encoder.py 文件源码

def search_highlight(self):
        cursor = self.text_field.textCursor()
        b_format = cursor.blockFormat()
        b_format.setBackground(QBrush(QColor('white')))
        cursor.setBlockFormat(b_format)
        format = QTextCharFormat()
        format.setBackground(QBrush(QColor('yellow')))
        regex = QRegularExpression(self.search_field.text())
        matches = regex.globalMatch(self.text_field.toPlainText())
        _matches = []
        while matches.hasNext():
            _matches.append(matches.next())
        self.search_matches = _matches
        self.search_field_matches.setText('Matches: ' + str(len(self.search_matches)))
        self.search_field_matches.show()
        self.search_field_progress.setRange(0, len(self.search_matches))
        if len(self.search_matches) > 100:
            self.search_field_progress.show()
        match_count = 1
        for match in self.search_matches:
            if match_count > 150:
                # TODO: implement proper handling of > 1000 matches
                break
            self.search_field_progress.setValue(match_count)
            match_count += 1
            cursor.setPosition(match.capturedStart())
            cursor.setPosition(match.capturedEnd(), QTextCursor.KeepAnchor)
            cursor.mergeCharFormat(format)
        #self.field.moveCursor(QTextCursor.Start)
        #self.field.moveCursor(F)
        #self.field.ensureCursorVisible()