In Qt5, many of them are moved to QtWidgets, so this is the only way to be source compatible with both Qt 4 and Qt 5.
337 lines
7.9 KiB
C++
337 lines
7.9 KiB
C++
/*
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* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
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* Copyright 2010 Davide Bettio <davide.bettio@kdemail.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <QApplication>
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#include <QStyleOptionGraphicsItem>
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#include <fixx11h.h>
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#include <QtWebKit/QWebFrame>
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#include <QtWebKit/QWebPage>
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#include <QtCore/QTimer>
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#include <config-plasma.h>
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#ifndef PLASMA_NO_KIO
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#include <kio/accessmanager.h>
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#endif
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#include <kdebug.h>
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#include "animator.h"
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#include "plasma.h"
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#include "widgets/webview.h"
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#include "widgets/scrollwidget.h"
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#include "private/animablegraphicswebview_p.h"
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namespace Plasma
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{
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class WebViewPrivate
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{
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public:
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WebViewPrivate(WebView *parent)
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: q(parent)
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{
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}
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void loadingFinished(bool success);
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void dragTimeoutExpired();
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WebView *q;
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AnimableGraphicsWebView *webView;
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ScrollWidget *scrollWidget;
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bool loaded;
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};
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WebView::WebView(QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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d(new WebViewPrivate(this))
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{
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d->loaded = false;
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setAcceptTouchEvents(true);
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setAcceptsHoverEvents(true);
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setFlags(QGraphicsItem::ItemIsFocusable);
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d->scrollWidget = new Plasma::ScrollWidget(this);
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d->webView = new AnimableGraphicsWebView(d->scrollWidget);
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d->scrollWidget->setWidget(d->webView);
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d->scrollWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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d->scrollWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setDragToScroll(false);
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QPalette palette = qApp->palette();
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palette.setBrush(QPalette::Base, Qt::transparent);
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d->webView->page()->setPalette(palette);
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#ifndef PLASMA_NO_KIO
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d->webView->page()->setNetworkAccessManager(new KIO::AccessManager(d->webView->page()));
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#endif
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connect(d->webView, SIGNAL(loadProgress(int)),
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this, SIGNAL(loadProgress(int)));
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connect(d->webView, SIGNAL(loadFinished(bool)),
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this, SLOT(loadingFinished(bool)));
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connect(d->webView, SIGNAL(urlChanged(const QUrl &)),
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this, SIGNAL(urlChanged(const QUrl &)));
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}
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WebView::~WebView()
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{
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delete d;
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}
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void WebView::setUrl(const KUrl &url)
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{
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d->loaded = false;
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d->webView->load(url);
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}
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KUrl WebView::url() const
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{
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return d->webView->url();
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}
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void WebView::setHtml(const QByteArray &html, const KUrl &baseUrl)
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{
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d->loaded = false;
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d->webView->setContent(html, QString(), baseUrl);
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}
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void WebView::setHtml(const QString &html, const KUrl &baseUrl)
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{
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d->loaded = false;
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d->webView->setHtml(html, baseUrl);
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}
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QString WebView::html() const
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{
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return d->webView->page()->mainFrame()->toHtml();
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}
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QRectF WebView::geometry() const
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{
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if (d->loaded) {
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return QRectF(pos(), d->webView->page()->mainFrame()->geometry().size());
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} else {
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return QGraphicsWidget::geometry();
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}
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}
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QSizeF WebView::contentsSize() const
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{
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return d->webView->page()->mainFrame()->contentsSize();
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}
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void WebView::setScrollPosition(const QPointF &position)
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{
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d->webView->setScrollPosition(position);
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}
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QPointF WebView::scrollPosition() const
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{
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return d->webView->scrollPosition();
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}
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QRectF WebView::viewportGeometry() const
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{
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return d->webView->page()->mainFrame()->geometry();
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}
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qreal WebView::zoomFactor() const
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{
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return d->webView->zoomFactor();
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}
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void WebView::setZoomFactor(const qreal zoom)
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{
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d->webView->setZoomFactor(zoom);
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}
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void WebView::setPage(QWebPage *page)
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{
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d->webView->setPage(page);
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}
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QWebPage *WebView::page() const
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{
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return d->webView->page();
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}
