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pico/main.c
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hellisabove f3ea0095df Added source code
2023-03-18 20:26:52 +02:00

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#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: main.c 13547 2004-03-26 22:36:45Z hubert $";
#endif
/*
* Program: Main stand-alone Pine Composer routines
*
*
* Michael Seibel
* Networks and Distributed Computing
* Computing and Communications
* University of Washington
* Administration Builiding, AG-44
* Seattle, Washington, 98195, USA
* Internet: mikes@cac.washington.edu
*
* Please address all bugs and comments to "pine-bugs@cac.washington.edu"
*
*
* Pine and Pico are registered trademarks of the University of Washington.
* No commercial use of these trademarks may be made without prior written
* permission of the University of Washington.
*
* Pine, Pico, and Pilot software and its included text are Copyright
* 1989-2004 by the University of Washington.
*
* The full text of our legal notices is contained in the file called
* CPYRIGHT, included with this distribution.
*
*
* WEEMACS/PICO NOTES:
*
* 08 Jan 92 - removed PINE defines to simplify compiling
*
* 08 Apr 92 - removed PINE stub calls
*
*/
#include "headers.h"
/*
* Useful internal prototypes
*/
#ifdef _WINDOWS
int pico_file_drop PROTO((int, int, char *));
#endif
/*
* this isn't defined in the library, because it's a pine global
* which we use for GetKey's timeout
*/
int timeoutset = 0;
int my_timer_period = (300 * 1000);
/*
* function key mappings
*/
static int fkm[12][2] = {
{ F1, (CTRL|'G')},
{ F2, (CTRL|'X')},
{ F3, (CTRL|'O')},
{ F4, (CTRL|'J')},
{ F5, (CTRL|'R')},
{ F6, (CTRL|'W')},
{ F7, (CTRL|'Y')},
{ F8, (CTRL|'V')},
{ F9, (CTRL|'K')},
{ F10, (CTRL|'U')},
{ F11, (CTRL|'C')},
#ifdef SPELLER
{ F12, (CTRL|'T')}
#else
{ F12, (CTRL|'D')}
#endif
};
char *pico_args PROTO((int, char **, int *, int *, int *, int *));
void pico_args_help PROTO((void));
void pico_vers_help PROTO((void));
void pico_display_args_err PROTO((char *, char **, int));
char args_pico_missing_flag[] = "unknown flag \"%c\"";
char args_pico_missing_arg[] = "missing or empty argument to \"%c\" flag";
char args_pico_missing_num[] = "non numeric argument for \"%c\" flag";
char args_pico_missing_color[] = "missing color for \"%s\" flag";
char *args_pico_args[] = {
"Possible Starting Arguments for Pico editor:",
"",
"\tArgument\t\tMeaning",
"\t -e \t\tComplete - allow file name completion",
"\t -k \t\tCut - let ^K cut from cursor position to end of line",
"\t -a \t\tShowDot - show dot files in file browser",
"\t -j \t\tGoto - allow 'Goto' command in file browser",
"\t -g \t\tShow - show cursor in file browser",
"\t -m \t\tMouse - turn on mouse support",
"\t -x \t\tNoKeyhelp - suppress keyhelp",
"\t -p \t\tPreserveStartStop - preserve \"start\"(^Q) and \"stop\"(^S) characters",
"\t -q \t\tTermdefWins - termcap or terminfo takes precedence over defaults",
"\t -Q <quotestr> \tSet quote string (eg. \"> \") esp. for composing email",
"\t -d \t\tRebind - let delete key delete current character",
"\t -f \t\tKeys - force use of function keys",
"\t -b \t\tReplace - allow search and replace",
"\t -h \t\tHelp - give this list of options",
"\t -r[#cols] \tFill - set fill column to #cols columns, default=72",
"\t -n[#s] \tMail - notify about new mail every #s seconds, default=180",
"\t -s <speller> \tSpeller - specify alternative speller",
"\t -t \t\tShutdown - enable special shutdown mode",
"\t -o <dir>\tOperation - specify the operating directory",
"\t -z \t\tSuspend - allow use of ^Z suspension",
"\t -w \t\tNoWrap - turn off word wrap",
#if defined(DOS) || defined(OS2)
"\t -cnf color \tforeground color",
"\t -cnb color \tbackground color",
"\t -crf color \treverse foreground color",
"\t -crb color \treverse background color",
#endif
"\t +[line#] \tLine - start on line# line, default=1",
"\t -v \t\tView - view file",
"\t -setlocale_ctype\tdo setlocale(LC_CTYPE) if available",
"\t -no_setlocale_collate\tdo not do setlocale(LC_COLLATE)",
"\t -version\tPico version number",
"",
"\t All arguments may be followed by a file name to display.",
"",
NULL
};
/*
* main standalone pico routine
*/
#ifdef _WINDOWS
app_main (argc, argv)
#else
main(argc, argv)
#endif
char *argv[];
{
register int c;
register int f;
register int n;
register BUFFER *bp;
int viewflag = FALSE; /* are we starting in view mode?*/
int starton = 0; /* where's dot to begin with? */
int setlocale_collate = 1;
int setlocale_ctype = 0;
char bname[NBUFN]; /* buffer name of file to read */
char *file_to_edit = NULL;
timeo = 600;
Pmaster = NULL; /* turn OFF composer functionality */
km_popped = 0;
opertree[0] = opertree[NLINE] = '\0';
browse_dir[0] = browse_dir[NLINE] = '\0';
/*
* Read command line flags before initializing, otherwise, we never
* know to init for f_keys...
