/
process.c
7287 lines (7022 loc) · 162 KB
/
process.c
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/* Copyright (c) 2010
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
*/
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#include <fcntl.h>
#if !defined(sun) && !defined(B43) && !defined(ISC) && !defined(pyr) && !defined(_CX_UX)
# include <time.h>
#endif
#include <sys/time.h>
#ifndef sun
#include <sys/ioctl.h>
#endif
/* for solaris 2.1, Unixware (SVR4.2) and possibly others: */
#ifdef HAVE_STROPTS_H
# include <sys/stropts.h>
#endif
#include "screen.h"
#include "extern.h"
#include "logfile.h"
#include "layout.h"
#include "viewport.h"
#include "list_generic.h"
extern struct comm comms[];
extern char *rc_name;
extern char *RcFileName, *home;
extern char *BellString, *ActivityString, *ShellProg, *ShellArgs[];
extern char *hstatusstring, *captionstring, *timestring;
extern char *wliststr, *wlisttit;
extern int captionalways;
extern int queryflag;
extern char *hardcopydir, *screenlogfile, *logtstamp_string;
extern int log_flush, logtstamp_on, logtstamp_after;
extern char *VisualBellString;
extern int VBellWait, MsgWait, MsgMinWait, SilenceWait;
extern char SockPath[], *SockName;
extern int TtyMode, auto_detach, use_altscreen;
extern int iflag, maxwin;
extern int focusminwidth, focusminheight;
extern int use_hardstatus, visual_bell;
#ifdef COLOR
extern int attr2color[][4];
extern int nattr2color;
#endif
extern int hardstatusemu;
extern char *printcmd;
extern int default_startup;
extern int defobuflimit;
extern int defnonblock;
extern int defmousetrack;
extern int ZombieKey_destroy;
extern int ZombieKey_resurrect;
extern int ZombieKey_onerror;
#ifdef AUTO_NUKE
extern int defautonuke;
#endif
extern int separate_sids;
extern struct NewWindow nwin_default, nwin_undef;
#ifdef COPY_PASTE
extern int join_with_cr;
extern int compacthist;
extern int search_ic;
# ifdef FONT
extern int pastefont;
# endif
extern unsigned char mark_key_tab[];
extern char *BufferFile;
#endif
#ifdef POW_DETACH
extern char *BufferFile, *PowDetachString;
#endif
#ifdef MULTIUSER
extern struct acluser *EffectiveAclUser; /* acl.c */
#endif
extern struct term term[]; /* terminal capabilities */
#ifdef MAPKEYS
extern char *kmapdef[];
extern char *kmapadef[];
extern char *kmapmdef[];
#endif
extern struct mchar mchar_so, mchar_null;
extern int renditions[];
extern int VerboseCreate;
#ifdef UTF8
extern char *screenencodings;
#endif
#ifdef DW_CHARS
extern int cjkwidth;
#endif
static int CheckArgNum __P((int, char **));
static void ClearAction __P((struct action *));
static void SaveAction __P((struct action *, int, char **, int *));
static int NextWindow __P((void));
