/usr/include/plasma/widgets/declarativewidget.h is in kdelibs5-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2010 Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_DECLARATIVEWIDGET_H
#define PLASMA_DECLARATIVEWIDGET_H
#include <QtGui/QGraphicsWidget>
#include <plasma/plasma_export.h>
class QDeclarativeEngine;
class QDeclarativeComponent;
class QScriptEngine;
namespace Plasma
{
class DeclarativeWidgetPrivate;
/**
* @class DeclarativeWidget plasma/declarativewidget.h <Plasma/DeclarativeWidget>
*
* @author Marco Martin <mart@kde.org>
*
* @short A widget that contains an entire QML context, with its own declarative engine
*
* Plasma::DeclarativeWidget provides a class for conveniently use QML based
* declarative user interfaces inside Plasma widgets.
* To one DeclarativeWidget corresponds one QML file (that can eventually include others)
* tere will be its own QDeclarativeEngine with a single root object,
* described in the QML file.
*/
class PLASMA_EXPORT DeclarativeWidget : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(QString qmlPath READ qmlPath WRITE setQmlPath)
Q_PROPERTY(bool initializationDelayed READ isInitializationDelayed WRITE setInitializationDelayed)
Q_PROPERTY(QObject * rootObject READ rootObject)
public:
/**
* Constructs a new DeclarativeWidget
*
* @param parent the parent of this widget
*/
explicit DeclarativeWidget(QGraphicsWidget *parent = 0);
~DeclarativeWidget();
/**
* Sets the path of the QML file to parse and execute
*
* @param path the absolute path of a QML file
*/
void setQmlPath(const QString &path);
/**
* @return the absolute path of the current QML file
*/
QString qmlPath() const;
/**
* Sets whether the execution of the QML file has to be delayed later in the event loop. It has to be called before setQmlPath().
* In this case will be possible to assign new objects in the main engine context
* before the main component gets initialized.
* So it will be possible to access it immediately from the QML code.
*
* @param delay if true the initilization of the QML file will be delayed
* at the end of the event loop
*/
void setInitializationDelayed(const bool delay);
/**
* @return true if the initilization of the QML file will be delayed
* at the end of the event loop
*/
bool isInitializationDelayed() const;
/**
* @return the declarative engine that runs the qml file assigned to this widget.
*/
QDeclarativeEngine* engine();
/**
* @return the script engine used by the declarative engine
* @since 4.7
*/
QScriptEngine *scriptEngine() const;
/**
* @return the root object of the declarative object tree
*/
QObject *rootObject() const;
/**
* @return the main QDeclarativeComponent of the engine
*/
QDeclarativeComponent *mainComponent() const;
protected:
void resizeEvent(QGraphicsSceneResizeEvent *event);
Q_SIGNALS:
/**
* Emitted when the parsing and execution of the QML file is terminated
*/
void finished();
private:
friend class DeclarativeWidgetPrivate;
DeclarativeWidgetPrivate * const d;
Q_PRIVATE_SLOT(d, void finishExecute())
Q_PRIVATE_SLOT(d, void scheduleExecutionEnd())
Q_PRIVATE_SLOT(d, void minimumWidthChanged())
Q_PRIVATE_SLOT(d, void minimumHeightChanged())
Q_PRIVATE_SLOT(d, void maximumWidthChanged())
Q_PRIVATE_SLOT(d, void maximumHeightChanged())
Q_PRIVATE_SLOT(d, void implicitWidthChanged())
Q_PRIVATE_SLOT(d, void implicitHeightChanged())
};
} // namespace Plasma
#endif // multiple inclusion guard
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