src/colors.c

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2002-2024 Ben Kibbey <bjk@luxsci.net>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #include <stdio.h>
  24
  25 #include "common.h"
  26 #include "conf.h"
  27 #include "colors.h"
  28
  29 static int next_cp;
  30
  31 /*
  32  * Looks for a matching color pair or creates a new color pair if not found.
  33  */
  34 static chtype
  35 find_cp (short fg, short bg, attr_t attrs)
  36 {
  37   short i;
  38   short xfg, xbg;
  39
  40   for (i = 1; i < next_cp; i++)
  41     {
  42       pair_content (i, &xfg, &xbg);
  43
  44       if (xfg == fg && xbg == bg)
  45         return COLOR_PAIR (i) | attrs;
  46     }
  47
  48   init_pair (next_cp, fg, bg);
  49   return COLOR_PAIR (next_cp++) | attrs;
  50 }
  51
  52 /*
  53  * Mixes two color pairs' fg and bg colors determined by 'which'.
  54  */
  55 chtype
  56 mix_cp (chtype a, chtype b, attr_t attrs, int which)
  57 {
  58   short afg, abg;
  59   short bfg, bbg;
  60
  61   pair_content (PAIR_NUMBER (a), &afg, &abg);
  62   pair_content (PAIR_NUMBER (b), &bfg, &bbg);
  63
  64   switch (which)
  65     {
  66     case A_FG_B_BG:
  67       return find_cp (afg, bbg, attrs);
  68     case A_FG_B_FG:
  69       return find_cp (afg, bfg, attrs);
  70     case A_BG_B_BG:
  71       return find_cp (abg, bbg, attrs);
  72     case B_FG_A_BG:
  73       return find_cp (bfg, abg, attrs);
  74     case B_BG_B_FG:
  75       return find_cp (bbg, bfg, attrs);
  76     case A_BG_A_FG:
  77       return find_cp (abg, afg, attrs);
  78     case B_BG_A_FG:
  79       return find_cp (bbg, afg, attrs);
  80     }
  81
  82   return 0;
  83 }
  84
  85 void
  86 init_color_pairs ()
  87 {
  88   next_cp = 1;
  89
  90   init_pair (next_cp++, config.color[CONF_BCOORDS].fg,
  91              config.color[CONF_BCOORDS].bg);
  92   init_pair (next_cp++, config.color[CONF_BGRAPHICS].fg,
  93              config.color[CONF_BGRAPHICS].bg);
  94   init_pair (next_cp++, config.color[CONF_BWHITE].fg,
  95              config.color[CONF_BWHITE].bg);
  96   init_pair (next_cp++, config.color[CONF_BBLACK].fg,
  97              config.color[CONF_BBLACK].bg);
  98   init_pair (next_cp++, config.color[CONF_BSELECTED].fg,
  99              config.color[CONF_BSELECTED].bg);
 100   init_pair (next_cp++, config.color[CONF_BCURSOR].fg,
 101              config.color[CONF_BCURSOR].bg);
 102   init_pair (next_cp++, config.color[CONF_SWINDOW].fg,
 103              config.color[CONF_SWINDOW].bg);
 104   init_pair (next_cp++, config.color[CONF_SBORDER].fg,
 105              config.color[CONF_SBORDER].bg);
 106   init_pair (next_cp++, config.color[CONF_STITLE].fg,
 107              config.color[CONF_STITLE].bg);
 108   init_pair (next_cp++, config.color[CONF_SENGINE].fg,
