Flip Q_ENUMS to Q_ENUM

See https://woboq.com/blog/q_enum.html for rationale

python/core/qgsdataitem.sip

@@ -52,6 +52,7 @@ class QgsDataItem : QObject
       Project
     };
 
+
     QgsDataItem( QgsDataItem::Type type, QgsDataItem *parent /TransferThis/, const QString &name, const QString &path );
 %Docstring
 Create new data item.

python/core/qgsdataprovider.sip

@@ -46,7 +46,6 @@ class QgsDataProvider : QObject
 %End
   public:
 
-
     enum DataCapability
     {
       NoDataCapabilities,

python/gui/attributetable/qgsdualview.sip

@@ -34,6 +34,7 @@ class QgsDualView : QStackedWidget
       AttributeEditor
     };
 
+
     explicit QgsDualView( QWidget *parent /TransferThis/ = 0 );
 %Docstring
  Constructor

python/gui/qgsfontbutton.sip

@@ -31,13 +31,13 @@ class QgsFontButton : QToolButton
 %End
   public:
 
-
     enum Mode
     {
       ModeTextRenderer,
       ModeQFont,
     };
 
+
     QgsFontButton( QWidget *parent /TransferThis/ = 0, const QString &dialogTitle = QString() );
 %Docstring
  Construct a new font button.

scripts/sipify.pl

@@ -464,7 +464,7 @@ while ($LINE_IDX < $LINE_COUNT){
         next;
     }
     # Skip Q_OBJECT, Q_PROPERTY, Q_ENUM, Q_GADGET etc.
-    if ($LINE =~ m/^\s*Q_(OBJECT|ENUMS|PROPERTY|GADGET|DECLARE_METATYPE|DECLARE_TYPEINFO|DECL_DEPRECATED|NOWARN_DEPRECATED_(PUSH|POP)).*?$/){
+    if ($LINE =~ m/^\s*Q_(OBJECT|ENUMS|ENUM|PROPERTY|GADGET|DECLARE_METATYPE|DECLARE_TYPEINFO|DECL_DEPRECATED|NOWARN_DEPRECATED_(PUSH|POP)).*?$/){
         next;
     }
 

src/core/auth/qgsauthmanager.h

@@ -60,7 +60,6 @@ class QTimer;
 class CORE_EXPORT QgsAuthManager : public QObject
 {
     Q_OBJECT
-    Q_ENUMS( MessageLevel )
 
   public:
 
@@ -71,6 +70,7 @@ class CORE_EXPORT QgsAuthManager : public QObject
       WARNING = 1,
       CRITICAL = 2
     };
+    Q_ENUM( MessageLevel );
 
     /** Enforce singleton pattern
      * \note To set up the manager instance and initialize everything use QgsAuthManager::instance()->init()

src/core/qgsapplication.cpp

@@ -146,7 +146,6 @@ void QgsApplication::init( QString profileFolder )
   qRegisterMetaType<QgsGeometry::Error>( "QgsGeometry::Error" );
   qRegisterMetaType<QgsProcessingFeatureSourceDefinition>( "QgsProcessingFeatureSourceDefinition" );
   qRegisterMetaType<QgsProcessingOutputLayerDefinition>( "QgsProcessingOutputLayerDefinition" );
-  qRegisterMetaType<QgsUnitTypes::LayoutUnit>( "QgsUnitTypes::LayoutUnit" );
   qRegisterMetaType<QgsFeatureIds>( "QgsFeatureIds" );
 
   QString prefixPath( getenv( "QGIS_PREFIX_PATH" ) ? getenv( "QGIS_PREFIX_PATH" ) : applicationDirPath() );

src/core/qgsdataitem.h

@@ -69,8 +69,7 @@ class CORE_EXPORT QgsDataItem : public QObject
 #endif
 
     Q_OBJECT
-    Q_ENUMS( Type )
-    Q_ENUMS( State )
+
   public:
     enum Type
     {
@@ -82,6 +81,8 @@ class CORE_EXPORT QgsDataItem : public QObject
       Project //!< Represents a QGIS project
     };
 
