Many tools support streaming mode

src/app/qgsmaptooladdpart.cpp

@@ -40,6 +40,20 @@ QgsMapToolCapture::Capabilities QgsMapToolAddPart::capabilities() const
   return QgsMapToolCapture::SupportsCurves;
 }
 
+bool QgsMapToolAddPart::supportsTechnique( QgsMapToolCapture::CaptureTechnique technique ) const
+{
+  switch ( technique )
+  {
+    case QgsMapToolCapture::StraightSegments:
+    case QgsMapToolCapture::Streaming:
+      return true;
+
+    case QgsMapToolCapture::CircularString:
+      return false;
+  }
+  return false;
+}
+
 void QgsMapToolAddPart::canvasReleaseEvent( QgsMapMouseEvent *e )
 {
   if ( checkSelection() )

src/app/qgsmaptooladdpart.h

@@ -24,6 +24,7 @@ class APP_EXPORT QgsMapToolAddPart : public QgsMapToolCapture
     QgsMapToolAddPart( QgsMapCanvas *canvas );
 
     QgsMapToolCapture::Capabilities capabilities() const override;
+    bool supportsTechnique( CaptureTechnique technique ) const override;
 
     void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
     void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override;

src/app/qgsmaptooladdring.cpp

@@ -33,6 +33,20 @@ QgsMapToolAddRing::QgsMapToolAddRing( QgsMapCanvas *canvas )
   connect( QgisApp::instance(), &QgisApp::projectRead, this, &QgsMapToolAddRing::stopCapturing );
 }
 
+bool QgsMapToolAddRing::supportsTechnique( QgsMapToolCapture::CaptureTechnique technique ) const
+{
+  switch ( technique )
+  {
+    case QgsMapToolCapture::StraightSegments:
+    case QgsMapToolCapture::Streaming:
+      return true;
+
+    case QgsMapToolCapture::CircularString:
+      return false;
+  }
+  return false;
+}
+
 void QgsMapToolAddRing::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
 {
 

src/app/qgsmaptooladdring.h

@@ -22,5 +22,6 @@ class APP_EXPORT QgsMapToolAddRing: public QgsMapToolCapture
     Q_OBJECT
   public:
     QgsMapToolAddRing( QgsMapCanvas *canvas );
+    bool supportsTechnique( CaptureTechnique technique ) const override;
     void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override;
 };

src/app/qgsmaptoolfillring.cpp

@@ -33,6 +33,20 @@ QgsMapToolFillRing::QgsMapToolFillRing( QgsMapCanvas *canvas )
   mToolName = tr( "Fill ring" );
 }
 
+bool QgsMapToolFillRing::supportsTechnique( QgsMapToolCapture::CaptureTechnique technique ) const
+{
+  switch ( technique )
+  {
+    case QgsMapToolCapture::StraightSegments:
+    case QgsMapToolCapture::Streaming:
+      return true;
+
+    case QgsMapToolCapture::CircularString:
+      return false;
+  }
+  return false;
+}
+
 void QgsMapToolFillRing::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
 {
   //check if we operate on a vector layer

src/app/qgsmaptoolfillring.h

@@ -26,6 +26,7 @@ class APP_EXPORT QgsMapToolFillRing: public QgsMapToolCapture
     Q_OBJECT
   public:
     QgsMapToolFillRing( QgsMapCanvas *canvas );
+    bool supportsTechnique( CaptureTechnique technique ) const override;
     void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override;
 
   private:

src/app/qgsmaptoolreshape.cpp

@@ -87,6 +87,7 @@ bool QgsMapToolReshape::supportsTechnique( QgsMapToolCapture::CaptureTechnique t
   {
     case QgsMapToolCapture::StraightSegments:
     case QgsMapToolCapture::CircularString:
+    case QgsMapToolCapture::Streaming:
       return true;
   }
   return false;

src/app/qgsmaptoolsplitfeatures.cpp

@@ -36,6 +36,7 @@ bool QgsMapToolSplitFeatures::supportsTechnique( QgsMapToolCapture::CaptureTechn
   {
     case QgsMapToolCapture::StraightSegments:
     case QgsMapToolCapture::CircularString:
+    case QgsMapToolCapture::Streaming:
       return true;
   }
   return false;

src/app/qgsmaptoolsplitparts.cpp

@@ -30,6 +30,20 @@ QgsMapToolSplitParts::QgsMapToolSplitParts( QgsMapCanvas *canvas )
   setSnapToLayerGridEnabled( false );
 }
 
+bool QgsMapToolSplitParts::supportsTechnique( QgsMapToolCapture::CaptureTechnique technique ) const
+{
+  switch ( technique )
+  {
+    case QgsMapToolCapture::StraightSegments:
+    case QgsMapToolCapture::Streaming:
+      return true;
+
+    case QgsMapToolCapture::CircularString:
+      return false;
+  }
+  return false;
+}
+
 void QgsMapToolSplitParts::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
 {
   //check if we operate on a vector layer

src/app/qgsmaptoolsplitparts.h

@@ -24,6 +24,7 @@ class APP_EXPORT QgsMapToolSplitParts: public QgsMapToolCapture
     Q_OBJECT
   public:
     QgsMapToolSplitParts( QgsMapCanvas *canvas );
+    bool supportsTechnique( CaptureTechnique technique ) const override;
     void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override;
 };
 

src/gui/qgsmaptooldigitizefeature.cpp

@@ -55,6 +55,7 @@ bool QgsMapToolDigitizeFeature::supportsTechnique( QgsMapToolCapture::CaptureTec
     case QgsMapToolCapture::StraightSegments:
       return true;
     case QgsMapToolCapture::CircularString:
+    case QgsMapToolCapture::Streaming:
       return mode() != QgsMapToolCapture::CapturePoint;
   }
   return false;