diff -r cef43609a374 -r 0133e565e072 src/document.cpp
--- a/src/document.cpp	Sat Dec 14 23:00:01 2019 +0200
+++ b/src/document.cpp	Wed Jan 01 17:45:56 2020 +0200
@@ -2,13 +2,18 @@
 #include "ui_document.h"
 #include "model.h"
 
-Document::Document(Model* model, QWidget* parent) :
+Document::Document(Model* model, DocumentManager* documents, QWidget* parent) :
 	QWidget{parent},
 	model{model},
+	documents{documents},
+	renderer{new PartRenderer{model, documents, this}},
 	ui{*new Ui::Document}
 {
 	this->ui.setupUi(this);
 	this->ui.listView->setModel(model);
+	QVBoxLayout* layout = new QVBoxLayout;
+	layout->addWidget(this->renderer);
+	this->ui.viewportFrame->setLayout(layout);
 	connect(this->ui.splitter, &QSplitter::splitterMoved, this, &Document::splitterChanged);
 }