File indexing completed on 2024-05-12 15:27:00

 /***************************************************************************
     File                 : macros.h
     Project              : LabPlot
     Description          : Various preprocessor macros for the curve class
     --------------------------------------------------------------------
     Copyright            : (C) 2019 Martin Marmsoler (martin.marmsoler@gmail.com)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  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 2 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, write to the Free Software           *
  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
  *   Boston, MA  02110-1301  USA                                           *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef MACROSXYCURVE_H
 #define MACROSXYCURVE_H
 
 #include "backend/lib/commandtemplates.h"
 #include "backend/worksheet/plots/cartesian/XYCurve.h"
 #include <QObject>
 class AbstractColumn;
 
 /*!
   This macro is used to connect the column to the XYCurve slots:
     - <column_prefix>ColumnAboutToBeRemoved
     - <column_prefix>ColumnNameChanged
     - <column_prefix>DataChanged
   This means these slots must be available when using this function.
   \param column pointer to a AbstractColumn
   \param column_prefix columnnames should have always the same style. For example xColumn -> column_prefix = x, xErrorPlusColumn -> column_prefix = xErrorPlus
   */
 #define XYCURVE_COLUMN_CONNECT(column_prefix) \
 void columnConnect ## column_prefix ## Column(const AbstractColumn* column) { \
     connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::column_prefix ## ColumnAboutToBeRemoved); \
     auto* parent = column->parentAspect(); \
     while (parent) { \
         connect(parent, &AbstractAspect::aspectAboutToBeRemoved, this, &XYCurve::column_prefix ## ColumnAboutToBeRemoved); \
         parent = parent->parentAspect(); \
     } \
     /* When the column is reused with different name, the curve should be informed to disconnect */ \
     connect(column, &AbstractColumn::reset, this, &XYCurve::column_prefix ## ColumnAboutToBeRemoved); \
     connect(column, &AbstractAspect::aspectDescriptionChanged, this, &XYCurve::column_prefix ## ColumnNameChanged); \
     /* after the curve was updated, emit the signal to update the plot ranges */ \
     connect(column, &AbstractColumn::dataChanged, this, &XYCurve::recalcLogicalPoints); /* must be before DataChanged*/ \
     connect(column, &AbstractColumn::dataChanged, this, &XYCurve::column_prefix ## DataChanged);\
 }
 
 #define XYCURVE_COLUMN_CONNECT_CALL(curve, column, column_prefix) \
     curve->columnConnect ## column_prefix ## Column(column); \
 
 /*!
  * This macro is used to connect and disconnect the column from the curve
  * The new column is connected to the curve and the old column is diconnected
  * The columnPath is updated
 */
 #define XYCURVE_COLUMN_SETTER_CMD_IMPL_F_S(cmd_name, prefix, finalize_method) \
 class XYCurve ## Set ## cmd_name ## ColumnCmd: public StandardSetterCmd<XYCurve::Private, const AbstractColumn*> { \
 public: \
     XYCurve ## Set ## cmd_name ## ColumnCmd(XYCurve::Private *target, const AbstractColumn* newValue, const KLocalizedString &description) \
         : StandardSetterCmd<XYCurve::Private, const AbstractColumn*>(target, &XYCurve::Private::prefix ## Column, newValue, description), \
         m_private(target), \
         m_column(newValue) \
           {} \
         virtual void finalize() override { m_target->finalize_method(); emit m_target->q->prefix ## ColumnChanged(m_target->*m_field); } \
         void redo() override { \
             m_columnOld = m_private->prefix ## Column; \
             if (m_columnOld) {\
                 /* disconnect only when column valid, because otherwise all
                  * signals are disconnected */ \
                 QObject::disconnect(m_columnOld, nullptr, m_private->q, nullptr); \
             }\
             m_private->prefix ## Column = m_column; \
             if (m_column) { \
                 m_private->q->set ## cmd_name ## ColumnPath(m_column->path());\
                 XYCURVE_COLUMN_CONNECT_CALL(m_private->q, m_column, prefix) \
             } else \
                 m_private->q->set ## cmd_name ## ColumnPath("");\
             finalize();\
             emit m_private->q->prefix ## ColumnChanged(m_column);\
             /* emit DataChanged() in order to notify the plot about the changes */ \
             emit m_private->q->prefix ## DataChanged();\
         }\
         void undo() override { \
             if (m_private->prefix ## Column)\
                 QObject::disconnect(m_private->prefix ## Column, nullptr, m_private->q, nullptr); \
             m_private->prefix ## Column = m_columnOld;\
             if (m_columnOld) {\
                 m_private->q->set ## cmd_name ## ColumnPath(m_columnOld->path());\
                 XYCURVE_COLUMN_CONNECT_CALL(m_private->q, m_column, prefix)\
             } else\
                 m_private->q->set ## cmd_name ## ColumnPath("");\
             finalize();\
             emit m_private->q->prefix ## ColumnChanged(m_columnOld);\
             /* emit DataChanged() in order to notify the plot about the changes */ \
             emit m_private->q->prefix ## DataChanged();\
         } \
 private: \
     XYCurvePrivate* m_private; \
     const AbstractColumn* m_column{nullptr}; \
     const AbstractColumn* m_columnOld{nullptr}; \
 };
 
 #endif // MACROSXYCURVE_H