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How do I transform the value in my model before displaying it in the TreeView?

April 26, 2017displaying model transform Treeview value

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How do I transform the value in my model before displaying it in the TreeView?

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It’s easy to have a gtk.CellRendererText render an integer i from your model, but it’s not so easy to render f(i). The solution hinges around gtk.TreeViewColumn.set_cell_data_func, using the original CellRendererText you supply to that column, and setting the renderer’s ‘text’ property.