qt-everywhere-src-5.15.1/qtbase/examples/widgets/tools/settingseditor/locationdialog.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 <QBoxLayout>
 #include <QComboBox>
 #include <QDialogButtonBox>
 #include <QDir>
 #include <QPushButton>
 #include <QGroupBox>
 #include <QHeaderView>
 #include <QLabel>
 #include <QLineEdit>
 #include <QTableWidget>
 #include <QTableWidgetItem>

 LocationDialog::LocationDialog(QWidget *parent)
     : QDialog(parent)
 {
     formatComboBox = new QComboBox;
     formatComboBox->addItem(tr("Native"));
     formatComboBox->addItem(tr("INI"));

     scopeComboBox = new QComboBox;
     scopeComboBox->addItem(tr("User"));
     scopeComboBox->addItem(tr("System"));

     organizationComboBox = new QComboBox;
     organizationComboBox->addItem(tr("QtProject"));
     organizationComboBox->setEditable(true);

     applicationComboBox = new QComboBox;
     applicationComboBox->addItem(tr("Any"));
     applicationComboBox->addItem(tr("Qt Creator"));
     applicationComboBox->addItem(tr("Application Example"));
     applicationComboBox->addItem(tr("Assistant"));
     applicationComboBox->addItem(tr("Designer"));
     applicationComboBox->addItem(tr("Linguist"));
     applicationComboBox->setEditable(true);
     applicationComboBox->setCurrentIndex(1);

     formatLabel = new QLabel(tr("&Format:"));
     formatLabel->setBuddy(formatComboBox);

     scopeLabel = new QLabel(tr("&Scope:"));
     scopeLabel->setBuddy(scopeComboBox);

     organizationLabel = new QLabel(tr("&Organization:"));
     organizationLabel->setBuddy(organizationComboBox);

     applicationLabel = new QLabel(tr("&Application:"));
     applicationLabel->setBuddy(applicationComboBox);

     locationsGroupBox = new QGroupBox(tr("Setting Locations"));

     const QStringList labels{tr("Location"), tr("Access")};

     locationsTable = new QTableWidget;
     locationsTable->setSelectionMode(QAbstractItemView::SingleSelection);
     locationsTable->setSelectionBehavior(QAbstractItemView::SelectRows);
     locationsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
     locationsTable->setColumnCount(2);
     locationsTable->setHorizontalHeaderLabels(labels);
     locationsTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
     locationsTable->horizontalHeader()->resizeSection(1, 180);
     connect(locationsTable, &QTableWidget::itemActivated, this, &LocationDialog::itemActivated);

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);

     connect(formatComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &LocationDialog::updateLocationsTable);
     connect(scopeComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &LocationDialog::updateLocationsTable);
     connect(organizationComboBox->lineEdit(),
             &QLineEdit::editingFinished,
             this, &LocationDialog::updateLocationsTable);
     connect(applicationComboBox->lineEdit(),
             &QLineEdit::editingFinished,
             this, &LocationDialog::updateLocationsTable);
     connect(applicationComboBox, QOverload<int>::of(&QComboBox::activated),
             this, &LocationDialog::updateLocationsTable);
     connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);

     QVBoxLayout *locationsLayout = new QVBoxLayout(locationsGroupBox);
     locationsLayout->addWidget(locationsTable);

     QGridLayout *mainLayout = new QGridLayout(this);
     mainLayout->addWidget(formatLabel, 0, 0);
     mainLayout->addWidget(formatComboBox, 0, 1);
     mainLayout->addWidget(scopeLabel, 1, 0);
     mainLayout->addWidget(scopeComboBox, 1, 1);
     mainLayout->addWidget(organizationLabel, 2, 0);
     mainLayout->addWidget(organizationComboBox, 2, 1);
     mainLayout->addWidget(applicationLabel, 3, 0);
     mainLayout->addWidget(applicationComboBox, 3, 1);
     mainLayout->addWidget(locationsGroupBox, 4, 0, 1, 2);
     mainLayout->addWidget(buttonBox, 5, 0, 1, 2);

     updateLocationsTable();

     setWindowTitle(tr("Open Application Settings"));
     resize(650, 400);
 }

 QSettings::Format LocationDialog::format() const
 {
     if (formatComboBox->currentIndex() == 0)
         return QSettings::NativeFormat;
     else
         return QSettings::IniFormat;
 }

 QSettings::Scope LocationDialog::scope() const
 {
     if (scopeComboBox->currentIndex() == 0)
         return QSettings::UserScope;
     else
         return QSettings::SystemScope;
 }

