Use c++11 '= delete' instead of private copy declarations

Switches the use of private copy constructors/copy assignment
operators to instead use public "=delete" declarations.
This results in clearer compile-time errors if these deleted
functions are used, vs obscure link-time errors.

Author: nyalldawson

src/analysis/openstreetmap/qgsosmdatabase.h

@@ -49,6 +49,9 @@ class ANALYSIS_EXPORT QgsOSMDatabase
     explicit QgsOSMDatabase( const QString& dbFileName = QString() );
     ~QgsOSMDatabase();
 
+    QgsOSMDatabase( const QgsOSMDatabase& rh ) = delete;
+    QgsOSMDatabase& operator=( const QgsOSMDatabase& rh ) = delete;
+
     void setFileName( const QString& dbFileName ) { mDbFileName = dbFileName; }
     QString filename() const { return mDbFileName; }
     bool isOpen() const;
@@ -120,8 +123,6 @@ class ANALYSIS_EXPORT QgsOSMDatabase
     sqlite3_stmt* mStmtWayNodePoints;
     sqlite3_stmt* mStmtWayTags;
 
-    QgsOSMDatabase( const QgsOSMDatabase& rh );
-    QgsOSMDatabase& operator=( const QgsOSMDatabase& rh );
 };
 
 

src/analysis/raster/qgsalignraster.h

@@ -49,6 +49,9 @@ class ANALYSIS_EXPORT QgsAlignRaster
       RasterInfo( const QString& layerpath );
       ~RasterInfo();
 
+      RasterInfo( const RasterInfo& rh ) = delete;
+      RasterInfo& operator=( const RasterInfo& rh ) = delete;
+
       //! Check whether the given path is a valid raster
       bool isValid() const { return nullptr != mDataset; }
 
@@ -87,9 +90,6 @@ class ANALYSIS_EXPORT QgsAlignRaster
 
     private:
 
-      RasterInfo( const RasterInfo& rh );
-      RasterInfo& operator=( const RasterInfo& rh );
-
       friend class QgsAlignRaster;
     };
 

src/analysis/raster/qgsrastercalcnode.h

@@ -76,6 +76,9 @@ class ANALYSIS_EXPORT QgsRasterCalcNode
     QgsRasterCalcNode( const QString& rasterName );
     ~QgsRasterCalcNode();
 
+    QgsRasterCalcNode( const QgsRasterCalcNode& rh ) = delete;
+    QgsRasterCalcNode& operator=( const QgsRasterCalcNode& rh ) = delete;
+
     Type type() const { return mType; }
 
     //set left node
@@ -103,8 +106,6 @@ class ANALYSIS_EXPORT QgsRasterCalcNode
     QgsRasterMatrix* mMatrix;
     Operator mOperator;
 
-    QgsRasterCalcNode( const QgsRasterCalcNode& rh );
-    QgsRasterCalcNode& operator=( const QgsRasterCalcNode& rh );
 };
 
 

src/analysis/raster/qgsrelief.h

@@ -45,6 +45,9 @@ class ANALYSIS_EXPORT QgsRelief
     QgsRelief( const QString& inputFile, const QString& outputFile, const QString& outputFormat );
     ~QgsRelief();
 
+    QgsRelief( const QgsRelief& rh ) = delete;
+    QgsRelief& operator=( const QgsRelief& rh ) = delete;
+
     /** Starts the calculation, reads from mInputFile and stores the result in mOutputFile
       @param p progress dialog that receives update and that is checked for abort. 0 if no progress bar is needed.
       @return 0 in case of success*/
@@ -122,8 +125,6 @@ class ANALYSIS_EXPORT QgsRelief
      */
     bool calculateRegression( const QList< QPair < int, double > >& input, double& a, double& b );
 
-    QgsRelief( const QgsRelief& rh );
-    QgsRelief& operator=( const QgsRelief& rh );
 };
 
 #endif // QGSRELIEF_H

src/app/nodetool/qgsvertexentry.h

@@ -43,6 +43,9 @@ class QgsVertexEntry
                     int penWidth = 2 );
     ~QgsVertexEntry();
 
+    QgsVertexEntry( const QgsVertexEntry& rh ) = delete;
+    QgsVertexEntry& operator=( const QgsVertexEntry& rh ) = delete;
+
     const QgsPointV2& point() const { return mPoint; }
     QgsPoint pointV1() const { return QgsPoint( mPoint.x(), mPoint.y() ); }
     QgsVertexId vertexId() const { return mVertexId; }
@@ -52,10 +55,6 @@ class QgsVertexEntry
 
     void setSelected( bool selected = true );
 
-  private:
-
-    QgsVertexEntry( const QgsVertexEntry& rh );
-    QgsVertexEntry& operator=( const QgsVertexEntry& rh );
 };
 
