qt5base-lts/examples/widgets/itemviews/fetchmore/window.cpp

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/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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#include "window.h"
#include "filelistmodel.h"
#include <QtWidgets>
Window::Window(QWidget *parent)
: QWidget(parent)
{
FileListModel *model = new FileListModel(this);
model->setDirPath(QLibraryInfo::path(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(this);
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));
}