Re: Which column in a treeview did a user click in?

[Daniel Kasak <dkasak nusconsulting com au>]

muppet wrote:
> Daniel Kasak wrote:
>   
> > Hi all.
> >
> > I'd like to set up different things to happen when users click in ( or
> > at ) different columns in a treeview. At the moment, I'm connecting to
> > the treeview's button-press-event, but that doesn't let me figure out
> > which column the user was pointing at. Also, I'd like to be able to do
> > this both with columns that are editable, and columns that aren't editable.
> >
> > I've found that a TreeViewColumn has a 'clicked' signal, but that's only
> > for the column *heading*.
> >
> > Is this possible?
> >     
>
>
> > From Gtk2::TreeView(3pm):
>
>    path = $tree_view->get_path_at_pos ($x, $y)
>
>    (path, column, cell_x, cell_y) = $tree_view->get_path_at_pos ($x, $y)
>
>        * $x (integer)
>        * $y (integer)
>
>        Finds the path at the point ($x, $y), relative to widget coordi-
>        nates. That is, $x and $y are relative to an event’s coordinates.
>        $x and $y must come from an event on the $tree_view only where
>        "$event->window == $tree_view->get_bin_window". It is primarily for
>        things like popup menus.  In scalar context, returns the
>        Gtk2::TreePath, in array context, adds the Gtk2::TreeViewColumn,
>        and $x and $y translated to be relative to the cell.  This function
>        is only meaningful if $tree_view is realized.
>
>
> So, something like
>
>     $treeview->signal_connect (button_press_event => sub {
>             my ($treeview, $event) = @_;
>             if ($event->window == $treeview->get_bin_window) {
>                 # user clicked in the treeview proper, let's find
>                 # out exact-i-cally where:
>                 my ($path, $column, $cell_x, $cell_y) =
>                     $treeview->get_path_at_pos ($event->x, $event->y);
>                 # $path is the Gtk2::TreePath of the row of the click
>                 # $column is the Gtk2::TreeViewColumn of the click
>                 # $cell_x, $cell_y are the location within the
>                 # cell of the click.
>                 do_stuff (...);
>             }
>     });
>   

Thanks muppet :)

-- 
Daniel Kasak
IT Developer
NUS Consulting Group
Level 5, 77 Pacific Highway
North Sydney, NSW, Australia 2060
T: (+61) 2 9922-7676 / F: (+61) 2 9922 7989
email: dkasak nusconsulting com au
website: http://www.nusconsulting.com.au