src/sterm.c

   1 /* See LICENSE for licence details. */
   2 #ifndef GIT_VERSION
   3 # define VERSION  "0.4.0.beta4"
   4 #else
   5 # define VERSION  GIT_VERSION
   6 #endif
   7
   8 #ifdef _XOPEN_SOURCE
   9 # undef _XOPEN_SOURCE
  10 #endif
  11 #define _XOPEN_SOURCE 600
  12
  13 #include <alloca.h>
  14 #include <ctype.h>
  15 #include <errno.h>
  16 #include <fcntl.h>
  17 #include <iconv.h>
  18 #include <limits.h>
  19 #include <locale.h>
  20
  21 #ifdef __MACH__
  22 #include <util.h>
  23 #else
  24 #include <pty.h>
  25 #endif
  26
  27 #include <stdarg.h>
  28 #include <stdint.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <strings.h>
  33 #include <signal.h>
  34 #include <sys/ioctl.h>
  35 #include <sys/select.h>
  36 #include <sys/stat.h>
  37 #include <sys/time.h>
  38 #include <sys/types.h>
  39 #include <sys/wait.h>
  40 #include <time.h>
  41 #include <unistd.h>
  42 #include <X11/Xatom.h>
  43 #include <X11/Xlib.h>
  44 #include <X11/Xutil.h>
  45 #include <X11/cursorfont.h>
  46 #include <X11/keysym.h>
  47
  48 ////////////////////////////////////////////////////////////////////////////////
  49 #include "libk8sterm/k8sterm.h"
  50
  51
  52 ////////////////////////////////////////////////////////////////////////////////
  53 #include "defaults.c"
  54
  55
  56 ////////////////////////////////////////////////////////////////////////////////
  57 #define USAGE_VERSION  "k8sterm " VERSION "\n(c) 2010-2012 st engineers and Ketmar // Vampire Avalon\n"
  58 #define USAGE \
  59   "usage: sterm [options]\n" \
  60   "options:\n" \
  61   "-v              show version and exit\n" \
  62   "-h              show this help and exit\n" \
  63   "-S              disable tabs\n" \
  64   "-t title        set window title\n" \
  65   "-c class        set window class\n" \
  66   "-w windowid     embed in window id given id\n" \
  67   "-T termname     set TERM name\n" \
  68   "-C config_file  use custom config file\n" \
  69   "-l langiconv    use given locale\n" \
  70   "-R stcmd        run this INTERNAL k8sterm command\n" \
  71   "-e command...   run given command and pass all following args to it\n"
  72
  73
  74 ////////////////////////////////////////////////////////////////////////////////
  75 /* masks for key translation */
  76 #define XK_NO_MOD   (UINT_MAX)
  77 #define XK_ANY_MOD  (0)
  78
  79
  80 ////////////////////////////////////////////////////////////////////////////////
  81 // internal command line mode
  82 enum {
  83   K8T_CMDMODE_NONE,
  84   K8T_CMDMODE_INPUT,
  85   K8T_CMDMODE_MESSAGE
  86 };
  87
  88
  89 // X11 window state flags
  90 enum {
  91   K8T_WIN_VISIBLE = 0x01,
  92   K8T_WIN_REDRAW  = 0x02,
  93   K8T_WIN_FOCUSED = 0x04
  94 };
  95
  96
  97 ////////////////////////////////////////////////////////////////////////////////
  98 /* Purely graphic info */
  99 typedef struct {
 100   Display *dpy;
 101   Colormap cmap;
 102   Window win;
 103   Cursor cursor; // text cursor
 104   Cursor defcursor; // 'default' cursor
 105   Cursor lastcursor; // last used cursor before blanking
 106   Cursor blankPtr;
 107   Atom xembed;
 108   XIM xim;
 109   XIC xic;
 110   int scr;
 111   int w;      /* window width */
 112   int h;      /* window height */
 113   int bufw;   /* pixmap width */
 114   int bufh;   /* pixmap height */
 115   int ch;     /* char height */
 116   int cw;     /* char width */
 117   char state; /* focus, redraw, visible */
 118   //
 119   int tch;    /* tab text char height */
 120   Pixmap pictab;
 121   int picscrhere;
 122   Pixmap picscr;
 123   int tabheight;
 124   //struct timeval lastdraw;
 125 } K8TXWindow;
 126
 127
 128 /* Drawing Context */
 129 typedef struct {
 130   uint32_t *ncol; // normal colors
 131   uint32_t *bcol; // b/w colors
 132   uint32_t *gcol; // green colors
 133   uint32_t *clrs[3];
 134   GC gc;
 135   struct {
 136     int ascent;
 137     int descent;
 138     short lbearing;
 139     short rbearing;
 140     XFontSet set;
