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holding_register_display.h
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holding_register_display.h
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/**
* \file holding_register_display.h
* \brief Holding Registers window
* \copyright
* 2021 Andrew Buettner (ABi)
*
* \section LICENSE
*
* QModbusTool - A QT Based Modbus Client
*
* 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.
*
* \section DESCRIPTION
*
* Derivitave of Register Display for interacting with the Holding Registers
* (40,000 series)
*/
#ifndef HOLDINGREGISTERDISPLAY_H
#define HOLDINGREGISTERDISPLAY_H
// c++ includes
#include <QTimer> // QTimer
#include <vector> // std::vector
// C includes
/* -none- */
// project includes
#include "register_display.h" // RegisterDisplay
/**
* \brief Holding Registers windows
*/
class HoldingRegisterDisplay : public RegisterDisplay
{
Q_OBJECT
public:
/**
* \brief constructor
* @param parent parent QObject owner
* @param base_reg first register number
* @param count number of registers to poll
* @param uid device ID, unit ID, node of server to poll
*/
HoldingRegisterDisplay(QWidget *parent, const quint16 base_reg, const quint16 count=32, const quint8 uid=0);
virtual QString get_object_name() const override;
virtual bool load_configuration_parameters(const QDomElement &node) override;
protected:
/**
* \brief Encode display string to raw unsigned 16 value(s)
* @param value String value
* @param encoding Register's encoding
* @return list of values to build as a write request
*/
[[nodiscard]] virtual std::vector<quint16> encode_register(const QString &value,
const RegisterEncoding encoding) const;
virtual void updateRegisterValue(const size_t index, const QString &value) override;
virtual QWidget* create_value_widget(const quint16 index, const bool initial) override;
virtual QString get_display_value(const size_t index) const override;
virtual void setupUi() override;
private slots:
/**
* \brief Signal that a register text box is active for editing.
* @param index register index in window
*/
void on_register_textEdited(const quint16 index);
/**
* \brief Signal that enter has been pressed on a text box (write request).
* @param index register index in window
*/
void on_register_returnPressed(const quint16 index);
/**
* \brief Signal that a text box is no longer being edited.
* @param index register index in window
*/
void on_register_editingFinished(const quint16 index);
/**
* \brief Signal that a control has been destroted.
* @param register_widget widget reference
* @param index register index in window
*/
void on_register_destroyed(QWidget *const register_widget, const quint16 index);
/**
* \brief Signal that the edit idle timer has expired.
*/
void on_timer_expired();
private:
int m_active_index=-1;
QTimer *const m_activity_timer;
};
#endif // HOLDINGREGISTERDISPLAY_H