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39
40#ifndef QCOLUMNVIEW_H
41#define QCOLUMNVIEW_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qabstractitemview.h>
45
46QT_REQUIRE_CONFIG(columnview);
47
48QT_BEGIN_NAMESPACE
49
50class QColumnViewPrivate;
51
52class Q_WIDGETS_EXPORT QColumnView : public QAbstractItemView {
53
54Q_OBJECT
55 Q_PROPERTY(bool resizeGripsVisible READ resizeGripsVisible WRITE setResizeGripsVisible)
56
57Q_SIGNALS:
58 void updatePreviewWidget(const QModelIndex &index);
59
60public:
61 explicit QColumnView(QWidget *parent = nullptr);
62 ~QColumnView();
63
64 // QAbstractItemView overloads
65 QModelIndex indexAt(const QPoint &point) const override;
66 void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override;
67 QSize sizeHint() const override;
68 QRect visualRect(const QModelIndex &index) const override;
69 void setModel(QAbstractItemModel *model) override;
70 void setSelectionModel(QItemSelectionModel * selectionModel) override;
71 void setRootIndex(const QModelIndex &index) override;
72 void selectAll() override;
73
74 // QColumnView functions
75 void setResizeGripsVisible(bool visible);
76 bool resizeGripsVisible() const;
77
78 QWidget *previewWidget() const;
79 void setPreviewWidget(QWidget *widget);
80
81 void setColumnWidths(const QList<int> &list);
82 QList<int> columnWidths() const;
83
84protected:
85 QColumnView(QColumnViewPrivate &dd, QWidget *parent = nullptr);
86
87 // QAbstractItemView overloads
88 bool isIndexHidden(const QModelIndex &index) const override;
89 QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override;
90 void resizeEvent(QResizeEvent *event) override;
91 void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags command) override;
92 QRegion visualRegionForSelection(const QItemSelection &selection) const override;
93 int horizontalOffset() const override;
94 int verticalOffset() const override;
95 void rowsInserted(const QModelIndex &parent, int start, int end) override;
96 void currentChanged(const QModelIndex &current, const QModelIndex &previous) override;
97
98 // QColumnView functions
99 void scrollContentsBy(int dx, int dy) override;
100 virtual QAbstractItemView* createColumn(const QModelIndex &rootIndex);
101 void initializeColumn(QAbstractItemView *column) const;
102
103private:
104 Q_DECLARE_PRIVATE(QColumnView)
105 Q_DISABLE_COPY(QColumnView)
106 Q_PRIVATE_SLOT(d_func(), void _q_gripMoved(int))
107 Q_PRIVATE_SLOT(d_func(), void _q_changeCurrentColumn())
108 Q_PRIVATE_SLOT(d_func(), void _q_clicked(const QModelIndex &))
109};
110
111QT_END_NAMESPACE
112
113#endif // QCOLUMNVIEW_H
114
115