/* ARGSUSED */
int
poptofile(int f, int n)
{
struct buffer *bp;
struct mgwin *wp;
char fname[NFILEN], *adjf, *bufp;
int status;
if (getbufcwd(fname, sizeof(fname)) != TRUE)
fname[0] = '\0';
if ((bufp = eread("Find file in other window: ", fname, NFILEN,
EFNEW | EFCR | EFFILE | EFDEF)) == NULL)
return (ABORT);
else if (bufp[0] == '\0')
return (FALSE);
adjf = adjustname(fname, TRUE);
if (adjf == NULL)
return (FALSE);
if ((bp = findbuffer(adjf)) == NULL)
return (FALSE);
if (bp == curbp)
return (splitwind(f, n));
if ((wp = popbuf(bp)) == NULL)
return (FALSE);
curbp = bp;
curwp = wp;
if (bp->b_fname[0] == '\0') {
if ((status = readin(adjf)) != TRUE)
killbuffer(bp);
return (status);
}
return (TRUE);
}
/* ARGSUSED */
int
poptobuffer(int f, int n)
{
struct buffer *bp;
struct mgwin *wp;
char bufn[NBUFN], *bufp;
/* Get buffer to use from user */
if ((curbp->b_altb == NULL) &&
((curbp->b_altb = bfind("*scratch*", TRUE)) == NULL))
bufp = eread("Switch to buffer in other window: ", bufn, NBUFN,
EFNEW | EFBUF);
else
bufp = eread("Switch to buffer in other window: (default %s) ",
bufn, NBUFN, EFNUL | EFNEW | EFBUF, curbp->b_altb->b_bname);
if (bufp == NULL)
return (ABORT);
if (bufp[0] == '\0' && curbp->b_altb != NULL)
bp = curbp->b_altb;
else if ((bp = bfind(bufn, TRUE)) == NULL)
return (FALSE);
if (bp == curbp)
return (splitwind(f, n));
/* and put it in a new, non-ephemeral window */
if ((wp = popbuf(bp, WNONE)) == NULL)
return (FALSE);
curbp = bp;
curwp = wp;
return (TRUE);
}
/*
* Pick a window for a pop-up.
* Split the screen if there is only
* one window. Pick the uppermost window that
* isn't the current window. An LRU algorithm
* might be better. Return a pointer, or
* NULL on error.
*/
WINDOW *
wpopup() {
register WINDOW *wp;
if (wheadp->w_wndp == NULL
&& splitwind(FFRAND, 0) == FALSE)
return NULL;
wp = wheadp; /* Find window to use */
while (wp!=NULL && wp==curwp)
wp = wp->w_wndp;
return wp;
}
/*
* Pick a window for a pop-up. Split the screen if there is only one window.
* Pick the uppermost window that isn't the current window. An LRU algorithm
* might be better. Return a pointer, or NULL on error
*/
WINDOW *wpopup()
{
WINDOW *wp;
if (wheadp->w_wndp == NULL /* Only 1 window */
&& splitwind(FALSE, 0) == FALSE) /* and it won't split */
return (NULL);
wp = wheadp; /* Find window to use */
while (wp != NULL && wp == curwp)
wp = wp->w_wndp;
return (wp);
}
/*
* Pop the buffer we got passed onto the screen.
* Returns a status.
*/
struct mgwin *
popbuf(struct buffer *bp, int flags)
{
struct mgwin *wp;
if (bp->b_nwnd == 0) { /* Not on screen yet. */
/*
* Pick a window for a pop-up.
* If only one window, split the screen.
* Flag the new window as ephemeral
*/
if (wheadp->w_wndp == NULL &&
splitwind(FFOTHARG, flags) == FALSE)
return (NULL);
/*
* Pick the uppermost window that isn't
* the current window. An LRU algorithm
* might be better. Return a pointer, or NULL on error.
