1 /****************************************************************************
2 ** $Id: qt/qrangecontrol.h 3.3.8 edited Jan 11 14:38 $
3 **
4 ** Definition of QRangeControl class
5 **
6 ** Created : 940427
7 **
8 ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
9 **
10 ** This file is part of the widgets module of the Qt GUI Toolkit.
11 **
12 ** This file may be distributed under the terms of the Q Public License
13 ** as defined by Trolltech ASA of Norway and appearing in the file
14 ** LICENSE.QPL included in the packaging of this file.
15 **
16 ** This file may be distributed and/or modified under the terms of the
17 ** GNU General Public License version 2 as published by the Free Software
18 ** Foundation and appearing in the file LICENSE.GPL included in the
19 ** packaging of this file.
20 **
21 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
22 ** licenses may use this file in accordance with the Qt Commercial License
23 ** Agreement provided with the Software.
24 **
25 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
26 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
27 **
28 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
29 ** information about Qt Commercial License Agreements.
30 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
31 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
32 **
33 ** Contact info@trolltech.com if any conditions of this licensing are
34 ** not clear to you.
35 **
36 **********************************************************************/
37
38 #ifndef QRANGECONTROL_H
39 #define QRANGECONTROL_H
40
41 #ifndef QT_H
42 #include "qglobal.h"
43 #include "qframe.h"
44 #endif // QT_H
45
46 #ifndef QT_NO_RANGECONTROL
47
48
49 class QRangeControlPrivate;
50
51
52 class Q_EXPORT QRangeControl
53 {
54 public:
55 QRangeControl();
56 QRangeControl( int minValue, int maxValue,
57 int lineStep, int pageStep, int value );
58 virtual ~QRangeControl();
59 int value() const;
60 void setValue( int );
61 void addPage();
62 void subtractPage();
63 void addLine();
64 void subtractLine();
65
66 int minValue() const;
67 int maxValue() const;
68 void setRange( int minValue, int maxValue );
69 void setMinValue( int minVal );
70 void setMaxValue( int minVal );
71
72 int lineStep() const;
73 int pageStep() const;
74 void setSteps( int line, int page );
75
76 int bound( int ) const;
77
78 protected:
79 int positionFromValue( int val, int space ) const;
80 int valueFromPosition( int pos, int space ) const;
81 void directSetValue( int val );
82 int prevValue() const;
83
84 virtual void valueChange();
85 virtual void rangeChange();
86 virtual void stepChange();
87
88 private:
89 int minVal, maxVal;
90 int line, page;
91 int val, prevVal;
92
93 QRangeControlPrivate * d;
94
95 private: // Disabled copy constructor and operator=
96 #if defined(Q_DISABLE_COPY)
97 QRangeControl( const QRangeControl & );
98 QRangeControl &operator=( const QRangeControl & );
99 #endif
100 };
101
102
value()103 inline int QRangeControl::value() const
104 { return val; }
105
prevValue()106 inline int QRangeControl::prevValue() const
107 { return prevVal; }
108
minValue()109 inline int QRangeControl::minValue() const
110 { return minVal; }
111
maxValue()112 inline int QRangeControl::maxValue() const
113 { return maxVal; }
114
lineStep()115 inline int QRangeControl::lineStep() const
116 { return line; }
117
pageStep()118 inline int QRangeControl::pageStep() const
119 { return page; }
120
121
122 #endif // QT_NO_RANGECONTROL
123
124 #ifndef QT_NO_SPINWIDGET
125
126 class QSpinWidgetPrivate;
127 class Q_EXPORT QSpinWidget : public QWidget
128 {
129 Q_OBJECT
130 public:
131 QSpinWidget( QWidget* parent=0, const char* name=0 );
132 ~QSpinWidget();
133
134 void setEditWidget( QWidget * widget );
135 QWidget * editWidget();
136
137 QRect upRect() const;
138 QRect downRect() const;
139
140 void setUpEnabled( bool on );
141 void setDownEnabled( bool on );
142
143 bool isUpEnabled() const;
144 bool isDownEnabled() const;
145
146 enum ButtonSymbols { UpDownArrows, PlusMinus };
147 virtual void setButtonSymbols( ButtonSymbols bs );
148 ButtonSymbols buttonSymbols() const;
149
150 void arrange();
151
152 signals:
153 void stepUpPressed();
154 void stepDownPressed();
155
156 public slots:
157 void stepUp();
158 void stepDown();
159
160 protected:
161 void mousePressEvent( QMouseEvent *e );
162 void resizeEvent( QResizeEvent* ev );
163 void mouseReleaseEvent( QMouseEvent *e );
164 void mouseMoveEvent( QMouseEvent *e );
165 #ifndef QT_NO_WHEELEVENT
166 void wheelEvent( QWheelEvent * );
167 #endif
168 void styleChange( QStyle& );
169 void paintEvent( QPaintEvent * );
170 void enableChanged( bool old );
171 void windowActivationChange( bool );
172
173 private slots:
174 void timerDone();
175 void timerDoneEx();
176
177 private:
178 QSpinWidgetPrivate * d;
179
180 void updateDisplay();
181
182 private: // Disabled copy constructor and operator=
183 #if defined(Q_DISABLE_COPY)
184 QSpinWidget( const QSpinWidget& );
185 QSpinWidget& operator=( const QSpinWidget& );
186 #endif
187 };
188
189 #endif // QT_NO_SPINWIDGET
190
191 #endif // QRANGECONTROL_H
192