diff --git a/plugins/tools/selectiontools/KisToolSelectMagnetic.cc b/plugins/tools/selectiontools/KisToolSelectMagnetic.cc
index e38c2be595..5200d04373 100644
--- a/plugins/tools/selectiontools/KisToolSelectMagnetic.cc
+++ b/plugins/tools/selectiontools/KisToolSelectMagnetic.cc
@@ -1,690 +1,700 @@
 /*
  *  Copyright (c) 2019 Kuntal Majumder <hellozee@disroot.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "KisToolSelectMagnetic.h"
 
 #include <QApplication>
 #include <QPainter>
 #include <QWidget>
 #include <QPainterPath>
 #include <QLayout>
 #include <QVBoxLayout>
 
 #include <kis_debug.h>
 #include <klocalizedstring.h>
 
 #include <KoPointerEvent.h>
 #include <KoShapeController.h>
 #include <KoPathShape.h>
 #include <KoColorSpace.h>
 #include <KoCompositeOp.h>
 #include <KoViewConverter.h>
 
 #include <kis_layer.h>
 #include <kis_selection_options.h>
 #include <kis_cursor.h>
 #include <kis_image.h>
 
 #include "kis_painter.h"
 #include <brushengine/kis_paintop_registry.h>
 #include "canvas/kis_canvas2.h"
 #include "kis_pixel_selection.h"
 #include "kis_selection_tool_helper.h"
 
 #include "kis_algebra_2d.h"
 
 #include "KisHandlePainterHelper.h"
 
 #include <kis_slider_spin_box.h>
 
 #define FEEDBACK_LINE_WIDTH 2
 
 KisToolSelectMagnetic::KisToolSelectMagnetic(KoCanvasBase *canvas)
     : KisToolSelect(canvas,
                     KisCursor::load("tool_magnetic_selection_cursor.png", 5, 5),
                     i18n("Magnetic Selection")),
     m_continuedMode(false), m_interactiveMode(false), m_complete(false), m_selected(false), m_finished(false),
-    m_worker(image()->projection()), m_threshold(70), m_searchRadius(30), m_checkPoint(-1), m_filterRadius(3.0)
+    m_worker(image()->projection()), m_threshold(70), m_searchRadius(30), m_checkPoint(-1), m_filterRadius(3.0),
+    m_mouseHoverCompressor(100, KisSignalCompressor::FIRST_ACTIVE)
+
 { }
 
 void KisToolSelectMagnetic::keyPressEvent(QKeyEvent *event)
 {
     if (event->key() == Qt::Key_Control) {
         m_continuedMode = true;
     }
 
     KisToolSelect::keyPressEvent(event);
 }
 
 /*
  * Calculates the checkpoints responsible to determining the last point from where
  * the edge is calculated.
  * Takes 3 point, min, median and max, searches for an edge point from median to max, if fails,
  * searches for the same from median to min, if fails, median becomes that edge point.
  */
 void KisToolSelectMagnetic::calculateCheckPoints()
 {
     qreal totalDistance = 0.0;
     int finalPoint      = m_checkPoint + 2;
     int midPoint        = m_checkPoint + 1;
     int minPoint        = m_checkPoint;
     qreal maxFactor     = 2;
 
     for (; finalPoint < m_points.count(); finalPoint++) {
         totalDistance += kisDistance(m_points[finalPoint], m_points[finalPoint - 1]);
 
         if (totalDistance <= m_anchorGap / 3) {
             minPoint = finalPoint;
         }
 
         if (totalDistance <= m_anchorGap) {
             midPoint = finalPoint;
         }
 
         if (totalDistance > maxFactor * m_anchorGap) {
             break;
         }
     }
 
     if (totalDistance > maxFactor * m_anchorGap) {
         bool foundSomething = false;
 
         for (int i = midPoint; i < finalPoint; i++) {
             if (m_worker.intensity(m_points.at(i).toPoint()) >= m_threshold) {
                 m_checkPoint = i;
                 m_lastAnchor = m_points.at(i).toPoint();
                 m_anchorPoints.push_back(m_lastAnchor);
                 foundSomething = true;
                 break;
             }
         }
 
