[Qt-interest] QTreeView custom sorted columns

[Robert Reif]

Robert Reif wrote:
> Robert Reif wrote:
>   
>> I'm new to QT and am trying to modify an existing application (cppcheck 
>> gui) to sort the QTreeView column containing line numbers (2) properly.
>>
>> I'm doing this using a QSortFilterProxyModel with an overridden 
>> lessThan.  The sorting woks but I get the following error repeated many 
>> times when running it:
>>
>> QSortFilterProxyModel: index from wrong model passed to mapToSource
>>   
>>     
> Here is a link to the cppcheck ticket with more info:
>
> https://sourceforge.net/apps/trac/cppcheck/ticket/1006
>
>   
Here is the line of code that generates the error message:

    setRowHidden(parent->rowCount() - 1, parent->index(), hide);

This is right after this line:

    parent->appendRow(list);

where a new row is added to the tree view.

Does anyone have any ideas where to go from here?