src/colors.c

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2002-2015 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 find_cp(short fg, short bg, attr_t attrs)
  35 {
  36     int i;
  37     short xfg, xbg;
  38
  39     for (i = 1; i < COLOR_PAIRS; i++) {
  40         pair_content(i, &xfg, &xbg);
  41
  42         if (xfg == fg && xbg == bg)
  43             return COLOR_PAIR(i) | attrs;
  44     }
  45
  46     init_pair(next_cp, fg, bg);
  47     return COLOR_PAIR(next_cp++) | attrs;
  48 }
  49
  50 /*
  51  * Mixes two color pairs' fg and bg colors determined by 'which'.
  52  */
  53 chtype mix_cp(chtype a, chtype b, attr_t attrs, int which)
  54 {
  55     short afg, abg;
  56     short bfg, bbg;
  57
  58     pair_content(PAIR_NUMBER(a), &afg, &abg);
  59     pair_content(PAIR_NUMBER(b), &bfg, &bbg);
  60
  61     switch (which) {
  62         case A_FG_B_BG:
  63             return find_cp(afg, bbg, attrs);
  64         case A_FG_B_FG:
  65             return find_cp(afg, bfg, attrs);
  66         case A_BG_B_BG:
  67             return find_cp(abg, bbg, attrs);
  68         case B_FG_A_BG:
  69             return find_cp(bfg, abg, attrs);
  70         case B_BG_B_FG:
  71             return find_cp(bbg, bfg, attrs);
  72         case A_BG_A_FG:
  73             return find_cp(abg, afg, attrs);
  74         case B_BG_A_FG:
  75             return find_cp(bbg, afg, attrs);
  76     }
  77
  78     return 0;
  79 }
  80
  81 void init_color_pairs()
  82 {
  83     next_cp = 1;
  84
  85     init_pair(next_cp++, config.color[CONF_BCOORDS].fg,
  86             config.color[CONF_BCOORDS].bg);
  87     init_pair(next_cp++, config.color[CONF_BGRAPHICS].fg,
  88             config.color[CONF_BGRAPHICS].bg);
  89     init_pair(next_cp++, config.color[CONF_BWHITE].fg,
  90             config.color[CONF_BWHITE].bg);
  91     init_pair(next_cp++, config.color[CONF_BBLACK].fg,
  92             config.color[CONF_BBLACK].bg);
  93     init_pair(next_cp++, config.color[CONF_BSELECTED].fg,
  94             config.color[CONF_BSELECTED].bg);
  95     init_pair(next_cp++, config.color[CONF_BCURSOR].fg,
  96             config.color[CONF_BCURSOR].bg);
  97     init_pair(next_cp++, config.color[CONF_SWINDOW].fg,
  98             config.color[CONF_SWINDOW].bg);
  99     init_pair(next_cp++, config.color[CONF_SBORDER].fg,
 100             config.color[CONF_SBORDER].bg);
 101     init_pair(next_cp++, config.color[CONF_STITLE].fg,
 102             config.color[CONF_STITLE].bg);
 103     init_pair(next_cp++, config.color[CONF_SENGINE].fg,
 104             config.color[CONF_SENGINE].bg);
 105     init_pair(next_cp++, config.color[CONF_SNOTIFY].fg,
 106             config.color[CONF_SNOTIFY].bg);
 107     init_pair(next_cp++, config.color[CONF_TWINDOW].fg,
 108             config.color[CONF_TWINDOW].bg);
 109     init_pair(next_cp++, config.color[CONF_TBORDER].fg,
 110             config.color[CONF_TBORDER].bg);
