/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef CUSTOMWIDGET_H
#define CUSTOMWIDGET_H

#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
#include <QtGui/qicon.h>

QT_BEGIN_NAMESPACE

class QWidget;
class QDesignerFormEditorInterface;

class QDesignerCustomWidgetInterface
{
public:
    virtual ~QDesignerCustomWidgetInterface() {}

    virtual QString name() const = 0;
    virtual QString group() const = 0;
    virtual QString toolTip() const = 0;
    virtual QString whatsThis() const = 0;
    virtual QString includeFile() const = 0;
    virtual QIcon icon() const = 0;

    virtual bool isContainer() const = 0;

    virtual QWidget *createWidget(QWidget *parent) = 0;

    virtual bool isInitialized() const { return false; }
    virtual void initialize(QDesignerFormEditorInterface *core) { Q_UNUSED(core); }

    virtual QString domXml() const
    {
        return QString::fromUtf8("<widget class=\"%1\" name=\"%2\"/>")
            .arg(name()).arg(name().toLower());
    }

    virtual QString codeTemplate() const { return QString(); }
};

#define QDesignerCustomWidgetInterface_iid "org.qt-project.QDesignerCustomWidgetInterface"

Q_DECLARE_INTERFACE(QDesignerCustomWidgetInterface, QDesignerCustomWidgetInterface_iid)

class QDesignerCustomWidgetCollectionInterface
{
public:
    virtual ~QDesignerCustomWidgetCollectionInterface() {}

    virtual QList<QDesignerCustomWidgetInterface*> customWidgets() const = 0;
};

#define QDesignerCustomWidgetCollectionInterface_iid "org.qt-project.Qt.QDesignerCustomWidgetCollectionInterface"

Q_DECLARE_INTERFACE(QDesignerCustomWidgetCollectionInterface, QDesignerCustomWidgetCollectionInterface_iid)

QT_END_NAMESPACE

#endif // CUSTOMWIDGET_H