// SelectedIter returns the iter matching the selected line.
//
func SelectedIter(model *gtk.ListStore, selection *gtk.TreeSelection) (*gtk.TreeIter, error) {
if selection.CountSelectedRows() == 0 {
return nil, errors.New("no line selected")
}
_, iter, ok := selection.GetSelected()
if !ok {
return nil, errors.New("SelectedIter: GetSelected failed")
}
return iter, nil
}
// Handle selection
func treeSelectionChangedCB(selection *gtk.TreeSelection) {
var iter *gtk.TreeIter
var model gtk.ITreeModel
var ok bool
model, iter, ok = selection.GetSelected()
if ok {
tpath, err := model.(*gtk.TreeModel).GetPath(iter)
if err != nil {
log.Printf("treeSelectionChangedCB: Could not get path from model: %s\n", err)
return
}
log.Printf("treeSelectionChangedCB: selected path: %s\n", tpath)
}
}
// Handler of "changed" signal of TreeView's selection
func SelectionChanged(s *gtk.TreeSelection) {
// Returns glib.List of gtk.TreePath pointers
rows := s.GetSelectedRows(ListStore)
items := make([]string, 0, rows.Length())
for l := rows; l != nil; l = l.Next() {
path := l.Data().(*gtk.TreePath)
iter, _ := ListStore.GetIter(path)
value, _ := ListStore.GetValue(iter, 0)
str, _ := value.GetString()
items = append(items, str)
}
Entry.SetText(fmt.Sprint(items))
}