Windows-4.7.4/src/gui/itemviews/qabstractitemview.h - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** GNU Lesser General Public License Usage
 ** This file may be used under the terms of the GNU Lesser General Public
 ** License version 2.1 as published by the Free Software Foundation and
 ** appearing in the file LICENSE.LGPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU Lesser
 ** General Public License version 2.1 requirements will be met:
 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights. These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU General
 ** Public License version 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 the GNU General
 ** Public License version 3.0 requirements will be met:
 ** http://www.gnu.org/copyleft/gpl.html.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef QABSTRACTITEMVIEW_H
 #define QABSTRACTITEMVIEW_H

 #include <QtGui/qabstractscrollarea.h>
 #include <QtCore/qabstractitemmodel.h>
 #include <QtGui/qitemselectionmodel.h>
 #include <QtGui/qabstractitemdelegate.h>

 QT_BEGIN_HEADER

 QT_BEGIN_NAMESPACE

 QT_MODULE(Gui)

 #ifndef QT_NO_ITEMVIEWS

 class QMenu;
 class QDrag;
 class QEvent;
 class QAbstractItemViewPrivate;

 class Q_GUI_EXPORT QAbstractItemView : public QAbstractScrollArea
 {
     Q_OBJECT
     Q_ENUMS(SelectionMode SelectionBehavior ScrollHint ScrollMode DragDropMode)
     Q_FLAGS(EditTriggers)
     Q_PROPERTY(bool autoScroll READ hasAutoScroll WRITE setAutoScroll)
     Q_PROPERTY(int autoScrollMargin READ autoScrollMargin WRITE setAutoScrollMargin)
     Q_PROPERTY(EditTriggers editTriggers READ editTriggers WRITE setEditTriggers)
     Q_PROPERTY(bool tabKeyNavigation READ tabKeyNavigation WRITE setTabKeyNavigation)
 #ifndef QT_NO_DRAGANDDROP
     Q_PROPERTY(bool showDropIndicator READ showDropIndicator WRITE setDropIndicatorShown)
     Q_PROPERTY(bool dragEnabled READ dragEnabled WRITE setDragEnabled)
     Q_PROPERTY(bool dragDropOverwriteMode READ dragDropOverwriteMode WRITE setDragDropOverwriteMode)
     Q_PROPERTY(DragDropMode dragDropMode READ dragDropMode WRITE setDragDropMode)
     Q_PROPERTY(Qt::DropAction defaultDropAction READ defaultDropAction WRITE setDefaultDropAction)
 #endif
     Q_PROPERTY(bool alternatingRowColors READ alternatingRowColors WRITE setAlternatingRowColors)
     Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
     Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior)
     Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
     Q_PROPERTY(Qt::TextElideMode textElideMode READ textElideMode WRITE setTextElideMode)
     Q_PROPERTY(ScrollMode verticalScrollMode READ verticalScrollMode WRITE setVerticalScrollMode)
     Q_PROPERTY(ScrollMode horizontalScrollMode READ horizontalScrollMode WRITE setHorizontalScrollMode)

 public:
     enum SelectionMode {
         NoSelection,
         SingleSelection,
         MultiSelection,
         ExtendedSelection,
         ContiguousSelection
     };

     enum SelectionBehavior {
         SelectItems,
         SelectRows,
         SelectColumns
     };

     enum ScrollHint {
         EnsureVisible,
         PositionAtTop,
         PositionAtBottom,
         PositionAtCenter
     };

     enum EditTrigger {
         NoEditTriggers = 0,
         CurrentChanged = 1,
         DoubleClicked = 2,
         SelectedClicked = 4,
         EditKeyPressed = 8,
         AnyKeyPressed = 16,
         AllEditTriggers = 31
     };

     Q_DECLARE_FLAGS(EditTriggers, EditTrigger)

     enum ScrollMode {
         ScrollPerItem,
         ScrollPerPixel
     };

     explicit QAbstractItemView(QWidget *parent = 0);
     ~QAbstractItemView();

     virtual void setModel(QAbstractItemModel *model);
     QAbstractItemModel *model() const;

     virtual void setSelectionModel(QItemSelectionModel *selectionModel);
     QItemSelectionModel *selectionModel() const;

     void setItemDelegate(QAbstractItemDelegate *delegate);
     QAbstractItemDelegate *itemDelegate() const;

     void setSelectionMode(QAbstractItemView::SelectionMode mode);
     QAbstractItemView::SelectionMode selectionMode() const;

     void setSelectionBehavior(QAbstractItemView::SelectionBehavior behavior);
     QAbstractItemView::SelectionBehavior selectionBehavior() const;

