c12af537e4
if the root object has a minimumSize set, set it as minimum size for the declarative widget, and keep it in sync
139 lines
4.1 KiB
C++
139 lines
4.1 KiB
C++
/*
|
|
* 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())
|
|
};
|
|
|
|
} // namespace Plasma
|
|
|
|
#endif // multiple inclusion guard
|