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Diffstat (limited to 'Source/WebKit/qt/Api/qgraphicswebview.cpp')
| -rw-r--r-- | Source/WebKit/qt/Api/qgraphicswebview.cpp | 1197 |
1 files changed, 0 insertions, 1197 deletions
diff --git a/Source/WebKit/qt/Api/qgraphicswebview.cpp b/Source/WebKit/qt/Api/qgraphicswebview.cpp deleted file mode 100644 index 84b4e801b..000000000 --- a/Source/WebKit/qt/Api/qgraphicswebview.cpp +++ /dev/null @@ -1,1197 +0,0 @@ -/* - Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) - Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in> - - This library 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 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include "config.h" -#include "qgraphicswebview.h" - -#if !defined(QT_NO_GRAPHICSVIEW) - -#include "qwebframe.h" -#include "qwebframe_p.h" -#include "qwebpage.h" -#include "qwebpage_p.h" -#include "Page.h" -#include "PageClientQt.h" -#include "Frame.h" -#include "FrameView.h" -#include "GraphicsContext.h" -#include "IntRect.h" -#include "TiledBackingStore.h" -#include <qapplication.h> -#include <qgraphicsscene.h> -#include <qgraphicssceneevent.h> -#include <qgraphicsview.h> -#include <qscrollbar.h> -#include <qstyleoption.h> -#include <QtCore/qmetaobject.h> -#include <QtCore/qsharedpointer.h> -#include <QtCore/qtimer.h> -#include <QtGui/qpixmapcache.h> - -#if defined(Q_WS_X11) -#include <QX11Info> -#endif -#include <Settings.h> - -using namespace WebCore; - -class QGraphicsWebViewPrivate { -public: - QGraphicsWebViewPrivate(QGraphicsWebView* parent) - : q(parent) - , page(0) - , resizesToContents(false) - , renderHints(QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform) {} - - virtual ~QGraphicsWebViewPrivate(); - - void syncLayers(); - - void updateResizesToContentsForPage(); - - void detachCurrentPage(); - - void _q_doLoadFinished(bool success); - void _q_contentsSizeChanged(const QSize&); - void _q_scaleChanged(); - - void _q_pageDestroyed(); - - QGraphicsWebView* q; - QWebPage* page; - bool resizesToContents; - QPainter::RenderHints renderHints; - - QGraphicsItemOverlay* overlay() const - { - if (!page || !page->d->client) - return 0; - return pageClient()->overlay; - } - - PageClientQGraphicsWidget* pageClient() const - { - return static_cast<WebCore::PageClientQGraphicsWidget*> (page->d->client.data()); - } -}; - -QGraphicsWebViewPrivate::~QGraphicsWebViewPrivate() -{ - detachCurrentPage(); -} - -void QGraphicsWebViewPrivate::syncLayers() -{ -#if USE(ACCELERATED_COMPOSITING) - pageClient()->syncLayers(); -#endif -} - -void QGraphicsWebViewPrivate::_q_doLoadFinished(bool success) -{ - // If the page had no title, still make sure it gets the signal - if (q->title().isEmpty()) - emit q->urlChanged(q->url()); - - emit q->loadFinished(success); -} - -void QGraphicsWebViewPrivate::_q_pageDestroyed() -{ - page = 0; - q->setPage(0); -} - -void QGraphicsWebViewPrivate::updateResizesToContentsForPage() -{ - ASSERT(page); - pageClient()->viewResizesToContents = resizesToContents; - if (resizesToContents) { - // resizes to contents mode requires preferred contents size to be set - if (!page->preferredContentsSize().isValid()) - page->setPreferredContentsSize(QSize(960, 800)); - - QObject::connect(page->mainFrame(), SIGNAL(contentsSizeChanged(QSize)), - q, SLOT(_q_contentsSizeChanged(const QSize&)), Qt::UniqueConnection); - } else { - QObject::disconnect(page->mainFrame(), SIGNAL(contentsSizeChanged(QSize)), - q, SLOT(_q_contentsSizeChanged(const QSize&))); - } - page->d->page->mainFrame()->view()->setPaintsEntireContents(resizesToContents); - page->d->page->mainFrame()->view()->setDelegatesScrolling(resizesToContents); -} - -void