 141     Font fid;
 142   } font[3];
 143 } K8TXDC;
 144
 145
 146 typedef struct K8TCmdLine K8TCmdLine;
 147
 148 typedef void (*CmdLineExecFn) (K8Term *term, K8TCmdLine *cmdline, int cancelled);
 149
 150 struct K8TCmdLine {
 151   int cmdMode; // K8T_CMDMODE_xxx
 152   char cmdline[K8T_UTF_SIZ*CMDLINE_SIZE];
 153   int cmdreslen; // byte length of 'reserved' (read-only) part
 154   int cmdofs; // byte offset of the first visible UTF-8 char in cmdline
 155   char cmdc[K8T_UTF_SIZ+1]; // buffer to collect UTF-8 char
 156   int cmdcl; // index in cmdc, used to collect UTF-8 chars
 157   int cmdtabpos; // # of bytes (not UTF-8 chars!) used in autocompletion or -1
 158   const char *cmdcurtabc; // current autocompleted command
 159   CmdLineExecFn cmdexecfn;
 160   void *udata;
 161 };
 162
 163
 164 /* internal terminal data */
 165 typedef struct {
 166   pid_t pid;
 167   int exitcode;
 168   //
 169   int waitkeypress; /* child is dead, awaiting for keypress */
 170   char *exitmsg; /* message for waitkeypress */
 171   //
 172   char *execcmd;
 173   //
 174   K8TCmdLine cmdline;
 175 } K8TermData;
 176
 177 #define K8T_DATA(_term)  ((K8TermData *)(_term->udata))
 178
 179
 180 ////////////////////////////////////////////////////////////////////////////////
 181 #include "globals.c"
 182 #include "getticks.c"
 183
 184
 185 ////////////////////////////////////////////////////////////////////////////////
 186 #include "utils.c"
 187 #include "keymaps.c"
 188
 189
 190 ////////////////////////////////////////////////////////////////////////////////
 191 static void executeCommands (const char *str);
 192 static const char *findCommandCompletion (const char *str, int slen, const char *prev);
 193
 194 static void tdrawfatalmsg (K8Term *term, const char *msg);
 195
 196 static void tcmdput (K8Term *term, K8TCmdLine *cmdline, const char *s, int len);
 197
 198 static void xclearunused (void);
 199 static void xseturgency (int add);
 200 static void xfixsel (void);
 201 static void xblankPointer (void);
 202 static void xunblankPointer (void);
 203 static void xdrawTabBar (void);
 204 static void xdrawcmdline (K8Term *term, K8TCmdLine *cmdline, int scry);
 205
 206 static void termCreateXPixmap (K8Term *term);
 207 static void termSetCallbacks (K8Term *term);
 208 static void termSetDefaults (K8Term *term);
 209
 210 static void getButtonInfo (K8Term *term, XEvent *e, int *b, int *x, int *y);
 211
 212 static void fixWindowTitle (const K8Term *t);
 213
 214 static void scrollHistory (K8Term *term, int delta);
 215
 216
 217 ////////////////////////////////////////////////////////////////////////////////
 218 static inline uint32_t getColor (int idx) {
 219   if (globalBW && (curterm == NULL || !curterm->blackandwhite)) return dc.clrs[globalBW][idx];
 220   if (curterm != NULL) return dc.clrs[curterm->blackandwhite%3][idx];
 221   return dc.clrs[0][idx];
 222 }
 223
 224
 225 ////////////////////////////////////////////////////////////////////////////////
 226 #include "iniparse.c"
 227 #include "locales.c"
 228
 229
 230 ////////////////////////////////////////////////////////////////////////////////
 231 #include "termswitch.c"
 232 #include "ttyinit.c"
 233
 234
 235 ////////////////////////////////////////////////////////////////////////////////
 236 #include "tcmdline.c"
 237 #include "tfatalbox.c"
 238
 239
 240 ////////////////////////////////////////////////////////////////////////////////
 241 #include "x11init.c"
 242 #include "x11misc.c"
 243 #include "x11drawtabs.c"
 244 #include "x11drawcmdline.c"
 245
 246
 247 ////////////////////////////////////////////////////////////////////////////////
 248 #include "x11evtvis.c"
 249 #include "x11evtkbd.c"
 250 #include "x11evtsel.c"
 251 #include "x11evtmouse.c"
 252
 253
 254 ////////////////////////////////////////////////////////////////////////////////
 255 #include "x11CB.c"
 256
 257
 258 ////////////////////////////////////////////////////////////////////////////////
 259 // xembed?