         if (!foundSomething) {
             for (int i = midPoint - 1; i >= minPoint; i--) {
                 if (m_worker.intensity(m_points.at(i).toPoint()) >= m_threshold) {
                     m_checkPoint = i;
                     m_lastAnchor = m_points.at(i).toPoint();
                     m_anchorPoints.push_back(m_lastAnchor);
                     foundSomething = true;
                     break;
                 }
             }
         }
 
         if (!foundSomething && m_checkPoint >= 0) {
             m_checkPoint = midPoint;
             m_lastAnchor = m_points.at(m_checkPoint).toPoint();
             m_anchorPoints.push_back(m_lastAnchor);
             foundSomething = true;
         }
     }
 
     totalDistance = 0.0;
 
     for (; finalPoint < m_points.count(); finalPoint++) {
         totalDistance += kisDistance(m_points[finalPoint], m_points[m_checkPoint]);
 
         if (totalDistance > maxFactor * m_anchorGap) {
             calculateCheckPoints();
             totalDistance = 0.0;
         }
     }
 } // KisToolSelectMagnetic::calculateCheckPoints
 
 void KisToolSelectMagnetic::keyReleaseEvent(QKeyEvent *event)
 {
     if (event->key() == Qt::Key_Control ||
         !(event->modifiers() & Qt::ControlModifier))
     {
         m_continuedMode = false;
         if (mode() != PAINT_MODE && !m_points.isEmpty()) {
             finishSelectionAction();
         }
     }
 
     KisToolSelect::keyReleaseEvent(event);
 }
 
 vQPointF KisToolSelectMagnetic::computeEdgeWrapper(QPoint a, QPoint b)
 {
     return m_worker.computeEdge(m_searchRadius, a, b, m_filterRadius);
 }
 
 // the cursor is still tracked even when no mousebutton is pressed
 void KisToolSelectMagnetic::mouseMoveEvent(KoPointerEvent *event)
 {
     m_lastCursorPos = convertToPixelCoord(event);
     KisToolSelect::mouseMoveEvent(event);
     updatePaintPath();
 } // KisToolSelectMagnetic::mouseMoveEvent
 
 // press primary mouse button
 void KisToolSelectMagnetic::beginPrimaryAction(KoPointerEvent *event)
 {
     setMode(KisTool::PAINT_MODE);
     QPointF temp(convertToPixelCoord(event));
 
     if (!image()->bounds().contains(temp.toPoint())) {
         return;
     }
 
     if (m_interactiveMode) {
         m_lastAnchor = QPoint((int) temp.x(), (int) temp.y());
         m_checkPoint = m_points.count() == 0 ? 0 : m_points.count() - 1;
         m_anchorPoints.push_back(m_lastAnchor);
         m_complete = false;
         updateCanvasPixelRect(image()->bounds());
         return;
     }
 
     if (m_complete) {
         checkIfAnchorIsSelected(temp);
         return;
     }
 
     if (m_points.count() != 0) {
         vQPointF edge = computeEdgeWrapper(m_anchorPoints.last(), temp.toPoint());
         m_points.append(edge);
         m_pointCollection.push_back(edge);
         if (m_snapBound.contains(temp)) {
             m_complete = true;
             return;
         }
     } else {
         m_points.push_back(temp);
         qreal zoomLevel = canvas()->viewConverter()->zoom();
         int sides       = (int) std::ceil(10.0 / zoomLevel);
         m_snapBound = QRectF(QPoint(0, 0), QSize(sides, sides));
         m_snapBound.moveCenter(temp);
         emit setInteractiveModeEnable(false);
     }
 
     m_lastAnchor = temp.toPoint();
     m_anchorPoints.push_back(m_lastAnchor);
     updateCanvasPixelRect(image()->bounds());
     m_complete = false;
 
     updatePaintPath();
 } // KisToolSelectMagnetic::beginPrimaryAction
 
 void KisToolSelectMagnetic::checkIfAnchorIsSelected(QPointF temp)
 {
     Q_FOREACH (const QPoint pt, m_anchorPoints) {
         qreal zoomLevel = canvas()->viewConverter()->zoom();
         int sides       = (int) std::ceil(10.0 / zoomLevel);
         QRect r         = QRect(QPoint(0, 0), QSize(sides, sides));
         r.moveCenter(pt);
         if (r.contains(temp.toPoint())) {
             m_selected       = true;
             m_selectedAnchor = m_anchorPoints.lastIndexOf(pt);
             return;
         }
     }
 }
 
