window.cpp Example File

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  #include "filelistmodel.h"
  #include "window.h"

  #include <QtWidgets>

  Window::Window(QWidget *parent)
      : QWidget(parent)
  {
      FileListModel *model = new FileListModel(this);
      model->setDirPath(QLibraryInfo::location(QLibraryInfo::PrefixPath));

      QLabel *label = new QLabel(tr("&Directory:"));
      QLineEdit *lineEdit = new QLineEdit;
      label->setBuddy(lineEdit);

      QListView *view = new QListView;
      view->setModel(model);

      logViewer = new QTextBrowser;
      logViewer->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred));

      connect(lineEdit, &QLineEdit::textChanged,
              model, &FileListModel::setDirPath);
      connect(lineEdit, &QLineEdit::textChanged,
              logViewer, &QTextEdit::clear);
      connect(model, &FileListModel::numberPopulated,
              this, &Window::updateLog);

      QGridLayout *layout = new QGridLayout;
      layout->addWidget(label, 0, 0);
      layout->addWidget(lineEdit, 0, 1);
      layout->addWidget(view, 1, 0, 1, 2);
      layout->addWidget(logViewer, 2, 0, 1, 2);

      setLayout(layout);
      setWindowTitle(tr("Fetch More Example"));
  }

  void Window::updateLog(int number)
  {
      logViewer->append(tr("%1 items added.").arg(number));
  }