IDLE清屏扩展
新建ClearWindows.py,复制以下代码:
class ClearWindow: menudefs = [ ('options', [None, ('Clear Shell Window', '<<clear-window>>'), ]),] def __init__(self, editwin): self.editwin = editwin self.text = self.editwin.text self.text.bind("<<clear-window>>", self.clear_window2) self.text.bind("<<undo>>", self.undo_event) # add="+" doesn't work def undo_event(self, event): text = self.text text.mark_set("iomark2", "iomark") text.mark_set("insert2", "insert") self.editwin.undo.undo_event(event) # fix iomark and insert text.mark_set("iomark", "iomark2") text.mark_set("insert", "insert2") text.mark_unset("iomark2") text.mark_unset("insert2") def clear_window2(self, event): # Alternative method # work around the ModifiedUndoDelegator text = self.text text.undo_block_start() text.mark_set("iomark2", "iomark") text.mark_set("iomark", 1.0) text.delete(1.0, "iomark2 linestart") text.mark_set("iomark", "iomark2") text.mark_unset("iomark2") text.undo_block_stop() if self.text.compare('insert', '<', 'iomark'): self.text.mark_set('insert', 'end-1c') self.editwin.set_line_and_column() def clear_window(self, event): # remove undo delegator undo = self.editwin.undo self.editwin.per.removefilter(undo) # clear the window, but preserve current command self.text.delete(1.0, "iomark linestart") if self.text.compare('insert', '<', 'iomark'): self.text.mark_set('insert', 'end-1c') self.editwin.set_line_and_column() # restore undo delegator self.editwin.per.insertfilter(undo)
将文件放在安装目录的...\Lib\idlelib目录下,然后在相同路径找到config-extensions.def文件,在文件末尾添加以下代码:
[ClearWindow] enable=1 enable_editor=0 enable_shell=1 [ClearWindow_cfgBindings] clear-window=<Control-Key-l>