How to set 2 different settings in QStandardItem?

[TomNow99]

Hi,

I have QComboBox, QStandardItemModel and QStandardItems. I setItems in this model:

model->setItem(0,0,item);

and next I set this model in comboBox:

comboBox->setModel(model);

In this items, which I add to model ( and next to comboBox ) I set:

item->setFlags(Qt::ItemIsEnabled);

I need this flag.

I would like to see the blue color when my mouse cursor is on another item ( like hover ).

When I don't set flag "ItemIsEnabled" everything is ok - I see blue color. When I set this flag I don't see it.

I try add other flag:

item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);

Now I see blue color ( hover ), but my popup is hidden ( I don't want it - I use flag ItemIsEnabled to block this hide ).

How can I get this two things:

• don't hide popup when I click on it
• see blue hover
  In the same time.

I would like to do it with delegate or with flags. I would like to avoid reimplement hover event.

[JonB]

@TomNow99
I don't totally understand which you do/do not want. Read through https://doc.qt.io/qt-5/qt.html#ItemFlag-enum. Maybe you also want Qt::ItemIsEditable, I'm not sure:

item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable);

[TomNow99]

@JonB I solved this problem by add paint method in delegate.

My code:

void FocusControlDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
        QStyleOptionViewItem optionV4 = option;
        initStyleOption(&optionV4, index);

        QStyle *style = optionV4.widget ? optionV4.widget->style() : QApplication::style();

        if (option.state & QStyle::State_Selected) { //////////// new
            painter->setPen(Qt::white);
            painter->setBrush(option.palette.highlightedText());
        }

        style->drawControl(QStyle::CE_ItemViewItem, &option, painter, option.widget); // slightly changed

        QStyledItemDelegate::paint(painter,option,index);
}

Here I just replace code @mrjj from here:
https://forum.qt.io/topic/104677/when-using-a-custom-delegate-to-paint-the-items-of-a-qtablewidget-how-can-the-delegate-be-configured-to-use-the-correct-background-colour-for-selected-items/2

And I have other question ( maybe to @mrjj or somebody else ):
How can I change hover color in this function paint() in this delegate from lightblue to red?

I try change:

painter->setBrush(QBrush(Qt::red));

but with no result.

EDIT: @JonB In my last question I ask about:
QComboBox works like this: I click on QComboBox lineEdit ( that part where is arrow ), popup is shown, I click in one item on this popup list, popup is hidden, text in lineEdit is changed to item's text, which I clicked.

I would like to have situation with comboBox, when the popup is shown and I click on one of the item on the list, I would like don't hide popup ( like in combobox with checkboxes - I don't have to open many times combobox's popup to check many items ). And I can do that with flag:

Qt::ItemIsEnabled 

But when I set this flag I don't see the blue hover on item in this list, where I have mouse cursor.

The black arrow in the picture is this blue hover select. When I set flag Qt::ItemIsEnabled I don't see that hover blue color. So I tried return that hover color, but still have Qt::ItemIsEnabled flag.

[JonB]

@TomNow99 said in How to set 2 different settings in QStandardItem?:

How can I change hover color in this function paint() in this delegate from lightblue to red?

Is there a reason to want this way rather than :hover CSS selector?

[TomNow99]

@JonB I would like to do that with delegate. I also add EDIT in my last post for you. Now I think you understand my last problem :)