qt5base-lts/examples/widgets/tools/settingseditor/locationdialog.cpp

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
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#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, &QComboBox::activated,
this, &LocationDialog::updateLocationsTable);
connect(scopeComboBox, &QComboBox::activated,
this, &LocationDialog::updateLocationsTable);
connect(organizationComboBox->lineEdit(),
&QLineEdit::editingFinished,
this, &LocationDialog::updateLocationsTable);
connect(applicationComboBox->lineEdit(),
&QLineEdit::editingFinished,
this, &LocationDialog::updateLocationsTable);
connect(applicationComboBox, &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);
}