Lock/Unlock Ratings edit status

src/playlist/playlistheader.cpp

@@ -21,6 +21,7 @@
 #include <QtDebug>
 #include <QContextMenuEvent>
 #include <QMenu>
+#include <QSettings>
 #include <QSignalMapper>
 
 PlaylistHeader::PlaylistHeader(Qt::Orientation orientation, PlaylistView* view,
@@ -32,6 +33,13 @@ PlaylistHeader::PlaylistHeader(Qt::Orientation orientation, PlaylistView* view,
   hide_action_ = menu_->addAction(tr("&Hide..."), this, SLOT(HideCurrent()));
   stretch_action_ = menu_->addAction(tr("&Stretch columns to fit window"), this,
                                      SLOT(ToggleStretchEnabled()));
+  rating_lock_ = menu_->addAction(tr("&Lock Rating"), this, 
+                                  SLOT(ToggleRatingEditStatus()));
+  rating_lock_->setCheckable(true);
+  QSettings s;
+  s.beginGroup("Playlist");
+  rating_lock_->setChecked(s.value("RatingLocked", false).toBool());
+  s.endGroup();
   menu_->addSeparator();
 
   QMenu* align_menu = new QMenu(tr("&Align text"), this);
@@ -71,6 +79,9 @@ void PlaylistHeader::contextMenuEvent(QContextMenuEvent* e) {
     QString title(
         model()->headerData(menu_section_, Qt::Horizontal).toString());
     hide_action_->setText(tr("&Hide %1").arg(title));
+    
+    // show rating_lock action only for ratings section
+    rating_lock_->setVisible(menu_section_ == Playlist::Column_Rating);
 
     Qt::Alignment alignment = view_->column_alignment(menu_section_);
     if (alignment & Qt::AlignLeft)
@@ -129,3 +140,7 @@ void PlaylistHeader::ToggleVisible(int section) {
 }
 
 void PlaylistHeader::enterEvent(QEvent*) { emit MouseEntered(); }
+
+void PlaylistHeader::ToggleRatingEditStatus() {
+  emit SectionRatingLockStatusChanged(rating_lock_->isChecked());
+}

src/playlist/playlistheader.h

@@ -38,11 +38,13 @@ class PlaylistHeader : public StretchHeaderView {
 
 signals:
   void SectionVisibilityChanged(int logical, bool visible);
+  void SectionRatingLockStatusChanged(bool state);
   void MouseEntered();
 
  private slots:
   void HideCurrent();
   void ToggleVisible(int section);
+  void ToggleRatingEditStatus();
   void SetColumnAlignment(QAction* action);
 
  private:
@@ -54,6 +56,7 @@ signals:
   int menu_section_;
   QMenu* menu_;
   QAction* hide_action_;
+  QAction* rating_lock_;
   QAction* stretch_action_;
   QAction* align_left_action_;
   QAction* align_center_action_;

src/playlist/playlistview.cpp

@@ -144,6 +144,8 @@ PlaylistView::PlaylistView(QWidget* parent)
           SLOT(SaveGeometry()));
   connect(header_, SIGNAL(SectionVisibilityChanged(int, bool)),
           SLOT(SaveGeometry()));
+  connect(header_, SIGNAL(SectionRatingLockStatusChanged(bool)),
+          SLOT(SetRatingLockStatus(bool)));
   connect(header_, SIGNAL(sectionResized(int, int, int)),
           SLOT(InvalidateCachedCurrentPixmap()));
   connect(header_, SIGNAL(sectionMoved(int, int, int)),
@@ -270,6 +272,7 @@ void PlaylistView::SetPlaylist(Playlist* playlist) {
 
   playlist_ = playlist;
   LoadGeometry();
+  LoadRatingLockStatus();
   ReloadSettings();
   DynamicModeChanged(playlist->is_dynamic());
   setFocus();
@@ -386,6 +389,12 @@ void PlaylistView::LoadGeometry() {
   }
 }
 
