File indexing completed on 2024-04-14 14:36:05

 /************************************************************************
  *                                  *
  *  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) 2020 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 "scanparamspage.h"
 
 #include <qgridlayout.h>
 #include <qlabel.h>
 
 #include "dialogbase.h"
 
 
 ScanParamsPage::ScanParamsPage(QWidget *parent, const char *name)
     : QWidget(parent)
 {
     setObjectName(name);
 
     mLayout = new QGridLayout(this);
     mLayout->setSpacing(2*DialogBase::verticalSpacing());
     mLayout->setColumnStretch(2, 1);
     mLayout->setColumnMinimumWidth(1, 2*DialogBase::horizontalSpacing());
 
     mNextRow = 0;
     mPendingGroup = nullptr;
 }
 
 
 void ScanParamsPage::checkPendingGroup()
 {
     if (mPendingGroup != nullptr) {            // separator to add first?
         QWidget *w = mPendingGroup;
         mPendingGroup = nullptr;               // avoid recursion!
         addRow(w);
     }
 }
 
 
 void ScanParamsPage::addRow(QWidget *wid)
 {
     if (wid == nullptr) {
         return;    // must have one
     }
 
     checkPendingGroup();                // add separator if needed
     mLayout->addWidget(wid, mNextRow, 0, 1, -1);
     ++mNextRow;
 }
 
 
 void ScanParamsPage::addRow(QLabel *lab, QWidget *wid, QLabel *unit, Qt::Alignment align)
 {
     if (wid == nullptr) {
         return;    // must have one
     }
     wid->setMaximumWidth(MAX_CONTROL_WIDTH);
 
     checkPendingGroup();                // add separator if needed
 
     if (lab != nullptr) {
         lab->setMaximumWidth(MAX_LABEL_WIDTH);
         lab->setMinimumWidth(MIN_LABEL_WIDTH);
         mLayout->addWidget(lab, mNextRow, 0, Qt::AlignLeft | align);
     }
 
     if (unit != nullptr) {
         mLayout->addWidget(wid, mNextRow, 2, align);
         mLayout->addWidget(unit, mNextRow, 3, Qt::AlignLeft | align);
     } else {
         mLayout->addWidget(wid, mNextRow, 2, 1, 2, align);
     }
 
     ++mNextRow;
 }
 
 
 void ScanParamsPage::addRow(const QString &lab, QWidget *wid, QLabel *unit, Qt::Alignment align)
 {
     QLabel *l = nullptr;
     if (!lab.isEmpty())
     {
         l = new QLabel(lab, this);
         l->setBuddy(wid);
     }
     addRow(l, wid, unit, align);
 }
 
 
 void ScanParamsPage::clearRow()
 {
     for (int c = 0; c<mLayout->columnCount(); ++c)
     {
         QLayoutItem *item = mLayout->itemAtPosition(mNextRow, c);
         if (item==nullptr) continue;
         QWidget *w = item->widget();
         if (w!=nullptr) w->deleteLater();
     }
 }
 
 
 bool ScanParamsPage::lastRow()
 {
     addGroup(nullptr);                  // hide last if present
 
     mLayout->addWidget(new QLabel(QString(), this), mNextRow, 0, 1, -1, Qt::AlignTop);
     mLayout->setRowStretch(mNextRow, 9);
 
     return (mNextRow > 0);
 }
 
 
 void ScanParamsPage::addGroup(QWidget *wid)
 {
     if (mPendingGroup!=nullptr)
     {
         mPendingGroup->hide();              // don't need this after all
     }
 
     mPendingGroup = wid;
 }