def unIndentBlock(block):
            currentIndent = blockIndentation(block)

            if currentIndent.endswith('\t'):
                charsToRemove = 1
            elif withSpace:
                charsToRemove = 1 if currentIndent else 0
            else:
                if self.useTabs:
                    charsToRemove = min(spacesCount(currentIndent), self.width)
                else:  # spaces
                    if currentIndent.endswith(self.text()):  # remove indent level
                        charsToRemove = self.width
                    else:  # remove all spaces
                        charsToRemove = min(spacesCount(currentIndent), self.width)

            if charsToRemove:
                cursor = cursorAtSpaceEnd(block)
                cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
                cursor.removeSelectedText()
def reset(cls):
        cls.info = [
            [
                "Keyboard Control:",
                "  auto repeat:  on    key click percent:  0    LED mask:  00000002",
                "  XKB indicators:",
                "    00: Caps Lock:   off    01: Num Lock:    on     02: Scroll Lock: off",
                "    03: Compose:     off    04: Kana:        off    05: Sleep:       off",
            ],
            [
                "Keyboard Control:",
                "  auto repeat:  on    key click percent:  0    LED mask:  00000002",
                "  XKB indicators:",
                "    00: Caps Lock:   on     01: Num Lock:    on     02: Scroll Lock: off",
                "    03: Compose:     off    04: Kana:        off    05: Sleep:       off",
            ],
        ]
        cls.index = 0
        cls.is_error = False