static int PreviousWindow __P((void));
static int MoreWindows __P((void));
static void LogToggle __P((int));
static void ShowInfo __P((void));
static void ShowDInfo __P((void));
static struct win *WindowByName __P((char *));
static int WindowByNumber __P((char *));
static int ParseOnOff __P((struct action *, int *));
static int ParseWinNum __P((struct action *, int *));
static int ParseBase __P((struct action *, char *, int *, int, char *));
static int ParseNum1000 __P((struct action *, int *));
static char **SaveArgs __P((char **));
static int IsNum __P((char *, int));
static void Colonfin __P((char *, int, char *));
static void InputSelect __P((void));
static void InputSetenv __P((char *));
static void InputAKA __P((void));
#ifdef MULTIUSER
static int InputSu __P((struct win *, struct acluser **, char *));
static void su_fin __P((char *, int, char *));
#endif
static void AKAfin __P((char *, int, char *));
#ifdef COPY_PASTE
static void copy_reg_fn __P((char *, int, char *));
static void ins_reg_fn __P((char *, int, char *));
#endif
static void process_fn __P((char *, int, char *));
#ifdef PASSWORD
static void pass1 __P((char *, int, char *));
static void pass2 __P((char *, int, char *));
#endif
#ifdef POW_DETACH
static void pow_detach_fn __P((char *, int, char *));
#endif
static void digraph_fn __P((char *, int, char *));
static int digraph_find __P((const char *buf));
static void confirm_fn __P((char *, int, char *));
static int IsOnDisplay __P((struct win *));
static void ResizeRegions __P((char *, int));
static void ResizeFin __P((char *, int, char *));
static struct action *FindKtab __P((char *, int));
static void SelectFin __P((char *, int, char *));
static void SelectLayoutFin __P((char *, int, char *));
extern struct layer *flayer;
extern struct display *display, *displays;
extern struct win *fore, *console_window, *windows;
extern struct acluser *users;
extern struct layout *layouts, *layout_attach, layout_last_marker;
extern struct layout *laytab[];
extern char screenterm[], HostName[], version[];
extern struct NewWindow nwin_undef, nwin_default;
extern struct LayFuncs WinLf, MarkLf;
extern int Z0width, Z1width;
extern int real_uid, real_gid;
#ifdef NETHACK
extern int nethackflag;
#endif
extern struct win **wtab;
#ifdef MULTIUSER
extern char *multi;
extern int maxusercount;
#endif
char NullStr[] = "";
struct plop plop_tab[MAX_PLOP_DEFS];
#ifndef PTYMODE
# define PTYMODE 0622
#endif
int TtyMode = PTYMODE;
int hardcopy_append = 0;
int all_norefresh = 0;
#ifdef ZMODEM
int zmodem_mode = 0;
char *zmodem_sendcmd;
char *zmodem_recvcmd;
static char *zmodes[4] = {"off", "auto", "catch", "pass"};
#endif
int idletimo;
