Python curses.use_default_colors() Examples

def __init__(self):
        #curses.use_default_colors()
        self.define_colour_numbers()
        self._defined_pairs = {}
        self._names         = {}
        try:
            self._max_pairs = curses.COLOR_PAIRS - 1
            do_color = True
        except AttributeError:
            # curses.start_color has failed or has not been called
            do_color = False
            # Disable all color use across the application
            disableColor()
        if do_color and curses.has_colors():
            self.initialize_pairs()
            self.initialize_names() 

def __init__(self):
        #curses.use_default_colors()
        self.define_colour_numbers()
        self._defined_pairs = {}
        self._names         = {}
        try:
            self._max_pairs = curses.COLOR_PAIRS - 1
            do_color = True
        except AttributeError:
            # curses.start_color has failed or has not been called
            do_color = False
            # Disable all color use across the application
            disableColor()
        if do_color and curses.has_colors():
            self.initialize_pairs()
            self.initialize_names() 

def __init__(self):
        #curses.use_default_colors()
        self.define_colour_numbers()
        self._defined_pairs = {}
        self._names         = {}
        try:
            self._max_pairs = curses.COLOR_PAIRS - 1
            do_color = True
        except AttributeError:
            # curses.start_color has failed or has not been called
            do_color = False
            # Disable all color use across the application
            disableColor()
        if do_color and curses.has_colors():
            self.initialize_pairs()
            self.initialize_names() 

def _init_screen() -> 'curses._CursesWindow':
    # set the escape delay so curses does not pause waiting for sequences
    if sys.version_info >= (3, 9):  # pragma: no cover
        curses.set_escdelay(25)
    else:  # pragma: no cover
        os.environ.setdefault('ESCDELAY', '25')

    stdscr = curses.initscr()
    curses.noecho()
    curses.cbreak()
    # <enter> is not transformed into '\n' so it can be differentiated from ^J
    curses.nonl()
    # ^S / ^Q / ^Z / ^\ are passed through
    curses.raw()
    stdscr.keypad(True)

    with contextlib.suppress(curses.error):
        curses.start_color()
        curses.use_default_colors()
    return stdscr 

def setup(stdscr):
    # curses
    curses.use_default_colors()
    curses.init_pair(1, curses.COLOR_RED, -1)
    curses.init_pair(2, curses.COLOR_RED, curses.COLOR_RED)
    curses.init_pair(3, curses.COLOR_GREEN, -1)
    curses.init_pair(4, -1, curses.COLOR_RED)
    try:
        curses.curs_set(False)
    except curses.error:
        # fails on some terminals
        pass
    stdscr.timeout(0)

    # prepare input thread mechanisms
    curses_lock = Lock()
    input_queue = Queue()
    quit_event = Event()
    return (curses_lock, input_queue, quit_event) 

def __init__(self):
        #curses.use_default_colors()
        self.define_colour_numbers()
        self._defined_pairs = {}
        self._names         = {}
        try:
            self._max_pairs = curses.COLOR_PAIRS - 1
            do_color = True
        except AttributeError:
            # curses.start_color has failed or has not been called
            do_color = False
            # Disable all color use across the application
            disableColor()
        if do_color and curses.has_colors():
            self.initialize_pairs()
            self.initialize_names() 

def __init__(self, scanner):
		self.scanner = scanner
		self.screen = curses.initscr()
		curses.noecho()
		curses.cbreak()
		self.screen.keypad(1)
		self.screen.scrollok(True)
		self.x, self.y = self.screen.getmaxyx()
		curses.start_color()
		curses.use_default_colors()
		try:
			self.screen.curs_set(0)
		except:
			try:
				self.screen.curs_set(1)
			except:
				pass 

def init_screen():
    curses.start_color() # load colors
    curses.use_default_colors()
    curses.noecho()      # do not echo text
    curses.cbreak()      # do not wait for "enter"
    curses.mousemask(curses.ALL_MOUSE_EVENTS)

    # Hide cursor, if terminal AND curse supports it
    if hasattr(curses, 'curs_set'):
        try:
            curses.curs_set(0)
        except:
            pass 

def start(self):
        """
        Initialize the screen and input mode.
        """
        assert self._started == False

        self.s = 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(1)
        curses.halfdelay(10) # use set_input_timeouts to adjust
        self.s.keypad(0)
        
        if not self._signal_keys_set:
            self._old_signal_keys = self.tty_signal_keys()

        super(Screen, self).start() 

def import_curses():
    import curses
    if not hasattr(curses, 'use_default_colors'):
        def use_default_colors():
            return
        curses.use_default_colors = use_default_colors
    return curses 

def import_curses():
    import curses
    if not hasattr(curses, 'use_default_colors'):
        def use_default_colors():
            return
        curses.use_default_colors = use_default_colors
    return curses 

def set_colours(colours):
    """
    Set curses colours.

