1 | /****************************************************************************
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2 | ** $Id: qlcdnumber.h 2 2005-11-16 15:49:26Z dmik $
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3 | **
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4 | ** Definition of QLCDNumber class
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5 | **
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6 | ** Created : 940518
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7 | **
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8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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9 | **
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10 | ** This file is part of the widgets module of the Qt GUI Toolkit.
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11 | **
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12 | ** This file may be distributed under the terms of the Q Public License
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13 | ** as defined by Trolltech AS of Norway and appearing in the file
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14 | ** LICENSE.QPL included in the packaging of this file.
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15 | **
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16 | ** This file may be distributed and/or modified under the terms of the
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17 | ** GNU General Public License version 2 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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19 | ** packaging of this file.
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20 | **
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21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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22 | ** licenses may use this file in accordance with the Qt Commercial License
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23 | ** Agreement provided with the Software.
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24 | **
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25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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27 | **
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28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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29 | ** information about Qt Commercial License Agreements.
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30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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32 | **
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33 | ** Contact info@trolltech.com if any conditions of this licensing are
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34 | ** not clear to you.
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35 | **
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36 | **********************************************************************/
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37 |
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38 | #ifndef QLCDNUMBER_H
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39 | #define QLCDNUMBER_H
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40 |
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41 | #ifndef QT_H
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42 | #include "qframe.h"
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43 | #include "qbitarray.h"
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44 | #endif // QT_H
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45 |
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46 | #ifndef QT_NO_LCDNUMBER
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47 |
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48 |
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49 | class QLCDNumberPrivate;
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50 |
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51 | class Q_EXPORT QLCDNumber : public QFrame // LCD number widget
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52 | {
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53 | Q_OBJECT
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54 | Q_ENUMS( Mode SegmentStyle )
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55 | Q_PROPERTY( bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint )
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56 | Q_PROPERTY( int numDigits READ numDigits WRITE setNumDigits )
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57 | Q_PROPERTY( Mode mode READ mode WRITE setMode )
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58 | Q_PROPERTY( SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle )
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59 | Q_PROPERTY( double value READ value WRITE display )
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60 | Q_PROPERTY( int intValue READ intValue WRITE display )
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61 |
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62 | public:
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63 | QLCDNumber( QWidget* parent=0, const char* name=0 );
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64 | QLCDNumber( uint numDigits, QWidget* parent=0, const char* name=0 );
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65 | ~QLCDNumber();
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66 |
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67 | enum Mode { Hex, Dec, Oct, Bin, HEX = Hex, DEC = Dec, OCT = Oct,
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68 | BIN = Bin };
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69 | enum SegmentStyle { Outline, Filled, Flat };
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70 |
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71 | bool smallDecimalPoint() const;
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72 |
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73 | int numDigits() const;
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74 | virtual void setNumDigits( int nDigits );
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75 |
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76 | bool checkOverflow( double num ) const;
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77 | bool checkOverflow( int num ) const;
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78 |
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79 | Mode mode() const;
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80 | virtual void setMode( Mode );
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81 |
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82 | SegmentStyle segmentStyle() const;
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83 | virtual void setSegmentStyle( SegmentStyle );
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84 |
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85 | double value() const;
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86 | int intValue() const;
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87 |
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88 | QSize sizeHint() const;
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89 |
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90 | public slots:
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91 | void display( const QString &str );
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92 | void display( int num );
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93 | void display( double num );
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94 | virtual void setHexMode();
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95 | virtual void setDecMode();
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96 | virtual void setOctMode();
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97 | virtual void setBinMode();
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98 | virtual void setSmallDecimalPoint( bool );
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99 |
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100 | signals:
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101 | void overflow();
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102 |
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103 | protected:
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104 | void drawContents( QPainter * );
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105 |
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106 | private:
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107 | void init();
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108 | void internalDisplay( const QString &);
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109 | void internalSetString( const QString& s );
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110 | void drawString( const QString& s, QPainter &, QBitArray * = 0,
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111 | bool = TRUE );
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112 | //void drawString( const QString &, QPainter &, QBitArray * = 0 ) const;
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113 | void drawDigit( const QPoint &, QPainter &, int, char,
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114 | char = ' ' );
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115 | void drawSegment( const QPoint &, char, QPainter &, int, bool = FALSE );
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116 |
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117 | int ndigits;
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118 | double val;
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119 | uint base : 2;
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120 | uint smallPoint : 1;
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121 | uint fill : 1;
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122 | uint shadow : 1;
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123 | QString digitStr;
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124 | QBitArray points;
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125 | QLCDNumberPrivate * d;
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126 |
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127 | private: // Disabled copy constructor and operator=
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128 | #if defined(Q_DISABLE_COPY)
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129 | QLCDNumber( const QLCDNumber & );
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130 | QLCDNumber &operator=( const QLCDNumber & );
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131 | #endif
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132 | };
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133 |
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134 | inline bool QLCDNumber::smallDecimalPoint() const
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135 | { return (bool)smallPoint; }
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136 |
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137 | inline int QLCDNumber::numDigits() const
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138 | { return ndigits; }
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139 |
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140 |
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141 | #endif // QT_NO_LCDNUMBER
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142 |
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143 | #endif // QLCDNUMBER_H
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