Use the standard snap indicator with move features tool

Fixes #18957

Author: nyalldawson

src/app/qgsmaptoolmovefeature.cpp

@@ -24,7 +24,7 @@
 #include "qgstolerance.h"
 #include "qgsvectorlayer.h"
 #include "qgsvectorlayertools.h"
-
+#include "qgssnapindicator.h"
 
 #include <QMessageBox>
 #include <QMouseEvent>
@@ -34,6 +34,7 @@
 
 QgsMapToolMoveFeature::QgsMapToolMoveFeature( QgsMapCanvas *canvas, MoveMode mode )
   : QgsMapToolAdvancedDigitizing( canvas, QgisApp::instance()->cadDockWidget() )
+  , mSnapIndicator( qgis::make_unique< QgsSnapIndicator>( canvas ) )
   , mMode( mode )
 {
   mToolName = tr( "Move feature" );
@@ -54,6 +55,7 @@ void QgsMapToolMoveFeature::cadCanvasMoveEvent( QgsMapMouseEvent *e )
     mRubberBand->setTranslationOffset( offsetX, offsetY );
     mRubberBand->updatePosition();
     mRubberBand->update();
+    mSnapIndicator->setMatch( e->mapPointMatch() );
   }
 }
 
@@ -64,6 +66,7 @@ void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
   {
     delete mRubberBand;
     mRubberBand = nullptr;
+    mSnapIndicator->setMatch( QgsPointLocator::Match() );
     cadDockWidget()->clear();
     notifyNotEditableLayer();
     return;
@@ -152,6 +155,7 @@ void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
           mMovedFeatures.clear();
           delete mRubberBand;
           mRubberBand = nullptr;
+          mSnapIndicator->setMatch( QgsPointLocator::Match() );
           return;
         }
       }
@@ -170,6 +174,7 @@ void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
       cadDockWidget()->clear();
       delete mRubberBand;
       mRubberBand = nullptr;
+      mSnapIndicator->setMatch( QgsPointLocator::Match() );
       return;
     }
 
@@ -190,6 +195,7 @@ void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
         }
         delete mRubberBand;
         mRubberBand = nullptr;
+        mSnapIndicator->setMatch( QgsPointLocator::Match() );
         cadDockWidget()->clear();
         break;
 
@@ -202,6 +208,7 @@ void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
           emit messageEmitted( *errorMsg, Qgis::Critical );
           delete mRubberBand;
           mRubberBand = nullptr;
+          mSnapIndicator->setMatch( QgsPointLocator::Match() );
         }
         break;
     }
@@ -216,6 +223,7 @@ void QgsMapToolMoveFeature::deactivate()
   //delete rubber band
   delete mRubberBand;
   mRubberBand = nullptr;
+  mSnapIndicator->setMatch( QgsPointLocator::Match() );
 
   QgsMapTool::deactivate();
 }
@@ -227,5 +235,6 @@ void QgsMapToolMoveFeature::keyReleaseEvent( QKeyEvent *e )
     cadDockWidget()->clear();
     delete mRubberBand;
     mRubberBand = nullptr;
+    mSnapIndicator->setMatch( QgsPointLocator::Match() );
   }
 }

src/app/qgsmaptoolmovefeature.h

@@ -19,6 +19,8 @@
 #include "qgsmaptooladvanceddigitizing.h"
 #include "qgis_app.h"
 
+class QgsSnapIndicator;
+
 //! Map tool for translating feature position by mouse drag
 class APP_EXPORT QgsMapToolMoveFeature: public QgsMapToolAdvancedDigitizing
 {
@@ -50,6 +52,9 @@ class APP_EXPORT QgsMapToolMoveFeature: public QgsMapToolAdvancedDigitizing
     //! Rubberband that shows the feature being moved
     QgsRubberBand *mRubberBand = nullptr;
 
+    //! Snapping indicators
+    std::unique_ptr<QgsSnapIndicator> mSnapIndicator;
+
     //! Id of moved feature
     QgsFeatureIds mMovedFeatures;