[Interest] SingletonType functions not visible in QML

[Dmitry Volosnykh]

Also try naming your functions with first letter lowercased.

On Fri, May 22, 2015 at 5:06 PM, Ben Lau <xbenlau at gmail.com> wrote:

>
>
> On 22 May 2015 at 21:56, mark diener <rpzrpzrpz at gmail.com> 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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