qboxlayout.h 4.5 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 QBOXLAYOUT_H
  40. #define QBOXLAYOUT_H
  41. #include <QtWidgets/qlayout.h>
  42. #ifdef QT_INCLUDE_COMPAT
  43. #include <QtWidgets/qwidget.h>
  44. #endif
  45. #include <limits.h>
  46. QT_BEGIN_NAMESPACE
  47. class QBoxLayoutPrivate;
  48. class Q_WIDGETS_EXPORT QBoxLayout : public QLayout
  49. {
  50. Q_OBJECT
  51. Q_DECLARE_PRIVATE(QBoxLayout)
  52. public:
  53. enum Direction { LeftToRight, RightToLeft, TopToBottom, BottomToTop,
  54. Down = TopToBottom, Up = BottomToTop };
  55. explicit QBoxLayout(Direction, QWidget *parent = Q_NULLPTR);
  56. ~QBoxLayout();
  57. Direction direction() const;
  58. void setDirection(Direction);
  59. void addSpacing(int size);
  60. void addStretch(int stretch = 0);
  61. void addSpacerItem(QSpacerItem *spacerItem);
  62. void addWidget(QWidget *, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
  63. void addLayout(QLayout *layout, int stretch = 0);
  64. void addStrut(int);
  65. void addItem(QLayoutItem *) Q_DECL_OVERRIDE;
  66. void insertSpacing(int index, int size);
  67. void insertStretch(int index, int stretch = 0);
  68. void insertSpacerItem(int index, QSpacerItem *spacerItem);
  69. void insertWidget(int index, QWidget *widget, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
  70. void insertLayout(int index, QLayout *layout, int stretch = 0);
  71. void insertItem(int index, QLayoutItem *);
  72. int spacing() const;
  73. void setSpacing(int spacing);
  74. bool setStretchFactor(QWidget *w, int stretch);
  75. bool setStretchFactor(QLayout *l, int stretch);
  76. void setStretch(int index, int stretch);
  77. int stretch(int index) const;
  78. QSize sizeHint() const Q_DECL_OVERRIDE;
  79. QSize minimumSize() const Q_DECL_OVERRIDE;
  80. QSize maximumSize() const Q_DECL_OVERRIDE;
  81. bool hasHeightForWidth() const Q_DECL_OVERRIDE;
  82. int heightForWidth(int) const Q_DECL_OVERRIDE;
  83. int minimumHeightForWidth(int) const Q_DECL_OVERRIDE;
  84. Qt::Orientations expandingDirections() const Q_DECL_OVERRIDE;
  85. void invalidate() Q_DECL_OVERRIDE;
  86. QLayoutItem *itemAt(int) const Q_DECL_OVERRIDE;
  87. QLayoutItem *takeAt(int) Q_DECL_OVERRIDE;
  88. int count() const Q_DECL_OVERRIDE;
  89. void setGeometry(const QRect&) Q_DECL_OVERRIDE;
  90. private:
  91. Q_DISABLE_COPY(QBoxLayout)
  92. };
  93. class Q_WIDGETS_EXPORT QHBoxLayout : public QBoxLayout
  94. {
  95. Q_OBJECT
  96. public:
  97. QHBoxLayout();
  98. explicit QHBoxLayout(QWidget *parent);
  99. ~QHBoxLayout();
  100. private:
  101. Q_DISABLE_COPY(QHBoxLayout)
  102. };
  103. class Q_WIDGETS_EXPORT QVBoxLayout : public QBoxLayout
  104. {
  105. Q_OBJECT
  106. public:
  107. QVBoxLayout();
  108. explicit QVBoxLayout(QWidget *parent);
  109. ~QVBoxLayout();
  110. private:
  111. Q_DISABLE_COPY(QVBoxLayout)
  112. };
  113. QT_END_NAMESPACE
  114. #endif // QBOXLAYOUT_H