struct action idleaction;
#ifdef BLANKER_PRG
char **blankerprg;
#endif
struct action ktab[256 + KMAP_KEYS]; /* command key translation table */
struct kclass {
struct kclass *next;
char *name;
struct action ktab[256 + KMAP_KEYS];
};
struct kclass *kclasses;
#ifdef MAPKEYS
struct action umtab[KMAP_KEYS+KMAP_AKEYS];
struct action dmtab[KMAP_KEYS+KMAP_AKEYS];
struct action mmtab[KMAP_KEYS+KMAP_AKEYS];
struct kmap_ext *kmap_exts;
int kmap_extn;
static int maptimeout = 300;
#endif
#ifndef MAX_DIGRAPH
#define MAX_DIGRAPH 512
#endif
struct digraph
{
unsigned char d[2];
int value;
};
/* digraph table taken from old vim and rfc1345 */
static struct digraph digraphs[MAX_DIGRAPH + 1] = {
{{' ', ' '}, 160}, /* */
{{'N', 'S'}, 160}, /* */
{{'~', '!'}, 161}, /* ¡ */
{{'!', '!'}, 161}, /* ¡ */
{{'!', 'I'}, 161}, /* ¡ */
{{'c', '|'}, 162}, /* ¢ */
{{'c', 't'}, 162}, /* ¢ */
{{'$', '$'}, 163}, /* £ */
{{'P', 'd'}, 163}, /* £ */
{{'o', 'x'}, 164}, /* ¤ */
{{'C', 'u'}, 164}, /* ¤ */
{{'C', 'u'}, 164}, /* ¤ */
{{'E', 'u'}, 164}, /* ¤ */
{{'Y', '-'}, 165}, /* ¥ */
{{'Y', 'e'}, 165}, /* ¥ */
{{'|', '|'}, 166}, /* ¦ */
{{'B', 'B'}, 166}, /* ¦ */
{{'p', 'a'}, 167}, /* § */
{{'S', 'E'}, 167}, /* § */
{{'"', '"'}, 168}, /* ¨ */
{{'\'', ':'}, 168}, /* ¨ */
{{'c', 'O'}, 169}, /* © */
{{'C', 'o'}, 169}, /* © */
{{'a', '-'}, 170}, /* ª */
{{'<', '<'}, 171}, /* « */
{{'-', ','}, 172}, /* ¬ */
{{'N', 'O'}, 172}, /* ¬ */
{{'-', '-'}, 173}, /* */
{{'r', 'O'}, 174}, /* ® */
{{'R', 'g'}, 174}, /* ® */
{{'-', '='}, 175}, /* ¯ */
{{'\'', 'm'}, 175}, /* ¯ */
{{'~', 'o'}, 176}, /* ° */
{{'D', 'G'}, 176}, /* ° */
{{'+', '-'}, 177}, /* ± */
{{'2', '2'}, 178}, /* ² */
{{'2', 'S'}, 178}, /* ² */
{{'3', '3'}, 179}, /* ³ */
{{'3', 'S'}, 179}, /* ³ */
{{'\'', '\''}, 180}, /* ´ */
{{'j', 'u'}, 181}, /* µ */
{{'M', 'y'}, 181}, /* µ */
{{'p', 'p'}, 182}, /* ¶ */
{{'P', 'I'}, 182}, /* ¶ */
{{'~', '.'}, 183}, /* · */
{{'.', 'M'}, 183}, /* · */
{{',', ','}, 184}, /* ¸ */
{{'\'', ','}, 184}, /* ¸ */
{{'1', '1'}, 185}, /* ¹ */
{{'1', 'S'}, 185}, /* ¹ */
{{'o', '-'}, 186}, /* º */
{{'>', '>'}, 187}, /* » */
{{'1', '4'}, 188}, /* ¼ */
{{'1', '2'}, 189}, /* ½ */
{{'3', '4'}, 190}, /* ¾ */
{{'~', '?'}, 191}, /* ¿ */
{{'?', '?'}, 191}, /* ¿ */
{{'?', 'I'}, 191}, /* ¿ */
{{'A', '`'}, 192}, /* À */
{{'A', '!'}, 192}, /* À */
{{'A', '\''}, 193}, /* Á */
{{'A', '^'}, 194}, /* Â */
{{'A', '>'}, 194}, /* Â */
{{'A', '~'}, 195}, /* Ã */
{{'A', '?'}, 195}, /* Ã */
{{'A', '"'}, 196}, /* Ä */
{{'A', ':'}, 196}, /* Ä */
{{'A', '@'}, 197}, /* Å */
{{'A', 'A'}, 197}, /* Å */
{{'A', 'E'}, 198}, /* Æ */
{{'C', ','}, 199}, /* Ç */
{{'E', '`'}, 200}, /* È */
{{'E', '!'}, 200}, /* È */
{{'E', '\''}, 201}, /* É */
