From 967f1314327261051f92f74dc760edbcf8ed6a2a Mon Sep 17 00:00:00 2001
From: Hyunjin Song <tteu.ingog@gmail.com>
Date: Wed, 7 Nov 2018 13:41:03 +0900
Subject: [PATCH] Fix song editor visualization after maximizing (#4698)

---
 include/SongEditor.h           |  1 +
 src/gui/editors/SongEditor.cpp | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/SongEditor.h b/include/SongEditor.h
index db4d7d78151..e03c632807e 100644
--- a/include/SongEditor.h
+++ b/include/SongEditor.h
@@ -155,6 +155,7 @@ class SongEditorWindow : public Editor
 
 protected:
 	virtual void resizeEvent( QResizeEvent * event );
+	virtual void changeEvent( QEvent * );
 
 protected slots:
 	void play();
diff --git a/src/gui/editors/SongEditor.cpp b/src/gui/editors/SongEditor.cpp
index 5eb7ff6e2cd..f3b69e47dd5 100644
--- a/src/gui/editors/SongEditor.cpp
+++ b/src/gui/editors/SongEditor.cpp
@@ -723,6 +723,16 @@ void SongEditorWindow::resizeEvent(QResizeEvent *event)
 }
 
 
+void SongEditorWindow::changeEvent(QEvent *event)
+{
+	QWidget::changeEvent(event);
+	if (event->type() == QEvent::WindowStateChange)
+	{
+		m_editor->realignTracks();
+	}
+}
+
+
 void SongEditorWindow::play()
 {
 	emit playTriggered();