plasma-framework/widgets/webview.h
Kevin Ottens ef6cefb06c WebContent becomes WebView.
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=877511
2008-10-29 17:53:30 +00:00

158 lines
5.0 KiB
C++

/*
* Copyright 2006-2007 Aaron Seigo <aseigo@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_WEBVIEW_H
#define PLASMA_WEBVIEW_H
#include <plasma/plasma_export.h>
#include <QtCore/QUrl>
#include <QtGui/QGraphicsWidget>
class QWebPage;
class QWebFrame;
class QKeyEvent;
class QGraphicsSceneDragDropEvent;
class QGraphicsSceneMouseEvent;
class QGraphicsSceneWheelEvent;
class QRect;
namespace Plasma
{
class WebViewPrivate;
/**
* @class WebView plasma/widgets/webcontent.h <Plasma/Widgets/WebView>
*
* @short Provides a widget to display html content in Plasma.
*/
class PLASMA_EXPORT WebView : public QGraphicsWidget
{
Q_OBJECT
public:
explicit WebView(QGraphicsItem *parent = 0);
~WebView();
/**
* Sets the URL to display. Loading may happen asynchronously.
*
* @param url the location of the content to load.
*/
void setUrl(const QUrl &url);
/**
* Sets the html to be shown along with a base URL to be used
* to resolve relative references.
*
* @param html the html (in utf8) to display in the content area
* @param baseUrl the base url for relative references
*/
void setHtml(const QByteArray &html, const QUrl &baseUrl = QUrl());
/**
* Sets the html to be shown along with a base URL to be used
* to resolve relative references.
*
* @param html the html (in utf8) to display in the content area
* @param baseUrl the base url for relative references
*/
void setHtml(const QString &html, const QUrl &baseUrl = QUrl());
/**
* Reimplementation
*/
QRectF geometry() const;
/**
* Sets the page to use in this item. The owner of the webpage remains,
* however if this WebView object is the owner of the current page,
* then the current page is deleted
*
* @param page the page to set in this view
*/
void setPage(QWebPage *page);
/**
* The QWebPage associated with this item. Useful when more
* of the features of the full QWebPage object need to be accessed.
*/
QWebPage *page() const;
/**
* The main web frame associated with this item.
*/
QWebFrame *mainFrame() const;
/**
* Reimplementation
*/
void setGeometry(const QRectF &geometry);
Q_SIGNALS:
/**
* During loading progress, this signal is emitted. The values
* are always between 0 and 100, inclusive.
*
* @param percent the estimated amount the loading is complete
*/
void loadProgress(int percent);
/**
* This signal is emitted when loading is completed.
*
* @param success true if the content was loaded successfully,
* otherwise false
*/
void loadFinished(bool success);
protected:
/**
* Reimplementation
*/
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
void wheelEvent(QGraphicsSceneWheelEvent *event);
void keyPressEvent(QKeyEvent * event);
void keyReleaseEvent(QKeyEvent * event);
void focusInEvent(QFocusEvent * event);
void focusOutEvent(QFocusEvent * event);
void dragEnterEvent(QGraphicsSceneDragDropEvent * event);
void dragLeaveEvent(QGraphicsSceneDragDropEvent * event);
void dragMoveEvent(QGraphicsSceneDragDropEvent * event);
void dropEvent(QGraphicsSceneDragDropEvent * event);
private:
Q_PRIVATE_SLOT(d, void loadingFinished(bool success))
Q_PRIVATE_SLOT(d, void updateRequested(const QRect& dirtyRect))
Q_PRIVATE_SLOT(d, void scrollRequested(int dx, int dy, const QRect &scrollRect))
WebViewPrivate * const d;
friend class WebViewPrivate;
};
} // namespace Plasma
#endif // Multiple incluson guard