core.py 文件源码

def _get_export_file_name(self):
        sel = gtk.FileChooserDialog("Save...", self.canvas.get_toplevel(),
                                    gtk.FILE_CHOOSER_ACTION_SAVE,
                                    (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                     gtk.STOCK_SAVE, gtk.RESPONSE_OK))
        sel.set_default_response(gtk.RESPONSE_OK)
        sel.set_local_only(True)
        sel.set_do_overwrite_confirmation(True)
        sel.set_current_name("Unnamed.pdf")

        filter = gtk.FileFilter()
        filter.set_name("Embedded PostScript")
        filter.add_mime_type("image/x-eps")
        sel.add_filter(filter)

        filter = gtk.FileFilter()
        filter.set_name("Portable Document Graphics")
        filter.add_mime_type("application/pdf")
        sel.add_filter(filter)

        filter = gtk.FileFilter()
        filter.set_name("Scalable Vector Graphics")
        filter.add_mime_type("image/svg+xml")
        sel.add_filter(filter)

        resp = sel.run()
        if resp != gtk.RESPONSE_OK:
            sel.destroy()
            return None

        file_name = sel.get_filename()
        sel.destroy()
        return file_name