69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
import curses
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import time
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import sys
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LETTER_PAUSE = 5
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INPUT_PAUSE = 500 # ms
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TYPE_DELAY = 40
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HIDDEN_MASK = '*'
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NEWLINE = 10
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DELETE = 127
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def slowWrite(window, text, pause = LETTER_PAUSE):
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"""
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wrapper for curses.addstr() which writes the text slowely
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"""
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for i in range(len(text)):
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window.addstr(text[i])
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window.refresh()
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curses.napms(pause)
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def upperInput(window, hidden = False, can_newline = True):
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"""
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Reads user input until enter key is pressed. Echoes the input in upper case
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hidden - if true the output will be masked
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can_newline - if true the input is followed by a newline and the screen is
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scrolled if necessary
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"""
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inchar = 0
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instr = ''
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while inchar != NEWLINE:
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inchar = window.getch()
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# convert lower case to upper
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if inchar > 96 and inchar < 123:
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inchar -= 32
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# deal with backspace
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if inchar == DELETE:
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if len(instr) > 0:
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instr = instr[:-1]
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cur = window.getyx()
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window.move(cur[0], cur[1] - 1)
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window.clrtobot()
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else:
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continue
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elif inchar > 255:
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continue
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# output the character
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elif inchar != NEWLINE:
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instr += chr(inchar)
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if hidden:
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window.addch(HIDDEN_MASK)
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else:
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window.addch(inchar)
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elif can_newline:
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window.addch(NEWLINE)
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return instr
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def centeredWrite(window, text, pause = LETTER_PAUSE):
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"""
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Writes to the current line but centers the text
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"""
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width = window.getmaxyx()[1]
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window.move(window.getyx()[0], int(width / 2 - len(text) / 2))
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slowWrite(window, text, pause)
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