def do_test(self):
selections = []
self.match_locs = []
class Pos:
python: int = 0
qt: int = 0
if self.regex_valid():
text = str(self.preview.toPlainText())
regex = str(self.regex.text())
cursor = QTextCursor(self.preview.document())
extsel = QTextEdit.ExtraSelection()
extsel.cursor = cursor
extsel.format.setBackground(QBrush(Qt.GlobalColor.yellow))
with suppress(Exception):
prev = Pos()
for match in compile_regular_expression(regex).finditer(text):
es = QTextEdit.ExtraSelection(extsel)
qtchars_to_start = utf16_length(
text[prev.python:match.start()])
qt_pos = prev.qt + qtchars_to_start
prev.python = match.end()
prev.qt = qt_pos + utf16_length(match.group())
es.cursor.setPosition(qt_pos,
QTextCursor.MoveMode.MoveAnchor)
es.cursor.setPosition(prev.qt,
QTextCursor.MoveMode.KeepAnchor)
selections.append(es)
self.match_locs.append((qt_pos, prev.qt))
self.preview.setExtraSelections(selections)
if self.match_locs:
self.next.setEnabled(True)
self.previous.setEnabled(True)
self.occurrences.setText(str(len(self.match_locs)))
def do_test(self):
selections = []
self.match_locs = []
if self.regex_valid():
text = unicode_type(self.preview.toPlainText())
regex = unicode_type(self.regex.text())
cursor = QTextCursor(self.preview.document())
extsel = QTextEdit.ExtraSelection()
extsel.cursor = cursor
extsel.format.setBackground(QBrush(Qt.GlobalColor.yellow))
try:
for match in compile_regular_expression(regex).finditer(text):
es = QTextEdit.ExtraSelection(extsel)
es.cursor.setPosition(match.start(),
QTextCursor.MoveMode.MoveAnchor)
es.cursor.setPosition(match.end(),
QTextCursor.MoveMode.KeepAnchor)
selections.append(es)
self.match_locs.append((match.start(), match.end()))
except:
pass
self.preview.setExtraSelections(selections)
if self.match_locs:
self.next.setEnabled(True)
self.previous.setEnabled(True)
self.occurrences.setText(unicode_type(len(self.match_locs)))
def reformat_blocks(self, position, removed, added):
doc = self.doc
if doc is None or self.ignore_requests or not hasattr(self, 'state_map'):
return
block = doc.findBlock(position)
if not block.isValid():
return
start_cursor = QTextCursor(block)
last_block = doc.findBlock(position + added + (1 if removed > 0 else 0))
if not last_block.isValid():
last_block = doc.lastBlock()
end_cursor = QTextCursor(last_block)
end_cursor.movePosition(QTextCursor.MoveOperation.EndOfBlock)
self.requests.append((start_cursor, end_cursor))
QTimer.singleShot(0, self.do_one_block)
def copy_lines(self, lo, hi, cursor):
''' Copy specified lines from the syntax highlighted buffer into the
destination cursor, preserving all formatting created by the syntax
highlighter. '''
self.highlighter.join()
num = hi - lo
if num > 0:
block = self.findBlockByNumber(lo)
while num > 0:
num -= 1
cursor.insertText(block.text())
dest_block = cursor.block()
c = QTextCursor(dest_block)
try:
afs = block.layout().additionalFormats()
except AttributeError:
afs = ()
for af in afs:
start = dest_block.position() + af.start
c.setPosition(start), c.setPosition(
start + af.length, QTextCursor.MoveMode.KeepAnchor)
c.setCharFormat(af.format)
cursor.insertBlock()
cursor.setCharFormat(NULL_FMT)
block = block.next()
def goto_loc(self,
loc,
operation=QTextCursor.MoveOperation.Right,
mode=QTextCursor.MoveMode.KeepAnchor,
n=0):
cursor = QTextCursor(self.preview.document())
cursor.setPosition(loc)
if n:
cursor.movePosition(operation, mode, n)
self.preview.setTextCursor(cursor)
def set_document(self, doc, doc_name=None):
old_doc = self.doc
if old_doc is not None:
old_doc.contentsChange.disconnect(self.reformat_blocks)
c = QTextCursor(old_doc)
c.beginEditBlock()
blk = old_doc.begin()
while blk.isValid():
blk.layout().clearAdditionalFormats()
blk = blk.next()
c.endEditBlock()
self.doc = self.doc_name = None
if doc is not None:
self.doc = doc
self.doc_name = doc_name
doc.contentsChange.connect(self.reformat_blocks)
self.rehighlight()
def show_context_menu(self, pos):
m = QMenu(self)
a = m.addAction
c = self.editor.cursorForPosition(pos)
origc = QTextCursor(c)
current_cursor = self.editor.textCursor()
r = origr = self.editor.syntax_range_for_cursor(c)
if (
r is None or not r.format.property(SPELL_PROPERTY)
) and c.positionInBlock() > 0 and not current_cursor.hasSelection():
c.setPosition(c.position() - 1)
r = self.editor.syntax_range_for_cursor(c)
