diff options
Diffstat (limited to 'help.c')
| -rw-r--r-- | help.c | 936 |
1 files changed, 936 insertions, 0 deletions
@@ -0,0 +1,936 @@ +/* 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 + * https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA + * + **************************************************************** + */ + +#include <sys/types.h> + +#include "config.h" +#include "screen.h" +#include "extern.h" +#include "list_generic.h" + +char version[60]; /* initialised by main() */ + +extern struct layer *flayer; +extern struct display *display, *displays; +extern struct win *windows; +extern int maxwin; +extern char *noargs[]; +extern struct mchar mchar_blank, mchar_so; +extern int renditions[]; +extern unsigned char *blank; +extern struct win **wtab; +#ifdef MAPKEYS +extern struct term term[]; +#endif + +extern struct LayFuncs ListLf; + +static void PadStr __P((char *, int, int, int)); + +extern char *wliststr; +extern char *wlisttit; + +void exit_with_usage(char *myname, char *message, char *arg) +{ + printf("Use: %s [-opts] [cmd [args]]\n", myname); + printf(" or: %s -r [host.tty]\n\nOptions:\n", myname); +#ifdef BUILTIN_TELNET + printf("-4 Resolve hostnames only to IPv4 addresses.\n"); + printf("-6 Resolve hostnames only to IPv6 addresses.\n"); +#endif + printf("-a Force all capabilities into each window's termcap.\n"); + printf("-A -[r|R] Adapt all windows to the new display width & height.\n"); + printf("-c file Read configuration file instead of '.screenrc'.\n"); +#ifdef REMOTE_DETACH + printf("-d (-r) Detach the elsewhere running screen (and reattach here).\n"); + printf("-dmS name Start as daemon: Screen session in detached mode.\n"); + printf("-D (-r) Detach and logout remote (and reattach here).\n"); + printf("-D -RR Do whatever is needed to get a screen session.\n"); +#endif + printf("-e xy Change command characters.\n"); + printf("-f Flow control on, -fn = off, -fa = auto.\n"); + printf("-h lines Set the size of the scrollback history buffer.\n"); + printf("-i Interrupt output sooner when flow control is on.\n"); +#if defined(LOGOUTOK) && defined(UTMPOK) + printf("-l Login mode on (update %s), -ln = off.\n", UTMPFILE); +#endif + printf("-ls [match] or\n"); + printf("-list Do nothing, just list our SockDir [on possible matches].\n"); + printf("-L Turn on output logging.\n"); + printf("-Logfile file Set logfile name.\n"); + printf("-m ignore $STY variable, do create a new screen session.\n"); + printf("-O Choose optimal output rather than exact vt100 emulation.\n"); + printf("-p window Preselect the named window if it exists.\n"); + printf("-q Quiet startup. Exits with non-zero return code if unsuccessful.\n"); + printf("-Q Commands will send the response to the stdout of the querying process.\n"); + printf("-r [session] Reattach to a detached screen process.\n"); + printf("-R Reattach if possible, otherwise start a new session.\n"); + printf("-s shell Shell to execute rather than $SHELL.\n"); + printf("-S sockname Name this session <pid>.sockname instead of <pid>.<tty>.<host>.\n"); + printf("-t title Set title. (window's name).