B νvV@s*dZddlmZmZGdddejZdS)z9 Provides bracket matching for Q[Plain]TextEdit widgets. )QtCoreQtGuicsPeZdZdZddddZdddd Zfd d Zd d ZddZddZ Z S)BracketMatcherzX Matches square brackets, braces, and parentheses based on cursor position. )}])({[rr r )rrrcsXt|tjtjfsttt|t|_ |j t d||_ |j |jdS)zf Create a call tip manager that is attached to the specified Qt text edit widget. ZsilverN) isinstancer QTextEditZQPlainTextEditAssertionErrorsuperr__init__ZQTextCharFormatformatZ setBackgroundZQColor _text_editZcursorPositionChangedZconnect_cursor_position_changed)selfZ text_edit) __class__8lib/python3.7/site-packages/qtconsole/bracket_matcher.pyrs  zBracketMatcher.__init__cCs|j}||}|j|}|r*d}n|j|}|r@d}ndS|}d}xZ|dkr||kr||krt|d7}n||kr|d8}|dkrP||7}||}qNWd}|S)z Given a valid position in the text document, try to find the position of the matching bracket. Returns -1 if unsuccessful. r)rdocumentZ characterAt _opening_mapget _closing_mapZcharacterCount)rpositionrZ start_charZ search_charZ incrementcharZdepthrrr _find_match's,     zBracketMatcher._find_matchcCsDtj}|j}|||tjjtjj ||_ |j |_ |S)z7 Convenience method for selecting a character. ) rr ZExtraSelectionr textCursorZ setPositionZ movePositionZ QTextCursorZ NextCharacterZ KeepAnchorcursorr)rrZ selectionr!rrr_selection_for_characterHs     z'BracketMatcher._selection_for_charactercsbjgj}|s^|d}|}|dkr^fdd||fD}j|dS)zK Updates the document formatting based on the new cursor position. rrcsg|]}|qSr)r").0pos)rrr bsz;BracketMatcher._cursor_position_changed..N)rZsetExtraSelectionsr Z hasSelectionrr)rr!rZmatch_positionZextra_selectionsr)rrrVs      z'BracketMatcher._cursor_position_changed) __name__ __module__ __qualname____doc__rrrrr"r __classcell__rr)rrrs   !rN)r)Z qtconsole.qtrrZQObjectrrrrrs