*/
file_to_edit = pico_args(argc, argv, &starton, &viewflag,
&setlocale_collate, &setlocale_ctype);
set_collation(setlocale_collate, setlocale_ctype);
#if defined(DOS) || defined(OS2)
if(file_to_edit){ /* strip quotes? */
int l;
if(strchr("'\"", file_to_edit[0])
&& (l = strlen(file_to_edit)) > 1
&& file_to_edit[l-1] == file_to_edit[0]){
file_to_edit[l-1] = '\0'; /* blat trailing quote */
file_to_edit++; /* advance past leading quote */
}
}
#endif
if(!vtinit()) /* Displays. */
exit(1);
strcpy(bname, "main"); /* default buffer name */
edinit(bname); /* Buffers, windows. */
update(); /* let the user know we are here */
#ifdef _WINDOWS
mswin_setwindow(NULL, NULL, NULL, NULL, NULL, NULL);
mswin_showwindow();
mswin_showcaret(1); /* turn on for main window */
mswin_allowpaste(MSWIN_PASTE_FULL);
mswin_setclosetext("Use the ^X command to exit Pico.");
mswin_setscrollcallback (pico_scroll_callback);
#endif
#if defined(USE_TERMCAP) || defined(USE_TERMINFO) || defined(VMS)
if(kbesc == NULL){ /* will arrow keys work ? */
(*term.t_putchar)('\007');
emlwrite("Warning: keypad keys may non-functional", NULL);
}
#endif /* USE_TERMCAP/USE_TERMINFO/VMS */
if(file_to_edit){ /* Any file to edit? */
makename(bname, file_to_edit); /* set up a buffer for this file */
bp = curbp; /* read in first file */
makename(bname, file_to_edit);
strcpy(bp->b_bname, bname);
if(strlen(file_to_edit) >= NFILEN){
char buf[128];
sprintf(buf, "Filename \"%.10s...\" too long", file_to_edit);
emlwrite(buf, NULL);
file_to_edit = NULL;
}
else{
strcpy(bp->b_fname, file_to_edit);
if ((gmode&MDTREE) && !in_oper_tree(file_to_edit) ||
readin(file_to_edit, (viewflag==FALSE), TRUE) == ABORT) {
if ((gmode&MDTREE) && !in_oper_tree(file_to_edit))
emlwrite("Can't read file from outside of %s", opertree);
file_to_edit = NULL;
}
}
if(!file_to_edit){
strcpy(bp->b_bname, "main");
strcpy(bp->b_fname, "");
}
bp->b_dotp = bp->b_linep;
bp->b_doto = 0;
if (viewflag) /* set the view mode */
bp->b_mode |= MDVIEW;
}
/* setup to process commands */
lastflag = 0; /* Fake last flags. */
curbp->b_mode |= gmode; /* and set default modes*/
curwp->w_flag |= WFMODE; /* and force an update */
if(timeoutset)
emlwrite("Checking for new mail every %D seconds", (void *)timeo);
forwline(0, starton - 1); /* move dot to specified line */
while(1){
if(km_popped){
km_popped--;
if(km_popped == 0) /* cause bottom three lines to be repainted */
curwp->w_flag |= WFHARD;
}
if(km_popped){ /* temporarily change to cause menu to be painted */
term.t_mrow = 2;
curwp->w_ntrows -= 2;
curwp->w_flag |= WFMODE;
movecursor(term.t_nrow-2, 0); /* clear status line, too */
peeol();
}
update(); /* Fix up the screen */
if(km_popped){
term.t_mrow = 0;
curwp->w_ntrows += 2;
}
#ifdef MOUSE
#ifdef EX_MOUSE
/* New mouse function for real mouse text seletion. */
register_mfunc(mouse_in_pico, 2, 0, term.t_nrow - (term.t_mrow + 1),
term.t_ncol);
#else
mouse_in_content(KEY_MOUSE, -1, -1, 0, 0);
register_mfunc(mouse_in_content, 2, 0, term.t_nrow - (term.t_mrow + 1),
term.t_ncol);
#endif
#endif
#ifdef _WINDOWS
mswin_setdndcallback (pico_file_drop);
mswin_mousetrackcallback(pico_cursor);
#endif
c = GetKey();
#ifdef MOUSE
#ifdef EX_MOUSE
clear_mfunc(mouse_in_pico);
#else
clear_mfunc(mouse_in_content);
#endif
#endif
#ifdef _WINDOWS
mswin_cleardndcallback ();
mswin_mousetrackcallback(NULL);
#endif
if(timeoutset && (c == NODATA || time_to_check())){
if(pico_new_mail())
emlwrite("You may possibly have new mail.", NULL);
}
if(km_popped)
switch(c){
case NODATA:
case (CTRL|'L'):
km_popped++;
break;
default:
/* clear bottom three lines */
mlerase();
break;
}
if(c == NODATA)
continue;
if(mpresf){ /* erase message line? */
if(mpresf++ > MESSDELAY)
mlerase();
}
f = FALSE;
n = 1;
#ifdef MOUSE
clear_mfunc(mouse_in_content);
#endif
/* Do it. */
execute(normalize_cmd(c, fkm, 1), f, n);
}
}
/*
* Parse the command line args.
