1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc and its Subsidiary(-ies) 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 <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]
|