\n"); + printf("-T term Use term as $TERM for windows, rather than \"screen\".\n"); +#ifdef UTF8 + printf("-U Tell screen to use UTF-8 encoding.\n"); +#endif + printf("-v Print \"Screen version %s\".\n", version); + printf("-wipe [match] Do nothing, just clean up SockDir [on possible matches].\n"); +#ifdef MULTI + printf("-x Attach to a not detached screen. (Multi display mode).\n"); +#endif /* MULTI */ + printf("-X Execute <cmd> as a screen command in the specified session.\n"); + + if (message && *message) { + printf("\nError: "); + printf(message, arg); + printf("\n"); + exit(1); + } + exit(0); +} + +/* Here come the help page routines */ + +extern struct comm comms[]; +extern struct action ktab[]; + +static void HelpProcess __P((char **, int *)); +static void HelpAbort __P((void)); +static void HelpRedisplayLine __P((int, int, int, int)); +static void add_key_to_buf __P((char *, int)); +static void AddAction __P((struct action *, int, int)); +static int helppage __P((void)); + +struct helpdata { + char *class; + struct action *ktabp; + int maxrow, grow, numcols, numrows, num_names; + int numskip, numpages; + int command_search, command_bindings; + int refgrow, refcommand_search; + int inter, mcom, mkey; + int nact[RC_LAST + 1]; +}; + +#define MAXKLEN 256 + +static struct LayFuncs HelpLf = +{ + HelpProcess, + HelpAbort, + HelpRedisplayLine, + DefClearLine, + DefRewrite, + DefResize, + DefRestore, + 0 +}; + + +void display_help(char *class, struct action *ktabp) { + int i, n, key, mcom, mkey, l, used[RC_LAST + 1]; + struct helpdata *helpdata; + + if (flayer->l_height < 6) { + LMsg(0, "Window height too small for help page"); + return; + } + if (InitOverlayPage(sizeof(*helpdata), &HelpLf, 0)) + return; + + helpdata = (struct helpdata *)flayer->l_data; + helpdata->class = class; + helpdata->ktabp = ktabp; + helpdata->num_names = helpdata->command_bindings = 0; + helpdata->command_search = 0; + for (n = 0; n <= RC_LAST; n++) + used[n] = 0; + mcom = 0; + mkey = 0; + for (key = 0; key < 256 + KMAP_KEYS; key++) { + n = ktabp[key].nr; + if (n == RC_ILLEGAL) + continue; + if (ktabp[key].args == noargs) { + used[n] += (key <= ' ' || key == 0x7f) ? 3 : (key > 0x7f) ? 5 : 2; + } + else + helpdata->command_bindings++; + } + for (n = i = 0; n <= RC_LAST; n++) + if (used[n]) { + l = strlen(comms[n].name); + if (l > mcom) + mcom = l; + if (used[n] > mkey) + mkey = used[n]; + helpdata->nact[i++] = n; + } + + debug1("help: %d commands bound to keys with no arguments\n", i); + debug2("mcom: %d mkey: %d\n", mcom, mkey); + helpdata->num_names = i; + + if (mkey > MAXKLEN) + mkey = MAXKLEN; + helpdata->numcols = flayer->l_width / (mcom + mkey + 1); + if (helpdata->numcols == 0) { + HelpAbort(); + LMsg(0, "Width too small"); + return; + } + + helpdata->inter = (flayer->l_width - (mcom + mkey) * helpdata->numcols) / (helpdata->numcols + 1); + if (helpdata->inter <= 0) + helpdata->inter = 1; + debug1("inter: %d\n", helpdata->inter); + helpdata->mcom = mcom; + helpdata->mkey = mkey; + helpdata->numrows = (helpdata->num_names + helpdata->numcols - 1) / helpdata->numcols; + debug1("Numrows: %d\n", helpdata->numrows); + helpdata->numskip = flayer->l_height-5 - (2 + helpdata->numrows); + + while (helpdata->numskip < 0) + helpdata->numskip += flayer->l_height-5; + helpdata->numskip %= flayer->l_height-5; + debug1("Numskip: %d\n", helpdata->numskip); + + if (helpdata->numskip > flayer->l_height/3 || helpdata->numskip > helpdata->command_bindings) + helpdata->numskip = 1; + helpdata->maxrow = 2 + helpdata->numrows + helpdata->numskip + helpdata->command_bindings; + helpdata->grow = 0; + + helpdata->numpages = (helpdata->maxrow + flayer->l_height-6) / (flayer->l_height-5); + flayer->l_x = 0; + flayer->l_y = flayer->l_height - 1; + helppage(); +} + +static void HelpProcess(char **ppbuf, int *plen) { + int done = 0; + + while (!done && *plen > 0) { + switch (**ppbuf) { + case ' ': + if (helppage() == 0) + break; + /* FALLTHROUGH */ + case '\r': + case '\n': + done = 1; + break; + default: + break; + } + ++*ppbuf; + --*plen; + } + if (done) + HelpAbort(); +} + +static void HelpAbort() { + LAY_CALL_UP(LRefreshAll(flayer, 0)); + ExitOverlayPage(); +} + +static int helppage() { + struct helpdata *helpdata; + int col, crow, n, key, x; + char buf[MAXKLEN], Esc_buf[5], cbuf[256]; + struct action *ktabp; + + helpdata = (struct helpdata *)flayer->l_data; + + ktabp = helpdata->ktabp; + if (helpdata->grow >= helpdata->maxrow) + return -1; + helpdata->refgrow = helpdata->grow; + helpdata->refcommand_search = helpdata->command_search; + + /* Clear the help screen */ + LClearAll(flayer, 0); + + sprintf(cbuf,"Screen key bindings, page %d of %d.", helpdata->grow / (flayer->l_height-5) + 1, helpdata->numpages); + centerline(cbuf, 0); + crow = 2; + + *Esc_buf = '\0'; + *buf = '\0'; + /* XXX fix escape character */ + if (flayer->l_cvlist && flayer->l_cvlist->c_display) { + add_key_to_buf(buf, flayer->l_cvlist->c_display->d_user->u_MetaEsc); + add_key_to_buf(Esc_buf, flayer->l_cvlist->c_display->d_user->u_Esc); + } + else { + strcpy(Esc_buf, "??"); + strcpy(buf, "??"); + } + + for (; crow < flayer->l_height - 3; crow++) { + if (helpdata->grow < 1) { + if (ktabp == ktab) + sprintf(cbuf,"Command key: %s Literal %s: %s", Esc_buf, Esc_buf, buf); + else + sprintf(cbuf,"Command class: '%.80s'", helpdata->class); + + centerline(cbuf, crow); + helpdata->grow++; + } + + else if (helpdata->grow >= 2 && helpdata->grow-2 < helpdata->numrows) { + x = 0; + for (col = 0; col < helpdata->numcols && (n = helpdata->numrows * col + (helpdata->grow-2)) < helpdata->num_names; col++) { + x += helpdata->inter - !col; + n = helpdata->nact[n]; + buf[0] = '\0'; + for (key = 0; key < 256 + KMAP_KEYS; key++) + if (ktabp[key].nr == n && ktabp[key].args == noargs && strlen(buf) < sizeof(buf) - 7) { + strcat(buf, " "); + add_key_to_buf(buf, key); + } + + PadStr(comms[n].name, helpdata->mcom, x, crow); + x += helpdata->mcom; + PadStr(buf, helpdata->mkey, x, crow); + x += helpdata->mkey; + } + helpdata->grow++; + } + + else if (helpdata->grow-2-helpdata->numrows >= helpdata->numskip + && helpdata->grow-2-helpdata->numrows-helpdata->numskip < helpdata->command_bindings) { + while ((n = ktabp[helpdata->command_search].nr) == RC_ILLEGAL || ktabp[helpdata->command_search].args == noargs) { + if (++helpdata->command_search >= 256 + KMAP_KEYS) + return -1; + } + + buf[0] = '\0'; + add_key_to_buf(buf, helpdata->command_search); + PadStr(buf, 5, 0, crow); + AddAction(&ktabp[helpdata->command_search++], 5, crow); + helpdata->grow++; + } + + else + helpdata->grow++; + } + sprintf(cbuf,"[Press Space %s Return to end.]", helpdata->grow < helpdata->maxrow ? "for next page;" : "or"); + centerline(cbuf, flayer->l_height - 2); + LaySetCursor(); + return 0; +} + +static void AddAction(struct action *act, int x, int y) { + char buf[256]; + int del, l, fr; + char *bp, *cp, **pp; + int *lp, ll; + struct mchar mchar_dol; + + mchar_dol = mchar_blank; + mchar_dol.image = '$'; + + fr = flayer->l_width - 1 - x; + if (fr <= 0) + return; + l = strlen(comms[act->nr].name); + + if (l + 1 > fr) + l = fr - 1; + PadStr(comms[act->nr].name, l, x, y); + x += l; + fr -= l + 1; + LPutChar(flayer, fr ? &mchar_blank : &mchar_dol, x++, y); + + pp = act->args; + lp = act->argl; + while (pp && (cp = *pp) != NULL) { + del = 0; + bp = buf; + ll = *lp++; + if (!ll || (index(cp, ' ') != NULL)) { + if (index(cp, '\'') != NULL) + *bp++ = del = '"'; + else + *bp++ = del = '\''; + } + + while (ll-- && bp < buf + 250) + bp += AddXChar(bp, *(unsigned char *)cp++); + if (del) + *bp++ = del; + *bp = 0; + if ((fr -= (bp - buf) + 1) < 0) { + fr += bp - buf; + if (fr > 0) + PadStr(buf, fr, x, y); + if (fr == 0) + LPutChar(flayer, &mchar_dol, x, y); + return; + } + + PadStr(buf, strlen(buf), x, y); + x += strlen(buf); + pp++; + if (*pp) + LPutChar(flayer, fr ? &mchar_blank : &mchar_dol, x++, y); + } +} + +static void add_key_to_buf(char *buf, int key) { + buf += strlen(buf); + if (key < 0) + strcpy(buf, "unset"); + else if (key == ' ') + strcpy(buf, "sp"); +#ifdef MAPKEYS + else if (key >= 256) { + key = key - 256 + T_CAPS; + buf[0] = ':'; + buf[1] = term[key].tcname[0]; + buf[2] = term[key].tcname[1]; + buf[3] = ':'; + buf[4] = 0; + } +#endif + else + buf[AddXChar(buf, key)] = 0; +} + +static void HelpRedisplayLine(int y, int xs, int xe, int isblank) { + if (y < 0) { + struct helpdata *helpdata; + + helpdata = (struct helpdata *)flayer->l_data; + helpdata->grow = helpdata->refgrow; + helpdata->command_search = helpdata->refcommand_search; + helppage(); + return; + } + if (y != 0 && y != flayer->l_height - 1) + return; + if (!isblank) + LClearArea(flayer, xs, y, xe, y, 0, 0); +} + + +/* here is all the copyright stuff */ + +static void CopyrightProcess __P((char **, int *)); +static void CopyrightRedisplayLine __P((int, int, int, int)); +static void CopyrightAbort __P((void)); +static void copypage __P((void)); + +struct copydata { + char *cps, *savedcps; /* position in the message */ + char *refcps, *refsavedcps; /* backup for redisplaying */ +}; + +static struct LayFuncs CopyrightLf = { + CopyrightProcess, + CopyrightAbort, + CopyrightRedisplayLine, + DefClearLine, + DefRewrite, + DefResize, + DefRestore, + 0 +}; + +static const char cpmsg[] = "\ +\n\ +GNU Screen version %v\n\ +\n\ +Copyright (c) 2018-2020 Alexander Naumov, Amadeusz Slawinski\n\ +Copyright (c) 2015-2017 Juergen Weigert, Alexander Naumov, Amadeusz Slawinski\n\ +Copyright (c) 2010-2014 Juergen Weigert, Sadrul Habib Chowdhury\n\ +Copyright (c) 2008-2009 Juergen Weigert, Michael Schroeder, Micah Cowan, Sadrul Habib Chowdhury\n\ +Copyright (c) 1993-2007 Juergen Weigert, Michael Schroeder\n\ +Copyright (c) 1987 Oliver Laumann\n\ +\n\ +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.