1""" 
    2The default styling. 
    3""" 
    4 
    5from __future__ import annotations 
    6 
    7from prompt_toolkit.cache import memoized 
    8 
    9from .base import ANSI_COLOR_NAMES, BaseStyle 
    10from .named_colors import NAMED_COLORS 
    11from .style import Style, merge_styles 
    12 
    13__all__ = [ 
    14    "default_ui_style", 
    15    "default_pygments_style", 
    16] 
    17 
    18#: Default styling. Mapping from classnames to their style definition. 
    19PROMPT_TOOLKIT_STYLE = [ 
    20    # Highlighting of search matches in document. 
    21    ("search", "bg:ansibrightyellow ansiblack"), 
    22    ("search.current", ""), 
    23    # Incremental search. 
    24    ("incsearch", ""), 
    25    ("incsearch.current", "reverse"), 
    26    # Highlighting of select text in document. 
    27    ("selected", "reverse"), 
    28    ("cursor-column", "bg:#dddddd"), 
    29    ("cursor-line", "underline"), 
    30    ("color-column", "bg:#ccaacc"), 
    31    # Highlighting of matching brackets. 
    32    ("matching-bracket", ""), 
    33    ("matching-bracket.other", "#000000 bg:#aacccc"), 
    34    ("matching-bracket.cursor", "#ff8888 bg:#880000"), 
    35    # Styling of other cursors, in case of block editing. 
    36    ("multiple-cursors", "#000000 bg:#ccccaa"), 
    37    # Line numbers. 
    38    ("line-number", "#888888"), 
    39    ("line-number.current", "bold"), 
    40    ("tilde", "#8888ff"), 
    41    # Default prompt. 
    42    ("prompt", ""), 
    43    ("prompt.arg", "noinherit"), 
    44    ("prompt.arg.text", ""), 
    45    ("prompt.search", "noinherit"), 
    46    ("prompt.search.text", ""), 
    47    # Search toolbar. 
    48    ("search-toolbar", "bold"), 
    49    ("search-toolbar.text", "nobold"), 
    50    # System toolbar 
    51    ("system-toolbar", "bold"), 
    52    ("system-toolbar.text", "nobold"), 
    53    # "arg" toolbar. 
    54    ("arg-toolbar", "bold"), 
    55    ("arg-toolbar.text", "nobold"), 
    56    # Validation toolbar. 
    57    ("validation-toolbar", "bg:#550000 #ffffff"), 
    58    ("window-too-small", "bg:#550000 #ffffff"), 
    59    # Completions toolbar. 
    60    ("completion-toolbar", "bg:#bbbbbb #000000"), 
    61    ("completion-toolbar.arrow", "bg:#bbbbbb #000000 bold"), 
    62    ("completion-toolbar.completion", "bg:#bbbbbb #000000"), 
    63    ("completion-toolbar.completion.current", "bg:#444444 #ffffff"), 
    64    # Completions menu. 
    65    ("completion-menu", "bg:#bbbbbb #000000"), 
    66    ("completion-menu.completion", ""), 
    67    # (Note: for the current completion, we use 'reverse' on top of fg/bg 
    68    # colors. This is to have proper rendering with NO_COLOR=1). 
    69    ("completion-menu.completion.current", "fg:#888888 bg:#ffffff reverse"), 
    70    ("completion-menu.meta.completion", "bg:#999999 #000000"), 
    71    ("completion-menu.meta.completion.current", "bg:#aaaaaa #000000"), 
    72    ("completion-menu.multi-column-meta", "bg:#aaaaaa #000000"), 
    73    # Fuzzy matches in completion menu (for FuzzyCompleter). 
    74    ("completion-menu.completion fuzzymatch.outside", "fg:#444444"), 
    75    ("completion-menu.completion fuzzymatch.inside", "bold"), 
    76    ("completion-menu.completion fuzzymatch.inside.character", "underline"), 
    77    ("completion-menu.completion.current fuzzymatch.outside", "fg:default"), 
    78    ("completion-menu.completion.current fuzzymatch.inside", "nobold"), 
    79    # Styling of readline-like completions. 
