qcolumnview.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
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  15. ** information use the contact form at https://www.qt.io/contact-us.
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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
  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 QCOLUMNVIEW_H
  40. #define QCOLUMNVIEW_H
  41. #include <QtWidgets/qabstractitemview.h>
  42. QT_BEGIN_NAMESPACE
  43. #ifndef QT_NO_COLUMNVIEW
  44. class QColumnViewPrivate;
  45. class Q_WIDGETS_EXPORT QColumnView : public QAbstractItemView {
  46. Q_OBJECT
  47. Q_PROPERTY(bool resizeGripsVisible READ resizeGripsVisible WRITE setResizeGripsVisible)
  48. Q_SIGNALS:
  49. void updatePreviewWidget(const QModelIndex &index);
  50. public:
  51. explicit QColumnView(QWidget *parent = Q_NULLPTR);
  52. ~QColumnView();
  53. // QAbstractItemView overloads
  54. QModelIndex indexAt(const QPoint &point) const Q_DECL_OVERRIDE;
  55. void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) Q_DECL_OVERRIDE;
  56. QSize sizeHint() const Q_DECL_OVERRIDE;
  57. QRect visualRect(const QModelIndex &index) const Q_DECL_OVERRIDE;
  58. void setModel(QAbstractItemModel *model) Q_DECL_OVERRIDE;
  59. void setSelectionModel(QItemSelectionModel * selectionModel) Q_DECL_OVERRIDE;
  60. void setRootIndex(const QModelIndex &index) Q_DECL_OVERRIDE;
  61. void selectAll() Q_DECL_OVERRIDE;
  62. // QColumnView functions
  63. void setResizeGripsVisible(bool visible);
  64. bool resizeGripsVisible() const;
  65. QWidget *previewWidget() const;
  66. void setPreviewWidget(QWidget *widget);
  67. void setColumnWidths(const QList<int> &list);
  68. QList<int> columnWidths() const;
  69. protected:
  70. QColumnView(QColumnViewPrivate &dd, QWidget *parent = Q_NULLPTR);
  71. // QAbstractItemView overloads
  72. bool isIndexHidden(const QModelIndex &index) const Q_DECL_OVERRIDE;
  73. QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) Q_DECL_OVERRIDE;
  74. void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
  75. void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags command) Q_DECL_OVERRIDE;
  76. QRegion visualRegionForSelection(const QItemSelection &selection) const Q_DECL_OVERRIDE;
  77. int horizontalOffset() const Q_DECL_OVERRIDE;
  78. int verticalOffset() const Q_DECL_OVERRIDE;
  79. void rowsInserted(const QModelIndex &parent, int start, int end) Q_DECL_OVERRIDE;
  80. void currentChanged(const QModelIndex &current, const QModelIndex &previous) Q_DECL_OVERRIDE;
  81. // QColumnView functions
  82. void scrollContentsBy(int dx, int dy) Q_DECL_OVERRIDE;
  83. virtual QAbstractItemView* createColumn(const QModelIndex &rootIndex);
  84. void initializeColumn(QAbstractItemView *column) const;
  85. private:
  86. Q_DECLARE_PRIVATE(QColumnView)
  87. Q_DISABLE_COPY(QColumnView)
  88. Q_PRIVATE_SLOT(d_func(), void _q_gripMoved(int))
  89. Q_PRIVATE_SLOT(d_func(), void _q_changeCurrentColumn())
  90. Q_PRIVATE_SLOT(d_func(), void _q_clicked(const QModelIndex &))
  91. };
  92. #endif // QT_NO_COLUMNVIEW
  93. QT_END_NAMESPACE
  94. #endif // QCOLUMNVIEW_H