refactor: Extract snapping logic into dedicated Snapping class

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

src/Snapping.cpp

@@ -0,0 +1,185 @@
+#include "Snapping.h"
+
+#include "ViewportWidget.h"
+#include "Camera.h"
+#include "Document.h"
+#include "SketchFeature.h"
+#include "SketchLine.h"
+#include "SketchRectangle.h"
+#include "SketchObject.h"
+#include "ApplicationController.h"
+
+#include <QOpenGLShaderProgram>
+#include <QVector>
+#include <QtMath>
+
+Snapping::Snapping(ViewportWidget* viewport) : m_viewport(viewport)
+{
+}
+
+bool Snapping::update(const QPoint& mousePos)
+{
+    bool oldIsSnappingOrigin = m_isSnappingOrigin;
+    bool oldIsSnappingVertex = m_isSnappingVertex;
+
+    bool shouldSnap = false;
+    if (m_viewport->currentPlane() != ViewportWidget::SketchPlane::NONE && m_viewport->activeTool() != static_cast<int>(ApplicationController::ToolType::None)) {
+        QVector3D worldPos = m_viewport->unproject(mousePos, m_viewport->currentPlane());
+        const float snapRectHalfSize = 0.0075f * -m_viewport->camera()->zoom();
+
+        switch (m_viewport->currentPlane()) {
+            case ViewportWidget::SketchPlane::XY:
+                shouldSnap = qAbs(worldPos.x()) < snapRectHalfSize && qAbs(worldPos.z()) < snapRectHalfSize;
+                break;
+            case ViewportWidget::SketchPlane::XZ:
+                shouldSnap = qAbs(worldPos.x()) < snapRectHalfSize && qAbs(worldPos.y()) < snapRectHalfSize;
+                break;
+            case ViewportWidget::SketchPlane::YZ:
+                shouldSnap = qAbs(worldPos.y()) < snapRectHalfSize && qAbs(worldPos.z()) < snapRectHalfSize;
+                break;
+            case ViewportWidget::SketchPlane::NONE:
+                break;
+        }
+    }
+
+    m_isSnappingOrigin = shouldSnap;
+    if (m_isSnappingOrigin) {
+        m_isSnappingVertex = false;
+    }
+
+    m_isSnappingVertex = false;
+    if (!m_isSnappingOrigin && m_viewport->document() && m_viewport->currentPlane() != ViewportWidget::SketchPlane::NONE && m_viewport->activeTool() != static_cast<int>(ApplicationController::ToolType::None)) {
+        QVector3D worldPos = m_viewport->unproject(mousePos, m_viewport->currentPlane());
+        const float snapRectHalfSize = 0.0075f * -m_viewport->camera()->zoom();
+
+        for (Feature* feature : m_viewport->document()->features()) {
+            if (auto sketch = dynamic_cast<SketchFeature*>(feature)) {
+                for (const auto& obj : sketch->objects()) {
+                    if (obj->type() == SketchObject::ObjectType::Line) {
+                        auto line = static_cast<const SketchLine*>(obj);
+                        const gp_Pnt vertices[] = {line->startPoint(), line->endPoint()};
+                        for (const auto& vertex : vertices) {
+                            bool isClose = false;
+                            switch (m_viewport->currentPlane()) {
+                            case ViewportWidget::SketchPlane::XY:
+                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::XZ:
+                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::YZ:
+                                isClose = qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::NONE:
+                                break;
+                            }
+
+                            if (isClose) {
+                                m_isSnappingVertex = true;
+                                m_snapVertex = vertex;
+                                goto end_snap_check;
+                            }
+                        }
+                    } else if (obj->type() == SketchObject::ObjectType::Rectangle) {
+                        auto rect = static_cast<const SketchRectangle*>(obj);
+                        const auto& p1 = rect->corner1();
+                        const auto& p3 = rect->corner2();
+                        gp_Pnt p2, p4;
+
+                        if (sketch->plane() == SketchFeature::SketchPlane::XY) {
+                            p2.SetCoord(p3.X(), p1.Y(), p1.Z());
+                            p4.SetCoord(p1.X(), p1.Y(), p3.Z());
+                        } else if (sketch->plane() == SketchFeature::SketchPlane::XZ) {
+                            p2.SetCoord(p3.X(), p1.Y(), p1.Z());
+                            p4.SetCoord(p1.X(), p3.Y(), p1.Z());
+                        } else if (sketch->plane() == SketchFeature::SketchPlane::YZ) {
+                            p2.SetCoord(p1.X(), p3.Y(), p1.Z());
+                            p4.SetCoord(p1.X(), p1.Y(), p3.Z());
+                        }
+
+                        const gp_Pnt vertices[] = {p1, p2, p3, p4};
+                        for (const auto& vertex : vertices) {