+    Q_ENUM( Type );
+
     //! Create new data item.
     QgsDataItem( QgsDataItem::Type type, QgsDataItem *parent SIP_TRANSFERTHIS, const QString &name, const QString &path );
     virtual ~QgsDataItem();
@@ -100,6 +101,7 @@ class CORE_EXPORT QgsDataItem : public QObject
       Populating,   //!< Creating children in separate thread (populating or refreshing)
       Populated     //!< Children created
     };
+    Q_ENUM( State );
 
     //! \since QGIS 2.8
     State state() const;
@@ -328,7 +330,7 @@ Q_DECLARE_OPERATORS_FOR_FLAGS( QgsDataItem::Capabilities )
 class CORE_EXPORT QgsLayerItem : public QgsDataItem
 {
     Q_OBJECT
-    Q_ENUMS( LayerType )
+
   public:
     enum LayerType
     {
@@ -344,7 +346,7 @@ class CORE_EXPORT QgsLayerItem : public QgsDataItem
       Plugin     //!< Added in 2.10
     };
 
-    Q_ENUMS( LayerType )
+    Q_ENUM( LayerType );
 
     QgsLayerItem( QgsDataItem *parent, const QString &name, const QString &path, const QString &uri, LayerType layerType, const QString &providerKey );
 

src/core/qgsdataprovider.h

@@ -67,8 +67,6 @@ class CORE_EXPORT QgsDataProvider : public QObject
 
   public:
 
-    Q_ENUMS( DataCapability )
-
     enum DataCapability
     {
       NoDataCapabilities  = 0,
@@ -77,6 +75,7 @@ class CORE_EXPORT QgsDataProvider : public QObject
       Database            = 1 << 2,
       Net                 = 1 << 3  // Internet source
     };
+    Q_ENUM( DataCapability );
 
     /**
      * Properties are used to pass custom configuration options into data providers.

src/core/qgsmessagelog.cpp

@@ -25,7 +25,6 @@ class QgsMessageLogConsole;
 QgsMessageLog::QgsMessageLog()
   : QObject()
 {
-  qRegisterMetaType< QgsMessageLog::MessageLevel >( "QgsMessageLog::MessageLevel" );
 }
 
 void QgsMessageLog::logMessage( const QString &message, const QString &tag, QgsMessageLog::MessageLevel level )

src/core/qgsmessagelog.h

@@ -36,7 +36,6 @@
 class CORE_EXPORT QgsMessageLog : public QObject
 {
     Q_OBJECT
-    Q_ENUMS( MessageLevel )
 
   public:
 
@@ -48,6 +47,7 @@ class CORE_EXPORT QgsMessageLog : public QObject
       CRITICAL = 2,
       NONE = 3
     };
+    Q_ENUM( MessageLevel );
 
     QgsMessageLog();
 

src/core/qgsunittypes.h

@@ -52,6 +52,7 @@ class CORE_EXPORT QgsUnitTypes
       DistanceMillimeters, //!< Millimeters
       DistanceUnknownUnit, //!< Unknown distance unit
     };
+    Q_ENUM( DistanceUnit );
 
     /** Types of distance units
      */
@@ -78,6 +79,7 @@ class CORE_EXPORT QgsUnitTypes
       AreaSquareMillimeters, //! Square millimeters
       AreaUnknownUnit, //!< Unknown areal unit
     };
+    Q_ENUM( AreaUnit );
 
     //! Units of angles
     enum AngleUnit
@@ -90,6 +92,7 @@ class CORE_EXPORT QgsUnitTypes
       AngleTurn, //!< Turn/revolutions
       AngleUnknownUnit, //!< Unknown angle unit
     };
+    Q_ENUM( AngleUnit );
 
     //! Rendering size units
     enum RenderUnit
@@ -103,6 +106,7 @@ class CORE_EXPORT QgsUnitTypes
       RenderUnknownUnit, //!< Mixed or unknown units
       RenderMetersInMapUnits, //!< Meters value as Map units
     };
+    Q_ENUM( RenderUnit );
 
     //! Layout measurement units
     enum LayoutUnit
@@ -116,6 +120,7 @@ class CORE_EXPORT QgsUnitTypes
       LayoutPicas, //!< Typographic picas
       LayoutPixels //!< Pixels
     };
+    Q_ENUM( LayoutUnit );
 
     //! Types of layout units
     enum LayoutUnitType

src/gui/attributetable/qgsdualview.h

@@ -42,7 +42,6 @@ class QgsScrollArea;
 class GUI_EXPORT QgsDualView : public QStackedWidget, private Ui::QgsDualViewBase
 {
     Q_OBJECT
-    Q_ENUMS( ViewMode )
 
   public:
 
