qt_demoe/designer/lib/sdk/layoutdecoration.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, 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
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**
** If you have questions regarding the use of this file, please contact
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****************************************************************************/
#ifndef LAYOUTDECORATION_H
#define LAYOUTDECORATION_H
#include <QtDesigner/extension.h>
#include <QtCore/QObject>
#include <QtCore/QPair>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QPoint;
class QLayoutItem;
class QWidget;
class QRect;
class QLayout;
class QDesignerLayoutDecorationExtension
{
public:
enum InsertMode
{
InsertWidgetMode,
InsertRowMode,
InsertColumnMode
};
virtual ~QDesignerLayoutDecorationExtension() {}
virtual QList<QWidget*> widgets(QLayout *layout) const = 0;
virtual QRect itemInfo(int index) const = 0;
virtual int indexOf(QWidget *widget) const = 0;
virtual int indexOf(QLayoutItem *item) const = 0;
virtual InsertMode currentInsertMode() const = 0;
virtual int currentIndex() const = 0;
virtual QPair<int, int> currentCell() const = 0;
virtual void insertWidget(QWidget *widget, const QPair<int, int> &cell) = 0;
virtual void removeWidget(QWidget *widget) = 0;
virtual void insertRow(int row) = 0;
virtual void insertColumn(int column) = 0;
virtual void simplify() = 0;
virtual int findItemAt(const QPoint &pos) const = 0;
virtual int findItemAt(int row, int column) const = 0; // atm only for grid.
virtual void adjustIndicator(const QPoint &pos, int index) = 0;
};
Q_DECLARE_EXTENSION_INTERFACE(QDesignerLayoutDecorationExtension, "com.trolltech.Qt.Designer.LayoutDecoration")
QT_END_NAMESPACE
QT_END_HEADER
#endif // LAYOUTDECORATION_H