hex.py 文件源码

def _process_row(self, y, row):
        cols = self.columnCount()
        for x, i in enumerate(range(0, len(row), self._width)):
            block = row[i:i+self._width]
            item = QTableWidgetItem(codecs.encode(block, 'hex').decode())
            item.setBackground(QBrush(QColor('lightgray')))
            item.setForeground(QBrush(QColor('black')))
            item.setTextAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
            item.setData(Qt.UserRole, block)  # store original data
            if self._read_only:
                item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
            else:
                item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsEditable)
            self.setItem(y, x, item)

        # process remaining, unfilled cells
        for j in range(x+1, cols):
            item = QTableWidgetItem()
            item.setBackground(QBrush(QColor('white')))
            item.setFlags(Qt.NoItemFlags)
            item.setTextAlignment(Qt.AlignHCenter)
            self.setItem(y, j, item)

        text = self._bytes_to_ascii(row)
        item = QTableWidgetItem(text)
        item.setData(Qt.UserRole, row)  # store original data
        item.setTextAlignment(Qt.AlignLeft| Qt.AlignVCenter)
        item.setBackground(QBrush(QColor('lightblue')))
        item.setForeground(QBrush(QColor('black')))
        if self._read_only:
            item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
        else:
            item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsEditable)
        self.setItem(y, cols - 1, item)