Sets the current keyboard focus to be at
path, and selects it.
This is useful when you want to focus the user’s attention on a particular row. If
focus_column is not
null, then focus is given to the column specified by it. Additionally, if
start_editing is true, then editing should be started in the specified cell. This
function is often followed by
gtk_widget_grab_focus (this) in order to give keyboard focus to the
widget. Please note that editing can only happen when the widget is realized.
path is invalid for
model, the current cursor (if any) will be unset and the function will return without failing.
A TreeViewColumn, or null
true if the specified cell should start being edited.