qstackedlayout.h 3.6 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
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  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
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  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 QSTACKEDLAYOUT_H
  40. #define QSTACKEDLAYOUT_H
  41. #include <QtWidgets/qlayout.h>
  42. QT_BEGIN_NAMESPACE
  43. class QStackedLayoutPrivate;
  44. class Q_WIDGETS_EXPORT QStackedLayout : public QLayout
  45. {
  46. Q_OBJECT
  47. Q_DECLARE_PRIVATE(QStackedLayout)
  48. Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
  49. Q_PROPERTY(StackingMode stackingMode READ stackingMode WRITE setStackingMode)
  50. QDOC_PROPERTY(int count READ count)
  51. public:
  52. enum StackingMode {
  53. StackOne,
  54. StackAll
  55. };
  56. Q_ENUM(StackingMode)
  57. QStackedLayout();
  58. explicit QStackedLayout(QWidget *parent);
  59. explicit QStackedLayout(QLayout *parentLayout);
  60. ~QStackedLayout();
  61. int addWidget(QWidget *w);
  62. int insertWidget(int index, QWidget *w);
  63. QWidget *currentWidget() const;
  64. int currentIndex() const;
  65. using QLayout::widget;
  66. QWidget *widget(int) const;
  67. int count() const Q_DECL_OVERRIDE;
  68. StackingMode stackingMode() const;
  69. void setStackingMode(StackingMode stackingMode);
  70. // abstract virtual functions:
  71. void addItem(QLayoutItem *item) Q_DECL_OVERRIDE;
  72. QSize sizeHint() const Q_DECL_OVERRIDE;
  73. QSize minimumSize() const Q_DECL_OVERRIDE;
  74. QLayoutItem *itemAt(int) const Q_DECL_OVERRIDE;
  75. QLayoutItem *takeAt(int) Q_DECL_OVERRIDE;
  76. void setGeometry(const QRect &rect) Q_DECL_OVERRIDE;
  77. bool hasHeightForWidth() const Q_DECL_OVERRIDE;
  78. int heightForWidth(int width) const Q_DECL_OVERRIDE;
  79. Q_SIGNALS:
  80. void widgetRemoved(int index);
  81. void currentChanged(int index);
  82. public Q_SLOTS:
  83. void setCurrentIndex(int index);
  84. void setCurrentWidget(QWidget *w);
  85. private:
  86. Q_DISABLE_COPY(QStackedLayout)
  87. };
  88. QT_END_NAMESPACE
  89. #endif // QSTACKEDLAYOUT_H