@@ -67,6 +66,8 @@ class GUI_EXPORT QgsDualView : public QStackedWidget, private Ui::QgsDualViewBas
       AttributeEditor = 1
     };
 
+    Q_ENUM( ViewMode );
+
     /**
      * \brief Constructor
      * \param parent  The parent widget

src/gui/qgscolorbutton.h

@@ -46,7 +46,6 @@ class GUI_EXPORT QgsColorButton : public QToolButton
 
 
     Q_OBJECT
-    Q_ENUMS( Behavior )
     Q_PROPERTY( QString colorDialogTitle READ colorDialogTitle WRITE setColorDialogTitle )
     Q_PROPERTY( bool acceptLiveUpdates READ acceptLiveUpdates WRITE setAcceptLiveUpdates )
     Q_PROPERTY( QColor color READ color WRITE setColor )
@@ -67,6 +66,7 @@ class GUI_EXPORT QgsColorButton : public QToolButton
       ShowDialog = 0, //!< Show a color picker dialog when clicked
       SignalOnly //!< Emit colorClicked signal only, no dialog
     };
+    Q_ENUM( Behavior );
 
     /** Construct a new color ramp button.
      * Use \a parent to attach a parent QWidget to the dialog.

src/gui/qgsfilterlineedit.h

@@ -47,7 +47,6 @@ class GUI_EXPORT QgsFilterLineEdit : public QLineEdit
 #endif
 
     Q_OBJECT
-    Q_ENUMS( ClearMode )
     Q_PROPERTY( ClearMode clearMode READ clearMode WRITE setClearMode )
     Q_PROPERTY( QString nullValue READ nullValue WRITE setNullValue )
     Q_PROPERTY( QString defaultValue READ defaultValue WRITE setDefaultValue )
@@ -63,6 +62,7 @@ class GUI_EXPORT QgsFilterLineEdit : public QLineEdit
       ClearToNull = 0, //!< Reset value to null
       ClearToDefault, //!< Reset value to default value (see defaultValue() )
     };
+    Q_ENUM( ClearMode );
 
     /** Constructor for QgsFilterLineEdit.
      * \param parent parent widget

src/gui/qgsfloatingwidget.h

@@ -32,7 +32,6 @@ class QgsFloatingWidgetEventFilter;
 class GUI_EXPORT QgsFloatingWidget: public QWidget
 {
     Q_OBJECT
-    Q_ENUMS( AnchorPoint )
     Q_PROPERTY( QWidget *anchorWidget READ anchorWidget WRITE setAnchorWidget NOTIFY anchorWidgetChanged )
     Q_PROPERTY( AnchorPoint anchorPoint READ anchorPoint WRITE setAnchorPoint NOTIFY anchorPointChanged )
     Q_PROPERTY( AnchorPoint anchorWidgetPoint READ anchorWidgetPoint WRITE setAnchorWidgetPoint NOTIFY anchorWidgetPointChanged )
@@ -52,6 +51,7 @@ class GUI_EXPORT QgsFloatingWidget: public QWidget
       BottomMiddle, //!< Bottom center of widget
       BottomRight, //!< Bottom-right of widget
     };
+    Q_ENUM( AnchorPoint );
 
     /** Constructor for QgsFloatingWidget.
      * \param parent parent widget

src/gui/qgsfontbutton.h

@@ -50,8 +50,6 @@ class GUI_EXPORT QgsFontButton : public QToolButton
 
   public:
 
-    Q_ENUMS( Mode )
-
     //! Available button modes.
     enum Mode
     {
@@ -59,6 +57,8 @@ class GUI_EXPORT QgsFontButton : public QToolButton
       ModeQFont, //!< Configure font settings for use with QFont objects
     };
 
+    Q_ENUM( Mode );
+
     /**
      * Construct a new font button.
      * Use \a parent to attach a parent QWidget to the dialog.

tests/src/analysis/testqgsrastercalculator.cpp

@@ -25,7 +25,6 @@ Email                : nyall dot dawson at gmail dot com
 
 Q_DECLARE_METATYPE( QgsRasterCalcNode::Operator )
 
-
 class TestQgsRasterCalculator : public QObject
 {
     Q_OBJECT