::SystemTrayIcon(QObject *parent)
       action_stop_(nullptr),
       action_stop_after_this_track_(nullptr),
       action_mute_(nullptr),
+      action_love_(nullptr),
       available_(false),
       trayicon_progress_(false),
       song_progress_(0) {

src/core/utilities.cpp

@@ -203,7 +203,7 @@ QString PrettySize(const quint64 bytes) {
 quint64 FileSystemCapacity(const QString &path) {
 
 #if defined(Q_OS_UNIX)
-  struct statvfs fs_info;
+  struct statvfs fs_info {};
   if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
     return quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
 #elif defined(Q_OS_WIN32)
@@ -220,7 +220,7 @@ quint64 FileSystemCapacity(const QString &path) {
 quint64 FileSystemFreeSpace(const QString &path) {
 
 #if defined(Q_OS_UNIX)
-  struct statvfs fs_info;
+  struct statvfs fs_info{};
   if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
     return quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize);
 #elif defined(Q_OS_WIN32)

src/covermanager/albumcovermanager.cpp

@@ -104,6 +104,9 @@ AlbumCoverManager::AlbumCoverManager(Application *app, CollectionBackend *collec
       app_(app),
       collection_backend_(collection_backend),
       album_cover_choice_controller_(new AlbumCoverChoiceController(this)),
+      filter_all_(nullptr),
+      filter_with_covers_(nullptr),
+      filter_without_covers_(nullptr),
       cover_fetcher_(new AlbumCoverFetcher(app_->cover_providers(), this)),
       cover_searcher_(nullptr),
       cover_export_(nullptr),

src/device/deviceview.cpp

@@ -178,7 +178,16 @@ DeviceView::DeviceView(QWidget *parent)
       sort_model_(nullptr),
       properties_dialog_(new DeviceProperties),
       device_menu_(nullptr),
-      collection_menu_(nullptr) {
+      eject_action_(nullptr),
+      forget_action_(nullptr),
+      properties_action_(nullptr),
+      collection_menu_(nullptr),
+      load_action_(nullptr),
+      add_to_playlist_action_(nullptr),
+      open_in_new_playlist_(nullptr),
+      organize_action_(nullptr),
+      delete_action_(nullptr) {
+
   setItemDelegate(new DeviceItemDelegate(this));
   SetExpandOnReset(false);
   setAttribute(Qt::WA_MacShowFocusRect, false);

src/dialogs/about.cpp

@@ -37,7 +37,7 @@
 #include "about.h"
 #include "ui_about.h"
 
-About::About(QWidget *parent):QDialog(parent) {
+About::About(QWidget *parent): QDialog(parent) {
 
   ui_.setupUi(this);
   setWindowFlags(this->windowFlags()|Qt::WindowStaysOnTopHint);

src/engine/enginebase.cpp

@@ -45,6 +45,8 @@ Engine::Base::Base(const EngineType type, QObject *parent)
       beginning_nanosec_(0),
       end_nanosec_(0),
       scope_(kScopeSize),
+      buffering_(false),
+      equalizer_enabled_(false),
       rg_enabled_(false),
       rg_mode_(0),
       rg_preamp_(0.0),
@@ -60,6 +62,8 @@ Engine::Base::Base(const EngineType type, QObject *parent)
       fadeout_pause_enabled_(false),
       fadeout_duration_(2),
       fadeout_duration_nanosec_(2 * kNsecPerSec),
+      fadeout_pause_duration_(0),
+      fadeout_pause_duration_nanosec_(0),
       proxy_authentication_(false),
       channels_enabled_(false),
       channels_(0),

src/engine/gstengine.cpp

@@ -83,16 +83,21 @@ GstEngine::GstEngine(TaskManager *task_manager, QObject *parent)
       buffering_task_id_(-1),
       latest_buffer_(nullptr),
       stereo_balancer_enabled_(false),
-      stereo_balance_(0.0f),
+      stereo_balance_(0.0F),
       equalizer_enabled_(false),
       equalizer_preamp_(0),
+      can_decode_success_(false),
+      can_decode_last_(false),
       seek_timer_(new QTimer(this)),
+      waiting_to_seek_(false),
+      seek_pos_(0),
       timer_id_(-1),
       next_element_id_(0),
       is_fading_out_to_pause_(false),
       has_faded_out_(false),
       scope_chunk_(0),
       have_new_buffer_(false),
+      scope_chunks_(0),
       discovery_finished_cb_id_(-1),
       discovery_discovered_cb_id_(-1)
       {

src/engine/gstenginepipeline.h

@@ -293,7 +293,7 @@ class GstEnginePipeline : public QObject {
 
   QThreadPool set_state_threadpool_;
 
