src/sterm.c

   1 /* See LICENSE for licence details. */
   2 #ifndef GIT_VERSION
   3 # define VERSION  "0.4.0.beta2"
   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 #include <pty.h>
  21 #include <stdarg.h>
  22 #include <stdint.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <strings.h>
  27 #include <signal.h>
  28 #include <sys/ioctl.h>
  29 #include <sys/select.h>
  30 #include <sys/stat.h>
  31 #include <sys/time.h>
  32 #include <sys/types.h>
  33 #include <sys/wait.h>
  34 #include <time.h>
  35 #include <unistd.h>
  36 #include <X11/Xatom.h>
  37 #include <X11/Xlib.h>
  38 #include <X11/Xutil.h>
  39 #include <X11/cursorfont.h>
  40 #include <X11/keysym.h>
  41
  42 ////////////////////////////////////////////////////////////////////////////////
  43 #include "libk8sterm/k8sterm.h"
  44
  45
  46 ////////////////////////////////////////////////////////////////////////////////
  47 #include "defaults.c"
  48
  49
  50 ////////////////////////////////////////////////////////////////////////////////
  51 #define USAGE_VERSION  "k8sterm " VERSION "\n(c) 2010-2012 st engineers and Ketmar // Vampire Avalon\n"
  52 #define USAGE \
  53   "usage: sterm [options]\n" \
  54   "options:\n" \
  55   "-v              show version and exit\n" \
  56   "-h              show this help and exit\n" \
  57   "-S              disable tabs\n" \
  58   "-t title        set window title\n" \
  59   "-c class        set window class\n" \
  60   "-w windowid     embed in window id given id\n" \
  61   "-T termname     set TERM name\n" \
  62   "-C config_file  use custom config file\n" \
  63   "-l langiconv    use given locale\n" \
  64   "-R stcmd        run this INTERNAL k8sterm command\n" \
  65   "-e command...   run given command and pass all following args to it\n"
  66
  67
  68 ////////////////////////////////////////////////////////////////////////////////
  69 /* masks for key translation */
  70 #define XK_NO_MOD   (UINT_MAX)
  71 #define XK_ANY_MOD  (0)
  72
  73
  74 ////////////////////////////////////////////////////////////////////////////////
  75 // internal command line mode
  76 enum {
  77   K8T_CMDMODE_NONE,
  78   K8T_CMDMODE_INPUT,
  79   K8T_CMDMODE_MESSAGE
  80 };
  81
  82
  83 // X11 window state flags
  84 enum {
  85   K8T_WIN_VISIBLE = 0x01,
  86   K8T_WIN_REDRAW  = 0x02,
  87   K8T_WIN_FOCUSED = 0x04
  88 };
  89
  90
  91 ////////////////////////////////////////////////////////////////////////////////
  92 /* Purely graphic info */
  93 typedef struct {
  94   Display *dpy;
  95   Colormap cmap;
  96   Window win;
  97   Cursor cursor; // text cursor
  98   Cursor defcursor; // 'default' cursor
  99   Cursor lastcursor; // last used cursor before blanking
 100   Cursor blankPtr;
 101   Atom xembed;
 102   XIM xim;
 103   XIC xic;
 104   int scr;
 105   int w;      /* window width */
 106   int h;      /* window height */
 107   int bufw;   /* pixmap width */
 108   int bufh;   /* pixmap height */
 109   int ch;     /* char height */
 110   int cw;     /* char width */
 111   char state; /* focus, redraw, visible */
 112   //
 113   int tch;    /* tab text char height */
 114   Pixmap pictab;
 115   int tabheight;
 116   //struct timeval lastdraw;
 117 } K8TXWindow;
 118
 119
 120 /* Drawing Context */
 121 typedef struct {
 122   uint32_t *ncol; // normal colors
 123   uint32_t *bcol; // b/w colors
 124   uint32_t *gcol; // green colors
 125   uint32_t *clrs[3];
 126   GC gc;
 127   struct {
 128     int ascent;
 129     int descent;
 130     short lbearing;
 131     short rbearing;
 132     XFontSet set;
 133     Font fid;
 134   } font[3];
 135 } K8TXDC;
 136
 137
 138 typedef struct K8TCmdLine K8TCmdLine;
 139 typedef struct K8Term K8Term;
 140
 141 typedef void (*CmdLineExecFn) (K8Term *term, K8TCmdLine *cmdline, int cancelled);
 142
 143 struct K8TCmdLine {