if r is not None and r.format.property(SPELL_PROPERTY):
word = self.editor.text_for_range(c.block(), r)
locale = self.editor.spellcheck_locale_for_cursor(c)
orig_pos = c.position()
c.setPosition(orig_pos - utf16_length(word))
found = False
self.editor.setTextCursor(c)
if self.editor.find_spell_word([word],
locale.langcode,
center_on_cursor=False):
found = True
fc = self.editor.textCursor()
if fc.position() < c.position():
self.editor.find_spell_word([word],
locale.langcode,
center_on_cursor=False)
spell_cursor = self.editor.textCursor()
if current_cursor.hasSelection():
# Restore the current cursor so that any selection is preserved
# for the change case actions
self.editor.setTextCursor(current_cursor)
if found:
suggestions = dictionaries.suggestions(word, locale)[:7]
if suggestions:
for suggestion in suggestions:
ac = m.addAction(
suggestion,
partial(self.editor.simple_replace,
suggestion,
cursor=spell_cursor))
f = ac.font()
f.setBold(True), ac.setFont(f)
m.addSeparator()
m.addAction(actions['spell-next'])
m.addAction(_('Ignore this word'),
partial(self._nuke_word, None, word, locale))
dics = dictionaries.active_user_dictionaries
if len(dics) > 0:
if len(dics) == 1:
m.addAction(
_('Add this word to the dictionary: {0}').format(
dics[0].name),
partial(self._nuke_word, dics[0].name, word,
locale))
else:
ac = m.addAction(_('Add this word to the dictionary'))
dmenu = QMenu(m)
ac.setMenu(dmenu)
for dic in dics:
dmenu.addAction(
dic.name,
partial(self._nuke_word, dic.name, word,
locale))
m.addSeparator()
if origr is not None and origr.format.property(LINK_PROPERTY):
href = self.editor.text_for_range(origc.block(), origr)
m.addAction(
_('Open %s') % href, partial(self.link_clicked.emit, href))
if origr is not None and (origr.format.property(TAG_NAME_PROPERTY)
or origr.format.property(CSS_PROPERTY)):
word = self.editor.text_for_range(origc.block(), origr)
item_type = 'tag_name' if origr.format.property(
TAG_NAME_PROPERTY) else 'css_property'
url = help_url(word,
item_type,
self.editor.highlighter.doc_name,
extra_data=current_container().opf_version)
if url is not None:
m.addAction(
_('Show help for: %s') % word, partial(open_url, url))
for x in ('undo', 'redo'):
ac = actions['editor-%s' % x]
if ac.isEnabled():
a(ac)
m.addSeparator()
for x in ('cut', 'copy', 'paste'):
ac = actions['editor-' + x]
if ac.isEnabled():
a(ac)
m.addSeparator()
m.addAction(_('&Select all'), self.editor.select_all)
if self.selected_text or self.has_marked_text:
update_mark_text_action(self)
m.addAction(actions['mark-selected-text'])
if self.syntax != 'css' and actions['editor-cut'].isEnabled():
cm = QMenu(_('Change &case'), m)
for ac in 'upper lower swap title capitalize'.split():
cm.addAction(actions['transform-case-' + ac])
m.addMenu(cm)
if self.syntax == 'html':
m.addAction(actions['multisplit'])
m.exec_(self.editor.viewport().mapToGlobal(pos))
def resized(self):
' Resize images to fit in new view size and adjust all line number references accordingly '
for v in (self.left, self.right):
changes = []
for i, (top, bot, kind) in enumerate(v.changes):
if top in v.images:
img, oldw, oldlines = v.images[top]
lines, w = self.get_lines_for_image(img, v)
if lines != oldlines:
changes.append((i, lines, lines - oldlines, img, w))
for i, lines, delta, img, w in changes:
top, bot, kind = v.changes[i]
c = QTextCursor(v.document().findBlockByNumber(top+1))
c.beginEditBlock()
c.movePosition(QTextCursor.MoveOperation.StartOfBlock)
if delta > 0:
for _ in range(delta):
c.insertBlock()
else:
c.movePosition(QTextCursor.MoveOperation.NextBlock, QTextCursor.MoveMode.KeepAnchor, -delta)
c.removeSelectedText()
c.endEditBlock()
v.images[top] = (img, w, lines)
def mapnum(x):
return x if x <= top else x + delta
lnm = LineNumberMap()
lnm.max_width = v.line_number_map.max_width
for x, val in iteritems(v.line_number_map):
dict.__setitem__(lnm, mapnum(x), val)
v.line_number_map = lnm
v.changes = [(mapnum(t), mapnum(b), k) for t, b, k in v.changes]
v.headers = [(mapnum(x), name) for x, name in v.headers]
v.images = OrderedDict((mapnum(x), v) for x, v in iteritems(v.images))
v.viewport().update()
def search(self, query, reverse=False):
''' Search for query, also searching the headers. Matches in headers
are not highlighted as managing the highlight is too much of a pain.'''