 111     init_pair(next_cp++, config.color[CONF_TTITLE].fg,
 112             config.color[CONF_TTITLE].bg);
 113     init_pair(next_cp++, config.color[CONF_HWINDOW].fg,
 114             config.color[CONF_HWINDOW].bg);
 115     init_pair(next_cp++, config.color[CONF_HBORDER].fg,
 116             config.color[CONF_HBORDER].bg);
 117     init_pair(next_cp++, config.color[CONF_HTITLE].fg,
 118             config.color[CONF_HTITLE].bg);
 119     init_pair(next_cp++, config.color[CONF_MWINDOW].fg,
 120             config.color[CONF_MWINDOW].bg);
 121     init_pair(next_cp++, config.color[CONF_MBORDER].fg,
 122             config.color[CONF_MBORDER].bg);
 123     init_pair(next_cp++, config.color[CONF_MTITLE].fg,
 124             config.color[CONF_MTITLE].bg);
 125     init_pair(next_cp++, config.color[CONF_MPROMPT].fg,
 126             config.color[CONF_MPROMPT].bg);
 127     init_pair(next_cp++, config.color[CONF_IWINDOW].fg,
 128             config.color[CONF_IWINDOW].bg);
 129     init_pair(next_cp++, config.color[CONF_IBORDER].fg,
 130             config.color[CONF_IBORDER].bg);
 131     init_pair(next_cp++, config.color[CONF_ITITLE].fg,
 132             config.color[CONF_ITITLE].bg);
 133     init_pair(next_cp++, config.color[CONF_IPROMPT].fg,
 134             config.color[CONF_IPROMPT].bg);
 135     init_pair(next_cp++, config.color[CONF_BMOVESW].fg,
 136             config.color[CONF_BMOVESW].bg);
 137     init_pair(next_cp++, config.color[CONF_BMOVESB].fg,
 138             config.color[CONF_BMOVESB].bg);
 139     init_pair(next_cp++, config.color[CONF_BCOUNT].fg,
 140             config.color[CONF_BCOUNT].bg);
 141     init_pair(next_cp++, config.color[CONF_BDWINDOW].fg,
 142             config.color[CONF_BDWINDOW].bg);
 143     init_pair(next_cp++, config.color[CONF_MENU].fg,
 144             config.color[CONF_MENU].bg);
 145     init_pair(next_cp++, config.color[CONF_MENUS].fg,
 146             config.color[CONF_MENUS].bg);
 147     init_pair(next_cp++, config.color[CONF_MENUH].fg,
 148             config.color[CONF_MENUH].bg);
 149     init_pair(next_cp++, config.color[CONF_HISTORY_MENU_LG].fg,
 150             config.color[CONF_HISTORY_MENU_LG].bg);
 151
 152     /*
 153      * These are not configurable. They are the color pairs that are mixed
 154      * with the background of the current square and foreground of the current
 155      * piece. See draw_board() for details.
 156      */
 157     init_pair(next_cp++, config.color[CONF_BWHITE].fg,
 158             config.color[CONF_BWHITE].bg);
 159     init_pair(next_cp++, config.color[CONF_BBLACK].fg,
 160             config.color[CONF_BWHITE].bg);
 161     init_pair(next_cp++, config.color[CONF_BBLACK].fg,
 162             config.color[CONF_BBLACK].bg);
 163     init_pair(next_cp++, config.color[CONF_BWHITE].fg,
 164             config.color[CONF_BBLACK].bg);
 165
 166     init_pair(next_cp++, config.color[CONF_BCASTLING].fg,
