st

commit 31c3734a4f6c38dae90cefc5aa43b217b41e00a9
parent 940be44cf342ba880e02f905c6eb42e55cee5cf8
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Sun, 26 Oct 2025 21:34:40 +0900

Merge https://git.suckless.org/st

Diffstat:
M
config.mk
 | 
2
+-
M
st.c
 | 
39
+++++++++++++++++++++++++++++----------

2 files changed, 30 insertions(+), 11 deletions(-)
diff --git a/config.mk b/config.mk
@@ -1,5 +1,5 @@
 # st version
-VERSION = 0.9.2
+VERSION = 0.9.3
 
 # Customize below to fit your system
 
diff --git a/st.c b/st.c
@@ -1420,16 +1420,22 @@ tsetattr(const int *attr, int l)
 			if ((idx = tdefcolor(attr, &i, l)) >= 0)
 				term.c.attr.fg = idx;
 			break;
-		case 39:
+		case 39: /* set foreground color to default */
 			term.c.attr.fg = defaultfg;
 			break;
 		case 48:
 			if ((idx = tdefcolor(attr, &i, l)) >= 0)
 				term.c.attr.bg = idx;
 			break;
-		case 49:
+		case 49: /* set background color to default */
 			term.c.attr.bg = defaultbg;
 			break;
+		case 58:
+			/* This starts a sequence to change the color of
+			 * "underline" pixels. We don't support that and
+			 * instead eat up a following "5;n" or "2;r;g;b". */
+			tdefcolor(attr, &i, l);
+			break;
 		default:
 			if (BETWEEN(attr[i], 30, 37)) {
 				term.c.attr.fg = attr[i] - 30;
@@ -1526,7 +1532,7 @@ tsetmode(int priv, int set, const int *args, int narg)
 			case 1006: /* 1006: extended reporting mode */
 				xsetmode(set, MODE_MOUSESGR);
 				break;
-			case 1034:
+			case 1034: /* 1034: enable 8-bit mode for keyboard input */
 				xsetmode(set, MODE_8BIT);
 				break;
 			case 1049: /* swap screen & set/restore cursor as xterm */
@@ -1534,8 +1540,8 @@ tsetmode(int priv, int set, const int *args, int narg)
 					break;
 				tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
 				/* FALLTHROUGH */
-			case 47: /* swap screen */
-			case 1047:
+			case 47: /* swap screen buffer */
+			case 1047: /* swap screen buffer */
 				if (!allowaltscreen)
 					break;
 				alt = IS_SET(MODE_ALTSCREEN);
@@ -1548,7 +1554,7 @@ tsetmode(int priv, int set, const int *args, int narg)
 				if (*args != 1049)
 					break;
 				/* FALLTHROUGH */
-			case 1048:
+			case 1048: /* save/restore cursor (like DECSC/DECRC) */
 				tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
 				break;
 			case 2004: /* 2004: bracketed paste mode */
@@ -1907,7 +1913,7 @@ strhandle(void)
 			if (narg > 1)
 				xsettitle(strescseq.args[1]);
 			return;
-		case 52:
+		case 52: /* manipulate selection data */
 			if (narg > 2 && allowwindowops) {
 				dec = base64dec(strescseq.args[2]);
 				if (dec) {
@@ -1918,9 +1924,9 @@ strhandle(void)
 				}
 			}
 			return;
-		case 10:
-		case 11:
-		case 12:
+		case 10: /* set dynamic VT100 text foreground color */
+		case 11: /* set dynamic VT100 text background color */
+		case 12: /* set dynamic text cursor color */
 			if (narg < 2)
 				break;
 			p = strescseq.args[1];
@@ -1961,6 +1967,19 @@ strhandle(void)
 				tfulldirt();
 			}
 			return;
+		case 110: /* reset dynamic VT100 text foreground color */
+		case 111: /* reset dynamic VT100 text background color */
+		case 112: /* reset dynamic text cursor color */
+			if (narg != 1)
+				break;
+			if ((j = par - 110) < 0 || j >= LEN(osc_table))
+				break; /* shouldn't be possible */
+			if (xsetcolorname(osc_table[j].idx, NULL)) {
+				fprintf(stderr, "erresc: %s color not found\n", osc_table[j].str);
+			} else {
+				tfulldirt();
+			}
+			return;
 		}
 		break;
 	case 'k': /* old title set compatibility */