listWidget select item, return index?

[noborder]

Need right way to recieve item index when changed to another item

need use currentRowChanged ? How?

i have

void View::unzipdone(QString namepath)
{
    QDir dir(namepath);
    uint i = 1;
    QStringList filters;
 
    filters << "*.jpg" << "*.png" << "*.bmp";
    dir.setNameFilters(filters);
 
    foreach (QFileInfo mitm, dir.entryInfoList())
    {
        ui->listWidget->addItem("picture "+QString::number(i));
        i++;
    }
}

void View::unzipdone(QString namepath)
{
    QDir dir(namepath);
    uint i = 1;
    QStringList filters;

    filters << "*.jpg" << "*.png" << "*.bmp";
    dir.setNameFilters(filters);

    foreach (QFileInfo mitm, dir.entryInfoList())
    {
        ui->listWidget->addItem("picture "+QString::number(i));
        i++;
    }
}

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[Santosh Reddy]

Could you reword the question?

From where you want to send item (emit signal) view/model/item?
To where you want to receive item index (slotl) view/model/item?

[noborder]

when activate item in listWidget (via mouse click, or keyboard) emit signal with item index.

i do

void View::unzipdone(QString namepath)
{
    QDir dir(namepath);
    uint i = 1;
    QStringList filters;
 
    filters << "*.jpg" << "*.png" << "*.bmp";
    dir.setNameFilters(filters);
 
    foreach (QFileInfo mitm, dir.entryInfoList())
    {
        ui->listWidget->addItem("picture "+QString::number(i));
        i++;
    }
    connect(ui->listWidget, SIGNAL(currentRowChanged(int)), &m_imageviewer, SLOT(picindex(int)));  //error
}

void View::unzipdone(QString namepath)
{
    QDir dir(namepath);
    uint i = 1;
    QStringList filters;

    filters << "*.jpg" << "*.png" << "*.bmp";
    dir.setNameFilters(filters);

    foreach (QFileInfo mitm, dir.entryInfoList())
    {
        ui->listWidget->addItem("picture "+QString::number(i));
        i++;
    }
    connect(ui->listWidget, SIGNAL(currentRowChanged(int)), &m_imageviewer, SLOT(picindex(int)));  //error
}

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recieve error : no matching function for call to 'ComicView::connect(QListWidget*&, const char*, ImageViewer*, const char*)'
????

[Zlatomir]

try:

QObject::connect(ui->listWidget, SIGNAL(currentRowChanged(int)), &m_imageviewer, SLOT(picindex(int)));

QObject::connect(ui->listWidget, SIGNAL(currentRowChanged(int)), &m_imageviewer, SLOT(picindex(int)));

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i'm not sure that will help, you have some modifications (at least ComicView from error and View:: in code) after you got the error you told us, so if that won't help post the updated code and error message.

Also are you sure that you want to connect when unzipdone (instead of for example in the ComicView constructor)?
And make sure that m_imageviewer stays alive as long as you need it to receive the changes to selection.

[noborder]

Found error

m_imageviewer isn`t inherited from QObject

thx