The curses.textpad module provides a Textbox class
that handles elementary text editing in a curses window, supporting a
set of keybindings resembling those of Emacs (thus, also of Netscape
Navigator, BBedit 6.x, FrameMaker, and many other programs). The
module also provides a rectangle-drawing function useful for framing
text boxes or for other purposes.
The module curses.textpad defines the following function:
win, uly, ulx, lry, lrx)
Draw a rectangle. The first argument must be a window object; the
remaining arguments are coordinates relative to that window. The
second and third arguments are the y and x coordinates of the upper
left hand corner of the rectangle to be drawn; the fourth and fifth
arguments are the y and x coordinates of the lower right hand corner.
The rectangle will be drawn using VT100/IBM PC forms characters on
terminals that make this possible (including xterm and most other
software terminal emulators). Otherwise it will be drawn with ASCII
dashes, vertical bars, and plus signs.