 109              config.color[CONF_SENGINE].bg);
 110   init_pair (next_cp++, config.color[CONF_SNOTIFY].fg,
 111              config.color[CONF_SNOTIFY].bg);
 112   init_pair (next_cp++, config.color[CONF_TWINDOW].fg,
 113              config.color[CONF_TWINDOW].bg);
 114   init_pair (next_cp++, config.color[CONF_TBORDER].fg,
 115              config.color[CONF_TBORDER].bg);
 116   init_pair (next_cp++, config.color[CONF_TTITLE].fg,
 117              config.color[CONF_TTITLE].bg);
 118   init_pair (next_cp++, config.color[CONF_HWINDOW].fg,
 119              config.color[CONF_HWINDOW].bg);
 120   init_pair (next_cp++, config.color[CONF_HBORDER].fg,
 121              config.color[CONF_HBORDER].bg);
 122   init_pair (next_cp++, config.color[CONF_HTITLE].fg,
 123              config.color[CONF_HTITLE].bg);
 124   init_pair (next_cp++, config.color[CONF_MWINDOW].fg,
 125              config.color[CONF_MWINDOW].bg);
 126   init_pair (next_cp++, config.color[CONF_MBORDER].fg,
 127              config.color[CONF_MBORDER].bg);
 128   init_pair (next_cp++, config.color[CONF_MTITLE].fg,
 129              config.color[CONF_MTITLE].bg);
 130   init_pair (next_cp++, config.color[CONF_MPROMPT].fg,
 131              config.color[CONF_MPROMPT].bg);
 132   init_pair (next_cp++, config.color[CONF_IWINDOW].fg,
 133              config.color[CONF_IWINDOW].bg);
 134   init_pair (next_cp++, config.color[CONF_IBORDER].fg,
 135              config.color[CONF_IBORDER].bg);
 136   init_pair (next_cp++, config.color[CONF_ITITLE].fg,
 137              config.color[CONF_ITITLE].bg);
 138   init_pair (next_cp++, config.color[CONF_IPROMPT].fg,
 139              config.color[CONF_IPROMPT].bg);
 140   init_pair (next_cp++, config.color[CONF_BMOVESW].fg,
 141              config.color[CONF_BMOVESW].bg);
 142   init_pair (next_cp++, config.color[CONF_BMOVESB].fg,
 143              config.color[CONF_BMOVESB].bg);
 144   init_pair (next_cp++, config.color[CONF_BCOUNT].fg,
 145              config.color[CONF_BCOUNT].bg);
 146   init_pair (next_cp++, config.color[CONF_BDWINDOW].fg,
 147              config.color[CONF_BDWINDOW].bg);
 148   init_pair (next_cp++, config.color[CONF_MENU].fg,
 149              config.color[CONF_MENU].bg);
 150   init_pair (next_cp++, config.color[CONF_MENUS].fg,
 151              config.color[CONF_MENUS].bg);
 152   init_pair (next_cp++, config.color[CONF_MENUH].fg,
 153              config.color[CONF_MENUH].bg);
 154   init_pair (next_cp++, config.color[CONF_HISTORY_MENU_LG].fg,
 155              config.color[CONF_HISTORY_MENU_LG].bg);
 156
 157   /*
 158    * These are not configurable. They are the color pairs that are mixed
 159    * with the background of the current square and foreground of the current
 160    * piece. See draw_board() for details.
