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d d d �n d S)z�ParenMatch -- An IDLE extension for parenthesis matching.
When you hit a right paren, the cursor should move briefly to the left
paren. Paren here is used generically; the matching applies to
parentheses, square brackets, and curly braces.
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ParenMatcha� Highlight matching parentheses
There are three supported style of paren matching, based loosely
on the Emacs options. The style is select based on the
HILITE_STYLE attribute; it can be changed used the set_style
method.
The supported styles are:
default -- When a right paren is typed, highlight the matching
left paren for 1/2 sec.
expression -- When a right paren is typed, highlight the entire
expression from the left paren to the right paren.
TODO:
- extend IDLE with configuration dialog to change options
- implement rest of Emacs highlight styles (see below)
- print mismatch warning in IDLE status window
Note: In Emacs, there are several styles of highlight where the
matching paren is highlighted whenever the cursor is immediately
to the right of a right paren. I don't know how to do that in Tk,
so I haven't bothered.
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z ParenMatch.create_tag_expressionc C sP | j d 7_ | | j | j j d � d d � } | j j j t | | � d S)zSHighlight will remain until user input turns it off
or the insert has movedr r1 c S sE | | j j d � k r( | j | � n | j j j t | | � d S)Nr1 )r �indexr; r �
text_frame�after� CHECK_DELAY)�callmer# �cr@ r$ r$ r% rD � s z+ParenMatch.set_timeout_none.<locals>.callmeN)r r r@ r rA rB rC )r# rD r$ r$ r% r0 � s zParenMatch.set_timeout_nonec C s; | j d 7_ | j j j | j | | j d d � � d S)z7The last highlight created will be removed after .5 secr c S s
| j | � S)N)r; )r# rE r$ r$ r% �<lambda>� s z-ParenMatch.set_timeout_last.<locals>.<lambda>N)r r rA rB � FLASH_DELAY)r# r$ r$ r% r- � s zParenMatch.set_timeout_last)r r
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