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author | Raheman Vaiya <r.vaiya@gmail.com> | 2021-12-26 18:57:04 +0100 |
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committer | Hiltjo Posthuma <hiltjo@codemadness.org> | 2021-12-26 18:57:44 +0100 |
commit | 8e310303903792c010d03c046ba75f8b18f7d3a7 (patch) | |
tree | f634e71e556b312e64ed1cc9ddd5b1e3fb3ced71 /st.c | |
parent | 2f6e597ed871cff91c627850d03152cae5f45779 (diff) | |
download | st-8e310303903792c010d03c046ba75f8b18f7d3a7.tar.gz st-8e310303903792c010d03c046ba75f8b18f7d3a7.tar.bz2 st-8e310303903792c010d03c046ba75f8b18f7d3a7.zip |
Add support for OSC color sequences
Diffstat (limited to 'st.c')
-rw-r--r-- | st.c | 80 |
1 files changed, 79 insertions, 1 deletions
@@ -1843,6 +1843,42 @@ csireset(void) } void +osc4_color_response(int num) +{ + 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); + 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]%d;rgb:%02x%02x/%02x%02x/%02x%02x\007", + num, r, r, g, g, b, b); + + ttywrite(buf, n, 1); +} + +void strhandle(void) { char *p = NULL, *dec; @@ -1880,6 +1916,45 @@ 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 + redraw(); + break; + 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 + redraw(); + break; + 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 + redraw(); + break; case 4: /* color set */ if (narg < 3) break; @@ -1887,7 +1962,10 @@ strhandle(void) /* FALLTHROUGH */ case 104: /* color reset, here p = NULL */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (xsetcolorname(j, p)) { + + if (!strcmp(p, "?")) + osc4_color_response(j); + 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", |