diff -r e085f36e4d9f -r 7b62c52835a1 src/tools/transformtool.cpp
--- a/src/tools/transformtool.cpp	Tue Sep 28 00:21:09 2021 +0300
+++ b/src/tools/transformtool.cpp	Tue Sep 28 22:14:00 2021 +0300
@@ -4,24 +4,19 @@
 #include "linetypes/object.h"
 #include "transformtool.h"
 
-TransformTool::TransformTool(Model* model, QObject* parent) :
+TransformTool::TransformTool(Model* model, QWidget* parent) :
 	BaseTool{model, parent},
 	model{model},
-	button{new QPushButton{"Apply"}},
-	widget{new QWidget}
+	matrixEditor{new MatrixEditor{parent}},
+	button{new QPushButton{"Apply", parent}},
+	widget{new QWidget{parent}}
 {
 	widget->setLayout(new QHBoxLayout{widget});
-	widget->layout()->addWidget(&this->matrixEditor);
+	widget->layout()->addWidget(this->matrixEditor);
 	widget->layout()->addWidget(button);
 	connect(button, &QPushButton::clicked, this, &TransformTool::applyButtonClicked);
 }
 
-TransformTool::~TransformTool()
-{
-	delete this->widget;
-	delete this->button;
-}
-
 QString TransformTool::name() const
 {
 	return "Transform";
@@ -45,7 +40,7 @@
 void TransformTool::applyButtonClicked()
 {
 	Model::EditContext editcontext = this->model->edit();
-	const glm::mat4 matrix = this->matrixEditor.value();
+	const glm::mat4 matrix = this->matrixEditor->value();
 	for (ldraw::id_t id : this->selection)
 	{
 		const ldraw::Object* object = model->get(id);