def do_test(self):
selections = []
self.match_locs = []
if self.regex_valid():
text = unicode(self.preview.toPlainText())
regex = unicode(self.regex.text())
cursor = QTextCursor(self.preview.document())
extsel = QTextEdit.ExtraSelection()
extsel.cursor = cursor
extsel.format.setBackground(QBrush(Qt.yellow))
try:
for match in re.finditer(regex, text):
es = QTextEdit.ExtraSelection(extsel)
es.cursor.setPosition(match.start(),
QTextCursor.MoveAnchor)
es.cursor.setPosition(match.end(), QTextCursor.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(str(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(end_cursor.EndOfBlock)
self.requests.append((start_cursor, end_cursor))
QTimer.singleShot(0, self.do_one_block)
def goto_loc(self,
loc,
operation=QTextCursor.Right,
mode=QTextCursor.KeepAnchor,
n=0):
cursor = QTextCursor(self.preview.document())
cursor.setPosition(loc)
if n:
cursor.movePosition(operation, mode, n)
self.preview.setTextCursor(cursor)
def _set_data_window(self):
self.file_display.setReadOnly(True)
self._data = open(self.targetfile, 'rb').read()
text = []
for i in range(0, len(self._data), CHARS_PER_LINE):
line = self._data[i:i + CHARS_PER_LINE]
text.append(hexdump(line))
self.file_display.setPlainText("\n".join(text))
self._cursor = QTextCursor(self.file_display.document())
self.file_display.setTextCursor(self._cursor)
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(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, c.KeepAnchor)
self.search_header_pos = 0
if reverse:
pos, anchor = c.position(), c.anchor()
c.setPosition(pos), c.setPosition(anchor, c.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 set_document(self, doc):
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 = None
if doc is not None:
self.doc = doc
doc.contentsChange.connect(self.reformat_blocks)
self.rehighlight()
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. '''
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)
for af in block.layout().additionalFormats():
start = dest_block.position() + af.start
c.setPosition(start), c.setPosition(start + af.length, c.KeepAnchor)
c.setCharFormat(af.format)
cursor.insertBlock()
cursor.setCharFormat(NULL_FMT)
block = block.next()
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(c.StartOfBlock)
if delta > 0:
for _ in xrange(delta):
c.insertBlock()
else:
c.movePosition(c.NextBlock, c.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 v.line_number_map.iteritems():
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 v.images.iteritems())
v.viewport().update()
def _tree_line_selected(self):
if not self.data_tree.selectedItems():
return
item = self.data_tree.selectedItems()[0]
data = item.data(0, QtCore.Qt.UserRole)
while data is None:
item = self.data_tree.itemAbove(item)
if item is None:
break
data = item.data(0, QtCore.Qt.UserRole)
if data is not None:
start, length = data
self._clear_data_highlight()
curs_start = to_display_pos(start)
curs_end = to_display_pos(start + length) - 1
if self._cursor is None:
self._cursor = QTextCursor(self.file_display.document())
self.file_display.setTextCursor(self._cursor)
self._cursor.setPosition(curs_start)
self._cursor.setPosition(curs_end, mode=self._cursor.KeepAnchor)
highlight = QtGui.QTextCharFormat()
highlight.setBackground(QtGui.QBrush(QtGui.QColor("red")))
self._cursor.mergeCharFormat(highlight)
def show_context_menu(self, pos):
m = QMenu(self)
a = m.addAction
c = self.editor.cursorForPosition(pos)
origc = QTextCursor(c)
r = origr = self.editor.syntax_range_for_cursor(c)
if (r is None or not r.format.property(SPELL_PROPERTY).toBool()
) and c.positionInBlock() > 0:
c.setPosition(c.position() - 1)
r = self.editor.syntax_range_for_cursor(c)
if r is not None and r.format.property(SPELL_PROPERTY).toBool():
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)
if found:
suggestions = dictionaries.suggestions(word, locale)[:7]
if suggestions:
for suggestion in suggestions:
ac = m.addAction(
suggestion,
partial(self.editor.simple_replace, suggestion))
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).toBool():
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).toBool()
or origr.format.property(CSS_PROPERTY).toBool()):
word = self.editor.text_for_range(origc.block(), origr)
item_type = 'tag_name' if origr.format.property(
TAG_NAME_PROPERTY).toBool() 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'):
a(actions['editor-%s' % x])
m.addSeparator()
for x in ('cut', 'copy', 'paste'):
a(actions['editor-' + x])
m.addSeparator()
m.addAction(_('&Select all'), self.editor.select_all)
m.addAction(actions['mark-selected-text'])
if self.syntax == 'html':
m.addAction(actions['multisplit'])
m.exec_(self.editor.mapToGlobal(pos))
