/*
* Enter visual mode
*/
void
vop(void)
{
register int c;
#if 0
char atube[TUBESIZE + LBSIZE];
#endif
ttymode f; /* mjm: was register */
if (!CA && UP == NOSTR) {
if (initev) {
toopen:
merror("[Using open mode]");
putNFL();
oop();
return;
}
error("Visual needs addressible cursor or upline capability");
}
if (OS && !EO) {
if (initev)
goto toopen;
error("Can't use visual on a terminal which overstrikes");
}
if (!CL) {
if (initev)
goto toopen;
error("Visual requires clear screen capability");
}
if (NS && !SF) {
if (initev)
goto toopen;
error("Visual requires scrolling");
}
ovbeg();
bastate = VISUAL;
c = 0;
if (any(peekchar(), "+-^."))
c = ex_getchar();
pastwh();
vsetsiz(isdigit(peekchar()) ? getnum() : value(WINDOW));
setwind();
ex_newline();
vok(atube);
if (!inglobal)
savevis();
Outchar = vputchar;
vmoving = 0;
f = ostart();
if (initev == 0) {
vcontext(dot, c);
vnline(NOSTR);
}
vmain();
Command = "visual";
ovend(f);
}
/* reinitialize window size after SIGWINCH */
void windowinit()
{
windowchg = 0;
setsize();
if(value(vi_WINDOW) >= lines || options[vi_WINDOW].odefault == value(vi_WINDOW))
value(vi_WINDOW) = lines -1;
options[vi_WINDOW].odefault = lines - 1;
if(options[vi_SCROLL].odefault == value(vi_SCROLL))
value(vi_SCROLL) = value(vi_WINDOW)/2;
options[vi_SCROLL].odefault = (lines - 1)/2;
vsetsiz(value(vi_WINDOW));
setwind();
vok(atube, 1);
}
oop()
{
register char *ic;
#ifndef u370
char atube[TUBESIZE + LBSIZE];
#endif
ttymode f; /* mjm: was register */
int resize;
if (resize = setjmp(venv)) {
setsize();
initev = (char *)0;
inopen = 0;
addr1 = addr2 = dot;
}
(void)signal(SIGWINCH, winch);
ovbeg();
if (peekchar() == '/') {
ignore(compile(getchar(), 1));
savere(scanre);
if (execute(0, dot) == 0)
error("Fail|Pattern not found on addressed line");
ic = loc1;
if (ic > linebuf && *ic == 0)
ic--;
} else {
getDOT();
ic = vskipwh(linebuf);
}
newline();
/*
* If overstrike then have to HARDOPEN
* else if can move cursor up off current line can use CRTOPEN (~~vi1)
* otherwise (ugh) have to use ONEOPEN (like adm3)
*/
if (OS && !EO)
bastate = HARDOPEN;
else if (CA || UP)
bastate = CRTOPEN;
else
bastate = ONEOPEN;
setwind();
/*
* To avoid bombing on glass-crt's when the line is too long
* pretend that such terminals are 160 columns wide.
* If a line is too wide for display, we will dynamically
* switch to hardcopy open mode.
*/
if (state != CRTOPEN)
WCOLS = TUBECOLS;
if (!inglobal)
savevis();
vok(atube);
if (state != CRTOPEN)
COLUMNS = WCOLS;
Outchar = vputchar;
f = ostart();
if (state == CRTOPEN) {
if (outcol == UKCOL)
outcol = 0;
vmoveitup(1, 1);
} else
outline = destline = WBOT;
vshow(dot, NOLINE);
vnline(ic);
vmain();
if (state != CRTOPEN)
vclean();
Command = "open";
ovend(f);
(void)signal(SIGWINCH, SIG_DFL);
}