[Qt-interest] QStringListModel setStringList usage
Samuel Gaist
samuel.gaist at edeltech.ch
Wed Dec 22 10:17:30 CET 2010
Sorry, sent private first...
Hi,
On 22 déc. 2010, at 10:02, Francisco Gonzalez wrote:
> #include <QCoreApplication>
> #include <QStringListModel>
> #include <QDebug>
>
> class Test
> {
> private:
> QStringListModel *myModel;
> QStringList myList;
>
> public:
> void check()
> {
> qDebug() << myModel->stringList().size();
> qDebug() << myModel->stringList();
> };
>
> public:
> Test()
> {
>
> myList << "One" << "Two" << "Three" ;
>
**** The following line is the problem ****
> QStringListModel *myModel = new QStringListModel();
You are shadowing your class variable with this one
Your program should segfault when calling check()
And you have a memory leak (but this has nothing to do with your problem)
> myModel->setStringList(myList);
>
> qDebug() << myModel->stringList().size();
> qDebug() << myModel->stringList();
>
>
>
> };
> ~Test()
> {
You should delete your model here (to avoid the memory leak)
> };
> };
>
> int main(int argc, char *argv[])
> {
> QCoreApplication a(argc, argv);
> Test t;
> t.check();
>
> return 0;
> }
Hope this helps
Samuel
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