/* interprets a 'set attribute' (SGR) CSI escape sequence */
static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount) {
int i;
if (pcount == 0) {
/* special case: reset attributes */
rt->curattr = 0x70;
return;
}
for (i = 0; i < pcount; i++) {
// From http://vt100.net/docs/vt510-rm/SGR table 5-16
// 0 All attributes off
// 1 Bold
// 4 Underline
// 5 Blinking
// 7 Negative image
// 8 Invisible image
// 10 The ASCII character set is the current 7-bit
// display character set (default) - SCO Console only.
// 11 Map Hex 00-7F of the PC character set codes
// to the current 7-bit display character set
// - SCO Console only.
// 12 Map Hex 80-FF of the current character set to
// the current 7-bit display character set - SCO
// Console only.
// 22 Bold off
// 24 Underline off
// 25 Blinking off
// 27 Negative image off
// 28 Invisible image off
if (param[i] == 0) rt->curattr = 0x70;
else if (param[i] == 1 || param[i] == 2 || param[i] == 4) /* set bold */
ROTE_ATTR_MOD_BOLD(rt->curattr,1);
else if (param[i] == 5) /* set blink */
ROTE_ATTR_MOD_BLINK(rt->curattr,1);
else if (param[i] == 7 || param[i] == 27) { /* reverse video */
int fg = ROTE_ATTR_FG(rt->curattr);
int bg = ROTE_ATTR_BG(rt->curattr);
ROTE_ATTR_MOD_FG(rt->curattr, bg);
ROTE_ATTR_MOD_BG(rt->curattr, fg);
}
else if (param[i] == 8) rt->curattr = 0x0; /* invisible */
else if (param[i] == 22 || param[i] == 24) /* bold off */
ROTE_ATTR_MOD_BOLD(rt->curattr,0);
else if (param[i] == 25) /* blink off */
ROTE_ATTR_MOD_BLINK(rt->curattr,0);
else if (param[i] == 28) /* invisible off */
rt->curattr = 0x70;
else if (param[i] >= 30 && param[i] <= 37) /* set fg */
ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
else if (param[i] >= 40 && param[i] <= 47) /* set bg */
ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
else if (param[i] == 39) /* reset foreground to default */
ROTE_ATTR_MOD_FG(rt->curattr, 7);
else if (param[i] == 49) /* reset background to default */
ROTE_ATTR_MOD_BG(rt->curattr, 0);
}
}
static void default_cur_set_attr(WINDOW *win, unsigned char attr) {
int cp = ROTE_ATTR_BG(attr) * 8 + 7 - ROTE_ATTR_FG(attr);
if (!cp) wattrset(win, A_NORMAL);
else wattrset(win, COLOR_PAIR(cp));
if (ROTE_ATTR_BOLD(attr)) wattron(win, A_BOLD);
if (ROTE_ATTR_BLINK(attr)) wattron(win, A_BLINK);
}
