Re: Getting row numbers

[tj <999alfred comcast net>]

David Nečas (Yeti) wrote:

> On Wed, May 09, 2007 at 07:23:18AM -0400, tj wrote:
>  
>
> > I am having a terrible time trying to get the selected row number from a tree view, and it seems so easy using gtk_tree_selection_get_selected_rows();
> >
> > Snippet of code:
> >
> >    const gchar* txt;
> >    GtkTreeSelection  *selection;
> >    GtkTreeModel     *model;
> >    GtkTreeIter       iter;
> >    GtkTreeView* list = GTK_TREE_VIEW(lookup_widget(myWidget,
> > 							"theList"));
> >    
> >    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
> >    if (gtk_tree_selection_get_selected(selection, &model, &iter)){
> >      gchar *name;
> >      
> >      gtk_tree_model_get (model, &iter, 1, &name, -1);
> >      
> >      g_print ("selected row is: %s\n", name);
> >      
> >      g_free(name);
> >    }
> >    else{
> >      g_print ("no row selected.\n");
> >    }
> >    g_print("Number of selected rows = %d\n",
> > 	    gtk_tree_selection_count_selected_rows(selection))
> > ;
> >    GList *rows = gtk_tree_selection_get_selected_rows(selection,
> > 						       &model);
> >    GList *first = g_list_first (rows); 
> >    g_print("Selected row is %d\n", (gint *)first->data);
> >
> > Select row one anbd this is the output of the above:
> > selected row is:  This is row 1
> > Number of selected rows = 1
> > Selected row is 947368
> >    
>
> Citing http://developer.gnome.org/doc/API/2.0/gtk/GtkTreeSelection.html#gtk-tree-selection-get-selected-rows:
>
>    Returns: A GList containing a GtkTreePath for each selected row.
>
> In other words, the list consists of GtkTreePaths, not
> ints, so you print the pointer to the GtkTreePath (casted to
> an int) instead of the row number.  The reference also
> describes how to free the returned list properly.
>
> Yeti
>
> --
> http://gwyddion.net/
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>
>  
Ok, so how do I get the row number, from GtkTreePath, from 
GtkTreeRowReference? Where is it one of those. In fact, where are their 
struct defs? I look in /usr/include/gtk+-2.0 and All I find is thhe type 
def to it preceded by the '_'. But, no struct definition of 
_GtkTreeRowReference, etc.

tj