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) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QStyleOptionGraphicsItem>
#include <QGraphicsSceneResizeEvent>
#include <QPainter>
#include <QRectF>
#include "backgrounditem.h"
#include "theme.h"
BackgroundItem::BackgroundItem(const QString &filename, QGraphicsWidget *parent)
: GvbWidget(parent),
m_background(),
m_fileName(filename)
{
setContentsMargins(0,0,0,0);
connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange()));
}
BackgroundItem::~BackgroundItem()
{
}
void BackgroundItem::resizeEvent(QGraphicsSceneResizeEvent *event)
{
GvbWidget::resizeEvent(event);
m_background = Theme::p()->pixmap(m_fileName, size().toSize());
}
void BackgroundItem::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
Q_UNUSED(widget)
painter->setCompositionMode(QPainter::CompositionMode_Source);
painter->drawPixmap(option->exposedRect, m_background, option->exposedRect);
}
void BackgroundItem::themeChange()
{
m_background = Theme::p()->pixmap(m_fileName, size().toSize());
update();
}
|
