diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/manual/wasm/localfiles/localfiles.pro | 8 | ||||
-rw-r--r-- | tests/manual/wasm/localfiles/main.cpp | 100 |
2 files changed, 108 insertions, 0 deletions
diff --git a/tests/manual/wasm/localfiles/localfiles.pro b/tests/manual/wasm/localfiles/localfiles.pro new file mode 100644 index 0000000000..04ad4c0ce1 --- /dev/null +++ b/tests/manual/wasm/localfiles/localfiles.pro @@ -0,0 +1,8 @@ +TEMPLATE = app +TARGET = localfiles +QT += core gui widgets + +OBJECTS_DIR = .obj +MOC_DIR = .moc + +SOURCES += main.cpp diff --git a/tests/manual/wasm/localfiles/main.cpp b/tests/manual/wasm/localfiles/main.cpp new file mode 100644 index 0000000000..9dfc30885c --- /dev/null +++ b/tests/manual/wasm/localfiles/main.cpp @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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 The Qt Company Ltd 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 <QtWidgets/QtWidgets> + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + + QByteArray content; + + QWidget loadFileUi; + QVBoxLayout *layout = new QVBoxLayout(); + QPushButton *loadFile = new QPushButton("Load File"); + QLabel *fileInfo = new QLabel("Opened file:"); + fileInfo->setTextInteractionFlags(Qt::TextSelectableByMouse); + QLabel *fileHash = new QLabel("Sha256:"); + fileHash->setTextInteractionFlags(Qt::TextSelectableByMouse); + QPushButton *saveFile = new QPushButton("Save File"); + saveFile->setEnabled(false); + + auto onFileReady = [=, &content](const QString &fileName, const QByteArray &fileContents) { + content = fileContents; + fileInfo->setText(QString("Opened file: %1 size: %2").arg(fileName).arg(fileContents.size())); + saveFile->setEnabled(true); + + auto computeDisplayFileHash = [=](){ + QByteArray hash = QCryptographicHash::hash(fileContents, QCryptographicHash::Sha256); + fileHash->setText(QString("Sha256: %1").arg(QString(hash.toHex()))); + }; + + QTimer::singleShot(100, computeDisplayFileHash); // update UI before computing hash + }; + auto onLoadClicked = [=](){ + QFileDialog::getOpenFileContent("*.*", onFileReady); + }; + QObject::connect(loadFile, &QPushButton::clicked, onLoadClicked); + + auto onSaveClicked = [=, &content]() { + QFileDialog::saveFileContent(content, "qtsavefiletest.dat"); + }; + QObject::connect(saveFile, &QPushButton::clicked, onSaveClicked); + + layout->addWidget(loadFile); + layout->addWidget(fileInfo); + layout->addWidget(fileHash); + layout->addWidget(saveFile); + layout->addStretch(); + + loadFileUi.setLayout(layout); + loadFileUi.show(); + + return app.exec(); +} |