qcheckbox.h 3.1 KB

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  1. /****************************************************************************
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  3. ** Copyright (C) 2016 The Qt Company Ltd.
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  5. **
  6. ** This file is part of the QtWidgets module of the Qt Toolkit.
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  17. ** GNU Lesser General Public License Usage
  18. ** Alternatively, this file may be used under the terms of the GNU Lesser
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  20. ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  21. ** packaging of this file. Please review the following information to
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  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
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  31. ** included in the packaging of this file. Please review the following
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  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
  35. **
  36. ** $QT_END_LICENSE$
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  38. ****************************************************************************/
  39. #ifndef QCHECKBOX_H
  40. #define QCHECKBOX_H
  41. #include <QtWidgets/qabstractbutton.h>
  42. QT_BEGIN_NAMESPACE
  43. class QCheckBoxPrivate;
  44. class QStyleOptionButton;
  45. class Q_WIDGETS_EXPORT QCheckBox : public QAbstractButton
  46. {
  47. Q_OBJECT
  48. Q_PROPERTY(bool tristate READ isTristate WRITE setTristate)
  49. public:
  50. explicit QCheckBox(QWidget *parent = Q_NULLPTR);
  51. explicit QCheckBox(const QString &text, QWidget *parent = Q_NULLPTR);
  52. ~QCheckBox();
  53. QSize sizeHint() const Q_DECL_OVERRIDE;
  54. QSize minimumSizeHint() const Q_DECL_OVERRIDE;
  55. void setTristate(bool y = true);
  56. bool isTristate() const;
  57. Qt::CheckState checkState() const;
  58. void setCheckState(Qt::CheckState state);
  59. Q_SIGNALS:
  60. void stateChanged(int);
  61. protected:
  62. bool event(QEvent *e) Q_DECL_OVERRIDE;
  63. bool hitButton(const QPoint &pos) const Q_DECL_OVERRIDE;
  64. void checkStateSet() Q_DECL_OVERRIDE;
  65. void nextCheckState() Q_DECL_OVERRIDE;
  66. void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
  67. void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE;
  68. void initStyleOption(QStyleOptionButton *option) const;
  69. private:
  70. Q_DECLARE_PRIVATE(QCheckBox)
  71. Q_DISABLE_COPY(QCheckBox)
  72. friend class QAccessibleButton;
  73. };
  74. QT_END_NAMESPACE
  75. #endif // QCHECKBOX_H