     QModelIndex currentIndex() const;
     QModelIndex rootIndex() const;

     void setEditTriggers(EditTriggers triggers);
     EditTriggers editTriggers() const;

     void setVerticalScrollMode(ScrollMode mode);
     ScrollMode verticalScrollMode() const;

     void setHorizontalScrollMode(ScrollMode mode);
     ScrollMode horizontalScrollMode() const;

     void setAutoScroll(bool enable);
     bool hasAutoScroll() const;

     void setAutoScrollMargin(int margin);
     int autoScrollMargin() const;

     void setTabKeyNavigation(bool enable);
     bool tabKeyNavigation() const;

 #ifndef QT_NO_DRAGANDDROP
     void setDropIndicatorShown(bool enable);
     bool showDropIndicator() const;

     void setDragEnabled(bool enable);
     bool dragEnabled() const;

     void setDragDropOverwriteMode(bool overwrite);
     bool dragDropOverwriteMode() const;

     enum DragDropMode {
         NoDragDrop,
         DragOnly,
         DropOnly,
         DragDrop,
         InternalMove
     };

     void setDragDropMode(DragDropMode behavior);
     DragDropMode dragDropMode() const;

     void setDefaultDropAction(Qt::DropAction dropAction);
     Qt::DropAction defaultDropAction() const;
 #endif

     void setAlternatingRowColors(bool enable);
     bool alternatingRowColors() const;

     void setIconSize(const QSize &size);
     QSize iconSize() const;

     void setTextElideMode(Qt::TextElideMode mode);
     Qt::TextElideMode textElideMode() const;

     virtual void keyboardSearch(const QString &search);

     virtual QRect visualRect(const QModelIndex &index) const = 0;
     virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) = 0;
     virtual QModelIndex indexAt(const QPoint &point) const = 0;

     QSize sizeHintForIndex(const QModelIndex &index) const;
     virtual int sizeHintForRow(int row) const;
     virtual int sizeHintForColumn(int column) const;

     void openPersistentEditor(const QModelIndex &index);
     void closePersistentEditor(const QModelIndex &index);

     void setIndexWidget(const QModelIndex &index, QWidget *widget);
     QWidget *indexWidget(const QModelIndex &index) const;

     void setItemDelegateForRow(int row, QAbstractItemDelegate *delegate);
     QAbstractItemDelegate *itemDelegateForRow(int row) const;

     void setItemDelegateForColumn(int column, QAbstractItemDelegate *delegate);
     QAbstractItemDelegate *itemDelegateForColumn(int column) const;

     QAbstractItemDelegate *itemDelegate(const QModelIndex &index) const;

     virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;

 #ifdef Q_NO_USING_KEYWORD
     inline void update() { QAbstractScrollArea::update(); }
 #else
     using QAbstractScrollArea::update;
 #endif

 public Q_SLOTS:
     virtual void reset();
     virtual void setRootIndex(const QModelIndex &index);
     virtual void doItemsLayout();
     virtual void selectAll();
     void edit(const QModelIndex &index);
     void clearSelection();
     void setCurrentIndex(const QModelIndex &index);
     void scrollToTop();
     void scrollToBottom();
     void update(const QModelIndex &index);

 protected Q_SLOTS:
     virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
     virtual void rowsInserted(const QModelIndex &parent, int start, int end);
     virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
     virtual void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
     virtual void currentChanged(const QModelIndex &current, const QModelIndex &previous);
     virtual void updateEditorData();
     virtual void updateEditorGeometries();
     virtual void updateGeometries();
     virtual void verticalScrollbarAction(int action);
     virtual void horizontalScrollbarAction(int action);
     virtual void verticalScrollbarValueChanged(int value);
     virtual void horizontalScrollbarValueChanged(int value);
     virtual void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint);
     virtual void commitData(QWidget *editor);
     virtual void editorDestroyed(QObject *editor);

