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| 1 | +#!/usr/bin/env python3 |
| 2 | +# -*- coding: utf-8 -*- |
| 3 | + |
| 4 | +""" |
| 5 | +Testing out the curses lib. |
| 6 | +""" |
| 7 | + |
| 8 | +import curses |
| 9 | + |
| 10 | +def debug(str): |
| 11 | + """ |
| 12 | + Ease debugging with curese by writing string to file. |
| 13 | + """ |
| 14 | + |
| 15 | + with open("debug.txt", "a") as f: |
| 16 | + f.write(str + "\n") |
| 17 | + |
| 18 | + |
| 19 | + |
| 20 | +def dump(scr, startX, startY, endX, endY): |
| 21 | + """ |
| 22 | + Dump content of part of screen, do not output empty content. |
| 23 | + """ |
| 24 | + |
| 25 | + with open("output.txt", "w") as f: |
| 26 | + for y in range(startY, endY): |
| 27 | + for x in range(startX, endX): |
| 28 | + |
| 29 | + # Get the character from screen |
| 30 | + ch = scr.inch(y, x) |
| 31 | + debug(str(x) + " - " + str(y) + ": " + str(ch)) |
| 32 | + |
| 33 | + # Output only if not space |
| 34 | + if(ch != 32): |
| 35 | + ch = chr(ch & 0x00ff) |
| 36 | + f.write(ch) |
| 37 | + |
| 38 | + |
| 39 | + |
| 40 | +def main(scr): |
| 41 | + """ |
| 42 | + Draw a border around the screen, move around using the cursor and leave a mark |
| 43 | + of the latest pressed character on the keyboard. |
| 44 | +
|
| 45 | + Perhaps you could make a nice painting using asciart? |
| 46 | +
|
| 47 | + Quit using 'q'. |
| 48 | + """ |
| 49 | + |
| 50 | + # Clear the screen of any output |
| 51 | + scr.clear() |
| 52 | + |
| 53 | + # Get screen dimensions |
| 54 | + y1, x1 = scr.getmaxyx() |
| 55 | + y1 -= 1 |
| 56 | + x1 -= 1 |
| 57 | + |
| 58 | + y0, x0 = 0, 0 |
| 59 | + |
| 60 | + # Get center position |
| 61 | + yc, xc = (y1-y0)//2, (x1-x0)//2 |
| 62 | + |
| 63 | + # Draw a border |
| 64 | + scr.border() |
| 65 | + |
| 66 | + # Move cursor to center |
| 67 | + scr.move(yc, xc) |
| 68 | + |
| 69 | + # Refresh to draw out |
| 70 | + scr.refresh() |
| 71 | + |
| 72 | + # Main loop |
| 73 | + x = xc |
| 74 | + y = yc |
| 75 | + ch = 'o' |
| 76 | + |
| 77 | + while True: |
| 78 | + key = scr.getkey() |
| 79 | + if key == 'q': |
| 80 | + break |
| 81 | + elif key == 'o': |
| 82 | + dump(scr, 1, 1, x1, y1) |
| 83 | + break |
| 84 | + elif key == 'KEY_UP': |
| 85 | + y -= 1 |
| 86 | + elif key == 'KEY_DOWN': |
| 87 | + y += 1 |
| 88 | + elif key == 'KEY_LEFT': |
| 89 | + x -= 1 |
| 90 | + elif key == 'KEY_RIGHT': |
| 91 | + x += 1 |
| 92 | + else: |
| 93 | + ch = key |
| 94 | + |
| 95 | + # Draw out the char at cursor positino |
| 96 | + scr.addstr(ch) |
| 97 | + |
| 98 | + # Move cursor to new position |
| 99 | + scr.move(y, x) |
| 100 | + |
| 101 | + # Redraw all items on the screen |
| 102 | + scr.refresh() |
| 103 | + |
| 104 | + |
| 105 | + |
| 106 | +if __name__ == "__main__": |
| 107 | + print(__doc__) |
| 108 | + print(main.__doc__) |
| 109 | + input("Press enter to begin playing...") |
| 110 | + curses.wrapper(main) |
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