summaryrefslogtreecommitdiffstats
path: root/src/widgets/qslider.h
blob: 4d80b4fab608ab3585c6981dac46f49158d4f589 (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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/****************************************************************************
**
** Definition of TQSlider class
**
** Created : 961019
**
** Copyright (C) 1992-2008 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 TQSLIDER_H
#define TQSLIDER_H

#ifndef QT_H
#include "qwidget.h"
#include "qrangecontrol.h"
#endif // QT_H

#ifndef QT_NO_SLIDER

struct TQSliderPrivate;

class TQTimer;

class Q_EXPORT TQSlider : public TQWidget, public TQRangeControl
{
    Q_OBJECT
    Q_ENUMS( TickSetting )
    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 )
    Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
    Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
    Q_PROPERTY( TickSetting tickmarks READ tickmarks WRITE setTickmarks )
    Q_PROPERTY( int tickInterval READ tickInterval WRITE setTickInterval )
	
public:
    enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
		       Below = 2, Right = Below, Both = 3 };

    TQSlider( TQWidget *parent, const char* name = 0 );
    TQSlider( Orientation, TQWidget *parent, const char* name = 0 );
    TQSlider( int minValue, int maxValue, int pageStep, int value, Orientation,
	     TQWidget *parent, const char* name = 0 );
    ~TQSlider();

    virtual void	setOrientation( Orientation );
    Orientation orientation() const;
    virtual void	setTracking( bool enable );
    bool	tracking() const;
    virtual void 	setPalette( const TQPalette & );

    int sliderStart() const;
    TQRect sliderRect() const;
    TQSize sizeHint() const;
    void setSizePolicy( TQSizePolicy sp );
    void setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw = FALSE );

    TQSizePolicy sizePolicy() const;
    TQSize minimumSizeHint() const;

    virtual void setTickmarks( TickSetting );
    TickSetting tickmarks() const { return ticks; }

    virtual void setTickInterval( int );
    int 	tickInterval() const { return tickInt; }

    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	addStep();
    void	subtractStep();
    void	addLine();
    void	subtractLine();

signals:
    void	valueChanged( int value );
    void	sliderPressed();
    void	sliderMoved( int value );
    void	sliderReleased();

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 *e );
    void	focusOutEvent( TQFocusEvent *e );

    void	styleChange( TQStyle& );

    void	valueChange();
    void	rangeChange();

private slots:
    void	repeatTimeout();

private:
    enum State { Idle, Dragging, TimingUp, TimingDown };

    void	init();
    int		positionFromValue( int ) const;
    int		valueFromPosition( int ) const;
    void	moveSlider( int );
    void	reallyMoveSlider( int );
    void	resetState();
    int		available() const;
    int		goodPart( const TQPoint& ) const;
    void	initTicks();

    TQSliderPrivate *d;
    TQTimer	*timer;
    TQCOORD	sliderPos;
    int		sliderVal;
    TQCOORD	clickOffset;
    State	state;
    bool	track;
    TQCOORD	tickOffset;
    TickSetting	ticks;
    int		tickInt;
    Orientation orient;

private:	// Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    TQSlider( const TQSlider & );
    TQSlider &operator=( const TQSlider & );
#endif
};

inline bool TQSlider::tracking() const
{
    return track;
}

inline TQSlider::Orientation TQSlider::orientation() const
{
    return orient;
}

inline int TQSlider::sliderStart() const
{
    return sliderPos;
}

inline void TQSlider::setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw )
{ 
    TQWidget::setSizePolicy( hor, ver, hfw ); 
}

#endif // QT_NO_SLIDER

#endif // TQSLIDER_H