How to tagging QTreewidget items?

flote21

I am pretty new in python (and this is my first post here). so Hello everyone!

I developed a Treeview widget using Tkinter. I used the next code sentence to create the Treeview items and subitems with Tkinter:

 Treeview.insert("", END, text=NAMESTRUCTURE + lst_ws[n_sheet],                    
            iid=lst_ws[n_sheet], tags=("mytag",))


 Treeview.insert(profile_split[0], END, text=NAMEPROFILE + profile_split[1],
                iid=profile, tags=("mytag",))

Therefore, every item on Tkinter Treeview had its only specific "tag" and thanks to this method I was able to get coordinates of the item in the Treeview:

   def treeItemSel(self, event):
   # get the tree selected item
    tree_coords = (self.tree_view.winfo_pointerx() - self.tree_view.winfo_rootx(),
                   self.tree_view.winfo_pointery() - self.tree_view.winfo_rooty())
    tree_item = self.tree_view.identify('item', *tree_coords)

Currently I am migrating the previous python code because I want to use the QT GUI. But I am wondering how to create a Treeview with tags and how to get the coordinates of the Treeview items when one of them is selected.

Note: To create a Treeview with PyQt I used Qt.QTreeWidgetItem but it doesn't create a specific tag for every item.

The reason because I would like to have a "tag" or some kind of identification is because I want to load different pictures according to the treeview item selected. And the name of the pic is different to the name of the treeview item. So I need to find a solution in Qt GUI to make a relation between the name of the picture and name of the Qtreeview item. Any idea?

Thanks in advance.

Greetings

SGaist

Hi and welcome to devnet,

That's something you should rather store at the model level.

If you are using the QTreeWidget, you can create items by passing a string and an image for example.

Bonnie

The selected items can be got from

QList<QTreeWidgetItem *> QTreeWidget::selectedItems() const

And the rect of a visible item can be get from

QRect QTreeWidget::visualItemRect(const QTreeWidgetItem *item) const

But the rect is relative to its parent, not global. You will need to map it if you want global coordinate.

There is no "TAG" in QTreeWidgetItem, but like @SGaist said an item can have an image (as icon) and a string (as name) at the same time.
If you still need to store other information, you can set user defined data to it.

void QTreeWidgetItem::setData(int column, int role, const QVariant &value)

You can define a number as role, but must equal or bigger than Qt::UserRole, and set any kind of data as value.
The value can be retrieved by:

 QVariant QTreeWidgetItem::data(int column, int role) const

If you set a QString as value, you can convert the retrieved QVariant by:

QString QVariant::toString() const