 144   int cmdMode; // K8T_CMDMODE_xxx
 145   char cmdline[K8T_UTF_SIZ*CMDLINE_SIZE];
 146   int cmdreslen; // byte length of 'reserved' (read-only) part
 147   int cmdofs; // byte offset of the first visible UTF-8 char in cmdline
 148   char cmdc[K8T_UTF_SIZ+1]; // buffer to collect UTF-8 char
 149   int cmdcl; // index in cmdc, used to collect UTF-8 chars
 150   int cmdtabpos; // # of bytes (not UTF-8 chars!) used in autocompletion or -1
 151   const char *cmdcurtabc; // current autocompleted command
 152   CmdLineExecFn cmdexecfn;
 153   void *udata;
 154 };
 155
 156
 157 /* internal terminal data */
 158 typedef struct {
 159   pid_t pid;
 160   int exitcode;
 161   //
 162   int waitkeypress; /* child is dead, awaiting for keypress */
 163   char *exitmsg; /* message for waitkeypress */
 164   //
 165   char *execcmd;
 166   //
 167   int picalloced;
 168   Pixmap picbuf;
 169   int picbufw;
 170   int picbufh;
 171   //
 172   K8TCmdLine cmdline;
 173 } K8TermData;
 174
 175 #define K8T_DATA(_term)  ((K8TermData *)(_term->udata))
 176
 177
 178 ////////////////////////////////////////////////////////////////////////////////
 179 #include "globals.c"
 180 #include "getticks.c"
 181
 182
 183 ////////////////////////////////////////////////////////////////////////////////
 184 #include "utils.c"
 185 #include "keymaps.c"
 186
 187
 188 ////////////////////////////////////////////////////////////////////////////////
 189 static void executeCommands (const char *str);
 190 static const char *findCommandCompletion (const char *str, int slen, const char *prev);
 191
 192 static void tdrawfatalmsg (K8Term *term, const char *msg);
 193
 194 static void tcmdput (K8Term *term, K8TCmdLine *cmdline, const char *s, int len);
 195
 196 static void xclearunused (void);
 197 static void xseturgency (int add);
 198 static void xfixsel (void);
 199 static void xblankPointer (void);
 200 static void xunblankPointer (void);
 201 static void xdrawTabBar (void);
 202 static void xdrawcmdline (K8Term *term, K8TCmdLine *cmdline, int scry);
 203
 204 static void termCreateXPixmap (K8Term *term);
 205 static void termSetCallbacks (K8Term *term);
 206 static void termSetDefaults (K8Term *term);
 207
 208 static void getButtonInfo (K8Term *term, XEvent *e, int *b, int *x, int *y);
 209
 210 static void fixWindowTitle (const K8Term *t);
 211
 212 static void scrollHistory (K8Term *term, int delta);
 213
 214
 215 ////////////////////////////////////////////////////////////////////////////////
 216 static inline uint32_t getColor (int idx) {
 217   if (globalBW && (curterm == NULL || !curterm->blackandwhite)) return dc.clrs[globalBW][idx];
 218   if (curterm != NULL) return dc.clrs[curterm->blackandwhite%3][idx];
 219   return dc.clrs[0][idx];
 220 }
 221
 222
 223 ////////////////////////////////////////////////////////////////////////////////
 224 #include "iniparse.c"
 225 #include "locales.c"
 226
 227
 228 ////////////////////////////////////////////////////////////////////////////////
 229 #include "termswitch.c"
 230 #include "ttyinit.c"
 231
 232
 233 ////////////////////////////////////////////////////////////////////////////////
 234 #include "tcmdline.c"
 235 #include "tfatalbox.c"
 236
 237
 238 ////////////////////////////////////////////////////////////////////////////////
 239 #include "x11init.c"
 240 #include "x11misc.c"
 241 #include "x11drawtabs.c"
 242 #include "x11drawcmdline.c"
 243
 244
 245 ////////////////////////////////////////////////////////////////////////////////
 246 #include "x11evtvis.c"
 247 #include "x11evtkbd.c"
 248 #include "x11evtsel.c"
 249 #include "x11evtmouse.c"
 250
 251
 252 ////////////////////////////////////////////////////////////////////////////////
 253 #include "x11CB.c"
 254
 255
 256 ////////////////////////////////////////////////////////////////////////////////
 257 // xembed?
