qlistwidget.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.
- **
- ** 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.
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- ** If you are unsure which license is appropriate for your use, please
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- ****************************************************************************/
- #ifndef QLISTWIDGET_H
- #define QLISTWIDGET_H
- #include <QtGui/qlistview.h>
- #include <QtCore/qvariant.h>
- #include <QtCore/qvector.h>
- #include <QtGui/qitemselectionmodel.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_LISTWIDGET
- class QListWidget;
- class QListModel;
- class QWidgetItemData;
- class QListWidgetItemPrivate;
- class Q_GUI_EXPORT QListWidgetItem
- {
- friend class QListModel;
- friend class QListWidget;
- public:
- enum ItemType { Type = 0, UserType = 1000 };
- explicit QListWidgetItem(QListWidget *view = 0, int type = Type);
- explicit QListWidgetItem(const QString &text, QListWidget *view = 0, int type = Type);
- explicit QListWidgetItem(const QIcon &icon, const QString &text,
- QListWidget *view = 0, int type = Type);
- QListWidgetItem(const QListWidgetItem &other);
- virtual ~QListWidgetItem();
- virtual QListWidgetItem *clone() const;
- inline QListWidget *listWidget() const { return view; }
- inline void setSelected(bool select);
- inline bool isSelected() const;
- inline void setHidden(bool hide);
- inline bool isHidden() const;
- inline Qt::ItemFlags flags() const { return itemFlags; }
- void setFlags(Qt::ItemFlags flags);
- inline QString text() const
- { return data(Qt::DisplayRole).toString(); }
- inline void setText(const QString &text);
- inline QIcon icon() const
- { return qvariant_cast<QIcon>(data(Qt::DecorationRole)); }
- inline void setIcon(const QIcon &icon);
- inline QString statusTip() const
- { return data(Qt::StatusTipRole).toString(); }
- inline void setStatusTip(const QString &statusTip);
- #ifndef QT_NO_TOOLTIP
- inline QString toolTip() const
- { return data(Qt::ToolTipRole).toString(); }
- inline void setToolTip(const QString &toolTip);
- #endif
- #ifndef QT_NO_WHATSTHIS
- inline QString whatsThis() const
- { return data(Qt::WhatsThisRole).toString(); }
- inline void setWhatsThis(const QString &whatsThis);
- #endif
- inline QFont font() const
- { return qvariant_cast<QFont>(data(Qt::FontRole)); }
- inline void setFont(const QFont &font);
- inline int textAlignment() const
- { return data(Qt::TextAlignmentRole).toInt(); }
- inline void setTextAlignment(int alignment)
- { setData(Qt::TextAlignmentRole, alignment); }
- inline QColor backgroundColor() const
- { return qvariant_cast<QColor>(data(Qt::BackgroundColorRole)); }
- virtual void setBackgroundColor(const QColor &color)
- { setData(Qt::BackgroundColorRole, color); }
- inline QBrush background() const
- { return qvariant_cast<QBrush>(data(Qt::BackgroundRole)); }
- inline void setBackground(const QBrush &brush)
- { setData(Qt::BackgroundRole, brush); }
- inline QColor textColor() const
- { return qvariant_cast<QColor>(data(Qt::TextColorRole)); }
- inline void setTextColor(const QColor &color)
- { setData(Qt::TextColorRole, color); }
- inline QBrush foreground() const
- { return qvariant_cast<QBrush>(data(Qt::ForegroundRole)); }
- inline void setForeground(const QBrush &brush)
- { setData(Qt::ForegroundRole, brush); }
- inline Qt::CheckState checkState() const
- { return static_cast<Qt::CheckState>(data(Qt::CheckStateRole).toInt()); }
- inline void setCheckState(Qt::CheckState state)
- { setData(Qt::CheckStateRole, state); }
- inline QSize sizeHint() const
- { return qvariant_cast<QSize>(data(Qt::SizeHintRole)); }
- inline void setSizeHint(const QSize &size)
- { setData(Qt::SizeHintRole, size); }
- virtual QVariant data(int role) const;
- virtual void setData(int role, const QVariant &value);
- virtual bool operator<(const QListWidgetItem &other) const;
- #ifndef QT_NO_DATASTREAM
- virtual void read(QDataStream &in);
- virtual void write(QDataStream &out) const;
- #endif
- QListWidgetItem &operator=(const QListWidgetItem &other);
- inline int type() const { return rtti; }
- private:
- int rtti;
- QVector<void *> dummy;
- QListWidget *view;
- QListWidgetItemPrivate *d;
- Qt::ItemFlags itemFlags;
- };
- inline void QListWidgetItem::setText(const QString &atext)
- { setData(Qt::DisplayRole, atext); }
- inline void QListWidgetItem::setIcon(const QIcon &aicon)
- { setData(Qt::DecorationRole, aicon); }
- inline void QListWidgetItem::setStatusTip(const QString &astatusTip)
- { setData(Qt::StatusTipRole, astatusTip); }
- #ifndef QT_NO_TOOLTIP
- inline void QListWidgetItem::setToolTip(const QString &atoolTip)
- { setData(Qt::ToolTipRole, atoolTip); }
- #endif
- #ifndef QT_NO_WHATSTHIS
- inline void QListWidgetItem::setWhatsThis(const QString &awhatsThis)