 260 static void xevtcbcmessage (XEvent *e) {
 261   /* See xembed specs http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
 262   if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
 263     if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
 264       xw.state |= K8T_WIN_FOCUSED;
 265       xseturgency(0);
 266       k8t_tmSendFocusEvent(curterm, 1);
 267     } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
 268       xw.state &= ~K8T_WIN_FOCUSED;
 269       k8t_tmSendFocusEvent(curterm, 0);
 270     }
 271     k8t_drawCursor(curterm, 0);
 272     xdrawTabBar();
 273     k8t_drawCopy(curterm, 0, 0, curterm->col, curterm->row);
 274     return;
 275   }
 276   //
 277   if (e->xclient.data.l[0] == XA_WM_DELETE_WINDOW) {
 278     closeRequestComes = 1;
 279     return;
 280   }
 281 }
 282
 283
 284 ////////////////////////////////////////////////////////////////////////////////
 285 static inline int last_draw_too_old (void) {
 286   K8TTimeMSec tt = mclock_ticks();
 287   //
 288   if (curterm != NULL) {
 289     if (curterm->dead || !curterm->wantRedraw) return 0;
 290     //
 291     return
 292       (tt-curterm->lastDrawTime >= opt_drawtimeout ||
 293        tt-lastDrawTime >= (curterm->justSwapped ? opt_swapdrawtimeout : opt_maxdrawtimeout));
 294   }
 295   return (tt-lastDrawTime >= opt_maxdrawtimeout);
 296 }
 297
 298
 299 ////////////////////////////////////////////////////////////////////////////////
 300 // main loop
 301 static void (*handler[LASTEvent])(XEvent *) = {
 302   [KeyPress] = xevtcbkpress,
 303   [ClientMessage] = xevtcbcmessage,
 304   [ConfigureNotify] = xevtcbresise,
 305   [VisibilityNotify] = xevtcbvisibility,
 306   [UnmapNotify] = xevtcbunmap,
 307   [Expose] = xevtcbexpose,
 308   [FocusIn] = xevtcbfocus,
 309   [FocusOut] = xevtcbfocus,
 310   [MotionNotify] = xevtcbbmotion,
 311   [ButtonPress] = xevtcbbpress,
 312   [ButtonRelease] = xevtcbbrelease,
 313   [SelectionNotify] = xevtcbselnotify,
 314   [SelectionRequest] = xevtcbselrequest,
 315   [SelectionClear] = xevtcbselclear,
 316 };
 317
 318
 319 static void run (void) {
 320   //int stuff_to_print = 0;
 321   int xfd = XConnectionNumber(xw.dpy);
 322   //
 323   ptrLastMove = mclock_ticks();
 324   while (term_count > 0) {
 325     XEvent ev;
 326     fd_set rfd, wfd;
 327     struct timeval timeout;
 328     int maxfd = xfd;
 329     int dodraw;
 330     //
 331     FD_ZERO(&rfd);
 332     FD_ZERO(&wfd);
 333     FD_SET(xfd, &rfd);
 334     //FD_SET(curterm->cmdfd, &rfd);
 335     // have something to write?
