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Add HTS sequence

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This sequence adds a new tab stop in the current horizontal position. This
means that tputtab must be look for the next tab stop in the tabs array
instead of using a hard coded value offset. Also, CHT sequence XXX message
is removed because it is not a vt10x sequence (as far as I know it is a
vt50x sequence), and it is not implemented by linux virtual terminal neither
by xterm.

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>
---
 st.c |   12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
This commit is contained in:
Roberto E. Vargas Caballero 2012-08-29 19:59:43 +02:00
parent ee7fd748ac
commit 93901ca4fe
1 changed files with 9 additions and 3 deletions
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12
st.c
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@ -1214,7 +1214,6 @@ csihandle(void) {
DEFAULT(escseq.arg[1], 1); DEFAULT(escseq.arg[1], 1);
tmoveto(escseq.arg[1]-1, escseq.arg[0]-1); tmoveto(escseq.arg[1]-1, escseq.arg[0]-1);
break; break;
/* XXX: (CSI n I) CHT -- Cursor Forward Tabulation <n> tab stops */
case 'J': /* ED -- Clear screen */ case 'J': /* ED -- Clear screen */
sel.bx = -1; sel.bx = -1;
switch(escseq.arg[0]) { switch(escseq.arg[0]) {
@ -1429,8 +1428,11 @@ csireset(void) {
void void
tputtab(void) { tputtab(void) {
int space = TAB - term.c.x % TAB; unsigned x;
tmoveto(term.c.x + space, term.c.y);
for (x = term.c.x + 1; x < term.col && !term.tabs[x]; ++x)
/* nothing */ ;
tmoveto(x, term.c.y);
} }
void void
@ -1491,6 +1493,10 @@ tputc(char *c) {
tnewline(1); /* always go to first col */ tnewline(1); /* always go to first col */
term.esc = 0; term.esc = 0;
break; break;
case 'H': /* HTS -- Horizontal tab stop */
term.tabs[term.c.x] = 1;
term.esc = 0;
break;
case 'M': /* RI -- Reverse index */ case 'M': /* RI -- Reverse index */
if(term.c.y == term.top) if(term.c.y == term.top)
tscrolldown(term.top, 1); tscrolldown(term.top, 1);