File indexing completed on 2023-05-30 10:40:14

 /*
     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.
 
     ---
     Copyright (C) 2020-2022 Alexander Semke <alexander.semke@web.de>
  */
 
 #include "backendsettingswidget.h"
 #include "qthelpconfig.h"
 
 #include <QFile>
 #include <QHBoxLayout>
 #include <QTabWidget>
 
 #include <KUrlRequester>
 
 BackendSettingsWidget::BackendSettingsWidget(QWidget* parent, const QString& id) : QWidget(parent), m_id(id)
 {
 
 }
 
 void BackendSettingsWidget::tabChanged(int index) {
     if (!m_tabWidget || !m_tabDocumentation)
         return;
 
     //if the documentation tab was selected and there is not doc widget available yet, create it
     if (m_tabWidget->widget(index) == m_tabDocumentation)
     {
         if (!m_docWidget)
         {
             m_docWidget = new QtHelpConfig(m_id);
             auto hboxLayout = new QHBoxLayout(m_tabDocumentation);
             hboxLayout->addWidget(m_docWidget);
         }
     }
 }
 
 void BackendSettingsWidget::fileNameChanged(const QString& fileName) {
     if (!m_urlRequester)
         return;
 
     bool invalid = (!fileName.isEmpty() && !QFile::exists(fileName));
     if (invalid) {
         QPalette p;                                                                                                                                            \
         if (qGray(p.color(QPalette::Base).rgb()) > 160) /* light */                                                                                            \
             m_urlRequester->setStyleSheet(QLatin1String("background: rgb(255, 200, 200);"));                                                                             \
         else /* dark */                                                                                                                                        \
             m_urlRequester->setStyleSheet(QLatin1String("background: rgb(128, 0, 0);"));
     }
     else
         m_urlRequester->setStyleSheet(QString());
 }