{{'E', '^'}, 202}, /* Ê */
{{'E', '>'}, 202}, /* Ê */
{{'E', '"'}, 203}, /* Ë */
{{'E', ':'}, 203}, /* Ë */
{{'I', '`'}, 204}, /* Ì */
{{'I', '!'}, 204}, /* Ì */
{{'I', '\''}, 205}, /* Í */
{{'I', '^'}, 206}, /* Î */
{{'I', '>'}, 206}, /* Î */
{{'I', '"'}, 207}, /* Ï */
{{'I', ':'}, 207}, /* Ï */
{{'D', '-'}, 208}, /* Ð */
{{'N', '~'}, 209}, /* Ñ */
{{'N', '?'}, 209}, /* Ñ */
{{'O', '`'}, 210}, /* Ò */
{{'O', '!'}, 210}, /* Ò */
{{'O', '\''}, 211}, /* Ó */
{{'O', '^'}, 212}, /* Ô */
{{'O', '>'}, 212}, /* Ô */
{{'O', '~'}, 213}, /* Õ */
{{'O', '?'}, 213}, /* Õ */
{{'O', '"'}, 214}, /* Ö */
{{'O', ':'}, 214}, /* Ö */
{{'/', '\\'}, 215}, /* × */
{{'*', 'x'}, 215}, /* × */
{{'O', '/'}, 216}, /* Ø */
{{'U', '`'}, 217}, /* Ù */
{{'U', '!'}, 217}, /* Ù */
{{'U', '\''}, 218}, /* Ú */
{{'U', '^'}, 219}, /* Û */
{{'U', '>'}, 219}, /* Û */
{{'U', '"'}, 220}, /* Ü */
{{'U', ':'}, 220}, /* Ü */
{{'Y', '\''}, 221}, /* Ý */
{{'I', 'p'}, 222}, /* Þ */
{{'T', 'H'}, 222}, /* Þ */
{{'s', 's'}, 223}, /* ß */
{{'s', '"'}, 223}, /* ß */
{{'a', '`'}, 224}, /* à */
{{'a', '!'}, 224}, /* à */
{{'a', '\''}, 225}, /* á */
{{'a', '^'}, 226}, /* â */
{{'a', '>'}, 226}, /* â */
{{'a', '~'}, 227}, /* ã */
{{'a', '?'}, 227}, /* ã */
{{'a', '"'}, 228}, /* ä */
{{'a', ':'}, 228}, /* ä */
{{'a', 'a'}, 229}, /* å */
{{'a', 'e'}, 230}, /* æ */
{{'c', ','}, 231}, /* ç */
{{'e', '`'}, 232}, /* è */
{{'e', '!'}, 232}, /* è */
{{'e', '\''}, 233}, /* é */
{{'e', '^'}, 234}, /* ê */
{{'e', '>'}, 234}, /* ê */
{{'e', '"'}, 235}, /* ë */
{{'e', ':'}, 235}, /* ë */
{{'i', '`'}, 236}, /* ì */
{{'i', '!'}, 236}, /* ì */
{{'i', '\''}, 237}, /* í */
{{'i', '^'}, 238}, /* î */
{{'i', '>'}, 238}, /* î */
{{'i', '"'}, 239}, /* ï */
{{'i', ':'}, 239}, /* ï */
{{'d', '-'}, 240}, /* ð */
{{'n', '~'}, 241}, /* ñ */
{{'n', '?'}, 241}, /* ñ */
{{'o', '`'}, 242}, /* ò */
{{'o', '!'}, 242}, /* ò */
{{'o', '\''}, 243}, /* ó */
{{'o', '^'}, 244}, /* ô */
{{'o', '>'}, 244}, /* ô */
{{'o', '~'}, 245}, /* õ */
{{'o', '?'}, 245}, /* õ */
{{'o', '"'}, 246}, /* ö */
{{'o', ':'}, 246}, /* ö */
{{':', '-'}, 247}, /* ÷ */
{{'o', '/'}, 248}, /* ø */
{{'u', '`'}, 249}, /* ù */
{{'u', '!'}, 249}, /* ù */
{{'u', '\''}, 250}, /* ú */
{{'u', '^'}, 251}, /* û */
{{'u', '>'}, 251}, /* û */
{{'u', '"'}, 252}, /* ü */
{{'u', ':'}, 252}, /* ü */
{{'y', '\''}, 253}, /* ý */
{{'i', 'p'}, 254}, /* þ */
{{'t', 'h'}, 254}, /* þ */
{{'y', '"'}, 255}, /* ÿ */
{{'y', ':'}, 255}, /* ÿ */
{{'"', '['}, 196}, /* Ä */
{{'"', '\\'}, 214}, /* Ö */
{{'"', ']'}, 220}, /* Ü */
{{'"', '{'}, 228}, /* ä */
{{'"', '|'}, 246}, /* ö */
{{'"', '}'}, 252}, /* ü */
{{'"', '~'}, 223} /* ß */
};
#define RESIZE_FLAG_H 1
