struct ww *
getwin(void)
{
int c;
struct ww *w = 0;
if (!terse)
wwputs("Which window? ", cmdwin);
wwcurtowin(cmdwin);
while ((c = wwgetc()) < 0)
wwiomux();
if (debug && c == 'c')
w = cmdwin;
else if (debug && c == 'f')
w = framewin;
else if (debug && c == 'b')
w = boxwin;
else if (c >= '1' && c < NWINDOW + '1')
w = window[c - '1'];
else if (c == '+')
w = selwin;
else if (c == '-')
w = lastselwin;
if (w == 0)
wwbell();
if (!terse)
wwputc('\n', cmdwin);
return w;
}
void
c_quit(void)
{
char oldterse = terse;
setterse(0);
wwputs("Really quit [yn]? ", cmdwin);
wwcurtowin(cmdwin);
while (wwpeekc() < 0)
wwiomux();
if (wwgetc() == 'y') {
wwputs("Yes", cmdwin);
quit++;
} else
wwputc('\n', cmdwin);
setterse(!quit && oldterse);
}
void
verror(const char *fmt, va_list ap)
{
struct context *x;
struct ww *w;
for (x = &cx; x != 0 && x->x_type != X_FILE; x = x->x_link)
;
if (x == 0) {
if (terse)
wwbell();
else {
wwvprintf(cmdwin, fmt, ap);
wwputs(" ", cmdwin);
}
return;
}
if (x->x_noerr)
return;
if ((w = x->x_errwin) == 0) {
char buf[512];
(void) snprintf(buf, sizeof(buf), "Errors from %s",
x->x_filename);
if ((w = x->x_errwin = openiwin(ERRLINES, buf)) == 0) {
wwputs("Can't open error window. ", cmdwin);
x->x_noerr = 1;
return;
}
}
if (more(w, 0) == 2) {
x->x_noerr = 1;
return;
}
wwprintf(w, "line %d: ", x->x_lineno);
wwvprintf(w, fmt, ap);
wwputc('\n', w);
}
int
more(struct ww *w, char always)
{
int c;
int uc = ISSET(w->ww_wflags, WWW_UNCTRL);
if (!always && w->ww_cur.r < w->ww_w.b - 2)
return 0;
c = waitnl1(w, "[Type escape to abort, any other key to continue]");
CLR(w->ww_wflags, WWW_UNCTRL);
wwputs("\033E", w);
SET(w->ww_wflags, uc);
return c == ctrl('[') ? 2 : 1;
}
int
help_print(struct ww *w, const char *name, const char **list)
{
wwprintf(w, "%s:\n\n", name);
while (*list)
switch (more(w, 0)) {
case 0:
wwputs(*list++, w);
wwputc('\n', w);
break;
case 1:
wwprintf(w, "%s: (continued)\n\n", name);
break;
case 2:
return -1;
}
return more(w, 1) == 2 ? -1 : 0;
}
/*
* Window size.
*/
void
c_size(struct ww *w)
{
int col, row;
if (!terse)
wwputs("New window size (lower right corner): ", cmdwin);
col = MIN(w->ww_w.r, wwncol) - 1;
row = MIN(w->ww_w.b, wwnrow) - 1;
wwadd(boxwin, framewin->ww_back);
for (;;) {
wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
row - w->ww_w.t + 3, col - w->ww_w.l + 3);
wwsetcursor(row, col);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
wwnrow - 1, wwncol - 1)) {
case 3:
wwunbox(boxwin);
wwdelete(boxwin);
return;
case 2:
wwunbox(boxwin);
break;
case 1:
wwunbox(boxwin);
case 0:
continue;
}
break;
}
wwdelete(boxwin);
if (!terse)
wwputc('\n', cmdwin);
wwcurtowin(cmdwin);
sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
}
c_debug()
{
register struct ww *w;
if (!terse)
wwputs("[m(smap) n(ns) o(os) s(string) v(nvis) w(win)]? ", cmdwin);
wwcurtowin(cmdwin);
while (wwpeekc() < 0)
wwiomux();
if (!terse)
wwputc('\n', cmdwin);
switch (wwgetc()) {
case 'm':
wwdumpsmap();
break;
case 'n':
wwdumpns();
break;
case 'o':
wwdumpos();
break;
case 's':
debug_str();
break;
case 'v':
if ((w = getwin()) != 0)
wwdumpnvis(w);
break;
case 'w':
if ((w = getwin()) != 0)
wwdumpwin(w);
break;
default:
wwbell();
}
}
void
c_yank(void)
{
struct ww *w = selwin;
int col1, row1;
int col2, row2;
int r, c;
if (!terse)
wwputs("Yank starting position: ", cmdwin);
wwcursor(w, 0);
row1 = w->ww_cur.r;
col1 = w->ww_cur.c;
for (;;) {
wwsetcursor(row1, col1);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
w->ww_i.b - 1, w->ww_i.r - 1)) {
case 3:
goto out;
case 2:
break;
case 1:
case 0:
continue;
}
break;
}
if (!terse)
wwputs("\nYank ending position: ", cmdwin);
row2 = row1;
col2 = col1;
for (;;) {
wwsetcursor(row2, col2);
while (wwpeekc() < 0)
wwiomux();
r = row2;
c = col2;
switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
w->ww_i.b - 1, w->ww_i.r - 1)) {
case 3:
yank_highlight(row1, col1, r, c);
goto out;
case 2:
break;
case 1:
yank_highlight(row1, col1, r, c);
yank_highlight(row1, col1, row2, col2);