 167             config.color[CONF_BCASTLING].bg);
 168     init_pair(next_cp++, config.color[CONF_BENPASSANT].fg,
 169             config.color[CONF_BENPASSANT].bg);
 170     init_pair(next_cp++, config.color[CONF_BATTACK].fg,
 171               config.color[CONF_BATTACK].bg);
 172     init_pair(next_cp++, config.color[CONF_BPREVMOVE].fg,
 173               config.color[CONF_BPREVMOVE].bg);
 174 }
 175
 176 void set_default_colors()
 177 {
 178     config.color[CONF_BDWINDOW].fg = COLOR_WHITE;
 179     config.color[CONF_BDWINDOW].bg = COLOR_BLACK;
 180     config.color[CONF_BCOORDS].fg = COLOR_YELLOW;
 181     config.color[CONF_BCOORDS].bg = COLOR_BLACK;
 182     config.color[CONF_BMOVESW].fg = COLOR_WHITE;
 183     config.color[CONF_BMOVESW].bg = COLOR_WHITE;
 184     config.color[CONF_BMOVESW].nattrs = A_REVERSE;
 185     config.color[CONF_BMOVESB].fg = COLOR_WHITE;
 186     config.color[CONF_BMOVESB].bg = COLOR_BLUE;
 187     config.color[CONF_BMOVESB].nattrs = A_REVERSE;
 188     config.color[CONF_BCOUNT].fg = COLOR_MAGENTA;
 189     config.color[CONF_BCOUNT].bg = COLOR_CYAN;
 190     config.color[CONF_BCOUNT].attrs = A_BOLD;
 191     config.color[CONF_BCOUNT].nattrs = A_REVERSE;
 192     config.color[CONF_BGRAPHICS].fg = COLOR_WHITE;
 193     config.color[CONF_BGRAPHICS].bg = COLOR_BLACK;
 194     config.color[CONF_BWHITE].fg = COLOR_WHITE;
 195     config.color[CONF_BWHITE].bg = COLOR_RED;
 196     config.color[CONF_BWHITE].nattrs = A_REVERSE;
 197     config.color[CONF_BBLACK].fg = COLOR_CYAN;
 198     config.color[CONF_BBLACK].bg = COLOR_BLACK;
 199     config.color[CONF_BSELECTED].fg = COLOR_WHITE;
 200     config.color[CONF_BSELECTED].bg = COLOR_YELLOW;
 201     config.color[CONF_BSELECTED].nattrs = A_BOLD|A_REVERSE;
 202     config.color[CONF_BCURSOR].fg = COLOR_WHITE;
 203     config.color[CONF_BCURSOR].bg = COLOR_GREEN;
 204     config.color[CONF_BCURSOR].nattrs = A_BOLD|A_REVERSE;
 205     config.color[CONF_SWINDOW].fg = COLOR_WHITE;
 206     config.color[CONF_SWINDOW].bg = COLOR_BLACK;
 207     config.color[CONF_SBORDER].fg = COLOR_CYAN;
 208     config.color[CONF_SBORDER].bg = COLOR_BLACK;
 209     config.color[CONF_STITLE].fg = COLOR_WHITE;
 210     config.color[CONF_STITLE].bg = COLOR_BLUE;
 211     config.color[CONF_STITLE].nattrs = A_REVERSE;
 212     config.color[CONF_SENGINE].fg = COLOR_YELLOW;
 213     config.color[CONF_SENGINE].bg = COLOR_BLACK;
 214     config.color[CONF_SENGINE].nattrs = A_BOLD;
 215     config.color[CONF_SNOTIFY].fg = COLOR_GREEN;
 216     config.color[CONF_SNOTIFY].bg = COLOR_BLACK;
 217     config.color[CONF_SNOTIFY].nattrs = A_BOLD;
 218     config.color[CONF_TWINDOW].fg = COLOR_WHITE;
 219     config.color[CONF_TWINDOW].bg = COLOR_BLACK;
 220     config.color[CONF_TBORDER].fg = COLOR_CYAN;
 221     config.color[CONF_TBORDER].bg = COLOR_BLACK;
 222     config.color[CONF_TTITLE].fg = COLOR_WHITE;
