diff -r 0e729e681a2c -r eb9d900dc79a src/document.cpp
--- a/src/document.cpp	Wed May 25 18:29:49 2022 +0300
+++ b/src/document.cpp	Wed May 25 18:33:38 2022 +0300
@@ -56,21 +56,6 @@
 	connect(this->canvas, &Canvas::mouseClick, this, &Document::canvasMouseClick);
 	connect(this->canvas, &Canvas::mouseMove, this, &Document::canvasMouseMove);
 	connect(this->canvas, &Canvas::newStatusText, this, &Document::newStatusText);
-	connect(this->canvas, &Canvas::selectionChanged, [&](const QSet<ldraw::id_t>& newSelection)
-	{
-		QItemSelectionModel* selectionModel = this->ui.listView->selectionModel();
-		QItemSelection selection;
-		for (const ldraw::id_t id : newSelection)
-		{
-			QModelIndex index = this->model->find(id);
-			if (index != QModelIndex{})
-			{
-				selection.select(index, index);
-			}
-		}
-		QSignalBlocker blocker{this};
-		selectionModel->select(selection, QItemSelectionModel::ClearAndSelect);
-	});
 	connect(this->ui.listView->selectionModel(), &QItemSelectionModel::selectionChanged,
 		[&](const QItemSelection& selected, const QItemSelection& deselected)
 	{
@@ -86,6 +71,7 @@
 	{
 		this->canvas->rebuildVertices(this);
 	});
+	this->canvas->drawState = &this->drawState;
 	this->initializeTools();
 }
 
@@ -167,7 +153,7 @@
 	if (triggeredAction != nullptr)
 	{
 		const int index = triggeredAction->property(INDEX_PROPERTY).toInt();
-		this->mode = static_cast<EditingMode>(index);
+		this->drawState.mode = static_cast<EditingMode>(index);
 		this->ui.toolWidgetStack->setCurrentIndex(index);
 		for (QAction* action : this->toolActions) {
 			action->setChecked(action == triggeredAction);
@@ -202,7 +188,7 @@
 
 void Document::canvasMouseClick(QMouseEvent *event)
 {
-	switch(this->mode)
+	switch(this->drawState.mode)
 	{
 	case SelectMode:
 		if (event->button() == Qt::LeftButton)
@@ -245,7 +231,7 @@
 
 void Document::canvasMouseMove(QMouseEvent *event)
 {
-	switch(this->mode)
+	switch(this->drawState.mode)
 	{
 	case SelectMode:
 		break;