summaryrefslogtreecommitdiffstats
path: root/src/widgets/ntqdial.h
blob: 2fd25d94edb33290babcfaf1c578764742b89c98 (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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/****************************************************************************
**
** Definition of the dial widget
**
** Created : 990104
**
** Copyright (C) 1999-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the widgets module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/


#ifndef TQDIAL_H
#define TQDIAL_H

#ifndef QT_H
#include "ntqwidget.h"
#include "ntqrangecontrol.h"
#endif // QT_H

#ifndef QT_NO_DIAL

class TQDialPrivate;

class Q_EXPORT TQDial: public TQWidget, public TQRangeControl
{
    TQ_OBJECT
    Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
    Q_PROPERTY( bool wrapping READ wrapping WRITE setWrapping )
    Q_PROPERTY( int notchSize READ notchSize )
    Q_PROPERTY( double notchTarget READ notchTarget WRITE setNotchTarget )
    Q_PROPERTY( bool notchesVisible READ notchesVisible WRITE setNotchesVisible )
    Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
    Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
    Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
    Q_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
    Q_PROPERTY( int value READ value WRITE setValue )
	
public:
    TQDial( TQWidget* parent=0, const char* name=0, WFlags f = 0 );
    TQDial( int minValue, int maxValue, int pageStep, int value,
	   TQWidget* parent=0, const char* name=0 );
    ~TQDial();

    bool tracking() const;

    bool wrapping() const;

    int notchSize() const;

    virtual void setNotchTarget( double );
    double notchTarget() const;

    bool notchesVisible() const;

    TQSize sizeHint() const;
    TQSize minimumSizeHint() const;

    int	 minValue() const;
    int	 maxValue() const;
    void setMinValue( int );
    void setMaxValue( int );
    int	 lineStep() const;
    int	 pageStep() const;
    void setLineStep( int );
    void setPageStep( int );
    int  value() const;

public slots:
    virtual void setValue( int );
    void addLine();
    void subtractLine();
    void addPage();
    void subtractPage();
    virtual void setNotchesVisible( bool b );
    virtual void setWrapping( bool on );
    virtual void setTracking( bool enable );

signals:
    void valueChanged( int value );
    void dialPressed();
    void dialMoved( int value );
    void dialReleased();

protected:
    void resizeEvent( TQResizeEvent * );
    void paintEvent( TQPaintEvent * );

    void keyPressEvent( TQKeyEvent * );
    void mousePressEvent( TQMouseEvent * );
    void mouseReleaseEvent( TQMouseEvent * );
    void mouseMoveEvent( TQMouseEvent * );
#ifndef QT_NO_WHEELEVENT
    void wheelEvent( TQWheelEvent * );
#endif
    void focusInEvent( TQFocusEvent * );
    void focusOutEvent( TQFocusEvent * );

    void valueChange();
    void rangeChange();

    virtual void repaintScreen( const TQRect *cr = 0 );

private:
    TQDialPrivate * d;

    int valueFromPoint( const TQPoint & ) const;
    double angle( const TQPoint &, const TQPoint & ) const;
    TQPointArray calcArrow( double &a ) const;
    TQRect calcDial() const;
    int calcBigLineSize() const;
    void calcLines();

private: // Disabled copy constructor and operator=
#if defined(TQ_DISABLE_COPY)
    TQDial( const TQDial & );
    TQDial &operator=( const TQDial & );
#endif

};

#endif  // QT_NO_DIAL

#endif