 void KisToolSelectMagnetic::beginPrimaryDoubleClickAction(KoPointerEvent *event)
 {
     if (m_complete) {
         QPointF temp = convertToPixelCoord(event);
         if (!image()->bounds().contains(temp.toPoint())) {
             return;
         }
 
         checkIfAnchorIsSelected(temp);
 
         if (m_selected) {
             int prev = m_selectedAnchor == 0 ? m_anchorPoints.count() - 1 : m_selectedAnchor - 1;
             QPoint previousAnchor = m_anchorPoints[prev];
             QPoint nextAnchor     = m_anchorPoints[(m_selectedAnchor + 1) % m_anchorPoints.count()];
 
             m_anchorPoints.remove(m_selectedAnchor);
             m_pointCollection[prev] = computeEdgeWrapper(previousAnchor, nextAnchor);
             m_pointCollection.remove(m_selectedAnchor);
 
             if (m_selectedAnchor == 0)
                 m_snapBound.moveCenter(m_anchorPoints.first());
             m_selected = false;
             reEvaluatePoints();
             return;
         }
 
         int pointA = 0, pointB = 1;
         double dist = std::numeric_limits<double>::max();
         int total   = m_anchorPoints.count();
         for (int i = 0; i < total; i++) {
             double distToCompare =
                 kisDistance(m_anchorPoints[i], temp) + kisDistance(temp, m_anchorPoints[(i + 1) % total]);
             if (dist > distToCompare) {
                 pointA = i;
                 pointB = (i + 1) % total;
                 dist   = distToCompare;
             }
         }
 
         vQPointF path1 = computeEdgeWrapper(m_anchorPoints[pointA], temp.toPoint());
         vQPointF path2 = computeEdgeWrapper(temp.toPoint(), m_anchorPoints[pointB]);
 
         m_pointCollection[pointA] = path1;
         m_pointCollection.insert(pointB, path2);
         m_anchorPoints.insert(pointB, temp.toPoint());
 
         reEvaluatePoints();
     }
 } // KisToolSelectMagnetic::beginPrimaryDoubleClickAction
 
 // drag while primary mouse button is pressed
 void KisToolSelectMagnetic::continuePrimaryAction(KoPointerEvent *event)
 {
     if (m_interactiveMode) {
-        QPoint current = m_lastCursorPos.toPoint();
-
-        vQPointF pointSet = computeEdgeWrapper(m_lastAnchor, current);
-        m_points.resize(m_checkPoint);
-        m_points.append(pointSet);
+        m_lastCursorPos = convertToPixelCoord(event);
+        m_mouseHoverCompressor.start();
+        return;
+    }
 
-        calculateCheckPoints();
+    if (m_selected) {
+        m_anchorPoints[m_selectedAnchor] = convertToPixelCoord(event).toPoint();
+    }
+    KisToolSelectBase::continuePrimaryAction(event);
+}
 
-        m_paintPath = QPainterPath();
-        m_paintPath.moveTo(pixelToView(m_points[0]));
+void KisToolSelectMagnetic::slotCalculateEdge()
+{
+    QPoint current = m_lastCursorPos.toPoint();
 
-        for (int i = 1; i < m_points.count(); i++) {
-            m_paintPath.lineTo(pixelToView(m_points[i]));
-        }
+    vQPointF pointSet = computeEdgeWrapper(m_lastAnchor, current);
+    m_points.resize(m_checkPoint);
+    m_points.append(pointSet);
 
-        updateFeedback();
+    calculateCheckPoints();
 
-        if (m_continuedMode && mode() != PAINT_MODE) {
-            updateContinuedMode();
-        }
+    m_paintPath = QPainterPath();
+    m_paintPath.moveTo(pixelToView(m_points[0]));
 
-        return;
+    for (int i = 1; i < m_points.count(); i++) {
+        m_paintPath.lineTo(pixelToView(m_points[i]));
     }
 
