diff --git a/include/AutomationEditor.h b/include/AutomationEditor.h
index 8105e63c6..d203ac25e 100644
--- a/include/AutomationEditor.h
+++ b/include/AutomationEditor.h
@@ -267,6 +267,8 @@ public:
 
 	AutomationEditor* m_editor;
 
+	QSize sizeHint() const;
+
 signals:
 	void currentPatternChanged();
 
diff --git a/include/BBEditor.h b/include/BBEditor.h
index 1e2bda33c..d13d1cc45 100644
--- a/include/BBEditor.h
+++ b/include/BBEditor.h
@@ -43,6 +43,8 @@ public:
 	BBEditor( BBTrackContainer * _tc );
 	~BBEditor();
 
+	QSize sizeHint() const;
+
 	const BBTrackContainerView* trackContainerView() const {
 		return m_trackContainerView;
 	}
diff --git a/include/PianoRoll.h b/include/PianoRoll.h
index 1d7cd1146..0d87c752a 100644
--- a/include/PianoRoll.h
+++ b/include/PianoRoll.h
@@ -379,6 +379,8 @@ public:
 		return "pianoroll";
 	}
 
+	QSize sizeHint() const;
+
 signals:
 	void currentPatternChanged();
 
diff --git a/include/SongEditor.h b/include/SongEditor.h
index eb42b1ea4..4f523dbb2 100644
--- a/include/SongEditor.h
+++ b/include/SongEditor.h
@@ -137,6 +137,8 @@ class SongEditorWindow : public Editor
 public:
 	SongEditorWindow(Song* song);
 
+	QSize sizeHint() const;
+
 	SongEditor* m_editor;
 
 protected slots:
diff --git a/src/gui/AutomationEditor.cpp b/src/gui/AutomationEditor.cpp
index 46ef53f1b..b949b3396 100644
--- a/src/gui/AutomationEditor.cpp
+++ b/src/gui/AutomationEditor.cpp
@@ -2280,18 +2280,6 @@ AutomationEditorWindow::AutomationEditorWindow() :
 	setFocusPolicy( Qt::StrongFocus );
 	setFocus();
 	setWindowIcon( embed::getIconPixmap( "automation" ) );
-
-	// Add us to workspace
-	if( Engine::mainWindow()->workspace() )
-	{
-		parentWidget()->resize( INITIAL_WIDTH, INITIAL_HEIGHT );
-		parentWidget()->hide();
-	}
-	else
-	{
-		resize( INITIAL_WIDTH, INITIAL_HEIGHT );
-		hide();
-	}
 }
 
 
@@ -2335,6 +2323,11 @@ int AutomationEditorWindow::quantization() const
 	return m_editor->quantization();
 }
 
+QSize AutomationEditorWindow::sizeHint() const
+{
+	return {INITIAL_WIDTH, INITIAL_HEIGHT};
+}
+
 void AutomationEditorWindow::play()
 {
 	m_editor->play();
diff --git a/src/gui/BBEditor.cpp b/src/gui/BBEditor.cpp
index a8d631481..ef3291f32 100644
--- a/src/gui/BBEditor.cpp
+++ b/src/gui/BBEditor.cpp
@@ -114,11 +114,6 @@ BBEditor::BBEditor( BBTrackContainer* tc ) :
 	m_toolBar->addWidget( add_bar );
 	m_toolBar->addSeparator();
 
-	parentWidget()->layout()->setSizeConstraint( QLayout::SetMinimumSize );
-	parentWidget()->resize( minimumWidth(), 300 );
-	parentWidget()->move( 610, 5 );
-	parentWidget()->show();
-
 	connect( &tc->m_bbComboBoxModel, SIGNAL( dataChanged() ),
 			m_trackContainerView, SLOT( updatePosition() ) );
 
@@ -134,13 +129,15 @@ BBEditor::BBEditor( BBTrackContainer* tc ) :
 }
 
 
-
-
 BBEditor::~BBEditor()
 {
 }
 
 
+QSize BBEditor::sizeHint() const
+{
+	return {minimumWidth(), 300};
+}
 
 
 void BBEditor::removeBBView( int bb )
@@ -149,8 +146,6 @@ void BBEditor::removeBBView( int bb )
 }
 
 
-
-
 void BBEditor::play()
 {
 	if( Engine::getSong()->playMode() != Song::Mode_PlayBB )
@@ -164,8 +159,6 @@ void BBEditor::play()
 }
 