*
* Args ac
* av
* starton -- place to return starton value
* viewflag -- place to return viewflag value
*
* Result: command arguments parsed
* possible printing of help for command line
* various global flags set
* returns the name of any file to open, else NULL
*/
char *
pico_args(ac, av, starton, viewflag, setlocale_collate, setlocale_ctype)
int ac;
char **av;
int *starton;
int *viewflag;
int *setlocale_collate;
int *setlocale_ctype;
{
int c, usage = 0;
char *str;
char tmp_1k_buf[1000]; /* tmp buf to contain err msgs */
Loop:
/* while more arguments with leading - or + */
while(--ac > 0 && (**++av == '-' || **av == '+')){
if(**av == '+'){
if(*++*av)
str = *av;
else if(--ac)
str = *++av;
else{
sprintf(tmp_1k_buf, args_pico_missing_arg, '+');
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
goto Loop;
}
if(!isdigit((unsigned char)str[0])){
sprintf(tmp_1k_buf, args_pico_missing_num, '+');
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
}
if(starton)
*starton = atoi(str);
goto Loop;
}
/* while more chars in this argument */
else while(*++*av){
if(strcmp(*av, "version") == 0){
pico_vers_help();
}
else if(strcmp(*av, "setlocale_ctype") == 0){
*setlocale_ctype = 1;
goto Loop;
}
else if(strcmp(*av, "no_setlocale_collate") == 0){
*setlocale_collate = 0;
goto Loop;
}
#if defined(DOS) || defined(OS2)
else if(strcmp(*av, "cnf") == 0
|| strcmp(*av, "cnb") == 0
|| strcmp(*av, "crf") == 0
|| strcmp(*av, "crb") == 0){
char *cmd = *av; /* save it to use below */
if(--ac){
str = *++av;
if(cmd[1] == 'n'){
if(cmd[2] == 'f')
pico_nfcolor(str);
else if(cmd[2] == 'b')
pico_nbcolor(str);
}
else if(cmd[1] == 'r'){
if(cmd[2] == 'f')
pico_rfcolor(str);
else if(cmd[2] == 'b')
pico_rbcolor(str);
}
}
else{
sprintf(tmp_1k_buf, args_pico_missing_color, cmd);
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
}
goto Loop;
}
#endif
/*
* Single char options.
*/
switch(c = **av){
/*
* These don't take arguments.
*/
case 'a':
gmode ^= MDDOTSOK; /* show dot files */
break;
case 'b':
gmode ^= MDREPLACE; /* -b for replace string in where is command */
break;
case 'd': /* -d for rebind delete key */
bindtokey(0x7f, forwdel);
break;
case 'e': /* file name completion */
gmode ^= MDCMPLT;
break;
case 'f': /* -f for function key use */
gmode ^= MDFKEY;
break;
case 'g': /* show-cursor in file browser */
gmode ^= MDSHOCUR;
break;
case 'h':
usage++;
break;
case 'j': /* allow "Goto" in file browser */
gmode ^= MDGOTO;
break;
case 'k': /* kill from dot */
gmode ^= MDDTKILL;
break;
case 'm': /* turn on mouse support */
gmode ^= MDMOUSE;
break;
case 'p':
preserve_start_stop = 1;
break;
case 'q': /* -q for termcap takes precedence */
gmode ^= MDTCAPWINS;
break;
case 't': /* special shutdown mode */
gmode ^= MDTOOL;
rebindfunc(wquit, quickexit);
break;
case 'v': /* -v for View File */
case 'V':
*viewflag = !*viewflag;
break; /* break back to inner-while */
case 'w': /* -w turn off word wrap */
gmode ^= MDWRAP;
break;
case 'x': /* suppress keyhelp */
sup_keyhelp = !sup_keyhelp;
break;
case 'z': /* -z to suspend */
gmode ^= MDSSPD;
break;
/*
* These do take arguments.