 336     for (int f = 0; f < term_count; ++f) {
 337       K8Term *t = term_array[f];
 338       //
 339       if (!t->dead && t->cmdfd >= 0) {
 340         if (t->cmdfd > maxfd) maxfd = t->cmdfd;
 341         FD_SET(t->cmdfd, &rfd);
 342         if (K8T_DATA(t)->pid != 0 && t->wrbufpos < t->wrbufused) FD_SET(t->cmdfd, &wfd);
 343       }
 344     }
 345     //
 346     timeout.tv_sec = 0;
 347     timeout.tv_usec = (opt_drawtimeout+2)*1000;
 348     //fprintf(stderr, "before select...\n");
 349     if (select(maxfd+1, &rfd, &wfd, NULL, &timeout) < 0) {
 350       if (errno == EINTR) continue;
 351       k8t_die("select failed: %s", strerror(errno));
 352     }
 353     //fprintf(stderr, "after select...\n");
 354     // process terminals i/o
 355     for (int f = 0; f < term_count; ++f) {
 356       K8Term *t = term_array[f];
 357       //
 358       if (!t->dead && t->cmdfd >= 0) {
 359         int rd = -1;
 360         //
 361         if (K8T_DATA(t)->pid != 0 && FD_ISSET(t->cmdfd, &wfd)) k8t_ttyFlushWriteBuf(t);
 362         if (FD_ISSET(t->cmdfd, &rfd)) rd = k8t_ttyRead(t);
 363         //
 364         if (K8T_DATA(t)->waitkeypress && K8T_DATA(t)->exitmsg != NULL && rd < 0) {
 365           // there will be no more data
 366           close(t->cmdfd);
 367           t->cmdfd = -1;
 368           //
 369           tdrawfatalmsg(t, K8T_DATA(t)->exitmsg);
 370           free(K8T_DATA(t)->exitmsg);
 371           K8T_DATA(t)->exitmsg = NULL;
 372           k8t_tmWantRedraw(t, 1);
 373         }
 374       }
 375     }
 376     //
 377     termcleanup();
 378     if (term_count == 0) exit(exitcode);
 379     //
 380     dodraw = 0;
 381     if (curterm != NULL && curterm->curblink > 0) {
 382       K8TTimeMSec tt = mclock_ticks();
 383       //
 384       if (tt-curterm->lastBlinkTime >= curterm->curblink) {
 385         curterm->lastBlinkTime = tt;
 386         if ((xw.state&K8T_WIN_FOCUSED) || curterm->curblinkinactive) {
 387           curterm->curbhidden = (curterm->curbhidden ? 0 : -1);
 388           dodraw = 1;
 389         } else {
 390           curterm->curbhidden = 0;
 391         }
 392       }
 393     }
 394     if (updateTabBar) xdrawTabBar();
 395     if (dodraw || last_draw_too_old()) k8t_drawTerm(curterm, 0);
 396     //
 397     if (XPending(xw.dpy)) {
 398       while (XPending(xw.dpy)) {
 399         XNextEvent(xw.dpy, &ev);
 400         switch (ev.type) {
 401           //case VisibilityNotify:
 402           //case UnmapNotify:
 403           //case FocusIn:
 404           //case FocusOut:
 405           case MotionNotify:
 406           case ButtonPress:
 407           case ButtonRelease:
 408             xunblankPointer();
 409             ptrLastMove = mclock_ticks();
 410             break;
 411           default: ;
 412         }
 413         if (XFilterEvent(&ev, xw.win)) continue;
 414         if (handler[ev.type]) (handler[ev.type])(&ev);
 415       }
 416     }
 417     //
 418     if (curterm != NULL) {
 419       switch (closeRequestComes) {
 420         case 1: // just comes
 421           if (opt_ignoreclose == 0) {
 422             tcmdlinehide(curterm, &K8T_DATA(curterm)->cmdline);
 423             tcmdlineinitex(curterm, &K8T_DATA(curterm)->cmdline, "Do you really want to close sterm [Y/n]? ");
 424             K8T_DATA(curterm)->cmdline.cmdexecfn = cmdline_closequeryexec;
 425           } else if (opt_ignoreclose < 0) {
 426             //FIXME: kill all clients?
 427             return;
 428           }
 429           closeRequestComes = 0;
 430           break;
 431         case 2: // ok, die now
 432           //FIXME: kill all clients?