QGraphicsWebViewPrivate::_q_contentsSizeChanged(const QSize& size) -{ - if (!resizesToContents) - return; - q->setGeometry(QRectF(q->geometry().topLeft(), size)); -} - -void QGraphicsWebViewPrivate::_q_scaleChanged() -{ -#if USE(TILED_BACKING_STORE) - if (!page) - return; - pageClient()->updateTiledBackingStoreScale(); -#endif -} - -/*! - \class QGraphicsWebView - \brief The QGraphicsWebView class allows Web content to be added to a GraphicsView. - \since 4.6 - - An instance of this class renders Web content from a URL or supplied as data, using - features of the QtWebKit module. - - If the width and height of the item are not set, they will default to 800 and 600, - respectively. If the Web page contents is larger than that, scrollbars will be shown - if not disabled explicitly. - - \section1 Browser Features - - Many of the functions, signals and properties provided by QWebView are also available - for this item, making it simple to adapt existing code to use QGraphicsWebView instead - of QWebView. - - The item uses a QWebPage object to perform the rendering of Web content, and this can - be obtained with the page() function, enabling the document itself to be accessed and - modified. - - As with QWebView, the item records the browsing history using a QWebHistory object, - accessible using the history() function. The QWebSettings object that defines the - configuration of the browser can be obtained with the settings() function, enabling - features like plugin support to be customized for each item. - - \sa QWebView, QGraphicsTextItem -*/ - -/*! - \fn void QGraphicsWebView::titleChanged(const QString &title) - - This signal is emitted whenever the \a title of the main frame changes. - - \sa title() -*/ - -/*! - \fn void QGraphicsWebView::urlChanged(const QUrl &url) - - This signal is emitted when the \a url of the view changes. - - \sa url(), load() -*/ - -/*! - \fn void QGraphicsWebView::iconChanged() - - This signal is emitted whenever the icon of the page is loaded or changes. - - In order for icons to be loaded, you will need to set an icon database path - using QWebSettings::setIconDatabasePath(). - - \sa icon(), QWebSettings::setIconDatabasePath() -*/ - -/*! - \fn void QGraphicsWebView::loadStarted() - - This signal is emitted when a new load of the page is started. - - \sa loadProgress(), loadFinished() -*/ - -/*! - \fn void QGraphicsWebView::loadFinished(bool ok) - - This signal is emitted when a load of the page is finished. - \a ok will indicate whether the load was successful or any error occurred. - - \sa loadStarted() -*/ - -/*! - Constructs an empty QGraphicsWebView with parent \a parent. - - \sa load() -*/ -QGraphicsWebView::QGraphicsWebView(QGraphicsItem* parent) - : QGraphicsWidget(parent) - , d(new QGraphicsWebViewPrivate(this)) -{ - setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true); - setAcceptDrops(true); - setAcceptHoverEvents(true); - setAcceptTouchEvents(true); - setFocusPolicy(Qt::StrongFocus); - setFlag(QGraphicsItem::ItemClipsChildrenToShape, true); -#if USE(TILED_BACKING_STORE) - QObject::connect(this, SIGNAL(scaleChanged()), this, SLOT(_q_scaleChanged())); -#endif -} - -/*! - Destroys the item. -*/ -QGraphicsWebView::~QGraphicsWebView() -{ - delete d; -} - -/*! - Returns a pointer to the underlying web page. - - \sa setPage() -*/ -QWebPage* QGraphicsWebView::page() const -{ - if (!d->page) { - QGraphicsWebView* that = const_cast<QGraphicsWebView*>(this); - QWebPage* page = new QWebPage(that); - - // Default to not having a background, in the case - // the page doesn't provide one. - QPalette palette = QApplication::palette(); - palette.setBrush(QPalette::Base, QColor::fromRgbF(0, 0, 0, 