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QWebFrame *WebView::mainFrame() const
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{
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return d->webView->page()->mainFrame();
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}
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void WebView::setDragToScroll(bool drag)
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{
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// enable / disable scrollbars
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if (drag) {
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mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
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mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
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} else {
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mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAsNeeded);
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mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAsNeeded);
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}
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d->webView->setDragToScroll(drag);
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d->scrollWidget->setFiltersChildEvents(drag);
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}
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bool WebView::dragToScroll()
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{
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return d->webView->dragToScroll();
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}
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void WebView::back()
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{
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d->webView->back();
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}
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void WebView::forward()
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{
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d->webView->forward();
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}
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void WebView::reload()
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{
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d->webView->reload();
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}
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void WebView::stop()
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{
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d->webView->stop();
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}
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void WebView::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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QGraphicsWidget::paint(painter, option, widget);
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}
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void WebView::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsWidget::mouseMoveEvent(event);
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}
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void WebView::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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QGraphicsWidget::hoverMoveEvent(event);
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}
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void WebView::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsWidget::mousePressEvent(event);
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}
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void WebView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsWidget::mouseDoubleClickEvent(event);
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}
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void WebView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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QGraphicsWidget::mouseReleaseEvent(event);
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}
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void WebView::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
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{
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QGraphicsWidget::contextMenuEvent(event);
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}
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void WebView::wheelEvent(QGraphicsSceneWheelEvent *event)
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{
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QGraphicsWidget::wheelEvent(event);
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}
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void WebView::keyPressEvent(QKeyEvent * event)
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{
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QGraphicsWidget::keyPressEvent(event);
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}
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void WebView::keyReleaseEvent(QKeyEvent * event)
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{
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QGraphicsWidget::keyReleaseEvent(event);
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}
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void WebView::focusInEvent(QFocusEvent * event)
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{
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QGraphicsWidget::focusInEvent(event);
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}
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void WebView::focusOutEvent(QFocusEvent * event)
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{
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QGraphicsWidget::focusOutEvent(event);
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}
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void WebView::dragEnterEvent(QGraphicsSceneDragDropEvent * event)
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{
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QGraphicsWidget::dragEnterEvent(event);
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}
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void WebView::dragLeaveEvent(QGraphicsSceneDragDropEvent * event)
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{
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QGraphicsWidget::dragLeaveEvent(event);
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}
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void WebView::dragMoveEvent(QGraphicsSceneDragDropEvent * event)
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{
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QGraphicsWidget::dragMoveEvent(event);
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}
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void WebView::dropEvent(QGraphicsSceneDragDropEvent * event)
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{
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QGraphicsWidget::dropEvent(event);
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}
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QVariant WebView::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (change == QGraphicsItem::ItemSceneHasChanged) {
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//FIXME: QWebPage _requires_ a QWidget view to not crash in places such as
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// WebCore::PopupMenu::show() due to hostWindow()->platformPageClient() == NULL
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// because QWebPage::d->client is NULL
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//d->webView->page()->setView(viewFor(this));
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}
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return QGraphicsWidget::itemChange(change, value);
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}
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void WebView::setGeometry(const QRectF &geometry)
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{
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QGraphicsWidget::setGeometry(geometry);
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d->scrollWidget->setGeometry(QRectF(0, 0, geometry.width(), geometry.height()));
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d->webView->setGeometry(d->scrollWidget->viewportGeometry());
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}
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QSizeF WebView::sizeHint(Qt::SizeHint which, const QSizeF & constraint) const
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{
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if (which == Qt::PreferredSize) {
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return d->webView->page()->mainFrame()->contentsSize();
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} else {
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return QGraphicsWidget::sizeHint(which, constraint);
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}
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}
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void WebViewPrivate::loadingFinished(bool success)
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{
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loaded = success;
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q->updateGeometry();
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emit q->loadFinished(success);
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q->update();
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}
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} // namespace Plasma
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