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Diffstat (limited to 'doc/src/snippets/signalmapper/filereader.cpp')
-rw-r--r-- | doc/src/snippets/signalmapper/filereader.cpp | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/doc/src/snippets/signalmapper/filereader.cpp b/doc/src/snippets/signalmapper/filereader.cpp deleted file mode 100644 index 067ba8280e..0000000000 --- a/doc/src/snippets/signalmapper/filereader.cpp +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the config.tests 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 -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtGui> -#include "filereader.h" - - -FileReader::FileReader(QWidget *parent) - : QWidget(parent) -{ - textEdit = new QTextEdit; - - taxFileButton = new QPushButton("Tax File"); - accountFileButton = new QPushButton("Accounts File"); - reportFileButton = new QPushButton("Report File"); - -//! [0] - signalMapper = new QSignalMapper(this); - signalMapper->setMapping(taxFileButton, QString("taxfile.txt")); - signalMapper->setMapping(accountFileButton, QString("accountsfile.txt")); - signalMapper->setMapping(reportFileButton, QString("reportfile.txt")); - - connect(taxFileButton, &QPushButton::clicked, - signalMapper, &QSignalMapper::map); - connect(accountFileButton, &QPushButton::clicked, - signalMapper, &QSignalMapper::map); - connect(reportFileButton, &QPushButton::clicked, - signalMapper, &QSignalMapper::map); -//! [0] - -//! [1] - connect(signalMapper, SIGNAL(mapped(QString)), - this, SLOT(readFile(QString))); -//! [1] - -/* -//! [2] - //slower due to signature normalization at runtime - - connect(signalMapper, SIGNAL(mapped(const QString &)), - this, SLOT(readFile(const QString &))); -//! [2] -*/ - QHBoxLayout *buttonLayout = new QHBoxLayout; - buttonLayout->addWidget(taxFileButton); - buttonLayout->addWidget(accountFileButton); - buttonLayout->addWidget(reportFileButton); - - QVBoxLayout *mainLayout = new QVBoxLayout; - mainLayout->addWidget(textEdit); - mainLayout->addLayout(buttonLayout); - - setLayout(mainLayout); -} - -void FileReader::readFile(const QString &filename) -{ - QFile file(filename); - - if (!file.open(QIODevice::ReadOnly)) { - QMessageBox::information(this, tr("Unable to open file"), - file.errorString()); - return; - } - - - QTextStream in(&file); - textEdit->setPlainText(in.readAll()); -} - |