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Help: Fix funny blank page when opening same URL again

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For some reason the load() calls in the nested HelpViewer::setSource
calls lead to even more nesting because webkit decides to cancel loading
inbetween...... so we make the side bar viewer synchronization async on
the event loop.

Task-number: QTCREATORBUG-12742
Change-Id: I276272af7c477d627638e9611a34e80cca945b21
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
This commit is contained in:
Eike Ziller
2014-10-20 17:22:46 +02:00
parent c6ef3addcc
commit ccc6b09cce
2 changed files with 9 additions and 3 deletions
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9
src/plugins/help/helpplugin.cpp
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@@ -444,8 +444,13 @@ void HelpPlugin::updateSideBarSource()
void HelpPlugin::updateSideBarSource(const QUrl &newUrl)
{
if (m_rightPaneSideBarWidget)
m_rightPaneSideBarWidget->currentViewer()->setSource(newUrl);
if (m_rightPaneSideBarWidget) {
// This is called when setSource on the central widget is called.
// Avoid nested setSource calls (even of different help viewers) by scheduling the
// sidebar viewer update on the event loop (QTCREATORBUG-12742)
QMetaObject::invokeMethod(m_rightPaneSideBarWidget->currentViewer(), "setSource",
Qt::QueuedConnection, Q_ARG(QUrl, newUrl));
}
}
void HelpPlugin::fontChanged()