qt_demoe/third/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.
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** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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** 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
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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