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
|
/****************************************************************************
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef BUTTON_H
#define BUTTON_H
#include <QGraphicsWidget>
class ButtonPrivate;
class QTextDocument;
class QPixmap;
class QFont;
class Button : public QGraphicsWidget
{
Q_OBJECT
Q_DECLARE_PRIVATE(Button)
public:
Button(const QString &text, QGraphicsItem *parent=0, QSizeF minimumSize = QSizeF());
virtual ~Button();
signals:
void clicked(bool checked = false);
void pressed();
void released();
public slots:
void themeChange();
void setText(const QString &text);
QString text();
public:
void setBackground(QPixmap& background);
bool isDown();
void select(bool select){m_selected = select;}
void click() {emit clicked();}
private:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
QSizeF sizeHint(Qt::SizeHint which,
const QSizeF &constraint = QSizeF()) const;
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void resizeEvent(QGraphicsSceneResizeEvent *event);
private:
Q_DISABLE_COPY(Button)
ButtonPrivate *d_ptr;
QPixmap m_background;
QFont m_font;
bool m_selected;
};
#endif // BUTTON_H
|
