add a few comments

author: Hiltjo Posthuma <hiltjo@codemadness.org> 2025-08-09 12:57:30 +0200
committer: Hiltjo Posthuma <hiltjo@codemadness.org> 2025-08-09 14:22:28 +0200
commit: 5a4666c19e3956069147aee43a06b326d998366e (patch)
tree: a3d67441ff62e2ac4a723147cd421548b5e2d9d4
parent: Support OSC 110, 111, and 112 for resetting colors (diff)
download: st-5a4666c19e3956069147aee43a06b326d998366e.tar.gz
st-5a4666c19e3956069147aee43a06b326d998366e.zip
1 files changed, 13 insertions, 13 deletions
diff --git a/st.c b/st.c
index e9fea17..8e57991 100644
--- a/st.c
+++ b/st.c
@@ -1420,14 +1420,14 @@ 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:
@@ -1532,7 +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 */
@@ -1540,8 +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 47: /* swap screen buffer */
-                        case 1047:
+                        case 1047: /* swap screen buffer */
                                if (!allowaltscreen)
                                        break;
                                alt = IS_SET(MODE_ALTSCREEN);
@@ -1554,7 +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 */
@@ -1913,7 +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) {
@@ -1924,9 +1924,9 @@ strhandle(void)
                                }
                        }
                        return;
-                case 10:
+                case 10: /* set dynamic VT100 text foreground color */
-                case 11:
+                case 11: /* set dynamic VT100 text background color */
-                case 12:
+                case 12: /* set dynamic text cursor color */
                        if (narg < 2)
                                break;
                        p = strescseq.args[1];
@@ -1967,9 +1967,9 @@ strhandle(void)
                                tfulldirt();
                        }
                        return;
-                case 110:
+                case 110: /* reset dynamic VT100 text foreground color */
-                case 111:
+                case 111: /* reset dynamic VT100 text background color */
-                case 112:
+                case 112: /* reset dynamic text cursor color */
                        if (narg != 1)
                                break;
                        if ((j = par - 110) < 0 || j >= LEN(osc_table))
author	Hiltjo Posthuma <hiltjo@codemadness.org>	2025-08-09 12:57:30 +0200
committer	Hiltjo Posthuma <hiltjo@codemadness.org>	2025-08-09 14:22:28 +0200
commit	5a4666c19e3956069147aee43a06b326d998366e (patch)
tree	a3d67441ff62e2ac4a723147cd421548b5e2d9d4
parent	Support OSC 110, 111, and 112 for resetting colors (diff)
download	st-5a4666c19e3956069147aee43a06b326d998366e.tar.gz st-5a4666c19e3956069147aee43a06b326d998366e.zip

diff --git a/st.c b/st.c index e9fea17..8e57991 100644 --- a/st.c +++ b/st.c
@@ -1420,14 +1420,14 @@ tsetattr(const int *attr, int l)
1420	if ((idx = tdefcolor(attr, &i, l)) >= 0)	1420	if ((idx = tdefcolor(attr, &i, l)) >= 0)
1421	term.c.attr.fg = idx;	1421	term.c.attr.fg = idx;
1422	break;	1422	break;
1423	case 39:	1423	case 39: /* set foreground color to default */
1424	term.c.attr.fg = defaultfg;	1424	term.c.attr.fg = defaultfg;
1425	break;	1425	break;
1426	case 48:	1426	case 48:
1427	if ((idx = tdefcolor(attr, &i, l)) >= 0)	1427	if ((idx = tdefcolor(attr, &i, l)) >= 0)
1428	term.c.attr.bg = idx;	1428	term.c.attr.bg = idx;
1429	break;	1429	break;
1430	case 49:	1430	case 49: /* set background color to default */
1431	term.c.attr.bg = defaultbg;	1431	term.c.attr.bg = defaultbg;
1432	break;	1432	break;
1433	case 58:	1433	case 58:
@@ -1532,7 +1532,7 @@ tsetmode(int priv, int set, const int *args, int narg)
1532	case 1006: /* 1006: extended reporting mode */	1532	case 1006: /* 1006: extended reporting mode */
1533	xsetmode(set, MODE_MOUSESGR);	1533	xsetmode(set, MODE_MOUSESGR);
1534	break;	1534	break;
1535	case 1034:	1535	case 1034: /* 1034: enable 8-bit mode for keyboard input */
1536	xsetmode(set, MODE_8BIT);	1536	xsetmode(set, MODE_8BIT);
1537	break;	1537	break;
1538	case 1049: /* swap screen & set/restore cursor as xterm */	1538	case 1049: /* swap screen & set/restore cursor as xterm */
@@ -1540,8 +1540,8 @@ tsetmode(int priv, int set, const int *args, int narg)
1540	break;	1540	break;
1541	tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);	1541	tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1542	/* FALLTHROUGH */	1542	/* FALLTHROUGH */
1543	case 47: /* swap screen */	1543	case 47: /* swap screen buffer */
1544	case 1047:	1544	case 1047: /* swap screen buffer */
1545	if (!allowaltscreen)	1545	if (!allowaltscreen)
1546	break;	1546	break;
1547	alt = IS_SET(MODE_ALTSCREEN);	1547	alt = IS_SET(MODE_ALTSCREEN);
@@ -1554,7 +1554,7 @@ tsetmode(int priv, int set, const int *args, int narg)
1554	if (*args != 1049)	1554	if (*args != 1049)
1555	break;	1555	break;
1556	/* FALLTHROUGH */	1556	/* FALLTHROUGH */
1557	case 1048:	1557	case 1048: /* save/restore cursor (like DECSC/DECRC) */
1558	tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);	1558	tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
1559	break;	1559	break;
1560	case 2004: /* 2004: bracketed paste mode */	1560	case 2004: /* 2004: bracketed paste mode */
@@ -1913,7 +1913,7 @@ strhandle(void)
1913	if (narg > 1)	1913	if (narg > 1)
1914	xsettitle(strescseq.args[1]);	1914	xsettitle(strescseq.args[1]);
1915	return;	1915	return;
1916	case 52:	1916	case 52: /* manipulate selection data */
1917	if (narg > 2 && allowwindowops) {	1917	if (narg > 2 && allowwindowops) {
1918	dec = base64dec(strescseq.args[2]);	1918	dec = base64dec(strescseq.args[2]);
1919	if (dec) {	1919	if (dec) {
@@ -1924,9 +1924,9 @@ strhandle(void)
1924	}	1924	}
1925	}	1925	}
1926	return;	1926	return;
1927	case 10:	1927	case 10: /* set dynamic VT100 text foreground color */
1928	case 11:	1928	case 11: /* set dynamic VT100 text background color */
1929	case 12:	1929	case 12: /* set dynamic text cursor color */
1930	if (narg < 2)	1930	if (narg < 2)
1931	break;	1931	break;
1932	p = strescseq.args[1];	1932	p = strescseq.args[1];
@@ -1967,9 +1967,9 @@ strhandle(void)
1967	tfulldirt();	1967	tfulldirt();
1968	}	1968	}
1969	return;	1969	return;
1970	case 110:	1970	case 110: /* reset dynamic VT100 text foreground color */
1971	case 111:	1971	case 111: /* reset dynamic VT100 text background color */
1972	case 112:	1972	case 112: /* reset dynamic text cursor color */
1973	if (narg != 1)	1973	if (narg != 1)
1974	break;	1974	break;
1975	if ((j = par - 110) < 0 \|\| j >= LEN(osc_table))	1975	if ((j = par - 110) < 0 \|\| j >= LEN(osc_table))