 #endif

src/app/qgisapp.h

@@ -154,6 +154,9 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
 
     ~QgisApp();
 
+    QgisApp( QgisApp const & ) = delete;
+    QgisApp & operator=( QgisApp const & ) = delete;
+
     /**
      * Add a vector layer to the canvas, returns pointer to it
      */
@@ -1509,11 +1512,6 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     //! Configure layer tree view according to the user options from QSettings
     void setupLayerTreeViewFromSettings();
 
-    /// QgisApp aren't copyable
-    QgisApp( QgisApp const & );
-    /// QgisApp aren't copyable
-    QgisApp & operator=( QgisApp const & );
-
     void readSettings();
     void writeSettings();
     void createActions();

src/app/qgisappinterface.h

@@ -45,6 +45,9 @@ class APP_EXPORT QgisAppInterface : public QgisInterface
     QgisAppInterface( QgisApp *qgisapp );
     ~QgisAppInterface();
 
+    QgisAppInterface( QgisAppInterface const & ) = delete;
+    QgisAppInterface & operator=( QgisAppInterface const & ) = delete;
+
     QgsPluginManagerInterface* pluginManagerInterface() override;
 
     QgsLayerTreeView* layerTreeView() override;
@@ -524,12 +527,6 @@ class APP_EXPORT QgisAppInterface : public QgisInterface
 
   private:
 
-    /// QgisInterface aren't copied
-    QgisAppInterface( QgisAppInterface const & );
-
-    /// QgisInterface aren't copied
-    QgisAppInterface & operator=( QgisAppInterface const & );
-
     //! Pointer to the QgisApp object
     QgisApp *qgis;
 

src/app/qgsidentifyresultsdialog.h

@@ -110,11 +110,12 @@ class APP_EXPORT QgsIdentifyPlotCurve
                           QwtPlot* plot, const QString &title = QString(), QColor color = QColor() );
     ~QgsIdentifyPlotCurve();
 
+    QgsIdentifyPlotCurve( const QgsIdentifyPlotCurve& rh ) = delete;
+    QgsIdentifyPlotCurve& operator=( const QgsIdentifyPlotCurve& rh ) = delete;
+
   private:
     QwtPlotCurve* mPlotCurve;
 
-    QgsIdentifyPlotCurve( const QgsIdentifyPlotCurve& rh );
-    QgsIdentifyPlotCurve& operator=( const QgsIdentifyPlotCurve& rh );
 };
 
 class APP_EXPORT QgsIdentifyResultsDialog: public QDialog, private Ui::QgsIdentifyResultsBase

src/core/effects/qgspainteffectregistry.h

@@ -161,6 +161,9 @@ class CORE_EXPORT QgsPaintEffectRegistry
     QgsPaintEffectRegistry();
     ~QgsPaintEffectRegistry();
 
+    QgsPaintEffectRegistry( const QgsPaintEffectRegistry& rh ) = delete;
+    QgsPaintEffectRegistry& operator=( const QgsPaintEffectRegistry& rh ) = delete;
+
     /** Returns the metadata for a specific effect.
      * @param name unique string name for paint effect class
      * @returns paint effect metadata if found, otherwise nullptr
@@ -212,9 +215,6 @@ class CORE_EXPORT QgsPaintEffectRegistry
 
   private:
 
-    QgsPaintEffectRegistry( const QgsPaintEffectRegistry& rh );
-    QgsPaintEffectRegistry& operator=( const QgsPaintEffectRegistry& rh );
-
     QMap<QString, QgsPaintEffectAbstractMetadata*> mMetadata;
 };
 

src/core/gps/qgsgpsconnectionregistry.h

@@ -34,22 +34,20 @@ class CORE_EXPORT QgsGPSConnectionRegistry
 {
   public:
     QgsGPSConnectionRegistry();
-
     ~QgsGPSConnectionRegistry();
 
+    QgsGPSConnectionRegistry( const QgsGPSConnectionRegistry& rh ) = delete;
+    QgsGPSConnectionRegistry& operator=( const QgsGPSConnectionRegistry& rh ) = delete;
+
     //! Inserts a connection into the registry. The connection is owned by the registry class until it is unregistered again
     void registerConnection( QgsGPSConnection* c );
     //! Unregisters connection. The registry does no longer own the connection
     void unregisterConnection( QgsGPSConnection* c );
 
     QList< QgsGPSConnection *> connectionList() const;
 
-
   private:
 
-    QgsGPSConnectionRegistry( const QgsGPSConnectionRegistry& rh );
-    QgsGPSConnectionRegistry& operator=( const QgsGPSConnectionRegistry& rh );
-
     QSet<QgsGPSConnection*> mConnections;
 };