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coils_display.cpp
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coils_display.cpp
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/**
* \file coils_display.cpp
* \brief Coils display 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.
*/
// c++ includes
#include <QCheckBox> // QCheckBox
#include <QStringBuilder> // operator%
// C includes
/* -none- */
// project includes
#include "coils_display.h" // local include
CoilsDisplay::CoilsDisplay(QWidget *parent, const quint16 base_reg, const quint16 count, const quint8 uid)
:RegisterDisplay(parent, base_reg, count, uid),
m_remote_state()
{
}
void CoilsDisplay::updateRegisterValue(const size_t index, const QString &value)
{
static_cast<void>(value);
auto widget = dynamic_cast<QCheckBox*>(m_register_values[index]);
auto bvalue = (m_raw_values[index] > 0);
m_remote_state[quint16(index + m_starting_register)] = bvalue;
widget->setChecked(bvalue);
}
QWidget* CoilsDisplay::create_value_widget(const quint16 index, const bool initial)
{
static_cast<void>(initial);
auto widget = new QCheckBox(this);
connect(widget, &QCheckBox::stateChanged, this, [=](int state) {
static_cast<void>(state);
on_checkbox_checked(index);
});
connect(widget, &QCheckBox::destroyed, this, [=](QWidget *w=nullptr) {
static_cast<void>(w);
on_register_destroyed(widget, index);
});
return widget;
}
void CoilsDisplay::on_checkbox_checked(quint16 index)
{
const auto checkbox = dynamic_cast<QCheckBox*>(m_register_values[index]);
const auto a = m_remote_state[index + m_starting_register];
const auto b = checkbox->isChecked();
if (a != b) {
WriteRequest req{};
req.first_register = m_starting_register + index;
req.node = m_node;
req.values = {quint16(b)};
req.requester = this;
emit write_requested(req);
}
}
void CoilsDisplay::on_register_destroyed(QWidget *register_widget, const quint16 index)
{
static_cast<void>(register_widget);
static_cast<void>(index);
}
QString CoilsDisplay::get_object_name() const
{
return "CoilsDisplay";
}
bool CoilsDisplay::load_configuration_parameters(const QDomElement &node)
{
const auto reg = node.attribute("register").toUInt();
if (reg >= 10000) {
return false;
}
return RegisterDisplay::load_configuration_parameters(node);
}
QString CoilsDisplay::get_display_value(const size_t index) const
{
auto widget = dynamic_cast<QCheckBox*>(m_register_values[index]);
return (widget->isChecked() ? "1" : "0");
}
QString CoilsDisplay::get_register_number_text(const quint16 reg_number)
{
const auto base_text = RegisterDisplay::get_register_number_text(reg_number);
const auto padding = QString(5 - base_text.size(), QChar('0'));
return padding % base_text;
}