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

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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****************************************************************************/
#include <QtWidgets>
#include "filelistmodel.h"
#include "window.h"
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, SIGNAL(textChanged(QString)),
model, SLOT(setDirPath(QString)));
connect(lineEdit, SIGNAL(textChanged(QString)),
logViewer, SLOT(clear()));
connect(model, SIGNAL(numberPopulated(int)),
this, SLOT(updateLog(int)));
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));
}