How to create a tree widget from QList

jsulm

@suslucoder said in How to create a tree widget from QList:

but it added the first row always, or should i say column i guess

Please use correct wording, else it is hard to understand.
Do you mean you only got one row with all elements of gpsList as columns?
This is exactly what your code is doing.
I ask you again to take a look at the link I posted, especially this part:

QTreeWidget *treeWidget = new QTreeWidget();
treeWidget->setColumnCount(1);
QList<QTreeWidgetItem *> items;
for (int i = 0; i < 10; ++i)
    items.append(new QTreeWidgetItem(static_cast<QTreeWidget *>(nullptr), QStringList(QString("item: %1").arg(i))));
treeWidget->insertTopLevelItems(0, items);

deleted286

@jsulm ı understand it, but i dont understand how can i append my QList instead of items

jsulm

@suslucoder

treeWidget->setColumnCount(1);
QList<QTreeWidgetItem *> items;
for (int i = 0; i < gpsList.size(); ++i)
    items.append(new QTreeWidgetItem(static_cast<QTreeWidget *>(nullptr), QStringList() << gpsList.at(i)));
treeWidget->insertTopLevelItems(0, items);

deleted286

@jsulm I did it like that, is there anything seems wrong?

```
   QTreeWidgetItem *imu = new QTreeWidgetItem(ui->treeWidget2);
  imu->setText(0, tr("IMU"));

QList<QTreeWidgetItem *> imu_items;
for (int i = 0; i<imuList.size(); ++i)
{
    imu_items.append(new QTreeWidgetItem(static_cast<QTreeWidget *>(nullptr), QStringList(imuList.at(i))));
}
imu->addChildren(imu_items);

jsulm

@suslucoder said in How to create a tree widget from QList:

is there anything seems wrong?

No.
Does it work?

deleted286

@jsulm yes, but i wonder is there any logical error of my code.
Thank you

deleted286

@suslucoder How i have second column, and i want to add something to my child object.
Should i create new tree widget items?

jsulm

@suslucoder Change treeWidget->setColumnCount(1); to treeWidget->setColumnCount(2); And then add your second column in each item:

imu_items.append(new QTreeWidgetItem(static_cast<QTreeWidget *>(nullptr), QStringList(imuList.at(i) << "SECOND_COLUMN_VALUE")));

deleted286

@jsulm my second column value is coming from a list again, does the code work that you suggest me in that case

deleted286

@suslucoder yes it works. thank you