diff options
Diffstat (limited to 'src/quick/items/context2d/qquickcanvasitem.cpp')
-rw-r--r-- | src/quick/items/context2d/qquickcanvasitem.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/quick/items/context2d/qquickcanvasitem.cpp b/src/quick/items/context2d/qquickcanvasitem.cpp index b772ed97d2..1167f408f5 100644 --- a/src/quick/items/context2d/qquickcanvasitem.cpp +++ b/src/quick/items/context2d/qquickcanvasitem.cpp @@ -640,6 +640,17 @@ void QQuickCanvasItem::releaseResources() } } +bool QQuickCanvasItem::event(QEvent *event) +{ + switch (event->type()) { + case QEvent::PolishRequest: + polish(); + return true; + default: + return QQuickItem::event(event); + } +} + void QQuickCanvasItem::invalidateSceneGraph() { Q_D(QQuickCanvasItem); @@ -651,6 +662,12 @@ void QQuickCanvasItem::invalidateSceneGraph() d->textureProvider = 0; } +void QQuickCanvasItem::schedulePolish() +{ + auto polishRequestEvent = new QEvent(QEvent::PolishRequest); + QCoreApplication::postEvent(this, polishRequestEvent); +} + void QQuickCanvasItem::componentComplete() { QQuickItem::componentComplete(); @@ -892,8 +909,9 @@ void QQuickCanvasItem::requestAnimationFrame(QQmlV4Function *args) d->animationCallbacks.insert(++id, QV4::PersistentValue(scope.engine, f->asReturnedValue())); + // QTBUG-55778: Calling polish directly here can lead to a polish loop if (isVisible()) - polish(); + schedulePolish(); args->setReturnValue(QV4::Encode(id)); } |