qt-everywhere-src-5.15.1/qtbase/examples/widgets/tools/settingseditor/mainwindow.cpp - orbit - Git at Google

 /****************************************************************************
 **
 ** 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 "locationdialog.h"
 #include "mainwindow.h"
 #include "settingstree.h"

 #include <QAction>
 #include <QApplication>
 #include <QFileDialog>
 #include <QInputDialog>
 #include <QLineEdit>
 #include <QMenuBar>
 #include <QMessageBox>
 #include <QScreen>
 #include <QStandardPaths>
 #include <QStatusBar>

 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
     , settingsTree(new SettingsTree)
 {
     setCentralWidget(settingsTree);

     createActions();

     autoRefreshAct->setChecked(true);
     fallbacksAct->setChecked(true);

     setWindowTitle(QCoreApplication::applicationName());
     const QRect availableGeometry = screen()->availableGeometry();
     adjustSize();
     move((availableGeometry.width() - width()) / 2, (availableGeometry.height() - height()) / 2);
 }

 void MainWindow::openSettings()
 {
     if (!locationDialog)
         locationDialog = new LocationDialog(this);

     if (locationDialog->exec() != QDialog::Accepted)
         return;

     SettingsPtr settings(new QSettings(locationDialog->format(),
                                        locationDialog->scope(),
                                        locationDialog->organization(),
                                        locationDialog->application()));

     setSettingsObject(settings);
     fallbacksAct->setEnabled(true);
 }

 void MainWindow::openIniFile()
 {
     const QString directory = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
     const QString fileName =
         QFileDialog::getOpenFileName(this, tr("Open INI File"),
                                      directory, tr("INI Files (*.ini *.conf)"));
     if (fileName.isEmpty())
         return;

     SettingsPtr settings(new QSettings(fileName, QSettings::IniFormat));

     setSettingsObject(settings);
     fallbacksAct->setEnabled(false);
 }

 void MainWindow::openPropertyList()
 {
     const QString directory = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
     const QString fileName =
         QFileDialog::getOpenFileName(this, tr("Open Property List"),
                                      directory, tr("Property List Files (*.plist)"));
     if (fileName.isEmpty())
         return;

     SettingsPtr settings(new QSettings(fileName, QSettings::NativeFormat));
     setSettingsObject(settings);
     fallbacksAct->setEnabled(false);
 }

 void MainWindow::openRegistryPath()
 {
     const QString path =
         QInputDialog::getText(this, tr("Open Registry Path"),
                               tr("Enter the path in the Windows registry:"),
                               QLineEdit::Normal, "HKEY_CURRENT_USER\\");
     if (path.isEmpty())
         return;

     SettingsPtr settings(new QSettings(path, QSettings::NativeFormat));

     setSettingsObject(settings);
     fallbacksAct->setEnabled(false);
 }

 void MainWindow::about()
 {
     QMessageBox::about(this, tr("About Settings Editor"),
             tr("The <b>Settings Editor</b> example shows how to access "
                "application settings using Qt."));
 }

 void MainWindow::createActions()
 {
     QMenu *fileMenu = menuBar()->addMenu(tr("&File"));

     QAction *openSettingsAct = fileMenu->addAction(tr("&Open Application Settings..."), this, &MainWindow::openSettings);
     openSettingsAct->setShortcuts(QKeySequence::Open);

     QAction *openIniFileAct = fileMenu->addAction(tr("Open I&NI File..."), this, &MainWindow::openIniFile);
     openIniFileAct->setShortcut(tr("Ctrl+N"));

 #ifdef Q_OS_MACOS
     QAction *openPropertyListAct = fileMenu->addAction(tr("Open Apple &Property List..."), this, &MainWindow::openPropertyList);
     openPropertyListAct->setShortcut(tr("Ctrl+P"));
 #endif // Q_OS_MACOS

 #ifdef Q_OS_WIN
     QAction *openRegistryPathAct = fileMenu->addAction(tr("Open Windows &Registry Path..."), this, &MainWindow::openRegistryPath);
     openRegistryPathAct->setShortcut(tr("Ctrl+G"));
 #endif // Q_OS_WIN

     fileMenu->addSeparator();

     refreshAct = fileMenu->addAction(tr("&Refresh"), settingsTree, &SettingsTree::refresh);
     refreshAct->setShortcut(tr("Ctrl+R"));
     refreshAct->setEnabled(false);

     fileMenu->addSeparator();

     QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &QWidget::close);
     exitAct->setShortcuts(QKeySequence::Quit);

     QMenu *optionsMenu = menuBar()->addMenu(tr("&Options"));

     autoRefreshAct = optionsMenu->addAction(tr("&Auto-Refresh"));
     autoRefreshAct->setShortcut(tr("Ctrl+A"));
     autoRefreshAct->setCheckable(true);
     autoRefreshAct->setEnabled(false);
     connect(autoRefreshAct, &QAction::triggered,
             settingsTree, &SettingsTree::setAutoRefresh);
     connect(autoRefreshAct, &QAction::triggered,
             refreshAct, &QAction::setDisabled);

     fallbacksAct = optionsMenu->addAction(tr("&Fallbacks"));
     fallbacksAct->setShortcut(tr("Ctrl+F"));
     fallbacksAct->setCheckable(true);
     fallbacksAct->setEnabled(false);
     connect(fallbacksAct, &QAction::triggered,
             settingsTree, &SettingsTree::setFallbacksEnabled);

     QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
     helpMenu->addAction(tr("&About"), this, &MainWindow::about);
     helpMenu->addAction(tr("About &Qt"), qApp, &QCoreApplication::quit);
 }

 void MainWindow::setSettingsObject(const SettingsPtr &settings)
 {
     settings->setFallbacksEnabled(fallbacksAct->isChecked());
     settingsTree->setSettingsObject(settings);

     refreshAct->setEnabled(true);
     autoRefreshAct->setEnabled(true);

     QString niceName = QDir::cleanPath(settings->fileName());
     int pos = niceName.lastIndexOf(QLatin1Char('/'));
     if (pos != -1)
         niceName.remove(0, pos + 1);

     if (!settings->isWritable())
         niceName = tr("%1 (read only)").arg(niceName);

     setWindowTitle(tr("%1 - %2").arg(niceName, QCoreApplication::applicationName()));
     statusBar()->showMessage(tr("Opened \"%1\"").arg(QDir::toNativeSeparators(settings->fileName())));
 }
	/****************************************************************************
	**
	** 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 "locationdialog.h"
	#include "mainwindow.h"
	#include "settingstree.h"

	#include <QAction>
	#include <QApplication>
	#include <QFileDialog>
	#include <QInputDialog>
	#include <QLineEdit>
	#include <QMenuBar>
	#include <QMessageBox>
	#include <QScreen>
	#include <QStandardPaths>
	#include <QStatusBar>

	MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
	, settingsTree(new SettingsTree)
	{
	setCentralWidget(settingsTree);

	createActions();

	autoRefreshAct->setChecked(true);
	fallbacksAct->setChecked(true);

	setWindowTitle(QCoreApplication::applicationName());
	const QRect availableGeometry = screen()->availableGeometry();
	adjustSize();
	move((availableGeometry.width() - width()) / 2, (availableGeometry.height() - height()) / 2);
	}

	void MainWindow::openSettings()
	{
	if (!locationDialog)
	locationDialog = new LocationDialog(this);

	if (locationDialog->exec() != QDialog::Accepted)
	return;

	SettingsPtr settings(new QSettings(locationDialog->format(),
	locationDialog->scope(),
	locationDialog->organization(),
	locationDialog->application()));

	setSettingsObject(settings);
	fallbacksAct->setEnabled(true);
	}

	void MainWindow::openIniFile()
	{
	const QString directory = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
	const QString fileName =
	QFileDialog::getOpenFileName(this, tr("Open INI File"),
	directory, tr("INI Files (.ini .conf)"));
	if (fileName.isEmpty())
	return;

	SettingsPtr settings(new QSettings(fileName, QSettings::IniFormat));

	setSettingsObject(settings);
	fallbacksAct->setEnabled(false);
	}

	void MainWindow::openPropertyList()
	{
	const QString directory = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
	const QString fileName =
	QFileDialog::getOpenFileName(this, tr("Open Property List"),
	directory, tr("Property List Files (*.plist)"));
	if (fileName.isEmpty())
	return;

