diff -r dc33f8a707c4 -r 59b6027b9843 src/layers/edittools.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/layers/edittools.h	Sun Jun 26 21:00:06 2022 +0300
@@ -0,0 +1,78 @@
+/*
+ *  LDForge: LDraw parts authoring CAD
+ *  Copyright (C) 2013 - 2020 Teemu Piippo
+ *
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <memory>
+#include <QWidget>
+#include <QToolBar>
+#include "model.h"
+#include "vertexmap.h"
+#include "gl/common.h"
+
+enum EditingMode
+{
+	SelectMode,
+	DrawMode,
+	CircleMode
+};
+
+Q_DECLARE_METATYPE(EditingMode)
+
+Q_DECLARE_METATYPE(ModelAction)
+
+class EditTools final : public QObject, public RenderLayer
+{
+	Q_OBJECT
+	std::vector<glm::vec3> polygon = {{0, 0, 0}};
+	std::size_t numpoints = 1;
+	EditingMode mode = SelectMode;
+	glm::mat4 mvpMatrix;
+	glm::mat4 gridMatrix{1};
+	Plane gridPlane;
+	opt<glm::vec3> worldPosition;
+	CircleToolOptions circleToolOptions = {
+		.fraction = {16, 16},
+		.type = CircularPrimitive::Circle,
+	};
+public:
+	explicit EditTools(QObject *parent = nullptr);
+	~EditTools() override;
+	void applyToVertices(VertexMap::ApplyFunction fn) const;
+	const QSet<ModelId> selectedObjects() const;
+	EditingMode currentEditingMode() const;
+	Q_SLOT void setEditMode(EditingMode mode);
+	Q_SLOT void setGridMatrix(const glm::mat4& gridMatrix);
+	Q_SLOT void setCircleToolOptions(const CircleToolOptions& options);
+Q_SIGNALS:
+	void newStatusText(const QString& newStatusText);
+	void modelAction(const ModelAction& action);
+	void select(const QSet<ModelId>& ids, bool retain);
+protected:
+	void mvpMatrixChanged(const glm::mat4& matrix) override;
+	void mouseMoved(const QMouseEvent* event) override;
+	void mouseClick(const QMouseEvent* event) override;
+	void overpaint(QPainter* painter) override;
+private:
+	const std::vector<ModelAction> modelActions() const;
+	const std::vector<ModelAction> circleModeActions() const;
+	const std::vector<ModelAction> drawModeActions() const;
+	void closeShape();
+	void renderPreview(QPainter* painter, const void* pensptr);
+	void removeLastPoint();
+	bool isCloseToExistingPoints() const;
+};