 161    */
 162   init_pair (next_cp++, config.color[CONF_BWHITE].fg,
 163              config.color[CONF_BWHITE].bg);
 164   init_pair (next_cp++, config.color[CONF_BBLACK].fg,
 165              config.color[CONF_BWHITE].bg);
 166   init_pair (next_cp++, config.color[CONF_BBLACK].fg,
 167              config.color[CONF_BBLACK].bg);
 168   init_pair (next_cp++, config.color[CONF_BWHITE].fg,
 169              config.color[CONF_BBLACK].bg);
 170
 171   init_pair (next_cp++, config.color[CONF_BCASTLING].fg,
 172              config.color[CONF_BCASTLING].bg);
 173   init_pair (next_cp++, config.color[CONF_BENPASSANT].fg,
 174              config.color[CONF_BENPASSANT].bg);
 175   init_pair (next_cp++, config.color[CONF_BATTACK].fg,
 176              config.color[CONF_BATTACK].bg);
 177   init_pair (next_cp++, config.color[CONF_BPREVMOVE].fg,
 178              config.color[CONF_BPREVMOVE].bg);
 179 }
 180
 181 void
 182 set_default_colors ()
 183 {
 184   config.color[CONF_BDWINDOW].fg = COLOR_WHITE;
 185   config.color[CONF_BDWINDOW].bg = COLOR_BLACK;
 186   config.color[CONF_BCOORDS].fg = COLOR_YELLOW;
 187   config.color[CONF_BCOORDS].bg = COLOR_BLACK;
 188   config.color[CONF_BMOVESW].fg = COLOR_WHITE;
 189   config.color[CONF_BMOVESW].bg = COLOR_WHITE;
 190   config.color[CONF_BMOVESW].nattrs = A_REVERSE;
 191   config.color[CONF_BMOVESB].fg = COLOR_WHITE;
 192   config.color[CONF_BMOVESB].bg = COLOR_BLUE;
 193   config.color[CONF_BMOVESB].nattrs = A_REVERSE;
 194   config.color[CONF_BCOUNT].fg = COLOR_MAGENTA;
 195   config.color[CONF_BCOUNT].bg = COLOR_CYAN;
 196   config.color[CONF_BCOUNT].attrs = A_BOLD;
 197   config.color[CONF_BCOUNT].nattrs = A_REVERSE;
 198   config.color[CONF_BGRAPHICS].fg = COLOR_WHITE;
 199   config.color[CONF_BGRAPHICS].bg = COLOR_BLACK;
 200   config.color[CONF_BWHITE].fg = COLOR_WHITE;
 201   config.color[CONF_BWHITE].bg = COLOR_RED;
 202   config.color[CONF_BWHITE].nattrs = A_REVERSE;
 203   config.color[CONF_BBLACK].fg = COLOR_CYAN;
 204   config.color[CONF_BBLACK].bg = COLOR_BLACK;
 205   config.color[CONF_BSELECTED].fg = COLOR_WHITE;
 206   config.color[CONF_BSELECTED].bg = COLOR_YELLOW;
 207   config.color[CONF_BSELECTED].nattrs = A_BOLD | A_REVERSE;
 208   config.color[CONF_BCURSOR].fg = COLOR_WHITE;
 209   config.color[CONF_BCURSOR].bg = COLOR_GREEN;
 210   config.color[CONF_BCURSOR].nattrs = A_BOLD | A_REVERSE;
 211   config.color[CONF_SWINDOW].fg = COLOR_WHITE;
 212   config.color[CONF_SWINDOW].bg = COLOR_BLACK;
 213   config.color[CONF_SBORDER].fg = COLOR_CYAN;
 214   config.color[CONF_SBORDER].bg = COLOR_BLACK;
 215   config.color[CONF_STITLE].fg = COLOR_WHITE;
 216   config.color[CONF_STITLE].bg = COLOR_BLUE;
 217   config.color[CONF_STITLE].nattrs = A_REVERSE;
 218   config.color[CONF_SENGINE].fg = COLOR_YELLOW;
 219   config.color[CONF_SENGINE].bg = COLOR_BLACK;
 220   config.color[CONF_SENGINE].nattrs = A_BOLD;
 221   config.color[CONF_SNOTIFY].fg = COLOR_GREEN;
 222   config.color[CONF_SNOTIFY].bg = COLOR_BLACK;
 223   config.color[CONF_SNOTIFY].nattrs = A_BOLD;