*/
wp = wheadp;
while (wp != NULL && wp == curwp)
wp = wp->w_wndp;
} else {
for (wp = wheadp; wp != NULL; wp = wp->w_wndp)
if (wp->w_bufp == bp) {
wp->w_rflag |= WFFULL | WFFRAME;
return (wp);
}
}
if (!wp)
return (NULL);
if (showbuffer(bp, wp, WFFULL) != TRUE)
return (NULL);
return (wp);
}
/*
* Pipe a one line command into a window
* Bound to ^X @
* We use a unique temporary file name so that multiple instances of
* MicroEMACS don't try to use the same file.
*/
pipecmd(f, n)
{
register WINDOW *wp; /* pointer to new window */
register BUFFER *bp; /* pointer to buffer to zot */
register char *tmp; /* ptr to TMP DOS environment variable */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NSTRING];
char *getenv();
/* don't allow this command if restricted */
if (restflag)
return(resterr());
/* get rid of the command output buffer if it exists */
if ((bp=bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
onlywind(FALSE, 1);
break;
}
wp = wp->w_wndp;
}
/* get rid of the existing command buffer */
if (zotbuf(bp) != TRUE)
return(FALSE);
}
/* get the command to pipe in */
if (mlreply("@", line, NLINE) != TRUE)
return(FALSE);
/* Call mktemp() to get a unique filename in the tmp directory. */
if ((tmp = getenv("TMP")) == NULL)
filnam[0] = 0;
else {
strcpy(filnam, tmp);
if (filnam[strlen(filnam) - 1] != '\\')
strcat(filnam, "\\");
}
strcat(filnam,"eXXXXXX");
mktemp(filnam);
/* redirect the command output to the output file */
strcat(line, " >>");
strcat(line, filnam);
movecursor(term.t_nrow - 1, 0);
/* execute the command */
TTkclose();
system(line);
TTkopen();
sgarbf = TRUE;
/* did the output file get generated? */
if (access( filnam, 0) != 0)
return(FALSE);
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return(FALSE);
/* rename the buffer */
strcpy( curwp->w_bufp->b_bname, "command");
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
wp = wheadp;
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
/* and get rid of the temporary file */
unlink(filnam);
return(TRUE);
}
int buffermenu(int f, int n)
{
BUFFER *bp;
BUFFER *org_bp = curbp;
int c,k;
int bufptr;
int bufcount = 0;
bufptr = 1;
start:
listbuffers(f,n);
swbuffer(blistp);
onlywind(0,0);
bufcount = count_buffers();
if (bufptr > bufcount)
bufptr = bufcount;
if (bufcount > 0)
forwline(0, bufptr + 1);
else
forwline(0, 2);
for (;;) {
mlwrite("Buffer Menu: 1,2,s,v,k,q ");
update();
c = ttgetc();
/* if no buffers, only allow exit */
if (bufcount == 0) {
switch (c) {
case 'q': case 'Q': case 'x': case 'X':
break;
default:
(*term.t_beep) ();
continue;
}
}
/*
* pre process escape sequence to get up/down arrows
* convert to CTRL+N, CTRL+P
*/
if (c == ESC) {
k = getctl();
if (k == '[') {
k = getctl();
switch(k) {
case 'A': c = CTRL_P; break;
case 'B': c = CTRL_N; break;
default:
(*term.t_beep)();
continue;
}
} else {
k = getctl();
(*term.t_beep) ();
continue;
}
} /* if ESC */
switch (c) {
case 'n':
case 'N':
case CTRL_N:
if (bufcount == bufptr) {
(*term.t_beep) ();
break;
}
forwline(0,1);
