qtreewidget.h
上传用户:detong
上传日期:2022-06-22
资源大小:20675k
文件大小:17k
- /****************************************************************************
- **
- ** 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.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** 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.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #ifndef QTREEWIDGET_H
- #define QTREEWIDGET_H
- #include <QtGui/qtreeview.h>
- #include <QtGui/qtreewidgetitemiterator.h>
- #include <QtCore/qvariant.h>
- #include <QtCore/qvector.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_TREEWIDGET
- class QTreeWidget;
- class QTreeModel;
- class QWidgetItemData;
- class QTreeWidgetItemPrivate;
- class Q_GUI_EXPORT QTreeWidgetItem
- {
- friend class QTreeModel;
- friend class QTreeWidget;
- friend class QTreeWidgetPrivate;
- friend class QTreeWidgetItemIterator;
- friend class QTreeWidgetItemPrivate;
- public:
- enum ItemType { Type = 0, UserType = 1000 };
- QTreeWidgetItem(int type = Type);
- QTreeWidgetItem(const QStringList &strings, int type = Type);
- explicit QTreeWidgetItem(QTreeWidget *view, int type = Type);
- QTreeWidgetItem(QTreeWidget *view, const QStringList &strings, int type = Type);
- QTreeWidgetItem(QTreeWidget *view, QTreeWidgetItem *after, int type = Type);
- explicit QTreeWidgetItem(QTreeWidgetItem *parent, int type = Type);
- QTreeWidgetItem(QTreeWidgetItem *parent, const QStringList &strings, int type = Type);
- QTreeWidgetItem(QTreeWidgetItem *parent, QTreeWidgetItem *after, int type = Type);
- QTreeWidgetItem(const QTreeWidgetItem &other);
- virtual ~QTreeWidgetItem();
- virtual QTreeWidgetItem *clone() const;
- inline QTreeWidget *treeWidget() const { return view; }
- inline void setSelected(bool select);
- inline bool isSelected() const;
- inline void setHidden(bool hide);
- inline bool isHidden() const;
- inline void setExpanded(bool expand);
- inline bool isExpanded() const;
- inline void setFirstColumnSpanned(bool span);
- inline bool isFirstColumnSpanned() const;
- inline void setDisabled(bool disabled);
- inline bool isDisabled() const;
- enum ChildIndicatorPolicy { ShowIndicator, DontShowIndicator, DontShowIndicatorWhenChildless };
- void setChildIndicatorPolicy(QTreeWidgetItem::ChildIndicatorPolicy policy);
- QTreeWidgetItem::ChildIndicatorPolicy childIndicatorPolicy() const;
- Qt::ItemFlags flags() const;
- void setFlags(Qt::ItemFlags flags);
- inline QString text(int column) const
- { return data(column, Qt::DisplayRole).toString(); }
- inline void setText(int column, const QString &text);
- inline QIcon icon(int column) const
- { return qvariant_cast<QIcon>(data(column, Qt::DecorationRole)); }
- inline void setIcon(int column, const QIcon &icon);
- inline QString statusTip(int column) const
- { return data(column, Qt::StatusTipRole).toString(); }
- inline void setStatusTip(int column, const QString &statusTip);
- #ifndef QT_NO_TOOLTIP
- inline QString toolTip(int column) const
- { return data(column, Qt::ToolTipRole).toString(); }
- inline void setToolTip(int column, const QString &toolTip);
- #endif
- #ifndef QT_NO_WHATSTHIS
- inline QString whatsThis(int column) const
- { return data(column, Qt::WhatsThisRole).toString(); }
- inline void setWhatsThis(int column, const QString &whatsThis);