-    if (m_selected) {
-        m_anchorPoints[m_selectedAnchor] = convertToPixelCoord(event).toPoint();
+    updateFeedback();
+
+    if (m_continuedMode && mode() != PAINT_MODE) {
+        updateContinuedMode();
     }
-    KisToolSelectBase::continuePrimaryAction(event);
+
+    return;
 }
 
 // release primary mouse button
 void KisToolSelectMagnetic::endPrimaryAction(KoPointerEvent *event)
 {
     if (m_interactiveMode) {
         finishSelectionAction();
         m_finished = false;
         return;
     }
 
     if (m_selected) {
         int prev = m_selectedAnchor == 0 ? m_anchorPoints.count() - 1 : m_selectedAnchor - 1;
 
         QPoint currentAnchor  = m_anchorPoints[m_selectedAnchor];
         QPoint previousAnchor = m_anchorPoints[prev];
         QPoint nextAnchor     = m_anchorPoints[(m_selectedAnchor + 1) % m_anchorPoints.count()];
 
         if (!image()->bounds().contains(m_anchorPoints[m_selectedAnchor])) {
             m_anchorPoints.remove(m_selectedAnchor);
             m_pointCollection[prev] = computeEdgeWrapper(previousAnchor, nextAnchor);
             m_pointCollection.remove(m_selectedAnchor);
 
             if (m_selectedAnchor == 0)
                 m_snapBound.moveCenter(m_anchorPoints.first());
         } else {
             m_pointCollection[prev] = computeEdgeWrapper(previousAnchor, currentAnchor);
             m_pointCollection[m_selectedAnchor] = computeEdgeWrapper(currentAnchor, nextAnchor);
         }
         reEvaluatePoints();
     }
     m_selected = false;
     KisToolSelectBase::endPrimaryAction(event);
 } // KisToolSelectMagnetic::endPrimaryAction
 
 void KisToolSelectMagnetic::reEvaluatePoints()
 {
     m_points.clear();
     Q_FOREACH (const vQPointF vec, m_pointCollection) {
         m_points.append(vec);
     }
 
     updatePaintPath();
 }
 
 void KisToolSelectMagnetic::finishSelectionAction()
 {
     KisCanvas2 *kisCanvas = dynamic_cast<KisCanvas2 *>(canvas());
     KIS_ASSERT_RECOVER_RETURN(kisCanvas);
     kisCanvas->updateCanvas();
     setMode(KisTool::HOVER_MODE);
     m_complete = false;
     m_finished = true;
 
     // just for testing out
     // m_worker.saveTheImage(m_points);
 
     QRectF boundingViewRect =
         pixelToView(KisAlgebra2D::accumulateBounds(m_points));
 
     KisSelectionToolHelper helper(kisCanvas, kundo2_i18n("Magnetic Selection"));
 
     if (m_points.count() > 2 &&
         !helper.tryDeselectCurrentSelection(boundingViewRect, selectionAction()))
     {
         QApplication::setOverrideCursor(KisCursor::waitCursor());
 
         const SelectionMode mode =
             helper.tryOverrideSelectionMode(kisCanvas->viewManager()->selection(),
                                             selectionMode(),
                                             selectionAction());
         if (mode == PIXEL_SELECTION) {
             KisPixelSelectionSP tmpSel = KisPixelSelectionSP(new KisPixelSelection());
 
             KisPainter painter(tmpSel);
             painter.setPaintColor(KoColor(Qt::black, tmpSel->colorSpace()));
             painter.setAntiAliasPolygonFill(antiAliasSelection());
             painter.setFillStyle(KisPainter::FillStyleForegroundColor);
             painter.setStrokeStyle(KisPainter::StrokeStyleNone);
 
             painter.paintPolygon(m_points);
 
             QPainterPath cache;
             cache.addPolygon(m_points);
             cache.closeSubpath();
             tmpSel->setOutlineCache(cache);
 
             helper.selectPixelSelection(tmpSel, selectionAction());
         } else {
             KoPathShape *path = new KoPathShape();
             path->setShapeId(KoPathShapeId);
 
