1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtWidgets module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QLCDNUMBER_H 41 #define QLCDNUMBER_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qframe.h> 45 46 QT_BEGIN_NAMESPACE 47 48 QT_REQUIRE_CONFIG(lcdnumber); 49 50 class QLCDNumberPrivate; 51 class Q_WIDGETS_EXPORT QLCDNumber : public QFrame // LCD number widget 52 { 53 Q_OBJECT 54 Q_PROPERTY(bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint) 55 Q_PROPERTY(int digitCount READ digitCount WRITE setDigitCount) 56 Q_PROPERTY(Mode mode READ mode WRITE setMode) 57 Q_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle) 58 Q_PROPERTY(double value READ value WRITE display) 59 Q_PROPERTY(int intValue READ intValue WRITE display) 60 61 public: 62 explicit QLCDNumber(QWidget* parent = nullptr); 63 explicit QLCDNumber(uint numDigits, QWidget* parent = nullptr); 64 ~QLCDNumber(); 65 66 enum Mode { 67 Hex, Dec, Oct, Bin 68 }; 69 Q_ENUM(Mode) 70 enum SegmentStyle { 71 Outline, Filled, Flat 72 }; 73 Q_ENUM(SegmentStyle) 74 75 bool smallDecimalPoint() const; 76 int digitCount() const; 77 void setDigitCount(int nDigits); 78 79 bool checkOverflow(double num) const; 80 bool checkOverflow(int num) const; 81 82 Mode mode() const; 83 void setMode(Mode); 84 85 SegmentStyle segmentStyle() const; 86 void setSegmentStyle(SegmentStyle); 87 88 double value() const; 89 int intValue() const; 90 91 QSize sizeHint() const override; 92 93 public Q_SLOTS: 94 void display(const QString &str); 95 void display(int num); 96 void display(double num); 97 void setHexMode(); 98 void setDecMode(); 99 void setOctMode(); 100 void setBinMode(); 101 void setSmallDecimalPoint(bool); 102 103 Q_SIGNALS: 104 void overflow(); 105 106 protected: 107 bool event(QEvent *e) override; 108 void paintEvent(QPaintEvent *) override; 109 110 public: 111 112 private: 113 Q_DISABLE_COPY(QLCDNumber) 114 Q_DECLARE_PRIVATE(QLCDNumber) 115 }; 116 117 QT_END_NAMESPACE 118 119 #endif // QLCDNUMBER_H 120