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Add close() method that breaks a cycle.

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This commit is contained in:
Guido van Rossum 1999-06-25 16:02:22 +00:00
parent 7ea8f8404c
commit e689f0087e
3 changed files with 23 additions and 4 deletions
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3
Tools/idle/CallTips.py
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@ -32,6 +32,9 @@ class CallTips:
else: else:
self._make_calltip_window = self._make_tk_calltip_window self._make_calltip_window = self._make_tk_calltip_window
def close(self):
self._make_calltip_window = None
# Makes a Tk based calltip window. Used by IDLE, but not Pythonwin. # Makes a Tk based calltip window. Used by IDLE, but not Pythonwin.
# See __init__ above for how this is used. # See __init__ above for how this is used.
def _make_tk_calltip_window(self): def _make_tk_calltip_window(self):

3
Tools/idle/FormatParagraph.py
View file

@ -36,6 +36,9 @@ class FormatParagraph:
def __init__(self, editwin): def __init__(self, editwin):
self.editwin = editwin self.editwin = editwin
def close(self):
self.editwin = None
def format_paragraph_event(self, event): def format_paragraph_event(self, event):
text = self.editwin.text text = self.editwin.text
first, last = self.editwin.get_selection_indices() first, last = self.editwin.get_selection_indices()

21
Tools/idle/IOBinding.py
View file

@ -24,10 +24,23 @@ class IOBinding:
def __init__(self, editwin): def __init__(self, editwin):
self.editwin = editwin self.editwin = editwin
self.text = editwin.text self.text = editwin.text
self.text.bind("<<open-window-from-file>>", self.open) self.__id_open = self.text.bind("<<open-window-from-file>>", self.open)
self.text.bind("<<save-window>>", self.save) self.__id_save = self.text.bind("<<save-window>>", self.save)
self.text.bind("<<save-window-as-file>>", self.save_as) self.__id_saveas = self.text.bind("<<save-window-as-file>>",
self.text.bind("<<save-copy-of-window-as-file>>", self.save_a_copy) self.save_as)
self.__id_savecopy = self.text.bind("<<save-copy-of-window-as-file>>",
self.save_a_copy)
def close(self):
# Undo command bindings
self.text.unbind("<<open-window-from-file>>", self.__id_open)
self.text.unbind("<<save-window>>", self.__id_save)
self.text.unbind("<<save-window-as-file>>",self.__id_saveas)
self.text.unbind("<<save-copy-of-window-as-file>>", self.__id_savecopy)
# Break cycles
self.editwin = None
self.text = None
self.filename_change_hook = None
def get_saved(self): def get_saved(self):
return self.editwin.get_saved() return self.editwin.get_saved()