 QString LocationDialog::organization() const
 {
     return organizationComboBox->currentText();
 }

 QString LocationDialog::application() const
 {
     if (applicationComboBox->currentText() == tr("Any"))
         return QString();
     else
         return applicationComboBox->currentText();
 }

 void LocationDialog::itemActivated(QTableWidgetItem *)
 {
     buttonBox->button(QDialogButtonBox::Ok)->animateClick();
 }

 void LocationDialog::updateLocationsTable()
 {
     locationsTable->setUpdatesEnabled(false);
     locationsTable->setRowCount(0);

     for (int i = 0; i < 2; ++i) {
         if (i == 0 && scope() == QSettings::SystemScope)
             continue;

         QSettings::Scope actualScope = (i == 0) ? QSettings::UserScope
                                                 : QSettings::SystemScope;
         for (int j = 0; j < 2; ++j) {
             if (j == 0 && application().isEmpty())
                 continue;

             QString actualApplication;
             if (j == 0)
                 actualApplication = application();
             QSettings settings(format(), actualScope, organization(),
                                actualApplication);

             int row = locationsTable->rowCount();
             locationsTable->setRowCount(row + 1);

             QTableWidgetItem *item0 = new QTableWidgetItem(QDir::toNativeSeparators(settings.fileName()));

             QTableWidgetItem *item1 = new QTableWidgetItem;
             bool disable = (settings.childKeys().isEmpty()
                             && settings.childGroups().isEmpty());

             if (row == 0) {
                 if (settings.isWritable()) {
                     item1->setText(tr("Read-write"));
                     disable = false;
                 } else {
                     item1->setText(tr("Read-only"));
                 }
                 buttonBox->button(QDialogButtonBox::Ok)->setDisabled(disable);
             } else {
                 item1->setText(tr("Read-only fallback"));
             }

             if (disable) {
                 item0->setFlags(item0->flags() & ~Qt::ItemIsEnabled);
                 item1->setFlags(item1->flags() & ~Qt::ItemIsEnabled);
             }

             locationsTable->setItem(row, 0, item0);
             locationsTable->setItem(row, 1, item1);
         }
     }
     locationsTable->setUpdatesEnabled(true);
 }
	/****************************************************************************
	**
	** 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 <QBoxLayout>
	#include <QComboBox>
	#include <QDialogButtonBox>
	#include <QDir>
	#include <QPushButton>
	#include <QGroupBox>
	#include <QHeaderView>
	#include <QLabel>
	#include <QLineEdit>
	#include <QTableWidget>
	#include <QTableWidgetItem>

	LocationDialog::LocationDialog(QWidget *parent)
	: QDialog(parent)
	{
	formatComboBox = new QComboBox;
	formatComboBox->addItem(tr("Native"));
	formatComboBox->addItem(tr("INI"));

	scopeComboBox = new QComboBox;
	scopeComboBox->addItem(tr("User"));
	scopeComboBox->addItem(tr("System"));

	organizationComboBox = new QComboBox;
	organizationComboBox->addItem(tr("QtProject"));
	organizationComboBox->setEditable(true);

	applicationComboBox = new QComboBox;
	applicationComboBox->addItem(tr("Any"));
	applicationComboBox->addItem(tr("Qt Creator"));
	applicationComboBox->addItem(tr("Application Example"));
	applicationComboBox->addItem(tr("Assistant"));
	applicationComboBox->addItem(tr("Designer"));
	applicationComboBox->addItem(tr("Linguist"));
	applicationComboBox->setEditable(true);
	applicationComboBox->setCurrentIndex(1);

	formatLabel = new QLabel(tr("&Format:"));
	formatLabel->setBuddy(formatComboBox);

	scopeLabel = new QLabel(tr("&Scope:"));
	scopeLabel->setBuddy(scopeComboBox);

	organizationLabel = new QLabel(tr("&Organization:"));
	organizationLabel->setBuddy(organizationComboBox);

	applicationLabel = new QLabel(tr("&Application:"));
	applicationLabel->setBuddy(applicationComboBox);

	locationsGroupBox = new QGroupBox(tr("Setting Locations"));

	const QStringList labels{tr("Location"), tr("Access")};

	locationsTable = new QTableWidget;
	locationsTable->setSelectionMode(QAbstractItemView::SingleSelection);
	locationsTable->setSelectionBehavior(QAbstractItemView::SelectRows);
	locationsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
	locationsTable->setColumnCount(2);
	locationsTable->setHorizontalHeaderLabels(labels);
	locationsTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
	locationsTable->horizontalHeader()->resizeSection(1, 180);
	connect(locationsTable, &QTableWidget::itemActivated, this, &LocationDialog::itemActivated);

	buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok \| QDialogButtonBox::Cancel);

	connect(formatComboBox, QOverload<int>::of(&QComboBox::activated),
	this, &LocationDialog::updateLocationsTable);
	connect(scopeComboBox, QOverload<int>::of(&QComboBox::activated),
	this, &LocationDialog::updateLocationsTable);
	connect(organizationComboBox->lineEdit(),
	&QLineEdit::editingFinished,
	this, &LocationDialog::updateLocationsTable);
	connect(applicationComboBox->lineEdit(),
	&QLineEdit::editingFinished,
	this, &LocationDialog::updateLocationsTable);
	connect(applicationComboBox, QOverload<int>::of(&QComboBox::activated),
	this, &LocationDialog::updateLocationsTable);
	connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
	connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);

	QVBoxLayout *locationsLayout = new QVBoxLayout(locationsGroupBox);
	locationsLayout->addWidget(locationsTable);

	QGridLayout *mainLayout = new QGridLayout(this);
	mainLayout->addWidget(formatLabel, 0, 0);
	mainLayout->addWidget(formatComboBox, 0, 1);
	mainLayout->addWidget(scopeLabel, 1, 0);
	mainLayout->addWidget(scopeComboBox, 1, 1);
	mainLayout->addWidget(organizationLabel, 2, 0);
	mainLayout->addWidget(organizationComboBox, 2, 1);
	mainLayout->addWidget(applicationLabel, 3, 0);
	mainLayout->addWidget(applicationComboBox, 3, 1);
	mainLayout->addWidget(locationsGroupBox, 4, 0, 1, 2);
	mainLayout->addWidget(buttonBox, 5, 0, 1, 2);

	updateLocationsTable();

	setWindowTitle(tr("Open Application Settings"));
	resize(650, 400);
	}

	QSettings::Format LocationDialog::format() const
	{
	if (formatComboBox->currentIndex() == 0)
	return QSettings::NativeFormat;
	else
	return QSettings::IniFormat;
	}

	QSettings::Scope LocationDialog::scope() const
	{
	if (scopeComboBox->currentIndex() == 0)
	return QSettings::UserScope;
	else
	return QSettings::SystemScope;
	}

	QString LocationDialog::organization() const
	{
	return organizationComboBox->currentText();
	}

	QString LocationDialog::application() const
	{
	if (applicationComboBox->currentText() == tr("Any"))
	return QString();
	else
	return applicationComboBox->currentText();
	}

	void LocationDialog::itemActivated(QTableWidgetItem *)
	{
	buttonBox->button(QDialogButtonBox::Ok)->animateClick();
	}

	void LocationDialog::updateLocationsTable()
	{
	locationsTable->setUpdatesEnabled(false);
	locationsTable->setRowCount(0);

	for (int i = 0; i < 2; ++i) {
	if (i == 0 && scope() == QSettings::SystemScope)
	continue;

	QSettings::Scope actualScope = (i == 0) ? QSettings::UserScope
	: QSettings::SystemScope;
	for (int j = 0; j < 2; ++j) {
	if (j == 0 && application().isEmpty())
	continue;

	QString actualApplication;
	if (j == 0)
	actualApplication = application();
	QSettings settings(format(), actualScope, organization(),
	actualApplication);

	int row = locationsTable->rowCount();
	locationsTable->setRowCount(row + 1);

	QTableWidgetItem *item0 = new QTableWidgetItem(QDir::toNativeSeparators(settings.fileName()));

	QTableWidgetItem *item1 = new QTableWidgetItem;
	bool disable = (settings.childKeys().isEmpty()
	&& settings.childGroups().isEmpty());

	if (row == 0) {
	if (settings.isWritable()) {
	item1->setText(tr("Read-write"));
	disable = false;
	} else {
	item1->setText(tr("Read-only"));
	}
	buttonBox->button(QDialogButtonBox::Ok)->setDisabled(disable);
	} else {
	item1->setText(tr("Read-only fallback"));
	}

	if (disable) {
	item0->setFlags(item0->flags() & ~Qt::ItemIsEnabled);
	item1->setFlags(item1->flags() & ~Qt::ItemIsEnabled);
	}

	locationsTable->setItem(row, 0, item0);
	locationsTable->setItem(row, 1, item1);
	}
	}
	locationsTable->setUpdatesEnabled(true);
	}