+                            bool isClose = false;
+                            switch (m_viewport->currentPlane()) {
+                            case ViewportWidget::SketchPlane::XY:
+                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::XZ:
+                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::YZ:
+                                isClose = qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
+                                break;
+                            case ViewportWidget::SketchPlane::NONE:
+                                break;
+                            }
+
+                            if (isClose) {
+                                m_isSnappingVertex = true;
+                                m_snapVertex = vertex;
+                                goto end_snap_check;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    end_snap_check:;
+    }
+
+    return (oldIsSnappingOrigin != m_isSnappingOrigin) || (oldIsSnappingVertex != m_isSnappingVertex);
+}
+
+void Snapping::paintGL() const
+{
+    if (!m_isSnappingOrigin && !m_isSnappingVertex) {
+        return;
+    }
+
+    QVector<GLfloat> vertices;
+    if (m_isSnappingOrigin) {
+        const float rectSize = 0.0075f * -m_viewport->camera()->zoom();
+        if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::XY) {
+            vertices << -rectSize << 0 << -rectSize << rectSize << 0 << -rectSize;
+            vertices << rectSize << 0 << -rectSize << rectSize << 0 << rectSize;
+            vertices << rectSize << 0 << rectSize << -rectSize << 0 << rectSize;
+            vertices << -rectSize << 0 << rectSize << -rectSize << 0 << -rectSize;
+        } else if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::XZ) {
+            vertices << -rectSize << -rectSize << 0 << rectSize << -rectSize << 0;
+            vertices << rectSize << -rectSize << 0 << rectSize << rectSize << 0;
+            vertices << rectSize << rectSize << 0 << -rectSize << rectSize << 0;
+            vertices << -rectSize << rectSize << 0 << -rectSize << -rectSize << 0;
+        } else if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::YZ) {
+            vertices << 0 << -rectSize << -rectSize << 0 << rectSize << -rectSize;
+            vertices << 0 << rectSize << -rectSize << 0 << rectSize << rectSize;
+            vertices << 0 << rectSize << rectSize << 0 << -rectSize << rectSize;
+            vertices << 0 << -rectSize << rectSize << 0 << -rectSize << -rectSize;
+        }
+    } else if (m_isSnappingVertex) {
+        const float rectSize = 0.0075f * -m_viewport->camera()->zoom();
+        const auto& v = m_snapVertex;
+        if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::XY) {
+            vertices << v.X() - rectSize << v.Y() << v.Z() - rectSize << v.X() + rectSize << v.Y() << v.Z() - rectSize;
+            vertices << v.X() + rectSize << v.Y() << v.Z() - rectSize << v.X() + rectSize << v.Y() << v.Z() + rectSize;
+            vertices << v.X() + rectSize << v.Y() << v.Z() + rectSize << v.X() - rectSize << v.Y() << v.Z() + rectSize;
+            vertices << v.X() - rectSize << v.Y() << v.Z() + rectSize << v.X() - rectSize << v.Y() << v.Z() - rectSize;
+        } else if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::XZ) {
+            vertices << v.X() - rectSize << v.Y() - rectSize << v.Z() << v.X() + rectSize << v.Y() - rectSize << v.Z();
+            vertices << v.X() + rectSize << v.Y() - rectSize << v.Z() << v.X() + rectSize << v.Y() + rectSize << v.Z();
+            vertices << v.X() + rectSize << v.Y() + rectSize << v.Z() << v.X() - rectSize << v.Y() + rectSize << v.Z();
+            vertices << v.X() - rectSize << v.Y() + rectSize << v.Z() << v.X() - rectSize << v.Y() - rectSize << v.Z();
+        } else if (m_viewport->currentPlane() == ViewportWidget::SketchPlane::YZ) {
+            vertices << v.X() << v.Y() - rectSize << v.Z() - rectSize << v.X() << v.Y() + rectSize << v.Z() - rectSize;
+            vertices << v.X() << v.Y() + rectSize << v.Z() - rectSize << v.X() << v.Y() + rectSize << v.Z() + rectSize;
+            vertices << v.X() << v.Y() + rectSize << v.Z() + rectSize << v.X() << v.Y() - rectSize << v.Z() + rectSize;
+            vertices << v.X() << v.Y() - rectSize << v.Z() + rectSize << v.X() << v.Y() - rectSize << v.Z() - rectSize;
+        }
+    }
+    m_viewport->shaderProgram()->setUniformValue(m_viewport->colorLoc(), QVector4D(1.0f, 1.0f, 0.0f, 0.5f));
+    m_viewport->vbo().bind();
+    m_viewport->vbo().allocate(vertices.constData(), vertices.size() * sizeof(GLfloat));
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glDrawArrays(GL_LINES, 0, vertices.size() / 3);
+    glDisable(GL_BLEND);
+}

