StyleModule.h

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#ifndef OSMSCOUT_CLIENT_QT_STYLEMODULE_H
#define OSMSCOUT_CLIENT_QT_STYLEMODULE_H
 
/*
 OSMScout - a Qt backend for libosmscout and libosmscout-map
 Copyright (C) 2017 Lukas Karas
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 */
 
#include <QObject>
#include <QThread>
#include <QMutex>
#include <QMap>
 
#include <osmscoutclient/DBThread.h>
 
#include <osmscoutclientqt/ClientQtImportExport.h>
 
namespace osmscout {

class OSMSCOUT_CLIENT_QT_API StyleModule:public QObject {
  Q_OBJECT
 
private:
  QMutex           mutex;
  QThread          *thread;
  DBThreadRef      dbThread;
 
  std::shared_ptr<bool> alive=std::make_shared<bool>(true);
 
  Slot<osmscout::GeoBox> dbLoadedSlot{
    [this](const osmscout::GeoBox &b) {
      emit initialisationFinished(b);
    }
  };
 
  Slot<> stylesheetFilenameChangeSlot{
    [this]() {
      emit stylesheetFilenameChanged();
    }
  };
 
signals:
  void initialisationFinished(const osmscout::GeoBox& response);
  void stylesheetFilenameChanged();
  void styleFlagsChanged(QMap<QString,bool>);
  void flagSet(QString key, bool value);
 
public slots:
  void loadStyle(QString stylesheetFilename,
                 std::unordered_map<std::string,bool> stylesheetFlags);
  void onStyleChanged();
  void onStyleFlagsRequested();
  void onSetFlagRequest(QString key, bool value);
 
public:
  StyleModule(QThread *thread,DBThreadRef dbThread);
  ~StyleModule() override;
};

using StyleModuleRef = std::shared_ptr<StyleModule>;
 
}
 
#endif //OSMSCOUT_CLIENT_QT_STYLEMODULE_H