summaryrefslogtreecommitdiffstats
path: root/src/widgets/doc/snippets/code/src_gui_kernel_qwidget.cpp
blob: 21703c739504a3b58809832efc71e06ade53eb3e (plain)
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
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

//! [0]
w->setWindowState(w->windowState() ^ Qt::WindowFullScreen);
//! [0]


//! [1]
w->setWindowState((w->windowState() & ~Qt::WindowMinimized) | Qt::WindowActive);
//! [1]


//! [2]
width = baseSize().width() + i * sizeIncrement().width();
height = baseSize().height() + j * sizeIncrement().height();
//! [2]


//! [3]
aWidget->window()->setWindowTitle("New Window Title");
//! [3]


//! [6]
setCursor(Qt::IBeamCursor);
//! [6]


//! [7]
QPixmap pixmap(widget->size());
widget->render(&pixmap);
//! [7]


//! [8]
QPainter painter(this);
...
painter.end();
myWidget->render(this);
//! [8]


//! [9]
setTabOrder(a, b); // a to b
setTabOrder(b, c); // a to b to c
setTabOrder(c, d); // a to b to c to d
//! [9]


//! [9.list]
setTabOrder({a, b, c, d}); // a to b to c to d
//! [9.list]


//! [10]
// WRONG
setTabOrder(c, d); // c to d
setTabOrder(a, b); // a to b AND c to d
setTabOrder(b, c); // a to b to c, but not c to d
//! [10]


//! [11]
void MyWidget::closeEvent(QCloseEvent *event)
{
    QSettings settings("MyCompany", "MyApp");
    settings.setValue("geometry", saveGeometry());
    QWidget::closeEvent(event);
}
//! [11]


//! [12]
QSettings settings("MyCompany", "MyApp");
myWidget->restoreGeometry(settings.value("myWidget/geometry").toByteArray());
//! [12]


//! [13]
setUpdatesEnabled(false);
bigVisualChanges();
setUpdatesEnabled(true);
//! [13]