             QTransform resolutionMatrix;
             resolutionMatrix.scale(1 / currentImage()->xRes(), 1 / currentImage()->yRes());
             path->moveTo(resolutionMatrix.map(m_points[0]));
             for (int i = 1; i < m_points.count(); i++)
                 path->lineTo(resolutionMatrix.map(m_points[i]));
             path->close();
             path->normalize();
             helper.addSelectionShape(path, selectionAction());
         }
         QApplication::restoreOverrideCursor();
     }
 
     resetVariables();
     emit setInteractiveModeEnable(true);
 } // KisToolSelectMagnetic::finishSelectionAction
 
 void KisToolSelectMagnetic::resetVariables()
 {
     m_points.clear();
     m_anchorPoints.clear();
     m_pointCollection.clear();
     m_paintPath = QPainterPath();
 }
 
 void KisToolSelectMagnetic::updatePaintPath()
 {
     m_paintPath = QPainterPath();
     if (m_points.size() > 0) {
         m_paintPath.moveTo(pixelToView(m_points[0]));
     }
     for (int i = 1; i < m_points.count(); i++) {
         m_paintPath.lineTo(pixelToView(m_points[i]));
     }
 
     updateFeedback();
 
     if (m_continuedMode && mode() != PAINT_MODE) {
         updateContinuedMode();
     }
 
     updateCanvasPixelRect(image()->bounds());
 }
 
 void KisToolSelectMagnetic::paint(QPainter& gc, const KoViewConverter &converter)
 {
     Q_UNUSED(converter);
     updatePaintPath();
     if ((mode() == KisTool::PAINT_MODE || m_continuedMode) &&
         !m_points.isEmpty())
     {
         QPainterPath outline = m_paintPath;
         if (m_continuedMode && mode() != KisTool::PAINT_MODE) {
             outline.lineTo(pixelToView(m_lastCursorPos));
         }
         paintToolOutline(&gc, outline);
         drawAnchors(gc);
     }
 }
 
 void KisToolSelectMagnetic::drawAnchors(QPainter &gc)
 {
     qreal zoomLevel = canvas()->viewConverter()->zoom();
     int sides       = (int) std::ceil(10.0 / zoomLevel);
     QSize realSize(sides, sides);
     m_snapBound = QRectF(QPoint(0, 0), realSize);
     m_snapBound.moveCenter(m_anchorPoints.first());
 
     Q_FOREACH (const QPoint pt, m_anchorPoints) {
         KisHandlePainterHelper helper(&gc, handleRadius());
         QRect r(QPoint(0, 0), QSize(sides, sides));
         r.moveCenter(pt);
         if ((m_complete && r.contains(m_lastCursorPos.toPoint())) ||
             (m_snapBound.contains(m_lastCursorPos) && pt == m_anchorPoints.first()))
         {
             helper.setHandleStyle(KisHandleStyle::highlightedPrimaryHandles());
         } else {
             helper.setHandleStyle(KisHandleStyle::primarySelection());
         }
         helper.drawHandleRect(pixelToView(pt), 4, QPoint(0, 0));
     }
 }
 
 void KisToolSelectMagnetic::updateFeedback()
 {
     if (m_points.count() > 1) {
         qint32 lastPointIndex = m_points.count() - 1;
 
         QRectF updateRect = QRectF(m_points[lastPointIndex - 1], m_points[lastPointIndex]).normalized();
         updateRect = kisGrowRect(updateRect, FEEDBACK_LINE_WIDTH);
 
         updateCanvasPixelRect(updateRect);
     }
 }
 
 void KisToolSelectMagnetic::updateContinuedMode()
 {
     if (!m_points.isEmpty()) {
         qint32 lastPointIndex = m_points.count() - 1;
 
