def init_colors():
"""
Initialize color pairs from the terminal color palette.
Pair 0 is the default, pairs 1-16 are the palette colors,
pairs 17-32 are palette colors with a different background.
We assume that color 8 has good contrast with other colors.
"""
global HAS_COLORS
HAS_COLORS = curses.has_colors()
if HAS_COLORS:
curses.start_color()
curses.use_default_colors()
global HAS_BACKGROUND_COLORS
HAS_BACKGROUND_COLORS = True
if HAS_BACKGROUND_COLORS:
info('Terminal supports background colors.')
else:
info('Terminal does not support background colors.')
global COLOR_PAIRS
#COLOR_PAIRS = min(16, curses.COLORS)
COLOR_PAIRS = 16
info('Terminal supports {} colors. Using {} colorpairs.'.format(16, COLOR_PAIRS))
for i in range(COLOR_PAIRS):
curses.init_pair(i + 1, i, -1)
try:
curses.init_pair(i + 1 + COLOR_PAIRS, i, 8)
curses.init_pair(i + 1 + COLOR_PAIRS + COLOR_PAIRS, i, 9)
except:
HAS_BACKGROUND_COLORS = False
def _start(self):
"""
Initialize the screen and input mode.
"""
self.stdscr = curses.initscr()
self.has_color = curses.has_colors()
if self.has_color:
curses.start_color()
if curses_.COLORS < 8:
# not colourful enough
self.has_color = False
if self.has_color:
try:
curses.use_default_colors()
self.has_default_colors=True
except _curses.error:
self.has_default_colors=False
self._setup_colour_pairs()
curses.noecho()
# curses.meta(None, 1)
#todo
curses.meta( None,1)
curses.halfdelay(1) # use set_input_timeouts to adjust
self.stdscr.keypad(True)
if not self._signal_keys_set:
self._old_signal_keys = self.tty_signal_keys()
self.set_mouse_tracking(True)
super(Screen, self)._start()
def main():
if not curses.has_colors():
print("Your terminal emulator needs to have colors.")
return 0
## Curses normal init sequence
stdscr = curses.initscr()
curses.noecho() # no echo, but we still see the cursor
curses.curs_set(False) #turns off the cursor drawing
stdscr.keypad(True) # allows special keys and arrow keys
try:
curses.start_color()
curses.update_panels()
curses.doupdate()
while True:
key = curses.getch()
if key == 27:
break
curses.update_panels()
curses.doupdate()
except Exception as e:
stdscr.addstr(0, 0, str(e))
stdscr.getch()
finally:
curses.endwin()
return 0
def main():
if not curses.has_colors():
print("Your terminal emulator needs to have colors.")
return 0
## Curses normal init sequence
stdscr = curses.initscr()
curses.noecho() # no echo, but we still see the cursor
curses.curs_set(False) #turns off the cursor drawing
stdscr.keypad(True) # allows special keys and arrow keys
try:
curses.start_color()
avatar = Player(stdscr, "@", curses.COLOR_RED, curses.COLOR_BLACK,
curses.A_BOLD)
curses.attron(curses.color_pair(1))
curses.vline("|", 10)
curses.hline("-", 10)
curses.attroff(curses.color_pair(1))
while True:
key = curses.getch()
avatar.move(key)
if key == 27:
break
curses.update_panels()
curses.doupdate()
except Exception as e:
stdscr.addstr(0, 0, str(e))
stdscr.getch()
finally:
curses.endwin()
return 0
