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378 lines
13 KiB
378 lines
13 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QABSTRACTITEMVIEW_H
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#define QABSTRACTITEMVIEW_H
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#include <QtGui/qabstractscrollarea.h>
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#include <QtCore/qabstractitemmodel.h>
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#include <QtGui/qitemselectionmodel.h>
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#include <QtGui/qabstractitemdelegate.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#ifndef QT_NO_ITEMVIEWS
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class QMenu;
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class QDrag;
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class QEvent;
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class QAbstractItemViewPrivate;
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class Q_GUI_EXPORT QAbstractItemView : public QAbstractScrollArea
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{
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Q_OBJECT
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Q_ENUMS(SelectionMode SelectionBehavior ScrollHint ScrollMode DragDropMode)
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Q_FLAGS(EditTriggers)
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Q_PROPERTY(bool autoScroll READ hasAutoScroll WRITE setAutoScroll)
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Q_PROPERTY(int autoScrollMargin READ autoScrollMargin WRITE setAutoScrollMargin)
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Q_PROPERTY(EditTriggers editTriggers READ editTriggers WRITE setEditTriggers)
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Q_PROPERTY(bool tabKeyNavigation READ tabKeyNavigation WRITE setTabKeyNavigation)
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#ifndef QT_NO_DRAGANDDROP
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Q_PROPERTY(bool showDropIndicator READ showDropIndicator WRITE setDropIndicatorShown)
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Q_PROPERTY(bool dragEnabled READ dragEnabled WRITE setDragEnabled)
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Q_PROPERTY(bool dragDropOverwriteMode READ dragDropOverwriteMode WRITE setDragDropOverwriteMode)
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Q_PROPERTY(DragDropMode dragDropMode READ dragDropMode WRITE setDragDropMode)
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Q_PROPERTY(Qt::DropAction defaultDropAction READ defaultDropAction WRITE setDefaultDropAction)
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#endif
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Q_PROPERTY(bool alternatingRowColors READ alternatingRowColors WRITE setAlternatingRowColors)
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Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
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Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior)
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Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
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Q_PROPERTY(Qt::TextElideMode textElideMode READ textElideMode WRITE setTextElideMode)
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Q_PROPERTY(ScrollMode verticalScrollMode READ verticalScrollMode WRITE setVerticalScrollMode)
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Q_PROPERTY(ScrollMode horizontalScrollMode READ horizontalScrollMode WRITE setHorizontalScrollMode)
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public:
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enum SelectionMode {
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NoSelection,
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SingleSelection,
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MultiSelection,
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ExtendedSelection,
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ContiguousSelection
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};
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enum SelectionBehavior {
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SelectItems,
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SelectRows,
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SelectColumns
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};
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enum ScrollHint {
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EnsureVisible,
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PositionAtTop,
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PositionAtBottom,
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PositionAtCenter
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};
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enum EditTrigger {
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NoEditTriggers = 0,
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CurrentChanged = 1,
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DoubleClicked = 2,
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SelectedClicked = 4,
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EditKeyPressed = 8,
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AnyKeyPressed = 16,
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AllEditTriggers = 31
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};
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Q_DECLARE_FLAGS(EditTriggers, EditTrigger)
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enum ScrollMode {
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ScrollPerItem,
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ScrollPerPixel
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};
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explicit QAbstractItemView(QWidget *parent = 0);
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~QAbstractItemView();
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virtual void setModel(QAbstractItemModel *model);
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QAbstractItemModel *model() const;
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virtual void setSelectionModel(QItemSelectionModel *selectionModel);
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QItemSelectionModel *selectionModel() const;
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void setItemDelegate(QAbstractItemDelegate *delegate);
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QAbstractItemDelegate *itemDelegate() const;
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void setSelectionMode(QAbstractItemView::SelectionMode mode);
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QAbstractItemView::SelectionMode selectionMode() const;
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void setSelectionBehavior(QAbstractItemView::SelectionBehavior behavior);
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QAbstractItemView::SelectionBehavior selectionBehavior() const;
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QModelIndex currentIndex() const;
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QModelIndex rootIndex() const;
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void setEditTriggers(EditTriggers triggers);
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EditTriggers editTriggers() const;
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void setVerticalScrollMode(ScrollMode mode);
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ScrollMode verticalScrollMode() const;
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void setHorizontalScrollMode(ScrollMode mode);