*/
case 'r': /* set fill column */
case 'n': /* -n for new mail notification */
case 's' : /* speller */
case 'o' : /* operating tree */
case 'Q' : /* Quote string */
if(*++*av)
str = *av;
else if(--ac)
str = *++av;
else{
if(c == 'r')
str= "72";
else if(c == 'n')
str = "180";
else{
sprintf(tmp_1k_buf, args_pico_missing_arg, c);
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
goto Loop;
}
}
switch(c){
case 's':
alt_speller = str;
break;
case 'o':
strncpy(opertree, str, NLINE);
gmode ^= MDTREE;
break;
case 'Q':
strncpy(glo_quote_str_buf, str, NLINE);
glo_quote_str = glo_quote_str_buf;
break;
/* numeric args */
case 'r':
case 'n':
if(!isdigit((unsigned char)str[0])){
sprintf(tmp_1k_buf, args_pico_missing_num, c);
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
}
if(c == 'r'){
if((userfillcol = atoi(str)) < 1)
userfillcol = 72;
}
else{
timeoutset = 1;
timeo = 180;
if((timeo = atoi(str)) < 30)
timeo = 180;
}
break;
}
goto Loop;
default: /* huh? */
sprintf(tmp_1k_buf, args_pico_missing_flag, c);
pico_display_args_err(tmp_1k_buf, NULL, 1);
usage++;
break;
}
}
}
if(usage)
pico_args_help();
/* return the first filename for editing */
if(ac > 0)
return(*av);
else
return(NULL);
}
#ifdef _WINDOWS
/*
*
*/
int
pico_file_drop(x, y, filename)
int x, y;
char *filename;
{
/*
* if current buffer is unchanged
* *or* "new buffer" and no current text
*/
if(((curwp->w_bufp->b_flag & BFCHG) == 0)
|| (curwp->w_bufp->b_fname[0] == '\0'
&& curwp->w_bufp->b_linep == lforw(curwp->w_bufp->b_linep)
&& curwp->w_doto == 0)){
register BUFFER *bp = curwp->w_bufp;
char bname[NBUFN];
makename(bname, filename);
strcpy(bp->b_bname, bname);
strcpy(bp->b_fname, filename);
bp->b_flag &= ~BFCHG; /* turn off change bit */
if (readin(filename, 1, 1) == ABORT) {
strcpy(bp->b_bname, "");
strcpy(bp->b_fname, "");
}
bp->b_dotp = bp->b_linep;
bp->b_doto = 0;
}
else{
ifile(filename);
curwp->w_flag |= WFHARD;
update();
emlwrite("Inserted dropped file \"%s\"", filename);
}
curwp->w_flag |= WFHARD;
update(); /* restore cursor */
return(1);
}
#endif
/*----------------------------------------------------------------------
print a few lines of help for command line arguments
Args: none
Result: prints help messages
----------------------------------------------------------------------*/
void
pico_args_help()
{
/** print out possible starting arguments... **/
pico_display_args_err(NULL, args_pico_args, 0);
exit(1);
}
void
pico_vers_help()
{
char v0[100];
char *v[2];
sprintf(v0, "Pico %.50s", version);
v[0] = v0;
v[1] = NULL;
pico_display_args_err(NULL, v, 0);
exit(1);
}
/*----------------------------------------------------------------------
write argument error to the display...
Args: none
Result: prints help messages
----------------------------------------------------------------------*/
void
pico_display_args_err(s, a, err)
char *s;
char **a;
int err;
{
char errstr[256], *errp;
FILE *fp = err ? stderr : stdout;
#ifdef _WINDOWS
char tmp_20k_buf[20480];
#endif
if(err && s)
sprintf(errp = errstr, "Argument Error: %.200s", s);
else
errp = s;
#ifdef _WINDOWS
if(errp)
mswin_messagebox(errp, err);
if(a && *a){
strcpy(tmp_20k_buf, *a++);
while(a && *a){
strcat(tmp_20k_buf, "\n");
strcat(tmp_20k_buf, *a++);
}
mswin_messagebox(tmp_20k_buf, err);
}
#else
if(errp)
fprintf(fp, "%s\n", errp);
while(a && *a)
fprintf(fp, "%s\n", *a++);
#endif
}
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