Re: GtkTree, cell with toggle

[p s <tuxnduke welho com>]

Guess what, that's exactly where I took the example when beginning this 
one, but just can't get past this issue with the hints hidden there. But 
thanks for the huge efford any way tod.

P_s

Todd Fisher wrote:
> you should have a look at this tutorial:
> http://scentric.net/tutorial/sec-editable-cells.html
>
> p s wrote:
>
> > I have created a table with GtkTree and on one colums I have a 
> > chechbox to indicate certain boolean value... All in all the tree 
> > works ok, renders properly and I have sortable/clickable headers in 
> > the table and that too works. I experience a problem on a callback 
> > where the checkbox is clicked..
> >
> > currently I have:
> >
> > static GtkTreeView * tree;
> > static GtkTreeStore *store;
> > ...
> >
> > store = gtk_tree_store_new (N_COLUMNS,
> >                 G_TYPE_INT,
> >                 G_TYPE_STRING,
> >                 G_TYPE_STRING,
> >                 G_TYPE_INT,
> >                 G_TYPE_STRING,
> >                 G_TYPE_BOOLEAN,  //THE PROBLEM COLUMN
> >                 G_TYPE_STRING);
> >
> > GtkTreeModel * sort_model;
> > sort_model = gtk_tree_model_sort_new_with_model(GTK_TREE_MODEL(store));
> > gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sort_model),
> >         ID_COLUMN, GTK_SORT_ASCENDING );
> >     tree = gtk_tree_view_new_with_model (GTK_TREE_MODEL 
> > (sort_model));   ....
> > renderer = gtk_cell_renderer_toggle_new ();
> > column = gtk_tree_view_column_new_with_attributes ("Loaned", 
> >                                       renderer,"active", 
> > LOANED_CHECK_COLUMN, NULL);
> > g_signal_connect_swapped(G_OBJECT(column),"clicked",G_CALLBACK(sort),(int 
> > *)LOANED_CHECK_COLUMN);
> >
> > gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);   ....
> >
> > then I have the callBack:
> >
> > static void cell_toggled_callback (GtkCellRendererToggle *cell, gchar 
> > * path_string, gpointer user_data)
> > {       GtkTreeIter iter;
> >     GtkTreeModel * sort_model;
> >     GtkTreeModel * model;
> >     // tree is static so I get the model out of it..
> >     model = gtk_tree_view_get_model (tree);
> >                if(gtk_tree_model_get_iter_from_string(model, &iter, 
> > path_string))
> >     {
> >         gtk_tree_store_set_value (store, &iter, LOANED_CHECK_COLUMN, 
> > TRUE );
> >     }
> > }
> >
> > I get:
> >
> > (moviecatalog:21175): Gtk-CRITICAL **: file gtktreestore.c: line 912 
> > (gtk_tree_store_set_value): assertion `VALID_ITER (iter, tree_store)' 
> > failed
> >
> > ANd the toggle is not updated to checked..
> >
> > Any clues any one ?
> >
> > TIA,
> > P_s
> > _______________________________________________
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