Fix wrong usage of mFeatureSelectionMgr in the abstract class

python/gui/auto_generated/qgsabstractrelationeditorwidget.sip.in

@@ -75,12 +75,6 @@ Sets the editor ``context``
     QgsAttributeEditorContext editorContext( ) const;
 %Docstring
 Returns the attribute editor context.
-%End
-
-    QgsIFeatureSelectionManager *featureSelectionManager();
-%Docstring
-The feature selection manager is responsible for the selected features
-which are currently being edited.
 %End
 
     bool showLabel() const;
@@ -168,11 +162,6 @@ Adds a new feature with given ``geometry``
     void deleteFeature( QgsFeatureId fid = QgsFeatureId() );
 %Docstring
 Delete a feature with given ``fid``
-%End
-
-    void deleteSelectedFeatures();
-%Docstring
-Deletes the currently selected features
 %End
 
     void linkFeature();
@@ -190,19 +179,14 @@ Called when the link feature dialog is confirmed by the user
 Unlinks a feature with given ``fid``
 %End
 
-    void unlinkSelectedFeatures();
-%Docstring
-Unlinks the selected features from the relation
-%End
-
-    void duplicateFeature();
+    void duplicateFeature( const QgsFeatureId &fid );
 %Docstring
 Duplicates a feature
 %End
 
-    void zoomToSelectedFeatures();
+    void duplicateFeatures( const QgsFeatureIds &fids );
 %Docstring
-Zooms to the selected features
+Duplicates features
 %End
 
   protected:

python/gui/auto_generated/qgsrelationeditorwidget.sip.in

@@ -64,6 +64,12 @@ Define the view mode for the dual view
     QgsDualView::ViewMode viewMode();
 %Docstring
 Gets the view mode for the dual view
+%End
+
+    QgsIFeatureSelectionManager *featureSelectionManager();
+%Docstring
+The feature selection manager is responsible for the selected features
+which are currently being edited.
 %End
 
     void setEditorContext( const QgsAttributeEditorContext &context );
@@ -84,6 +90,36 @@ Defines the buttons which are shown
     Buttons visibleButtons() const;
 %Docstring
 Returns the buttons which are shown
+%End
+
+ void duplicateFeature() /Deprecated/;
+%Docstring
+Duplicates a feature
+
+.. deprecated:: QGIS 3.18
+  use duplicateSelectedFeatures() instead
+%End
+
+    void duplicateSelectedFeatures();
+%Docstring
+Duplicates the selected features
+
+.. versionadded:: 3.18
+%End
+
+    void unlinkSelectedFeatures();
+%Docstring
+Unlinks the selected features from the relation
+%End
+
+    void deleteSelectedFeatures();
+%Docstring
+Deletes the currently selected features
+%End
+
+    void zoomToSelectedFeatures();
+%Docstring
+Zooms to the selected features
 %End
 
     virtual QVariantMap config() const;

src/gui/qgsabstractrelationeditorwidget.cpp

@@ -116,11 +116,6 @@ QgsAttributeEditorContext QgsAbstractRelationEditorWidget::editorContext() const
   return mEditorContext;
 }
 
-QgsIFeatureSelectionManager *QgsAbstractRelationEditorWidget::featureSelectionManager()
-{
-  return mFeatureSelectionMgr;
-}
-
 void QgsAbstractRelationEditorWidget::setFeature( const QgsFeature &feature, bool update )
 {
   mFeature = feature;
@@ -277,12 +272,6 @@ void QgsAbstractRelationEditorWidget::deleteFeature( const QgsFeatureId fid )
   deleteFeatures( QgsFeatureIds() << fid );
 }
 
-void QgsAbstractRelationEditorWidget::deleteSelectedFeatures()
-{
-  QgsFeatureIds selectedFids = mFeatureSelectionMgr->selectedFeatureIds();
-  deleteFeatures( selectedFids );
-}
-
 void QgsAbstractRelationEditorWidget::deleteFeatures( const QgsFeatureIds &fids )
 {
   bool deleteFeatures = true;
@@ -495,11 +484,6 @@ void QgsAbstractRelationEditorWidget::unlinkFeature( const QgsFeatureId fid )
   unlinkFeatures( QgsFeatureIds() << fid );
 }
 
