Error: 'qt_metatype_id' is not a member of 'QMetaTypeId<Nota>'



  • @
    #ifndef GESTORE_H
    #define GESTORE_H

    #include <QObject>
    #include <QStringList>
    #include "nota.h"

    class Gestore : public QObject
    {
    Q_OBJECT

    public:
    explicit Gestore(QObject *parent = 0);

    private:
    void visualizzamainwindow();
    QList<Nota> makeListnotes();
    QStringList makeTitleslist();

    signals:
    
    public slots:
    void visualizzaNotaAt(int index);
    

    };

    #endif // GESTORE_H
    @

    @
    #include "gestore.h"
    #include <QDeclarativeView>
    #include <QDeclarativeContext>
    #include <QGraphicsObject>
    #include <QDir>
    #include <QTextStream>

    Gestore::Gestore(QObject *parent) :
    QObject(parent)
    {
    this->visualizzamainwindow();
    }

    void Gestore::visualizzamainwindow()
    {
    QDeclarativeView *view = new QDeclarativeView;
    view->rootContext()->setContextProperty("listaTitoli", QVariant::fromValue(this->makeTitleslist()));
    view->setSource(QUrl::fromLocalFile("qml/createANote/main.qml"));
    view->show();

    QObject *boj = view->rootObject();
    QObject::connect(boj, SIGNAL(signal_visualizzaNotaAt(int)), this, SLOT(visualizzaNotaAt(int)));
    

    }

    QStringList Gestore::makeTitleslist()
    {
    QList<Nota> listnotes = this->makeListnotes();
    QStringList titleslist;
    int i = 0;
    while(i < listnotes.count())
    {
    titleslist.append(listnotes[i].getTitolo());
    i++;
    }
    return titleslist;
    }

    QList<Nota> Gestore::makeListnotes()
    {
    /*
    formato:
    [titolo]\n
    [contenuto] ENDN\n\n
    */
    QDir dir("C:/CreateANote");
    QList<Nota> listnotes;
    if(dir.exists())
    {
    QFile file("C:/CreateANote/listanote.txt");
    if(file.open(QIODevice::ReadOnly | QIODevice::Text))
    {
    QTextStream streami(&file);
    while(!streami.atEnd())
    {
    listnotes.append(Nota(streami.readLine(), streami.readLine()));
    qDebug("sono");
    }
    }
    }
    else
    {
    listnotes.append(Nota("Nessuna nota trovata", "Crea una nuova nota!"));
    qDebug("qui");
    }
    return listnotes;
    }

    void Gestore::visualizzaNotaAt(int index)//this is what does not start with...see under
    {
    QDeclarativeView view;
    view.rootContext()->setContextProperty("titolo", QVariant::fromValue(this->makeTitleslist().at(index)));
    view.rootContext()->setContextProperty("contenuto", QVariant::fromValue(this->makeListnotes().at(index)));
    view.setSource(QUrl::fromLocalFile("qml/createANote/nota.qml"));
    view.show();
    }
    @

    @
    #ifndef NOTA_H
    #define NOTA_H

    #include <QString>

    class Nota
    {
    public:
    Nota();
    Nota(QString newtitolo, QString newcontenuto);

    void setTitolo(const QString newtitolo)
    {
        titolo = newtitolo;
    }
    
    void setContenuto(const QString newcontenuto)
    {
        contenuto = newcontenuto;
    }
    
    QString getContenuto()
    {
        return contenuto;
    }
    
    QString getTitolo()
    {
        return titolo;
    }
    

    private:
    QString contenuto;
    QString titolo;
    };

    #endif // NOTA_H
    @

    @
    #include "nota.h"

    Nota::Nota()
    {
    }

    Nota::Nota(QString newtitolo, QString newcontenuto) :
    titolo(newtitolo), contenuto(newcontenuto)
    {

    }
    @

    main.qml
    @
    import QtQuick 1.0

    Rectangle {
    width: 360
    height: 640
    gradient: Gradient {
    GradientStop {
    position: 0
    color: "#f3e302"
    }

        GradientStop {
            position: 0.500
            color: "#e2ac17"
        }
    
        GradientStop {
            position: 1
            color: "#d76363"
        }
    }
    
    Image {
        id: image1
        x: 26
        y: 526
        width: 309
        height: 73
        smooth: true
        source: "pulsante_arancione.png"
    
        Text {
            id: text1
            x: 106
            y: 0
            width: 98
            height: 48
            text: qsTr("Crea una nota")
            smooth: true
            anchors.verticalCenterOffset: -13
            anchors.horizontalCenterOffset: 0
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.verticalCenter: parent.verticalCenter
            z: 1
            font.family: "Aquiline"
            font.pixelSize: 21
        }
    }
    
    signal signal_visualizzaNotaAt(int index);
    ListView {
        id: list_view1
        x: 26
        y: 30
        width: 309
        height: 462
        spacing: 5
        delegate:
            Column
            {
                spacing: 5; y: 15
                Rectangle { width: 300; height: 40; color: "transparent"; Text { anchors.centerIn: parent; text: modelData } MouseArea { anchors.fill: parent; onClicked: signal_visualizzaNotaAt(index) } }
                Rectangle { width: 300; height: 1; id: lineaDiSeparazione; color: "black" }
            }
        model: listaTitoli
    }
    

    }
    @

    nota.qml. this is what does not start
    @
    import QtQuick 1.0

    Rectangle {
    width: 360
    height: 640
    gradient: Gradient {
    GradientStop {
    position: 0
    color: "#3fc20f"
    }

        GradientStop {
            position: 0.460
            color: "#0ddd1e"
        }
    
        GradientStop {
            position: 1
            color: "#1aff72"
        }
    }
    
    property string titolo: "default title"
    property string contenuto: "default content"
    
    Flickable {
        id: flickable1
        x: 0
        y: 0
        width: 360
        height: 640
    
        Text {
            id: text2
            x: 30
            y: 74
            width: 295
            height: 459
            text: titolo
            clip: true
            smooth: true
            font.pixelSize: 12
        }
    
        Text {
            id: text1
            x: 30
            y: 32
            width: 295
            height: 21
            text: contenuto
            smooth: true
            font.pixelSize: 12
        }
    }
    

    }
    @


  • Moderators

    Looks like you have to register Nota "QMetaType":http://developer.qt.nokia.com/doc/qt-4.7/qmetatype.html

    Edit: This you have to "use":http://doc.qt.nokia.com/4.7/qmetatype.html#qRegisterMetaType for registration of your own types.


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