PyGTK 设置窗口图标与库存图片
我觉得这应该很简单，但我想我错过了一些东西。
所以我想用其中一张库存图像设置窗口的图标。我尝试过：
windowIcon = gtk.image_new_form_stock(gtk.STOCK_DIALOG_AUTHENTICATION, gtk.ICON_SIZE_MENU)
window.set_icon(windowIcon.get_pixbuf())
Python 然后抱怨：
文件“./sample.py”，第 44 行，init
window.set_icon(windowIcon.get_pixbuf())
ValueError：图像应该是 GdkPixbuf 或空
我尝试将 gtkImage 转换为 GdkPixbuf 因为当我没有 python 抱怨时
类型错误：图标应该是 GdkPixbuf 或 None
在 pygtk 文档中它说：
如果图像的存储类型不是 gtk.IMAGE_EMPTY 或 gtk.IMAGE_PIXBUF，则会引发 ValueError 异常。
所以我猜测库存图像的存储类型是错误的。问题是我该如何解决这个问题？
I feel like this should be pretty simple, but I guess I am missing something.
So I want to set the icon of a window with one of the stock images. I have tried:
windowIcon = gtk.image_new_form_stock(gtk.STOCK_DIALOG_AUTHENTICATION, gtk.ICON_SIZE_MENU)
window.set_icon(windowIcon.get_pixbuf())
Python then complains that:
File "./sample.py", line 44, in init
window.set_icon(windowIcon.get_pixbuf())
ValueError: image should be a GdkPixbuf or empty
I try to convert the gtkImage to a GdkPixbuf because when I didn't python complained that
TypeError: icon should be a GdkPixbuf or None
In the pygtk documentation it says:
If the storage type of the image is not either gtk.IMAGE_EMPTY or gtk.IMAGE_PIXBUF the ValueError exception will be raised.
So I guessing that storage type of the stock image is wrong. The question is how to I get around this?
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您可以在任何 GtkWidget 上使用 .render_icon() 方法来提供库存项目作为图标。
You can use the .render_icon() method on any GtkWidget to provide a stock item as the icon.
render_icon()方法的工作原理如上所示。您的代码有问题，因为get_pixbuf()方法返回None。这是因为图像不是从pixbuf创建的，并且由于某种原因，它不会转换它。从图像获取pixbuf的另一种方法是使用gtk.gdk.pixbuf_new_from_image()函数。The
render_icon()method works as given above. Your code was having problems, because theget_pixbuf()method was returningNone. This is because the image was not created from apixbuf, and for some reason, it won't convert it. Another way of getting apixbuffrom an image is to use thegtk.gdk.pixbuf_new_from_image()function.