 433           return;
 434       }
 435     }
 436     //
 437     if (!ptrBlanked && opt_ptrblank > 0 && mclock_ticks()-ptrLastMove >= opt_ptrblank) {
 438       xblankPointer();
 439     }
 440   }
 441 }
 442
 443
 444 ////////////////////////////////////////////////////////////////////////////////
 445 static void termSetDefaults (K8Term *term) {
 446   term->deffg = defaultFG;
 447   term->defbg = defaultBG;
 448   term->defboldfg = defaultBoldFG;
 449   term->defunderfg = defaultUnderlineFG;
 450   //
 451   term->defcurfg = defaultCursorFG;
 452   term->defcurbg = defaultCursorBG;
 453   term->defcurinactivefg = defaultCursorInactiveFG;
 454   term->defcurinactivebg = defaultCursorInactiveBG;
 455   //
 456   term->tabsize = opt_tabsize;
 457   term->wrapOnCtrlChars = 0;
 458   term->historyLinesUsed = 0;
 459 }
 460
 461
 462 static void termSetCallbacks (K8Term *term) {
 463   K8TermData *td = calloc(1, sizeof(K8TermData));
 464   //
 465   if (td == NULL) k8t_die("out of memory!");
 466   term->udata = td;
 467   //
 468   term->clockTicks = clockTicksCB;
 469   term->setLastDrawTime = setLastDrawTimeCB;
 470   //
 471   term->isConversionNecessary = isConversionNecessaryCB;
 472   term->loc2utf = loc2utfCB;
 473   term->utf2loc = utf2locCB;
 474   //
 475   term->isFocused = isFocusedCB;
 476   term->isVisible = isVisibleCB;
 477   //
 478   term->drawSetFG = drawSetFGCB;
 479   term->drawSetBG = drawSetBGCB;
 480   term->drawRect = drawRectCB;
 481   term->drawFillRect = drawFillRectCB;
 482   term->drawCopyArea = drawCopyAreaCB;
 483   term->drawString = drawStringCB;
 484   term->drawOverlay = drawOverlayCB;
 485   //
 486   term->fixSelection = fixSelectionCB;
 487   term->clearSelection = clearSelectionCB;
 488   //
 489   term->titleChanged = titleChangedCB;
 490   term->doBell = doBellCB;
 491   //
 492   term->isUnderOverlay = isUnderOverlayCB;
 493   term->clipToOverlay = clipToOverlayCB;
 494   term->addHistoryLine = NULL;
 495   //
 496   term->unimap = unimap;
 497   td->execcmd = NULL;
 498 }
 499
 500
 501 static void termCreateXPixmap (K8Term *term) {
 502   int w = K8T_MAX(1, term->col*xw.cw);
 503   int h = K8T_MAX(1, term->row*xw.ch);
 504   Pixmap newbuf;
 505   //
 506   newbuf = XCreatePixmap(xw.dpy, xw.win, w, h, XDefaultDepth(xw.dpy, xw.scr));
 507   //
 508   if (xw.picscrhere) {
 509     //XCopyArea(xw.dpy, td->picbuf, newbuf, dc.gc, 0, 0, td->picbufw, td->picbufh, 0, 0);
 510     XFreePixmap(xw.dpy, xw.picscr);
 511   }
 512   xw.picscr = newbuf;
 513   //
 514   term->drawSetFG(term, term->defbg);
 515   //
 516 /*
 517   if (td->picalloced) {
 518     if (td->picbufw > oldw) {
 519       XFillRectangle(xw.dpy, newbuf, dc.gc, oldw, 0, td->picbufw-oldw, K8T_MIN(td->picbufh, oldh));
 520     } else if (td->picbufw < oldw && xw.w > td->picbufw) {
 521       XClearArea(xw.dpy, xw.win, td->picbufw, 0, xw.w-td->picbufh, K8T_MIN(td->picbufh, oldh), False);
 522     }
 523     //
 524     if (td->picbufh > oldh) {
 525       XFillRectangle(xw.dpy, newbuf, dc.gc, 0, oldh, td->picbufw, td->picbufh-oldh);
 526     } else if (td->picbufh < oldh && xw.h > td->picbufh) {
 527       XClearArea(xw.dpy, xw.win, 0, td->picbufh, xw.w, xw.h-td->picbufh, False);
 528     }
 529   } else {
 530     XFillRectangle(xw.dpy, newbuf, dc.gc, 0, 0, td->picbufw, td->picbufh);
 531   }
 532 */
 533   XFillRectangle(xw.dpy, newbuf, dc.gc, 0, 0, w, h);
 534   //
