TildeClub/ex-vi
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limited capability to view long lines with vi

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This commit is contained in:
Gunnar Ritter
2005-08-05 23:15:03 +00:00
parent b5ea77e25f
commit 5e1eca3ce2
12 changed files with 98 additions and 56 deletions
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21
ex_vmain.c
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@@ -73,7 +73,7 @@
#ifndef lint
#ifdef DOSCCS
static char sccsid[] = "@(#)ex_vmain.c 1.31 (gritter) 8/4/05";
static char sccsid[] = "@(#)ex_vmain.c 1.32 (gritter) 8/6/05";
#endif
#endif
@@ -100,11 +100,11 @@ vmain(void)
cell esave[TUBECOLS];
char *oglobp;
short d;
line *addr;
line *addr, *odot;
int ind, nlput;
int shouldpo = 0;
int onumber = 0, olist = 0;
void (*OPline)(int) = NULL;
void (*OPline)(int, int) = NULL;
int (*OPutchar)(int) = NULL;
CLOBBGRD(c);
@@ -514,13 +514,22 @@ reread:
*/
case CTRL('b'):
vsave();
odot = dot;
if (one + vcline != dot && vcnt > 2) {
addr = dot - vcline + 2 - (cnt-1)*basWLINES;
forbid (addr <= zero);
dot = (line*)addr;
vcnt = vcline = 0;
}
vzop(0, 0, '^');
do {
dot = addr;
vzop(0, 0, '^');
/*
* When a single line fills the
* entire screen, ^B can become
* a no-op without the loop.
*/
} while (dot == odot && --addr > zero);
} else
vzop(0, 0, '^');
continue;
/*