diff options
Diffstat (limited to 'examples/widgets/tools/echoplugin/echowindow/echowindow.cpp')
-rw-r--r-- | examples/widgets/tools/echoplugin/echowindow/echowindow.cpp | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/examples/widgets/tools/echoplugin/echowindow/echowindow.cpp b/examples/widgets/tools/echoplugin/echowindow/echowindow.cpp deleted file mode 100644 index dce6bdedc3..0000000000 --- a/examples/widgets/tools/echoplugin/echowindow/echowindow.cpp +++ /dev/null @@ -1,137 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 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 "echowindow.h" - -#include <QCoreApplication> -#include <QDir> -#include <QLabel> -#include <QLayout> -#include <QLineEdit> -#include <QMessageBox> -#include <QPluginLoader> -#include <QPushButton> - -//! [0] -EchoWindow::EchoWindow() -{ - createGUI(); - setLayout(layout); - setWindowTitle("Echo Plugin Example"); - - if (!loadPlugin()) { - QMessageBox::information(this, "Error", "Could not load the plugin"); - lineEdit->setEnabled(false); - button->setEnabled(false); - } -} -//! [0] - -//! [1] -void EchoWindow::sendEcho() -{ - QString text = echoInterface->echo(lineEdit->text()); - label->setText(text); -} -//! [1] - -//! [2] -void EchoWindow::createGUI() -{ - lineEdit = new QLineEdit; - label = new QLabel; - label->setFrameStyle(QFrame::Box | QFrame::Plain); - button = new QPushButton(tr("Send Message")); - - connect(lineEdit, &QLineEdit::editingFinished, - this, &EchoWindow::sendEcho); - connect(button, &QPushButton::clicked, - this, &EchoWindow::sendEcho); - - layout = new QGridLayout; - layout->addWidget(new QLabel(tr("Message:")), 0, 0); - layout->addWidget(lineEdit, 0, 1); - layout->addWidget(new QLabel(tr("Answer:")), 1, 0); - layout->addWidget(label, 1, 1); - layout->addWidget(button, 2, 1, Qt::AlignRight); - layout->setSizeConstraint(QLayout::SetFixedSize); -} -//! [2] - -//! [3] -bool EchoWindow::loadPlugin() -{ - QDir pluginsDir(QCoreApplication::applicationDirPath()); -#if defined(Q_OS_WIN) - if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release") - pluginsDir.cdUp(); -#elif defined(Q_OS_MAC) - if (pluginsDir.dirName() == "MacOS") { - pluginsDir.cdUp(); - pluginsDir.cdUp(); - pluginsDir.cdUp(); - } -#endif - pluginsDir.cd("plugins"); - const QStringList entries = pluginsDir.entryList(QDir::Files); - for (const QString &fileName : entries) { - QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName)); - QObject *plugin = pluginLoader.instance(); - if (plugin) { - echoInterface = qobject_cast<EchoInterface *>(plugin); - if (echoInterface) - return true; - pluginLoader.unload(); - } - } - - return false; -} -//! [3] |