QTableView queries

I am using a QTableView and QStandardItemModelto display 3 dimensional floating point arrays.
Three things I would want to know:

1. How to disable a cell or make it only readable?
2. Disable column selection when clicking the headerLabel of particular column?
3. There are 3 columns for X,Y & Z values. How to set their width so they can take equal horizontal space of tableView width?

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Originally Posted by prashant

1. How to disable a cell

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Don't return the Qt::ItemIsEnabled flag for it.

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or make it only readable?

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Don't return the Qt::ItemIsEditable flag for it.

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2. Disable column selection when clicking the headerLabel of particular column?

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Probably by reimplementing proper mouse events on QHeaderView.

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3. There are 3 columns for X,Y & Z values. How to set their width so they can take equal horizontal space of tableView width?

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See QHeaderView::setResizeMode.