 258 static void xevtcbcmessage (XEvent *e) {
 259   /* See xembed specs http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
 260   if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
 261     if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
 262       xw.state |= K8T_WIN_FOCUSED;
 263       xseturgency(0);
 264       k8t_tmSendFocusEvent(curterm, 1);
 265     } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
 266       xw.state &= ~K8T_WIN_FOCUSED;
 267       k8t_tmSendFocusEvent(curterm, 0);
 268     }
 269     k8t_drawCursor(curterm, 0);
 270     xdrawTabBar();
 271     k8t_drawCopy(curterm, 0, 0, curterm->col, curterm->row);
 272     return;
 273   }
 274   //
 275   if (e->xclient.data.l[0] == XA_WM_DELETE_WINDOW) {
 276     closeRequestComes = 1;
 277     return;
 278   }
 279 }
 280
 281
 282 ////////////////////////////////////////////////////////////////////////////////
 283 static inline int last_draw_too_old (void) {
 284   K8TTimeMSec tt = mclock_ticks();
 285   //
 286   if (curterm != NULL) {
 287     if (curterm->dead || !curterm->wantRedraw) return 0;
 288     //
 289     return
 290       (tt-curterm->lastDrawTime >= opt_drawtimeout ||
 291        tt-lastDrawTime >= (curterm->justSwapped ? opt_swapdrawtimeout : opt_maxdrawtimeout));
 292   }
 293   return (tt-lastDrawTime >= opt_maxdrawtimeout);
 294 }
 295
 296
 297 ////////////////////////////////////////////////////////////////////////////////
 298 // main loop
 299 static void (*handler[LASTEvent])(XEvent *) = {
 300   [KeyPress] = xevtcbkpress,
 301   [ClientMessage] = xevtcbcmessage,
 302   [ConfigureNotify] = xevtcbresise,
 303   [VisibilityNotify] = xevtcbvisibility,
 304   [UnmapNotify] = xevtcbunmap,
 305   [Expose] = xevtcbexpose,
 306   [FocusIn] = xevtcbfocus,
 307   [FocusOut] = xevtcbfocus,
 308   [MotionNotify] = xevtcbbmotion,
 309   [ButtonPress] = xevtcbbpress,
 310   [ButtonRelease] = xevtcbbrelease,
 311   [SelectionNotify] = xevtcbselnotify,
 312   [SelectionRequest] = xevtcbselrequest,
 313   [SelectionClear] = xevtcbselclear,
 314 };
 315
 316
 317 static void run (void) {
 318   //int stuff_to_print = 0;
 319   int xfd = XConnectionNumber(xw.dpy);
 320   //
 321   ptrLastMove = mclock_ticks();
 322   while (term_count > 0) {
 323     XEvent ev;
 324     fd_set rfd, wfd;
 325     struct timeval timeout;
 326     int maxfd = xfd;
 327     int dodraw;
 328     //
 329     FD_ZERO(&rfd);
 330     FD_ZERO(&wfd);
 331     FD_SET(xfd, &rfd);
 332     //FD_SET(curterm->cmdfd, &rfd);
 333     // have something to write?
