qlcdnumber.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
00004 ** All rights reserved.
00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
00006 **
00007 ** This file is part of the QtGui module of the Qt Toolkit.
00008 **
00009 ** $QT_BEGIN_LICENSE:LGPL$
00010 ** Commercial Usage
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00012 ** accordance with the Qt Commercial License Agreement provided with the
00013 ** Software or, alternatively, in accordance with the terms contained in
00014 ** a written agreement between you and Nokia.
00015 **
00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
00018 ** General Public License version 2.1 as published by the Free Software
00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
00020 ** packaging of this file.  Please review the following information to
00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
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00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
00027 **
00028 ** GNU General Public License Usage
00029 ** Alternatively, this file may be used under the terms of the GNU
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00040 ****************************************************************************/
00041 
00042 #ifndef QLCDNUMBER_H
00043 #define QLCDNUMBER_H
00044 
00045 #include <QtGui/qframe.h>
00046 #include <QtCore/qbitarray.h>
00047 
00048 QT_BEGIN_HEADER
00049 
00050 QT_BEGIN_NAMESPACE
00051 
00052 QT_MODULE(Gui)
00053 
00054 #ifndef QT_NO_LCDNUMBER
00055 
00056 class QLCDNumberPrivate;
00057 class Q_GUI_EXPORT QLCDNumber : public QFrame // LCD number widget
00058 {
00059     Q_OBJECT
00060     Q_ENUMS(Mode SegmentStyle)
00061     Q_PROPERTY(bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint)
00062     Q_PROPERTY(int numDigits READ numDigits WRITE setNumDigits)
00063     Q_PROPERTY(int digitCount READ digitCount WRITE setDigitCount)
00064     Q_PROPERTY(Mode mode READ mode WRITE setMode)
00065     Q_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
00066     Q_PROPERTY(double value READ value WRITE display)
00067     Q_PROPERTY(int intValue READ intValue WRITE display)
00068 
00069 public:
00070     explicit QLCDNumber(QWidget* parent = 0);
00071     explicit QLCDNumber(uint numDigits, QWidget* parent = 0);
00072     ~QLCDNumber();
00073 
00074     enum Mode {
00075         Hex, Dec, Oct, Bin
00076 #if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)
00077         , HEX = Hex, DEC = Dec, OCT = Oct, BIN = Bin
00078 #endif
00079     };
00080     enum SegmentStyle {
00081         Outline, Filled, Flat
00082     };
00083 
00084     bool smallDecimalPoint() const;
00085 #ifdef QT_DEPRECATED
00086     QT_DEPRECATED int numDigits() const;
00087     QT_DEPRECATED void setNumDigits(int nDigits);
00088 #endif
00089     int digitCount() const;
00090     void setDigitCount(int nDigits);
00091 
00092     bool checkOverflow(double num) const;
00093     bool checkOverflow(int num) const;
00094 
00095     Mode mode() const;
00096     void setMode(Mode);
00097 
00098     SegmentStyle segmentStyle() const;
00099     void setSegmentStyle(SegmentStyle);
00100 
00101     double value() const;
00102     int intValue() const;
00103 
00104     QSize sizeHint() const;
00105 
00106 public Q_SLOTS:
00107     void display(const QString &str);
00108     void display(int num);
00109     void display(double num);
00110     void setHexMode();
00111     void setDecMode();
00112     void setOctMode();
00113     void setBinMode();
00114     void setSmallDecimalPoint(bool);
00115 
00116 Q_SIGNALS:
00117     void overflow();
00118 
00119 protected:
00120     bool event(QEvent *e);
00121     void paintEvent(QPaintEvent *);
00122 
00123 public:
00124 #ifdef QT3_SUPPORT
00125     QT3_SUPPORT_CONSTRUCTOR QLCDNumber(QWidget* parent, const char* name);
00126     QT3_SUPPORT_CONSTRUCTOR QLCDNumber(uint numDigits, QWidget* parent, const char* name);
00127     
00128     QT3_SUPPORT void setMargin(int margin) { setContentsMargins(margin, margin, margin, margin); }
00129     QT3_SUPPORT int margin() const 
00130     { int margin; int dummy; getContentsMargins(&margin, &dummy, &dummy, &dummy);  return margin; }    
00131 #endif
00132 
00133 private:
00134     Q_DISABLE_COPY(QLCDNumber)
00135     Q_DECLARE_PRIVATE(QLCDNumber)
00136 };
00137 
00138 #endif // QT_NO_LCDNUMBER
00139 
00140 QT_END_NAMESPACE
00141 
00142 QT_END_HEADER
00143 
00144 #endif // QLCDNUMBER_H