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50 
51 #include <QtGui>
52 
53 QWidget *win;
54 QWidget *panel;
55 
snippet_ctor1()56 void snippet_ctor1()
57 {
58 //! [0]
59     QSettings settings("MySoft", "Star Runner");
60 //! [0]
61 }
62 
snippet_ctor2()63 void snippet_ctor2()
64 {
65 //! [1]
66     QCoreApplication::setOrganizationName("MySoft");
67 //! [1] //! [2]
68     QCoreApplication::setOrganizationDomain("mysoft.com");
69 //! [2] //! [3]
70     QCoreApplication::setApplicationName("Star Runner");
71 //! [3]
72 
73 //! [4]
74     QSettings settings;
75 //! [4]
76 
77 //! [5]
78     settings.setValue("editor/wrapMargin", 68);
79 //! [5] //! [6]
80     int margin = settings.value("editor/wrapMargin").toInt();
81 //! [6]
82     {
83 //! [7]
84     int margin = settings.value("editor/wrapMargin", 80).toInt();
85 //! [7]
86     }
87 
88 //! [8]
89     settings.setValue("mainwindow/size", win->size());
90 //! [8] //! [9]
91     settings.setValue("mainwindow/fullScreen", win->isFullScreen());
92 //! [9] //! [10]
93     settings.setValue("outputpanel/visible", panel->isVisible());
94 //! [10]
95 
96 //! [11]
97     settings.beginGroup("mainwindow");
98     settings.setValue("size", win->size());
99     settings.setValue("fullScreen", win->isFullScreen());
100     settings.endGroup();
101 //! [11]
102 
103 //! [12]
104     settings.beginGroup("outputpanel");
105     settings.setValue("visible", panel->isVisible());
106     settings.endGroup();
107 //! [12]
108 }
109 
snippet_locations()110 void snippet_locations()
111 {
112 //! [13]
113     QSettings obj1("MySoft", "Star Runner");
114 //! [13] //! [14]
115     QSettings obj2("MySoft");
116     QSettings obj3(QSettings::SystemScope, "MySoft", "Star Runner");
117     QSettings obj4(QSettings::SystemScope, "MySoft");
118 //! [14]
119 
120     {
121 //! [15]
122     QSettings settings(QSettings::IniFormat, QSettings::UserScope,
123                        "MySoft", "Star Runner");
124 //! [15]
125     }
126 
127     {
128     QSettings settings("starrunner.ini", QSettings::IniFormat);
129     }
130 
131     {
132     QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft",
133                        QSettings::NativeFormat);
134     }
135 }
136 
137 class MainWindow : public QMainWindow
138 {
139 public:
140     MainWindow();
141 
142     void writeSettings();
143     void readSettings();
144 
145 protected:
146     void closeEvent(QCloseEvent *event) override;
147 };
148 
149 //! [16]
writeSettings()150 void MainWindow::writeSettings()
151 {
152     QSettings settings("Moose Soft", "Clipper");
153 
154     settings.beginGroup("MainWindow");
155     settings.setValue("size", size());
156     settings.setValue("pos", pos());
157     settings.endGroup();
158 }
159 //! [16]
160 
161 //! [17]
readSettings()162 void MainWindow::readSettings()
163 {
164     QSettings settings("Moose Soft", "Clipper");
165 
166     settings.beginGroup("MainWindow");
167     resize(settings.value("size", QSize(400, 400)).toSize());
168     move(settings.value("pos", QPoint(200, 200)).toPoint());
169     settings.endGroup();
170 }
171 //! [17]
172 
173 //! [18]
MainWindow()174 MainWindow::MainWindow()
175 {
176 //! [18] //! [19]
177     readSettings();
178 //! [19] //! [20]
179 }
180 //! [20]
181 
userReallyWantsToQuit()182 bool userReallyWantsToQuit() { return true; }
183 
184 //! [21]
closeEvent(QCloseEvent * event)185 void MainWindow::closeEvent(QCloseEvent *event)
186 {
187     if (userReallyWantsToQuit()) {
188         writeSettings();
189         event->accept();
190     } else {
191         event->ignore();
192     }
193 }
194 //! [21]
195