- #endif
- inline QFont font(int column) const
- { return qvariant_cast<QFont>(data(column, Qt::FontRole)); }
- inline void setFont(int column, const QFont &font);
- inline int textAlignment(int column) const
- { return data(column, Qt::TextAlignmentRole).toInt(); }
- inline void setTextAlignment(int column, int alignment)
- { setData(column, Qt::TextAlignmentRole, alignment); }
- inline QColor backgroundColor(int column) const
- { return qvariant_cast<QColor>(data(column, Qt::BackgroundColorRole)); }
- inline void setBackgroundColor(int column, const QColor &color)
- { setData(column, Qt::BackgroundColorRole, color); }
- inline QBrush background(int column) const
- { return qvariant_cast<QBrush>(data(column, Qt::BackgroundRole)); }
- inline void setBackground(int column, const QBrush &brush)
- { setData(column, Qt::BackgroundRole, brush); }
- inline QColor textColor(int column) const
- { return qvariant_cast<QColor>(data(column, Qt::TextColorRole)); }
- inline void setTextColor(int column, const QColor &color)
- { setData(column, Qt::TextColorRole, color); }
- inline QBrush foreground(int column) const
- { return qvariant_cast<QBrush>(data(column, Qt::ForegroundRole)); }
- inline void setForeground(int column, const QBrush &brush)
- { setData(column, Qt::ForegroundRole, brush); }
- inline Qt::CheckState checkState(int column) const
- { return static_cast<Qt::CheckState>(data(column, Qt::CheckStateRole).toInt()); }
- inline void setCheckState(int column, Qt::CheckState state)
- { setData(column, Qt::CheckStateRole, state); }
- inline QSize sizeHint(int column) const
- { return qvariant_cast<QSize>(data(column, Qt::SizeHintRole)); }
- inline void setSizeHint(int column, const QSize &size)
- { setData(column, Qt::SizeHintRole, size); }
- virtual QVariant data(int column, int role) const;
- virtual void setData(int column, int role, const QVariant &value);
- virtual bool operator<(const QTreeWidgetItem &other) const;
- #ifndef QT_NO_DATASTREAM
- virtual void read(QDataStream &in);
- virtual void write(QDataStream &out) const;
- #endif
- QTreeWidgetItem &operator=(const QTreeWidgetItem &other);
- inline QTreeWidgetItem *parent() const { return par; }
- inline QTreeWidgetItem *child(int index) const {
- if (index < 0 || index >= children.size())
- return 0;
- return children.at(index);
- }
- inline int childCount() const { return children.count(); }
- inline int columnCount() const { return values.count(); }
- inline int indexOfChild(QTreeWidgetItem *child) const;
- void addChild(QTreeWidgetItem *child);
- void insertChild(int index, QTreeWidgetItem *child);
- void removeChild(QTreeWidgetItem *child);
- QTreeWidgetItem *takeChild(int index);
- void addChildren(const QList<QTreeWidgetItem*> &children);
- void insertChildren(int index, const QList<QTreeWidgetItem*> &children);
- QList<QTreeWidgetItem*> takeChildren();
- inline int type() const { return rtti; }
- inline void sortChildren(int column, Qt::SortOrder order)
- { sortChildren(column, order, false); }
- private:
- void sortChildren(int column, Qt::SortOrder order, bool climb);
- QVariant childrenCheckState(int column) const;
- void itemChanged();
- void executePendingSort() const;
- int rtti;
- // One item has a vector of column entries. Each column has a vector of (role, value) pairs.
