/*
* Set an GtkTreeModel visible filter on this commodity. This filter will be
* called for each commodity that the tree is about to show, and the
* commodity will be passed to the callback function.
*/
void
gnc_tree_view_commodity_set_filter (GncTreeViewCommodity *view,
gnc_tree_view_commodity_ns_filter_func ns_func,
gnc_tree_view_commodity_cm_filter_func cm_func,
gpointer data,
GDestroyNotify destroy)
{
GtkTreeModel *f_model, *s_model;
filter_user_data *fd = data;
g_return_if_fail(GNC_IS_TREE_VIEW_COMMODITY(view));
g_return_if_fail((ns_func != NULL) || (cm_func != NULL));
ENTER("view %p, ns func %p, cm func %p, data %p, destroy %p",
view, ns_func, cm_func, data, destroy);
fd = g_malloc(sizeof(filter_user_data));
fd->user_ns_fn = ns_func;
fd->user_cm_fn = cm_func;
fd->user_data = data;
fd->user_destroy = destroy;
s_model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (f_model),
gnc_tree_view_commodity_filter_helper,
fd,
gnc_tree_view_commodity_filter_destroy);
/* Whack any existing levels. The top two levels have been created
* before this routine can be called. */
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (f_model));
LEAVE(" ");
}
/*
* Retrieve the selected commodity from an commodity tree view. The
* commodity tree must be in single selection mode.
*/
gnc_commodity *
gnc_tree_view_commodity_get_selected_commodity (GncTreeViewCommodity *view)
{
GtkTreeSelection *selection;
GtkTreeModel *model, *f_model, *s_model;
GtkTreeIter iter, f_iter, s_iter;
gnc_commodity *commodity;
g_return_val_if_fail (GNC_IS_TREE_VIEW_COMMODITY (view), NULL);
ENTER("view %p", view);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(view));
if (!gtk_tree_selection_get_selected (selection, &s_model, &s_iter))
{
LEAVE("no commodity, get_selected failed");
return FALSE;
}
gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (s_model),
&f_iter, &s_iter);
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER (f_model),
&iter, &f_iter);
model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
commodity = gnc_tree_model_commodity_get_commodity (GNC_TREE_MODEL_COMMODITY(model),
&iter);
LEAVE("commodity %p (%s)", commodity,
commodity ? gnc_commodity_get_mnemonic(commodity) : "");
return commodity;
}
/************************************************************/
#define debug_path(fn, path) { \
gchar *path_string = gtk_tree_path_to_string(path); \
fn("tree path %s", path_string); \
g_free(path_string); \
}
#if 0 /* Not Used */
static gboolean
gnc_tree_view_commodity_get_iter_from_commodity (GncTreeViewCommodity *view,
gnc_commodity *commodity,
GtkTreeIter *s_iter)
{
GtkTreeModel *model, *f_model, *s_model;
GtkTreeIter iter, f_iter;
g_return_val_if_fail(GNC_IS_TREE_VIEW_COMMODITY(view), FALSE);
g_return_val_if_fail(commodity != NULL, FALSE);
g_return_val_if_fail(s_iter != NULL, FALSE);
ENTER("view %p, commodity %p (%s)", view, commodity, gnc_commodity_get_mnemonic(commodity));
/* Reach down to the real model and get an iter for this commodity */
s_model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
f_model = gtk_tree_model_sort_get_model(GTK_TREE_MODEL_SORT(s_model));
model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(f_model));
if (!gnc_tree_model_commodity_get_iter_from_commodity (GNC_TREE_MODEL_COMMODITY(model), commodity, &iter))
{
LEAVE("model_get_iter_from_commodity failed");
return FALSE;
}
/* convert back to a sort iter */
gtk_tree_model_filter_convert_child_iter_to_iter (GTK_TREE_MODEL_FILTER(f_model),
&f_iter, &iter);
gtk_tree_model_sort_convert_child_iter_to_iter (GTK_TREE_MODEL_SORT(s_model),
s_iter, &f_iter);
LEAVE(" ");
return TRUE;
}
static void
gnc_tree_view_commodity_finalize (GObject *object)
{
g_return_if_fail (object != NULL);
g_return_if_fail (GNC_IS_TREE_VIEW_COMMODITY (object));
ENTER("view %p", object);
if (G_OBJECT_CLASS (parent_class)->finalize)
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
LEAVE(" ");
}
static void
gnc_tree_view_commodity_destroy (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GNC_IS_TREE_VIEW_COMMODITY (widget));
ENTER("view %p", widget);
if (GTK_WIDGET_CLASS (parent_class)->destroy)
(* GTK_WIDGET_CLASS (parent_class)->destroy) (widget);
LEAVE(" ");
}
static void
gnc_tree_view_commodity_destroy (GtkObject *object)
{
g_return_if_fail (object != NULL);
g_return_if_fail (GNC_IS_TREE_VIEW_COMMODITY (object));
ENTER("view %p", object);
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
LEAVE(" ");
}
/*
* Forces the entire commodity tree to be re-evaluated for visibility.
*/
void
gnc_tree_view_commodity_refilter (GncTreeViewCommodity *view)
{
GtkTreeModel *f_model, *s_model;
g_return_if_fail(GNC_IS_TREE_VIEW_COMMODITY(view));
ENTER("view %p", view);
s_model = gtk_tree_view_get_model (GTK_TREE_VIEW(view));
f_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (s_model));
gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (f_model));
LEAVE(" ");
}
