# HG changeset patch
# User Teemu Piippo <teemu@hecknology.net>
# Date 1584479627 -7200
# Node ID 70c67c2c4e368b521aba5728117b66886175328b
# Parent  62373840e33abbe05c0e04abf07fa398e112da76
added doublespinbox

diff -r 62373840e33a -r 70c67c2c4e36 src/widgets/doublespinbox.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/widgets/doublespinbox.cpp	Tue Mar 17 23:13:47 2020 +0200
@@ -0,0 +1,58 @@
+/*
+ *  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/>.
+ */
+
+#include "doublespinbox.h"
+
+/*
+ * Constructs a new double spin box. The locale is fixed to system default "C".
+ */
+DoubleSpinBox::DoubleSpinBox(QWidget* parent) :
+	QDoubleSpinBox {parent}
+{
+	this->setLocale({"C"});
+	this->setRange(-1e6, 1e6);
+	this->setDecimals(4);
+}
+
+/*
+ * Reimplementation of QDoubleSpinBox::textFromValue to remove trailing zeros.
+ */
+QString DoubleSpinBox::textFromValue(double value) const
+{
+	QString result = QDoubleSpinBox::textFromValue(value);
+	if (result.contains("."))
+	{
+		// Remove trailing zeros
+		while (result.endsWith("0"))
+			result.chop(1);
+		// Remove trailing decimal point if we just removed all the zeros.
+		if (result.endsWith("."))
+			result.chop(1);
+	}
+	return result;
+}
+
+/*
+ * Reimplementation of QDoubleSpinBox::validate to fix the decimal point if the locale-specific
+ * decimal point was used.
+ */
+QValidator::State DoubleSpinBox::validate(QString& input, int& pos) const
+{
+	input.replace(QLocale().decimalPoint(), this->locale().decimalPoint());
+	return QDoubleSpinBox::validate(input, pos);
+}
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;
+};
+