I wanted to copy the contents of qquickwindowmodule.cpp (located in /home/andy/Qt/5.3/Src/qtdeclarative/src/quick/items/qquickwindowmodule.cpp) which contains the error message. I can't figure out why is the error message popping up when I run the application.
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/****************************************************
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquickwindowmodule_p.h"
#include "qquickscreen_p.h"
#include "qquickview_p.h"
#include <QtQuick/QQuickWindow>
#include <QtCore/QCoreApplication>
#include <QtQml/QQmlEngine>
#include <private/qguiapplication_p.h>
#include <private/qqmlengine_p.h>
#include <qpa/qplatformintegration.h>
QT_BEGIN_NAMESPACE
class QQuickWindowQmlImpl : public QQuickWindow, public QQmlParserStatus
{
Q_INTERFACES(QQmlParserStatus)
Q_OBJECT
Q_PROPERTY(bool visible READ isVisible WRITE setVisible NOTIFY visibleChanged)
Q_PROPERTY(Visibility visibility READ visibility WRITE setVisibility NOTIFY visibilityChanged)
public:
QQuickWindowQmlImpl(QWindow *parent = 0)
: QQuickWindow(parent)
, m_complete(false)
, m_visible(isVisible())
, m_visibility(AutomaticVisibility)
{
connect(this, &QWindow::visibleChanged, this, &QQuickWindowQmlImpl::visibleChanged);
connect(this, &QWindow::visibilityChanged, this, &QQuickWindowQmlImpl::visibilityChanged);
}
void setVisible(bool visible) {
if (!m_complete)
m_visible = visible;
else if (!transientParent() || transientParent()->isVisible())
QQuickWindow::setVisible(visible);
}
void setVisibility(Visibility visibility)
{
if (!m_complete)
m_visibility = visibility;
else
QQuickWindow::setVisibility(visibility);
}
Q_SIGNALS:
void visibleChanged(bool arg);
void visibilityChanged(QWindow::Visibility visibility);
protected:
void classBegin() {
QQmlEngine* e = qmlEngine(this);
//Give QQuickView behavior when created from QML with QQmlApplicationEngine
if (QCoreApplication::instance()->property("__qml_using_qqmlapplicationengine") == QVariant(true)) {
if (e && !e->incubationController())
e->setIncubationController(incubationController());
}
Q_ASSERT(e);
{
QV4::ExecutionEngine *v4 = QQmlEnginePrivate::getV4Engine(e);
QV4::Scope scope(v4);
QV4::ScopedObject v(scope, new (v4->memoryManager) QQuickRootItemMarker(e, this));
rootItemMarker = v;
}
}
void componentComplete() {
m_complete = true;
if (transientParent() && !transientParent()->isVisible()) {
connect(transientParent(), &QQuickWindow::visibleChanged, this,
&QQuickWindowQmlImpl::setWindowVisibility, Qt::QueuedConnection);
} else {
setWindowVisibility();
}
}
private Q_SLOTS:
void setWindowVisibility()
{
if (transientParent() && !transientParent()->isVisible())
return;
if (sender()) {
disconnect(transientParent(), &QWindow::visibleChanged, this,
&QQuickWindowQmlImpl::setWindowVisibility);
}
// We have deferred window creation until we have the full picture of what
// the user wanted in terms of window state, geometry, visibility, etc.
if ((m_visibility == Hidden && m_visible) || (m_visibility > AutomaticVisibility && !m_visible)) {
QQmlData *data = QQmlData::get(this);
Q_ASSERT(data && data->context);
QQmlError error;
error.setObject(this);
const QQmlContextData* urlContext = data->context;
while (urlContext && urlContext->url.isEmpty())
urlContext = urlContext->parent;
error.setUrl(urlContext ? urlContext->url : QUrl());
QString objectId = data->context->findObjectId(this);
if (!objectId.isEmpty())
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility' for Window '%1'").arg(objectId));
else
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility'"));
QQmlEnginePrivate::get(data->context->engine)->warning(error);
}
if (m_visibility == AutomaticVisibility) {
setWindowState(QGuiApplicationPrivate::platformIntegration()->defaultWindowState(flags()));
setVisible(m_visible);
} else {
setVisibility(m_visibility);
}
}
private:
bool m_complete;
bool m_visible;
Visibility m_visibility;
QV4::PersistentValue rootItemMarker;
};
void QQuickWindowModule::defineModule()
{
const char uri[] = "QtQuick.Window";
qmlRegisterType<QQuickWindow>(uri, 2, 0, "Window");
qmlRegisterRevision<QWindow,1>(uri, 2, 1);
qmlRegisterRevision<QWindow,2>(uri, 2, 2);
qmlRegisterRevision<QQuickWindow,1>(uri, 2, 1);//Type moved to a subclass, but also has new members
qmlRegisterRevision<QQuickWindow,2>(uri, 2, 2);
qmlRegisterType<QQuickWindowQmlImpl>(uri, 2, 1, "Window");
qmlRegisterUncreatableType<QQuickScreen>(uri, 2, 0, "Screen", QStringLiteral("Screen can only be used via the attached property."));
}
#include "qquickwindowmodule.moc"
QT_END_NAMESPACE
%%%%%%%%%%%%%%%%%55
