include/QtWidgets/qcolumnview.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003
0004 #ifndef QCOLUMNVIEW_H
0005 #define QCOLUMNVIEW_H
0006
0007 #include <QtWidgets/qtwidgetsglobal.h>
0008 #include <QtWidgets/qabstractitemview.h>
0009
0010 QT_REQUIRE_CONFIG(columnview);
0011
0012 QT_BEGIN_NAMESPACE
0013
0014 class QColumnViewPrivate;
0015
0016 class Q_WIDGETS_EXPORT QColumnView : public QAbstractItemView {
0017
0018 Q_OBJECT
0019     Q_PROPERTY(bool resizeGripsVisible READ resizeGripsVisible WRITE setResizeGripsVisible)
0020
0021 Q_SIGNALS:
0022     void updatePreviewWidget(const QModelIndex &index);
0023
0024 public:
0025     explicit QColumnView(QWidget *parent = nullptr);
0026     ~QColumnView();
0027
0028     // QAbstractItemView overloads
0029     QModelIndex indexAt(const QPoint &point) const override;
0030     void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) override;
0031     QSize sizeHint() const override;
0032     QRect visualRect(const QModelIndex &index) const override;
0033     void setModel(QAbstractItemModel *model) override;
0034     void setSelectionModel(QItemSelectionModel * selectionModel) override;
0035     void setRootIndex(const QModelIndex &index) override;
0036     void selectAll() override;
0037
0038     // QColumnView functions
0039     void setResizeGripsVisible(bool visible);
0040     bool resizeGripsVisible() const;
0041
0042     QWidget *previewWidget() const;
0043     void setPreviewWidget(QWidget *widget);
0044
0045     void setColumnWidths(const QList<int> &list);
0046     QList<int> columnWidths() const;
0047
0048 protected:
0049     QColumnView(QColumnViewPrivate &dd, QWidget *parent = nullptr);
0050
0051     // QAbstractItemView overloads
0052     bool isIndexHidden(const QModelIndex &index) const override;
0053     QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override;
0054     void resizeEvent(QResizeEvent *event) override;
0055     void setSelection(const QRect & rect, QItemSelectionModel::SelectionFlags command) override;
0056     QRegion visualRegionForSelection(const QItemSelection &selection) const override;
0057     int horizontalOffset() const override;
0058     int verticalOffset() const override;
0059     void rowsInserted(const QModelIndex &parent, int start, int end) override;
0060     void currentChanged(const QModelIndex &current, const QModelIndex &previous) override;
0061
0062     // QColumnView functions
0063     void scrollContentsBy(int dx, int dy) override;
0064     virtual QAbstractItemView* createColumn(const QModelIndex &rootIndex);
0065     void initializeColumn(QAbstractItemView *column) const;
0066
0067 private:
0068     Q_DECLARE_PRIVATE(QColumnView)
0069     Q_DISABLE_COPY(QColumnView)
0070 };
0071
0072 QT_END_NAMESPACE
0073
0074 #endif // QCOLUMNVIEW_H
0075