src/Snapping.h

@@ -0,0 +1,28 @@
+#ifndef SNAPPING_H
+#define SNAPPING_H
+
+#include <gp_Pnt.hxx>
+#include <QPoint>
+
+class ViewportWidget;
+
+class Snapping
+{
+public:
+    explicit Snapping(ViewportWidget* viewport);
+
+    bool update(const QPoint& mousePos);
+    void paintGL() const;
+
+    bool isSnappingOrigin() const { return m_isSnappingOrigin; }
+    bool isSnappingVertex() const { return m_isSnappingVertex; }
+    const gp_Pnt& snapVertex() const { return m_snapVertex; }
+
+private:
+    ViewportWidget* m_viewport = nullptr;
+    bool m_isSnappingOrigin = false;
+    bool m_isSnappingVertex = false;
+    gp_Pnt m_snapVertex;
+};
+
+#endif // SNAPPING_H

src/ViewportWidget.cpp

@@ -1,4 +1,5 @@
 #include "ViewportWidget.h"
+#include "Snapping.h"
 #include "Camera.h"
 #include "ViewCube.h"
 #include "SketchGrid.h"
@@ -61,6 +62,8 @@ ViewportWidget::ViewportWidget(QWidget *parent)
 
     m_sketchTools.insert(static_cast<int>(ApplicationController::ToolType::Line), new LineTool(this));
     m_sketchTools.insert(static_cast<int>(ApplicationController::ToolType::Rectangle), new RectangleTool(this));
+
+    m_snapping = new Snapping(this);
 }
 
 ViewportWidget::~ViewportWidget()
@@ -74,6 +77,7 @@ ViewportWidget::~ViewportWidget()
     doneCurrent();
 
     delete m_featureBrowser;
+    delete m_snapping;
 }
 
 void ViewportWidget::setDocument(Document* document)
@@ -148,59 +152,7 @@ void ViewportWidget::paintGL()
         }
     }
 