-  GstSegment last_playbin_segment_;
+  GstSegment last_playbin_segment_{};
 
   bool unsupported_analyzer_;
 

src/equalizer/equalizer.h

@@ -56,7 +56,7 @@ class Equalizer : public QDialog {
     bool operator !=(const Params &other) const;
 
     int preamp;
-    int gain[kBands];
+    int gain[kBands]{};
   };
 
   bool is_equalizer_enabled() const;
@@ -100,7 +100,7 @@ class Equalizer : public QDialog {
   QString last_preset_;
 
   EqualizerSlider *preamp_;
-  EqualizerSlider *gain_[kBands];
+  EqualizerSlider *gain_[kBands]{};
 
   QMap<QString, Params> presets_;
 };

src/globalshortcuts/globalshortcut.cpp

@@ -39,6 +39,7 @@ GlobalShortcut *GlobalShortcut::initialized_ = nullptr;
 QHash<QPair<quint32, quint32>, GlobalShortcut*> GlobalShortcut::internal_shortcuts_;
 
 GlobalShortcut::GlobalShortcut(QObject *parent) : QObject(parent),
+  backend_(nullptr),
   qt_key_(Qt::Key(0)),
   qt_mods_(Qt::NoModifier),
   native_key_(0),

src/globalshortcuts/globalshortcutgrabber.cpp

@@ -35,7 +35,8 @@
 #include "ui_globalshortcutgrabber.h"
 
 GlobalShortcutGrabber::GlobalShortcutGrabber(QWidget *parent)
-    : QDialog(parent), ui_(new Ui::GlobalShortcutGrabber) {
+    : QDialog(parent), ui_(new Ui::GlobalShortcutGrabber), wrapper_(nullptr) {
+
   ui_->setupUi(this);
 
   modifier_keys_ << Qt::Key_Shift << Qt::Key_Control << Qt::Key_Meta << Qt::Key_Alt << Qt::Key_AltGr;

src/internet/internetcollectionviewcontainer.cpp

@@ -32,7 +32,9 @@
 
 InternetCollectionViewContainer::InternetCollectionViewContainer(QWidget *parent) :
   QWidget(parent),
-  ui_(new Ui_InternetCollectionViewContainer) {
+  ui_(new Ui_InternetCollectionViewContainer),
+  app_(nullptr),
+  service_(nullptr) {
 
   ui_->setupUi(this);
   view()->SetFilter(filter());

src/internet/internetplaylistitem.cpp

@@ -36,7 +36,7 @@
 #include "playlist/playlistbackend.h"
 
 InternetPlaylistItem::InternetPlaylistItem(const Song::Source source)
-    : PlaylistItem(source) {}
+    : PlaylistItem(source), source_(source) {}
 
 InternetPlaylistItem::InternetPlaylistItem(const Song &metadata)
     : PlaylistItem(metadata.source()),

src/playlist/playlistheader.cpp

@@ -43,6 +43,7 @@
 PlaylistHeader::PlaylistHeader(Qt::Orientation orientation, PlaylistView *view, QWidget *parent)
     : StretchHeaderView(orientation, parent),
       view_(view),
+      menu_section_(0),
       menu_(new QMenu(this)),
       action_hide_(nullptr),
       action_reset_(nullptr),

src/playlist/playlisttabbar.cpp

@@ -62,6 +62,11 @@ PlaylistTabBar::PlaylistTabBar(QWidget *parent)
       manager_(nullptr),
       menu_(new QMenu(this)),
       menu_index_(-1),
+      new_(nullptr),
+      rename_(nullptr),
+      close_(nullptr),
+      save_(nullptr),
+      drag_hover_tab_(0),
       suppress_current_changed_(false),
       initialized_(false),
       rename_editor_(new RenameTabLineEdit(this)) {

src/playlist/playlistview.cpp

@@ -148,6 +148,7 @@ PlaylistView::PlaylistView(QWidget *parent)
       set_initial_header_layout_(false),
       header_state_loaded_(false),
       header_state_restored_(false),
+      read_only_settings_(false),
       previous_background_image_opacity_(0.0),
       fade_animation_(new QTimeLine(1000, this)),
       force_background_redraw_(false),
@@ -1256,7 +1257,7 @@ void PlaylistView::ReloadSettings() {
 
 void PlaylistView::SaveSettings() {
 
-  if (!header_state_loaded_) return;
+  if (!header_state_loaded_ || read_only_settings_) return;
 
   QSettings s;
   s.beginGroup(Playlist::kSettingsGroup);

src/playlist/playlistview.h

@@ -108,7 +108,7 @@ class PlaylistView : public QTreeView {
   void SetPlaylist(Playlist *playlist);
   void RemoveSelected();
 
-  void SetReadOnlySettings(bool read_only) { read_only_settings_ = read_only; }
+  void SetReadOnlySettings(const bool read_only) { read_only_settings_ = read_only; }
 