	SettingsPtr settings(new QSettings(fileName, QSettings::NativeFormat));
	setSettingsObject(settings);
	fallbacksAct->setEnabled(false);
	}

	void MainWindow::openRegistryPath()
	{
	const QString path =
	QInputDialog::getText(this, tr("Open Registry Path"),
	tr("Enter the path in the Windows registry:"),
	QLineEdit::Normal, "HKEY_CURRENT_USER\\");
	if (path.isEmpty())
	return;

	SettingsPtr settings(new QSettings(path, QSettings::NativeFormat));

	setSettingsObject(settings);
	fallbacksAct->setEnabled(false);
	}

	void MainWindow::about()
	{
	QMessageBox::about(this, tr("About Settings Editor"),
	tr("The <b>Settings Editor</b> example shows how to access "
	"application settings using Qt."));
	}

	void MainWindow::createActions()
	{
	QMenu *fileMenu = menuBar()->addMenu(tr("&File"));

	QAction *openSettingsAct = fileMenu->addAction(tr("&Open Application Settings..."), this, &MainWindow::openSettings);
	openSettingsAct->setShortcuts(QKeySequence::Open);

	QAction *openIniFileAct = fileMenu->addAction(tr("Open I&NI File..."), this, &MainWindow::openIniFile);
	openIniFileAct->setShortcut(tr("Ctrl+N"));

	#ifdef Q_OS_MACOS
	QAction *openPropertyListAct = fileMenu->addAction(tr("Open Apple &Property List..."), this, &MainWindow::openPropertyList);
	openPropertyListAct->setShortcut(tr("Ctrl+P"));
	#endif // Q_OS_MACOS

	#ifdef Q_OS_WIN
	QAction *openRegistryPathAct = fileMenu->addAction(tr("Open Windows &Registry Path..."), this, &MainWindow::openRegistryPath);
	openRegistryPathAct->setShortcut(tr("Ctrl+G"));
	#endif // Q_OS_WIN

	fileMenu->addSeparator();

	refreshAct = fileMenu->addAction(tr("&Refresh"), settingsTree, &SettingsTree::refresh);
	refreshAct->setShortcut(tr("Ctrl+R"));
	refreshAct->setEnabled(false);

	fileMenu->addSeparator();

	QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &QWidget::close);
	exitAct->setShortcuts(QKeySequence::Quit);

	QMenu *optionsMenu = menuBar()->addMenu(tr("&Options"));

	autoRefreshAct = optionsMenu->addAction(tr("&Auto-Refresh"));
	autoRefreshAct->setShortcut(tr("Ctrl+A"));
	autoRefreshAct->setCheckable(true);
	autoRefreshAct->setEnabled(false);
	connect(autoRefreshAct, &QAction::triggered,
	settingsTree, &SettingsTree::setAutoRefresh);
	connect(autoRefreshAct, &QAction::triggered,
	refreshAct, &QAction::setDisabled);

	fallbacksAct = optionsMenu->addAction(tr("&Fallbacks"));
	fallbacksAct->setShortcut(tr("Ctrl+F"));
	fallbacksAct->setCheckable(true);
	fallbacksAct->setEnabled(false);
	connect(fallbacksAct, &QAction::triggered,
	settingsTree, &SettingsTree::setFallbacksEnabled);

	QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
	helpMenu->addAction(tr("&About"), this, &MainWindow::about);
	helpMenu->addAction(tr("About &Qt"), qApp, &QCoreApplication::quit);
	}

	void MainWindow::setSettingsObject(const SettingsPtr &settings)
	{
	settings->setFallbacksEnabled(fallbacksAct->isChecked());
	settingsTree->setSettingsObject(settings);

	refreshAct->setEnabled(true);
	autoRefreshAct->setEnabled(true);

	QString niceName = QDir::cleanPath(settings->fileName());
	int pos = niceName.lastIndexOf(QLatin1Char('/'));
	if (pos != -1)
	niceName.remove(0, pos + 1);

	if (!settings->isWritable())
	niceName = tr("%1 (read only)").arg(niceName);

	setWindowTitle(tr("%1 - %2").arg(niceName, QCoreApplication::applicationName()));
	statusBar()->showMessage(tr("Opened \"%1\"").arg(QDir::toNativeSeparators(settings->fileName())));
	}