Add ctkCoordinatesWidget_p.h

Issue #355

Libs/Widgets/ctkCoordinatesWidget_p.h

@@ -0,0 +1,82 @@
+/*=========================================================================
+
+  Library:   CTK
+
+  Copyright (c) Kitware Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0.txt
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+=========================================================================*/
+
+#ifndef __ctkCoordinatesWidget_p_h
+#define __ctkCoordinatesWidget_p_h
+
+// Qt includes
+#include <QWeakPointer>
+
+// CTK includes
+#include "ctkCoordinatesWidget.h"
+
+class ctkCoordinatesWidgetPrivate: public QObject
+{
+  Q_OBJECT
+  Q_DECLARE_PUBLIC(ctkCoordinatesWidget);
+protected:
+  ctkCoordinatesWidget* const q_ptr;
+public:
+  ctkCoordinatesWidgetPrivate(ctkCoordinatesWidget& object);
+  virtual ~ctkCoordinatesWidgetPrivate();
+
+  void init();
+public Q_SLOTS:
+  void updateDecimals();
+  void updateOtherDecimals(int);
+  void setTemporaryDecimals(int);
+  void onValueProxyAboutToBeModified();
+  void onValueProxyModified();
+
+public:
+  void addSpinBox();
+
+  /// Normalize coordinates vector and return the previous norm.
+  static double normalize(double* coordinates, int dimension);
+
+  /// Compute the norm of a coordinates \a dimension vector
+  static double norm(double* coordinates, int dimension);
+  static double squaredNorm(double* coordinates, int dimension);
+
+  /// Return the ideal number of decimals based on the spinBox value or
+  /// 16 if there is no "good" number of decimals.
+  /// \sa ctk::significantDecimals()
+  static int spinBoxSignificantDecimals(ctkDoubleSpinBox* spinBox);
+
+  int     Decimals;
+  ctkDoubleSpinBox::DecimalsOptions DecimalsOption;
+  double  SingleStep;
+  double  Minimum;
+  double  Maximum;
+  bool    Normalized;
+  int     Dimension;
+  ctkDoubleSpinBox::SizeHintPolicy SizeHintPolicy;
+
+  double* Coordinates;
+  QList<int> LastUserEditedCoordinates;
+  bool    ChangingDecimals;
+  QWeakPointer<ctkValueProxy> Proxy;
+
+private:
+  Q_DISABLE_COPY(ctkCoordinatesWidgetPrivate);
+
+};
+
+#endif