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.yellow))
try:
for match in compile_regular_expression(regex).finditer(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(unicode_type(len(self.match_locs)))
def search(self, text="", show_msg=True): # impl. of interface IEditor
find_text = self._view.search_replace.controls["search-edit"].text()
if not show_msg and text.strip():
find_text = text # pragma: no cover
flags = QTextDocument.FindFlags()
if self._view.search_replace.controls["cs-box"].isChecked():
flags |= QTextDocument.FindCaseSensitively
old_cursor = self._view.text.textCursor()
self._view.text.moveCursor(QTextCursor.Start)
color = QColor(Qt.yellow).lighter(130)
extra_sels = []
while self._view.text.find(find_text, options=flags):
extra = QTextEdit.ExtraSelection()
extra.format.setBackground(color)
extra.cursor = self._view.text.textCursor()
extra_sels.append(extra)
self._view.text.setExtraSelections(extra_sels)
if len(extra_sels) != 0:
txt = self.tr("Results found")
txt = f'{txt}: {len(extra_sels)}'
cursor = self._view.text.textCursor()
cursor.clearSelection()
self._view.text.setTextCursor(cursor)
else:
txt = self.tr("Nothing found :(")
self._view.text.setTextCursor(old_cursor)
if show_msg:
self._view.show_info(txt)
def highlight(self):
hi_selection = QTextEdit.ExtraSelection()
hi_selection.format.setBackground(self.palette().alternateBase())
hi_selection.format.setProperty(QTextFormat.FullWidthSelection,
True)
hi_selection.cursor = self.textCursor()
hi_selection.cursor.clearSelection()
self.setExtraSelections([hi_selection])
def mark_selected_text(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.highlight_color)
sel.cursor = self.textCursor()
if sel.cursor.hasSelection():
self.current_search_mark = sel
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
else:
self.current_search_mark = None
self.update_extra_selections()
def add_tag(tag):
a = QTextEdit.ExtraSelection()
a.cursor, a.format = editor.textCursor(), editor.match_paren_format
a.cursor.setPosition(tag.start_block.position()), a.cursor.movePosition(a.cursor.EndOfBlock, a.cursor.KeepAnchor)
text = unicode(a.cursor.selectedText())
start_pos = utf16_length(text[:tag.start_offset])
a.cursor.setPosition(tag.end_block.position()), a.cursor.movePosition(a.cursor.EndOfBlock, a.cursor.KeepAnchor)
text = unicode(a.cursor.selectedText())
end_pos = utf16_length(text[:tag.end_offset + 1])
a.cursor.setPosition(tag.start_block.position() + start_pos)
a.cursor.setPosition(tag.end_block.position() + end_pos, a.cursor.KeepAnchor)
ans.append(a)
def highlightCurrentLine(self):
extra_selections = []
if self.hasFocus() and not self.isReadOnly():
selection = QTextEdit.ExtraSelection()
line_color = QColor(Qt.yellow).lighter(180)
selection.format.setBackground(line_color)
selection.format.setProperty(QTextFormat.FullWidthSelection, True)
selection.cursor = self.textCursor()
selection.cursor.clearSelection()
extra_selections.append(selection)
self.setExtraSelections(extra_selections)
def highlight_cursor_line(self):
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.FullWidthSelection, True)
sel.cursor = self.textCursor()
sel.cursor.clearSelection()
self.current_cursor_line = sel
self.update_extra_selections(instant=False)
# Update the cursor line's line number in the line number area
try:
self.line_number_area.update(0, self.last_current_lnum[0], self.line_number_area.width(), self.last_current_lnum[1])
except AttributeError:
pass
block = self.textCursor().block()
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
height = int(self.blockBoundingRect(block).height())
self.line_number_area.update(0, top, self.line_number_area.width(), height)
