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/****************************************************************************
**
** 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 Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef QDESIGNER_COMMAND2_H
#define QDESIGNER_COMMAND2_H
#include "shared_global_p.h"
#include "qdesigner_formwindowcommand_p.h"
#include <QtGui/QWidget>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
class LayoutCommand;
class BreakLayoutCommand;
/* This command changes the type of a managed layout on a widget (including
* red layouts of type 'QLayoutWidget') into another type, maintaining the
* applicable properties. It does this by chaining BreakLayoutCommand and
* LayoutCommand, parametrizing them not to actually delete/reparent
* QLayoutWidget's. */
class QDESIGNER_SHARED_EXPORT MorphLayoutCommand : public QDesignerFormWindowCommand {
Q_DISABLE_COPY(MorphLayoutCommand)
public:
explicit MorphLayoutCommand(QDesignerFormWindowInterface *formWindow);
virtual ~MorphLayoutCommand();
bool init(QWidget *w, int newType);
static bool canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType = 0);
virtual void redo();
virtual void undo();
private:
static QString formatDescription(QDesignerFormEditorInterface *core, const QWidget *w, int oldType, int newType);
BreakLayoutCommand *m_breakLayoutCommand;
LayoutCommand *m_layoutCommand;
int m_newType;
QWidgetList m_widgets;
QWidget *m_layoutBase;
};
// Change the alignment of a widget in a managed grid/box layout cell.
class LayoutAlignmentCommand : public QDesignerFormWindowCommand {
Q_DISABLE_COPY(LayoutAlignmentCommand)
public:
explicit LayoutAlignmentCommand(QDesignerFormWindowInterface *formWindow);
bool init(QWidget *w, Qt::Alignment alignment);
virtual void redo();
virtual void undo();
// Find out alignment and return whether command is enabled.
static Qt::Alignment alignmentOf(const QDesignerFormEditorInterface *core, QWidget *w, bool *enabled = 0);
private:
static void applyAlignment(const QDesignerFormEditorInterface *core, QWidget *w, Qt::Alignment a);
Qt::Alignment m_newAlignment;
Qt::Alignment m_oldAlignment;
QWidget *m_widget;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // QDESIGNER_COMMAND2_H
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