bufptr++;
break;
case 'p':
case 'P':
case CTRL_P:
if (bufptr == 1) {
(*term.t_beep) ();
break;
}
backline(0,1);
bufptr--;
break;
case '1':
bp = get_buffer(bufptr);
swbuffer(bp);
onlywind(0,0);
mlerase();
return TRUE;
case '2':
bp = get_buffer(bufptr);
swbuffer(bp);
onlywind(0,0);
/* need to check or is still valid */
if (valid_buf(org_bp) == TRUE && bufcount > 1)
{
splitwind(0,0);
swbuffer(org_bp);
nextwind(0,0);
}
mlerase();
return TRUE;
/* save file */
case 's':
case 'S':
bp = get_buffer(bufptr);
if (bp != NULL) {
curbp = bp;
(void)filesave(0,0);
curbp = blistp;
goto start;
}
break;
/* toggle read only */
case 'v':
case 'V':
case '%':
bp = get_buffer(bufptr);
if (bp != NULL) /* be defensive */
bp->b_flag ^= BFRO;
goto start;
break;
/* kill buffer */
case 'k':
case 'K':
bp = get_buffer(bufptr);
if (bp != NULL)
zotbuf(bp);
goto start;
break;
/* exit buffer menu */
case 'q':
case 'Q':
case 'x':
case 'X':
if (bufcount == 0) {
bp = get_scratch();
swbuffer(bp);
onlywind(0,0);
mlerase();
return TRUE;
}
if (valid_buf(org_bp) == TRUE)
swbuffer(org_bp);
else
swbuffer(bheadp);
onlywind(0,0);
mlerase();
return TRUE;
/* any other key */
default:
(*term.t_beep) ();
break;
}
}
mlerase();
return TRUE;
}
int
main(int argc, char **argv)
{
char *cp, *init_fcn_name = NULL;
PF init_fcn = NULL;
int o, i, nfiles;
int nobackups = 0;
struct buffer *bp = NULL;
#ifdef MRUBY
mrb_mg_init();
int noinitfile = 0;
#endif /* MRUBY */
while ((o = getopt(argc, argv, "nf:q")) != -1)
switch (o) {
case 'n':
nobackups = 1;
break;
case 'f':
if (init_fcn_name != NULL)
errx(1, "cannot specify more than one "
"initial function");
init_fcn_name = optarg;
break;
case 'q':
noinitfile = 1;
break;
default:
usage();
}
argc -= optind;
argv += optind;
maps_init(); /* Keymaps and modes. */
funmap_init(); /* Functions. */
/*
* This is where we initialize standalone extensions that should
* be loaded dynamically sometime in the future.
*/
{
extern void grep_init(void);
extern void theo_init(void);
extern void cmode_init(void);
extern void dired_init(void);
dired_init();
grep_init();
theo_init();
cmode_init();
#ifdef UTF8
utf8_init();
#endif /* UTF8 */
}
if (init_fcn_name &&
(init_fcn = name_function(init_fcn_name)) == NULL)
errx(1, "Unknown function `%s'", init_fcn_name);
vtinit(); /* Virtual terminal. */
dirinit(); /* Get current directory. */
edinit(bp); /* Buffers, windows. */
ttykeymapinit(); /* Symbols, bindings. */
/*
* doing update() before reading files causes the error messages from
* the file I/O show up on the screen. (and also an extra display of
* the mode line if there are files specified on the command line.)
*/
update();
/* user startup file */
#ifdef MRUBY
if (noinitfile == 0 && (cp = startupfile(NULL)) != NULL)
mrb_mg_load(cp);
#else
if ((cp = startupfile(NULL)) != NULL)
(void)load(cp);
#endif /* MRUBY */
/*
* Now ensure any default buffer modes from the startup file are
* given to any files opened when parsing the startup file.
* Note *scratch* will also be updated.