 
-
-
 void BBEditor::stop()
 {
 	Engine::getSong()->stop();
diff --git a/src/gui/Editor.cpp b/src/gui/Editor.cpp
index 57042b623..0e911b960 100644
--- a/src/gui/Editor.cpp
+++ b/src/gui/Editor.cpp
@@ -98,11 +98,6 @@ Editor::Editor(bool record) :
 		connect(m_recordAccompanyButton, SIGNAL(clicked()), this, SLOT(recordAccompany()));
 	}
 	connect(m_stopButton, SIGNAL(clicked()), this, SLOT(stop()));
-
-
-	// Add editor to main window
-	Engine::mainWindow()->workspace()->addSubWindow(this);
-	parentWidget()->setAttribute(Qt::WA_DeleteOnClose, false);
 }
 
 Editor::~Editor()
diff --git a/src/gui/MainWindow.cpp b/src/gui/MainWindow.cpp
index 86a4ea65d..fb99d60bb 100644
--- a/src/gui/MainWindow.cpp
+++ b/src/gui/MainWindow.cpp
@@ -530,6 +530,28 @@ void MainWindow::finalize()
 		SetupDialog sd( SetupDialog::AudioSettings );
 		sd.exec();
 	}
+
+	// Add editor subwindows
+	for (QWidget* widget : QList<QWidget*>{
+			Engine::automationEditor(),
+			Engine::getBBEditor(),
+			Engine::pianoRoll(),
+			Engine::songEditor()
+	})
+	{
+		QMdiSubWindow* window = workspace()->addSubWindow(widget);
+		window->setWindowIcon(widget->windowIcon());
+		window->setAttribute(Qt::WA_DeleteOnClose, false);
+		window->resize(widget->sizeHint());
+	}
+
+	Engine::automationEditor()->parentWidget()->hide();
+	Engine::getBBEditor()->parentWidget()->move( 610, 5 );
+	Engine::getBBEditor()->parentWidget()->show();
+	Engine::pianoRoll()->parentWidget()->move(5, 5);
+	Engine::pianoRoll()->parentWidget()->hide();
+	Engine::songEditor()->parentWidget()->move(5, 5);
+	Engine::songEditor()->parentWidget()->show();
 }
 
 
diff --git a/src/gui/PianoRoll.cpp b/src/gui/PianoRoll.cpp
index b6f8e737d..81cb01ae7 100644
--- a/src/gui/PianoRoll.cpp
+++ b/src/gui/PianoRoll.cpp
@@ -4222,18 +4222,6 @@ PianoRollWindow::PianoRollWindow() :
 	setWindowIcon( embed::getIconPixmap( "piano" ) );
 	setCurrentPattern( NULL );
 
-	if( Engine::mainWindow()->workspace() )
-	{
-		parentWidget()->resize(m_toolBar->sizeHint().width()+10, INITIAL_PIANOROLL_HEIGHT);
-		parentWidget()->move( 5, 5 );
-		parentWidget()->hide();
-	}
-	else
-	{
-		resize( m_toolBar->sizeHint().width()+10, INITIAL_PIANOROLL_HEIGHT );
-		hide();
-	}
-
 	// Connections
 	connect(m_editor, SIGNAL(currentPatternChanged()), this, SIGNAL(currentPatternChanged()));
 }
@@ -4294,8 +4282,12 @@ void PianoRollWindow::saveSettings(QDomDocument & doc, QDomElement & de)
 	MainWindow::saveWidgetState(this, de);
 }
 
-
 void PianoRollWindow::loadSettings(const QDomElement & de)
 {
 	MainWindow::restoreWidgetState(this, de);
 }
+
+QSize PianoRollWindow::sizeHint() const
+{
+	return {m_toolBar->sizeHint().width()+10, INITIAL_PIANOROLL_HEIGHT};
+}
diff --git a/src/gui/SongEditor.cpp b/src/gui/SongEditor.cpp
index 10c76d4bc..adb6747c8 100644
--- a/src/gui/SongEditor.cpp
+++ b/src/gui/SongEditor.cpp
@@ -680,10 +680,11 @@ SongEditorWindow::SongEditorWindow(Song* song) :
 	m_toolBar->addSeparator();
 	m_toolBar->addWidget( zoom_lbl );
 	m_toolBar->addWidget( m_zoomingComboBox );
+}
 
-	parentWidget()->resize( 600, 300 );
-	parentWidget()->move( 5, 5 );
-	parentWidget()->show();
+QSize SongEditorWindow::sizeHint() const
+{
+	return {600, 300};
 }