#define RESIZE_FLAG_V 2
#define RESIZE_FLAG_L 4
static char *resizeprompts[] = {
"resize # lines: ",
"resize -h # lines: ",
"resize -v # lines: ",
"resize -b # lines: ",
"resize -l # lines: ",
"resize -l -h # lines: ",
"resize -l -v # lines: ",
"resize -l -b # lines: ",
};
static int
parse_input_int(buf, len, val)
const char *buf;
int len;
int *val;
{
int x = 0, i;
if (len >= 1 && ((*buf == 'U' && buf[1] == '+') || (*buf == '0' && (buf[1] == 'x' || buf[1] == 'X'))))
{
x = 0;
for (i = 2; i < len; i++)
{
if (buf[i] >= '0' && buf[i] <= '9')
x = x * 16 | (buf[i] - '0');
else if (buf[i] >= 'a' && buf[i] <= 'f')
x = x * 16 | (buf[i] - ('a' - 10));
else if (buf[i] >= 'A' && buf[i] <= 'F')
x = x * 16 | (buf[i] - ('A' - 10));
else
return 0;
}
}
else if (buf[0] == '0')
{
x = 0;
for (i = 1; i < len; i++)
{
if (buf[i] < '0' || buf[i] > '7')
return 0;
x = x * 8 | (buf[i] - '0');
}
}
else
return 0;
*val = x;
return 1;
}
char *noargs[1];
int enter_window_name_mode = 0;
void
InitKeytab()
{
register unsigned int i;
#ifdef MAPKEYS
char *argarr[2];
#endif
for (i = 0; i < sizeof(ktab)/sizeof(*ktab); i++)
{
ktab[i].nr = RC_ILLEGAL;
ktab[i].args = noargs;
ktab[i].argl = 0;
}
#ifdef MAPKEYS
for (i = 0; i < KMAP_KEYS+KMAP_AKEYS; i++)
{
umtab[i].nr = RC_ILLEGAL;
umtab[i].args = noargs;
umtab[i].argl = 0;
dmtab[i].nr = RC_ILLEGAL;
dmtab[i].args = noargs;
dmtab[i].argl = 0;
mmtab[i].nr = RC_ILLEGAL;
mmtab[i].args = noargs;
mmtab[i].argl = 0;
}
argarr[1] = 0;
for (i = 0; i < NKMAPDEF; i++)
{
if (i + KMAPDEFSTART < T_CAPS)
continue;
if (i + KMAPDEFSTART >= T_CAPS + KMAP_KEYS)
continue;
if (kmapdef[i] == 0)
continue;
argarr[0] = kmapdef[i];
SaveAction(dmtab + i + (KMAPDEFSTART - T_CAPS), RC_STUFF, argarr, 0);
}
for (i = 0; i < NKMAPADEF; i++)
{
if (i + KMAPADEFSTART < T_CURSOR)
continue;
if (i + KMAPADEFSTART >= T_CURSOR + KMAP_AKEYS)
continue;
if (kmapadef[i] == 0)
continue;
argarr[0] = kmapadef[i];
SaveAction(dmtab + i + (KMAPADEFSTART - T_CURSOR + KMAP_KEYS), RC_STUFF, argarr, 0);
}
for (i = 0; i < NKMAPMDEF; i++)
{
if (i + KMAPMDEFSTART < T_CAPS)
continue;
if (i + KMAPMDEFSTART >= T_CAPS + KMAP_KEYS)
continue;
if (kmapmdef[i] == 0)
continue;
argarr[0] = kmapmdef[i];
argarr[1] = 0;
SaveAction(mmtab + i + (KMAPMDEFSTART - T_CAPS), RC_STUFF, argarr, 0);
}
#endif
ktab['h'].nr = RC_HARDCOPY;
#ifdef BSDJOBS
ktab['z'].nr = ktab[Ctrl('z')].nr = RC_SUSPEND;
#endif
ktab['c'].nr = ktab[Ctrl('c')].nr = RC_SCREEN;
ktab[' '].nr = ktab[Ctrl(' ')].nr =
ktab['n'].nr = ktab[Ctrl('n')].nr = RC_NEXT;
ktab['N'].nr = RC_NUMBER;
ktab[Ctrl('h')].nr = ktab[0177].nr = ktab['p'].nr = ktab[Ctrl('p')].nr = RC_PREV;
ktab['k'].nr = ktab[Ctrl('k')].nr = RC_KILL;
