/*
  main.cpp

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2014-2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Jan Dalheimer <jan.dalheimer@kdab.com>

  Licensees holding valid commercial KDAB GammaRay licenses may use this file in
  accordance with GammaRay Commercial License Agreement provided with the Software.

  Contact info@kdab.com if any conditions of this licensing are not clear to you.

  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, see <http://www.gnu.org/licenses/>.
*/

#include <QApplication>
#include <QTranslator>
#include <QLabel>
#include <QVBoxLayout>
#include <QDir>
#include <QLibraryInfo>
#include <QPushButton>
#include <QFontDialog>

class Widget : public QWidget
{
    Q_OBJECT
  public:
    Widget(QWidget *parent = 0) : QWidget(parent)
    {
      m_label1 = new QLabel(this);
      m_label2 = new QLabel(this);
      m_label3 = new QLabel(this);
      m_button = new QPushButton(this);

      m_layout = new QVBoxLayout;
      m_layout->addWidget(m_label1);
      m_layout->addWidget(m_label2);
      m_layout->addWidget(m_label3);
      m_layout->addWidget(m_button);
      setLayout(m_layout);

      connect(m_button, SIGNAL(clicked()), SLOT(openFonts()));

      retranslate();

      qApp->installEventFilter(this);
    }

    void retranslate()
    {
      m_label1->setText(tr("One"));
      m_label2->setText(tr("Two"));
      m_label3->setText(tr("Three"));
      m_button->setText(tr("&Fonts"));
    }

  private slots:
    void openFonts()
    {
      QFontDialog dialog(this);
      dialog.exec();
    }

  protected:
    bool eventFilter(QObject *object, QEvent *event) Q_DECL_OVERRIDE
    {
      if (event->type() == QEvent::LanguageChange) {
        retranslate();
      }
      return QWidget::eventFilter(object, event);
    }

  private:
    QLabel *m_label1;
    QLabel *m_label2;
    QLabel *m_label3;
    QPushButton *m_button;
    QVBoxLayout *m_layout;
};

void loadTranslation(const QString &filename, const QString &name)
{
  Q_ASSERT(QDir().exists(filename));
  QTranslator *translator = new QTranslator;
  translator->setObjectName(name);
  translator->load(filename);
  qApp->installTranslator(translator);
}

int main(int argc, char *argv[])
{
  QApplication app(argc, argv);

  loadTranslation(app.applicationDirPath() + "/translation.qm",
                  QStringLiteral("App translator"));
  loadTranslation(QLibraryInfo::location(QLibraryInfo::TranslationsPath) +
                  QStringLiteral("/qt_sv.qm"),
                  QStringLiteral("Qt translator"));

  Widget widget;
  widget.show();

  return app.exec();
}

#include "main.moc"
