button.cpp 2.9 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
  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 examples of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:BSD$
  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. ** BSD License Usage
  18. ** Alternatively, you may use this file under the terms of the BSD license
  19. ** as follows:
  20. **
  21. ** "Redistribution and use in source and binary forms, with or without
  22. ** modification, are permitted provided that the following conditions are
  23. ** met:
  24. ** * Redistributions of source code must retain the above copyright
  25. ** notice, this list of conditions and the following disclaimer.
  26. ** * Redistributions in binary form must reproduce the above copyright
  27. ** notice, this list of conditions and the following disclaimer in
  28. ** the documentation and/or other materials provided with the
  29. ** distribution.
  30. ** * Neither the name of The Qt Company Ltd nor the names of its
  31. ** contributors may be used to endorse or promote products derived
  32. ** from this software without specific prior written permission.
  33. **
  34. **
  35. ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  36. ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  37. ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  38. ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  39. ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40. ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  41. ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  42. ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  43. ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  44. ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  45. ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  46. **
  47. ** $QT_END_LICENSE$
  48. **
  49. ****************************************************************************/
  50. #include <QtWidgets>
  51. #include "button.h"
  52. //! [0]
  53. Button::Button(const QString &text, QWidget *parent)
  54. : QToolButton(parent)
  55. {
  56. setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
  57. setText(text);
  58. }
  59. //! [0]
  60. //! [1]
  61. QSize Button::sizeHint() const
  62. //! [1] //! [2]
  63. {
  64. QSize size = QToolButton::sizeHint();
  65. size.rheight() += 20;
  66. size.rwidth() = qMax(size.width(), size.height());
  67. return size;
  68. }
  69. //! [2]