qheaderview.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ** Qt for Windows(R) Licensees
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
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- ****************************************************************************/
- #ifndef QHEADERVIEW_H
- #define QHEADERVIEW_H
- #include <QtGui/qabstractitemview.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_ITEMVIEWS
- class QHeaderViewPrivate;
- class QStyleOptionHeader;
- class Q_GUI_EXPORT QHeaderView : public QAbstractItemView
- {
- Q_OBJECT
- Q_PROPERTY(bool showSortIndicator READ isSortIndicatorShown WRITE setSortIndicatorShown)
- Q_PROPERTY(bool highlightSections READ highlightSections WRITE setHighlightSections)
- Q_PROPERTY(bool stretchLastSection READ stretchLastSection WRITE setStretchLastSection)
- Q_PROPERTY(bool cascadingSectionResizes READ cascadingSectionResizes WRITE setCascadingSectionResizes)
- Q_PROPERTY(int defaultSectionSize READ defaultSectionSize WRITE setDefaultSectionSize)
- Q_PROPERTY(int minimumSectionSize READ minimumSectionSize WRITE setMinimumSectionSize)
- Q_PROPERTY(Qt::Alignment defaultAlignment READ defaultAlignment WRITE setDefaultAlignment)
- Q_ENUMS(ResizeMode)
- public:
- enum ResizeMode
- {
- Interactive,
- Stretch,
- Fixed,
- ResizeToContents,
- Custom = Fixed
- };
- explicit QHeaderView(Qt::Orientation orientation, QWidget *parent = 0);
- virtual ~QHeaderView();
- void setModel(QAbstractItemModel *model);
- Qt::Orientation orientation() const;
- int offset() const;
- int length() const;
- QSize sizeHint() const;
- int sectionSizeHint(int logicalIndex) const;
- int visualIndexAt(int position) const;
- int logicalIndexAt(int position) const;
- inline int logicalIndexAt(int x, int y) const;
- inline int logicalIndexAt(const QPoint &pos) const;
- int sectionSize(int logicalIndex) const;
- int sectionPosition(int logicalIndex) const;
- int sectionViewportPosition(int logicalIndex) const;
- void moveSection(int from, int to);
- void swapSections(int first, int second);
- void resizeSection(int logicalIndex, int size);
- void resizeSections(QHeaderView::ResizeMode mode);
- bool isSectionHidden(int logicalIndex) const;
- void setSectionHidden(int logicalIndex, bool hide);
- int hiddenSectionCount() const;
- inline void hideSection(int logicalIndex);
- inline void showSection(int logicalIndex);
- int count() const;
- int visualIndex(int logicalIndex) const;
- int logicalIndex(int visualIndex) const;
- void setMovable(bool movable);
- bool isMovable() const;
- void setClickable(bool clickable);
- bool isClickable() const;
- void setHighlightSections(bool highlight);
- bool highlightSections() const;
- void setResizeMode(ResizeMode mode);
- void setResizeMode(int logicalIndex, ResizeMode mode);
- ResizeMode resizeMode(int logicalIndex) const;
- int stretchSectionCount() const;
- void setSortIndicatorShown(bool show);
- bool isSortIndicatorShown() const;
- void setSortIndicator(int logicalIndex, Qt::SortOrder order);
- int sortIndicatorSection() const;
- Qt::SortOrder sortIndicatorOrder() const;
- bool stretchLastSection() const;
- void setStretchLastSection(bool stretch);
- bool cascadingSectionResizes() const;
- void setCascadingSectionResizes(bool enable);
- int defaultSectionSize() const;
- void setDefaultSectionSize(int size);
- int minimumSectionSize() const;
- void setMinimumSectionSize(int size);
- Qt::Alignment defaultAlignment() const;
- void setDefaultAlignment(Qt::Alignment alignment);
- void doItemsLayout();
- bool sectionsMoved() const;
- bool sectionsHidden() const;
- #ifndef QT_NO_DATASTREAM
- QByteArray saveState() const;
- bool restoreState(const QByteArray &state);
- #endif
- void reset();
- public Q_SLOTS:
- void setOffset(int offset);
- void setOffsetToSectionPosition(int visualIndex);
- void setOffsetToLastSection();
- void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);
- Q_SIGNALS:
- void sectionMoved(int logicalIndex, int oldVisualIndex, int newVisualIndex);
- void sectionResized(int logicalIndex, int oldSize, int newSize);
- void sectionPressed(int logicalIndex);
- void sectionClicked(int logicalIndex);
- void sectionEntered(int logicalIndex);
- void sectionDoubleClicked(int logicalIndex);
- void sectionCountChanged(int oldCount, int newCount);
- void sectionHandleDoubleClicked(int logicalIndex);
- void sectionAutoResize(int logicalIndex, QHeaderView::ResizeMode mode);
- void geometriesChanged();
- void sortIndicatorChanged(int logicalIndex, Qt::SortOrder order);
- protected Q_SLOTS:
- void updateSection(int logicalIndex);
- void resizeSections();
- void sectionsInserted(const QModelIndex &parent, int logicalFirst, int logicalLast);
- void sectionsAboutToBeRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast);
- protected:
- QHeaderView(QHeaderViewPrivate &dd, Qt::Orientation orientation, QWidget *parent = 0);
- void initialize();
- void initializeSections();
- void initializeSections(int start, int end);
- void currentChanged(const QModelIndex ¤t, const QModelIndex &old);
- bool event(QEvent *e);
- void paintEvent(QPaintEvent *e);
- void mousePressEvent(QMouseEvent *e);
- void mouseMoveEvent(QMouseEvent *e);
- void mouseReleaseEvent(QMouseEvent *e);
- void mouseDoubleClickEvent(QMouseEvent *e);
- bool viewportEvent(QEvent *e);
- virtual void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const;
- virtual QSize sectionSizeFromContents(int logicalIndex) const;
- int horizontalOffset() const;
- int verticalOffset() const;
- void updateGeometries();
- void scrollContentsBy(int dx, int dy);
- void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
- void rowsInserted(const QModelIndex &parent, int start, int end);
- QRect visualRect(const QModelIndex &index) const;
- void scrollTo(const QModelIndex &index, ScrollHint hint);
- QModelIndex indexAt(const QPoint &p) const;
- bool isIndexHidden(const QModelIndex &index) const;
- QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers);
- void setSelection(const QRect&, QItemSelectionModel::SelectionFlags);
- QRegion visualRegionForSelection(const QItemSelection &selection) const;
- void initStyleOption(QStyleOptionHeader *option) const;
- private:
- Q_PRIVATE_SLOT(d_func(), void _q_sectionsRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast))
- Q_PRIVATE_SLOT(d_func(), void _q_layoutAboutToBeChanged())
- Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
- Q_DECLARE_PRIVATE(QHeaderView)
- Q_DISABLE_COPY(QHeaderView)
- };
- inline int QHeaderView::logicalIndexAt(int ax, int ay) const
- { return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay); }
- inline int QHeaderView::logicalIndexAt(const QPoint &apos) const
- { return logicalIndexAt(apos.x(), apos.y()); }
- inline void QHeaderView::hideSection(int alogicalIndex)
- { setSectionHidden(alogicalIndex, true); }
- inline void QHeaderView::showSection(int alogicalIndex)
- { setSectionHidden(alogicalIndex, false); }
- #endif // QT_NO_ITEMVIEWS
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QHEADERVIEW_H