Default delegate displays empty QLineEdit?

[wysota]

The delegate's edit functionality works on EditRole thus you have to return data from this role for your custom models and you have to accept data for this role in setData() if you want the default delegate to be able to edit your model.

[andy.fillebrown]

Ok, problem solved... from your replies it seemed likely the problem was in my code so I looked things over more carefully and found a bug in my QAbstractListModel::data reimplementation...

was:

[...]
 
if (role != Qt::DisplayRole || role != Qt::EditRole)
    return QVariant();
 
// return data...
 
[...]

[...]

if (role != Qt::DisplayRole || role != Qt::EditRole)
    return QVariant();

// return data...

[...]

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fixed:

[...]
 
if (role != Qt::DisplayRole && role != Qt::EditRole)
    return QVariant();
 
// return data...
 
[...]

[...]

if (role != Qt::DisplayRole && role != Qt::EditRole)
    return QVariant();

// return data...

[...]

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Thanks,
-andy.f