-void QgsAbstractRelationEditorWidget::unlinkSelectedFeatures()
-{
-  unlinkFeatures( mFeatureSelectionMgr->selectedFeatureIds() );
-}
-
 void QgsAbstractRelationEditorWidget::unlinkFeatures( const QgsFeatureIds &fids )
 {
   if ( mNmRelation.isValid() )
@@ -567,11 +551,16 @@ void QgsAbstractRelationEditorWidget::unlinkFeatures( const QgsFeatureIds &fids
   }
 }
 
-void QgsAbstractRelationEditorWidget::duplicateFeature()
+void QgsAbstractRelationEditorWidget::duplicateFeature( const QgsFeatureId &fid )
+{
+  duplicateFeatures( QgsFeatureIds() << fid );
+}
+
+void QgsAbstractRelationEditorWidget::duplicateFeatures( const QgsFeatureIds &fids )
 {
   QgsVectorLayer *layer = mRelation.referencingLayer();
 
-  QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest().setFilterFids( mFeatureSelectionMgr->selectedFeatureIds() ) );
+  QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest().setFilterFids( fids ) );
   QgsFeature f;
   while ( fit.nextFeature( f ) )
   {
@@ -580,18 +569,6 @@ void QgsAbstractRelationEditorWidget::duplicateFeature()
   }
 }
 
-void QgsAbstractRelationEditorWidget::zoomToSelectedFeatures()
-{
-  QgsMapCanvas *c = mEditorContext.mapCanvas();
-  if ( !c )
-    return;
-
-  c->zoomToFeatureIds(
-    mNmRelation.isValid() ? mNmRelation.referencedLayer() : mRelation.referencingLayer(),
-    mFeatureSelectionMgr->selectedFeatureIds()
-  );
-}
-
 
 ///////////////////////////////////////////////////////////////////////////////
 

src/gui/qgsabstractrelationeditorwidget.h

@@ -29,7 +29,6 @@
 #include "qgscollapsiblegroupbox.h"
 #include "qgsdualview.h"
 #include "qgsrelation.h"
-#include "qgsvectorlayerselectionmanager.h"
 #include "qgis_sip.h"
 #include "qgis_gui.h"
 
@@ -109,12 +108,6 @@ class GUI_EXPORT QgsAbstractRelationEditorWidget : public QWidget
      */
     QgsAttributeEditorContext editorContext( ) const;
 
-    /**
-     * The feature selection manager is responsible for the selected features
-     * which are currently being edited.
-     */
-    QgsIFeatureSelectionManager *featureSelectionManager();
-
     /**
      * Defines if a title label should be shown for this widget.
      */
@@ -202,11 +195,6 @@ class GUI_EXPORT QgsAbstractRelationEditorWidget : public QWidget
      */
     void deleteFeature( QgsFeatureId fid = QgsFeatureId() );
 
-    /**
-     * Deletes the currently selected features
-     */
-    void deleteSelectedFeatures();
-
     /**
      * Links a new feature to the relation
      */
@@ -222,24 +210,18 @@ class GUI_EXPORT QgsAbstractRelationEditorWidget : public QWidget
      */
     void unlinkFeature( QgsFeatureId fid = QgsFeatureId() );
 
-    /**
-     * Unlinks the selected features from the relation
-     */
-    void unlinkSelectedFeatures();
-
     /**
      * Duplicates a feature
      */
-    void duplicateFeature();
+    void duplicateFeature( const QgsFeatureId &fid );
 
     /**
-     * Zooms to the selected features
+     * Duplicates features
      */
-    void zoomToSelectedFeatures();
+    void duplicateFeatures( const QgsFeatureIds &fids );
 
   protected:
 