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ScrollMode horizontalScrollMode() const;
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void setAutoScroll(bool enable);
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bool hasAutoScroll() const;
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void setAutoScrollMargin(int margin);
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int autoScrollMargin() const;
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void setTabKeyNavigation(bool enable);
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bool tabKeyNavigation() const;
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#ifndef QT_NO_DRAGANDDROP
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void setDropIndicatorShown(bool enable);
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bool showDropIndicator() const;
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void setDragEnabled(bool enable);
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bool dragEnabled() const;
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void setDragDropOverwriteMode(bool overwrite);
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bool dragDropOverwriteMode() const;
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enum DragDropMode {
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NoDragDrop,
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DragOnly,
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DropOnly,
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DragDrop,
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InternalMove
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};
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void setDragDropMode(DragDropMode behavior);
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DragDropMode dragDropMode() const;
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void setDefaultDropAction(Qt::DropAction dropAction);
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Qt::DropAction defaultDropAction() const;
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#endif
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void setAlternatingRowColors(bool enable);
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bool alternatingRowColors() const;
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void setIconSize(const QSize &size);
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QSize iconSize() const;
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void setTextElideMode(Qt::TextElideMode mode);
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Qt::TextElideMode textElideMode() const;
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virtual void keyboardSearch(const QString &search);
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virtual QRect visualRect(const QModelIndex &index) const = 0;
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virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) = 0;
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virtual QModelIndex indexAt(const QPoint &point) const = 0;
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QSize sizeHintForIndex(const QModelIndex &index) const;
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virtual int sizeHintForRow(int row) const;
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virtual int sizeHintForColumn(int column) const;
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void openPersistentEditor(const QModelIndex &index);
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void closePersistentEditor(const QModelIndex &index);
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void setIndexWidget(const QModelIndex &index, QWidget *widget);
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QWidget *indexWidget(const QModelIndex &index) const;
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void setItemDelegateForRow(int row, QAbstractItemDelegate *delegate);
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QAbstractItemDelegate *itemDelegateForRow(int row) const;
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void setItemDelegateForColumn(int column, QAbstractItemDelegate *delegate);
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QAbstractItemDelegate *itemDelegateForColumn(int column) const;
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QAbstractItemDelegate *itemDelegate(const QModelIndex &index) const;
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virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
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#ifdef Q_NO_USING_KEYWORD
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inline void update() { QAbstractScrollArea::update(); }
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#else
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using QAbstractScrollArea::update;
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#endif
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public Q_SLOTS:
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virtual void reset();
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virtual void setRootIndex(const QModelIndex &index);
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virtual void doItemsLayout();
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virtual void selectAll();
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void edit(const QModelIndex &index);
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void clearSelection();
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void setCurrentIndex(const QModelIndex &index);
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void scrollToTop();
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void scrollToBottom();
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void update(const QModelIndex &index);
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protected Q_SLOTS:
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virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
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virtual void rowsInserted(const QModelIndex &parent, int start, int end);
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virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
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virtual void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
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virtual void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
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virtual void updateEditorData();
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virtual void updateEditorGeometries();
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virtual void updateGeometries();
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virtual void verticalScrollbarAction(int action);
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virtual void horizontalScrollbarAction(int action);
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virtual void verticalScrollbarValueChanged(int value);
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virtual void horizontalScrollbarValueChanged(int value);
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virtual void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint);
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virtual void commitData(QWidget *editor);
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virtual void editorDestroyed(QObject *editor);
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Q_SIGNALS:
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void pressed(const QModelIndex &index);
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void clicked(const QModelIndex &index);
