xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

vt: on resize, restore screen using history buffer

Browse source
This commit is contained in:
cinap_lenrek 2012-11-10 07:56:39 +01:00
parent 0ad8548b70
commit 00daf47137
1 changed files with 9 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
sys/src/cmd/vt/main.c
View file

@ -579,6 +579,8 @@ resize(void)
olines = 0;
exportsize();
clear(screen->r);
if(resize_flag > 1)
backup(backc);
resize_flag = 0;
werrstr(""); /* clear spurious error messages */
}
@ -684,7 +686,13 @@ backup(int count)
register char *cp;
eresized(0);
n = 3*(count+1)*ymax/4;
if(count == 0 && !pagemode) {
n = ymax;
nbacklines = HISTSIZ; /* make sure we scroll to the very end */
} else{
n = 3*(count+1)*ymax/4;
nbacklines = ymax-1;
}
cp = histp;
atend = 0;
while (n >= 0) {
@ -702,7 +710,6 @@ backup(int count)
if(cp >= &hist[HISTSIZ])
cp = hist;
backp = cp;
nbacklines = ymax-2;
}
Point