Qt 4.8
qmouse_qws.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #ifndef QMOUSE_QWS_H
43 #define QMOUSE_QWS_H
44 
45 #include <QtCore/qobject.h>
46 #include <QtGui/qpolygon.h>
47 
49 
51 
52 QT_MODULE(Gui)
53 
55 class QScreen;
56 
58 {
59 public:
60  enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3,
61  Center = 4, LastLocation = Center };
62  QPoint devPoints[5];
63  QPoint screenPoints[5];
64 };
65 
67 {
68 public:
69  explicit QWSMouseHandler(const QString &driver = QString(),
70  const QString &device = QString());
71  virtual ~QWSMouseHandler();
72 
73  virtual void clearCalibration() {}
74  virtual void calibrate(const QWSPointerCalibrationData *) {}
75  virtual void getCalibration(QWSPointerCalibrationData *) const {}
76 
77  virtual void resume() = 0;
78  virtual void suspend() = 0;
79 
80  void limitToScreen(QPoint &pt);
81  void mouseChanged(const QPoint& pos, int bstate, int wheel = 0);
82  const QPoint &pos() const { return mousePos; }
83 
84  void setScreen(const QScreen *screen);
85 
86 protected:
89 };
90 
91 
93 {
94 public:
95  explicit QWSCalibratedMouseHandler(const QString &driver = QString(),
96  const QString &device = QString());
97 
98  virtual void clearCalibration();
99  virtual void calibrate(const QWSPointerCalibrationData *);
100  virtual void getCalibration(QWSPointerCalibrationData *) const;
101 
102 protected:
103  bool sendFiltered(const QPoint &, int button);
104  QPoint transform(const QPoint &);
105 
106  void readCalibration();
107  void writeCalibration();
108  void setFilterSize(int);
109 
110 private:
111  int a, b, c;
112  int d, e, f;
113  int s;
117 };
118 
120 
122 
123 #endif // QMOUSE_QWS_H
double d
Definition: qnumeric_p.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
The QWSCalibratedMouseHandler class provides mouse calibration and noise reduction in Qt for Embedded...
Definition: qmouse_qws.h:92
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QWSMouseHandler class is a base class for mouse drivers in Qt for Embedded Linux.
Definition: qmouse_qws.h:66
QPoint & mousePos
Definition: qmouse_qws.h:87
long ASN1_INTEGER_get ASN1_INTEGER * a
The QPolygon class provides a vector of points using integer precision.
Definition: qpolygon.h:60
The QString class provides a Unicode character string.
Definition: qstring.h:83
const QPoint & pos() const
Returns the current mouse position.
Definition: qmouse_qws.h:82
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QWSPointerCalibrationData class is a container for mouse calibration data in Qt for Embedded Linu...
Definition: qmouse_qws.h:57
Location
This enum describes the various logical positions that can be specified by the devPoints and screenPo...
Definition: qmouse_qws.h:60
virtual void calibrate(const QWSPointerCalibrationData *)
This virtual function allows subclasses of QWSMouseHandler to set the calibration information passed ...
Definition: qmouse_qws.h:74
QWSMouseHandlerPrivate * d_ptr
Definition: qmouse_qws.h:88
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
virtual void clearCalibration()
This virtual function allows subclasses of QWSMouseHandler to clear the calibration information...
Definition: qmouse_qws.h:73
The QScreen class is a base class for screen drivers in Qt for Embedded Linux.
Definition: qscreen_qws.h:191
#define QT_END_HEADER
Definition: qglobal.h:137
virtual void getCalibration(QWSPointerCalibrationData *) const
This virtual function allows subclasses of QWSMouseHandler to fill in the device coordinates in data ...
Definition: qmouse_qws.h:75