*/
for (bp = bheadp; bp != NULL; bp = bp->b_bufp) {
bp->b_flag = defb_flag;
for (i = 0; i <= defb_nmodes; i++) {
bp->b_modes[i] = defb_modes[i];
}
}
/* Force FFOTHARG=1 so that this mode is enabled, not simply toggled */
if (init_fcn)
init_fcn(FFOTHARG, 1);
if (nobackups)
makebkfile(FFARG, 0);
for (nfiles = 0, i = 0; i < argc; i++) {
if (argv[i][0] == '+' && strlen(argv[i]) >= 2) {
long long lval;
const char *errstr;
lval = strtonum(&argv[i][1], INT_MIN, INT_MAX, &errstr);
if (argv[i][1] == '\0' || errstr != NULL)
goto notnum;
startrow = lval;
} else {
notnum:
cp = adjustname(argv[i], FALSE);
if (cp != NULL) {
if (nfiles == 1)
splitwind(0, 1);
if ((curbp = findbuffer(cp)) == NULL) {
vttidy();
errx(1, "Can't find current buffer!");
}
(void)showbuffer(curbp, curwp, 0);
if (readin(cp) != TRUE)
killbuffer(curbp);
else {
/* Ensure enabled, not just toggled */
if (init_fcn_name)
init_fcn(FFOTHARG, 1);
nfiles++;
}
}
}
}
if (nfiles > 2)
listbuffers(0, 1);
/* fake last flags */
thisflag = 0;
for (;;) {
if (epresf == KCLEAR)
eerase();
if (epresf == TRUE)
epresf = KCLEAR;
if (winch_flag) {
do_redraw(0, 0, TRUE);
winch_flag = 0;
}
update();
lastflag = thisflag;
thisflag = 0;
switch (doin()) {
case TRUE:
break;
case ABORT:
ewprintf("Quit");
/* FALLTHRU */
case FALSE:
default:
ttbeep();
macrodef = FALSE;
}
}
}
int
main(int argc, char **argv)
{
char *cp, *init_fcn_name = NULL;
PF init_fcn = NULL;
int o, i, nfiles;
struct buffer *bp = NULL;
while ((o = getopt(argc, argv, "f:")) != -1)
switch (o) {
case 'f':
if (init_fcn_name != NULL)
errx(1, "cannot specify more than one "
"initial function");
init_fcn_name = optarg;
break;
default:
usage();
}
argc -= optind;
argv += optind;
setlocale(LC_CTYPE, "");
maps_init(); /* Keymaps and modes. */
funmap_init(); /* Functions. */
if (init_fcn_name &&
(init_fcn = name_function(init_fcn_name)) == NULL)
errx(1, "Unknown function `%s'", init_fcn_name);
vtinit(); /* Virtual terminal. */
dirinit(); /* Get current directory. */
edinit(bp); /* Buffers, windows. */
bellinit(); /* Audible and visible bell. */
/*
* doing update() before reading files causes the error messages from
* the file I/O show up on the screen. (and also an extra display of
* the mode line if there are files specified on the command line.)
*/
update(CMODE);
/* Force FFOTHARG=1 so that this mode is enabled, not simply toggled */
if (init_fcn)
init_fcn(FFOTHARG, 1);
for (nfiles = 0, i = 0; i < argc; i++) {
if (argv[i][0] == '+' && strlen(argv[i]) >= 2) {
long lval;
char *end;
lval = strtol(&argv[i][1], &end, 0);
if (argv[i][1] == '\0' || *end != '\0')
goto notnum;
startrow = lval;
} else {
notnum:
cp = adjustname(argv[i], FALSE);
if (cp != NULL) {
if (nfiles == 1)
splitwind(0, 1);
if ((curbp = findbuffer(cp)) == NULL) {
vttidy();
errx(1, "Can't find current buffer!");
}
(void)showbuffer(curbp, curwp, 0);
if (readin(cp) != TRUE)
killbuffer(curbp);
else {
/* Ensure enabled, not just toggled */
if (init_fcn_name)
init_fcn(FFOTHARG, 1);
nfiles++;
}
}
}
}
if (nfiles > 2)
listbuffers(0, 1);
/* fake last flags */
thisflag = 0;
for (;;) {
if (epresf == KCLEAR)
eerase();
if (epresf == TRUE)
epresf = KCLEAR;
if (winch_flag) {
do_redraw(0, 0, TRUE);
winch_flag = 0;
}
update(CMODE);
lastflag = thisflag;
thisflag = 0;
switch (doin()) {
case TRUE:
break;
case ABORT:
ewprintf("Quit");
/* FALLTHRU */
case FALSE:
default:
macrodef = FALSE;