-    QgsVectorLayerSelectionManager *mFeatureSelectionMgr = nullptr;
     QgsAttributeEditorContext mEditorContext;
     QgsRelation mRelation;
     QgsRelation mNmRelation;

src/gui/qgsrelationeditorwidget.cpp

@@ -213,7 +213,7 @@ QgsRelationEditorWidget::QgsRelationEditorWidget( const QVariantMap &config, QWi
   connect( mSaveEditsButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::saveEdits );
   connect( mAddFeatureButton, &QAbstractButton::clicked, this, [this]() { addFeature(); } );
   connect( mAddFeatureGeometryButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::addFeatureGeometry );
-  connect( mDuplicateFeatureButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::duplicateFeature );
+  connect( mDuplicateFeatureButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::duplicateSelectedFeatures );
   connect( mDeleteFeatureButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::deleteSelectedFeatures );
   connect( mLinkFeatureButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::linkFeature );
   connect( mUnlinkFeatureButton, &QAbstractButton::clicked, this, &QgsRelationEditorWidget::unlinkSelectedFeatures );
@@ -606,6 +606,43 @@ void QgsRelationEditorWidget::afterSetRelations()
   updateButtons();
 }
 
+QgsIFeatureSelectionManager *QgsRelationEditorWidget::featureSelectionManager()
+{
+  return mFeatureSelectionMgr;
+}
+
+void QgsRelationEditorWidget::unlinkSelectedFeatures()
+{
+  unlinkFeatures( mFeatureSelectionMgr->selectedFeatureIds() );
+}
+
+void QgsRelationEditorWidget::duplicateFeature()
+{
+  duplicateFeatures( mFeatureSelectionMgr->selectedFeatureIds() );
+}
+
+void QgsRelationEditorWidget::duplicateSelectedFeatures()
+{
+  duplicateFeatures( mFeatureSelectionMgr->selectedFeatureIds() );
+}
+
+void QgsRelationEditorWidget::deleteSelectedFeatures()
+{
+  QgsFeatureIds selectedFids = mFeatureSelectionMgr->selectedFeatureIds();
+  deleteFeatures( selectedFids );
+}
+
+void QgsRelationEditorWidget::zoomToSelectedFeatures()
+{
+  QgsMapCanvas *c = mEditorContext.mapCanvas();
+  if ( !c )
+    return;
+
+  c->zoomToFeatureIds(
+    mNmRelation.isValid() ? mNmRelation.referencedLayer() : mRelation.referencingLayer(),
+    mFeatureSelectionMgr->selectedFeatureIds()
+  );
+}
 
 ///////////////////////////////////////////////////////////////////////////////
 

src/gui/qgsrelationeditorwidget.h

@@ -125,6 +125,12 @@ class GUI_EXPORT QgsRelationEditorWidget : public QgsAbstractRelationEditorWidge
     //! Gets the view mode for the dual view
     QgsDualView::ViewMode viewMode() {return mViewMode;}
 
+    /**
+     * The feature selection manager is responsible for the selected features
+     * which are currently being edited.
+     */
+    QgsIFeatureSelectionManager *featureSelectionManager();
+
     /**
      * Sets the editor \a context
      * \note if context cadDockWidget is null, it won't be possible to digitize
@@ -142,6 +148,33 @@ class GUI_EXPORT QgsRelationEditorWidget : public QgsAbstractRelationEditorWidge
      */
     Buttons visibleButtons() const;
 
+    /**
+     * Duplicates a feature
+     * \deprecated since QGIS 3.18, use duplicateSelectedFeatures() instead
+     */
+    Q_DECL_DEPRECATED void duplicateFeature() SIP_DEPRECATED;
+
+    /**
+     * Duplicates the selected features
+     * \since QGIS 3.18
+     */
+    void duplicateSelectedFeatures();
+
+    /**
+     * Unlinks the selected features from the relation
+     */
+    void unlinkSelectedFeatures();
+
+    /**
+     * Deletes the currently selected features
+     */
+    void deleteSelectedFeatures();
+
+    /**
+     * Zooms to the selected features
+     */
+    void zoomToSelectedFeatures();
+
     /**
      * Returns the current configuration
      */
@@ -197,6 +230,7 @@ class GUI_EXPORT QgsRelationEditorWidget : public QgsAbstractRelationEditorWidge
     QGridLayout *mRelationLayout = nullptr;
     QObjectUniquePtr<QgsMapToolDigitizeFeature> mMapToolDigitize;
     QButtonGroup *mViewModeButtonGroup = nullptr;
+    QgsVectorLayerSelectionManager *mFeatureSelectionMgr = nullptr;
 
     Buttons mButtonsVisibility = Button::AllButtons;
     bool mVisible = true;