 535   k8t_tmFullDirty(term);
 536 }
 537
 538
 539 ////////////////////////////////////////////////////////////////////////////////
 540 #include "inifile.c"
 541 #include "commands.c"
 542
 543
 544 ////////////////////////////////////////////////////////////////////////////////
 545 #include "childkiller.c"
 546
 547
 548 ////////////////////////////////////////////////////////////////////////////////
 549 #define PUSH_BACK(_c)  (*ress)[dpos++] = (_c)
 550 #define DECODE_TUPLE(tuple,bytes) \
 551   for (tmp = bytes; tmp > 0; tmp--, tuple = (tuple & 0x00ffffff)<<8) \
 552     PUSH_BACK((char)((tuple >> 24)&0xff))
 553
 554 // returns ress length
 555 static int ascii85Decode (char **ress, const char *srcs/*, int start, int length*/) {
 556   static uint32_t pow85[5] = { 85*85*85*85UL, 85*85*85UL, 85*85UL, 85UL, 1UL };
 557   const uint8_t *data = (const uint8_t *)srcs;
 558   int len = strlen(srcs);
 559   uint32_t tuple = 0;
 560   int count = 0, c = 0;
 561   int dpos = 0;
 562   int start = 0, length = len;
 563   int tmp;
 564   //
 565   if (start < 0) start = 0; else { len -= start; data += start; }
 566   if (length < 0 || len < length) length = len;
 567   /*
 568   if (length > 0) {
 569     int xlen = 4*((length+4)/5);
 570     kstringReserve(ress, xlen);
 571   }
 572   */
 573   //
 574   *ress = (char *)calloc(1, len+1);
 575   for (int f = length; f > 0; --f, ++data) {
 576     c = *data;
 577     if (c <= ' ') continue; // skip blanks
 578     switch (c) {
 579       case 'z': // zero tuple
 580       if (count != 0) {
 581         //fprintf(stderr, "%s: z inside ascii85 5-tuple\n", file);
 582         free(*ress);
 583         *ress = NULL;
 584         return -1;
 585       }
 586       PUSH_BACK('\0');
 587       PUSH_BACK('\0');
 588       PUSH_BACK('\0');
 589       PUSH_BACK('\0');
 590       break;
 591     case '~': // '~>': end of sequence
 592       if (f < 1 || data[1] != '>') { free(*ress); return -2; } // error
 593       if (count > 0) { f = -1; break; }
 594     default:
 595       if (c < '!' || c > 'u') {
 596         //fprintf(stderr, "%s: bad character in ascii85 region: %#o\n", file, c);
 597         free(*ress);
 598         return -3;
 599       }
 600       tuple += ((uint8_t)(c-'!'))*pow85[count++];
 601       if (count == 5) {
 602         DECODE_TUPLE(tuple, 4);
 603         count = 0;
 604         tuple = 0;
 605       }
 606       break;
 607     }
 608   }
 609   // write last (possibly incomplete) tuple
 610   if (count-- > 0) {
 611     tuple += pow85[count];
 612     DECODE_TUPLE(tuple, count);
 613   }
 614   return dpos;
 615 }
 616
 617 #undef PUSH_BACK
 618 #undef DECODE_TUPLE
 619
 620
 621 static void decodeBA (char *str, int len) {
 622   char pch = 42;
 623   //
 624   for (int f = 0; f < len; ++f, ++str) {
 625     char ch = *str;
 626     //
 627     ch = (ch-f-1)^pch;
 628     *str = ch;
 629     pch = ch;
 630   }
 631 }
 632
 633
 634 static void printEC (const char *txt) {
 635   char *dest;
 636   int len;
 637   //
 638   if ((len = ascii85Decode(&dest, txt)) >= 0) {
 639     decodeBA(dest, len);
 640     fprintf(stderr, "%s\n", dest);
 641     free(dest);
 642   }
 643 }
 644
 645
 646 static int isStr85Equ (const char *txt, const char *str) {
 647   char *dest;
 648   int len, res = 0;
 649   //
 650   if (str != NULL && str[0] && (len = ascii85Decode(&dest, txt)) >= 0) {
 651     if (len > 0) res = (strcmp(dest+1, str+1) == 0);
