2 Internal stuff of color setup
4 Copyright (C) 1994-2016
5 Free Software Foundation, Inc.
8 Andrew Borodin <aborodin@vmail.ru>, 2009
9 Slava Zanko <slavazanko@gmail.com>, 2009, 2013
10 Egmont Koblinger <egmont@gmail.com>, 2010
12 This file is part of the Midnight Commander.
14 The Midnight Commander is free software: you can redistribute it
15 and/or modify it under the terms of the GNU General Public License as
16 published by the Free Software Foundation, either version 3 of the License,
17 or (at your option) any later version.
19 The Midnight Commander is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 /** \file color-internal.c
29 * \brief Source: Internal stuff of color setup
34 #include <string.h> /* strcmp */
36 #include "color.h" /* colors and attributes */
37 #include "color-internal.h"
39 /*** global variables ****************************************************************************/
41 gboolean mc_tty_color_disable
;
43 /*** file scope macro definitions ****************************************************************/
45 #define COLOR_INTENSITY 8
47 /*** file scope type declarations ****************************************************************/
49 typedef struct mc_tty_color_table_struct
53 } mc_tty_color_table_t
;
55 /*** file scope variables ************************************************************************/
57 static mc_tty_color_table_t
const color_table
[] = {
58 {"black", COLOR_BLACK
},
59 {"gray", COLOR_BLACK
+ COLOR_INTENSITY
},
61 {"brightred", COLOR_RED
+ COLOR_INTENSITY
},
62 {"green", COLOR_GREEN
},
63 {"brightgreen", COLOR_GREEN
+ COLOR_INTENSITY
},
64 {"brown", COLOR_YELLOW
},
65 {"yellow", COLOR_YELLOW
+ COLOR_INTENSITY
},
67 {"brightblue", COLOR_BLUE
+ COLOR_INTENSITY
},
68 {"magenta", COLOR_MAGENTA
},
69 {"brightmagenta", COLOR_MAGENTA
+ COLOR_INTENSITY
},
71 {"brightcyan", COLOR_CYAN
+ COLOR_INTENSITY
},
72 {"lightgray", COLOR_WHITE
},
73 {"white", COLOR_WHITE
+ COLOR_INTENSITY
},
74 {"default", -1}, /* default color of the terminal */
76 {"A_REVERSE", SPEC_A_REVERSE
},
77 {"A_BOLD", SPEC_A_BOLD
},
78 {"A_BOLD_REVERSE", SPEC_A_BOLD_REVERSE
},
79 {"A_UNDERLINE", SPEC_A_UNDERLINE
},
84 static mc_tty_color_table_t
const attributes_table
[] = {
86 #ifdef A_ITALIC /* available since ncurses-5.9-20130831 / slang-pre2.3.0-107 */
89 {"underline", A_UNDERLINE
},
90 {"reverse", A_REVERSE
},
96 /* --------------------------------------------------------------------------------------------- */
97 /*** file scope functions ************************************************************************/
98 /* --------------------------------------------------------------------------------------------- */
101 parse_hex_digit (char c
)
103 if (c
>= '0' && c
<= '9')
106 if (c
>= 'a' && c
<= 'f')
111 /* --------------------------------------------------------------------------------------------- */
114 parse_256_or_true_color_name (const char *color_name
)
119 /* cppcheck-suppress invalidscanf */
120 if (sscanf (color_name
, "color%d%c", &i
, &dummy
) == 1 && i
>= 0 && i
< 256)
124 /* cppcheck-suppress invalidscanf */
125 if (sscanf (color_name
, "gray%d%c", &i
, &dummy
) == 1 && i
>= 0 && i
< 24)
129 if (strncmp (color_name
, "rgb", 3) == 0 &&
130 color_name
[3] >= '0' && color_name
[3] < '6' &&
131 color_name
[4] >= '0' && color_name
[4] < '6' &&
132 color_name
[5] >= '0' && color_name
[5] < '6' && color_name
[6] == '\0')
134 return 16 + 36 * (color_name
[3] - '0') + 6 * (color_name
[4] - '0') + (color_name
[5] - '0');
136 if (color_name
[0] == '#')
142 len
= (int) strlen (color_name
);
143 if (len
!= 3 && len
!= 6)
146 for (i
= 0; i
< len
; i
++)
148 h
[i
] = parse_hex_digit (color_name
[i
]);
154 i
= (h
[0] << 20) | (h
[0] << 16) | (h
[1] << 12) | (h
[1] << 8) | (h
[2] << 4) | h
[2];
156 i
= (h
[0] << 20) | (h
[1] << 16) | (h
[2] << 12) | (h
[3] << 8) | (h
[4] << 4) | h
[5];
157 return (1 << 24) | i
;
163 /* --------------------------------------------------------------------------------------------- */
164 /*** public functions ****************************************************************************/
165 /* --------------------------------------------------------------------------------------------- */
168 tty_color_get_name_by_index (int idx
)
172 /* Find the real English name of the first 16 colors, */
173 /* as well as the A_* special values. */
174 for (i
= 0; color_table
[i
].name
!= NULL
; i
++)
175 if (idx
== color_table
[i
].value
)
176 return color_table
[i
].name
;
178 /* Create and return the strings in "colorNNN" or "#rrggbb" format. */
179 if ((idx
>= 16 && idx
< 256) || (idx
& (1 << 24)) != 0)
184 sprintf (name
, "color%d", idx
);
186 sprintf (name
, "#%06X", idx
& 0xFFFFFF);
187 return g_intern_string (name
);
192 /* --------------------------------------------------------------------------------------------- */
195 tty_color_get_index_by_name (const char *color_name
)
197 if (color_name
!= NULL
)
201 for (i
= 0; color_table
[i
].name
!= NULL
; i
++)
202 if (strcmp (color_name
, color_table
[i
].name
) == 0)
203 return color_table
[i
].value
;
204 return parse_256_or_true_color_name (color_name
);
209 /* --------------------------------------------------------------------------------------------- */
212 tty_attr_get_bits (const char *attrs
)
221 attr_list
= g_strsplit (attrs
, "+", -1);
223 for (i
= 0; attr_list
[i
] != NULL
; i
++)
227 for (j
= 0; attributes_table
[j
].name
!= NULL
; j
++)
229 if (strcmp (attr_list
[i
], attributes_table
[j
].name
) == 0)
231 attr_bits
|= attributes_table
[j
].value
;
236 g_strfreev (attr_list
);
241 /* --------------------------------------------------------------------------------------------- */