diff -r 62373840e33a -r 70c67c2c4e36 src/widgets/doublespinbox.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/widgets/doublespinbox.h	Tue Mar 17 23:13:47 2020 +0200
@@ -0,0 +1,34 @@
+/*
+ *  LDForge: LDraw parts authoring CAD
+ *  Copyright (C) 2013 - 2020 Teemu Piippo
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <QDoubleSpinBox>
+
+/*
+ * A version of QDoubleSpinBox that consistently uses "." as the decimal separator
+ * and does not display trailing zeros.
+ */
+class DoubleSpinBox : public QDoubleSpinBox
+{
+public:
+	DoubleSpinBox(QWidget* parent = nullptr);
+protected:
+	QString textFromValue(double value) const override;
+	QValidator::State validate(QString& input, int& pos) const override;
+};
+