我正在尝试创建一个使用 Gtk FileChooserDialog 对话框的程序。我按照教程 here , 它有效。但是,我希望只是弹出对话框,而不必处理实际的 Gtk 窗口。
我已经尝试将教程中位于 on_file_clicked()
函数中的代码放入 __init__
函数中(并稍微调整一下)所以在删除 __init__
中已有的代码后,它看起来会起作用):
class FileChooserWindow(Gtk.Window):
def __init__(self):
global path
dialog = Gtk.FileChooserDialog("Please choose a file", self,
Gtk.FileChooserAction.OPEN,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_OPEN, Gtk.ResponseType.OK))
self.add_filters(dialog)
response = dialog.run()
if response == Gtk.ResponseType.OK:
print("Open clicked")
print("File selected: " + dialog.get_filename())
path = dialog.get_filename()
dialog.destroy()
elif response == Gtk.ResponseType.CANCEL:
print("Cancel clicked")
dialog.destroy()
def add_filters(self, dialog):
filter_any = Gtk.FileFilter()
filter_any.set_name("Any files")
filter_any.add_pattern("*")
dialog.add_filter(filter_any)
filter_text = Gtk.FileFilter()
filter_text.set_name('Text files')
filter_text.add_mime_type('text/plain')
dialog.add_filter(filter_text)
filter_py = Gtk.FileFilter()
filter_py.set_name('Python files')
filter_py.add_mime_type('text/x-python')
dialog.add_filter(filter_py)
filter_img = Gtk.FileFilter()
filter_img.set_name('Image')
filter_img.add_mime_type('image/*')
dialog.add_filter(filter_img)
win = FileChooserWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()
但它只是返回这个错误:
Traceback (most recent call last):
File "base.py", line 152, in <module>
win = FileChooserWindow()
File "base.py", line 38, in __init__
Gtk.STOCK_OPEN, Gtk.ResponseType.OK))
File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 175, in new_init
return super_init_func(self, **new_kwargs)
File "/usr/lib/python3/dist-packages/gi/overrides/Gtk.py", line 500, in __init__
self._init(*args, **new_kwargs)
File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 175, in new_init
return super_init_func(self, **new_kwargs)
File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 175, in new_init
return super_init_func(self, **new_kwargs)
TypeError: could not convert value for property `transient_for' from FileChooserWindow to GtkWindow
有谁知道仅 Gtk FileChooserDialog 对话框的正确方法?
最佳答案
当您在第 6 行声明对话框时:
dialog = Gtk.FileChooserDialog("Please choose a file", self,
self
是对话框的父级。要创建一个没有父项的对话框,请将其设置为 None
,如下所示:
dialog = Gtk.FileChooserDialog("Please choose a file", None,
关于Python GTK+ 3 只拉出一个文件选择器对话框?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29977125/