 334     for (int f = 0; f < term_count; ++f) {
 335       K8Term *t = term_array[f];
 336       //
 337       if (!t->dead && t->cmdfd >= 0) {
 338         if (t->cmdfd > maxfd) maxfd = t->cmdfd;
 339         FD_SET(t->cmdfd, &rfd);
 340         if (K8T_DATA(t)->pid != 0 && t->wrbufpos < t->wrbufused) FD_SET(t->cmdfd, &wfd);
 341       }
 342     }
 343     //
 344     timeout.tv_sec = 0;
 345     timeout.tv_usec = (opt_drawtimeout+2)*1000;
 346     //fprintf(stderr, "before select...\n");
 347     if (select(maxfd+1, &rfd, &wfd, NULL, &timeout) < 0) {
 348       if (errno == EINTR) continue;
 349       k8t_die("select failed: %s", strerror(errno));
 350     }
 351     //fprintf(stderr, "after select...\n");
 352     // process terminals i/o
 353     for (int f = 0; f < term_count; ++f) {
 354       K8Term *t = term_array[f];
 355       //
 356       if (!t->dead && t->cmdfd >= 0) {
 357         int rd = -1;
 358         //
 359         if (K8T_DATA(t)->pid != 0 && FD_ISSET(t->cmdfd, &wfd)) k8t_ttyFlushWriteBuf(t);
 360         if (FD_ISSET(t->cmdfd, &rfd)) rd = k8t_ttyRead(t);
 361         //
 362         if (K8T_DATA(t)->waitkeypress && K8T_DATA(t)->exitmsg != NULL && rd < 0) {
 363           // there will be no more data
 364           close(t->cmdfd);
 365           t->cmdfd = -1;
 366           //
 367           tdrawfatalmsg(t, K8T_DATA(t)->exitmsg);
 368           free(K8T_DATA(t)->exitmsg);
 369           K8T_DATA(t)->exitmsg = NULL;
 370           k8t_tmWantRedraw(t, 1);
 371         }
 372       }
 373     }
 374     //
 375     termcleanup();
 376     if (term_count == 0) exit(exitcode);
 377     //
 378     dodraw = 0;
 379     if (curterm != NULL && curterm->curblink > 0) {
 380       K8TTimeMSec tt = mclock_ticks();
 381       //
 382       if (tt-curterm->lastBlinkTime >= curterm->curblink) {
 383         curterm->lastBlinkTime = tt;
 384         if ((xw.state&K8T_WIN_FOCUSED) || curterm->curblinkinactive) {
 385           curterm->curbhidden = (curterm->curbhidden ? 0 : -1);
 386           dodraw = 1;
 387         } else {
 388           curterm->curbhidden = 0;
 389         }
 390       }
 391     }
 392     if (updateTabBar) xdrawTabBar();
 393     if (dodraw || last_draw_too_old()) k8t_drawTerm(curterm, 0);
 394     //
 395     if (XPending(xw.dpy)) {
 396       while (XPending(xw.dpy)) {
 397         XNextEvent(xw.dpy, &ev);
 398         switch (ev.type) {
 399           //case VisibilityNotify:
 400           //case UnmapNotify:
 401           //case FocusIn:
 402           //case FocusOut:
 403           case MotionNotify:
 404           case ButtonPress:
 405           case ButtonRelease:
 406             xunblankPointer();
 407             ptrLastMove = mclock_ticks();
 408             break;
 409           default: ;
 410         }
 411         if (XFilterEvent(&ev, xw.win)) continue;
 412         if (handler[ev.type]) (handler[ev.type])(&ev);
 413       }
 414     }
 415     //
 416     if (curterm != NULL) {
 417       switch (closeRequestComes) {
 418         case 1: // just comes
 419           if (opt_ignoreclose == 0) {
 420             tcmdlinehide(curterm, &K8T_DATA(curterm)->cmdline);
 421             tcmdlineinitex(curterm, &K8T_DATA(curterm)->cmdline, "Do you really want to close sterm [Y/n]? ");
 422             K8T_DATA(curterm)->cmdline.cmdexecfn = cmdline_closequeryexec;
 423           } else if (opt_ignoreclose < 0) {
 424             //FIXME: kill all clients?
 425             return;
 426           }
 427           closeRequestComes = 0;
 428           break;
 429         case 2: // ok, die now
 430           //FIXME: kill all clients?