 652     free(dest);
 653   }
 654   return res;
 655 }
 656
 657
 658 static int checkEGG (const char *str) {
 659   if (isStr85Equ("06:]JASq", str) || isStr85Equ("0/i", str)) {
 660     printEC(
 661       "H8lZV&6)1>+AZ>m)Cf8;A1/cP+CnS)0OJ`X.QVcHA4^cc5r3=m1c%0D3&c263d?EV6@4&>"
 662       "3DYQo;c-FcO+UJ;MOJ$TAYO@/FI]+B?C.L$>%:oPAmh:4Au)>AAU/H;ZakL2I!*!%J;(AK"
 663       "NIR#5TXgZ6c'F1%^kml.JW5W8e;ql0V3fQUNfKpng6ppMf&ip-VOX@=jKl;#q\"DJ-_>jG"
 664       "8#L;nm]!q;7c+hR6p;tVY#J8P$aTTK%c-OT?)<00,+q*8f&ff9a/+sbU,:`<H*[fk0o]7k"
 665       "^l6nRkngc6Tl2Ngs!!P2I%KHG=7n*an'bsgn>!*8s7TLTC+^\\\"W+<=9^%Ol$1A1eR*Be"
 666       "gqjEag:M0OnrC4FBY5@QZ&'HYYZ#EHs8t4$5]!22QoJ3`;-&=\\DteO$d6FBqT0E@:iu?N"
 667       "a5ePUf^_uEEcjTDKfMpX/9]DFL8N-Ee;*8C5'WgbGortZuh1\\N0;/rJB6'(MSmYiS\"6+"
 668       "<NK)KDV3e+Ad[@).W:%.dd'0h=!QUhghQaNNotIZGrpHr-YfEuUpsKW<^@qlZcdTDA!=?W"
 669       "Yd+-^`'G8Or)<0-T&CT.i+:mJp(+/M/nLaVb#5$p2jR2<rl7\"XlngcN`mf,[4oK5JLr\\"
 670       "m=X'(ue;'*1ik&/@T4*=j5t=<&/e/Q+2=((h`>>uN(#>&#i>2/ajK+=eib1coVe3'D)*75"
 671       "m_h;28^M6p6*D854Jj<C^,Q8Wd\"O<)&L/=C$lUAQNN<=eTD:A6kn-=EItXSss.tAS&!;F"
 672       "EsgpJTHIYNNnh'`kmX^[`*ELOHGcWbfPOT`J]A8P`=)AS;rYlR$\"-.RG440lK5:Dg?G'2"
 673       "['dE=nEm1:k,,Se_=%-6Z*L^J[)EC"
 674     );
 675     return 1;
 676   }
 677   if (isStr85Equ("04Jj?B)", str)) {
 678     printEC(
 679       "IPaSa(`c:T,o9Bq3\\)IY++?+!-S9%P0/OkjE&f$l.OmK'Ai2;ZHn[<,6od7^8;)po:HaP"
 680       "m<'+&DRS:/1L7)IA7?WI$8WKTUB2tXg>Zb$.?\"@AIAu;)6B;2_PB5M?oBPDC.F)606Z$V"
 681       "=ONd6/5P*LoWKTLQ,d@&;+Ru,\\ESY*rg!l1XrhpJ:\"WKWdOg?l;=RHE:uU9C?aotBqj]"
 682       "=k8cZ`rp\"ZO=GjkfD#o]Z\\=6^]+Gf&-UFthT*hN"
 683     );
 684     return 1;
 685   }
 686   if (isStr85Equ("04o69A7Tr", str)) {
 687     printEC(
 688       "Ag7d[&R#Ma9GVV5,S(D;De<T_+W).?,%4n+3cK=%4+0VN@6d\")E].np7l?8gF#cWF7SS_m"
 689       "4@V\\nQ;h!WPD2h#@\\RY&G\\LKL=eTP<V-]U)BN^b.DffHkTPnFcCN4B;]8FCqI!p1@H*_"
 690       "jHJ<%g']RG*MLqCrbP*XbNL=4D1R[;I(c*<FuesbWmSCF1jTW+rplg;9[S[7eDVl6YsjT"
 691     );
 692     return 1;
 693   }
 694   return 0;
 695 }
 696
 697
 698 ////////////////////////////////////////////////////////////////////////////////
 699 int main (int argc, char *argv[]) {
 700   char *configfile = NULL;
 701   char *runcmd = NULL;
 702   //
 703   //dbgLogInit();
 704   //
 705   for (int f = 1; f < argc; f++) {
 706     if (argv[f][0] == '-' && checkEGG(argv[f])) exit(1);
 707     if (strcmp(argv[f], "-name") == 0) { ++f; continue; }
 708     if (strcmp(argv[f], "-into") == 0) { ++f; continue; }
 709     if (strcmp(argv[f], "-embed") == 0) { ++f; continue; }
 710     switch (argv[f][0] != '-' || argv[f][2] ? -1 : argv[f][1]) {
 711       case 'e': f = argc+1; break;
 712       case 't':
 713       case 'c':
 714       case 'w':
 715       case 'b':
 716       case 'R':
 717         ++f;
 718         break;
 719       case 'T':
 720         if (++f < argc) {
 721           free(opt_term);
 722           opt_term = strdup(argv[f]);
 723           opt_term_locked = 1;
 724         }
 725         break;
 726       case 'C':
 727         if (++f < argc) {
 728           if (configfile != NULL) free(configfile);
 729           configfile = strdup(argv[f]);
 730         }
 731         break;
 732       case 'l':
 733         if (++f < argc) cliLocale = argv[f];
 734         break;
 735       case 'S': // single-tab mode
 736         opt_disabletabs = 1;
 737         break;