    Arguments:
    colours: Dict with colour information.
    """
    crs.start_color()
    # Define colours.
    if colours['background'] == 'default':
        crs.use_default_colors()
        background = -1
    else:
        crs.init_color(0, *hex_to_rgb(colours['background']))
        background = 0
    crs.init_color(1, *hex_to_rgb(colours['foreground']))
    crs.init_color(2, *hex_to_rgb(colours['highlight']))
    crs.init_color(3, *hex_to_rgb(colours['content1']))
    crs.init_color(4, *hex_to_rgb(colours['content2']))

    # Define colour pairs.
    crs.init_pair(1, 1, background)
    crs.init_pair(2, 2, background)
    crs.init_pair(3, 3, background)
    crs.init_pair(4, 4, background)

    # Set colours.
    crs.start_color()
    common.w.main.bkgdset(' ', crs.color_pair(1))
    common.w.inbar.bkgdset(' ', crs.color_pair(1))
    common.w.infobar.bkgdset(' ', crs.color_pair(2))
    common.w.outbar.bkgdset(' ', crs.color_pair(4))

    common.w.refresh() 

def __init__(self, *args, **keywords):
        curses.use_default_colors()
        super(TransparentThemeDarkText, self).__init__(*args, **keywords) 

def config_curses(self):
        # use the default colors of the terminal
        curses.use_default_colors()
        # hide the cursor
        curses.curs_set(0)
        #add some color for multi_select
        #@todo make colors configurable
        curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_WHITE) 

def init_screen():
    curses.start_color() # load colors
    curses.use_default_colors()
    curses.noecho()      # do not echo text
    curses.cbreak()      # do not wait for "enter"
    curses.mousemask(curses.ALL_MOUSE_EVENTS)

    # Hide cursor, if terminal AND curse supports it
    if hasattr(curses, 'curs_set'):
        try:
            curses.curs_set(0)
        except:
            pass 

def useDefaultColors(self):
        curses.use_default_colors() 

def __init__(self, screen):
        self.screen = screen
        self.screen.scrollok(0)
        curses.curs_set(0)
        curses.use_default_colors()
        curses.init_pair(1, start_color, start_bg)
        curses.init_pair(2, curses.COLOR_WHITE, start_bg)
        curses.init_pair(3, curses.COLOR_BLACK, curses.COLOR_WHITE)
        self.white = curses.color_pair(2) 

def __init__(self, map_name='world', map_conf=None, window=None, encoding=None):
        if map_conf is None:
            map_conf = MAPS[map_name]
        self.map = map_conf['data']
        self.coords = map_conf['coords']
        self.corners = map_conf['corners']
        if window is None:
            window = curses.newwin(0, 0)
        self.window = window

        self.data = []
        self.data_timestamp = None

        # JSON contents _should_ be UTF8 (so, python internal unicode here...)
        if encoding is None:
            encoding = locale.getpreferredencoding()
        self.encoding = encoding

        # check if we can use transparent background or not
        if curses.can_change_color():
            curses.use_default_colors()
            background = -1
        else:
            background = curses.COLOR_BLACK

        tmp_colors = [
            ('red', curses.COLOR_RED, background),
            ('blue', curses.COLOR_BLUE, background),
            ('pink', curses.COLOR_MAGENTA, background)
        ]

        self.colors = {}
        if curses.has_colors():
            for i, (name, fgcolor, bgcolor) in enumerate(tmp_colors, 1):
                curses.init_pair(i, fgcolor, bgcolor)
                self.colors[name] = i 

def __init__(self, stdscr, database) -> None:
        """
        Args:
            stdscr: a stdscr from curses.initscr()
            database: a connected castero.Database
        """
        self._stdscr = stdscr
        self._database = database
        self._parent_x = -1
        self._parent_y = -1
        self._perspectives = {}
        self._active_perspective = 1
        self._header_window = None
        self._footer_window = None
        self._queue = Queue(self)
        self._download_queue = DownloadQueue(self)
        self._status = ""
        self._header_str = ""
        self._footer_str = ""
        self._status_timer = self.STATUS_TIMEOUT
        self._update_timer = self.UPDATE_TIMEOUT
        self._menus_valid = True
        self._modified_episodes = []

