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Fix bad virtual cast on qml surface destruction

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This commit is contained in:
Brad Davis 2018-04-27 08:09:31 -07:00
parent 2662dc9b4e
commit 4db83230ce
2 changed files with 17 additions and 10 deletions
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23
libraries/ui/src/ui/OffscreenQmlSurface.cpp
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@ -223,6 +223,17 @@ void AudioHandler::run() {
qDebug() << "QML Audio changed to " << _newTargetDevice;
}
OffscreenQmlSurface::~OffscreenQmlSurface() {
clearFocusItem();
}
void OffscreenQmlSurface::clearFocusItem() {
if (_currentFocusItem) {
disconnect(_currentFocusItem, &QObject::destroyed, this, &OffscreenQmlSurface::focusDestroyed);
}
_currentFocusItem = nullptr;
}
void OffscreenQmlSurface::initializeEngine(QQmlEngine* engine) {
Parent::initializeEngine(engine);
new QQmlFileSelector(engine);
@ -545,17 +556,15 @@ bool OffscreenQmlSurface::handlePointerEvent(const PointerEvent& event, class QT
}
void OffscreenQmlSurface::focusDestroyed(QObject* obj) {
if (_currentFocusItem) {
disconnect(_currentFocusItem, &QObject::destroyed, this, &OffscreenQmlSurface::focusDestroyed);
}
_currentFocusItem = nullptr;
clearFocusItem();
}
void OffscreenQmlSurface::onFocusObjectChanged(QObject* object) {
clearFocusItem();
QQuickItem* item = static_cast<QQuickItem*>(object);
if (!item) {
setFocusText(false);
_currentFocusItem = nullptr;
return;
}
@ -563,10 +572,6 @@ void OffscreenQmlSurface::onFocusObjectChanged(QObject* object) {
qApp->sendEvent(object, &query);
setFocusText(query.value(Qt::ImEnabled).toBool());
if (_currentFocusItem) {
disconnect(_currentFocusItem, &QObject::destroyed, this, 0);
}
// Raise and lower keyboard for QML text fields.
// HTML text fields are handled in emitWebEvent() methods - testing READ_ONLY_PROPERTY prevents action for HTML files.
const char* READ_ONLY_PROPERTY = "readOnly";

4
libraries/ui/src/ui/OffscreenQmlSurface.h
View file

@ -22,7 +22,8 @@ class OffscreenQmlSurface : public hifi::qml::OffscreenSurface {
Q_OBJECT
Q_PROPERTY(bool focusText READ isFocusText NOTIFY focusTextChanged)
public:
~OffscreenQmlSurface();
static void addWhitelistContextHandler(const std::initializer_list<QUrl>& urls, const QmlContextCallback& callback);
static void addWhitelistContextHandler(const QUrl& url, const QmlContextCallback& callback) { addWhitelistContextHandler({ { url } }, callback); };
@ -58,6 +59,7 @@ public slots:
void sendToQml(const QVariant& message);
protected:
void clearFocusItem();
void setFocusText(bool newFocusText);
void initializeEngine(QQmlEngine* engine) override;
void onRootContextCreated(QQmlContext* qmlContext) override;