 431           return;
 432       }
 433     }
 434     //
 435     if (!ptrBlanked && opt_ptrblank > 0 && mclock_ticks()-ptrLastMove >= opt_ptrblank) {
 436       xblankPointer();
 437     }
 438   }
 439 }
 440
 441
 442 ////////////////////////////////////////////////////////////////////////////////
 443 static void termSetDefaults (K8Term *term) {
 444   term->deffg = defaultFG;
 445   term->defbg = defaultBG;
 446   term->defboldfg = defaultBoldFG;
 447   term->defunderfg = defaultUnderlineFG;
 448   //
 449   term->defcurfg = defaultCursorFG;
 450   term->defcurbg = defaultCursorBG;
 451   term->defcurinactivefg = defaultCursorInactiveFG;
 452   term->defcurinactivebg = defaultCursorInactiveBG;
 453   //
 454   term->tabsize = opt_tabsize;
 455 }
 456
 457
 458 static void termSetCallbacks (K8Term *term) {
 459   K8TermData *td = calloc(1, sizeof(K8TermData));
 460   //
 461   if (td == NULL) k8t_die("out of memory!");
 462   term->udata = td;
 463   //
 464   term->clockTicks = clockTicksCB;
 465   term->setLastDrawTime = setLastDrawTimeCB;
 466   //
 467   term->isConversionNecessary = isConversionNecessaryCB;
 468   term->loc2utf = loc2utfCB;
 469   term->utf2loc = utf2locCB;
 470   //
 471   term->isFocused = isFocusedCB;
 472   term->isVisible = isVisibleCB;
 473   //
 474   term->drawSetFG = drawSetFGCB;
 475   term->drawSetBG = drawSetBGCB;
 476   term->drawRect = drawRectCB;
 477   term->drawFillRect = drawFillRectCB;
 478   term->drawCopyArea = drawCopyAreaCB;
 479   term->drawString = drawStringCB;
 480   term->drawOverlay = drawOverlayCB;
 481   //
 482   term->fixSelection = fixSelectionCB;
 483   term->clearSelection = clearSelectionCB;
 484   //
 485   term->titleChanged = titleChangedCB;
 486   term->doBell = doBellCB;
 487   //
 488   term->isUnderOverlay = isUnderOverlayCB;
 489   term->clipToOverlay = clipToOverlayCB;
 490   //
 491   term->unimap = unimap;
 492   td->execcmd = NULL;
 493 }
 494
 495
 496 static void termCreateXPixmap (K8Term *term) {
 497   K8TermData *td = K8T_DATA(term);
 498   Pixmap newbuf;
 499   int oldw = td->picbufw, oldh = td->picbufh;
 500   //
 501   td->picbufw = K8T_MAX(1, term->col*xw.cw);
 502   td->picbufh = K8T_MAX(1, term->row*xw.ch);
 503   //
 504   newbuf = XCreatePixmap(xw.dpy, xw.win, td->picbufw, td->picbufh, XDefaultDepth(xw.dpy, xw.scr));
 505   //
 506   if (td->picalloced) {
 507     XCopyArea(xw.dpy, td->picbuf, newbuf, dc.gc, 0, 0, td->picbufw, td->picbufh, 0, 0);
 508     XFreePixmap(xw.dpy, td->picbuf);
 509   }
 510   //
 511   term->drawSetFG(term, term->defbg);
 512   //
 513   if (td->picalloced) {
 514     if (td->picbufw > oldw) {
 515       XFillRectangle(xw.dpy, newbuf, dc.gc, oldw, 0, td->picbufw-oldw, K8T_MIN(td->picbufh, oldh));
 516     } else if (td->picbufw < oldw && xw.w > td->picbufw) {
 517       XClearArea(xw.dpy, xw.win, td->picbufw, 0, xw.w-td->picbufh, K8T_MIN(td->picbufh, oldh), False);
 518     }
 519     //
 520     if (td->picbufh > oldh) {
 521       XFillRectangle(xw.dpy, newbuf, dc.gc, 0, oldh, td->picbufw, td->picbufh-oldh);
 522     } else if (td->picbufh < oldh && xw.h > td->picbufh) {
 523       XClearArea(xw.dpy, xw.win, 0, td->picbufh, xw.w, xw.h-td->picbufh, False);
 524     }
 525   } else {
 526     XFillRectangle(xw.dpy, newbuf, dc.gc, 0, 0, td->picbufw, td->picbufh);
 527   }
 528   //
 529   td->picalloced = 1;
 530   td->picbuf = newbuf;
 531   //
