qlcdnumber.h 3.7 KB

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  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. #ifndef QLCDNUMBER_H
  40. #define QLCDNUMBER_H
  41. #include <QtWidgets/qframe.h>
  42. QT_BEGIN_NAMESPACE
  43. #ifndef QT_NO_LCDNUMBER
  44. class QLCDNumberPrivate;
  45. class Q_WIDGETS_EXPORT QLCDNumber : public QFrame // LCD number widget
  46. {
  47. Q_OBJECT
  48. Q_PROPERTY(bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint)
  49. Q_PROPERTY(int digitCount READ digitCount WRITE setDigitCount)
  50. Q_PROPERTY(Mode mode READ mode WRITE setMode)
  51. Q_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
  52. Q_PROPERTY(double value READ value WRITE display)
  53. Q_PROPERTY(int intValue READ intValue WRITE display)
  54. public:
  55. explicit QLCDNumber(QWidget* parent = Q_NULLPTR);
  56. explicit QLCDNumber(uint numDigits, QWidget* parent = Q_NULLPTR);
  57. ~QLCDNumber();
  58. enum Mode {
  59. Hex, Dec, Oct, Bin
  60. };
  61. Q_ENUM(Mode)
  62. enum SegmentStyle {
  63. Outline, Filled, Flat
  64. };
  65. Q_ENUM(SegmentStyle)
  66. bool smallDecimalPoint() const;
  67. int digitCount() const;
  68. void setDigitCount(int nDigits);
  69. bool checkOverflow(double num) const;
  70. bool checkOverflow(int num) const;
  71. Mode mode() const;
  72. void setMode(Mode);
  73. SegmentStyle segmentStyle() const;
  74. void setSegmentStyle(SegmentStyle);
  75. double value() const;
  76. int intValue() const;
  77. QSize sizeHint() const Q_DECL_OVERRIDE;
  78. public Q_SLOTS:
  79. void display(const QString &str);
  80. void display(int num);
  81. void display(double num);
  82. void setHexMode();
  83. void setDecMode();
  84. void setOctMode();
  85. void setBinMode();
  86. void setSmallDecimalPoint(bool);
  87. Q_SIGNALS:
  88. void overflow();
  89. protected:
  90. bool event(QEvent *e) Q_DECL_OVERRIDE;
  91. void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
  92. public:
  93. private:
  94. Q_DISABLE_COPY(QLCDNumber)
  95. Q_DECLARE_PRIVATE(QLCDNumber)
  96. };
  97. #endif // QT_NO_LCDNUMBER
  98. QT_END_NAMESPACE
  99. #endif // QLCDNUMBER_H