如何向Gtk.ListStore添加行?
我正在尝试把我的应用程序从 Python 2.7 的 pyGTK 切换到 Python 3 和 pyGObject,但在往 Gtk.ListStore 里添加行时遇到了很多麻烦 :/
这段代码:
#!/usr/bin/env python3
from gi.repository import Gtk
listStore = Gtk.ListStore(str)
itr = Gtk.TreeIter()
listStore.append(itr)
listStore.set_value(itr, 0, 'Its working')
总是给我报错:
Traceback (most recent call last):
File "./test.py", line 7, in <module>
listStore.append(itr)
File "/usr/lib/python3/dist-packages/gi/overrides/Gtk.py", line 1017, in append
return self._do_insert(-1, row)
File "/usr/lib/python3/dist-packages/gi/overrides/Gtk.py", line 1008, in _do_insert
row, columns = self._convert_row(row)
File "/usr/lib/python3/dist-packages/gi/overrides/Gtk.py", line 850, in _convert_row
if len(row) != n_columns:
TypeError: object of type 'TreeIter' has no len()
这是怎么回事呢?我该怎么往 Gtk.ListStore 里添加新行呢?