examples/widgets/tools/settingseditor/mainwindow.cpp

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  40
  41 #include <QtWidgets>
  42
  43 #include "locationdialog.h"
  44 #include "mainwindow.h"
  45 #include "settingstree.h"
  46
  47 MainWindow::MainWindow()
  48 {
  49     settingsTree = new SettingsTree;
  50     setCentralWidget(settingsTree);
  51
  52     locationDialog = 0;
  53
  54     createActions();
  55     createMenus();
  56
  57     autoRefreshAct->setChecked(true);
  58     fallbacksAct->setChecked(true);
  59
  60     setWindowTitle(tr("Settings Editor"));
  61     resize(500, 600);
  62 }
  63
  64 void MainWindow::openSettings()
  65 {
  66     if (!locationDialog)
  67         locationDialog = new LocationDialog(this);
  68
  69     if (locationDialog->exec()) {
  70         QSettings *settings = new QSettings(locationDialog->format(),
  71                                             locationDialog->scope(),
  72                                             locationDialog->organization(),
  73                                             locationDialog->application());
  74         setSettingsObject(settings);
  75         fallbacksAct->setEnabled(true);
  76     }
  77 }
  78
  79 void MainWindow::openIniFile()
  80 {
  81     QString fileName = QFileDialog::getOpenFileName(this, tr("Open INI File"),
  82                                "", tr("INI Files (*.ini *.conf)"));
  83     if (!fileName.isEmpty()) {
  84         QSettings *settings = new QSettings(fileName, QSettings::IniFormat);
  85         setSettingsObject(settings);
  86         fallbacksAct->setEnabled(false);
  87     }
  88 }
  89
  90 void MainWindow::openPropertyList()
  91 {
  92     QString fileName = QFileDialog::getOpenFileName(this,
  93                                tr("Open Property List"),
  94                                "", tr("Property List Files (*.plist)"));
  95     if (!fileName.isEmpty()) {
  96         QSettings *settings = new QSettings(fileName, QSettings::NativeFormat);
  97         setSettingsObject(settings);
  98         fallbacksAct->setEnabled(false);
  99     }
 100 }
 101
 102 void MainWindow::openRegistryPath()
 103 {
 104     QString path = QInputDialog::getText(this, tr("Open Registry Path"),
 105                            tr("Enter the path in the Windows registry:"),
 106                            QLineEdit::Normal, "HKEY_CURRENT_USER\\");
 107     if (!path.isEmpty()) {
 108         QSettings *settings = new QSettings(path, QSettings::NativeFormat);
 109         setSettingsObject(settings);
 110         fallbacksAct->setEnabled(false);
 111     }
 112 }
 113
 114 void MainWindow::about()
 115 {
 116     QMessageBox::about(this, tr("About Settings Editor"),
 117             tr("The <b>Settings Editor</b> example shows how to access "
 118                "application settings using Qt."));
 119 }
 120
 121 void MainWindow::createActions()
 122 {
 123     openSettingsAct = new QAction(tr("&Open Application Settings..."), this);
 124     openSettingsAct->setShortcuts(QKeySequence::Open);
 125     connect(openSettingsAct, SIGNAL(triggered()), this, SLOT(openSettings()));
 126
 127     openIniFileAct = new QAction(tr("Open I&NI File..."), this);
 128     openIniFileAct->setShortcut(tr("Ctrl+N"));
 129     connect(openIniFileAct, SIGNAL(triggered()), this, SLOT(openIniFile()));
 130
 131     openPropertyListAct = new QAction(tr("Open Mac &Property List..."), this);
 132     openPropertyListAct->setShortcut(tr("Ctrl+P"));
 133     connect(openPropertyListAct, SIGNAL(triggered()),
 134             this, SLOT(openPropertyList()));
 135
 136     openRegistryPathAct = new QAction(tr("Open Windows &Registry Path..."),
 137                                       this);
 138     openRegistryPathAct->setShortcut(tr("Ctrl+G"));
 139     connect(openRegistryPathAct, SIGNAL(triggered()),
 140             this, SLOT(openRegistryPath()));
 141
 142     refreshAct = new QAction(tr("&Refresh"), this);
 143     refreshAct->setShortcut(tr("Ctrl+R"));
 144     refreshAct->setEnabled(false);
 145     connect(refreshAct, SIGNAL(triggered()), settingsTree, SLOT(refresh()));
 146
 147     exitAct = new QAction(tr("E&xit"), this);
 148     exitAct->setShortcuts(QKeySequence::Quit);
 149     connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 150
 151     autoRefreshAct = new QAction(tr("&Auto-Refresh"), this);
 152     autoRefreshAct->setShortcut(tr("Ctrl+A"));
 153     autoRefreshAct->setCheckable(true);
 154     autoRefreshAct->setEnabled(false);
 155     connect(autoRefreshAct, SIGNAL(triggered(bool)),
 156             settingsTree, SLOT(setAutoRefresh(bool)));
 157     connect(autoRefreshAct, SIGNAL(triggered(bool)),
 158             refreshAct, SLOT(setDisabled(bool)));
 159
 160     fallbacksAct = new QAction(tr("&Fallbacks"), this);
 161     fallbacksAct->setShortcut(tr("Ctrl+F"));
 162     fallbacksAct->setCheckable(true);
 163     fallbacksAct->setEnabled(false);
 164     connect(fallbacksAct, SIGNAL(triggered(bool)),
 165             settingsTree, SLOT(setFallbacksEnabled(bool)));
 166
 167     aboutAct = new QAction(tr("&About"), this);
 168     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
 169
 170     aboutQtAct = new QAction(tr("About &Qt"), this);
 171     connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 172
 173 #ifndef Q_OS_MAC
 174     openPropertyListAct->setEnabled(false);
 175 #endif
 176 #ifndef Q_OS_WIN
 177     openRegistryPathAct->setEnabled(false);
 178 #endif
 179 }
 180
 181 void MainWindow::createMenus()
 182 {
 183     fileMenu = menuBar()->addMenu(tr("&File"));
 184     fileMenu->addAction(openSettingsAct);
 185     fileMenu->addAction(openIniFileAct);
 186     fileMenu->addAction(openPropertyListAct);
 187     fileMenu->addAction(openRegistryPathAct);
 188     fileMenu->addSeparator();
 189     fileMenu->addAction(refreshAct);
 190     fileMenu->addSeparator();
 191     fileMenu->addAction(exitAct);
 192
 193     optionsMenu = menuBar()->addMenu(tr("&Options"));
 194     optionsMenu->addAction(autoRefreshAct);
 195     optionsMenu->addAction(fallbacksAct);
 196
 197     menuBar()->addSeparator();
 198
 199     helpMenu = menuBar()->addMenu(tr("&Help"));
 200     helpMenu->addAction(aboutAct);
 201     helpMenu->addAction(aboutQtAct);
 202 }
 203
 204 void MainWindow::setSettingsObject(QSettings *settings)
 205 {
 206     settings->setFallbacksEnabled(fallbacksAct->isChecked());
 207     settingsTree->setSettingsObject(settings);
 208
 209     refreshAct->setEnabled(true);
 210     autoRefreshAct->setEnabled(true);
 211
 212     QString niceName = settings->fileName();
 213     niceName.replace("\\", "/");
 214     int pos = niceName.lastIndexOf("/");
 215     if (pos != -1)
 216         niceName.remove(0, pos + 1);
 217
 218     if (!settings->isWritable())
 219         niceName = tr("%1 (read only)").arg(niceName);
 220
 221     setWindowTitle(tr("%1 - %2").arg(niceName).arg(tr("Settings Editor")));
 222 }