        # basic preliminary operations
        self._stdscr.timeout(self.INPUT_TIMEOUT)
        curses.start_color()
        curses.use_default_colors()
        curses.noecho()
        curses.curs_set(0)
        curses.cbreak()
        self._stdscr.keypad(True)

        self.update_parent_dimensions()
        self.create_color_pairs()
        self._load_perspectives()
        self._load_players()
        self._restore_queue()
        self._create_windows()
        self.create_menus() 

def initialize(self):
        """ This can only be executed after curses.wrapper() """
        curses.use_default_colors()  # use the default colors of the terminal
        for name, integer in Colors.CONSTANTS.items():
            color = Color(index=integer, fg=integer, bg=Color.TRANSPARENT)
            self._colors[name] = color 

def __init__(self, *args, **keywords):
        curses.use_default_colors()
        super(TransparentThemeDarkText, self).__init__(*args, **keywords) 

def _screen_color_init(self):
    """Initialization of screen colors."""
    curses.start_color()
    curses.use_default_colors()
    self._color_pairs = {}
    color_index = 0

    # Prepare color pairs.
    for fg_color in self._FOREGROUND_COLORS:
      for bg_color in self._BACKGROUND_COLORS:
        color_index += 1
        curses.init_pair(color_index, self._FOREGROUND_COLORS[fg_color],
                         self._BACKGROUND_COLORS[bg_color])

        color_name = fg_color
        if bg_color != "transparent":
          color_name += "_on_" + bg_color

        self._color_pairs[color_name] = curses.color_pair(color_index)

    # Try getting color(s) available only under 256-color support.
    try:
      color_index += 1
      curses.init_pair(color_index, 245, -1)
      self._color_pairs[cli_shared.COLOR_GRAY] = curses.color_pair(color_index)
    except curses.error:
      # Use fall-back color(s):
      self._color_pairs[cli_shared.COLOR_GRAY] = (
          self._color_pairs[cli_shared.COLOR_GREEN])

    # A_BOLD or A_BLINK is not really a "color". But place it here for
    # convenience.
    self._color_pairs["bold"] = curses.A_BOLD
    self._color_pairs["blink"] = curses.A_BLINK
    self._color_pairs["underline"] = curses.A_UNDERLINE

    # Default color pair to use when a specified color pair does not exist.
    self._default_color_pair = self._color_pairs[cli_shared.COLOR_WHITE] 

def config_curses(self):
        try:
            # use the default colors of the terminal
            curses.use_default_colors()
            # hide the cursor
            curses.curs_set(0)
            # add some color for multi_select
            # @todo make colors configurable
            curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_WHITE)
        except:
            # Curses failed to initialize color support, eg. when TERM=vt100
            curses.initscr() 

def __init__(self, ts, injector, tests, do_tick, disassembler=disas_capstone):
        self.ts = ts;
        self.injector = injector
        self.T = tests
        self.gui_thread = None
        self.do_tick = do_tick
        self.ticks = 0

        self.last_ins_count = 0
        self.delta_log = deque(maxlen=self.RATE_Q)
        self.time_log = deque(maxlen=self.RATE_Q)

        self.disas = disassembler

        self.stdscr = curses.initscr()
        curses.start_color()

        # doesn't work
        # self.orig_colors = [curses.color_content(x) for x in xrange(256)]

        curses.use_default_colors()
        curses.noecho()
        curses.cbreak()
        curses.curs_set(0)
        self.stdscr.nodelay(1)

        self.sx = 0
        self.sy = 0

        self.init_colors()

        self.stdscr.bkgd(curses.color_pair(self.WHITE))

        self.last_time = time.time() 

def __init__(self):
        self.screen = curses.initscr()
        self.screen.timeout(100)  # the screen refresh every 100ms
        # charactor break buffer
        curses.cbreak()
        self.screen.keypad(1)