}
}
}
/*
* Pipe a one line command into a window
* Bound to ^X @
*/
pipecmd(f, n)
{
register int s; /* return status from CLI */
register WINDOW *wp; /* pointer to new window */
register BUFFER *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NFILEN] = "command";
/* don't allow this command if restricted */
if (restflag)
return(resterr());
/* get the command to pipe in */
if ((s=mlreply("@", line, NLINE)) != TRUE)
return(s);
/* get rid of the command output buffer if it exists */
if ((bp=bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
onlywind(FALSE, 1);
break;
}
wp = wp->w_wndp;
}
if (zotbuf(bp) != TRUE)
return(FALSE);
}
TTputc('\n'); /* Already have '\r' */
TTflush();
TTclose(); /* stty to old modes */
strcat(line,">");
strcat(line,filnam);
system(line);
TTopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
if (s != TRUE)
return(s);
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return(FALSE);
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return(FALSE);
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
wp = wheadp;
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
/* and get rid of the temporary file */
unlink(filnam);
return(TRUE);
}
/*
* Pipe a one line command into a window
* Bound to ^X @
*/
int pipecmd(int f, int n)
{
int s; /* return status from CLI */
struct window *wp; /* pointer to new window */
struct buffer *bp; /* pointer to buffer to zot */
char line[NLINE]; /* command line send to shell */
static char bname[] = "command";
static char filnam[NSTRING] = "command";
#if MSDOS
char *tmp;
FILE *fp;
int len;
#endif
/* don't allow this command if restricted */
if (restflag)
return resterr();
#if MSDOS
if ((tmp = getenv("TMP")) == NULL
&& (tmp = getenv("TEMP")) == NULL)
xstrcpy(filnam, "command");
else {
xstrcpy(filnam, tmp);
len = strlen(tmp);
if (len <= 0 || filnam[len - 1] != '\\'
&& filnam[len - 1] != '/')
strcat(filnam, "\\");
strcat(filnam, "command");
}
#endif
#if VMS
mlwrite("Not available under VMS");
return FALSE;
#endif
/* get the command to pipe in */
if ((s = mlreply("@", line, NLINE)) != TRUE)
return s;
/* get rid of the command output buffer if it exists */
if ((bp = bfind(bname, FALSE, 0)) != FALSE) {
/* try to make sure we are off screen */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
#if PKCODE
if (wp == curwp)
delwind(FALSE, 1);
else
onlywind(FALSE, 1);
break;
#else
onlywind(FALSE, 1);
break;
#endif
}
wp = wp->w_wndp;
}
if (zotbuf(bp) != TRUE)
return FALSE;
}
#if MSDOS
strcat(line, " >>");
strcat(line, filnam);
movecursor(term.t_nrow, 0);
TTkclose();
shellprog(line);
TTkopen();
sgarbf = TRUE;
if ((fp = fopen(filnam, "r")) == NULL) {
s = FALSE;
} else {
fclose(fp);
s = TRUE;
}
#endif
#if V7 | USG | BSD
TTflush();
TTclose(); /* stty to old modes */
TTkclose();
strcat(line, ">");
strcat(line, filnam);
system(line);
TTopen();
TTkopen();
TTflush();
sgarbf = TRUE;
s = TRUE;
#endif
if (s != TRUE)
return s;
/* split the current window to make room for the command output */
if (splitwind(FALSE, 1) == FALSE)
return FALSE;
/* and read the stuff in */
if (getfile(filnam, FALSE) == FALSE)
return FALSE;
/* make this window in VIEW mode, update all mode lines */
curwp->w_bufp->b_mode |= MDVIEW;
wp = wheadp;
while (wp != NULL) {
wp->w_flag |= WFMODE;
wp = wp->w_wndp;
}
/* and get rid of the temporary file */
unlink(filnam);
return TRUE;
}