0)); - page->setPalette(palette); - - that->setPage(page); - } - - return d->page; -} - -/*! \reimp -*/ -void QGraphicsWebView::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget*) -{ - QPainter::RenderHints oldHints = painter->renderHints(); - painter->setRenderHints(oldHints | d->renderHints); -#if USE(TILED_BACKING_STORE) - if (WebCore::TiledBackingStore* backingStore = QWebFramePrivate::core(page()->mainFrame())->tiledBackingStore()) { - // FIXME: We should set the backing store viewport earlier than in paint - backingStore->coverWithTilesIfNeeded(); - // QWebFrame::render is a public API, bypass it for tiled rendering so behavior does not need to change. - WebCore::GraphicsContext context(painter); - page()->mainFrame()->d->renderFromTiledBackingStore(&context, option->exposedRect.toAlignedRect()); - painter->setRenderHints(oldHints); - return; - } -#endif - page()->mainFrame()->render(painter, QWebFrame::AllLayers, option->exposedRect.toRect()); - painter->setRenderHints(oldHints); -} - -/*! \reimp -*/ -bool QGraphicsWebView::sceneEvent(QEvent* event) -{ - // Re-implemented in order to allows fixing event-related bugs in patch releases. - - if (d->page && (event->type() == QEvent::TouchBegin - || event->type() == QEvent::TouchEnd - || event->type() == QEvent::TouchUpdate - || event->type() == QEvent::TouchCancel - )) { - d->page->event(event); - - // Always return true so that we'll receive also TouchUpdate and TouchEnd events - return true; - } - - return QGraphicsWidget::sceneEvent(event); -} - -/*! \reimp -*/ -QVariant QGraphicsWebView::itemChange(GraphicsItemChange change, const QVariant& value) -{ - switch (change) { - // Differently from QWebView, it is interesting to QGraphicsWebView to handle - // post mouse cursor change notifications. Reason: 'ItemCursorChange' is sent - // as the first action in QGraphicsItem::setCursor implementation, and at that - // item widget's cursor has not been effectively changed yet. - // After cursor is properly set (at 'ItemCursorHasChanged' emission time), we - // fire 'CursorChange'. - case ItemCursorChange: - return value; - case ItemCursorHasChanged: { - QEvent event(QEvent::CursorChange); - QApplication::sendEvent(this, &event); - return value; - } - default: - break; - } - - return QGraphicsWidget::itemChange(change, value); -} - -/*! \reimp -*/ -QSizeF QGraphicsWebView::sizeHint(Qt::SizeHint which, const QSizeF& constraint) const -{ - if (which == Qt::PreferredSize) - return QSizeF(800, 600); // ### - return QGraphicsWidget::sizeHint(which, constraint); -} - -/*! \reimp -*/ -QVariant QGraphicsWebView::inputMethodQuery(Qt::InputMethodQuery query) const -{ - if (d->page) - return d->page->inputMethodQuery(query); - return QVariant(); -} - -/*! - \property QGraphicsWebView::renderHints - \since 4.8 - \brief the default render hints for the view - - These hints are used to initialize QPainter before painting the Web page. - - QPainter::TextAntialiasing and QPainter::SmoothPixmapTransform are enabled by default and will be - used to render the item in addition of what has been set on the painter given by QGraphicsScene. - - \sa QPainter::renderHints() -*/ - -/*! - \since 4.8 - Returns the render hints used by the view to render content. - - \sa QPainter::renderHints() -*/ -QPainter::RenderHints QGraphicsWebView::renderHints() const -{ - return d->renderHints; -} - -/*! - \since 4.8 - Sets the render hints used by the view to the specified \a hints. - - \sa QPainter::setRenderHints() -*/ -void QGraphicsWebView::setRenderHints(QPainter::RenderHints hints) -{ - if (hints == d->renderHints) - return; - d->renderHints = hints; - update(); -} - -/*! - \since 4.8 - If \a enabled is true, enables the