- QVector< QVector<QWidgetItemData> > values;
- QTreeWidget *view;
- QTreeWidgetItemPrivate *d;
- QTreeWidgetItem *par;
- QList<QTreeWidgetItem*> children;
- Qt::ItemFlags itemFlags;
- };
- inline void QTreeWidgetItem::setText(int column, const QString &atext)
- { setData(column, Qt::DisplayRole, atext); }
- inline void QTreeWidgetItem::setIcon(int column, const QIcon &aicon)
- { setData(column, Qt::DecorationRole, aicon); }
- #ifndef QT_NO_STATUSTIP
- inline void QTreeWidgetItem::setStatusTip(int column, const QString &astatusTip)
- { setData(column, Qt::StatusTipRole, astatusTip); }
- #endif
- #ifndef QT_NO_TOOLTIP
- inline void QTreeWidgetItem::setToolTip(int column, const QString &atoolTip)
- { setData(column, Qt::ToolTipRole, atoolTip); }
- #endif
- #ifndef QT_NO_WHATSTHIS
- inline void QTreeWidgetItem::setWhatsThis(int column, const QString &awhatsThis)
- { setData(column, Qt::WhatsThisRole, awhatsThis); }
- #endif
- inline void QTreeWidgetItem::setFont(int column, const QFont &afont)
- { setData(column, Qt::FontRole, afont); }
- inline int QTreeWidgetItem::indexOfChild(QTreeWidgetItem *achild) const
- { (void)const_cast<QTreeWidgetItem*>(this)->takeChild(-1); return children.indexOf(achild); }
- #ifndef QT_NO_DATASTREAM
- Q_GUI_EXPORT QDataStream &operator<<(QDataStream &out, const QTreeWidgetItem &item);
- Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QTreeWidgetItem &item);
- #endif
- class QTreeWidgetPrivate;
- class Q_GUI_EXPORT QTreeWidget : public QTreeView
- {
- Q_OBJECT
- Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount)
- Q_PROPERTY(int topLevelItemCount READ topLevelItemCount)
- friend class QTreeModel;
- public:
- explicit QTreeWidget(QWidget *parent = 0);
- ~QTreeWidget();
- int columnCount() const;
- void setColumnCount(int columns);
- QTreeWidgetItem *invisibleRootItem() const;
- QTreeWidgetItem *topLevelItem(int index) const;
- int topLevelItemCount() const;
- void insertTopLevelItem(int index, QTreeWidgetItem *item);
- void addTopLevelItem(QTreeWidgetItem *item);
- QTreeWidgetItem *takeTopLevelItem(int index);
- int indexOfTopLevelItem(QTreeWidgetItem *item); // ### Qt 5: remove me
- int indexOfTopLevelItem(QTreeWidgetItem *item) const;
- void insertTopLevelItems(int index, const QList<QTreeWidgetItem*> &items);
- void addTopLevelItems(const QList<QTreeWidgetItem*> &items);
- QTreeWidgetItem *headerItem() const;
- void setHeaderItem(QTreeWidgetItem *item);
- void setHeaderLabels(const QStringList &labels);
- inline void setHeaderLabel(const QString &label);
- QTreeWidgetItem *currentItem() const;
- int currentColumn() const;
- void setCurrentItem(QTreeWidgetItem *item);
- void setCurrentItem(QTreeWidgetItem *item, int column);
- void setCurrentItem(QTreeWidgetItem *item, int column, QItemSelectionModel::SelectionFlags command);
- QTreeWidgetItem *itemAt(const QPoint &p) const;
- inline QTreeWidgetItem *itemAt(int x, int y) const;
- QRect visualItemRect(const QTreeWidgetItem *item) const;
- int sortColumn() const;
- void sortItems(int column, Qt::SortOrder order);
- void setSortingEnabled(bool enable);
- bool isSortingEnabled() const;
- void editItem(QTreeWidgetItem *item, int column = 0);
- void openPersistentEditor(QTreeWidgetItem *item, int column = 0);
- void closePersistentEditor(QTreeWidgetItem *item, int column = 0);
- QWidget *itemWidget(QTreeWidgetItem *item, int column) const;
- void setItemWidget(QTreeWidgetItem *item, int column, QWidget *widget);
- inline void removeItemWidget(QTreeWidgetItem *item, int column);
- bool isItemSelected(const QTreeWidgetItem *item) const;
- void setItemSelected(const QTreeWidgetItem *item, bool select);
- QList<QTreeWidgetItem*> selectedItems() const;
- QList<QTreeWidgetItem*> findItems(const QString &text, Qt::MatchFlags flags,
- int column = 0) const;
- bool isItemHidden(const QTreeWidgetItem *item) const;
