diff options
Diffstat (limited to 'powerline/colorscheme.py')
| -rw-r--r-- | powerline/colorscheme.py | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/powerline/colorscheme.py b/powerline/colorscheme.py new file mode 100644 index 0000000..66416b5 --- /dev/null +++ b/powerline/colorscheme.py @@ -0,0 +1,147 @@ +# vim:fileencoding=utf-8:noet +from __future__ import (unicode_literals, division, absolute_import, print_function) + +from copy import copy + +from powerline.lib.unicode import unicode + + +DEFAULT_MODE_KEY = None +ATTR_BOLD = 1 +ATTR_ITALIC = 2 +ATTR_UNDERLINE = 4 + + +def get_attrs_flag(attrs): + '''Convert an attribute array to a renderer flag.''' + attrs_flag = 0 + if 'bold' in attrs: + attrs_flag |= ATTR_BOLD + if 'italic' in attrs: + attrs_flag |= ATTR_ITALIC + if 'underline' in attrs: + attrs_flag |= ATTR_UNDERLINE + return attrs_flag + + +def pick_gradient_value(grad_list, gradient_level): + '''Given a list of colors and gradient percent, return a color that should be used. + + Note: gradient level is not checked for being inside [0, 100] interval. + ''' + return grad_list[int(round(gradient_level * (len(grad_list) - 1) / 100))] + + +class Colorscheme(object): + def __init__(self, colorscheme_config, colors_config): + '''Initialize a colorscheme.''' + self.colors = {} + self.gradients = {} + + self.groups = colorscheme_config['groups'] + self.translations = colorscheme_config.get('mode_translations', {}) + + # Create a dict of color tuples with both a cterm and hex value + for color_name, color in colors_config['colors'].items(): + try: + self.colors[color_name] = (color[0], int(color[1], 16)) + except TypeError: + self.colors[color_name] = (color, cterm_to_hex[color]) + + # Create a dict of gradient names with two lists: for cterm and hex + # values. Two lists in place of one list of pairs were chosen because + # true colors allow more precise gradients. + for gradient_name, gradient in colors_config['gradients'].items(): + if len(gradient) == 2: + self.gradients[gradient_name] = ( + (gradient[0], [int(color, 16) for color in gradient[1]])) + else: + self.gradients[gradient_name] = ( + (gradient[0], [cterm_to_hex[color] for color in gradient[0]])) + + def get_gradient(self, gradient, gradient_level): + if gradient in self.gradients: + return tuple((pick_gradient_value(grad_list, gradient_level) for grad_list in self.gradients[gradient])) + else: + return self.colors[gradient] + + def get_group_props(self, mode, trans, group, translate_colors=True): + if isinstance(group, (str, unicode)): + try: + group_props = trans['groups'][group] + except KeyError: + try: + group_props = self.groups[group] + except KeyError: + return None + else: + return self.get_group_props(mode, trans, group_props, True) + else: + return self.get_group_props(mode, trans, group_props, False) + else: + if translate_colors: + group_props = copy(group) + try: + ctrans = trans['colors'] + except KeyError: + pass + else: + for key in ('fg', 'bg'): + try: + group_props[key] = ctrans[group_props[key]] + except KeyError: + pass + return group_props + else: + return group + + def get_highlighting(self, groups, mode, gradient_level=None): + trans = self.translations.get(mode, {}) + for group in groups: + group_props = self.get_group_props(mode, trans, group) + if group_props: + break + else: + raise KeyError('Highlighting groups not found in colorscheme: ' + ', '.join(groups)) + + if gradient_level is None: + pick_color = self.colors.