-    QVector<GLfloat> vertices;
+    m_snapping->paintGL();
-    if (m_isSnappingOrigin) {
-        const float rectSize = 0.0075f * -m_camera->zoom();
-        if (m_currentPlane == SketchPlane::XY) {
-            vertices << -rectSize << 0 << -rectSize << rectSize << 0 << -rectSize;
-            vertices << rectSize << 0 << -rectSize << rectSize << 0 << rectSize;
-            vertices << rectSize << 0 << rectSize << -rectSize << 0 << rectSize;
-            vertices << -rectSize << 0 << rectSize << -rectSize << 0 << -rectSize;
-        } else if (m_currentPlane == SketchPlane::XZ) {
-            vertices << -rectSize << -rectSize << 0 << rectSize << -rectSize << 0;
-            vertices << rectSize << -rectSize << 0 << rectSize << rectSize << 0;
-            vertices << rectSize << rectSize << 0 << -rectSize << rectSize << 0;
-            vertices << -rectSize << rectSize << 0 << -rectSize << -rectSize << 0;
-        } else if (m_currentPlane == SketchPlane::YZ) {
-            vertices << 0 << -rectSize << -rectSize << 0 << rectSize << -rectSize;
-            vertices << 0 << rectSize << -rectSize << 0 << rectSize << rectSize;
-            vertices << 0 << rectSize << rectSize << 0 << -rectSize << rectSize;
-            vertices << 0 << -rectSize << rectSize << 0 << -rectSize << -rectSize;
-        }
-        m_shaderProgram->setUniformValue(m_colorLoc, QVector4D(1.0f, 1.0f, 0.0f, 0.5f));
-        m_vbo.bind();
-        m_vbo.allocate(vertices.constData(), vertices.size() * sizeof(GLfloat));
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-        glDrawArrays(GL_LINES, 0, vertices.size() / 3);
-        glDisable(GL_BLEND);
-    } else if (m_isSnappingVertex) {
-        const float rectSize = 0.0075f * -m_camera->zoom();
-        const auto& v = m_snapVertex;
-        if (m_currentPlane == SketchPlane::XY) {
-            vertices << v.X() - rectSize << v.Y() << v.Z() - rectSize << v.X() + rectSize << v.Y() << v.Z() - rectSize;
-            vertices << v.X() + rectSize << v.Y() << v.Z() - rectSize << v.X() + rectSize << v.Y() << v.Z() + rectSize;
-            vertices << v.X() + rectSize << v.Y() << v.Z() + rectSize << v.X() - rectSize << v.Y() << v.Z() + rectSize;
-            vertices << v.X() - rectSize << v.Y() << v.Z() + rectSize << v.X() - rectSize << v.Y() << v.Z() - rectSize;
-        } else if (m_currentPlane == SketchPlane::XZ) {
-            vertices << v.X() - rectSize << v.Y() - rectSize << v.Z() << v.X() + rectSize << v.Y() - rectSize << v.Z();
-            vertices << v.X() + rectSize << v.Y() - rectSize << v.Z() << v.X() + rectSize << v.Y() + rectSize << v.Z();
-            vertices << v.X() + rectSize << v.Y() + rectSize << v.Z() << v.X() - rectSize << v.Y() + rectSize << v.Z();
-            vertices << v.X() - rectSize << v.Y() + rectSize << v.Z() << v.X() - rectSize << v.Y() - rectSize << v.Z();
-        } else if (m_currentPlane == SketchPlane::YZ) {
-            vertices << v.X() << v.Y() - rectSize << v.Z() - rectSize << v.X() << v.Y() + rectSize << v.Z() - rectSize;
-            vertices << v.X() << v.Y() + rectSize << v.Z() - rectSize << v.X() << v.Y() + rectSize << v.Z() + rectSize;
-            vertices << v.X() << v.Y() + rectSize << v.Z() + rectSize << v.X() << v.Y() - rectSize << v.Z() + rectSize;
-            vertices << v.X() << v.Y() - rectSize << v.Z() + rectSize << v.X() << v.Y() - rectSize << v.Z() - rectSize;
-        }
-        m_shaderProgram->setUniformValue(m_colorLoc, QVector4D(1.0f, 1.0f, 0.0f, 0.5f));
-        m_vbo.bind();
-        m_vbo.allocate(vertices.constData(), vertices.size() * sizeof(GLfloat));
-        glEnable(GL_BLEND);
-        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-        glDrawArrays(GL_LINES, 0, vertices.size() / 3);
-        glDisable(GL_BLEND);
-    }
 