 Q_SIGNALS:
     void pressed(const QModelIndex &index);
     void clicked(const QModelIndex &index);
     void doubleClicked(const QModelIndex &index);

     void activated(const QModelIndex &index);
     void entered(const QModelIndex &index);
     void viewportEntered();

 protected:
     QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = 0);

     void setHorizontalStepsPerItem(int steps);
     int horizontalStepsPerItem() const;
     void setVerticalStepsPerItem(int steps);
     int verticalStepsPerItem() const;

     enum CursorAction { MoveUp, MoveDown, MoveLeft, MoveRight,
                         MoveHome, MoveEnd, MovePageUp, MovePageDown,
                         MoveNext, MovePrevious };
     virtual QModelIndex moveCursor(CursorAction cursorAction,
                                    Qt::KeyboardModifiers modifiers) = 0;

     virtual int horizontalOffset() const = 0;
     virtual int verticalOffset() const = 0;

     virtual bool isIndexHidden(const QModelIndex &index) const = 0;

     virtual void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command) = 0;
     virtual QRegion visualRegionForSelection(const QItemSelection &selection) const = 0;
     virtual QModelIndexList selectedIndexes() const;

     virtual bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event);

     virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex &index,
                                                                  const QEvent *event = 0) const;

 #ifndef QT_NO_DRAGANDDROP
     virtual void startDrag(Qt::DropActions supportedActions);
 #endif

     virtual QStyleOptionViewItem viewOptions() const;

     enum State {
         NoState,
         DraggingState,
         DragSelectingState,
         EditingState,
         ExpandingState,
         CollapsingState,
         AnimatingState
     };

     State state() const;
     void setState(State state);

     void scheduleDelayedItemsLayout();
     void executeDelayedItemsLayout();

     void setDirtyRegion(const QRegion &region);
     void scrollDirtyRegion(int dx, int dy);
     QPoint dirtyRegionOffset() const;

     void startAutoScroll();
     void stopAutoScroll();
     void doAutoScroll();

     bool focusNextPrevChild(bool next);
     bool event(QEvent *event);
     bool viewportEvent(QEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void mouseMoveEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);
     void mouseDoubleClickEvent(QMouseEvent *event);
 #ifndef QT_NO_DRAGANDDROP
     void dragEnterEvent(QDragEnterEvent *event);
     void dragMoveEvent(QDragMoveEvent *event);
     void dragLeaveEvent(QDragLeaveEvent *event);
     void dropEvent(QDropEvent *event);
 #endif
     void focusInEvent(QFocusEvent *event);
     void focusOutEvent(QFocusEvent *event);
     void keyPressEvent(QKeyEvent *event);
     void resizeEvent(QResizeEvent *event);
     void timerEvent(QTimerEvent *event);
     void inputMethodEvent(QInputMethodEvent *event);

 #ifndef QT_NO_DRAGANDDROP
     enum DropIndicatorPosition { OnItem, AboveItem, BelowItem, OnViewport };
     DropIndicatorPosition dropIndicatorPosition() const;
 #endif

 private:
     Q_DECLARE_PRIVATE(QAbstractItemView)
     Q_DISABLE_COPY(QAbstractItemView)
     Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_columnsRemoved(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_columnsInserted(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
     Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
     Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())

     friend class QTreeViewPrivate; // needed to compile with MSVC
     friend class QAccessibleItemRow;
     friend class QListModeViewBase;
     friend class QListViewPrivate; // needed to compile for Symbian emulator
 };

 Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractItemView::EditTriggers)

