blob: 5fb2ee1a51653238411287a6c40832fcd7f8bd88 (
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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "label.h"
Label::Label(const QString &text, QGraphicsItem *parent)
: GvbWidget(parent)
{
m_textItem = new QGraphicsSimpleTextItem(this);
setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
setContentsMargins(0, 0, 0, 0);
setText(text);
// This flag was introduced in Qt 4.6.
setFlag(QGraphicsItem::ItemHasNoContents, true);
}
Label::~Label()
{
}
void Label::setText(const QString &text)
{
m_textItem->setText(text);
prepareGeometryChange();
}
QString Label::text() const
{
return m_textItem->text();
}
void Label::setFont(const QFont font)
{
m_textItem->setFont(font);
}
void Label::resizeEvent(QGraphicsSceneResizeEvent *event)
{
GvbWidget::resizeEvent(event);
}
QSizeF Label::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
switch (which) {
case Qt::MinimumSize:
// fall thru
case Qt::PreferredSize: {
QFontMetricsF fm(m_textItem->font());
return QSizeF(fm.horizontalAdvance(m_textItem->text()), fm.height());
}
default:
return GvbWidget::sizeHint(which, constraint);
}
}
|
