Merge pull request 'Added new function' (#39) from YanTheKaller/libublsettings-gtk3:master into master

Reviewed-on: #39

source/libublsettings-gtk3-tree-view.c

@@ -165,4 +165,12 @@ int yon_gtk_tree_view_set_fixed_size(GtkTreeView *target,...){
     }
     va_end(args);
     return 1;
+}
+
+void yon_tree_model_sort_filter_get_model_iter(GtkTreeModelSort *target, GtkTreeIter *iter, GtkTreeIter *converted_iter){
+    GtkTreeIter filter_iter;
+    GtkTreeModel *filter_model = gtk_tree_model_sort_get_model(target);
+    GtkTreeModel *model = gtk_tree_model_filter_get_model(GTK_TREE_MODEL_FILTER(filter_model));
+    gtk_tree_model_sort_convert_iter_to_child_iter(target,&filter_iter,iter);
+    gtk_tree_model_filter_convert_iter_to_child_iter(GTK_TREE_MODEL_FILTER(filter_model),converted_iter,&filter_iter);
 }

source/libublsettings-gtk3.h

@@ -321,6 +321,8 @@ void yon_gtk_toggle_button_set_inactive_from_toggle_button(GtkToggleButton *self
 
 int yon_gtk_tree_view_set_fixed_size(GtkTreeView *target, ...);
 
+void yon_tree_model_sort_filter_get_model_iter(GtkTreeModelSort *target, GtkTreeIter *iter, GtkTreeIter *converted_iter);
+
 //status section
 typedef enum
 {