- { setData(Qt::WhatsThisRole, awhatsThis); }
- #endif
- inline void QListWidgetItem::setFont(const QFont &afont)
- { setData(Qt::FontRole, afont); }
- #ifndef QT_NO_DATASTREAM
- Q_GUI_EXPORT QDataStream &operator<<(QDataStream &out, const QListWidgetItem &item);
- Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QListWidgetItem &item);
- #endif
- class QListWidgetPrivate;
- class Q_GUI_EXPORT QListWidget : public QListView
- {
- Q_OBJECT
- Q_PROPERTY(int count READ count)
- Q_PROPERTY(int currentRow READ currentRow WRITE setCurrentRow NOTIFY currentRowChanged USER true)
- Q_PROPERTY(bool sortingEnabled READ isSortingEnabled WRITE setSortingEnabled)
- friend class QListWidgetItem;
- friend class QListModel;
- public:
- explicit QListWidget(QWidget *parent = 0);
- ~QListWidget();
- QListWidgetItem *item(int row) const;
- int row(const QListWidgetItem *item) const;
- void insertItem(int row, QListWidgetItem *item);
- void insertItem(int row, const QString &label);
- void insertItems(int row, const QStringList &labels);
- inline void addItem(const QString &label) { insertItem(count(), label); }
- inline void addItem(QListWidgetItem *item);
- inline void addItems(const QStringList &labels) { insertItems(count(), labels); }
- QListWidgetItem *takeItem(int row);
- int count() const;
- QListWidgetItem *currentItem() const;
- void setCurrentItem(QListWidgetItem *item);
- void setCurrentItem(QListWidgetItem *item, QItemSelectionModel::SelectionFlags command);
- int currentRow() const;
- void setCurrentRow(int row);
- void setCurrentRow(int row, QItemSelectionModel::SelectionFlags command);
- QListWidgetItem *itemAt(const QPoint &p) const;
- inline QListWidgetItem *itemAt(int x, int y) const;
- QRect visualItemRect(const QListWidgetItem *item) const;
- void sortItems(Qt::SortOrder order = Qt::AscendingOrder);
- void setSortingEnabled(bool enable);
- bool isSortingEnabled() const;
- void editItem(QListWidgetItem *item);
- void openPersistentEditor(QListWidgetItem *item);
- void closePersistentEditor(QListWidgetItem *item);
- QWidget *itemWidget(QListWidgetItem *item) const;
- void setItemWidget(QListWidgetItem *item, QWidget *widget);
- inline void removeItemWidget(QListWidgetItem *item);
- bool isItemSelected(const QListWidgetItem *item) const;
- void setItemSelected(const QListWidgetItem *item, bool select);
- QList<QListWidgetItem*> selectedItems() const;
- QList<QListWidgetItem*> findItems(const QString &text, Qt::MatchFlags flags) const;
- bool isItemHidden(const QListWidgetItem *item) const;
- void setItemHidden(const QListWidgetItem *item, bool hide);
- void dropEvent(QDropEvent *event);
- public Q_SLOTS:
- void scrollToItem(const QListWidgetItem *item, QAbstractItemView::ScrollHint hint = EnsureVisible);
- void clear();
- Q_SIGNALS:
- void itemPressed(QListWidgetItem *item);
- void itemClicked(QListWidgetItem *item);
- void itemDoubleClicked(QListWidgetItem *item);
- void itemActivated(QListWidgetItem *item);
- void itemEntered(QListWidgetItem *item);
- void itemChanged(QListWidgetItem *item);
- void currentItemChanged(QListWidgetItem *current, QListWidgetItem *previous);
- void currentTextChanged(const QString ¤tText);
- void currentRowChanged(int currentRow);
- void itemSelectionChanged();
- protected:
- bool event(QEvent *e);
- virtual QStringList mimeTypes() const;
- virtual QMimeData *mimeData(const QList<QListWidgetItem*> items) const;
- #ifndef QT_NO_DRAGANDDROP
- virtual bool dropMimeData(int index, const QMimeData *data, Qt::DropAction action);
- virtual Qt::DropActions supportedDropActions() const;
- #endif
- QList<QListWidgetItem*> items(const QMimeData *data) const;
- QModelIndex indexFromItem(QListWidgetItem *item) const;
- QListWidgetItem *itemFromIndex(const QModelIndex &index) const;
- private:
- void setModel(QAbstractItemModel *model);
- Qt::SortOrder sortOrder() const;
- Q_DECLARE_PRIVATE(QListWidget)
- Q_DISABLE_COPY(QListWidget)
- 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_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))
- };
- inline void QListWidget::removeItemWidget(QListWidgetItem *aItem)
- { setItemWidget(aItem, 0); }
- inline void QListWidget::addItem(QListWidgetItem *aitem)
- { insertItem(count(), aitem); }
- inline QListWidgetItem *QListWidget::itemAt(int ax, int ay) const
- { return itemAt(QPoint(ax, ay)); }
- inline void QListWidgetItem::setSelected(bool aselect)
- { if (view) view->setItemSelected(this, aselect); }
- inline bool QListWidgetItem::isSelected() const
- { return (view ? view->isItemSelected(this) : false); }
- inline void QListWidgetItem::setHidden(bool ahide)
- { if (view) view->setItemHidden(this, ahide); }
- inline bool QListWidgetItem::isHidden() const
- { return (view ? view->isItemHidden(this) : false); }
- #endif // QT_NO_LISTWIDGET
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QLISTWIDGET_H