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Another small speedup

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Kovid Goyal 2014-06-23 16:29:14 +05:30
parent 8d1433ae78
commit b2168dc176
2 changed files with 15 additions and 18 deletions
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27
src/calibre/gui2/tweak_book/editor/syntax/base.py
View File

@ -130,7 +130,8 @@ class SyntaxHighlighter(object):
block = doc.findBlock(position)
while block.isValid() and (block.position() < end_pos or force_next_highlight):
formats, force_next_highlight = self.parse_single_block(block)
self.apply_format_changes(doc, block, formats)
self.apply_format_changes(block, formats)
doc.markContentsDirty(block.position(), block.length())
block = block.next()
finally:
doc.contentsChange.connect(self.reformat_blocks)
@ -151,7 +152,9 @@ class SyntaxHighlighter(object):
formats = []
for i, num, fmt in run_loop(ud, self.state_map, self.formats, unicode(block.text())):
if fmt is not None:
formats.append((i, num, fmt))
r = QTextLayout.FormatRange()
r.start, r.length, r.format = i, num, fmt
formats.append(r)
force_next_highlight = is_new_ud or ud.state != orig_state
return formats, force_next_highlight
@ -159,22 +162,16 @@ class SyntaxHighlighter(object):
if block.isValid():
self.reformat_blocks(block.position(), 0, 1)
def apply_format_changes(self, doc, block, formats):
def apply_format_changes(self, block, formats):
layout = block.layout()
preedit_start = layout.preeditAreaPosition()
preedit_length = layout.preeditAreaText().length()
ranges = []
R = QTextLayout.FormatRange
for i, num, fmt in formats:
for r in formats:
# Adjust range by pre-edit text, if any
if preedit_start != 0:
if i >= preedit_start:
i += preedit_length
elif i + num >= preedit_start:
num += preedit_length
r = R()
r.start, r.length, r.format = i, num, fmt
ranges.append(r)
layout.setAdditionalFormats(ranges)
doc.markContentsDirty(block.position(), block.length())
if r.start >= preedit_start:
r.start += preedit_length
elif r.start + r.length >= preedit_start:
r.length += preedit_length
layout.setAdditionalFormats(formats)

6
src/calibre/gui2/tweak_book/editor/text.py
View File

@ -578,9 +578,9 @@ class TextEdit(PlainTextEdit):
with store_locale:
formats = self.highlighter.parse_single_block(c.block())[0]
pos = c.positionInBlock()
for i, num, fmt in formats:
if i <= pos < i + num and fmt.property(SPELL_PROPERTY).toBool():
return fmt.property(SPELL_LOCALE_PROPERTY).toPyObject()
for r in formats:
if r.start <= pos < r.start + r.length and r.format.property(SPELL_PROPERTY).toBool():
return r.format.property(SPELL_LOCALE_PROPERTY).toPyObject()
def recheck_word(self, word, locale):
c = self.textCursor()