 #endif // QT_NO_ITEMVIEWS

 QT_END_NAMESPACE

 QT_END_HEADER

 #endif // QABSTRACTITEMVIEW_H
	/****************************************************************************
	**
	** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
	** All rights reserved.
	** Contact: Nokia Corporation (qt-info@nokia.com)
	**
	** This file is part of the QtGui module of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:LGPL$
	** GNU Lesser General Public License Usage
	** This file may be used under the terms of the GNU Lesser General Public
	** License version 2.1 as published by the Free Software Foundation and
	** appearing in the file LICENSE.LGPL included in the packaging of this
	** file. Please review the following information to ensure the GNU Lesser
	** General Public License version 2.1 requirements will be met:
	** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
	**
	** In addition, as a special exception, Nokia gives you certain additional
	** rights. These rights are described in the Nokia Qt LGPL Exception
	** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
	**
	** GNU General Public License Usage
	** Alternatively, this file may be used under the terms of the GNU General
	** Public License version 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 the GNU General
	** Public License version 3.0 requirements will be met:
	** http://www.gnu.org/copyleft/gpl.html.
	**
	** Other Usage
	** Alternatively, this file may be used in accordance with the terms and
	** conditions contained in a signed written agreement between you and Nokia.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#ifndef QABSTRACTITEMVIEW_H
	#define QABSTRACTITEMVIEW_H

	#include <QtGui/qabstractscrollarea.h>
	#include <QtCore/qabstractitemmodel.h>
	#include <QtGui/qitemselectionmodel.h>
	#include <QtGui/qabstractitemdelegate.h>

	QT_BEGIN_HEADER

	QT_BEGIN_NAMESPACE

	QT_MODULE(Gui)

	#ifndef QT_NO_ITEMVIEWS

	class QMenu;
	class QDrag;
	class QEvent;
	class QAbstractItemViewPrivate;

	class Q_GUI_EXPORT QAbstractItemView : public QAbstractScrollArea
	{
	Q_OBJECT
	Q_ENUMS(SelectionMode SelectionBehavior ScrollHint ScrollMode DragDropMode)
	Q_FLAGS(EditTriggers)
	Q_PROPERTY(bool autoScroll READ hasAutoScroll WRITE setAutoScroll)
	Q_PROPERTY(int autoScrollMargin READ autoScrollMargin WRITE setAutoScrollMargin)
	Q_PROPERTY(EditTriggers editTriggers READ editTriggers WRITE setEditTriggers)
	Q_PROPERTY(bool tabKeyNavigation READ tabKeyNavigation WRITE setTabKeyNavigation)
	#ifndef QT_NO_DRAGANDDROP
	Q_PROPERTY(bool showDropIndicator READ showDropIndicator WRITE setDropIndicatorShown)
	Q_PROPERTY(bool dragEnabled READ dragEnabled WRITE setDragEnabled)
	Q_PROPERTY(bool dragDropOverwriteMode READ dragDropOverwriteMode WRITE setDragDropOverwriteMode)
	Q_PROPERTY(DragDropMode dragDropMode READ dragDropMode WRITE setDragDropMode)
	Q_PROPERTY(Qt::DropAction defaultDropAction READ defaultDropAction WRITE setDefaultDropAction)
	#endif
	Q_PROPERTY(bool alternatingRowColors READ alternatingRowColors WRITE setAlternatingRowColors)
	Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
	Q_PROPERTY(SelectionBehavior selectionBehavior READ selectionBehavior WRITE setSelectionBehavior)
	Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
	Q_PROPERTY(Qt::TextElideMode textElideMode READ textElideMode WRITE setTextElideMode)
	Q_PROPERTY(ScrollMode verticalScrollMode READ verticalScrollMode WRITE setVerticalScrollMode)
	Q_PROPERTY(ScrollMode horizontalScrollMode READ horizontalScrollMode WRITE setHorizontalScrollMode)

	public:
	enum SelectionMode {
	NoSelection,
	SingleSelection,
	MultiSelection,
	ExtendedSelection,
	ContiguousSelection
	};

	enum SelectionBehavior {
	SelectItems,
	SelectRows,
	SelectColumns
	};

	enum ScrollHint {
	EnsureVisible,
	PositionAtTop,
	PositionAtBottom,
	PositionAtCenter
	};

	enum EditTrigger {
	NoEditTriggers = 0,
	CurrentChanged = 1,
	DoubleClicked = 2,
	SelectedClicked = 4,
	EditKeyPressed = 8,
	AnyKeyPressed = 16,
	AllEditTriggers = 31
	};

