111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
import curses
|
|
import time
|
|
|
|
# Using readlines()
|
|
file1 = open("test", "r")
|
|
lines = file1.readlines()
|
|
debug_text = False
|
|
|
|
|
|
def show_debug_text(stdscr, width, height, start_x_file):
|
|
"""debug text for the tomb of doom"""
|
|
whstr = "Width: {}, Height: {}".format(width, height)
|
|
stdscr.addstr(0, 0, whstr, curses.color_pair(1))
|
|
file_string = "X position of text: {}".format(start_x_file)
|
|
stdscr.addstr(1, 0, file_string, curses.color_pair(1))
|
|
|
|
|
|
def draw_scroll(stdscr):
|
|
# Clear and refresh the screen for a blank screen
|
|
# Set delay to no, to not wait for keyboard press
|
|
stdscr.nodelay(1)
|
|
stdscr.clear()
|
|
stdscr.refresh()
|
|
start_x_file = 80
|
|
rotation = 1
|
|
# Start colors in curses
|
|
curses.start_color()
|
|
curses.init_pair(1, curses.COLOR_CYAN, curses.COLOR_BLACK)
|
|
curses.init_pair(2, curses.COLOR_RED, curses.COLOR_BLACK)
|
|
curses.init_pair(3, curses.COLOR_GREEN, curses.COLOR_BLACK)
|
|
curses.init_pair(4, curses.COLOR_BLUE, curses.COLOR_BLACK)
|
|
curses.init_pair(5, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
|
|
curses.init_pair(6, curses.COLOR_YELLOW, curses.COLOR_BLACK)
|
|
|
|
while True:
|
|
# Loop where k is the last character pressed
|
|
stdscr.clear()
|
|
height, width = stdscr.getmaxyx()
|
|
|
|
# Declaration of strings
|
|
title = "Curses horizontal scroller test"[: width - 1]
|
|
subtitle = "Crunk Varia"[: width - 1]
|
|
|
|
hwidth = width // 2
|
|
# Centering calculations
|
|
start_x_title = int((hwidth) - (len(title) // 2) - len(title) % 2)
|
|
start_x_subtitle = int(
|
|
(hwidth) - (len(subtitle) // 2) - len(subtitle) % 2
|
|
)
|
|
start_y = int((height) - 2)
|
|
if debug_text:
|
|
show_debug_text(stdscr, width, height, start_x_file)
|
|
|
|
line_count = 0
|
|
for line in lines:
|
|
ch_count = 0
|
|
for character in line:
|
|
if (
|
|
ch_count + start_x_file < width
|
|
and ch_count + start_x_file > 0
|
|
):
|
|
stdscr.addch(
|
|
3 + line_count,
|
|
start_x_file + ch_count,
|
|
character,
|
|
curses.color_pair(rotation),
|
|
)
|
|
ch_count += 1
|
|
line_count += 1
|
|
|
|
# Turning on attributes for title
|
|
stdscr.attron(curses.color_pair(2))
|
|
stdscr.attron(curses.A_BOLD)
|
|
|
|
# Rendering title
|
|
stdscr.addstr(start_y, start_x_title, title)
|
|
|
|
# Turning off attributes for title
|
|
stdscr.attroff(curses.color_pair(2))
|
|
stdscr.attroff(curses.A_BOLD)
|
|
|
|
stdscr.addstr(start_y + 1, start_x_subtitle, subtitle)
|
|
# Refresh the screen
|
|
stdscr.refresh()
|
|
time.sleep(1.0 / 30)
|
|
|
|
start_x_file -= 1
|
|
if start_x_file < -80:
|
|
start_x_file = 80
|
|
rotation += 1
|
|
if rotation > 6:
|
|
rotation = 1
|
|
|
|
key_pressed = stdscr.getch() != -1
|
|
if key_pressed:
|
|
raise KeyboardInterrupt()
|
|
|
|
|
|
def main():
|
|
curses.wrapper(draw_scroll)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
main()
|
|
except KeyboardInterrupt:
|
|
curses.endwin()
|
|
curses.curs_set(1)
|
|
curses.reset_shell_mode()
|
|
curses.echo()
|