 223     config.color[CONF_TTITLE].bg = COLOR_BLUE;
 224     config.color[CONF_TTITLE].nattrs = A_REVERSE;
 225     config.color[CONF_HWINDOW].fg = COLOR_WHITE;
 226     config.color[CONF_HWINDOW].bg = COLOR_BLACK;
 227     config.color[CONF_HBORDER].fg = COLOR_CYAN;
 228     config.color[CONF_HBORDER].bg = COLOR_BLACK;
 229     config.color[CONF_HTITLE].fg = COLOR_WHITE;
 230     config.color[CONF_HTITLE].bg = COLOR_BLUE;
 231     config.color[CONF_HTITLE].nattrs = A_REVERSE;
 232     config.color[CONF_MWINDOW].fg = COLOR_WHITE;
 233     config.color[CONF_MWINDOW].bg = COLOR_BLACK;
 234     config.color[CONF_MBORDER].fg = COLOR_CYAN;
 235     config.color[CONF_MBORDER].bg = COLOR_BLACK;
 236     config.color[CONF_MTITLE].fg = COLOR_WHITE;
 237     config.color[CONF_MTITLE].bg = COLOR_MAGENTA;
 238     config.color[CONF_MTITLE].nattrs = A_REVERSE;
 239     config.color[CONF_MPROMPT].fg = COLOR_WHITE;
 240     config.color[CONF_MPROMPT].bg = COLOR_MAGENTA;
 241     config.color[CONF_MPROMPT].nattrs = A_BOLD;
 242     config.color[CONF_IWINDOW].fg = COLOR_WHITE;
 243     config.color[CONF_IWINDOW].bg = COLOR_BLACK;
 244     config.color[CONF_IBORDER].fg = COLOR_CYAN;
 245     config.color[CONF_IBORDER].bg = COLOR_BLACK;
 246     config.color[CONF_ITITLE].fg = COLOR_WHITE;
 247     config.color[CONF_ITITLE].bg = COLOR_MAGENTA;
 248     config.color[CONF_ITITLE].nattrs = A_REVERSE;
 249     config.color[CONF_IPROMPT].fg = COLOR_WHITE;
 250     config.color[CONF_IPROMPT].bg = COLOR_MAGENTA;
 251     config.color[CONF_IPROMPT].nattrs = A_BOLD;
 252     config.color[CONF_MENU].fg = COLOR_WHITE;
 253     config.color[CONF_MENU].bg = COLOR_BLACK;
 254     config.color[CONF_MENUS].fg = COLOR_WHITE;
 255     config.color[CONF_MENUS].bg = COLOR_RED;
 256     config.color[CONF_MENUS].nattrs = A_BOLD;
 257     config.color[CONF_MENUH].fg = COLOR_BLUE;
 258     config.color[CONF_MENUH].bg = COLOR_YELLOW;
 259     config.color[CONF_MENUH].nattrs = A_BOLD;
 260     config.color[CONF_HISTORY_MENU_LG].fg = COLOR_GREEN;
 261     config.color[CONF_HISTORY_MENU_LG].bg = COLOR_BLACK;
 262     config.color[CONF_BCASTLING].fg = COLOR_YELLOW;
 263     config.color[CONF_BCASTLING].bg = COLOR_BLACK;
 264     config.color[CONF_BCASTLING].attrs = A_BOLD;
 265     config.color[CONF_BCASTLING].nattrs = A_BOLD;
 266     config.color[CONF_BENPASSANT].fg = COLOR_MAGENTA;
 267     config.color[CONF_BENPASSANT].bg = COLOR_BLACK;
 268     config.color[CONF_BENPASSANT].attrs = A_BOLD;
 269     config.color[CONF_BENPASSANT].nattrs = A_BOLD;
 270     config.color[CONF_BATTACK].fg = COLOR_BLUE;
 271     config.color[CONF_BATTACK].bg = COLOR_BLACK;
 272     config.color[CONF_BATTACK].attrs = A_BOLD|A_BLINK;
 273     config.color[CONF_BATTACK].nattrs = A_REVERSE;
 274     config.color[CONF_BPREVMOVE].fg = COLOR_WHITE;
 275     config.color[CONF_BPREVMOVE].bg = COLOR_MAGENTA;
 276     config.color[CONF_BPREVMOVE].nattrs = A_BOLD|A_REVERSE;
 277 }