ktab['l'].nr = ktab[Ctrl('l')].nr = RC_REDISPLAY;
ktab['w'].nr = ktab[Ctrl('w')].nr = RC_WINDOWS;
ktab['v'].nr = RC_VERSION;
ktab[Ctrl('v')].nr = RC_DIGRAPH;
ktab['q'].nr = ktab[Ctrl('q')].nr = RC_XON;
ktab['s'].nr = ktab[Ctrl('s')].nr = RC_XOFF;
ktab['t'].nr = ktab[Ctrl('t')].nr = RC_TIME;
ktab['i'].nr = ktab[Ctrl('i')].nr = RC_INFO;
ktab['m'].nr = ktab[Ctrl('m')].nr = RC_LASTMSG;
ktab['A'].nr = RC_TITLE;
#if defined(UTMPOK) && defined(LOGOUTOK)
ktab['L'].nr = RC_LOGIN;
#endif
ktab[','].nr = RC_LICENSE;
ktab['W'].nr = RC_WIDTH;
ktab['.'].nr = RC_DUMPTERMCAP;
ktab[Ctrl('\\')].nr = RC_QUIT;
#ifdef DETACH
ktab['d'].nr = ktab[Ctrl('d')].nr = RC_DETACH;
# ifdef POW_DETACH
ktab['D'].nr = RC_POW_DETACH;
# endif
#endif
ktab['r'].nr = ktab[Ctrl('r')].nr = RC_WRAP;
ktab['f'].nr = ktab[Ctrl('f')].nr = RC_FLOW;
ktab['C'].nr = RC_CLEAR;
ktab['Z'].nr = RC_RESET;
ktab['H'].nr = RC_LOG;
ktab['M'].nr = RC_MONITOR;
ktab['?'].nr = RC_HELP;
#ifdef MULTI
ktab['*'].nr = RC_DISPLAYS;
#endif
{
char *args[2];
args[0] = "-";
args[1] = NULL;
SaveAction(ktab + '-', RC_SELECT, args, 0);
}
for (i = 0; i < ((maxwin && maxwin < 10) ? maxwin : 10); i++)
{
char *args[2], arg1[10];
args[0] = arg1;
args[1] = 0;
sprintf(arg1, "%d", i);
SaveAction(ktab + '0' + i, RC_SELECT, args, 0);
}
ktab['\''].nr = RC_SELECT; /* calling a window by name */
{
char *args[2];
args[0] = "-b";
args[1] = 0;
SaveAction(ktab + '"', RC_WINDOWLIST, args, 0);
}
ktab[Ctrl('G')].nr = RC_VBELL;
ktab[':'].nr = RC_COLON;
#ifdef COPY_PASTE
ktab['['].nr = ktab[Ctrl('[')].nr = RC_COPY;
{
char *args[2];
args[0] = ".";
args[1] = 0;
SaveAction(ktab + ']', RC_PASTE, args, 0);
SaveAction(ktab + Ctrl(']'), RC_PASTE, args, 0);
}
ktab['{'].nr = RC_HISTORY;
ktab['}'].nr = RC_HISTORY;
ktab['>'].nr = RC_WRITEBUF;
ktab['<'].nr = RC_READBUF;
ktab['='].nr = RC_REMOVEBUF;
#endif
#ifdef POW_DETACH
ktab['D'].nr = RC_POW_DETACH;
#endif
#ifdef LOCK
ktab['x'].nr = ktab[Ctrl('x')].nr = RC_LOCKSCREEN;
#endif
ktab['b'].nr = ktab[Ctrl('b')].nr = RC_BREAK;
ktab['B'].nr = RC_POW_BREAK;
ktab['_'].nr = RC_SILENCE;
ktab['S'].nr = RC_SPLIT;
ktab['Q'].nr = RC_ONLY;
ktab['X'].nr = RC_REMOVE;
ktab['F'].nr = RC_FIT;
ktab['\t'].nr = RC_FOCUS;
{
char *args[2];
args[0] = "prev";
args[1] = 0;
SaveAction(ktab + T_BACKTAB - T_CAPS + 256, RC_FOCUS, args, 0);
}
{
char *args[2];
args[0] = "-v";
args[1] = 0;
SaveAction(ktab + '|', RC_SPLIT, args, 0);
}
/* These come last; they may want overwrite others: */
if (DefaultEsc >= 0)
{
ClearAction(&ktab[DefaultEsc]);
ktab[DefaultEsc].nr = RC_OTHER;
}
if (DefaultMetaEsc >= 0)
{
ClearAction(&ktab[DefaultMetaEsc]);
ktab[DefaultMetaEsc].nr = RC_META;
}
idleaction.nr = RC_BLANKER;
idleaction.args = noargs;
idleaction.argl = 0;
