On Fri, 2007-08-31 at 17:10 +0200, Ferenc Gerlits wrote:
> Hi,
>
> There is a get_dest_row_at_pos() method in TreeView which sometimes
> returns null for a TreePath. The only way I could find for testing
> whether the path is null is through gobj(). Code snippet:
>
> ...
> Gtk::TreePath path;
> treeView->get_dest_row_at_pos (x, y, path, pos);
>
> if (path.gobj () != 0) {
> iter = treeModel->get_iter (path);
> } else {
> iter = treeModel->append ();
> }
> ...
>
> Is there a reason why get_dest_row_at_pos() returns null instead of an
> empty path? And is there a better way for testing whether a TreePath is
> null?
Can't you use the bool return value of get_dest_row_at_pos()?
http://www.gtkmm.org/docs/gtkmm-2.4/docs/reference/html/classGtk_1_1TreeView.html#2b526d239750a6f97ed15b3e5c0cc1de
Maybe we need an operator bool() for TreePath, so we can do
if(treepath). I don't think we've needed one before.
--
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www.murrayc.com
www.openismus.com
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