         QRectF updateRect = QRectF(m_points[lastPointIndex - 1], m_lastCursorPos).normalized();
         updateRect = kisGrowRect(updateRect, FEEDBACK_LINE_WIDTH);
 
         updateCanvasPixelRect(updateRect);
     }
 }
 
 void KisToolSelectMagnetic::activate(KoToolBase::ToolActivation activation, const QSet<KoShape *> &shapes)
 {
     m_worker      = KisMagneticWorker(image()->projection());
     m_configGroup = KSharedConfig::openConfig()->group(toolId());
     connect(action("undo_polygon_selection"), SIGNAL(triggered()), SLOT(undoPoints()), Qt::UniqueConnection);
+    connect(&m_mouseHoverCompressor, SIGNAL(timeout()), this, SLOT(slotCalculateEdge()));
     KisToolSelect::activate(activation, shapes);
 }
 
 void KisToolSelectMagnetic::deactivate()
 {
     KisCanvas2 *kisCanvas = dynamic_cast<KisCanvas2 *>(canvas());
     KIS_ASSERT_RECOVER_RETURN(kisCanvas);
     kisCanvas->updateCanvas();
 
     m_continuedMode = false;
     m_complete      = true;
 
     disconnect(action("undo_polygon_selection"), nullptr, this, nullptr);
 
     KisTool::deactivate();
 }
 
 void KisToolSelectMagnetic::undoPoints()
 {
     if (m_complete) return;
 
     m_anchorPoints.pop_back();
     m_pointCollection.pop_back();
     reEvaluatePoints();
 }
 
 void KisToolSelectMagnetic::requestStrokeEnd()
 {
     if (m_finished || m_anchorPoints.count() < 2) return;
 
     finishSelectionAction();
     m_finished = false;
 }
 
 void KisToolSelectMagnetic::requestStrokeCancellation()
 {
     m_complete = false;
     m_points.clear();
     m_anchorPoints.clear();
     m_paintPath = QPainterPath();
     updatePaintPath();
 }
 
 QWidget * KisToolSelectMagnetic::createOptionWidget()
 {
     KisToolSelectBase::createOptionWidget();
     KisSelectionOptions *selectionWidget = selectionOptionWidget();
     QHBoxLayout *f1 = new QHBoxLayout();
     QLabel *filterRadiusLabel = new QLabel(i18n("Filter Radius: "), selectionWidget);
     f1->addWidget(filterRadiusLabel);
 
     KisDoubleSliderSpinBox *filterRadiusInput = new KisDoubleSliderSpinBox(selectionWidget);
     filterRadiusInput->setObjectName("radius");
     filterRadiusInput->setRange(2.5, 100.0, 2);
     filterRadiusInput->setSingleStep(0.5);
     filterRadiusInput->setToolTip("Radius of the filter for the detecting edges, might take some time to calculate");
     f1->addWidget(filterRadiusInput);
     connect(filterRadiusInput, SIGNAL(valueChanged(qreal)), this, SLOT(slotSetFilterRadius(qreal)));
 
     QHBoxLayout *f2        = new QHBoxLayout();
     QLabel *thresholdLabel = new QLabel(i18n("Threshold: "), selectionWidget);
     f2->addWidget(thresholdLabel);
 
     KisSliderSpinBox *thresholdInput = new KisSliderSpinBox(selectionWidget);
     thresholdInput->setObjectName("threshold");
     thresholdInput->setRange(1, 255);
     thresholdInput->setSingleStep(10);
     thresholdInput->setToolTip("Threshold for determining the minimum intensity of the edges");
     f2->addWidget(thresholdInput);
     connect(thresholdInput, SIGNAL(valueChanged(int)), this, SLOT(slotSetThreshold(int)));
 
     QHBoxLayout *f3 = new QHBoxLayout();
     QLabel *searchRadiusLabel = new QLabel(i18n("Search Radius: "), selectionWidget);
     f3->addWidget(searchRadiusLabel);
 
     KisSliderSpinBox *searchRadiusInput = new KisSliderSpinBox(selectionWidget);
     searchRadiusInput->setObjectName("frequency");
     searchRadiusInput->setRange(20, 200);
     searchRadiusInput->setSingleStep(10);
     searchRadiusInput->setToolTip("Extra area to be searched");
     searchRadiusInput->setSuffix(" px");
     f3->addWidget(searchRadiusInput);
     connect(searchRadiusInput, SIGNAL(valueChanged(int)), this, SLOT(slotSetSearchRadius(int)));
 