}
static struct action *
FindKtab(class, create)
char *class;
int create;
{
struct kclass *kp, **kpp;
int i;
if (class == 0)
return ktab;
for (kpp = &kclasses; (kp = *kpp) != 0; kpp = &kp->next)
if (!strcmp(kp->name, class))
break;
if (kp == 0)
{
if (!create)
return 0;
if (strlen(class) > 80)
{
Msg(0, "Command class name too long.");
return 0;
}
kp = malloc(sizeof(*kp));
if (kp == 0)
{
Msg(0, "%s", strnomem);
return 0;
}
kp->name = SaveStr(class);
for (i = 0; i < (int)(sizeof(kp->ktab)/sizeof(*kp->ktab)); i++)
{
kp->ktab[i].nr = RC_ILLEGAL;
kp->ktab[i].args = noargs;
kp->ktab[i].argl = 0;
kp->ktab[i].quiet = 0;
}
kp->next = 0;
*kpp = kp;
}
return kp->ktab;
}
static void
ClearAction(act)
struct action *act;
{
char **p;
if (act->nr == RC_ILLEGAL)
return;
act->nr = RC_ILLEGAL;
if (act->args == noargs)
return;
for (p = act->args; *p; p++)
free(*p);
free((char *)act->args);
act->args = noargs;
act->argl = 0;
}
/*
* ProcessInput: process input from display and feed it into
* the layer on canvas D_forecv.
*/
#ifdef MAPKEYS
/*
* This ProcessInput just does the keybindings and passes
* everything else on to ProcessInput2.
*/
void
ProcessInput(ibuf, ilen)
char *ibuf;
int ilen;
{
int ch, slen;
unsigned char *s, *q;
int i, l;
char *p;
debug1("ProcessInput: %d bytes\n", ilen);
if (display == 0 || ilen == 0)
return;
if (D_seql)
evdeq(&D_mapev);
slen = ilen;
s = (unsigned char *)ibuf;
while (ilen-- > 0)
{
ch = *s++;
if (D_dontmap || !D_nseqs)
{
D_dontmap = 0;
continue;
}
for (;;)
{
debug3("cmp %c %c[%d]\n", ch, *D_seqp, D_seqp - D_kmaps);
if (*D_seqp != ch)
{
l = D_seqp[D_seqp[-D_seql-1] + 1];
if (l)
{
D_seqp += l * 2 + 4;
debug1("miss %d\n", D_seqp - D_kmaps);
continue;
}
debug("complete miss\n");
D_mapdefault = 0;
l = D_seql;
p = (char *)D_seqp - l;
D_seql = 0;
D_seqp = D_kmaps + 3;
if (l == 0)
break;
if ((q = D_seqh) != 0)
{
D_seqh = 0;
i = q[0] << 8 | q[1];
i &= ~KMAP_NOTIMEOUT;
debug1("Mapping former hit #%d - ", i);
debug2("%d(%s) - ", q[2], q + 3);
if (StuffKey(i))
ProcessInput2((char *)q + 3, q[2]);
if (display == 0)
return;
l -= q[2];
p += q[2];
}
else
D_dontmap = 1;
debug1("flush old %d\n", l);
ProcessInput(p, l);
if (display == 0)
return;
evdeq(&D_mapev);
continue;
}
if (D_seql++ == 0)
{
/* Finish old stuff */
slen -= ilen + 1;
debug1("finish old %d\n", slen);
if (slen)
ProcessInput2(ibuf, slen);
if (display == 0)
return;
D_seqh = 0;
}
ibuf = (char *)s;
slen = ilen;
D_seqp++;
l = D_seql;
debug2("length am %d, want %d\n", l, D_seqp[-l - 1]);
if (l == D_seqp[-l - 1])
{
if (D_seqp[l] != l)
{
q = D_seqp + 1 + l;
if (D_kmaps + D_nseqs > q && q[2] > l && !bcmp(D_seqp - l, q + 3, l))
{
debug1("have another mapping (%s), delay execution\n", q + 3);
