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fixed IL and DL.

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This commit is contained in:
Aurélien Aptel 2010-09-01 17:21:09 +02:00
parent ef69118028
commit 5ce6c5c032
1 changed files with 11 additions and 19 deletions
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30
st.c
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@ -392,8 +392,10 @@ ttyread(void) {
if((ret = read(cmdfd, buf, LEN(buf))) < 0) if((ret = read(cmdfd, buf, LEN(buf))) < 0)
die("Couldn't read from shell: %s\n", SERRNO); die("Couldn't read from shell: %s\n", SERRNO);
else else {
printf("ttyread %d\n", ret);
tputs(buf, ret); tputs(buf, ret);
}
} }
void void
@ -589,21 +591,16 @@ tinsertblankline(int n) {
Line blank; Line blank;
int bot = term.bot; int bot = term.bot;
if(term.c.y > term.bot) if(term.c.y < term.top || term.c.y > term.bot)
bot = term.row - 1;
else if(term.c.y < term.top)
bot = term.top - 1;
if(term.c.y + n >= bot) {
tclearregion(0, term.c.y, term.col-1, bot);
return; return;
}
LIMIT(n, 0, bot-term.c.y+1);
tclearregion(0, bot-n+1, term.col-1, bot);
for(i = bot; i >= term.c.y+n; i--) { for(i = bot; i >= term.c.y+n; i--) {
/* swap deleted line <-> blanked line */ /* swap deleted line <-> blanked line */
blank = term.line[i]; blank = term.line[i];
term.line[i] = term.line[i-n]; term.line[i] = term.line[i-n];
term.line[i-n] = blank; term.line[i-n] = blank;
/* blank it */
memset(blank, 0, term.col * sizeof(Glyph));
} }
} }
@ -613,21 +610,16 @@ tdeleteline(int n) {
Line blank; Line blank;
int bot = term.bot; int bot = term.bot;
if(term.c.y > term.bot) if(term.c.y < term.top || term.c.y > term.bot)
bot = term.row - 1;
else if(term.c.y < term.top)
bot = term.top - 1;
if(term.c.y + n >= bot) {
tclearregion(0, term.c.y, term.col-1, bot);
return; return;
}
LIMIT(n, 0, bot-term.c.y+1);
tclearregion(0, term.c.y, term.col-1, term.c.y+n-1);
for(i = term.c.y; i <= bot-n; i++) { for(i = term.c.y; i <= bot-n; i++) {
/* swap deleted line <-> blanked line */ /* swap deleted line <-> blanked line */
blank = term.line[i]; blank = term.line[i];
term.line[i] = term.line[i+n]; term.line[i] = term.line[i+n];
term.line[i+n] = blank; term.line[i+n] = blank;
/* blank it */
memset(blank, 0, term.col * sizeof(Glyph));
} }
} }