    80    ("readline-like-completions", ""), 
    81    ("readline-like-completions.completion", ""), 
    82    ("readline-like-completions.completion fuzzymatch.outside", "#888888"), 
    83    ("readline-like-completions.completion fuzzymatch.inside", ""), 
    84    ("readline-like-completions.completion fuzzymatch.inside.character", "underline"), 
    85    # Scrollbars. 
    86    ("scrollbar.background", "bg:#aaaaaa"), 
    87    ("scrollbar.button", "bg:#444444"), 
    88    ("scrollbar.arrow", "noinherit bold"), 
    89    # Start/end of scrollbars. Adding 'underline' here provides a nice little 
    90    # detail to the progress bar, but it doesn't look good on all terminals. 
    91    # ('scrollbar.start',                          'underline #ffffff'), 
    92    # ('scrollbar.end',                            'underline #000000'), 
    93    # Auto suggestion text. 
    94    ("auto-suggestion", "#666666"), 
    95    # Trailing whitespace and tabs. 
    96    ("trailing-whitespace", "#999999"), 
    97    ("tab", "#999999"), 
    98    # When Control-C/D has been pressed. Grayed. 
    99    ("aborting", "#888888 bg:default noreverse noitalic nounderline noblink"), 
    100    ("exiting", "#888888 bg:default noreverse noitalic nounderline noblink"), 
    101    # Entering a Vi digraph. 
    102    ("digraph", "#4444ff"), 
    103    # Control characters, like ^C, ^X. 
    104    ("control-character", "ansiblue"), 
    105    # Non-breaking space. 
    106    ("nbsp", "underline ansiyellow"), 
    107    # Default styling of HTML elements. 
    108    ("i", "italic"), 
    109    ("u", "underline"), 
    110    ("s", "strike"), 
    111    ("b", "bold"), 
    112    ("em", "italic"), 
    113    ("strong", "bold"), 
    114    ("del", "strike"), 
    115    ("hidden", "hidden"), 
    116    # It should be possible to use the style names in HTML. 
    117    # <reverse>...</reverse>  or <noreverse>...</noreverse>. 
    118    ("italic", "italic"), 
    119    ("underline", "underline"), 
    120    ("strike", "strike"), 
    121    ("bold", "bold"), 
    122    ("reverse", "reverse"), 
    123    ("noitalic", "noitalic"), 
    124    ("nounderline", "nounderline"), 
    125    ("nostrike", "nostrike"), 
    126    ("nobold", "nobold"), 
    127    ("noreverse", "noreverse"), 
    128    # Prompt bottom toolbar 
    129    ("bottom-toolbar", "reverse"), 
    130] 
    131 
    132 
    133# Style that will turn for instance the class 'red' into 'red'. 
    134COLORS_STYLE = [(name, "fg:" + name) for name in ANSI_COLOR_NAMES] + [ 
    135    (name.lower(), "fg:" + name) for name in NAMED_COLORS 
    136] 
    137 
    138 
    139WIDGETS_STYLE = [ 
    140    # Dialog windows. 
    141    ("dialog", "bg:#4444ff"), 
    142    ("dialog.body", "bg:#ffffff #000000"), 
    143    ("dialog.body text-area", "bg:#cccccc"), 
    144    ("dialog.body text-area last-line", "underline"), 
    145    ("dialog frame.label", "#ff0000 bold"), 
    146    # Scrollbars in dialogs. 
    147    ("dialog.body scrollbar.background", ""), 
    148    ("dialog.body scrollbar.button", "bg:#000000"), 
    149    ("dialog.body scrollbar.arrow", ""), 
    150    ("dialog.body scrollbar.start", "nounderline"), 
    151    ("dialog.body scrollbar.end", "nounderline"), 
    152    # Buttons. 