specified render \a hint; otherwise - disables it. - - \sa renderHints, QPainter::renderHints() -*/ -void QGraphicsWebView::setRenderHint(QPainter::RenderHint hint, bool enabled) -{ - QPainter::RenderHints oldHints = d->renderHints; - if (enabled) - d->renderHints |= hint; - else - d->renderHints &= ~hint; - if (oldHints != d->renderHints) - update(); -} - -/*! \reimp -*/ -bool QGraphicsWebView::event(QEvent* event) -{ - // Re-implemented in order to allows fixing event-related bugs in patch releases. - - if (d->page) { - if (event->type() == QEvent::PaletteChange) - d->page->setPalette(palette()); -#ifndef QT_NO_CONTEXTMENU - if (event->type() == QEvent::GraphicsSceneContextMenu) { - if (!isEnabled()) - return false; - - QGraphicsSceneContextMenuEvent* ev = static_cast<QGraphicsSceneContextMenuEvent*>(event); - QContextMenuEvent fakeEvent(QContextMenuEvent::Reason(ev->reason()), ev->pos().toPoint()); - if (d->page->swallowContextMenuEvent(&fakeEvent)) { - event->accept(); - return true; - } - d->page->updatePositionDependentActions(fakeEvent.pos()); - } else -#endif // QT_NO_CONTEXTMENU - { -#ifndef QT_NO_CURSOR - if (event->type() == QEvent::CursorChange) { - // An unsetCursor will set the cursor to Qt::ArrowCursor. - // Thus this cursor change might be a QWidget::unsetCursor() - // If this is not the case and it came from WebCore, the - // QWebPageClient already has set its cursor internally - // to Qt::ArrowCursor, so updating the cursor is always - // right, as it falls back to the last cursor set by - // WebCore. - // FIXME: Add a QEvent::CursorUnset or similar to Qt. - if (cursor().shape() == Qt::ArrowCursor) - d->page->d->client->resetCursor(); - } -#endif - } - } - return QGraphicsWidget::event(event); -} - -void QGraphicsWebViewPrivate::detachCurrentPage() -{ - if (!page) - return; - - page->d->view = 0; - page->d->client.reset(); - - // if the page was created by us, we own it and need to - // destroy it as well. - - if (page->parent() == q) - delete page; - else - page->disconnect(q); - - page = 0; -} - -/*! - Makes \a page the new web page of the web graphicsitem. - - The parent QObject of the provided page remains the owner - of the object. If the current document is a child of the web - view, it will be deleted. - - \sa page() -*/ -void QGraphicsWebView::setPage(QWebPage* page) -{ - if (d->page == page) - return; - - d->detachCurrentPage(); - d->page = page; - - if (!d->page) - return; - - d->page->d->client.reset(new PageClientQGraphicsWidget(this, page)); - - if (d->overlay()) - d->overlay()->prepareGraphicsItemGeometryChange(); - - QSize size = geometry().size().toSize(); - page->setViewportSize(size); - - if (d->resizesToContents) - d->updateResizesToContentsForPage(); - - QWebFrame* mainFrame = d->page->mainFrame(); - - connect(mainFrame, SIGNAL(titleChanged(QString)), - this, SIGNAL(titleChanged(QString))); - connect(mainFrame, SIGNAL(iconChanged()), - this, SIGNAL(iconChanged())); - connect(mainFrame, SIGNAL(urlChanged(QUrl)), - this, SIGNAL(urlChanged(QUrl))); - connect(d->page, SIGNAL(loadStarted()), - this, SIGNAL(loadStarted())); - connect(d->page, SIGNAL(loadProgress(int)), - this, SIGNAL(loadProgress(int))); - connect(d->page, SIGNAL(loadFinished(bool)), - this, SLOT(_q_doLoadFinished(bool))); - connect(d->page, SIGNAL(statusBarMessage(QString)), - this, SIGNAL(statusBarMessage(QString))); - connect(d->page, SIGNAL(linkClicked(QUrl)), - this, SIGNAL(linkClicked(QUrl))); - connect(d->page, SIGNAL(destroyed()), - this, SLOT(_q_pageDestroyed())); -#if !defined(QT_NO_IM) && (defined(Q_WS_X11) || defined(Q_WS_QWS)) - connect(d->page, SIGNAL(microFocusChanged()), - this, SLOT(updateMicroFocus())); -#endif -} - -/*! - \property QGraphicsWebView::url - \brief the url of the web page currently viewed - - Setting this property clears the view and loads the URL. - - By default, this property contains an empty, invalid URL. - - \sa load(), urlChanged() -*/ - -void QGraphicsWebView::setUrl(const QUrl &url) -{ - page()->mainFrame()->setUrl(url); -} - -QUrl QGraphicsWebView::url() const -{ - if (d->page) - return d->page->mainFrame()->url(); - - return QUrl(); -} - -/*! - \property QGraphicsWebView::title - \brief the title of the web page currently viewed - - By default, this property contains an empty string. - - \sa titleChanged() -*/ -QString QGraphicsWebView::title() const -{ - if (d->page) - return d->page->mainFrame()->title(); - - return QString(); -} - -/*! - \property QGraphicsWebView::icon - \brief the icon associated with the web page currently viewed - - By default, this property contains a null icon. - - \sa iconChanged(), QWebSettings::iconForUrl() -*/ -QIcon QGraphicsWebView::icon() const -{ - if (d->page) - return d->page->mainFrame()->icon(); - - return QIcon(); -} - -/*! - \property QGraphicsWebView::zoomFactor - \brief the zoom factor for the view -*/ - -void QGraphicsWebView::setZoomFactor(qreal factor) -{ - if (factor == page()->mainFrame()->zoomFactor()) - return; - - page()->mainFrame()->setZoomFactor(factor); -} - -qreal QGraphicsWebView::zoomFactor() const -{ - return page()->mainFrame()->zoomFactor(); -} - -/*! \reimp -*/ -void QGraphicsWebView::updateGeometry() -{ - if (d->overlay()) - d->overlay()->prepareGraphicsItemGeometryChange(); - - QGraphicsWidget::updateGeometry(); - - if (!d->page) - return; - - QSize size = geometry().size().toSize(); - d->page->setViewportSize(size); -} - -/*! \reimp -*/ -void QGraphicsWebView::setGeometry(const QRectF& rect) -{ - QGraphicsWidget::setGeometry(rect); - - if (d->overlay()) - d->overlay()->prepareGraphicsItemGeometryChange(); - - if (!d->page) - return; - - // NOTE: call geometry() as setGeometry ensures that - // the geometry is within legal bounds (minimumSize, maximumSize) - QSize size = geometry().size().toSize(); - d->page->setViewportSize(size); -} - -/*! - Convenience slot that stops loading the document. - - \sa reload(), loadFinished() -*/ -void QGraphicsWebView::stop() -{ - if (d->page) - d->page->triggerAction(QWebPage::Stop); -} - -/*! - Convenience slot that loads the previous document in the list of documents - built by navigating links. Does nothing if there is no previous document. - - \sa forward() -*/ -void QGraphicsWebView::back() -{ - if (d->page) - d->page->triggerAction(QWebPage::Back); -} - -/*! - Convenience slot that loads the next document in the list of documents - built by navigating links. Does nothing if there is no next document. - - \sa back() -*/ -void QGraphicsWebView::forward() -{ - if (d->page) - d->page->triggerAction(QWebPage::Forward); -} - -/*! - Reloads the current document. - - \sa stop(), loadStarted() -*/ -void QGraphicsWebView::reload() -{ - if (d->page) - d->page->triggerAction(QWebPage::Reload); -} - -/*! - Loads the specified \a url and displays it. - - \note The view remains the same until enough data has arrived to display the new \a url. - - \sa setUrl(), url(), urlChanged() -*/ -void QGraphicsWebView::load(const QUrl& url) -{ - page()->mainFrame()->load(url); -} - -/*! - \fn void QGraphicsWebView::load(const QNetworkRequest &request, QNetworkAccessManager::Operation operation, const QByteArray &body) - - Loads a network request, \a request, using the method specified in \a operation. - - \a body is optional and is only used for POST operations. - - \note The view remains the same until enough data has arrived to display the new