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Use 16 colors if available 

Fall back to using bold if there are only 8 colors. This also allowed
bright background colors in 16-color terminals.

I must port this system to torus. I'll be able to remove the awful
termcap patch hack.
master
Curtis McEnroe 2018-08-05 13:28:49 -04:00
parent 7e02eddcf4
commit 7beb4c9912
No known key found for this signature in database
GPG Key ID: CEA2F97ADCFCD77C
1 changed files with 53 additions and 51 deletions
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94
ui.c
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@ -68,6 +68,16 @@ void uiInit(void) {
start_color();
use_default_colors();
if (COLORS >= 16) {
for (short pair = 0; pair < 0xFF; ++pair) {
if (pair < 0x10) {
init_pair(1 + pair, pair, -1);
} else {
init_pair(1 + pair, pair & 0x0F, (pair & 0xF0) >> 4);
}
}
} else {
for (short pair = 0; pair < 077; ++pair) {
if (pair < 010) {
init_pair(1 + pair, pair, -1);
@ -75,6 +85,7 @@ void uiInit(void) {
init_pair(1 + pair, pair & 007, (pair & 070) >> 3);
}
}
}
ui.topic = newpad(2, TOPIC_COLS);
mvwhline(ui.topic, 1, 0, ACS_HLINE, TOPIC_COLS);
@ -128,79 +139,70 @@ void uiDraw(void) {
doupdate();
}
static const struct AttrColor {
attr_t attr;
short pair;
} MIRC_COLORS[16] = {
{ A_BOLD, COLOR_WHITE }, // white
{ A_NORMAL, COLOR_BLACK }, // black
{ A_NORMAL, COLOR_BLUE }, // blue
{ A_NORMAL, COLOR_GREEN }, // green
{ A_BOLD, COLOR_RED }, // red
{ A_NORMAL, COLOR_RED }, // "brown"
{ A_NORMAL, COLOR_MAGENTA }, // magenta
{ A_NORMAL, COLOR_YELLOW }, // "orange"
{ A_BOLD, COLOR_YELLOW }, // yellow
{ A_BOLD, COLOR_GREEN }, // light green
{ A_NORMAL, COLOR_CYAN }, // cyan
{ A_BOLD, COLOR_CYAN }, // light cyan
{ A_BOLD, COLOR_BLUE }, // light blue
{ A_BOLD, COLOR_MAGENTA }, // "pink"
{ A_BOLD, COLOR_BLACK }, // grey
{ A_NORMAL, COLOR_WHITE }, // light grey
static const short MIRC_COLORS[16] = {
8 + COLOR_WHITE, // white
0 + COLOR_BLACK, // black
0 + COLOR_BLUE, // blue
0 + COLOR_GREEN, // green
8 + COLOR_RED, // red
0 + COLOR_RED, // brown
0 + COLOR_MAGENTA, // magenta
0 + COLOR_YELLOW, // orange
8 + COLOR_YELLOW, // yellow
8 + COLOR_GREEN, // light green
0 + COLOR_CYAN, // cyan
8 + COLOR_CYAN, // light cyan
8 + COLOR_BLUE, // light blue
8 + COLOR_MAGENTA, // pink
8 + COLOR_BLACK, // gray
0 + COLOR_WHITE, // light gray
};
static const char *parseColor(struct AttrColor *color, const char *str) {
static const char *parseColor(short *pair, const char *str) {
short fg = 0;
size_t fgLen = MIN(strspn(str, "0123456789"), 2);
if (!fgLen) {
color->attr = A_NORMAL;
color->pair = -1;
return str;
}
if (!fgLen) { *pair = -1; return str; }
for (size_t i = 0; i < fgLen; ++i) {
fg *= 10;
fg += str[i] - '0';
fg = fg * 10 + (str[i] - '0');
}
str = &str[fgLen];
short bg = 0;
size_t bgLen = 0;
if (str[0] == ',') {
bgLen = MIN(strspn(&str[1], "0123456789"), 2);
}
size_t bgLen = (str[0] == ',') ? MIN(strspn(&str[1], "0123456789"), 2) : 0;
for (size_t i = 0; i < bgLen; ++i) {
bg *= 10;
bg += str[1 + i] - '0';
bg = bg * 10 + (str[1 + i] - '0');
}
if (bgLen) str = &str[1 + bgLen];
fg &= 15;
bg &= 15;
if (color->pair == -1) color->pair = 0;
color->attr = MIRC_COLORS[fg].attr;
color->pair = (color->pair & 070) | MIRC_COLORS[fg].pair;
if (bgLen) {
color->pair = (color->pair & 007) | (MIRC_COLORS[bg].pair << 3);
}
if (*pair == -1) *pair = 0;
*pair = (*pair & 0xF0) | MIRC_COLORS[fg & 0x0F];
if (bgLen) *pair = (*pair & 0x0F) | (MIRC_COLORS[bg & 0x0F] << 4);
return str;
}
static attr_t attr8(short pair) {
if (COLORS >= 16 || pair < 0) return A_NORMAL;
return (pair & 0x08) ? A_BOLD : A_NORMAL;
}
static short pair8(short pair) {
if (COLORS >= 16 || pair < 0) return pair;
return (pair & 0x70) >> 1 | (pair & 0x07);
}
static void uiAdd(WINDOW *win, const char *str) {
attr_t attr = A_NORMAL;
struct AttrColor color = { A_NORMAL, -1 };
short pair = -1;
for (;;) {
size_t cc = strcspn(str, "\2\3\35\37");
wattr_set(win, attr | color.attr, 1 + color.pair, NULL);
wattr_set(win, attr | attr8(pair), 1 + pair8(pair), NULL);
waddnstr(win, str, cc);
if (!str[cc]) break;
str = &str[cc];
switch (*str++) {
break; case '\2': attr ^= A_BOLD;
break; case '\3': str = parseColor(&color, str);
break; case '\3': str = parseColor(&pair, str);
break; case '\35': attr ^= A_ITALIC;
break; case '\37': attr ^= A_UNDERLINE;
}