	Q_DECLARE_FLAGS(EditTriggers, EditTrigger)

	enum ScrollMode {
	ScrollPerItem,
	ScrollPerPixel
	};

	explicit QAbstractItemView(QWidget *parent = 0);
	~QAbstractItemView();

	virtual void setModel(QAbstractItemModel *model);
	QAbstractItemModel *model() const;

	virtual void setSelectionModel(QItemSelectionModel *selectionModel);
	QItemSelectionModel *selectionModel() const;

	void setItemDelegate(QAbstractItemDelegate *delegate);
	QAbstractItemDelegate *itemDelegate() const;

	void setSelectionMode(QAbstractItemView::SelectionMode mode);
	QAbstractItemView::SelectionMode selectionMode() const;

	void setSelectionBehavior(QAbstractItemView::SelectionBehavior behavior);
	QAbstractItemView::SelectionBehavior selectionBehavior() const;

	QModelIndex currentIndex() const;
	QModelIndex rootIndex() const;

	void setEditTriggers(EditTriggers triggers);
	EditTriggers editTriggers() const;

	void setVerticalScrollMode(ScrollMode mode);
	ScrollMode verticalScrollMode() const;

	void setHorizontalScrollMode(ScrollMode mode);
	ScrollMode horizontalScrollMode() const;

	void setAutoScroll(bool enable);
	bool hasAutoScroll() const;

	void setAutoScrollMargin(int margin);
	int autoScrollMargin() const;

	void setTabKeyNavigation(bool enable);
	bool tabKeyNavigation() const;

	#ifndef QT_NO_DRAGANDDROP
	void setDropIndicatorShown(bool enable);
	bool showDropIndicator() const;

	void setDragEnabled(bool enable);
	bool dragEnabled() const;

	void setDragDropOverwriteMode(bool overwrite);
	bool dragDropOverwriteMode() const;

	enum DragDropMode {
	NoDragDrop,
	DragOnly,
	DropOnly,
	DragDrop,
	InternalMove
	};

	void setDragDropMode(DragDropMode behavior);
	DragDropMode dragDropMode() const;

	void setDefaultDropAction(Qt::DropAction dropAction);
	Qt::DropAction defaultDropAction() const;
	#endif

	void setAlternatingRowColors(bool enable);
	bool alternatingRowColors() const;

	void setIconSize(const QSize &size);
	QSize iconSize() const;

	void setTextElideMode(Qt::TextElideMode mode);
	Qt::TextElideMode textElideMode() const;

	virtual void keyboardSearch(const QString &search);

	virtual QRect visualRect(const QModelIndex &index) const = 0;
	virtual void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible) = 0;
	virtual QModelIndex indexAt(const QPoint &point) const = 0;

	QSize sizeHintForIndex(const QModelIndex &index) const;
	virtual int sizeHintForRow(int row) const;
	virtual int sizeHintForColumn(int column) const;

	void openPersistentEditor(const QModelIndex &index);
	void closePersistentEditor(const QModelIndex &index);

	void setIndexWidget(const QModelIndex &index, QWidget *widget);
	QWidget *indexWidget(const QModelIndex &index) const;

	void setItemDelegateForRow(int row, QAbstractItemDelegate *delegate);
	QAbstractItemDelegate *itemDelegateForRow(int row) const;

	void setItemDelegateForColumn(int column, QAbstractItemDelegate *delegate);
	QAbstractItemDelegate *itemDelegateForColumn(int column) const;

	QAbstractItemDelegate *itemDelegate(const QModelIndex &index) const;

	virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const;

	#ifdef Q_NO_USING_KEYWORD
	inline void update() { QAbstractScrollArea::update(); }
	#else
	using QAbstractScrollArea::update;
	#endif

	public Q_SLOTS:
	virtual void reset();
	virtual void setRootIndex(const QModelIndex &index);
	virtual void doItemsLayout();
	virtual void selectAll();
	void edit(const QModelIndex &index);
	void clearSelection();
	void setCurrentIndex(const QModelIndex &index);
	void scrollToTop();
	void scrollToBottom();
	void update(const QModelIndex &index);

	protected Q_SLOTS:
	virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
	virtual void rowsInserted(const QModelIndex &parent, int start, int end);
	virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
	virtual void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
	virtual void currentChanged(const QModelIndex &current, const QModelIndex &previous);
	virtual void updateEditorData();
	virtual void updateEditorGeometries();
	virtual void updateGeometries();
	virtual void verticalScrollbarAction(int action);
	virtual void horizontalScrollbarAction(int action);
	virtual void verticalScrollbarValueChanged(int value);
	virtual void horizontalScrollbarValueChanged(int value);
	virtual void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint);
	virtual void commitData(QWidget *editor);
	virtual void editorDestroyed(QObject *editor);

