Python GTK3:如何创建Gtk.FileChooseDialog? [英] Python GTK3: how to create a Gtk.FileChooseDialog?

问题描述

如何正确创建Gtk.FileChooseDialog?

How to create a Gtk.FileChooseDialog properly?

此热门教程说要使用代码如下:

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

dialog = Gtk.FileChooserDialog("Please choose a folder", None,
    Gtk.FileChooserAction.SELECT_FOLDER,
    (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
     "Select", Gtk.ResponseType.OK))

但是，如果使用python -W error运行此命令(以捕获已弃用的警告)，则会显示:

But, if you run this with python -W error (to catch the deprecated warnings) it says:

  File "test3.py", line 8, in <module>
    "Select", Gtk.ResponseType.OK))
  File "/usr/lib/python2.7/dist-packages/gi/overrides/__init__.py", line 287, in new_init
    category, stacklevel=stacklevel)
gi.overrides.Gtk.PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "title, parent, action, buttons" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations

使用Gtk.FileChooserDialog.new给出TypeError: Dialog constructor cannot be used to create instances of a subclass FileChooserDialog.

API 关于构造函数一无所知.很奇怪.

The API says nothing about the constructor. Weird.

ps:该问题的答案应与python -W error一起使用.它不应依赖已弃用的API.这就是我要问的全部.

ps: The answer to this question should work with python -W error. It should not rely on deprecated APIs. It is the all point of me asking.

推荐答案

只需遵循说明并使用关键字参数.我也将按钮更改为使用.add_buttons()，因为这也引发了DeprecationWarning:

Simply follow out the instructions and use keyword arguments. I also changed the buttons to using .add_buttons() since that also threw a DeprecationWarning:

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

dialog = Gtk.FileChooserDialog(
    title="Please choose a folder",
    action=Gtk.FileChooserAction.SELECT_FOLDER,
)

dialog.add_buttons(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
                   "Select", Gtk.ResponseType.OK)

这篇关于Python GTK3:如何创建Gtk.FileChooseDialog?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！