search_bar.py 文件源码

def __on_key_press(self, widget, event):
        keyname = Gdk.keyval_name(event.keyval).lower()
        if keyname == 'escape' and self.search_button.get_active():
            if self.search_entry.is_focus():
                self.search_button.set_active(False)
                self.search_entry.set_text("")
            else:
                self.focus()

        if not settings.get_is_locked():
            if keyname == "backspace":
                if self.is_empty() and self.is_visible():
                    self.search_button.set_active(False)
                    return True

            if event.state & Gdk.ModifierType.CONTROL_MASK:
                if keyname == 'f':
                    self.search_button.set_active(
                        not self.search_button.get_active())
                    return True
        return False