if not query.strip():
return
c = self.textCursor()
lnum = c.block().blockNumber()
cpos = c.positionInBlock()
headers = dict(self.headers)
if lnum in headers:
cpos = self.search_header_pos
lines = unicode_type(self.toPlainText()).splitlines()
for hn, text in self.headers:
lines[hn] = text
prefix, postfix = lines[lnum][:cpos], lines[lnum][cpos:]
before, after = enumerate(lines[0:lnum]), ((lnum+1+i, x) for i, x in enumerate(lines[lnum+1:]))
if reverse:
sl = chain([(lnum, prefix)], reversed(tuple(before)), reversed(tuple(after)), [(lnum, postfix)])
else:
sl = chain([(lnum, postfix)], after, before, [(lnum, prefix)])
flags = regex.REVERSE if reverse else 0
pat = regex.compile(regex.escape(query, special_only=True), flags=regex.UNICODE|regex.IGNORECASE|flags)
for num, text in sl:
try:
m = next(pat.finditer(text))
except StopIteration:
continue
start, end = m.span()
length = end - start
if text is postfix:
start += cpos
c = QTextCursor(self.document().findBlockByNumber(num))
c.setPosition(c.position() + start)
if num in headers:
self.search_header_pos = start + length
else:
c.setPosition(c.position() + length, QTextCursor.MoveMode.KeepAnchor)
self.search_header_pos = 0
if reverse:
pos, anchor = c.position(), c.anchor()
c.setPosition(pos), c.setPosition(anchor, QTextCursor.MoveMode.KeepAnchor)
self.setTextCursor(c)
self.centerCursor()
self.scrolled.emit()
break
else:
info_dialog(self, _('No matches found'), _(
'No matches found for query: %s' % query), show=True)
def find_text(self, pat, cursor, reverse):
from calibre.gui2.tweak_book.text_search import find_text_in_chunks
chunks = []
cstart = min(cursor.position(), cursor.anchor())
cend = max(cursor.position(), cursor.anchor())
if reverse:
cend -= 1
c = QTextCursor(cursor)
c.setPosition(cstart)
block = c.block()
in_text = find_tag_definition(block, 0)[0] is None
if in_text:
# Check if we are in comment/PI/etc.
pb = block.previous()
while pb.isValid():
boundaries = pb.userData().non_tag_structures
if boundaries:
if boundaries[-1].is_start:
in_text = False
break
pb = pb.previous()
def append(text, start):
text = text.replace(PARAGRAPH_SEPARATOR, '\n')
after = start + len(text)
if start <= cend and cstart < after:
extra = after - (cend + 1)
if extra > 0:
text = text[:-extra]
extra = cstart - start
if extra > 0:
text = text[extra:]
chunks.append((text, start + max(extra, 0)))
while block.isValid() and block.position() <= cend:
ud = block.userData()
boundaries = sorted(chain(ud.tags, ud.non_tag_structures),
key=get_offset)
if not boundaries:
# Add the whole line
if in_text:
text = block.text() + '\n'
append(text, block.position())
else:
start = block.position()
c.setPosition(start)
for b in boundaries:
if in_text:
c.setPosition(start + b.offset,
QTextCursor.MoveMode.KeepAnchor)
if c.hasSelection():
append(c.selectedText(), c.anchor())
in_text = not b.is_start
c.setPosition(start + b.offset + 1)
if in_text:
# Add remaining text in block
c.setPosition(block.position() + boundaries[-1].offset + 1)
c.movePosition(QTextCursor.MoveOperation.EndOfBlock,
QTextCursor.MoveMode.KeepAnchor)
if c.hasSelection():
append(c.selectedText() + '\n', c.anchor())
block = block.next()
s, e = find_text_in_chunks(pat, chunks)
return s != -1 and e != -1, s, e
def apply_smart_comment(editor, opening='/*', closing='*/', line_comment=None):
doc = editor.document()
c = QTextCursor(editor.textCursor())
c.clearSelection()
before_opening = doc.find(
opening, c, QTextDocument.FindFlag.FindBackward
| QTextDocument.FindFlag.FindCaseSensitively)
before_closing = doc.find(
closing, c, QTextDocument.FindFlag.FindBackward
| QTextDocument.FindFlag.FindCaseSensitively)
after_opening = doc.find(opening, c,
QTextDocument.FindFlag.FindCaseSensitively)
after_closing = doc.find(closing, c,
QTextDocument.FindFlag.FindCaseSensitively)
in_block_comment = (not before_opening.isNull() and (before_closing.isNull() or before_opening.position() >= before_closing.position())) and \
(not after_closing.isNull() and (after_opening.isNull() or after_closing.position() <= after_opening.position()))
if in_block_comment:
before_opening.removeSelectedText(), after_closing.removeSelectedText()
return
c = QTextCursor(editor.textCursor())
left, right = min(c.position(), c.anchor()), max(c.position(), c.anchor())
c.beginEditBlock()
c.setPosition(right), c.insertText(closing)
c.setPosition(left), c.insertText(opening)
c.endEditBlock()