include/QtWidgets/qlcdnumber.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003 // Qt-Security score:significant reason:default
0004
0005 #ifndef QLCDNUMBER_H
0006 #define QLCDNUMBER_H
0007
0008 #include <QtWidgets/qtwidgetsglobal.h>
0009 #include <QtWidgets/qframe.h>
0010
0011 QT_BEGIN_NAMESPACE
0012
0013 QT_REQUIRE_CONFIG(lcdnumber);
0014
0015 class QLCDNumberPrivate;
0016 class Q_WIDGETS_EXPORT QLCDNumber : public QFrame // LCD number widget
0017 {
0018     Q_OBJECT
0019     Q_PROPERTY(bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint)
0020     Q_PROPERTY(int digitCount READ digitCount WRITE setDigitCount)
0021     Q_PROPERTY(Mode mode READ mode WRITE setMode)
0022     Q_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
0023     Q_PROPERTY(double value READ value WRITE display)
0024     Q_PROPERTY(int intValue READ intValue WRITE display)
0025
0026 public:
0027     explicit QLCDNumber(QWidget* parent = nullptr);
0028     explicit QLCDNumber(uint numDigits, QWidget* parent = nullptr);
0029     ~QLCDNumber();
0030
0031     enum Mode {
0032         Hex, Dec, Oct, Bin
0033     };
0034     Q_ENUM(Mode)
0035     enum SegmentStyle {
0036         Outline, Filled, Flat
0037     };
0038     Q_ENUM(SegmentStyle)
0039
0040     bool smallDecimalPoint() const;
0041     int digitCount() const;
0042     void setDigitCount(int nDigits);
0043
0044     bool checkOverflow(double num) const;
0045     bool checkOverflow(int num) const;
0046
0047     Mode mode() const;
0048     void setMode(Mode);
0049
0050     SegmentStyle segmentStyle() const;
0051     void setSegmentStyle(SegmentStyle);
0052
0053     double value() const;
0054     int intValue() const;
0055
0056     QSize sizeHint() const override;
0057
0058 public Q_SLOTS:
0059     void display(const QString &str);
0060     void display(int num);
0061     void display(double num);
0062     void setHexMode();
0063     void setDecMode();
0064     void setOctMode();
0065     void setBinMode();
0066     void setSmallDecimalPoint(bool);
0067
0068 Q_SIGNALS:
0069     void overflow();
0070
0071 protected:
0072     bool event(QEvent *e) override;
0073     void paintEvent(QPaintEvent *) override;
0074
0075 public:
0076
0077 private:
0078     Q_DISABLE_COPY(QLCDNumber)
0079     Q_DECLARE_PRIVATE(QLCDNumber)
0080 };
0081
0082 QT_END_NAMESPACE
0083
0084 #endif // QLCDNUMBER_H