 532   k8t_tmFullDirty(term);
 533 }
 534
 535
 536 ////////////////////////////////////////////////////////////////////////////////
 537 #include "inifile.c"
 538 #include "commands.c"
 539
 540
 541 ////////////////////////////////////////////////////////////////////////////////
 542 #include "childkiller.c"
 543
 544
 545 ////////////////////////////////////////////////////////////////////////////////
 546 #define PUSH_BACK(_c)  (*ress)[dpos++] = (_c)
 547 #define DECODE_TUPLE(tuple,bytes) \
 548   for (tmp = bytes; tmp > 0; tmp--, tuple = (tuple & 0x00ffffff)<<8) \
 549     PUSH_BACK((char)((tuple >> 24)&0xff))
 550
 551 // returns ress length
 552 static int ascii85Decode (char **ress, const char *srcs/*, int start, int length*/) {
 553   static uint32_t pow85[5] = { 85*85*85*85UL, 85*85*85UL, 85*85UL, 85UL, 1UL };
 554   const uint8_t *data = (const uint8_t *)srcs;
 555   int len = strlen(srcs);
 556   uint32_t tuple = 0;
 557   int count = 0, c = 0;
 558   int dpos = 0;
 559   int start = 0, length = len;
 560   int tmp;
 561   //
 562   if (start < 0) start = 0; else { len -= start; data += start; }
 563   if (length < 0 || len < length) length = len;
 564   /*
 565   if (length > 0) {
 566     int xlen = 4*((length+4)/5);
 567     kstringReserve(ress, xlen);
 568   }
 569   */
 570   //
 571   *ress = (char *)calloc(1, len+1);
 572   for (int f = length; f > 0; --f, ++data) {
 573     c = *data;
 574     if (c <= ' ') continue; // skip blanks
 575     switch (c) {
 576       case 'z': // zero tuple
 577       if (count != 0) {
 578         //fprintf(stderr, "%s: z inside ascii85 5-tuple\n", file);
 579         free(*ress);
 580         *ress = NULL;
 581         return -1;
 582       }
 583       PUSH_BACK('\0');
 584       PUSH_BACK('\0');
 585       PUSH_BACK('\0');
 586       PUSH_BACK('\0');
 587       break;
 588     case '~': // '~>': end of sequence
 589       if (f < 1 || data[1] != '>') { free(*ress); return -2; } // error
 590       if (count > 0) { f = -1; break; }
 591     default:
 592       if (c < '!' || c > 'u') {
 593         //fprintf(stderr, "%s: bad character in ascii85 region: %#o\n", file, c);
 594         free(*ress);
 595         return -3;
 596       }
 597       tuple += ((uint8_t)(c-'!'))*pow85[count++];
 598       if (count == 5) {
 599         DECODE_TUPLE(tuple, 4);
 600         count = 0;
 601         tuple = 0;
 602       }
 603       break;
 604     }
 605   }
 606   // write last (possibly incomplete) tuple
 607   if (count-- > 0) {
 608     tuple += pow85[count];
 609     DECODE_TUPLE(tuple, count);
 610   }
 611   return dpos;
 612 }
 613
 614 #undef PUSH_BACK
 615 #undef DECODE_TUPLE
 616
 617
 618 static void decodeBA (char *str, int len) {
 619   char pch = 42;
 620   //
 621   for (int f = 0; f < len; ++f, ++str) {
 622     char ch = *str;
 623     //
 624     ch = (ch-f-1)^pch;
 625     *str = ch;
 626     pch = ch;
 627   }
 628 }
 629
 630
 631 static void printEC (const char *txt) {
 632   char *dest;
 633   int len;
 634   //
 635   if ((len = ascii85Decode(&dest, txt)) >= 0) {
 636     decodeBA(dest, len);
 637     fprintf(stderr, "%s\n", dest);
 638     free(dest);
 639   }
 640 }
 641
 642
 643 static int isStr85Equ (const char *txt, const char *str) {
 644   char *dest;
 645   int len, res = 0;
 646   //
 647   if (str != NULL && str[0] && (len = ascii85Decode(&dest, txt)) >= 0) {
 648     if (len > 0) res = (strcmp(dest+1, str+1) == 0);
