album_view.py 文件源码

def on_grid_songs_focus_in_event(self, widget, event):
        """ We don't want 2 treeview with a selection,
            so we walk trougth the siblings and their children
            then call unselect_all() if it's a treeview
        """
        stack = [self.get_view().get_parent()]
        while any(stack):
            element = stack.pop()
            if isinstance(element, Gtk.TreeView) and element is not widget:
                element.get_selection().unselect_all()
            elif isinstance(element, Gtk.Container):
                stack.extend(element.get_children())