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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenVG module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSSYSTEMCURSOR_H
#define QGRAPHICSSYSTEMCURSOR_H
#include <QList>
#include <QImage>
#include <QMouseEvent>
#include <QWeakPointer>
#include <QObject>
#include <QPlatformScreen>
#include <QCursor>
QT_BEGIN_NAMESPACE
// Cursor graphics management
class Q_GUI_EXPORT QGraphicsSystemCursorImage {
public:
QGraphicsSystemCursorImage(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
{ set(data, mask, width, height, hotX, hotY); }
QImage * image() { return &cursorImage; }
QPoint hotspot() { return hot; }
void set(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY);
void set(const QImage * image, int hx, int hy);
void set(Qt::CursorShape);
private:
static void createSystemCursor(int id);
QImage cursorImage;
QPoint hot;
};
class QGraphicsSystemCursor;
class QGraphicsSystemCursorPrivate {
public:
static QList<QWeakPointer<QGraphicsSystemCursor> > getInstances() { return instances; }
static QList<QWeakPointer<QGraphicsSystemCursor> > instances;
};
class Q_GUI_EXPORT QGraphicsSystemCursor : public QObject {
public:
QGraphicsSystemCursor(QPlatformScreen *);
// input methods
virtual void pointerEvent(const QMouseEvent & event) { Q_UNUSED(event); }
virtual void changeCursor(QCursor * widgetCursor, QWidget * widget) = 0;
protected:
QPlatformScreen* screen; // Where to request an update
private:
Q_DECLARE_PRIVATE(QGraphicsSystemCursor);
friend void qt_lite_set_cursor(QWidget * w, bool force);
friend class QApplicationPrivate;
};
QT_END_NAMESPACE
#endif // QGRAPHICSSYSTEMCURSOR_H
|