 649     free(dest);
 650   }
 651   return res;
 652 }
 653
 654
 655 static int checkEGG (const char *str) {
 656   if (isStr85Equ("06:]JASq", str) || isStr85Equ("0/i", str)) {
 657     printEC(
 658       "H8lZV&6)1>+AZ>m)Cf8;A1/cP+CnS)0OJ`X.QVcHA4^cc5r3=m1c%0D3&c263d?EV6@4&>"
 659       "3DYQo;c-FcO+UJ;MOJ$TAYO@/FI]+B?C.L$>%:oPAmh:4Au)>AAU/H;ZakL2I!*!%J;(AK"
 660       "NIR#5TXgZ6c'F1%^kml.JW5W8e;ql0V3fQUNfKpng6ppMf&ip-VOX@=jKl;#q\"DJ-_>jG"
 661       "8#L;nm]!q;7c+hR6p;tVY#J8P$aTTK%c-OT?)<00,+q*8f&ff9a/+sbU,:`<H*[fk0o]7k"
 662       "^l6nRkngc6Tl2Ngs!!P2I%KHG=7n*an'bsgn>!*8s7TLTC+^\\\"W+<=9^%Ol$1A1eR*Be"
 663       "gqjEag:M0OnrC4FBY5@QZ&'HYYZ#EHs8t4$5]!22QoJ3`;-&=\\DteO$d6FBqT0E@:iu?N"
 664       "a5ePUf^_uEEcjTDKfMpX/9]DFL8N-Ee;*8C5'WgbGortZuh1\\N0;/rJB6'(MSmYiS\"6+"
 665       "<NK)KDV3e+Ad[@).W:%.dd'0h=!QUhghQaNNotIZGrpHr-YfEuUpsKW<^@qlZcdTDA!=?W"
 666       "Yd+-^`'G8Or)<0-T&CT.i+:mJp(+/M/nLaVb#5$p2jR2<rl7\"XlngcN`mf,[4oK5JLr\\"
 667       "m=X'(ue;'*1ik&/@T4*=j5t=<&/e/Q+2=((h`>>uN(#>&#i>2/ajK+=eib1coVe3'D)*75"
 668       "m_h;28^M6p6*D854Jj<C^,Q8Wd\"O<)&L/=C$lUAQNN<=eTD:A6kn-=EItXSss.tAS&!;F"
 669       "EsgpJTHIYNNnh'`kmX^[`*ELOHGcWbfPOT`J]A8P`=)AS;rYlR$\"-.RG440lK5:Dg?G'2"
 670       "['dE=nEm1:k,,Se_=%-6Z*L^J[)EC"
 671     );
 672     return 1;
 673   }
 674   if (isStr85Equ("04Jj?B)", str)) {
 675     printEC(
 676       "IPaSa(`c:T,o9Bq3\\)IY++?+!-S9%P0/OkjE&f$l.OmK'Ai2;ZHn[<,6od7^8;)po:HaP"
 677       "m<'+&DRS:/1L7)IA7?WI$8WKTUB2tXg>Zb$.?\"@AIAu;)6B;2_PB5M?oBPDC.F)606Z$V"
 678       "=ONd6/5P*LoWKTLQ,d@&;+Ru,\\ESY*rg!l1XrhpJ:\"WKWdOg?l;=RHE:uU9C?aotBqj]"
 679       "=k8cZ`rp\"ZO=GjkfD#o]Z\\=6^]+Gf&-UFthT*hN"
 680     );
 681     return 1;
 682   }
 683   if (isStr85Equ("04o69A7Tr", str)) {
 684     printEC(
 685       "Ag7d[&R#Ma9GVV5,S(D;De<T_+W).?,%4n+3cK=%4+0VN@6d\")E].np7l?8gF#cWF7SS_m"
 686       "4@V\\nQ;h!WPD2h#@\\RY&G\\LKL=eTP<V-]U)BN^b.DffHkTPnFcCN4B;]8FCqI!p1@H*_"
 687       "jHJ<%g']RG*MLqCrbP*XbNL=4D1R[;I(c*<FuesbWmSCF1jTW+rplg;9[S[7eDVl6YsjT"
 688     );
 689     return 1;
 690   }
 691   return 0;
 692 }
 693
 694
 695 ////////////////////////////////////////////////////////////////////////////////
 696 int main (int argc, char *argv[]) {
 697   char *configfile = NULL;
 698   char *runcmd = NULL;
 699   //
 700   //dbgLogInit();
 701   //
 702   for (int f = 1; f < argc; f++) {
 703     if (argv[f][0] == '-' && checkEGG(argv[f])) exit(1);
 704     if (strcmp(argv[f], "-name") == 0) { ++f; continue; }
 705     if (strcmp(argv[f], "-into") == 0) { ++f; continue; }
 706     if (strcmp(argv[f], "-embed") == 0) { ++f; continue; }
 707     switch (argv[f][0] != '-' || argv[f][2] ? -1 : argv[f][1]) {
 708       case 'e': f = argc+1; break;
 709       case 't':
 710       case 'c':
 711       case 'w':
 712       case 'b':
 713       case 'R':
 714         ++f;
 715         break;
 716       case 'T':
 717         if (++f < argc) {
 718           free(opt_term);
 719           opt_term = strdup(argv[f]);
 720           opt_term_locked = 1;
 721         }
 722         break;
 723       case 'C':
 724         if (++f < argc) {
 725           if (configfile != NULL) free(configfile);
 726           configfile = strdup(argv[f]);
 727         }
 728         break;
 729       case 'l':
 730         if (++f < argc) cliLocale = argv[f];
 731         break;
 732       case 'S': // single-tab mode
 733         opt_disabletabs = 1;
 734         break;