     if (m_activeSketchTool) {
         m_activeSketchTool->paintGL();
@@ -274,116 +226,7 @@ void ViewportWidget::mouseMoveEvent(QMouseEvent *event)
         }
     }
 
-    bool shouldSnap = false;
+    if (m_snapping->update(m_currentMousePos)) {
-    if (m_currentPlane != SketchPlane::NONE && m_activeTool != static_cast<int>(ApplicationController::ToolType::None)) {
-        QVector3D worldPos = unproject(m_currentMousePos, m_currentPlane);
-        const float snapRectHalfSize = 0.0075f * -m_camera->zoom();
-
-        switch (m_currentPlane) {
-            case SketchPlane::XY:
-                shouldSnap = qAbs(worldPos.x()) < snapRectHalfSize && qAbs(worldPos.z()) < snapRectHalfSize;
-                break;
-            case SketchPlane::XZ:
-                shouldSnap = qAbs(worldPos.x()) < snapRectHalfSize && qAbs(worldPos.y()) < snapRectHalfSize;
-                break;
-            case SketchPlane::YZ:
-                shouldSnap = qAbs(worldPos.y()) < snapRectHalfSize && qAbs(worldPos.z()) < snapRectHalfSize;
-                break;
-            case SketchPlane::NONE:
-                break;
-        }
-    }
-
-    if (shouldSnap != m_isSnappingOrigin) {
-        m_isSnappingOrigin = shouldSnap;
-        if (m_isSnappingOrigin) {
-            m_isSnappingVertex = false;
-        }
-        update();
-    }
-
-    bool oldIsSnappingVertex = m_isSnappingVertex;
-    m_isSnappingVertex = false;
-    if (!m_isSnappingOrigin && m_document && m_currentPlane != SketchPlane::NONE && m_activeTool != static_cast<int>(ApplicationController::ToolType::None)) {
-        QVector3D worldPos = unproject(m_currentMousePos, m_currentPlane);
-        const float snapRectHalfSize = 0.0075f * -m_camera->zoom();
-
-        for (Feature* feature : m_document->features()) {
-            if (auto sketch = dynamic_cast<SketchFeature*>(feature)) {
-                for (const auto& obj : sketch->objects()) {
-                    if (obj->type() == SketchObject::ObjectType::Line) {
-                        auto line = static_cast<const SketchLine*>(obj);
-                        const gp_Pnt vertices[] = {line->startPoint(), line->endPoint()};
-                        for (const auto& vertex : vertices) {
-                            bool isClose = false;
-                            switch (m_currentPlane) {
-                            case SketchPlane::XY:
-                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::XZ:
-                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::YZ:
-                                isClose = qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::NONE:
-                                break;
-                            }
-
-                            if (isClose) {
-                                m_isSnappingVertex = true;
-                                m_snapVertex = vertex;
-                                goto end_snap_check;
-                            }
-                        }
-                    } else if (obj->type() == SketchObject::ObjectType::Rectangle) {
-                        auto rect = static_cast<const SketchRectangle*>(obj);
-                        const auto& p1 = rect->corner1();
-                        const auto& p3 = rect->corner2();
-                        gp_Pnt p2, p4;
-
-                        if (sketch->plane() == SketchFeature::SketchPlane::XY) {
-                            p2.SetCoord(p3.X(), p1.Y(), p1.Z());
-                            p4.SetCoord(p1.X(), p1.Y(), p3.Z());
-                        } else if (sketch->plane() == SketchFeature::SketchPlane::XZ) {
-                            p2.SetCoord(p3.X(), p1.Y(), p1.Z());
-                            p4.SetCoord(p1.X(), p3.Y(), p1.Z());
-                        } else if (sketch->plane() == SketchFeature::SketchPlane::YZ) {
-                            p2.SetCoord(p1.X(), p3.Y(), p1.Z());
-                            p4.SetCoord(p1.X(), p1.Y(), p3.Z());
-                        }
-
-                        const gp_Pnt vertices[] = {p1, p2, p3, p4};
-                        for (const auto& vertex : vertices) {
-                            bool isClose = false;
-                            switch (m_currentPlane) {
-                            case SketchPlane::XY:
-                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::XZ:
-                                isClose = qAbs(worldPos.x() - vertex.X()) < snapRectHalfSize && qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::YZ:
-                                isClose = qAbs(worldPos.y() - vertex.Y()) < snapRectHalfSize && qAbs(worldPos.z() - vertex.Z()) < snapRectHalfSize;
-                                break;
-                            case SketchPlane::NONE:
-                                break;
-                            }
-
-                            if (isClose) {
-                                m_isSnappingVertex = true;
-                                m_snapVertex = vertex;
-                                goto end_snap_check;
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    end_snap_check:;
-    }
-
-    if (oldIsSnappingVertex != m_isSnappingVertex) {
         update();
     }
 