     QHBoxLayout *f4 = new QHBoxLayout();
     QCheckBox *interactiveModeCheckBox = new QCheckBox(i18n("Interactive Mode: "), selectionWidget);
     f4->addWidget(interactiveModeCheckBox);
     interactiveModeCheckBox->setCheckState(Qt::Unchecked);
     connect(interactiveModeCheckBox, SIGNAL(stateChanged(int)), this, SLOT(slotSetInteractiveMode(int)));
 
     QHBoxLayout *f5        = new QHBoxLayout();
     QLabel *anchorGapLabel = new QLabel(i18n("Anchor Gap: "), selectionWidget);
     f5->addWidget(anchorGapLabel);
 
     KisSliderSpinBox *anchorGapInput = new KisSliderSpinBox(selectionWidget);
     anchorGapInput->setObjectName("anchorgap");
     anchorGapInput->setRange(20, 200);
     anchorGapInput->setSingleStep(10);
     anchorGapInput->setToolTip("Gap between 2 anchors in interative mode");
     anchorGapInput->setSuffix(" px");
     f5->addWidget(anchorGapInput);
     anchorGapInput->setEnabled(interactiveModeCheckBox->checkState());
 
     connect(interactiveModeCheckBox, &QCheckBox::stateChanged, [anchorGapInput](int state){
         anchorGapInput->setEnabled(state);
     });
 
     connect(this, SIGNAL(setInteractiveModeEnable(bool)), interactiveModeCheckBox, SLOT(setEnabled(bool)));
 
     connect(anchorGapInput, SIGNAL(valueChanged(int)), this, SLOT(slotSetAnchorGap(int)));
 
     QVBoxLayout *l = dynamic_cast<QVBoxLayout *>(selectionWidget->layout());
 
     l->insertLayout(1, f1);
     l->insertLayout(2, f2);
     l->insertLayout(3, f3);
     l->insertLayout(4, f4);
     l->insertLayout(5, f5);
 
     filterRadiusInput->setValue(m_configGroup.readEntry("filterradius", 3.0));
     thresholdInput->setValue(m_configGroup.readEntry("threshold", 100));
     searchRadiusInput->setValue(m_configGroup.readEntry("searchradius", 30));
     anchorGapInput->setValue(m_configGroup.readEntry("anchorgap", 20));
 
     return selectionWidget;
 } // KisToolSelectMagnetic::createOptionWidget
 
 void KisToolSelectMagnetic::slotSetFilterRadius(qreal r)
 {
     m_filterRadius = r;
     m_configGroup.writeEntry("filterradius", r);
 }
 
 void KisToolSelectMagnetic::slotSetThreshold(int t)
 {
     m_threshold = t;
     m_configGroup.writeEntry("threshold", t);
 }
 
 void KisToolSelectMagnetic::slotSetSearchRadius(int r)
 {
     m_searchRadius = r;
     m_configGroup.writeEntry("searchradius", r);
 }
 
 void KisToolSelectMagnetic::slotSetAnchorGap(int g)
 {
     m_anchorGap = g;
     m_configGroup.writeEntry("anchorgap", g);
 }
 
 void KisToolSelectMagnetic::slotSetInteractiveMode(int i)
 {
     m_interactiveMode = i ? true : false;
 }
 
 void KisToolSelectMagnetic::resetCursorStyle()
 {
     if (selectionAction() == SELECTION_ADD) {
         useCursor(KisCursor::load("tool_magnetic_selection_cursor_add.png", 6, 6));
     } else if (selectionAction() == SELECTION_SUBTRACT) {
         useCursor(KisCursor::load("tool_magnetic_selection_cursor_sub.png", 6, 6));
     } else {
         KisToolSelect::resetCursorStyle();
     }
 }
diff --git a/plugins/tools/selectiontools/KisToolSelectMagnetic.h b/plugins/tools/selectiontools/KisToolSelectMagnetic.h
index e1a366923e..57e102a786 100644
--- a/plugins/tools/selectiontools/KisToolSelectMagnetic.h
+++ b/plugins/tools/selectiontools/KisToolSelectMagnetic.h
@@ -1,130 +1,133 @@
 /*
  *  Copyright (c) 2019 Kuntal Majumder <hellozee@disroot.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef KIS_TOOL_SELECT_MAGNETIC_H_
 #define KIS_TOOL_SELECT_MAGNETIC_H_
 
