diff -r ee5758ddb6d2 -r 8e1fe64ce4e3 src/document.cpp
--- a/src/document.cpp	Sat Jun 11 15:20:24 2022 +0300
+++ b/src/document.cpp	Sun Jun 12 20:47:04 2022 +0300
@@ -23,41 +23,38 @@
 #include "model.h"
 #include "ui/objecteditor.h"
 
-EditorTabWidget::EditorTabWidget(
+EditTools::EditTools(
 	Model* model,
-	DocumentManager* documents,
 	const ColorTable& colorTable,
-	QWidget* parent) :
-	QWidget{parent},
+	QObject* parent) :
+	QObject{parent},
 	colorTable{colorTable},
-	canvas{new Canvas{model, this, documents, colorTable, this}},
 	model{model},
 	vertexMap{model}
 {
-	this->setMouseTracking(true);
-	connect(this->canvas, &Canvas::mouseClick, this, &EditorTabWidget::canvasMouseClick);
-	connect(this->canvas, &Canvas::mouseMove, this, &EditorTabWidget::canvasMouseMove);
-	connect(this->canvas, &Canvas::newStatusText, this, &EditorTabWidget::newStatusText);
+#if 0
+	connect(this->canvas, &Canvas::mouseClick, this, &EditTools::canvasMouseClick);
+	connect(this->canvas, &Canvas::mouseMove, this, &EditTools::canvasMouseMove);
+	connect(this->canvas, &Canvas::newStatusText, this, &EditTools::newStatusText);
 	connect(this->model, &Model::dataChanged, this->canvas, qOverload<>(&Canvas::update));
 	connect(&this->vertexMap, &VertexMap::verticesChanged, [&]()
 	{
-		this->canvas->rebuildVertices(this);
+		this->canvas->rebuildVertices(&this->vertexMap);
 	});
 	this->canvas->drawState = &this->drawState;
-	QVBoxLayout* layout = new QVBoxLayout{this};
-	layout->addWidget(this->canvas);
+#endif
 }
 
-EditorTabWidget::~EditorTabWidget()
+EditTools::~EditTools()
 {
 }
 
-void EditorTabWidget::applyToVertices(VertexMap::ApplyFunction fn) const
+void EditTools::applyToVertices(VertexMap::ApplyFunction fn) const
 {
 	this->vertexMap.apply(fn);
 }
 
-void EditorTabWidget::setEditMode(EditingMode mode)
+void EditTools::setEditMode(EditingMode mode)
 {
 	this->drawState.mode = mode;
 }
@@ -87,8 +84,9 @@
 	return any(points, std::bind(isclose, std::placeholders::_1, pos));
 }
 
-void EditorTabWidget::canvasMouseClick(QMouseEvent *event)
+void EditTools::canvasMouseClick(QMouseEvent*)
 {
+#if 0
 	switch(this->drawState.mode)
 	{
 	case SelectMode:
@@ -104,15 +102,11 @@
 		}
 		break;
 	case DrawMode:
-		if (event->button() == Qt::LeftButton and this->canvas->worldPosition.has_value())
-		{
-			const glm::vec3& pos = this->canvas->worldPosition.value();
-			if (isCloseToExistingPoints(this->drawState.polygon, pos))
-			{
+		if (event->button() == Qt::LeftButton) {
+			if (isCloseToExistingPoints(this->drawState.polygon, worldPosition)) {
 				this->closeShape();
 			}
-			else
-			{
+			else {
 				this->drawState.polygon.push_back(pos);
 				updatePreviewPolygon(&this->drawState);
 			}
@@ -128,10 +122,11 @@
 		}
 		break;
 	}
+#endif
 }
-
-void EditorTabWidget::canvasMouseMove(QMouseEvent *event)
+void EditTools::canvasMouseMove(QMouseEvent*)
 {
+#if 0
 	switch(this->drawState.mode)
 	{
 	case SelectMode:
@@ -146,7 +141,9 @@
 		event->accept();
 		break;
 	}
+#endif
 }
+#if 0
 /*
 
 void EditorTabWidget::select(const QSet<ModelId> &selected)
@@ -165,17 +162,17 @@
 	selectionModel->select(itemSelection, QItemSelectionModel::ClearAndSelect);
 }
 */
-const QSet<ModelId> EditorTabWidget::selectedObjects() const
+const QSet<ModelId> EditTools::selectedObjects() const
 {
 	return this->canvas->selectedObjects();
 }
-
-EditingMode EditorTabWidget::currentEditingMode() const
+#endif
+EditingMode EditTools::currentEditingMode() const
 {
 	return this->drawState.mode;
 }
-
-void EditorTabWidget::closeShape()
+#if 0
+void EditTools::closeShape()
 {
 	if (this->drawState.polygon.size() >= 2 and this->drawState.polygon.size() <= 4)
 	{
@@ -222,3 +219,5 @@
 	this->drawState.polygon.clear();
 	updatePreviewPolygon(&this->drawState);
 }
+
+#endif