@@ -437,6 +280,21 @@ void ViewportWidget::deactivateActiveTool()
     emit toolDeactivated();
 }
 
+bool ViewportWidget::isSnappingOrigin() const
+{
+    return m_snapping->isSnappingOrigin();
+}
+
+bool ViewportWidget::isSnappingVertex() const
+{
+    return m_snapping->isSnappingVertex();
+}
+
+const gp_Pnt& ViewportWidget::snapVertex() const
+{
+    return m_snapping->snapVertex();
+}
+
 void ViewportWidget::setSnappingHorizontal(bool snapping)
 {
     m_isSnappingHorizontal = snapping;

src/ViewportWidget.h

@@ -21,6 +21,7 @@ class FeatureBrowser;
 class SketchFeature;
 class Camera;
 class SketchTool;
+class Snapping;
 
 class ViewportWidget : public QOpenGLWidget, protected QOpenGLFunctions
 {
@@ -45,11 +46,13 @@ public:
     QOpenGLBuffer& vbo() { return m_vbo; }
     int colorLoc() const { return m_colorLoc; }
     Camera* camera() const { return m_camera; }
+    Document* document() const { return m_document; }
     SketchPlane currentPlane() const { return m_currentPlane; }
     const QPoint& currentMousePos() const { return m_currentMousePos; }
-    bool isSnappingOrigin() const { return m_isSnappingOrigin; }
+    bool isSnappingOrigin() const;
-    bool isSnappingVertex() const { return m_isSnappingVertex; }
+    bool isSnappingVertex() const;
-    const gp_Pnt& snapVertex() const { return m_snapVertex; }
+    const gp_Pnt& snapVertex() const;
+    int activeTool() const { return m_activeTool; }
     bool isSnappingHorizontal() const { return m_isSnappingHorizontal; }
     bool isSnappingVertical() const { return m_isSnappingVertical; }
     void setSnappingHorizontal(bool snapping);
@@ -111,9 +114,7 @@ private:
     SketchTool* m_activeSketchTool = nullptr;
     QMap<int, SketchTool*> m_sketchTools;
     QPoint m_currentMousePos;
-    bool m_isSnappingOrigin = false;
+    Snapping* m_snapping = nullptr;
-    bool m_isSnappingVertex = false;
-    gp_Pnt m_snapVertex;
     bool m_isSnappingHorizontal = false;
     bool m_isSnappingVertical = false;