mainwidget.cpp Example File

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  #include "imagewidget.h"
  #include "mainwidget.h"

  #include <QScreen>
  #include <QGuiApplication>
  #include <QDir>

  MainWidget::MainWidget(QWidget *parent)
      : QMainWindow(parent)
      , imageWidget(new ImageWidget(this))
  {
      setCentralWidget(imageWidget);
      const QRect screenGeometry = QGuiApplication::primaryScreen()->availableGeometry();
      QRect geometry(QPoint(0, 0), QSize(screenGeometry.width() * 3 / 4, screenGeometry.height() * 3 / 4));
      geometry.moveCenter(screenGeometry.center());
      setGeometry(geometry);
  }

  void MainWidget::openDirectory(const QString &path)
  {
      setWindowTitle(QDir::toNativeSeparators(path));
      imageWidget->openDirectory(path);
  }

  void MainWidget::grabGestures(const QList<Qt::GestureType> &gestures)
  {
      imageWidget->grabGestures(gestures);
  }