def cursor_forward(self, amount):
sr = self.get_win32_screen_buffer_info().dwCursorPosition
# assert sr.X + amount >= 0, 'Negative cursor position: x=%r amount=%r' % (sr.X, amount)
pos = COORD(max(0, sr.X + amount), sr.Y)
self._winapi(windll.kernel32.SetConsoleCursorPosition, self.hconsole,
_coord_byval(pos))
def erase_screen(self):
start = COORD(0, 0)
sbinfo = self.get_win32_screen_buffer_info()
length = sbinfo.dwSize.X * sbinfo.dwSize.Y
self.cursor_goto(row=0, column=0)
self._erase(start, length)
def cursor_up(self, amount):
sr = self.get_win32_screen_buffer_info().dwCursorPosition
pos = COORD(sr.X, sr.Y - amount)
self._winapi(windll.kernel32.SetConsoleCursorPosition, self.hconsole,
_coord_byval(pos))
def cursor_goto(self, row=0, column=0):
pos = COORD(x=column, y=row)
self._winapi(windll.kernel32.SetConsoleCursorPosition, self.hconsole,
_coord_byval(pos))
def cursor_move(self, drow=0, dcolumn=0):
sr = self.get_win32_screen_buffer_info().dwCursorPosition
pos = COORD(sr.X + dcolumn, sr.Y - drow)
self._winapi(windll.kernel32.SetConsoleCursorPosition, self.hconsole,
_coord_byval(pos))
def cursor_goto(self, row: int = 0, column: int = 0) -> None:
pos = COORD(X=column, Y=row)
self._winapi(windll.kernel32.SetConsoleCursorPosition, self.hconsole,
_coord_byval(pos))