 735       case 'v':
 736         fprintf(stderr, "%s", USAGE_VERSION);
 737         exit(EXIT_FAILURE);
 738       case 'h':
 739       default:
 740         fprintf(stderr, "%s%s", USAGE_VERSION, USAGE);
 741         exit(EXIT_FAILURE);
 742     }
 743   }
 744   //
 745   initDefaultOptions();
 746   if (configfile == NULL) {
 747     const char *home = getenv("HOME");
 748     //
 749     if (home != NULL) {
 750       configfile = SPrintf("%s/.sterm.rc", home);
 751       if (loadConfig(configfile) == 0) goto cfgdone;
 752       free(configfile); configfile = NULL;
 753       //
 754       configfile = SPrintf("%s/.config/sterm.rc", home);
 755       if (loadConfig(configfile) == 0) goto cfgdone;
 756       free(configfile); configfile = NULL;
 757     }
 758     //
 759     configfile = SPrintf("/etc/sterm.rc");
 760     if (loadConfig(configfile) == 0) goto cfgdone;
 761     free(configfile); configfile = NULL;
 762     //
 763     configfile = SPrintf("/etc/sterm/sterm.rc");
 764     if (loadConfig(configfile) == 0) goto cfgdone;
 765     free(configfile); configfile = NULL;
 766     //
 767     configfile = SPrintf("./.sterm.rc");
 768     if (loadConfig(configfile) == 0) goto cfgdone;
 769     free(configfile); configfile = NULL;
 770     // no config
 771   } else {
 772     if (loadConfig(configfile) < 0) k8t_die("config file '%s' not found!", configfile);
 773   }
 774 cfgdone:
 775   if (configfile != NULL) free(configfile); configfile = NULL;
 776   //
 777   for (int f = 1; f < argc; f++) {
 778     if (strcmp(argv[f], "-name") == 0) { ++f; continue; }
 779     if (strcmp(argv[f], "-into") == 0 || strcmp(argv[f], "-embed") == 0) {
 780       if (opt_embed) free(opt_embed);
 781       opt_embed = strdup(argv[f]);
 782       continue;
 783     }
 784     switch (argv[f][0] != '-' || argv[f][2] ? -1 : argv[f][1]) {
 785       case 't':
 786         if (++f < argc) {
 787           free(opt_title);
 788           opt_title = strdup(argv[f]);
 789         }
 790         break;
 791       case 'c':
 792         if (++f < argc) {
 793           free(opt_class);
 794           opt_class = strdup(argv[f]);
 795         }
 796         break;
 797       case 'w':
 798         if (++f < argc) {
 799           if (opt_embed) free(opt_embed);
 800           opt_embed = strdup(argv[f]);
 801         }
 802         break;
 803       case 'R':
 804         if (++f < argc) runcmd = argv[f];
 805         break;
 806       case 'e':
 807         /* eat all remaining arguments */
 808         if (++f < argc) opt_cmd = &argv[f];
 809         f = argc+1;
 810       case 'T':
 811       case 'C':
 812       case 'l':
 813         ++f;
 814         break;
 815       case 'S':
 816         break;
 817     }
 818   }
 819   //
 820   setenv("TERM", opt_term, 1);
 821   mclock_init();
 822   setlocale(LC_ALL, "");
 823   initLCConversion();
 824   summonChildKiller();
 825   updateTabBar = 1;
 826   termidx = 0;
 827   curterm = k8t_termalloc();
 828   k8t_tmInitialize(curterm, 80, 25, opt_maxhistory);
 829   // pixmap will be created in xinit()
 830   if (K8T_DATA(curterm)->execcmd != NULL) { free(K8T_DATA(curterm)->execcmd); K8T_DATA(curterm)->execcmd = NULL; }
 831   if (k8t_ttyNew(curterm) != 0) k8t_die("can't run process");
 832   opt_cmd = NULL;
 833   xinit();
 834   k8t_selInit(curterm);
 835   if (runcmd != NULL) executeCommands(runcmd);
 836   run();
 837   return 0;
 838 }