mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 08:59:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

bpo-31488: IDLE - update former extensions when options change. (#3612)

Browse source 
When apply changes, call .reload on each class with non-key options.
Change ParenMatch so that updates affect current instances.
This commit is contained in:
Terry Jan Reedy 2017-09-16 01:42:28 -04:00 • committed by GitHub
parent 3f9eee6eb4
commit 5777ecc438
4 changed files with 32 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

43
Lib/idlelib/parenmatch.py
View file

@ -45,10 +45,8 @@ class ParenMatch:
# and deactivate_restore (which calls event_delete).
editwin.text.bind(self.RESTORE_VIRTUAL_EVENT_NAME,
self.restore_event)
self.bell = self.text.bell if self.BELL else lambda: None
self.counter = 0
self.is_restore_active = 0
self.set_style(self.STYLE)
@classmethod
def reload(cls):
@ -75,27 +73,11 @@ class ParenMatch:
self.text.event_delete(self.RESTORE_VIRTUAL_EVENT_NAME, seq)
self.is_restore_active = False
def set_style(self, style):
"Set tag and timeout functions."
self.STYLE = style
self.create_tag = (
self.create_tag_opener if style in {"opener", "default"} else
self.create_tag_parens if style == "parens" else
self.create_tag_expression) # "expression" or unknown
self.set_timeout = (self.set_timeout_last if self.FLASH_DELAY else
self.set_timeout_none)
def flash_paren_event(self, event):
"Handle editor 'show surrounding parens' event (menu or shortcut)."
indices = (HyperParser(self.editwin, "insert")
.get_surrounding_brackets())
if indices is None:
self.bell()
return "break"
self.activate_restore()
self.create_tag(indices)
self.set_timeout()
self.finish_paren_event(indices)
return "break"
def paren_closed_event(self, event):
@ -108,13 +90,19 @@ class ParenMatch:
if not hp.is_in_code():
return
indices = hp.get_surrounding_brackets(_openers[closer], True)
if indices is None:
self.bell()
self.finish_paren_event(indices)
return # Allow calltips to see ')'
def finish_paren_event(self, indices):
if indices is None and self.BELL:
self.text.bell()
return
self.activate_restore()
self.create_tag(indices)
self.set_timeout()
return
# self.create_tag(indices)
self.tagfuncs.get(self.STYLE, self.create_tag_expression)(self, indices)
# self.set_timeout()
(self.set_timeout_last if self.FLASH_DELAY else
self.set_timeout_none)()
def restore_event(self, event=None):
"Remove effect of doing match."
@ -152,6 +140,13 @@ class ParenMatch:
self.text.tag_add("paren", indices[0], rightindex)
self.text.tag_config("paren", self.HILITE_CONFIG)
tagfuncs = {
'opener': create_tag_opener,
'default': create_tag_opener,
'parens': create_tag_parens,
'expression': create_tag_expression,
}
# any one of the set_timeout_XXX methods can be used depending on
# the style