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Support monochromatic terminals 

Oops, division by zero!
master
C. McEnroe 2020-02-11 23:01:38 -05:00
parent fea344b7df
commit 8d873c71ed
1 changed files with 3 additions and 0 deletions
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3
ui.c
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@ -136,6 +136,7 @@ static short colorPairs;
static void colorInit(void) { static void colorInit(void) {
start_color(); start_color();
use_default_colors(); use_default_colors();
if (!COLORS) return;
for (short pair = 0; pair < 16; ++pair) { for (short pair = 0; pair < 16; ++pair) {
init_pair(1 + pair, pair % COLORS, -1); init_pair(1 + pair, pair % COLORS, -1);
} }
@ -143,12 +144,14 @@ static void colorInit(void) {
} }
static attr_t colorAttr(short fg) { static attr_t colorAttr(short fg) {
if (!COLORS) return (fg > 0 ? A_BOLD : A_NORMAL);
if (fg != COLOR_BLACK && fg % COLORS == COLOR_BLACK) return A_BOLD; if (fg != COLOR_BLACK && fg % COLORS == COLOR_BLACK) return A_BOLD;
if (COLORS > 8) return A_NORMAL; if (COLORS > 8) return A_NORMAL;
return (fg / COLORS & 1 ? A_BOLD : A_NORMAL); return (fg / COLORS & 1 ? A_BOLD : A_NORMAL);
} }
static short colorPair(short fg, short bg) { static short colorPair(short fg, short bg) {
if (!COLORS) return 0;
fg %= COLORS; fg %= COLORS;
bg %= COLORS; bg %= COLORS;
if (bg == -1 && fg < 16) return 1 + fg; if (bg == -1 && fg < 16) return 1 + fg;