Long live Qt 4.5!

1 files changed, 185 insertions, 0 deletions

diff --git a/doc/src/snippets/settings/settings.cpp b/doc/src/snippets/settings/settings.cpp
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+++ b/doc/src/snippets/settings/settings.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+QWidget *win;
+QWidget *panel;
+
+void snippet_ctor1()
+{
+//! [0]
+    QSettings settings("MySoft", "Star Runner");
+//! [0]
+}
+
+void snippet_ctor2()
+{
+//! [1]
+    QCoreApplication::setOrganizationName("MySoft");
+//! [1] //! [2]
+    QCoreApplication::setOrganizationDomain("mysoft.com");
+//! [2] //! [3]
+    QCoreApplication::setApplicationName("Star Runner");
+//! [3]
+
+//! [4]
+    QSettings settings;
+//! [4]
+
+//! [5]
+    settings.setValue("editor/wrapMargin", 68);
+//! [5] //! [6]
+    int margin = settings.value("editor/wrapMargin").toInt();
+//! [6]
+    {
+//! [7]
+    int margin = settings.value("editor/wrapMargin", 80).toInt();
+//! [7]
+    }
+
+//! [8]
+    settings.setValue("mainwindow/size", win->size());
+//! [8] //! [9]
+    settings.setValue("mainwindow/fullScreen", win->isFullScreen());
+//! [9] //! [10]
+    settings.setValue("outputpanel/visible", panel->isVisible());
+//! [10]
+
+//! [11]
+    settings.beginGroup("mainwindow");
+    settings.setValue("size", win->size());
+    settings.setValue("fullScreen", win->isFullScreen());
+    settings.endGroup();
+//! [11]
+
+//! [12]
+    settings.beginGroup("outputpanel");
+    settings.setValue("visible", panel->isVisible());
+    settings.endGroup();
+//! [12]
+}
+
+void snippet_locations()
+{
+//! [13]
+    QSettings obj1("MySoft", "Star Runner");
+//! [13] //! [14]
+    QSettings obj2("MySoft");
+    QSettings obj3(QSettings::SystemScope, "MySoft", "Star Runner");
+    QSettings obj4(QSettings::SystemScope, "MySoft");
+//! [14]
+
+    {
+//! [15]
+    QSettings settings(QSettings::IniFormat, QSettings::UserScope,
+                       "MySoft", "Star Runner");
+//! [15]
+    }
+
+    {
+    QSettings settings("starrunner.ini", QSettings::IniFormat);
+    }
+
+    {
+    QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft",
+                       QSettings::NativeFormat);
+    }
+}
+
+class MainWindow : public QMainWindow
+{
+public:
+    MainWindow();
+
+    void writeSettings();
+    void readSettings();
+
+protected:
+    void closeEvent(QCloseEvent *event);
+};
+
+//! [16]
+void MainWindow::writeSettings()
+{
+    QSettings settings("Moose Soft", "Clipper");
+
+    settings.beginGroup("MainWindow");
+    settings.setValue("size", size());
+    settings.setValue("pos", pos());
+    settings.endGroup();
+}
+//! [16]
+
+//! [17]
+void MainWindow::readSettings()
+{
+    QSettings settings("Moose Soft", "Clipper");
+
+    settings.beginGroup("MainWindow");
+    resize(settings.value("size", QSize(400, 400)).toSize());
+    move(settings.value("pos", QPoint(200, 200)).toPoint());
+    settings.endGroup();
+}
+//! [17]
+
+//! [18]
+MainWindow::MainWindow()
+{
+//! [18] //! [19]
+    readSettings();
+//! [19] //! [20]
+}
+//! [20]
+
+bool userReallyWantsToQuit() { return true; }
+
+//! [21]
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    if (userReallyWantsToQuit()) {
+        writeSettings();
+        event->accept();
+    } else {
+        event->ignore();
+    }
+}
+//! [21]