[Qt-interest] Memory Management in Qt

[Rohan McGovern]

Ramesh said:
> HI all,
> I have small doubt about Qt memory management,
> 
> Lets take an example of Listview, in listview we add each item by allocating memory dynamically. So in this case do we need to delete all the “new”ed items manually..
> 
> Eg:
> 
> Qlistview *list = new Qlistview;
> QStandardItemModel  *mModel = new QStandardItemModel();
> list ->setModel(mModel);
> 
> for(int I =0;i<10;i++)
> {
> QsandardItem *item = new QsandardItem(“Hi”);
> mModel->appendRow(item);
> }
> 
> In this example, item should be deleted manually?

No - the model takes ownership of the item, it'll be deleted when the
model is deleted.

There is an exception if you use the take* functions, though - these
will cause the model to release ownership of items.
-- 
Rohan McGovern
QA Engineer
Qt Development Frameworks, Nokia