File indexing completed on 2025-01-19 12:59:16

 /************************************************************************
  *                                  *
  *  This file is part of Kooka, a scanning/OCR application using    *
  *  Qt <http://www.qt.io> and KDE Frameworks <http://www.kde.org>.  *
  *                                  *
  *  Copyright (C) 2013-2016 Jonathan Marten <jjm@keelhaul.me.uk>    *
  *                                  *
  *  Kooka is free software; you can redistribute it and/or modify it    *
  *  under the terms of the GNU Library General Public License as    *
  *  published by the Free Software Foundation and appearing in the  *
  *  file COPYING included in the packaging of this file;  either    *
  *  version 2 of the License, or (at your option) any later version.    *
  *                                  *
  *  As a special exception, permission is given to link this program    *
  *  with any version of the KADMOS OCR/ICR engine (a product of     *
  *  reRecognition GmbH, Kreuzlingen), and distribute the resulting  *
  *  executable without including the source code for KADMOS in the  *
  *  source distribution.                        *
  *                                  *
  *  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;  see the file COPYING.  If     *
  *  not, see <http://www.gnu.org/licenses/>.                *
  *                                  *
  ************************************************************************/
 
 #include "autoselectdialog.h"
 
 #include <qcombobox.h>
 #include <qformlayout.h>
 #include <qlabel.h>
 #include <qpushbutton.h>
 
 #include <klocalizedstring.h>
 
 #include "kscancontrols.h"
 #include "kscandevice.h"
 #include "scansettings.h"
 
 
 // Combo box indexes
 #define INDEX_BLACK     0
 #define INDEX_WHITE     1
 
 
 AutoSelectDialog::AutoSelectDialog(QWidget *parent)
     : DialogBase(parent)
 {
     setObjectName("AutoSelectDialog");
 
     setModal(true);
     setWindowTitle(i18nc("@title:window", "Autoselect Settings"));
     setButtons(QDialogButtonBox::Ok|QDialogButtonBox::Cancel|QDialogButtonBox::Apply);
 
     QWidget *w = new QWidget(this);
     QFormLayout *fl = new QFormLayout(w);       // looks better with combo expanded
     fl->setFieldGrowthPolicy(QFormLayout::AllNonFixedFieldsGrow);
 
     // slider for add/subtract margin
     const KConfigSkeletonItem *item = ScanSettings::self()->previewAutoselMarginItem();
     Q_ASSERT(item!=nullptr);
     int defaultVal = KScanDevice::getDefault<int>(item);
     int maxVal = item->maxValue().toInt();
     int minVal = item->minValue().toInt();
 
     mMarginSlider = new KScanSlider(nullptr, QString(), true);
     mMarginSlider->setRange(minVal, maxVal, -1, defaultVal);
     mMarginSlider->setToolTip(item->toolTip());
     connect(mMarginSlider, QOverload<int>::of(&KScanSlider::settingChanged), this, &AutoSelectDialog::slotControlChanged);
     fl->addRow(item->label(), mMarginSlider);
 
     fl->addItem(new QSpacerItem(1, verticalSpacing()));
 
     // combobox to select whether black or white background
     item = ScanSettings::self()->previewAutoselBackgroundItem();
     Q_ASSERT(item!=nullptr);
     mBackgroundCombo = new QComboBox;
     mBackgroundCombo->insertItem(INDEX_BLACK, i18n("Black"));
     mBackgroundCombo->insertItem(INDEX_WHITE, i18n("White"));
     mBackgroundCombo->setToolTip(item->toolTip());
     connect(mBackgroundCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &AutoSelectDialog::slotControlChanged);
     fl->addRow(item->label(), mBackgroundCombo);
 
     // slider for dust size - apparently not really much impact on the result
     item = ScanSettings::self()->previewAutoselDustsizeItem();
     Q_ASSERT(item!=nullptr);
     defaultVal = KScanDevice::getDefault<int>(item);
     maxVal = item->maxValue().toInt();
     minVal = item->minValue().toInt();
 
     mDustsizeSlider = new KScanSlider(nullptr, QString(), true);
     mDustsizeSlider->setRange(minVal, maxVal, -1, defaultVal);
     mDustsizeSlider->setToolTip(item->toolTip());
     connect(mDustsizeSlider, QOverload<int>::of(&KScanSlider::settingChanged), this, &AutoSelectDialog::slotControlChanged);
     fl->addRow(item->label(), mDustsizeSlider);
 
     setMainWidget(w);
 
     connect(buttonBox()->button(QDialogButtonBox::Apply), &QAbstractButton::clicked, this, &AutoSelectDialog::slotApplySettings);
     connect(buttonBox()->button(QDialogButtonBox::Ok), &QAbstractButton::clicked, this, &AutoSelectDialog::slotApplySettings);
     buttonBox()->button(QDialogButtonBox::Apply)->setEnabled(false);
 }
 
 void AutoSelectDialog::slotControlChanged()
 {
     buttonBox()->button(QDialogButtonBox::Apply)->setEnabled(true);
 }
 
 void AutoSelectDialog::slotApplySettings()
 {
     const int margin = mMarginSlider->value();
     const bool bgIsWhite = (mBackgroundCombo->currentIndex()==INDEX_WHITE);
     const int dustsize = mDustsizeSlider->value();
     emit settingsChanged(margin, bgIsWhite, dustsize);
     buttonBox()->button(QDialogButtonBox::Apply)->setEnabled(false);
 }
 
 void AutoSelectDialog::setSettings(int margin, bool bgIsWhite, int dustsize)
 {
     mMarginSlider->setValue(margin);
     mBackgroundCombo->setCurrentIndex(bgIsWhite ? INDEX_WHITE : INDEX_BLACK);
     mDustsizeSlider->setValue(dustsize);
     buttonBox()->button(QDialogButtonBox::Apply)->setEnabled(false);
 }