- void setItemHidden(const QTreeWidgetItem *item, bool hide);
- bool isItemExpanded(const QTreeWidgetItem *item) const;
- void setItemExpanded(const QTreeWidgetItem *item, bool expand);
- bool isFirstItemColumnSpanned(const QTreeWidgetItem *item) const;
- void setFirstItemColumnSpanned(const QTreeWidgetItem *item, bool span);
- QTreeWidgetItem *itemAbove(const QTreeWidgetItem *item) const;
- QTreeWidgetItem *itemBelow(const QTreeWidgetItem *item) const;
- public Q_SLOTS:
- void scrollToItem(const QTreeWidgetItem *item,
- QAbstractItemView::ScrollHint hint = EnsureVisible);
- void expandItem(const QTreeWidgetItem *item);
- void collapseItem(const QTreeWidgetItem *item);
- void clear();
- Q_SIGNALS:
- void itemPressed(QTreeWidgetItem *item, int column);
- void itemClicked(QTreeWidgetItem *item, int column);
- void itemDoubleClicked(QTreeWidgetItem *item, int column);
- void itemActivated(QTreeWidgetItem *item, int column);
- void itemEntered(QTreeWidgetItem *item, int column);
- void itemChanged(QTreeWidgetItem *item, int column);
- void itemExpanded(QTreeWidgetItem *item);
- void itemCollapsed(QTreeWidgetItem *item);
- void currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
- void itemSelectionChanged();
- protected:
- bool event(QEvent *e);
- virtual QStringList mimeTypes() const;
- virtual QMimeData *mimeData(const QList<QTreeWidgetItem*> items) const;
- virtual bool dropMimeData(QTreeWidgetItem *parent, int index,
- const QMimeData *data, Qt::DropAction action);
- virtual Qt::DropActions supportedDropActions() const;
- QList<QTreeWidgetItem*> items(const QMimeData *data) const;
- QModelIndex indexFromItem(QTreeWidgetItem *item, int column = 0) const;
- QTreeWidgetItem *itemFromIndex(const QModelIndex &index) const;
- void dropEvent(QDropEvent *event);
- private:
- void setModel(QAbstractItemModel *model);
- Q_DECLARE_PRIVATE(QTreeWidget)
- Q_DISABLE_COPY(QTreeWidget)
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemExpanded(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitItemCollapsed(const QModelIndex &index))
- Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t))
- Q_PRIVATE_SLOT(d_func(), void _q_sort())
- Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
- Q_PRIVATE_SLOT(d_func(), void _q_selectionChanged(const QItemSelection &selected, const QItemSelection &deselected))
- };
- inline void QTreeWidget::removeItemWidget(QTreeWidgetItem *item, int column)
- { setItemWidget(item, column, 0); }
- inline QTreeWidgetItem *QTreeWidget::itemAt(int ax, int ay) const
- { return itemAt(QPoint(ax, ay)); }
- inline void QTreeWidget::setHeaderLabel(const QString &alabel)
- { setHeaderLabels(QStringList(alabel)); }
- inline void QTreeWidgetItem::setSelected(bool aselect)
- { if (view) view->setItemSelected(this, aselect); }
- inline bool QTreeWidgetItem::isSelected() const
- { return (view ? view->isItemSelected(this) : false); }
- inline void QTreeWidgetItem::setHidden(bool ahide)
- { if (view) view->setItemHidden(this, ahide); }
- inline bool QTreeWidgetItem::isHidden() const
- { return (view ? view->isItemHidden(this) : false); }
- inline void QTreeWidgetItem::setExpanded(bool aexpand)
- { if (view) view->setItemExpanded(this, aexpand); }
- inline bool QTreeWidgetItem::isExpanded() const
- { return (view ? view->isItemExpanded(this) : false); }
- inline void QTreeWidgetItem::setFirstColumnSpanned(bool aspan)
- { if (view) view->setFirstItemColumnSpanned(this, aspan); }
- inline bool QTreeWidgetItem::isFirstColumnSpanned() const
- { return (view ? view->isFirstItemColumnSpanned(this) : false); }
- inline void QTreeWidgetItem::setDisabled(bool disabled)
- { setFlags(disabled ? (flags() & ~Qt::ItemIsEnabled) : flags() | Qt::ItemIsEnabled); }
- inline bool QTreeWidgetItem::isDisabled() const
- { return !(flags() & Qt::ItemIsEnabled); }
- #endif // QT_NO_TREEWIDGET
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QTREEWIDGET_H