def complete_possible(cursor):
"""
Determine whether there is text before the cursor position that may be completed.
:param cursor: position.
:return: True if there is non-whitespace text immediately before the cursor.
"""
text = get_block_plain_text(cursor.block())
return bool(text[: cursor.columnNumber()].strip())
def highlightBlock(self, string):
""" Highlight a block of text. Reimplemented to highlight selectively.
"""
if self._highlighting_on:
# The input to this function is a unicode string that may contain
# paragraph break characters, non-breaking spaces, etc. Here we acquire
# the string as plain text so we can compare it.
current_block = self.currentBlock()
string = get_block_plain_text(current_block)
super(SelectiveHighlighter, self).highlightBlock(string[self._current_offset:])
