qrubberband.h 3.3 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697
  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 QRUBBERBAND_H
  40. #define QRUBBERBAND_H
  41. #include <QtWidgets/qwidget.h>
  42. QT_BEGIN_NAMESPACE
  43. #ifndef QT_NO_RUBBERBAND
  44. class QRubberBandPrivate;
  45. class QStyleOptionRubberBand;
  46. class Q_WIDGETS_EXPORT QRubberBand : public QWidget
  47. {
  48. Q_OBJECT
  49. public:
  50. enum Shape { Line, Rectangle };
  51. explicit QRubberBand(Shape, QWidget * = Q_NULLPTR);
  52. ~QRubberBand();
  53. Shape shape() const;
  54. void setGeometry(const QRect &r);
  55. inline void setGeometry(int x, int y, int w, int h);
  56. inline void move(int x, int y);
  57. inline void move(const QPoint &p)
  58. { move(p.x(), p.y()); }
  59. inline void resize(int w, int h)
  60. { setGeometry(geometry().x(), geometry().y(), w, h); }
  61. inline void resize(const QSize &s)
  62. { resize(s.width(), s.height()); }
  63. protected:
  64. bool event(QEvent *e) Q_DECL_OVERRIDE;
  65. void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
  66. void changeEvent(QEvent *) Q_DECL_OVERRIDE;
  67. void showEvent(QShowEvent *) Q_DECL_OVERRIDE;
  68. void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
  69. void moveEvent(QMoveEvent *) Q_DECL_OVERRIDE;
  70. void initStyleOption(QStyleOptionRubberBand *option) const;
  71. private:
  72. Q_DECLARE_PRIVATE(QRubberBand)
  73. };
  74. inline void QRubberBand::setGeometry(int ax, int ay, int aw, int ah)
  75. { setGeometry(QRect(ax, ay, aw, ah)); }
  76. inline void QRubberBand::move(int ax, int ay)
  77. { setGeometry(ax, ay, width(), height()); }
  78. #endif // QT_NO_RUBBERBAND
  79. QT_END_NAMESPACE
  80. #endif // QRUBBERBAND_H