 #include <QPoint>
 #include "KisSelectionToolFactoryBase.h"
 #include <kis_tool_select_base.h>
+#include <kis_signal_compressor.h>
 #include <kis_icon.h>
 #include "KisMagneticWorker.h"
 
 class QPainterPath;
 
 class KisToolSelectMagnetic : public KisToolSelect
 {
     Q_OBJECT
 
 public:
     KisToolSelectMagnetic(KoCanvasBase *canvas);
     ~KisToolSelectMagnetic() override = default;
     void beginPrimaryAction(KoPointerEvent *event) override;
     void continuePrimaryAction(KoPointerEvent *event) override;
     void endPrimaryAction(KoPointerEvent *event) override;
     void paint(QPainter& gc, const KoViewConverter &converter) override;
 
     void beginPrimaryDoubleClickAction(KoPointerEvent *event) override;
 
     void keyPressEvent(QKeyEvent *event) override;
     void keyReleaseEvent(QKeyEvent *event) override;
 
     void mouseMoveEvent(KoPointerEvent *event) override;
 
     void resetCursorStyle() override;
     void requestStrokeEnd() override;
     void requestStrokeCancellation() override;
     QWidget * createOptionWidget() override;
 
 public Q_SLOTS:
     void deactivate() override;
     void activate(KoToolBase::ToolActivation activation, const QSet<KoShape *> &shapes) override;
     void undoPoints();
     void slotSetFilterRadius(qreal);
     void slotSetThreshold(int);
     void slotSetSearchRadius(int);
     void slotSetAnchorGap(int);
     void slotSetInteractiveMode(int);
+    void slotCalculateEdge();
 
 Q_SIGNALS:
     void setInteractiveModeEnable(bool);
 
 protected:
     using KisToolSelectBase::m_widgetHelper;
 
 private:
     void finishSelectionAction();
     void updateFeedback();
     void updateContinuedMode();
     void updateCanvas();
     void updatePaintPath();
     void resetVariables();
     void drawAnchors(QPainter &gc);
     void checkIfAnchorIsSelected(QPointF pt);
     vQPointF computeEdgeWrapper(QPoint a, QPoint b);
     void reEvaluatePoints();
     void calculateCheckPoints();
 
     QPainterPath m_paintPath;
     QVector<QPointF> m_points;
     QVector<QPoint> m_anchorPoints;
     bool m_continuedMode, m_interactiveMode;
     QPointF m_lastCursorPos;
     QPoint m_lastAnchor;
     bool m_complete, m_selected, m_finished;
     KisMagneticWorker m_worker;
     int m_threshold, m_searchRadius, m_selectedAnchor, m_anchorGap, m_checkPoint;
     qreal m_filterRadius;
     QRectF m_snapBound;
     KConfigGroup m_configGroup;
     QVector<vQPointF> m_pointCollection;
+    KisSignalCompressor m_mouseHoverCompressor;
 };
 
 class KisToolSelectMagneticFactory : public KisSelectionToolFactoryBase
 {
 public:
     KisToolSelectMagneticFactory()
         : KisSelectionToolFactoryBase("KisToolSelectMagnetic")
     {
         setToolTip(i18n("Magnetic Selection Tool"));
         setSection(TOOL_TYPE_SELECTION);
         setIconName(koIconNameCStr("tool_magnetic_selection"));
         setPriority(8);
         setActivationShapeId(KRITA_TOOL_ACTIVATION_ID);
     }
 
     ~KisToolSelectMagneticFactory() override { }
 
     KoToolBase * createTool(KoCanvasBase *canvas) override
     {
         return new KisToolSelectMagnetic(canvas);
     }
 
     QList<QAction *> createActionsImpl() override
     {
         KisActionRegistry *actionRegistry = KisActionRegistry::instance();
         QList<QAction *> actions = KisSelectionToolFactoryBase::createActionsImpl();
 
         actions << actionRegistry->makeQAction("undo_polygon_selection");
 
         return actions;
     }
 };
 
 
 #endif // __selecttoolmagnetic_h__