File indexing completed on 2024-12-08 07:19:38

 /*
  * SPDX-FileCopyrightText: 2009 Kare Sars <kare dot sars at iki dot fi>
  * SPDX-FileCopyrightText: 2014 Gregor Mitsch : port to KDE5 frameworks
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  */
 
 #include "booloption.h"
 
 #include <QVarLengthArray>
 
 #include <ksanecore_debug.h>
 
 namespace KSaneCore
 {
 
 BoolOption::BoolOption(const SANE_Handle handle, const int index)
     : BaseOption(handle, index)
 {
     m_optionType = Option::TypeBool;
 }
 
 bool BoolOption::setValue(const QVariant &value)
 {
     if (state() == Option::StateHidden) {
         return false;
     }
 
     bool toggled = value.toBool();
 
     if (m_checked != toggled) {
         unsigned char data[4];
 
         m_checked = toggled;
         fromSANE_Word(data, (toggled) ? 1 : 0);
         writeData(data);
         Q_EMIT valueChanged(m_checked);
     }
     return true;
 }
 
 void BoolOption::readValue()
 {
     if (state() == Option::StateHidden) {
         return;
     }
 
     // read the current value
     QVarLengthArray<unsigned char> data(m_optDesc->size);
     SANE_Status status;
     SANE_Int res;
     status = sane_control_option(m_handle, m_index, SANE_ACTION_GET_VALUE, data.data(), &res);
     if (status != SANE_STATUS_GOOD) {
         return;
     }
     bool old = m_checked;
     m_checked = (toSANE_Word(data.data()) != 0) ? true : false;
 
     if ((old != m_checked) && ((m_optDesc->cap & SANE_CAP_SOFT_SELECT) == 0)) {
         Q_EMIT valueChanged(m_checked);
     }
 }
 
 QVariant BoolOption::value() const
 {
     if (state() == Option::StateHidden) {
         return QVariant();
     }
     return m_checked;
 }
 
 QString BoolOption::valueAsString() const
 {
     if (state() == Option::StateHidden) {
         return QString();
     }
     if (m_checked) {
         return QStringLiteral("true");
     } else {
         return QStringLiteral("false");
     }
 }
 
 } // namespace KSaneCore
 
 #include "moc_booloption.cpp"