url. - - \sa url(), urlChanged() -*/ - -void QGraphicsWebView::load(const QNetworkRequest& request, - QNetworkAccessManager::Operation operation, - const QByteArray& body) -{ - page()->mainFrame()->load(request, operation, body); -} - -/*! - Sets the content of the web view to the specified \a html. - - External objects such as stylesheets or images referenced in the HTML - document are located relative to \a baseUrl. - - The \a html is loaded immediately; external objects are loaded asynchronously. - - When using this method, WebKit assumes that external resources such as - JavaScript programs or style sheets are encoded in UTF-8 unless otherwise - specified. For example, the encoding of an external script can be specified - through the charset attribute of the HTML script tag. Alternatively, the - encoding can also be specified by the web server. - - This is a convenience function equivalent to setContent(html, "text/html", baseUrl). - - \warning This function works only for HTML, for other mime types (i.e. XHTML, SVG) - setContent() should be used instead. - - \sa load(), setContent(), QWebFrame::toHtml(), QWebFrame::setContent() -*/ -void QGraphicsWebView::setHtml(const QString& html, const QUrl& baseUrl) -{ - page()->mainFrame()->setHtml(html, baseUrl); -} - -/*! - Sets the content of the web graphicsitem to the specified content \a data. If the \a mimeType argument - is empty it is currently assumed that the content is HTML but in future versions we may introduce - auto-detection. - - External objects referenced in the content are located relative to \a baseUrl. - - The \a data is loaded immediately; external objects are loaded asynchronously. - - \sa load(), setHtml(), QWebFrame::toHtml() -*/ -void QGraphicsWebView::setContent(const QByteArray& data, const QString& mimeType, const QUrl& baseUrl) -{ - page()->mainFrame()->setContent(data, mimeType, baseUrl); -} - -/*! - Returns a pointer to the view's history of navigated web pages. - - It is equivalent to - - \snippet webkitsnippets/qtwebkit_qwebview_snippet.cpp 0 -*/ -QWebHistory* QGraphicsWebView::history() const -{ - return page()->history(); -} - -/*! - \property QGraphicsWebView::modified - \brief whether the document was modified by the user - - Parts of HTML documents can be editable for example through the - \c{contenteditable} attribute on HTML elements. - - By default, this property is false. -*/ -bool QGraphicsWebView::isModified() const -{ - if (d->page) - return d->page->isModified(); - return false; -} - -/*! - Returns a pointer to the view/page specific settings object. - - It is equivalent to - - \snippet webkitsnippets/qtwebkit_qwebview_snippet.cpp 1 - - \sa QWebSettings::globalSettings() -*/ -QWebSettings* QGraphicsWebView::settings() const -{ - return page()->settings(); -} - -/*! - Returns a pointer to a QAction that encapsulates the specified web action \a action. -*/ -QAction *QGraphicsWebView::pageAction(QWebPage::WebAction action) const -{ -#ifdef QT_NO_ACTION - Q_UNUSED(action) - return 0; -#else - return page()->action(action); -#endif -} - -/*! - Triggers the specified \a action. If it is a checkable action the specified - \a checked state is assumed. - - \sa pageAction() -*/ -void QGraphicsWebView::triggerPageAction(QWebPage::WebAction action, bool checked) -{ - page()->triggerAction(action, checked); -} - -/*! - Finds the specified string, \a subString, in the page, using the given \a options. - - If the HighlightAllOccurrences flag is passed, the function will highlight all occurrences - that exist in the page. All subsequent calls will extend the highlight, rather than - replace it, with occurrences of the new string. - - If the HighlightAllOccurrences