File indexing completed on 2024-05-19 04:56:13

 /**
  * \file icoreplatformtools.cpp
  * Interface for GUI independent platform specific tools.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 06 Apr 2013
  *
  * Copyright (C) 2013-2018  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 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.
  *
  * Kid3 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, see <http://www.gnu.org/licenses/>.
  */
 
 #include "icoreplatformtools.h"
 #include <QString>
 
 /**
  * Destructor.
  */
 ICorePlatformTools::~ICorePlatformTools()
 {
 }
 
 /**
  * Display dialog to select an existing file.
  * This default implementation only displays a warning, it is only supported
  * when having a GUI.
  * @param parent parent widget
  * @param caption caption
  * @param dir directory
  * @param filter filter
  * @param selectedFilter the selected filter is returned here
  * @return selected file, empty if canceled.
  */
 QString ICorePlatformTools::getOpenFileName(QWidget* parent,
     const QString& caption, const QString& dir, const QString& filter,
     QString* selectedFilter)
 {
   Q_UNUSED(parent)
   Q_UNUSED(selectedFilter)
   qWarning("getOpenFileName(%s, %s, %s) not implemented without GUI.",
            qPrintable(caption), qPrintable(dir), qPrintable(filter));
   return QString();
 }
 
 /**
  * Display dialog to select a file to save.
  * This default implementation only displays a warning, it is only supported
  * when having a GUI.
  * @param parent parent widget
  * @param caption caption
  * @param dir directory
  * @param filter filter
  * @param selectedFilter the selected filter is returned here
  * @return selected file, empty if canceled.
  */
 QString ICorePlatformTools::getSaveFileName(QWidget* parent,
     const QString& caption, const QString& dir, const QString& filter,
     QString* selectedFilter)
 {
   Q_UNUSED(parent)
   Q_UNUSED(selectedFilter)
   qWarning("getSaveFileName(%s, %s, %s) not implemented without GUI.",
            qPrintable(caption), qPrintable(dir), qPrintable(filter));
   return QString();
 }
 
 /**
  * Display dialog to select an existing directory.
  * This default implementation only displays a warning, it is only supported
  * when having a GUI.
  * @param parent parent widget
  * @param caption caption
  * @param startDir start directory
  * @return selected directory, empty if canceled.
  */
 QString ICorePlatformTools::getExistingDirectory(QWidget* parent,
     const QString& caption, const QString& startDir)
 {
   Q_UNUSED(parent)
   qWarning("getExistingDirectory(%s, %s) not implemented without GUI.",
            qPrintable(caption), qPrintable(startDir));
   return QString();
 }
 
 /**
  * Check if platform has a graphical user interface.
  * @return true if platform has GUI.
  */
 bool ICorePlatformTools::hasGui() const
 {
   return false;
 }
 
 /**
  * Construct a name filter string suitable for file dialogs.
  * This function can be used to implement fileDialogNameFilter()
  * for QFileDialog.
  * @param nameFilters list of description, filter pairs, e.g.
  * [("Images", "*.jpg *.jpeg *.png *.webp"), ("All Files", "*")].
  * @return name filter string.
  */
 QString ICorePlatformTools::qtFileDialogNameFilter(
     const QList<QPair<QString, QString> >& nameFilters)
 {
   QString filter;
   for (auto it = nameFilters.constBegin(); it != nameFilters.constEnd(); ++it) {
     if (!filter.isEmpty()) {
       filter += QLatin1String(";;");
     }
     filter += it->first;
     filter += QLatin1String(" (");
     filter += it->second;
     filter += QLatin1Char(')');
   }
   return filter;
 }
 
 /**
  * Get file pattern part of m_nameFilter.
  * This function can be used to implement getNameFilterPatterns()
  * for QFileDialog.
  * @param nameFilter name filter string
  * @return file patterns, e.g. "*.mp3".
  */
 QString ICorePlatformTools::qtNameFilterPatterns(const QString& nameFilter)
 {
   int start = nameFilter.indexOf(QLatin1Char('(')),
       end = nameFilter.indexOf(QLatin1Char(')'));
   return start != -1 && end != -1 && end > start
       ? nameFilter.mid(start + 1, end - start - 1)
       : QString();
 }