diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 90 |
1 files changed, 32 insertions, 58 deletions
@@ -161,6 +161,7 @@ static void csidump(void); static void csihandle(void); static void csiparse(void); static void csireset(void); +static void osc_color_response(int, int, int); static int eschandle(uchar); static void strdump(void); static void strhandle(void); @@ -1835,39 +1836,28 @@ csireset(void) } void -osc4_color_response(int num) +osc_color_response(int num, int index, int is_osc4) { int n; char buf[32]; unsigned char r, g, b; - if (xgetcolor(num, &r, &g, &b)) { - fprintf(stderr, "erresc: failed to fetch osc4 color %d\n", num); + if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) { + fprintf(stderr, "erresc: failed to fetch %s color %d\n", + is_osc4 ? "osc4" : "osc", + is_osc4 ? num : index); return; } - n = snprintf(buf, sizeof buf, "\033]4;%d;rgb:%02x%02x/%02x%02x/%02x%02x\007", - num, r, r, g, g, b, b); - - ttywrite(buf, n, 1); -} - -void -osc_color_response(int index, int num) -{ - int n; - char buf[32]; - unsigned char r, g, b; - - if (xgetcolor(index, &r, &g, &b)) { - fprintf(stderr, "erresc: failed to fetch osc color %d\n", index); - return; + n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x\007", + is_osc4 ? "4;" : "", num, r, r, g, g, b, b); + if (n < 0 || n >= sizeof(buf)) { + fprintf(stderr, "error: %s while printing %s response\n", + n < 0 ? "snprintf failed" : "truncation occurred", + is_osc4 ? "osc4" : "osc"); + } else { + ttywrite(buf, n, 1); } - - n = snprintf(buf, sizeof buf, "\033]%d;rgb:%02x%02x/%02x%02x/%02x%02x\007", - num, r, r, g, g, b, b); - - ttywrite(buf, n, 1); } void @@ -1875,6 +1865,11 @@ strhandle(void) { char *p = NULL, *dec; int j, narg, par; + const struct { int idx; char *str; } osc_table[] = { + { defaultfg, "foreground" }, + { defaultbg, "background" }, + { defaultcs, "cursor" } + }; term.esc &= ~(ESC_STR_END|ESC_STR); strparse(); @@ -1909,43 +1904,22 @@ strhandle(void) } return; case 10: - if (narg < 2) - break; - - p = strescseq.args[1]; - - if (!strcmp(p, "?")) - osc_color_response(defaultfg, 10); - else if (xsetcolorname(defaultfg, p)) - fprintf(stderr, "erresc: invalid foreground color: %s\n", p); - else - tfulldirt(); - return; case 11: - if (narg < 2) - break; - - p = strescseq.args[1]; - - if (!strcmp(p, "?")) - osc_color_response(defaultbg, 11); - else if (xsetcolorname(defaultbg, p)) - fprintf(stderr, "erresc: invalid background color: %s\n", p); - else - tfulldirt(); - return; case 12: if (narg < 2) break; - p = strescseq.args[1]; - - if (!strcmp(p, "?")) - osc_color_response(defaultcs, 12); - else if (xsetcolorname(defaultcs, p)) - fprintf(stderr, "erresc: invalid cursor color: %s\n", p); - else + if ((j = par - 10) < 0 || j >= LEN(osc_table)) + break; /* shouldn't be possible */ + + if (!strcmp(p, "?")) { + osc_color_response(par, osc_table[j].idx, 0); + } else if (xsetcolorname(osc_table[j].idx, p)) { + fprintf(stderr, "erresc: invalid %s color: %s\n", + osc_table[j].str, p); + } else { tfulldirt(); + } return; case 4: /* color set */ if (narg < 3) @@ -1955,9 +1929,9 @@ strhandle(void) case 104: /* color reset */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (p && !strcmp(p, "?")) - osc4_color_response(j); - else if (xsetcolorname(j, p)) { + if (p && !strcmp(p, "?")) { + osc_color_response(j, 0, 1); + } else if (xsetcolorname(j, p)) { if (par == 104 && narg <= 1) return; /* color reset without parameter */ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n", |