D_seqh = D_seqp - 3 - l;
D_seqp = q + 3 + l;
break;
}
}
i = D_seqp[-l - 3] << 8 | D_seqp[-l - 2];
i &= ~KMAP_NOTIMEOUT;
debug1("Mapping #%d - ", i);
p = (char *)D_seqp - l;
debug2("%d(%s) - ", l, p);
D_seql = 0;
D_seqp = D_kmaps + 3;
D_seqh = 0;
if (StuffKey(i))
ProcessInput2(p, l);
if (display == 0)
return;
}
break;
}
}
if (D_seql)
{
debug("am in sequence -> check for timeout\n");
l = D_seql;
for (s = D_seqp; ; s += i * 2 + 4)
{
if (s[-l-3] & KMAP_NOTIMEOUT >> 8)
break;
if ((i = s[s[-l-1] + 1]) == 0)
{
SetTimeout(&D_mapev, maptimeout);
evenq(&D_mapev);
break;
}
}
}
ProcessInput2(ibuf, slen);
}
#else
# define ProcessInput2 ProcessInput
#endif
/*
* Here only the screen escape commands are handled.
*/
void
ProcessInput2(ibuf, ilen)
char *ibuf;
int ilen;
{
char *s;
int ch, slen;
struct action *ktabp;
debug1("ProcessInput2: %d bytes\n", ilen);
while (ilen && display)
{
debug1(" - ilen now %d bytes\n", ilen);
flayer = D_forecv->c_layer;
fore = D_fore;
slen = ilen;
s = ibuf;
if (!D_ESCseen)
{
while (ilen > 0)
{
if ((unsigned char)*s++ == D_user->u_Esc)
break;
ilen--;
}
slen -= ilen;
if (slen)
DoProcess(fore, &ibuf, &slen, 0);
if (--ilen == 0)
{
D_ESCseen = ktab;
WindowChanged(fore, 'E');
}
}
if (ilen <= 0)
return;
ktabp = D_ESCseen ? D_ESCseen : ktab;
if (D_ESCseen)
{
D_ESCseen = 0;
WindowChanged(fore, 'E');
}
ch = (unsigned char)*s;
/*
* As users have different esc characters, but a common ktab[],
* we fold back the users esc and meta-esc key to the Default keys
* that can be looked up in the ktab[]. grmbl. jw.
* XXX: make ktab[] a per user thing.
*/
if (ch == D_user->u_Esc)
ch = DefaultEsc;
else if (ch == D_user->u_MetaEsc)
ch = DefaultMetaEsc;
if (ch >= 0)
DoAction(&ktabp[ch], ch);
ibuf = (char *)(s + 1);
ilen--;
}
}
void
DoProcess(p, bufp, lenp, pa)
struct win *p;
char **bufp;
int *lenp;
struct paster *pa;
{
int oldlen;
struct display *d = display;
#ifdef COPY_PASTE
/* XXX -> PasteStart */
if (pa && *lenp > 1 && p && p->w_slowpaste)
{
/* schedule slowpaste event */
SetTimeout(&p->w_paster.pa_slowev, p->w_slowpaste);
evenq(&p->w_paster.pa_slowev);
return;
}
#endif
while (flayer && *lenp)
{
#ifdef COPY_PASTE
if (!pa && p && p->w_paster.pa_pastelen && flayer == p->w_paster.pa_pastelayer)
{
debug("layer is busy - beep!\n");
WBell(p, visual_bell);
*bufp += *lenp;
*lenp = 0;
display = d;
return;
}
#endif
oldlen = *lenp;
LayProcess(bufp, lenp);
#ifdef COPY_PASTE
if (pa && !pa->pa_pastelayer)
break; /* flush rest of paste */
#endif
if (*lenp == oldlen)
{
if (pa)
{
display = d;
return;
}
/* We're full, let's beep */
debug("layer is full - beep!\n");
WBell(p, visual_bell);
break;
}
}
*bufp += *lenp;
*lenp = 0;
display = d;