   Playlist *playlist() const { return playlist_; }
   AppearanceSettingsPage::BackgroundImageType background_image_type() const { return background_image_type_; }
@@ -237,10 +237,9 @@ class PlaylistView : public QTreeView {
 
   bool background_initialized_;
   bool set_initial_header_layout_;
-  bool read_only_settings_;
   bool header_state_loaded_;
   bool header_state_restored_;
-  bool header_state_readonly_;
+  bool read_only_settings_;
 
   QImage background_image_;
   QImage current_song_cover_art_;

src/qobuz/qobuzservice.cpp

@@ -98,6 +98,7 @@ QobuzService::QobuzService(Application *app, QObject *parent)
       credential_id_(-1),
       pending_search_id_(0),
       next_pending_search_id_(1),
+      pending_search_type_(InternetSearchView::SearchType_Artists),
       search_id_(0),
       login_sent_(false),
       login_attempts_(0)

src/scrobbler/lastfmscrobbler.cpp

@@ -42,7 +42,8 @@ LastFMScrobbler::LastFMScrobbler(Application *app, QObject *parent) : Scrobbling
   cache_(new ScrobblerCache(kCacheFile, this)),
   enabled_(false),
   subscriber_(false),
-  submitted_(false) {
+  submitted_(false),
+  timestamp_(0) {
 
   ReloadSettings();
   LoadSession();

src/scrobbler/librefmscrobbler.cpp

@@ -42,7 +42,8 @@ LibreFMScrobbler::LibreFMScrobbler(Application *app, QObject *parent) : Scrobbli
   cache_(new ScrobblerCache(kCacheFile, this)),
   enabled_(false),
   subscriber_(false),
-  submitted_(false) {
+  submitted_(false),
+  timestamp_(0) {
 
   ReloadSettings();
   LoadSession();

src/scrobbler/scrobblingapi20.cpp

@@ -75,6 +75,8 @@ ScrobblingAPI20::ScrobblingAPI20(const QString &name, const QString &settings_gr
   app_(app),
   server_(nullptr),
   enabled_(false),
+  https_(false),
+  prefer_albumartist_(false),
   subscriber_(false),
   submitted_(false),
   scrobbled_(false),

src/settings/backendsettingspage.cpp

@@ -68,7 +68,8 @@ BackendSettingsPage::BackendSettingsPage(SettingsDialog *dialog, QWidget *parent
   SettingsPage(dialog, parent),
   ui_(new Ui_BackendSettingsPage),
   configloaded_(false),
-  engineloaded_(false) {
+  engineloaded_(false),
+  enginetype_current_(Engine::None) {
 
   ui_->setupUi(this);
   setWindowIcon(IconLoader::Load("soundcard"));

src/settings/contextsettingspage.h

@@ -71,7 +71,7 @@ public:
 
  private:
   Ui_ContextSettingsPage *ui_;
-  QCheckBox *checkboxes_[ContextSettingsOrder::NELEMS];
+  QCheckBox *checkboxes_[ContextSettingsOrder::NELEMS]{};
 };
 
 #endif  // CONTEXTSETTINGSPAGE_H

src/settings/settingsdialog.cpp

@@ -124,6 +124,7 @@ SettingsDialog::SettingsDialog(Application *app, OSDBase *osd, QMainWindow *main
       player_(app_->player()),
       engine_(app_->player()->engine()),
       model_(app_->collection_model()->directory_model()),
+      manager_(nullptr),
       appearance_(app_->appearance()),
       ui_(new Ui_SettingsDialog),
       loading_settings_(false) {

src/settings/settingsdialog.h

@@ -120,6 +120,7 @@ class SettingsDialog : public QDialog {
 
  private:
   struct PageData {
+    PageData() : item_(nullptr), scroll_area_(nullptr), page_(nullptr) {}
     QTreeWidgetItem *item_;
     QScrollArea *scroll_area_;
     SettingsPage *page_;

src/smartplaylists/playlistgeneratorinserter.cpp

@@ -40,6 +40,10 @@ PlaylistGeneratorInserter::PlaylistGeneratorInserter(TaskManager *task_manager,
       collection_(collection),
       task_id_(-1),
       destination_(nullptr),
+      row_(0),
+      play_now_(false),
+      enqueue_(false),
+      enqueue_next_(false),
       is_dynamic_(false)
       {}
 

src/smartplaylists/smartplaylistquerywizardplugin.cpp

@@ -39,8 +39,14 @@ class SmartPlaylistQueryWizardPlugin::SearchPage : public QWizardPage {  // claz
 
  public:
   explicit SearchPage(QWidget *parent = nullptr)
-      : QWizardPage(parent), ui_(new Ui_SmartPlaylistQuerySearchPage) {
+      : QWizardPage(parent),
+        layout_(nullptr),
+        new_term_(nullptr),
+        preview_(nullptr),
+        ui_(new Ui_SmartPlaylistQuerySearchPage) {
+
     ui_->setupUi(this);
+
   }
 
   bool isComplete() const override {

src/smartplaylists/smartplaylistquerywizardplugin.h

@@ -71,8 +71,8 @@ class SmartPlaylistQueryWizardPlugin : public SmartPlaylistWizardPlugin {
 