	Q_SIGNALS:
	void pressed(const QModelIndex &index);
	void clicked(const QModelIndex &index);
	void doubleClicked(const QModelIndex &index);

	void activated(const QModelIndex &index);
	void entered(const QModelIndex &index);
	void viewportEntered();

	protected:
	QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = 0);

	void setHorizontalStepsPerItem(int steps);
	int horizontalStepsPerItem() const;
	void setVerticalStepsPerItem(int steps);
	int verticalStepsPerItem() const;

	enum CursorAction { MoveUp, MoveDown, MoveLeft, MoveRight,
	MoveHome, MoveEnd, MovePageUp, MovePageDown,
	MoveNext, MovePrevious };
	virtual QModelIndex moveCursor(CursorAction cursorAction,
	Qt::KeyboardModifiers modifiers) = 0;

	virtual int horizontalOffset() const = 0;
	virtual int verticalOffset() const = 0;

	virtual bool isIndexHidden(const QModelIndex &index) const = 0;

	virtual void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command) = 0;
	virtual QRegion visualRegionForSelection(const QItemSelection &selection) const = 0;
	virtual QModelIndexList selectedIndexes() const;

	virtual bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event);

	virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex &index,
	const QEvent *event = 0) const;

	#ifndef QT_NO_DRAGANDDROP
	virtual void startDrag(Qt::DropActions supportedActions);
	#endif

	virtual QStyleOptionViewItem viewOptions() const;

	enum State {
	NoState,
	DraggingState,
	DragSelectingState,
	EditingState,
	ExpandingState,
	CollapsingState,
	AnimatingState
	};

	State state() const;
	void setState(State state);

	void scheduleDelayedItemsLayout();
	void executeDelayedItemsLayout();

	void setDirtyRegion(const QRegion &region);
	void scrollDirtyRegion(int dx, int dy);
	QPoint dirtyRegionOffset() const;

	void startAutoScroll();
	void stopAutoScroll();
	void doAutoScroll();

	bool focusNextPrevChild(bool next);
	bool event(QEvent *event);
	bool viewportEvent(QEvent *event);
	void mousePressEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void mouseDoubleClickEvent(QMouseEvent *event);
	#ifndef QT_NO_DRAGANDDROP
	void dragEnterEvent(QDragEnterEvent *event);
	void dragMoveEvent(QDragMoveEvent *event);
	void dragLeaveEvent(QDragLeaveEvent *event);
	void dropEvent(QDropEvent *event);
	#endif
	void focusInEvent(QFocusEvent *event);
	void focusOutEvent(QFocusEvent *event);
	void keyPressEvent(QKeyEvent *event);
	void resizeEvent(QResizeEvent *event);
	void timerEvent(QTimerEvent *event);
	void inputMethodEvent(QInputMethodEvent *event);

	#ifndef QT_NO_DRAGANDDROP
	enum DropIndicatorPosition { OnItem, AboveItem, BelowItem, OnViewport };
	DropIndicatorPosition dropIndicatorPosition() const;
	#endif

	private:
	Q_DECLARE_PRIVATE(QAbstractItemView)
	Q_DISABLE_COPY(QAbstractItemView)
	Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
	Q_PRIVATE_SLOT(d_func(), void _q_columnsRemoved(const QModelIndex&, int, int))
	Q_PRIVATE_SLOT(d_func(), void _q_columnsInserted(const QModelIndex&, int, int))
	Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
	Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
	Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
	Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())

	friend class QTreeViewPrivate; // needed to compile with MSVC
	friend class QAccessibleItemRow;
	friend class QListModeViewBase;
	friend class QListViewPrivate; // needed to compile for Symbian emulator
	};

	Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractItemView::EditTriggers)

	#endif // QT_NO_ITEMVIEWS

	QT_END_NAMESPACE

	QT_END_HEADER

	#endif // QABSTRACTITEMVIEW_H