 738       case 'v':
 739         fprintf(stderr, "%s", USAGE_VERSION);
 740         exit(EXIT_FAILURE);
 741       case 'h':
 742       default:
 743         fprintf(stderr, "%s%s", USAGE_VERSION, USAGE);
 744         exit(EXIT_FAILURE);
 745     }
 746   }
 747   //
 748   initDefaultOptions();
 749   if (configfile == NULL) {
 750     const char *home = getenv("HOME");
 751     //
 752     if (home != NULL) {
 753       configfile = SPrintf("%s/.sterm.rc", home);
 754       if (loadConfig(configfile) == 0) goto cfgdone;
 755       free(configfile); configfile = NULL;
 756       //
 757       configfile = SPrintf("%s/.config/sterm.rc", home);
 758       if (loadConfig(configfile) == 0) goto cfgdone;
 759       free(configfile); configfile = NULL;
 760     }
 761     //
 762     configfile = SPrintf("/etc/sterm.rc");
 763     if (loadConfig(configfile) == 0) goto cfgdone;
 764     free(configfile); configfile = NULL;
 765     //
 766     configfile = SPrintf("/etc/sterm/sterm.rc");
 767     if (loadConfig(configfile) == 0) goto cfgdone;
 768     free(configfile); configfile = NULL;
 769     //
 770     configfile = SPrintf("./.sterm.rc");
 771     if (loadConfig(configfile) == 0) goto cfgdone;
 772     free(configfile); configfile = NULL;
 773     // no config
 774   } else {
 775     if (loadConfig(configfile) < 0) k8t_die("config file '%s' not found!", configfile);
 776   }
 777 cfgdone:
 778   if (configfile != NULL) free(configfile); configfile = NULL;
 779   //
 780   for (int f = 1; f < argc; f++) {
 781     if (strcmp(argv[f], "-name") == 0) { ++f; continue; }
 782     if (strcmp(argv[f], "-into") == 0 || strcmp(argv[f], "-embed") == 0) {
 783       if (opt_embed) free(opt_embed);
 784       opt_embed = strdup(argv[f]);
 785       continue;
 786     }
 787     switch (argv[f][0] != '-' || argv[f][2] ? -1 : argv[f][1]) {
 788       case 't':
 789         if (++f < argc) {
 790           free(opt_title);
 791           opt_title = strdup(argv[f]);
 792         }
 793         break;
 794       case 'c':
 795         if (++f < argc) {
 796           free(opt_class);
 797           opt_class = strdup(argv[f]);
 798         }
 799         break;
 800       case 'w':
 801         if (++f < argc) {
 802           if (opt_embed) free(opt_embed);
 803           opt_embed = strdup(argv[f]);
 804         }
 805         break;
 806       case 'R':
 807         if (++f < argc) runcmd = argv[f];
 808         break;
 809       case 'e':
 810         /* eat all remaining arguments */
 811         if (++f < argc) opt_cmd = &argv[f];
 812         f = argc+1;
 813       case 'T':
 814       case 'C':
 815       case 'l':
 816         ++f;
 817         break;
 818       case 'S':
 819         break;
 820     }
 821   }
 822   //
 823   setenv("TERM", opt_term, 1);
 824   mclock_init();
 825   setlocale(LC_ALL, "");
 826   initLCConversion();
 827   summonChildKiller();
 828   updateTabBar = 1;
 829   termidx = 0;
 830   curterm = k8t_termalloc();
 831   k8t_tmInitialize(curterm, 80, 25, opt_maxhistory);
 832   // pixmap will be created in xinit()
 833   if (K8T_DATA(curterm)->execcmd != NULL) { free(K8T_DATA(curterm)->execcmd); K8T_DATA(curterm)->execcmd = NULL; }
 834   if (k8t_ttyNew(curterm) != 0) k8t_die("can't run process");
 835   opt_cmd = NULL;
 836   xinit();
 837   k8t_selInit(curterm);
 838   if (runcmd != NULL) executeCommands(runcmd);
 839   run();
 840   return 0;
 841 }