flag is not passed, the function will select an occurrence - and all subsequent calls will replace the current occurrence with the next one. - - To clear the selection, just pass an empty string. - - Returns true if \a subString was found; otherwise returns false. - - \sa QWebPage::selectedText(), QWebPage::selectionChanged() -*/ -bool QGraphicsWebView::findText(const QString &subString, QWebPage::FindFlags options) -{ - if (d->page) - return d->page->findText(subString, options); - return false; -} - -/*! - \property QGraphicsWebView::resizesToContents - \brief whether the size of the QGraphicsWebView and its viewport changes to match the contents size - \since 4.7 - - If this property is set, the QGraphicsWebView will automatically change its - size to match the size of the main frame contents. As a result the top level frame - will never have scrollbars. It will also make CSS fixed positioning to behave like absolute positioning - with elements positioned relative to the document instead of the viewport. - - This property should be used in conjunction with the QWebPage::preferredContentsSize property. - If not explicitly set, the preferredContentsSize is automatically set to a reasonable value. - - \sa QWebPage::setPreferredContentsSize() -*/ -void QGraphicsWebView::setResizesToContents(bool enabled) -{ - if (d->resizesToContents == enabled) - return; - d->resizesToContents = enabled; - if (d->page) - d->updateResizesToContentsForPage(); -} - -bool QGraphicsWebView::resizesToContents() const -{ - return d->resizesToContents; -} - -/*! - \property QGraphicsWebView::tiledBackingStoreFrozen - \brief whether the tiled backing store updates its contents - \since 4.7 - - If the tiled backing store is enabled using QWebSettings::TiledBackingStoreEnabled attribute, this property - can be used to disable backing store updates temporarily. This can be useful for example for running - a smooth animation that changes the scale of the QGraphicsWebView. - - When the backing store is unfrozen, its contents will be automatically updated to match the current - state of the document. If the QGraphicsWebView scale was changed, the backing store is also - re-rendered using the new scale. - - If the tiled backing store is not enabled, this property does nothing. - - \sa QWebSettings::TiledBackingStoreEnabled - \sa QGraphicsObject::scale -*/ -bool QGraphicsWebView::isTiledBackingStoreFrozen() const -{ -#if USE(TILED_BACKING_STORE) - WebCore::TiledBackingStore* backingStore = QWebFramePrivate::core(page()->mainFrame())->tiledBackingStore(); - if (!backingStore) - return false; - return backingStore->contentsFrozen(); -#else - return false; -#endif -} - -void QGraphicsWebView::setTiledBackingStoreFrozen(bool frozen) -{ -#if USE(TILED_BACKING_STORE) - WebCore::TiledBackingStore* backingStore = QWebFramePrivate::core(page()->mainFrame())->tiledBackingStore(); - if (!backingStore) - return; - backingStore->setContentsFrozen(frozen); -#else - UNUSED_PARAM(frozen); -#endif -} - -/*! \reimp -*/ -void QGraphicsWebView::hoverMoveEvent(QGraphicsSceneHoverEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - QMouseEvent me = QMouseEvent(QEvent::MouseMove, - ev->pos().toPoint(), Qt::NoButton, - Qt::NoButton, Qt::NoModifier); - d->page->event(&me); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::hoverMoveEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::hoverLeaveEvent(QGraphicsSceneHoverEvent* ev) -{ - Q_UNUSED(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::mouseMoveEvent(QGraphicsSceneMouseEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::mouseMoveEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::mousePressEvent(QGraphicsSceneMouseEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::mousePressEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::mouseReleaseEvent(QGraphicsSceneMouseEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::mouseReleaseEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::mouseDoubleClickEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::keyPressEvent(QKeyEvent* ev) -{ - if (d->page) - d->page->event(ev); - - if (!ev->isAccepted()) - QGraphicsItem::keyPressEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::keyReleaseEvent(QKeyEvent* ev) -{ - if (d->page) - d->page->event(ev); - - if (!ev->isAccepted()) - QGraphicsItem::keyReleaseEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::focusInEvent(QFocusEvent* ev) -{ - if (d->page) - d->page->event(ev); - else - QGraphicsItem::focusInEvent(ev); -} - -/*! \reimp -*/ -void QGraphicsWebView::focusOutEvent(QFocusEvent* ev) -{ - if (d->page) - d->page->event(ev); - else - QGraphicsItem::focusOutEvent(ev); -} - -/*! \reimp -*/ -bool QGraphicsWebView::focusNextPrevChild(bool next) -{ - if (d->page) - return d->page->focusNextPrevChild(next); - - return QGraphicsWidget::focusNextPrevChild(next); -} - -/*! \reimp -*/ -void QGraphicsWebView::dragEnterEvent(QGraphicsSceneDragDropEvent* ev) -{ -#ifndef QT_NO_DRAGANDDROP - if (d->page) - d->page->event(ev); -#else - Q_UNUSED(ev); -#endif -} - -/*! \reimp -*/ -void QGraphicsWebView::dragLeaveEvent(QGraphicsSceneDragDropEvent* ev) -{ -#ifndef QT_NO_DRAGANDDROP - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsWidget::dragLeaveEvent(ev); -#else - Q_UNUSED(ev); -#endif -} - -/*! \reimp -*/ -void QGraphicsWebView::dragMoveEvent(QGraphicsSceneDragDropEvent* ev) -{ -#ifndef QT_NO_DRAGANDDROP - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsWidget::dragMoveEvent(ev); -#else - Q_UNUSED(ev); -#endif -} - -/*! \reimp -*/ -void QGraphicsWebView::dropEvent(QGraphicsSceneDragDropEvent* ev) -{ -#ifndef QT_NO_DRAGANDDROP - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsWidget::dropEvent(ev); -#else - Q_UNUSED(ev); -#endif -} - -#ifndef QT_NO_CONTEXTMENU -/*! \reimp -*/ -void QGraphicsWebView::contextMenuEvent(QGraphicsSceneContextMenuEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } -} -#endif // QT_NO_CONTEXTMENU - -#ifndef QT_NO_WHEELEVENT -/*! \reimp -*/ -void QGraphicsWebView::wheelEvent(QGraphicsSceneWheelEvent* ev) -{ - if (d->page) { - const bool accepted = ev->isAccepted(); - d->page->event(ev); - ev->setAccepted(accepted); - } - - if (!ev->isAccepted()) - QGraphicsItem::wheelEvent(ev); -} -#endif // QT_NO_WHEELEVENT - -/*! \reimp -*/ -void QGraphicsWebView::inputMethodEvent(QInputMethodEvent* ev) -{ - if (d->page) - d->page->event(ev); - - if (!ev->isAccepted()) - QGraphicsItem::inputMethodEvent(ev); -} - -/*! - \fn void QGraphicsWebView::statusBarMessage(const QString& text) - - This signal is emitted when the statusbar \a text is changed by the page. -*/ - -/*! - \fn void QGraphicsWebView::loadProgress(int progress) - - This signal is emitted every time an element in the web page - completes loading and the overall loading progress advances. - - This signal tracks the progress of all child frames. - - The current value is provided by \a progress and scales from 0 to 100, - which is the default range of QProgressBar. - - \sa loadStarted(), loadFinished() -*/ - -/*! - \fn void QGraphicsWebView::linkClicked(const QUrl &url) - - This signal is emitted whenever the user clicks on a link and the page's linkDelegationPolicy - property is set to delegate the link handling for the specified \a url. - - \sa QWebPage::linkDelegationPolicy() -*/ - -#endif // QT_NO_GRAPHICSVIEW - -#include "moc_qgraphicswebview.cpp" |