   SmartPlaylistSearch MakeSearch() const;
 
-  SearchPage *search_page_;
   std::unique_ptr<Ui_SmartPlaylistQuerySortPage> sort_ui_;
+  SearchPage *search_page_;
 
   int previous_scrollarea_max_;
 };

src/smartplaylists/smartplaylistsearch.cpp

@@ -30,7 +30,7 @@
 
 #include "smartplaylistsearch.h"
 
-SmartPlaylistSearch::SmartPlaylistSearch() { Reset(); }
+SmartPlaylistSearch::SmartPlaylistSearch() : search_type_(Type_And), terms_(0), sort_type_(Sort_Random), sort_field_(SmartPlaylistSearchTerm::Field_Title), limit_(-1), first_item_(0) { Reset(); }
 
 SmartPlaylistSearch::SmartPlaylistSearch(const SearchType type, const TermList &terms, const SortType sort_type, const SmartPlaylistSearchTerm::Field sort_field, const int limit)
     : search_type_(type),

src/smartplaylists/smartplaylistsearchpreview.cpp

@@ -37,8 +37,9 @@
 
 SmartPlaylistSearchPreview::SmartPlaylistSearchPreview(QWidget *parent)
     : QWidget(parent),
-    ui_(new Ui_SmartPlaylistSearchPreview),
-    model_(nullptr) {
+      ui_(new Ui_SmartPlaylistSearchPreview),
+      backend_(nullptr),
+      model_(nullptr) {
 
   ui_->setupUi(this);
 

src/smartplaylists/smartplaylistsearchterm.cpp

@@ -29,7 +29,7 @@
 #include "smartplaylistsearchterm.h"
 #include "playlist/playlist.h"
 
-SmartPlaylistSearchTerm::SmartPlaylistSearchTerm() : field_(Field_Title), operator_(Op_Equals) {}
+SmartPlaylistSearchTerm::SmartPlaylistSearchTerm() : field_(Field_Title), operator_(Op_Equals), date_(Date_Hour) {}
 
 SmartPlaylistSearchTerm::SmartPlaylistSearchTerm(Field field, Operator op, const QVariant &value)
     : field_(field), operator_(op), value_(value), date_(Date_Hour) {}

src/tidal/tidalservice.cpp

@@ -104,11 +104,13 @@ TidalService::TidalService(Application *app, QObject *parent)
       songssearchlimit_(1),
       fetchalbums_(true),
       download_album_covers_(true),
+      stream_url_method_(TidalSettingsPage::StreamUrlMethod_StreamUrl),
       album_explicit_(false),
       expires_in_(0),
       login_time_(0),
       pending_search_id_(0),
       next_pending_search_id_(1),
+      pending_search_type_(InternetSearchView::SearchType_Artists),
       search_id_(0),
       login_sent_(false),
       login_attempts_(0)

src/widgets/busyindicator.cpp

@@ -33,13 +33,21 @@ class QHideEvent;
 class QShowEvent;
 
 BusyIndicator::BusyIndicator(const QString &text, QWidget *parent)
-  : QWidget(parent) {
+  : QWidget(parent),
+    movie_(nullptr),
+    label_(nullptr) {
+
   Init(text);
+
 }
 
 BusyIndicator::BusyIndicator(QWidget *parent)
-  : QWidget(parent) {
+  : QWidget(parent),
+    movie_(nullptr),
+    label_(nullptr) {
+
   Init(QString());
+
 }
 
 void BusyIndicator::Init(const QString &text) {

src/widgets/volumeslider.cpp

@@ -218,6 +218,7 @@ QSize PrettySlider::sizeHint() const {
 
 VolumeSlider::VolumeSlider(QWidget *parent, const uint max)
     : SliderSlider(Qt::Horizontal, parent, max),
+      anim_enter_(false),
       anim_count_(0),
       timer_anim_(new QTimer(this)),
       pixmap_inset_(QPixmap(drawVolumePixmap())) {

tests/src/collectionmodel_test.cpp

@@ -44,6 +44,7 @@
 namespace {
 
 class CollectionModelTest : public ::testing::Test {
+ CollectionModelTest() : added_dir_(false) {}
  protected:
   void SetUp() override {
     database_.reset(new MemoryDatabase(nullptr));