 224   config.color[CONF_TWINDOW].fg = COLOR_WHITE;
 225   config.color[CONF_TWINDOW].bg = COLOR_BLACK;
 226   config.color[CONF_TBORDER].fg = COLOR_CYAN;
 227   config.color[CONF_TBORDER].bg = COLOR_BLACK;
 228   config.color[CONF_TTITLE].fg = COLOR_WHITE;
 229   config.color[CONF_TTITLE].bg = COLOR_BLUE;
 230   config.color[CONF_TTITLE].nattrs = A_REVERSE;
 231   config.color[CONF_HWINDOW].fg = COLOR_WHITE;
 232   config.color[CONF_HWINDOW].bg = COLOR_BLACK;
 233   config.color[CONF_HBORDER].fg = COLOR_CYAN;
 234   config.color[CONF_HBORDER].bg = COLOR_BLACK;
 235   config.color[CONF_HTITLE].fg = COLOR_WHITE;
 236   config.color[CONF_HTITLE].bg = COLOR_BLUE;
 237   config.color[CONF_HTITLE].nattrs = A_REVERSE;
 238   config.color[CONF_MWINDOW].fg = COLOR_WHITE;
 239   config.color[CONF_MWINDOW].bg = COLOR_BLACK;
 240   config.color[CONF_MBORDER].fg = COLOR_CYAN;
 241   config.color[CONF_MBORDER].bg = COLOR_BLACK;
 242   config.color[CONF_MTITLE].fg = COLOR_WHITE;
 243   config.color[CONF_MTITLE].bg = COLOR_MAGENTA;
 244   config.color[CONF_MTITLE].nattrs = A_REVERSE;
 245   config.color[CONF_MPROMPT].fg = COLOR_WHITE;
 246   config.color[CONF_MPROMPT].bg = COLOR_MAGENTA;
 247   config.color[CONF_MPROMPT].nattrs = A_BOLD;
 248   config.color[CONF_IWINDOW].fg = COLOR_WHITE;
 249   config.color[CONF_IWINDOW].bg = COLOR_BLACK;
 250   config.color[CONF_IBORDER].fg = COLOR_CYAN;
 251   config.color[CONF_IBORDER].bg = COLOR_BLACK;
 252   config.color[CONF_ITITLE].fg = COLOR_WHITE;
 253   config.color[CONF_ITITLE].bg = COLOR_MAGENTA;
 254   config.color[CONF_ITITLE].nattrs = A_REVERSE;
 255   config.color[CONF_IPROMPT].fg = COLOR_WHITE;
 256   config.color[CONF_IPROMPT].bg = COLOR_MAGENTA;
 257   config.color[CONF_IPROMPT].nattrs = A_BOLD;
 258   config.color[CONF_MENU].fg = COLOR_WHITE;
 259   config.color[CONF_MENU].bg = COLOR_BLACK;
 260   config.color[CONF_MENUS].fg = COLOR_WHITE;
 261   config.color[CONF_MENUS].bg = COLOR_RED;
 262   config.color[CONF_MENUS].nattrs = A_BOLD;
 263   config.color[CONF_MENUH].fg = COLOR_BLUE;
 264   config.color[CONF_MENUH].bg = COLOR_YELLOW;
 265   config.color[CONF_MENUH].nattrs = A_BOLD;
 266   config.color[CONF_HISTORY_MENU_LG].fg = COLOR_GREEN;
 267   config.color[CONF_HISTORY_MENU_LG].bg = COLOR_BLACK;
 268   config.color[CONF_BCASTLING].fg = COLOR_YELLOW;
 269   config.color[CONF_BCASTLING].bg = COLOR_BLACK;
 270   config.color[CONF_BCASTLING].attrs = A_BOLD;
 271   config.color[CONF_BCASTLING].nattrs = A_BOLD;
 272   config.color[CONF_BENPASSANT].fg = COLOR_MAGENTA;
 273   config.color[CONF_BENPASSANT].bg = COLOR_BLACK;
 274   config.color[CONF_BENPASSANT].attrs = A_BOLD;
 275   config.color[CONF_BENPASSANT].nattrs = A_BOLD;
 276   config.color[CONF_BATTACK].fg = COLOR_BLUE;
 277   config.color[CONF_BATTACK].bg = COLOR_BLACK;
 278   config.color[CONF_BATTACK].attrs = A_BOLD | A_BLINK;
 279   config.color[CONF_BATTACK].nattrs = A_REVERSE;
 280   config.color[CONF_BPREVMOVE].fg = COLOR_WHITE;
 281   config.color[CONF_BPREVMOVE].bg = COLOR_MAGENTA;
 282   config.color[CONF_BPREVMOVE].nattrs = A_BOLD | A_REVERSE;
 283 }