Merge branch 'LessAnnoyingDoubleSpinBox' into 'master'

Less annoying double spin box

See merge request !224

libs_required/ACG/QtWidgets/QtLessAnnoyingDoubleSpinBox.cc

+/*===========================================================================*\
+ *                                                                           *
+ *                              OpenFlipper                                  *
+ *           Copyright (c) 2001-2017, RWTH-Aachen University                 *
+ *           Department of Computer Graphics and Multimedia                  *
+ *                          All rights reserved.                             *
+ *                            www.openflipper.org                            *
+ *                                                                           *
+ *---------------------------------------------------------------------------*
+ * This file is part of OpenFlipper.                                         *
+ *---------------------------------------------------------------------------*
+ *                                                                           *
+ * Redistribution and use in source and binary forms, with or without        *
+ * modification, are permitted provided that the following conditions        *
+ * are met:                                                                  *
+ *                                                                           *
+ * 1. Redistributions of source code must retain the above copyright notice, *
+ *    this list of conditions and the following disclaimer.                  *
+ *                                                                           *
+ * 2. Redistributions in binary form must reproduce the above copyright      *
+ *    notice, this list of conditions and the following disclaimer in the    *
+ *    documentation and/or other materials provided with the distribution.   *
+ *                                                                           *
+ * 3. Neither the name of the copyright holder nor the names of its          *
+ *    contributors may be used to endorse or promote products derived from   *
+ *    this software without specific prior written permission.               *
+ *                                                                           *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
+ *                                                                           *
+\*===========================================================================*/
+
+//=============================================================================
+//
+//  CLASS QtLessAnnoyingQDoubleSpinBox
+//
+//=============================================================================
+
+
+#include "QtLessAnnoyingDoubleSpinBox.hh"
+#include <cmath>
+
+
+QtLessAnnoyingDoubleSpinBox::QtLessAnnoyingDoubleSpinBox(QWidget* _qwidget ) : QDoubleSpinBox(_qwidget)
+{
+}
+
+QValidator::State QtLessAnnoyingDoubleSpinBox::validate(QString& text, int&) const
+{
+  QString copy = strip_prefix_suffix(text) + "0";
+
+  bool ok;
+  copy.toDouble(&ok);
+  if ( ok )
+    return QValidator::Acceptable;
+  else
+    return QValidator::Invalid;
+}
+
+double QtLessAnnoyingDoubleSpinBox::valueFromText(const QString &text) const
+{
+  QString copy = strip_prefix_suffix(text);
+
+  bool ok;
+  double value = copy.toDouble(&ok);
+
+  double factor = std::pow(10.0, decimals() );
+  value = double( long(value * double(factor) + 0.5) ) / factor;
+
+  if ( !ok )
+    return 0;
+
+  return value;
+}
+
+QString QtLessAnnoyingDoubleSpinBox::strip_prefix_suffix(const QString& text) const
+{
+  int lenpre = prefix().length();
+  int lensuf = suffix().length();
+
+  return text.mid( lenpre, text.length() - lenpre -lensuf ).simplified();
+}

libs_required/ACG/QtWidgets/QtLessAnnoyingDoubleSpinBox.hh

+/*===========================================================================*\
+ *                                                                           *
+ *                              OpenFlipper                                  *
+ *           Copyright (c) 2001-2017, RWTH-Aachen University                 *
+ *           Department of Computer Graphics and Multimedia                  *
+ *                          All rights reserved.                             *
+ *                            www.openflipper.org                            *
+ *                                                                           *
+ *---------------------------------------------------------------------------*
+ * This file is part of OpenFlipper.                                         *
+ *---------------------------------------------------------------------------*
+ *                                                                           *
+ * Redistribution and use in source and binary forms, with or without        *
+ * modification, are permitted provided that the following conditions        *
+ * are met:                                                                  *
+ *                                                                           *
+ * 1. Redistributions of source code must retain the above copyright notice, *
+ *    this list of conditions and the following disclaimer.                  *
+ *                                                                           *
+ * 2. Redistributions in binary form must reproduce the above copyright      *
+ *    notice, this list of conditions and the following disclaimer in the    *
+ *    documentation and/or other materials provided with the distribution.   *
+ *                                                                           *
+ * 3. Neither the name of the copyright holder nor the names of its          *
+ *    contributors may be used to endorse or promote products derived from   *
+ *    this software without specific prior written permission.               *
+ *                                                                           *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
+ *                                                                           *
+\*===========================================================================*/
+
+//=============================================================================
+//
+//  CLASS QtLessAnnoyingQDoubleSpinBox
+//
+//=============================================================================
+
+
+#pragma once
+
+#include <QDoubleSpinBox>
+#include <QWidget>
+
+#include "../Config/ACGDefines.hh"
+
+
+// This spin box allows you to enter more decimals and rounds the number afterwards.
+// Also you can input numbers in scientific format, e.g. 1e-6.
+class ACGDLLEXPORT QtLessAnnoyingDoubleSpinBox : public QDoubleSpinBox
+{
+
+public:
+
+
+  QtLessAnnoyingDoubleSpinBox(QWidget* _qwidget = Q_NULLPTR );
+
+  virtual QValidator::State validate(QString& text, int&) const override;
+
+  virtual double valueFromText(const QString &text) const override;
+
+private:
+
+  QString strip_prefix_suffix(const QString& text) const;
+
+};
+
+
+