Save column width for ImageInfo

imageinfo.cpp

@@ -1,4 +1,6 @@
 #include "imageinfo.h"
+#include <QSettings>
+#include <QHeaderView>
 
 static const QVector<QByteArray> noEditableKey = {"SIMPLE", "BITPIX", "NAXIS", "NAXIS1", "NAXIS2", "NAXIS3", "EXTEND", "BZERO", "BSCALE"};
 
@@ -12,6 +14,14 @@ ImageInfo::ImageInfo(QWidget *parent) : QTreeWidget(parent)
     setColumnCount(3);
     setHeaderLabels({tr("Property"), tr("Value"), tr("Comment")});
     setIndentation(5);
+    QSettings settings;
+    header()->restoreState(settings.value("imageinfo/headerstate").toByteArray());
+}
+
+ImageInfo::~ImageInfo()
+{
+    QSettings settings;
+    settings.setValue("imageinfo/headerstate", header()->saveState());
 }
 
 void ImageInfo::setInfo(const ImageInfoData &info)