+void PlaylistView::LoadRatingLockStatus() {
+  QSettings s;
+  s.beginGroup(Playlist::kSettingsGroup);
+  ratings_locked_ = s.value("RatingLocked", false).toBool();
+}
+
 void PlaylistView::SaveGeometry() {
   if (read_only_settings_) return;
 
@@ -395,6 +404,15 @@ void PlaylistView::SaveGeometry() {
   settings.setValue("state_version", kStateVersion);
 }
 
+void PlaylistView::SetRatingLockStatus(bool state) {
+  if (read_only_settings_) return;
+
+  ratings_locked_ = state;
+  QSettings s;
+  s.beginGroup(Playlist::kSettingsGroup);
+  s.setValue("RatingLocked", state);
+}
+
 void PlaylistView::ReloadBarPixmaps() {
   currenttrack_bar_left_ = LoadBarPixmap(":currenttrack_bar_left.png");
   currenttrack_bar_mid_ = LoadBarPixmap(":currenttrack_bar_mid.png");
@@ -714,11 +732,14 @@ void PlaylistView::closeEditor(QWidget* editor,
 }
 
 void PlaylistView::mouseMoveEvent(QMouseEvent* event) {
-  QModelIndex index = indexAt(event->pos());
-  if (index.isValid() && index.data(Playlist::Role_CanSetRating).toBool()) {
-    RatingHoverIn(index, event->pos());
-  } else if (rating_delegate_->is_mouse_over()) {
-    RatingHoverOut();
+  // Check wheather rating section is locked by user or not
+  if (!ratings_locked_) {
+    QModelIndex index = indexAt(event->pos());
+    if (index.isValid() && index.data(Playlist::Role_CanSetRating).toBool()) {
+      RatingHoverIn(index, event->pos());
+    } else if (rating_delegate_->is_mouse_over()) {
+      RatingHoverOut();
+    }
   }
   if (!drag_over_) {
     QTreeView::mouseMoveEvent(event);
@@ -726,7 +747,7 @@ void PlaylistView::mouseMoveEvent(QMouseEvent* event) {
 }
 
 void PlaylistView::leaveEvent(QEvent* e) {
-  if (rating_delegate_->is_mouse_over()) {
+  if (rating_delegate_->is_mouse_over() && !ratings_locked_) {
     RatingHoverOut();
   }
   QTreeView::leaveEvent(e);
@@ -784,13 +805,13 @@ void PlaylistView::mousePressEvent(QMouseEvent* event) {
 
   QModelIndex index = indexAt(event->pos());
   if (event->button() == Qt::LeftButton && index.isValid() &&
-      index.data(Playlist::Role_CanSetRating).toBool()) {
+      index.data(Playlist::Role_CanSetRating).toBool() && !ratings_locked_) {
     // Calculate which star was clicked
     double new_rating =
         RatingPainter::RatingForPos(event->pos(), visualRect(index));
 
     if (selectedIndexes().contains(index)) {
-      // Update all the selected items
+      // Update all the selected item ratings
       QModelIndexList src_index_list;
       for (const QModelIndex& index : selectedIndexes()) {
         if (index.data(Playlist::Role_CanSetRating).toBool()) {
@@ -800,7 +821,7 @@ void PlaylistView::mousePressEvent(QMouseEvent* event) {
       }
       playlist_->RateSongs(src_index_list, new_rating);
     } else {
-      // Update only this item
+      // Update only this item rating
       playlist_->RateSong(playlist_->proxy()->mapToSource(index), new_rating);
     }
   } else {

src/playlist/playlistview.h

@@ -142,7 +142,9 @@ signals:
 
  private slots:
   void LoadGeometry();
+  void LoadRatingLockStatus();
   void SaveGeometry();
+  void SetRatingLockStatus(bool state);
   void GlowIntensityChanged();
   void InhibitAutoscrollTimeout();
   void MaybeAutoscroll();
@@ -244,6 +246,8 @@ signals:
   int drop_indicator_row_;
   bool drag_over_;
 
+  bool ratings_locked_; // To store Ratings section lock status
+
   DynamicPlaylistControls* dynamic_controls_;
 
   ColumnAlignmentMap column_alignment_;