Method setpos_from_xy

Lib/_pyrepl/reader.py:513–537

Set pos according to coordinates x, y

(self, x: int, y: int)

        self.input_trans = self.input_trans_stack.pop()

    def setpos_from_xy(self, x: int, y: int) -> None:
        """Set pos according to coordinates x, y"""
        pos = 0
        i = 0
        while i < y:
            prompt_len, char_widths = self.screeninfo[i]
            offset = len(char_widths)
            in_wrapped_line = prompt_len + sum(char_widths) >= self.console.width
            if in_wrapped_line:
                pos += offset - 1  # -1 cause backslash is not in buffer
            else:
                pos += offset + 1  # +1 cause newline is in buffer
            i += 1

        j = 0
        cur_x = self.screeninfo[i][0]
        while cur_x < x:
            if self.screeninfo[i][1][j] == 0:
                j += 1  # prevent potential future infinite loop
                continue
            cur_x += self.screeninfo[i][1][j]
            j += 1
            pos += 1

        self.pos = pos

    def pos2xy(self) -> tuple[int, int]:
        """Return the x, y coordinates of position 'pos'."""