    153    ("button", ""), 
    154    ("button.arrow", "bold"), 
    155    ("button.focused", "bg:#aa0000 #ffffff"), 
    156    # Menu bars. 
    157    ("menu-bar", "bg:#aaaaaa #000000"), 
    158    ("menu-bar.selected-item", "bg:#ffffff #000000"), 
    159    ("menu", "bg:#888888 #ffffff"), 
    160    ("menu.border", "#aaaaaa"), 
    161    ("menu.border shadow", "#444444"), 
    162    # Shadows. 
    163    ("dialog shadow", "bg:#000088"), 
    164    ("dialog.body shadow", "bg:#aaaaaa"), 
    165    ("progress-bar", "bg:#000088"), 
    166    ("progress-bar.used", "bg:#ff0000"), 
    167] 
    168 
    169 
    170# The default Pygments style, include this by default in case a Pygments lexer 
    171# is used. 
    172PYGMENTS_DEFAULT_STYLE = { 
    173    "pygments.whitespace": "#bbbbbb", 
    174    "pygments.comment": "italic #408080", 
    175    "pygments.comment.preproc": "noitalic #bc7a00", 
    176    "pygments.keyword": "bold #008000", 
    177    "pygments.keyword.pseudo": "nobold", 
    178    "pygments.keyword.type": "nobold #b00040", 
    179    "pygments.operator": "#666666", 
    180    "pygments.operator.word": "bold #aa22ff", 
    181    "pygments.name.builtin": "#008000", 
    182    "pygments.name.function": "#0000ff", 
    183    "pygments.name.class": "bold #0000ff", 
    184    "pygments.name.namespace": "bold #0000ff", 
    185    "pygments.name.exception": "bold #d2413a", 
    186    "pygments.name.variable": "#19177c", 
    187    "pygments.name.constant": "#880000", 
    188    "pygments.name.label": "#a0a000", 
    189    "pygments.name.entity": "bold #999999", 
    190    "pygments.name.attribute": "#7d9029", 
    191    "pygments.name.tag": "bold #008000", 
    192    "pygments.name.decorator": "#aa22ff", 
    193    # Note: In Pygments, Token.String is an alias for Token.Literal.String, 
    194    #       and Token.Number as an alias for Token.Literal.Number. 
    195    "pygments.literal.string": "#ba2121", 
    196    "pygments.literal.string.doc": "italic", 
    197    "pygments.literal.string.interpol": "bold #bb6688", 
    198    "pygments.literal.string.escape": "bold #bb6622", 
    199    "pygments.literal.string.regex": "#bb6688", 
    200    "pygments.literal.string.symbol": "#19177c", 
    201    "pygments.literal.string.other": "#008000", 
    202    "pygments.literal.number": "#666666", 
    203    "pygments.generic.heading": "bold #000080", 
    204    "pygments.generic.subheading": "bold #800080", 
    205    "pygments.generic.deleted": "#a00000", 
    206    "pygments.generic.inserted": "#00a000", 
    207    "pygments.generic.error": "#ff0000", 
    208    "pygments.generic.emph": "italic", 
    209    "pygments.generic.strong": "bold", 
    210    "pygments.generic.prompt": "bold #000080", 
    211    "pygments.generic.output": "#888", 
    212    "pygments.generic.traceback": "#04d", 
    213    "pygments.error": "border:#ff0000", 
    214} 
    215 
    216 
    217@memoized() 
    218def default_ui_style() -> BaseStyle: 
    219    """ 
    220    Create a default `Style` object. 
    221    """ 
    222    return merge_styles( 
    223        [ 
    224            Style(PROMPT_TOOLKIT_STYLE), 
    225            Style(COLORS_STYLE), 
    226            Style(WIDGETS_STYLE), 
    227        ] 
    228    ) 
    229 
    230 
    231@memoized() 
    232def default_pygments_style() -> Style: 
    233    """ 
    234    Create a `Style` object that contains the default Pygments style. 
    235    """ 
    236    return Style.from_dict(PYGMENTS_DEFAULT_STYLE)