__getitem__ + else: + pick_color = lambda gradient: self.get_gradient(gradient, gradient_level) + + return { + 'fg': pick_color(group_props['fg']), + 'bg': pick_color(group_props['bg']), + 'attrs': get_attrs_flag(group_props.get('attrs', [])), + } + + +# 0 1 2 3 4 5 6 7 8 9 +cterm_to_hex = ( + 0x000000, 0xc00000, 0x008000, 0x804000, 0x0000c0, 0xc000c0, 0x008080, 0xc0c0c0, 0x808080, 0xff6060, # 0 + 0x00ff00, 0xffff00, 0x8080ff, 0xff40ff, 0x00ffff, 0xffffff, 0x000000, 0x00005f, 0x000087, 0x0000af, # 1 + 0x0000d7, 0x0000ff, 0x005f00, 0x005f5f, 0x005f87, 0x005faf, 0x005fd7, 0x005fff, 0x008700, 0x00875f, # 2 + 0x008787, 0x0087af, 0x0087d7, 0x0087ff, 0x00af00, 0x00af5f, 0x00af87, 0x00afaf, 0x00afd7, 0x00afff, # 3 + 0x00d700, 0x00d75f, 0x00d787, 0x00d7af, 0x00d7d7, 0x00d7ff, 0x00ff00, 0x00ff5f, 0x00ff87, 0x00ffaf, # 4 + 0x00ffd7, 0x00ffff, 0x5f0000, 0x5f005f, 0x5f0087, 0x5f00af, 0x5f00d7, 0x5f00ff, 0x5f5f00, 0x5f5f5f, # 5 + 0x5f5f87, 0x5f5faf, 0x5f5fd7, 0x5f5fff, 0x5f8700, 0x5f875f, 0x5f8787, 0x5f87af, 0x5f87d7, 0x5f87ff, # 6 + 0x5faf00, 0x5faf5f, 0x5faf87, 0x5fafaf, 0x5fafd7, 0x5fafff, 0x5fd700, 0x5fd75f, 0x5fd787, 0x5fd7af, # 7 + 0x5fd7d7, 0x5fd7ff, 0x5fff00, 0x5fff5f, 0x5fff87, 0x5fffaf, 0x5fffd7, 0x5fffff, 0x870000, 0x87005f, # 8 + 0x870087, 0x8700af, 0x8700d7, 0x8700ff, 0x875f00, 0x875f5f, 0x875f87, 0x875faf, 0x875fd7, 0x875fff, # 9 + 0x878700, 0x87875f, 0x878787, 0x8787af, 0x8787d7, 0x8787ff, 0x87af00, 0x87af5f, 0x87af87, 0x87afaf, # 10 + 0x87afd7, 0x87afff, 0x87d700, 0x87d75f, 0x87d787, 0x87d7af, 0x87d7d7, 0x87d7ff, 0x87ff00, 0x87ff5f, # 11 + 0x87ff87, 0x87ffaf, 0x87ffd7, 0x87ffff, 0xaf0000, 0xaf005f, 0xaf0087, 0xaf00af, 0xaf00d7, 0xaf00ff, # 12 + 0xaf5f00, 0xaf5f5f, 0xaf5f87, 0xaf5faf, 0xaf5fd7, 0xaf5fff, 0xaf8700, 0xaf875f, 0xaf8787, 0xaf87af, # 13 + 0xaf87d7, 0xaf87ff, 0xafaf00, 0xafaf5f, 0xafaf87, 0xafafaf, 0xafafd7, 0xafafff, 0xafd700, 0xafd75f, # 14 + 0xafd787, 0xafd7af, 0xafd7d7, 0xafd7ff, 0xafff00, 0xafff5f, 0xafff87, 0xafffaf, 0xafffd7, 0xafffff, # 15 + 0xd70000, 0xd7005f, 0xd70087, 0xd700af, 0xd700d7, 0xd700ff, 0xd75f00, 0xd75f5f, 0xd75f87, 0xd75faf, # 16 + 0xd75fd7, 0xd75fff, 0xd78700, 0xd7875f, 0xd78787, 0xd787af, 0xd787d7, 0xd787ff, 0xd7af00, 0xd7af5f, # 17 + 0xd7af87, 0xd7afaf, 0xd7afd7, 0xd7afff, 0xd7d700, 0xd7d75f, 0xd7d787, 0xd7d7af, 0xd7d7d7, 0xd7d7ff, # 18 + 0xd7ff00, 0xd7ff5f, 0xd7ff87, 0xd7ffaf, 0xd7ffd7, 0xd7ffff, 0xff0000, 0xff005f, 0xff0087, 0xff00af, # 19 + 0xff00d7, 0xff00ff, 0xff5f00, 0xff5f5f, 0xff5f87, 0xff5faf, 0xff5fd7, 0xff5fff, 0xff8700, 0xff875f, # 20 + 0xff8787, 0xff87af, 0xff87d7, 0xff87ff, 0xffaf00, 0xffaf5f, 0xffaf87, 0xffafaf, 0xffafd7, 0xffafff, # 21 + 0xffd700, 0xffd75f, 0xffd787, 0xffd7af, 0xffd7d7, 0xffd7ff, 0xffff00, 0xffff5f, 0xffff87, 0xffffaf, # 22 + 0xffffd7, 0xffffff, 0x080808, 0x121212, 0x1c1c1c, 0x262626, 0x303030, 0x3a3a3a, 0x444444, 0x4e4e4e, # 23 + 0x585858, 0x626262, 0x6c6c6c, 0x767676, 0x808080, 0x8a8a8a, 0x949494, 0x9e9e9e, 0xa8a8a8, 0xb2b2b2, # 24 + 0xbcbcbc, 0xc6c6c6, 0xd0d0d0, 0xdadada, 0xe4e4e4, 0xeeeeee # 25 +) |