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runjavascript async->sync

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xiaoyifang 2021-12-01 22:26:33 +08:00 committed by yifang
parent 5f86c33f8d
commit 9b179dac3c
2 changed files with 16 additions and 11 deletions
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27
articleview.cc
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@ -181,16 +181,22 @@ QString ArticleView::runJavaScriptSync(QWebEnginePage* frame, const QString& var
qDebug(QString("runJavascriptScriptSync with :%1").arg(variable).toLatin1().data());
QString result;
QEventLoop loop;
QObject::connect(this, SIGNAL(notifyJavascriptFinished()), &loop, SLOT(quit()));
frame->runJavaScript(variable, [&](const QVariant &v)
//QEventLoop loop;
//QObject::connect(this, SIGNAL(notifyJavascriptFinished()), &loop, SLOT(quit()));
QSharedPointer<QEventLoop> loop = QSharedPointer<QEventLoop>(new QEventLoop());
QTimer::singleShot(1000, loop.data(), &QEventLoop::quit);
frame->runJavaScript(variable, [loop,&result](const QVariant &v)
{
if(v.isValid())
result = v.toString();
emitJavascriptFinished();
if(loop->isRunning()){
if(v.isValid())
result = v.toString();
loop->quit();
}
//this->emitJavascriptFinished();
});
loop.exec();
loop->exec();
return result;
}
@ -326,7 +332,7 @@ ArticleView::ArticleView( QWidget * parent, ArticleNetworkAccessManager & nm,
//connect( &inspectAction, SIGNAL( triggered() ), this, SLOT( inspect() ) );
QWebEngineView *m_pNewView;
QWebEnginePage *page = ui.definition;
QWebEnginePage *page = ui.definition->page();
connect(&inspectAction, &QAction::triggered, this, [page, m_pNewView]() mutable
{
m_pNewView = new QWebEngineView();
@ -2605,8 +2611,7 @@ QString ArticleView::getWebPageTextSync(QWebEnginePage * page){
QString planText;
QEventLoop loop;
page->toPlainText([&](const QString & result){
if(result.valid())
planText = result;
planText = result;
loop.quit();
});
@ -2783,7 +2788,7 @@ QString ArticleView::insertSpans( QString const & html )
QString ArticleView::checkElement( QWebEnginePage & page, QPoint const & pt )
{
return runJavaScriptSync(page, QString(
return runJavaScriptSync(&page, QString(
" var a= document.elementFromPoint(%1,%2);"
"var nodename=a.nodeName.toLowerCase();"
"if(nodename==\"body\"||nodename==\"html\"||nodename==\"head\")"

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winlibs/lib/libzstd.a
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