On 22 May 2015 at 21:56, mark diener <[email protected]> wrote:
> Hello:
>
> I have a test qmlRegisterSingletonType project as listed below.
>
> The singleton Q_INVOKABLE functions are somehow not visible or in
> "scope".
>
> Anybody have ideas about this?
>
> ##### sing.h
>
> #include <QObject>
>
> #include <QtQml>
>
> #include <QString>
>
> #include <QDebug>
>
>
> class Sing : public QObject
>
> {
>
> Q_OBJECT
>
> public:
>
> explicit Sing(QObject *gparent = 0) { Q_UNUSED(gparent) }
>
> ~Sing() { }
>
>
> Q_INVOKABLE int Buttonpress(QObject* gparm)
>
> {
>
> qDebug() << "ButtonPress:" << gparm ;
>
> return 22 ;
>
> }
>
>
> Q_INVOKABLE QString Getcolor(QObject* gparm)
>
> {
>
> qDebug() << "GetColor:" << gparm ;
>
> return "red" ;
>
> }
>
>
> public slots:
>
> signals:
>
>
> };
>
>
> ###### main.cpp
>
> #include <QApplication>#include <QQmlApplicationEngine>#include <QQmlEngine>
> #include "sing.h"
> static QObject *singprovider(QQmlEngine *gengine, QJSEngine *gscriptEngine){
> Q_UNUSED(gengine) Q_UNUSED(gscriptEngine) Sing* gsing = new Sing();
> return gsing;}
> int main(int argc, char *argv[]){ QApplication app(argc, argv);
> QQmlApplicationEngine engine;
> int gres = qmlRegisterSingletonType<Sing>("Singapi", 1, 0, "Sing",
> singprovider);
> qDebug() << "Register Singleton:" << gres ;
> engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
> return app.exec();}
>
> ###### main.qml
> import QtQuick 2.4import QtQuick.Controls 1.3import QtQuick.Window 2.2import
> QtQuick.Layouts 1.1import Singapi 1.0 as Sing
>
>
In this case, you should use Sing.Sing to access your singleton object , or
take out "as Sing" from the import statement.
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