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void doubleClicked(const QModelIndex &index);
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void activated(const QModelIndex &index);
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void entered(const QModelIndex &index);
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void viewportEntered();
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protected:
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QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = 0);
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void setHorizontalStepsPerItem(int steps);
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int horizontalStepsPerItem() const;
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void setVerticalStepsPerItem(int steps);
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int verticalStepsPerItem() const;
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enum CursorAction { MoveUp, MoveDown, MoveLeft, MoveRight,
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MoveHome, MoveEnd, MovePageUp, MovePageDown,
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MoveNext, MovePrevious };
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virtual QModelIndex moveCursor(CursorAction cursorAction,
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Qt::KeyboardModifiers modifiers) = 0;
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virtual int horizontalOffset() const = 0;
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virtual int verticalOffset() const = 0;
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virtual bool isIndexHidden(const QModelIndex &index) const = 0;
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virtual void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command) = 0;
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virtual QRegion visualRegionForSelection(const QItemSelection &selection) const = 0;
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virtual QModelIndexList selectedIndexes() const;
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virtual bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event);
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virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex &index,
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const QEvent *event = 0) const;
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#ifndef QT_NO_DRAGANDDROP
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virtual void startDrag(Qt::DropActions supportedActions);
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#endif
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virtual QStyleOptionViewItem viewOptions() const;
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enum State {
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NoState,
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DraggingState,
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DragSelectingState,
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EditingState,
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ExpandingState,
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CollapsingState,
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AnimatingState
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};
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State state() const;
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void setState(State state);
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void scheduleDelayedItemsLayout();
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void executeDelayedItemsLayout();
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void setDirtyRegion(const QRegion ®ion);
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void scrollDirtyRegion(int dx, int dy);
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QPoint dirtyRegionOffset() const;
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void startAutoScroll();
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void stopAutoScroll();
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void doAutoScroll();
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bool focusNextPrevChild(bool next);
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bool event(QEvent *event);
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bool viewportEvent(QEvent *event);
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void mousePressEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseDoubleClickEvent(QMouseEvent *event);
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#ifndef QT_NO_DRAGANDDROP
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void dragEnterEvent(QDragEnterEvent *event);
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void dragMoveEvent(QDragMoveEvent *event);
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void dragLeaveEvent(QDragLeaveEvent *event);
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void dropEvent(QDropEvent *event);
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#endif
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void focusInEvent(QFocusEvent *event);
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void focusOutEvent(QFocusEvent *event);
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void keyPressEvent(QKeyEvent *event);
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void resizeEvent(QResizeEvent *event);
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void timerEvent(QTimerEvent *event);
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void inputMethodEvent(QInputMethodEvent *event);
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#ifndef QT_NO_DRAGANDDROP
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enum DropIndicatorPosition { OnItem, AboveItem, BelowItem, OnViewport };
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DropIndicatorPosition dropIndicatorPosition() const;
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#endif
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private:
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Q_DECLARE_PRIVATE(QAbstractItemView)
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Q_DISABLE_COPY(QAbstractItemView)
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Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
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Q_PRIVATE_SLOT(d_func(), void _q_columnsRemoved(const QModelIndex&, int, int))
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Q_PRIVATE_SLOT(d_func(), void _q_columnsInserted(const QModelIndex&, int, int))
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Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
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Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
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Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
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Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())
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friend class QTreeViewPrivate; // needed to compile with MSVC
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friend class QAccessibleItemRow;
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friend class QListModeViewBase;
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friend class QListViewPrivate; // needed to compile for Symbian emulator
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractItemView::EditTriggers)
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#endif // QT_NO_ITEMVIEWS
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QABSTRACTITEMVIEW_H
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