case 0:
continue;
}
break;
}
if (row2 < row1 || (row2 == row1 && col2 < col1)) {
r = row1;
c = col1;
row1 = row2;
col1 = col2;
row2 = r;
col2 = c;
}
unyank();
c = col1;
for (r = row1; r < row2; r++) {
yank_line(r, c, w->ww_b.r);
c = w->ww_b.l;
}
yank_line(r, c, col2);
yank_highlight(row1, col1, row2, col2);
if (!terse)
wwputc('\n', cmdwin);
out:
wwcursor(w, 1);
}
void
docmd(void)
{
int c;
struct ww *w;
char out = 0;
while (!out && !quit) {
if ((c = wwgetc()) < 0) {
if (terse)
wwsetcursor(0, 0);
else {
wwputs("Command: ", cmdwin);
wwcurtowin(cmdwin);
}
do
wwiomux();
while ((c = wwgetc()) < 0);
}
if (!terse)
wwputc('\n', cmdwin);
switch (c) {
default:
if (c != escapec)
break;
case 'h': case 'j': case 'k': case 'l':
case 'y': case 'p':
case ctrl('y'):
case ctrl('e'):
case ctrl('u'):
case ctrl('d'):
case ctrl('b'):
case ctrl('f'):
case ctrl('s'):
case ctrl('q'):
case ctrl('['):
if (selwin == 0) {
error("No window.");
continue;
}
}
switch (c) {
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
if ((w = window[c - '1']) == 0) {
error("%c: No such window.", c);
break;
}
setselwin(w);
if (checkproc(selwin) >= 0)
out = 1;
break;
case '%':
if ((w = getwin()) != 0)
setselwin(w);
break;
case ctrl('^'):
if (lastselwin != 0) {
setselwin(lastselwin);
if (checkproc(selwin) >= 0)
out = 1;
} else
error("No previous window.");
break;
case 'c':
if ((w = getwin()) != 0)
closewin(w);
break;
case 'w':
c_window();
break;
case 'm':
if ((w = getwin()) != 0)
c_move(w);
break;
case 'M':
if ((w = getwin()) != 0)
movewin(w, w->ww_alt.t, w->ww_alt.l);
break;
case 's':
if ((w = getwin()) != 0)
c_size(w);
break;
case 'S':
if ((w = getwin()) != 0)
sizewin(w, w->ww_alt.nr, w->ww_alt.nc);
break;
case 'y':
c_yank();
break;
case 'p':
c_put();
break;
case ':':
c_colon();
break;
case 'h':
(void) wwwrite(selwin, "\b", 1);
break;
case 'j':
(void) wwwrite(selwin, "\n", 1);
break;
case 'k':
(void) wwwrite(selwin, "\033A", 2);
break;
case 'l':
(void) wwwrite(selwin, "\033C", 2);
break;
case ctrl('e'):
wwscroll(selwin, 1);
break;
case ctrl('y'):
wwscroll(selwin, -1);
break;
case ctrl('d'):
wwscroll(selwin, selwin->ww_w.nr / 2);
break;
case ctrl('u'):
wwscroll(selwin, - selwin->ww_w.nr / 2);
break;
case ctrl('f'):
wwscroll(selwin, selwin->ww_w.nr);
break;
case ctrl('b'):
wwscroll(selwin, - selwin->ww_w.nr);
break;
case ctrl('s'):
stopwin(selwin);
break;
case ctrl('q'):
startwin(selwin);
break;
case ctrl('l'):
wwredraw();
break;
case '?':
c_help();
break;
case ctrl('['):
if (checkproc(selwin) >= 0)
out = 1;
break;
case ctrl('z'):
wwsuspend();
break;
case 'q':
c_quit();
break;
/* debugging stuff */
case '&':
if (debug) {
c_debug();
break;
}
default:
if (c == escapec) {
if (checkproc(selwin) >= 0) {
(void) write(selwin->ww_pty,
&escapec, 1);
out = 1;
}
} else {
if (!terse)
wwbell();
error("Type ? for help.");
}
}
}
if (!quit)
setcmd(0);
}
c_window()
{
int col, row, xcol, xrow;
int id;
if ((id = findid()) < 0)
return;
if (!terse)
wwputs("New window (upper left corner): ", cmdwin);
col = 0;
row = 1;
wwadd(boxwin, framewin->ww_back);
for (;;) {
wwbox(boxwin, row - 1, col - 1, 3, 3);
wwsetcursor(row, col);
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&row, &col, row > 1, 0,
wwnrow - 1, wwncol - 1)) {
case 3:
wwunbox(boxwin);
wwdelete(boxwin);
return;
case 2:
wwunbox(boxwin);
break;
case 1:
wwunbox(boxwin);
case 0:
continue;
}
break;
}
if (!terse)
wwputs("\nNew window (lower right corner): ", cmdwin);
xcol = col;
xrow = row;
for (;;) {
wwbox(boxwin, row - 1, col - 1,
xrow - row + 3, xcol - col + 3);
wwsetcursor(xrow, xcol);
wwflush();
while (wwpeekc() < 0)
wwiomux();
switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
{
case 3:
wwunbox(boxwin);
wwdelete(boxwin);
return;
case 2:
wwunbox(boxwin);
break;
case 1:
wwunbox(boxwin);
case 0:
continue;
}
break;
}
wwdelete(boxwin);
if (!terse)
wwputc('\n', cmdwin);
wwcurtowin(cmdwin);
(void) openwin(id, row, col, xrow-row+1, xcol-col+1, nbufline,
(char *) 0, 1, 1, shellfile, shell);
}