        curses.start_color()
        if Config().get("curses_transparency"):
            curses.use_default_colors()
            curses.init_pair(1, curses.COLOR_GREEN, -1)
            curses.init_pair(2, curses.COLOR_CYAN, -1)
            curses.init_pair(3, curses.COLOR_RED, -1)
            curses.init_pair(4, curses.COLOR_YELLOW, -1)
        else:
            curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
            curses.init_pair(2, curses.COLOR_CYAN, curses.COLOR_BLACK)
            curses.init_pair(3, curses.COLOR_RED, curses.COLOR_BLACK)
            curses.init_pair(4, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        # term resize handling
        size = terminalsize.get_terminal_size()
        self.x = max(size[0], 10)
        self.y = max(size[1], 25)
        self.startcol = int(float(self.x) / 5)
        self.indented_startcol = max(self.startcol - 3, 0)
        self.update_space()
        self.lyric = ""
        self.now_lyric = ""
        self.post_lyric = ""
        self.now_lyric_index = 0
        self.tlyric = ""
        self.storage = Storage()
        self.config = Config()
        self.newversion = False 

def main(stdscr, *args, **kwargs):
    try:
        curses.use_default_colors()
    except (AttributeError, _curses.error):
        pass
    try:
        curses.curs_set(False)
    except (AttributeError, _curses.error):
        pass
    Viewer(stdscr, *args, **kwargs).run() 

def __init__(self, stdscr, player, timeout):
		self.stdscr = stdscr
		self.height, self.width = stdscr.getmaxyx()
		self.player = player
		self.scroll_pad = curses.newpad(self.player.track.length + 2,
					self.player.track.width + 2)
		self.current_pos = 0
		self.pad_offset = 1
		self.text_padding = 5
		self.keys = Key()

		curses.use_default_colors()
		self.stdscr.timeout(timeout)
		self.set_up() 

def __init__(self, stdscr):
    self._stdscr = stdscr

    # Mappings of names to the curses color attribute. Initially these all
    # reference black text, but if the terminal can handle color then
    # they're set with that foreground color.

    self._colors = dict([(color, 0) for color in COLOR_LIST])

    # allows for background transparency

    try:
      curses.use_default_colors()
    except curses.error:
      pass

    # makes the cursor invisible

    try:
      curses.curs_set(0)
    except curses.error:
      pass

    # initializes colors if the terminal can handle them

    try:
      if curses.has_colors():
        color_pair = 1

        for name, foreground in COLOR_LIST.items():
          background = -1  # allows for default (possibly transparent) background
          curses.init_pair(color_pair, foreground, background)
          self._colors[name] = curses.color_pair(color_pair)
          color_pair += 1
    except curses.error:
      pass 

def _screen_color_init(self):
    """Initialization of screen colors."""
    curses.start_color()
    curses.use_default_colors()
    self._color_pairs = {}
    color_index = 0

    # Prepare color pairs.
    for fg_color in self._FOREGROUND_COLORS:
      for bg_color in self._BACKGROUND_COLORS:
        color_index += 1
        curses.init_pair(color_index, self._FOREGROUND_COLORS[fg_color],
                         self._BACKGROUND_COLORS[bg_color])

        color_name = fg_color
        if bg_color != "transparent":
          color_name += "_on_" + bg_color

        self._color_pairs[color_name] = curses.color_pair(color_index)

    # Try getting color(s) available only under 256-color support.
    try:
      color_index += 1
      curses.init_pair(color_index, 245, -1)
      self._color_pairs[cli_shared.COLOR_GRAY] = curses.color_pair(color_index)
    except curses.error:
      # Use fall-back color(s):
      self._color_pairs[cli_shared.COLOR_GRAY] = (
          self._color_pairs[cli_shared.COLOR_GREEN])

    # A_BOLD or A_BLINK is not really a "color". But place it here for
    # convenience.
    self._color_pairs["bold"] = curses.A_BOLD
    self._color_pairs["blink"] = curses.A_BLINK
    self._color_pairs["underline"] = curses.A_UNDERLINE

    # Default color pair to use when a specified color pair does not exist.
    self._default_color_pair = self._color_pairs[cli_shared.COLOR_WHITE] 

def conf_scr():
    '''Configure the screen and colors/etc'''
    curses.curs_set(0)
    curses.start_color()
    curses.use_default_colors()
    text, banner, banner_text, background = get_theme_colors()
    curses.init_pair(2, text, background)
    curses.init_pair(3, banner_text, banner)
    curses.halfdelay(10)