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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CUSTOMWIDGET
#define CUSTOMWIDGET
#include <QDesignerCustomWidgetInterface>
#include <QString>
#include <QSize>
#include <QTextStream>
#include <QIcon>
// Parametrizable Template for custom widgets.
template <class Widget>
class CustomWidget : public QDesignerCustomWidgetInterface
{
public:
explicit CustomWidget(const QString &includeFile,
bool isContainer,
const QString &group,
const QIcon &icon,
const QString &toolTip,
const QSize &size = QSize());
bool isContainer() const { return m_isContainer; }
bool isInitialized() const { return m_initialized; }
QIcon icon() const { return m_icon; }
QString domXml() const;
QString group() const { return m_group; }
QString includeFile() const { return m_includeFile; }
QString name() const;
QString toolTip() const { return m_toolTip; }
QString whatsThis() const { return m_toolTip; }
QWidget *createWidget(QWidget *parent);
void initialize(QDesignerFormEditorInterface *core);
protected:
bool initialized() const { return m_initialized; }
private:
QString displayName() const;
QString geometryProperty() const;
const QString m_includeFile;
const bool m_isContainer;
const QString m_group;
const QIcon m_icon;
const QString m_toolTip;
const QSize m_size;
bool m_initialized;
};
template <class Widget>
CustomWidget<Widget>::CustomWidget(const QString &includeFile,
bool isContainer,
const QString &group,
const QIcon &icon,
const QString &toolTip,
const QSize &size) :
m_includeFile(includeFile),
m_isContainer(isContainer),
m_group(group),
m_icon(icon),
m_toolTip(toolTip),
m_size(size),
m_initialized(false)
{
}
// Determine the name to be displayed in the widget box: Strip
// namespaces.
template <class Widget>
QString CustomWidget<Widget>::displayName() const
{
QString rc = name();
const int index = rc.lastIndexOf(QLatin1Char(':'));
if (index != -1)
rc.remove(0, index + 1);
return rc;
}
template <class Widget>
QString CustomWidget<Widget>::geometryProperty() const
{
QString rc;
if (m_size.isEmpty())
return rc;
QTextStream(&rc) << "<property name=\"geometry\"><rect><x>0</x><y>0</y><width>"
<< m_size.width() << "</width><height>" << m_size.height()
<< "</height></rect></property>";
return rc;
}
template <class Widget>
QString CustomWidget<Widget>::domXml() const
{
const QString className = name();
QString rc;
// Name: 'Namespace::QClass' -> 'class'
QString name = className;
const int lastColonPos = name.lastIndexOf(QLatin1Char(':'));
if (lastColonPos != -1)
name.remove(0, lastColonPos + 1);
if (name.startsWith(QLatin1Char('Q')))
name.remove(0, 1);
name[0] = name.at(0).toLower();
// Format
QTextStream str(&rc);
str << "<ui displayname=\"" << displayName()
<< "\" language=\"c++\"><widget class=\"" << className << "\" name=\""
<< name << "\">" << geometryProperty() << "</widget></ui>";
return rc;
}
template <class Widget>
QString CustomWidget<Widget>::name() const
{
return QLatin1String(Widget::staticMetaObject.className());
}
template <class Widget>
QWidget *CustomWidget<Widget>::createWidget(QWidget *parent)
{
return new Widget(parent);
}
template <class Widget>
void CustomWidget<Widget>::initialize(QDesignerFormEditorInterface *)
{
if (!m_initialized) {
m_initialized = true;
}
}
#endif // CUSTOMWIDGET
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