\n\ +\n\ +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.\n\ +\n\ +You should have received a copy of the GNU General Public License \ +along with this program (see the file COPYING); if not, see \ +https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc., \ +51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA.\n\ +\n\ +Send bugreports, fixes, enhancements, t-shirts, money, beer & pizza to \ +screen-devel@gnu.org\n\n\n" + +"Capabilities:\n" + +#ifdef COPY_PASTE +"+copy " +#else +"-copy " +#endif + +#ifdef REMOTE_DETACH +"+remote-detach " +#else +"-remote-detach " +#endif + +#ifdef POW_DETACH +"+power-detach " +#else +"-power-detach " +#endif + +#ifdef MULTI +"+multi-attach " +#else +"-multi-attach " +#endif + +#ifdef MULTIUSER +"+multi-user " +#else +"-multi-user " +#endif + +#ifdef FONT +"+font " +#else +"-font " +#endif + +#ifdef COLORS256 +"+color-256 " +#elif defined(COLORS16) +"+color-16 " +#elif defined(COLOR) +"+color " +#else +"-color " +#endif + +#ifdef UTF8 +"+utf8 " +#else +"-utf8 " +#endif + +#ifdef RXVT_OSC +"+rxvt " +#else +"-rxvt " +#endif + +#ifdef BUILTIN_TELNET +"+builtin-telnet " +#else +"-builtin-telnet " +#endif +; + +static void CopyrightProcess(char **ppbuf, int *plen) { + int done = 0; + struct copydata *copydata; + + copydata = (struct copydata *)flayer->l_data; + while (!done && *plen > 0) { + switch (**ppbuf) { + case ' ': + if (*copydata->cps) { + copypage(); + break; + } + /* FALLTHROUGH */ + case '\r': + case '\n': + CopyrightAbort(); + done = 1; + break; + default: + break; + } + ++*ppbuf; + --*plen; + } +} + +static void CopyrightAbort() { + LAY_CALL_UP(LRefreshAll(flayer, 0)); + ExitOverlayPage(); +} + +void display_copyright() { + struct copydata *copydata; + + if (flayer->l_width < 10 || flayer->l_height < 5) { + LMsg(0, "Window size too small for copyright page"); + return; + } + if (InitOverlayPage(sizeof(*copydata), &CopyrightLf, 0)) + return; + copydata = (struct copydata *)flayer->l_data; + copydata->cps = (char *)cpmsg; + copydata->savedcps = 0; + flayer->l_x = 0; + flayer->l_y = flayer->l_height - 1; + copypage(); +} + +static void copypage() { + register char *cps; + char *ws; + int x, y, l; + char cbuf[80]; + struct copydata *copydata; + + ASSERT(flayer); + copydata = (struct copydata *)flayer->l_data; + + LClearAll(flayer, 0); + x = y = 0; + cps = copydata->cps; + copydata->refcps = cps; + copydata->refsavedcps = copydata->savedcps; + while (*cps && y < flayer->l_height - 3) { + ws = cps; + while (*cps == ' ') + cps++; + if (strncmp(cps, "%v", 2) == 0) { + copydata->savedcps = cps + 2; + cps = version; + continue; + } + while (*cps && *cps != ' ' && *cps != '\n') + cps++; + + l = cps - ws; + cps = ws; + if (l > flayer->l_width - 1) + l = flayer->l_width - 1; + + if (x && x + l >= flayer->l_width - 2) { + x = 0; + y++; + continue; + } + + if (x) { + LPutChar(flayer, &mchar_blank, x, y); + x++; + } + + if (l) + LPutStr(flayer, ws, l, &mchar_blank, x, y); + x += l; + cps += l; + if (*cps == 0 && copydata->savedcps) { + cps = copydata->savedcps; + copydata->savedcps = 0; + } + + if (*cps == '\n') { + x = 0; + y++; + } + + if (*cps == ' ' || *cps == '\n') + cps++; + } + while (*cps == '\n') + cps++; + sprintf(cbuf,"[Press Space %s Return to end.]", *cps ? "for next page;" : "or"); + centerline(cbuf, flayer->l_height - 2); + copydata->cps = cps; + LaySetCursor(); +} + +static void CopyrightRedisplayLine(int y, int xs, int xe, int isblank) { + ASSERT(flayer); + if (y < 0) { + struct copydata *copydata; + + copydata = (struct copydata *)flayer->l_data; + copydata->cps = copydata->refcps; + copydata->savedcps = copydata->refsavedcps; + copypage(); + return; + } + if (y != 0 && y != flayer->l_height - 1) + return; + if (isblank) + return; + LClearArea(flayer, xs, y, xe, y, 0, 0); +} + + +/* The bindkey help page */ + +#ifdef MAPKEYS +extern struct kmap_ext *kmap_exts; +extern int kmap_extn; +extern struct action dmtab[]; +extern struct action mmtab[]; + +static void BindkeyProcess __P((char **, int *)); +static void BindkeyAbort __P((void)); +static void BindkeyRedisplayLine __P((int, int, int, int)); +static void bindkeypage __P((void)); + +struct bindkeydata { + char *title; + struct action *tab; + int pos; + int last; + int page; + int pages; +}; + +static struct LayFuncs BindkeyLf = { + BindkeyProcess, + BindkeyAbort, + BindkeyRedisplayLine, + DefClearLine, + DefRewrite, + DefResize, + DefRestore, + 0 +}; + + +void display_bindkey(char *title, struct action *tab) { + struct bindkeydata *bindkeydata; + int i, n; + + if (flayer->l_height < 6) { + LMsg(0, "Window height too small for bindkey page"); + return; + } + if (InitOverlayPage(sizeof(*bindkeydata), &BindkeyLf, 0)) + return; + + bindkeydata = (struct bindkeydata *)flayer->l_data; + bindkeydata->title = title; + bindkeydata->tab = tab; + + n = 0; + for (i = 0; i < KMAP_KEYS+KMAP_AKEYS+kmap_extn; i++) { + if (tab[i].nr != RC_ILLEGAL) + n++; + } + bindkeydata->pos = 0; + bindkeydata->page = 1; + bindkeydata->pages = (n + flayer->l_height - 6) / (flayer->l_height - 5); + if (bindkeydata->pages == 0) + bindkeydata->pages = 1; + flayer->l_x = 0; + flayer->l_y = flayer->l_height - 1; + bindkeypage(); +} + +static void BindkeyAbort() { + LAY_CALL_UP(LRefreshAll(flayer, 0)); + ExitOverlayPage(); +} + +static void bindkeypage() { + struct bindkeydata *bindkeydata; + struct kmap_ext *kme; + char tbuf[256]; + int del, i, y, sl; + struct action *act; + char *xch, *s, *p; + + bindkeydata = (struct bindkeydata *)flayer->l_data; + LClearAll(flayer, 0); + + sprintf(tbuf, "%s key bindings, page %d of %d.", bindkeydata->title, bindkeydata->page, bindkeydata->pages); + centerline(tbuf, 0); + y = 2; + for (i = bindkeydata->pos; i < KMAP_KEYS+KMAP_AKEYS+kmap_extn && y < flayer->l_height - 3; i++) { + p = tbuf; + xch = " "; + if (i < KMAP_KEYS) { + act = &bindkeydata->tab[i]; + if (act->nr == RC_ILLEGAL) + continue; + del = *p++ = ':'; + s = term[i + T_CAPS].tcname; + sl = s ? strlen(s) : 0; + } + + else if (i < KMAP_KEYS+KMAP_AKEYS) { + act = &bindkeydata->tab[i]; + if (act->nr == RC_ILLEGAL) + continue; + del = *p++ = ':'; + s = term[i + (T_CAPS - T_OCAPS + T_CURSOR)].tcname; + sl = s ? strlen(s) : 0; + xch = "[A]"; + } + + else { + kme = kmap_exts + (i - (KMAP_KEYS+KMAP_AKEYS)); + del = 0; + s = kme->str; + sl = kme->fl & ~KMAP_NOTIMEOUT; + if ((kme->fl & KMAP_NOTIMEOUT) != 0) + xch = "[T]"; + act = bindkeydata->tab == dmtab ? &kme->dm : bindkeydata->tab == mmtab ? &kme->mm : &kme->um; + if (act->nr == RC_ILLEGAL) + continue; + } + + while (sl-- > 0) + p += AddXChar(p, *(unsigned char *)s++); + + if (del) + *p++ = del; + + *p++ = ' '; + while (p < tbuf + 15) + *p++ = ' '; + sprintf(p, "%s -> ", xch); + p += 7; + if (p - tbuf > flayer->l_width - 1) { + tbuf[flayer->l_width - 2] = '$'; + tbuf[flayer->l_width - 1] = 0; + } + + PadStr(tbuf, strlen(tbuf), 0, y); + AddAction(act, strlen(tbuf), y); + y++; + } + y++; + bindkeydata->last = i; + sprintf(tbuf,"[Press Space %s Return to end.]", bindkeydata->page < bindkeydata->pages ? "for next page;" : "or"); + centerline(tbuf, flayer->l_height - 2); + LaySetCursor(); +} + +static void BindkeyProcess(char **ppbuf, int *plen) { + int done = 0; + struct bindkeydata *bindkeydata; + + bindkeydata = (struct bindkeydata *)flayer->l_data; + while (!done && *plen > 0) { + switch (**ppbuf) { + case ' ': + if (bindkeydata->page < bindkeydata->pages) { + bindkeydata->pos = bindkeydata->last; + bindkeydata->page++; + bindkeypage(); + break; + } + /* FALLTHROUGH */ + case '\r': + case '\n': + done = 1; + break; + default: + break; + } + ++*ppbuf; + --*plen; + } + if (done) + BindkeyAbort(); +} + +static void BindkeyRedisplayLine(int y, int xs, int xe, int isblank) { + if (y < 0) { + bindkeypage(); + return; + } + if (y != 0 && y != flayer->l_height - 1) + return; + if (!isblank) + LClearArea(flayer, xs, y, xe, y, 0, 0); +} + +#endif /* MAPKEYS */ + +/* The zmodem active page */ + +#ifdef ZMODEM + +static void ZmodemRedisplayLine __P((int, int, int, int)); +static int ZmodemResize __P((int, int)); + +static struct LayFuncs ZmodemLf = { + DefProcess, + 0, + ZmodemRedisplayLine, + DefClearLine, + DefRewrite, + ZmodemResize, + DefRestore, + 0 +}; + +/*ARGSUSED*/ +static int ZmodemResize(int wi, int he) { + flayer->l_width = wi; + flayer->l_height = he; + flayer->l_x = flayer->l_width > 32 ? 32 : 0; + return 0; +} + +static void ZmodemRedisplayLine(int y, int xs, int xe, int isblank) { + DefRedisplayLine(y, xs, xe, isblank); + if (y == 0 && xs == 0) + LPutStr(flayer, "Zmodem active on another display", flayer->l_width > 32 ? 32 : flayer->l_width, &mchar_blank, 0, 0); +} + +void ZmodemPage() { + if (InitOverlayPage(1, &ZmodemLf, 1)) + return; + LRefreshAll(flayer, 0); + flayer->l_x = flayer->l_width > 32 ? 32 : 0; + flayer->l_y = 0; +} + +#endif + +static void PadStr(char *str, int n, int x, int y) { + int l; + + l = strlen(str); + if (l > n) + l = n; + LPutStr(flayer, str, l, &mchar_blank, x, y); + if (l < n) + LPutStr(flayer, (char *)blank, n - l, &mchar_blank, x + l, y); +} |