x.c (49808B)
1 /* See LICENSE for license details. */ 2 #include <errno.h> 3 #include <math.h> 4 #include <limits.h> 5 #include <locale.h> 6 #include <signal.h> 7 #include <sys/select.h> 8 #include <time.h> 9 #include <unistd.h> 10 #include <libgen.h> 11 #include <X11/Xatom.h> 12 #include <X11/Xlib.h> 13 #include <X11/cursorfont.h> 14 #include <X11/keysym.h> 15 #include <X11/Xft/Xft.h> 16 #include <X11/XKBlib.h> 17 18 char *argv0; 19 #include "arg.h" 20 #include "st.h" 21 #include "win.h" 22 #include "hb.h" 23 24 /* types used in config.h */ 25 typedef struct { 26 uint mod; 27 KeySym keysym; 28 void (*func)(const Arg *); 29 const Arg arg; 30 } Shortcut; 31 32 typedef struct { 33 uint mod; 34 uint button; 35 void (*func)(const Arg *); 36 const Arg arg; 37 uint release; 38 } MouseShortcut; 39 40 typedef struct { 41 KeySym k; 42 uint mask; 43 char *s; 44 /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ 45 signed char appkey; /* application keypad */ 46 signed char appcursor; /* application cursor */ 47 } Key; 48 49 /* X modifiers */ 50 #define XK_ANY_MOD UINT_MAX 51 #define XK_NO_MOD 0 52 #define XK_SWITCH_MOD (1<<13|1<<14) 53 54 /* function definitions used in config.h */ 55 static void clipcopy(const Arg *); 56 static void clippaste(const Arg *); 57 static void numlock(const Arg *); 58 static void selpaste(const Arg *); 59 static void zoom(const Arg *); 60 static void zoomabs(const Arg *); 61 static void zoomreset(const Arg *); 62 static void ttysend(const Arg *); 63 64 /* config.h for applying patches and the configuration. */ 65 #include "config.h" 66 67 /* XEMBED messages */ 68 #define XEMBED_FOCUS_IN 4 69 #define XEMBED_FOCUS_OUT 5 70 71 /* macros */ 72 #define IS_SET(flag) ((win.mode & (flag)) != 0) 73 #define TRUERED(x) (((x) & 0xff0000) >> 8) 74 #define TRUEGREEN(x) (((x) & 0xff00)) 75 #define TRUEBLUE(x) (((x) & 0xff) << 8) 76 77 typedef XftDraw *Draw; 78 typedef XftColor Color; 79 typedef XftGlyphFontSpec GlyphFontSpec; 80 81 /* Purely graphic info */ 82 typedef struct { 83 int tw, th; /* tty width and height */ 84 int w, h; /* window width and height */ 85 int ch; /* char height */ 86 int cw; /* char width */ 87 int mode; /* window state/mode flags */ 88 int cursor; /* cursor style */ 89 } TermWindow; 90 91 typedef struct { 92 Display *dpy; 93 Colormap cmap; 94 Window win; 95 Drawable buf; 96 GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ 97 Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid; 98 struct { 99 XIM xim; 100 XIC xic; 101 XPoint spot; 102 XVaNestedList spotlist; 103 } ime; 104 Draw draw; 105 Visual *vis; 106 XSetWindowAttributes attrs; 107 int scr; 108 int isfixed; /* is fixed geometry? */ 109 int l, t; /* left and top offset */ 110 int gm; /* geometry mask */ 111 } XWindow; 112 113 typedef struct { 114 Atom xtarget; 115 char *primary, *clipboard; 116 struct timespec tclick1; 117 struct timespec tclick2; 118 } XSelection; 119 120 /* Font structure */ 121 #define Font Font_ 122 typedef struct { 123 int height; 124 int width; 125 int ascent; 126 int descent; 127 int badslant; 128 int badweight; 129 short lbearing; 130 short rbearing; 131 XftFont *match; 132 FcFontSet *set; 133 FcPattern *pattern; 134 } Font; 135 136 /* Drawing Context */ 137 typedef struct { 138 Color *col; 139 size_t collen; 140 Font font, bfont, ifont, ibfont; 141 GC gc; 142 } DC; 143 144 static inline ushort sixd_to_16bit(int); 145 static void xresetfontsettings(ushort mode, Font **font, int *frcflags); 146 static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); 147 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int); 148 static void xdrawglyph(Glyph, int, int); 149 static void xclear(int, int, int, int); 150 static int xgeommasktogravity(int); 151 static int ximopen(Display *); 152 static void ximinstantiate(Display *, XPointer, XPointer); 153 static void ximdestroy(XIM, XPointer, XPointer); 154 static int xicdestroy(XIC, XPointer, XPointer); 155 static void xinit(int, int); 156 static void cresize(int, int); 157 static void xresize(int, int); 158 static void xhints(void); 159 static int xloadcolor(int, const char *, Color *); 160 static int xloadfont(Font *, FcPattern *); 161 static void xloadfonts(const char *, double); 162 static void xunloadfont(Font *); 163 static void xunloadfonts(void); 164 static void xsetenv(void); 165 static void xseturgency(int); 166 static int evcol(XEvent *); 167 static int evrow(XEvent *); 168 169 static void expose(XEvent *); 170 static void visibility(XEvent *); 171 static void unmap(XEvent *); 172 static void kpress(XEvent *); 173 static void cmessage(XEvent *); 174 static void resize(XEvent *); 175 static void focus(XEvent *); 176 static uint buttonmask(uint); 177 static int mouseaction(XEvent *, uint); 178 static void brelease(XEvent *); 179 static void bpress(XEvent *); 180 static void bmotion(XEvent *); 181 static void propnotify(XEvent *); 182 static void selnotify(XEvent *); 183 static void selclear_(XEvent *); 184 static void selrequest(XEvent *); 185 static void setsel(char *, Time); 186 static void mousesel(XEvent *, int); 187 static void mousereport(XEvent *); 188 static char *kmap(KeySym, uint); 189 static int match(uint, uint); 190 191 static void run(void); 192 static void usage(void); 193 194 static void (*handler[LASTEvent])(XEvent *) = { 195 [KeyPress] = kpress, 196 [ClientMessage] = cmessage, 197 [ConfigureNotify] = resize, 198 [VisibilityNotify] = visibility, 199 [UnmapNotify] = unmap, 200 [Expose] = expose, 201 [FocusIn] = focus, 202 [FocusOut] = focus, 203 [MotionNotify] = bmotion, 204 [ButtonPress] = bpress, 205 [ButtonRelease] = brelease, 206 /* 207 * Uncomment if you want the selection to disappear when you select something 208 * different in another window. 209 */ 210 /* [SelectionClear] = selclear_, */ 211 [SelectionNotify] = selnotify, 212 /* 213 * PropertyNotify is only turned on when there is some INCR transfer happening 214 * for the selection retrieval. 215 */ 216 [PropertyNotify] = propnotify, 217 [SelectionRequest] = selrequest, 218 }; 219 220 /* Globals */ 221 static DC dc; 222 static XWindow xw; 223 static XSelection xsel; 224 static TermWindow win; 225 226 /* Font Ring Cache */ 227 enum { 228 FRC_NORMAL, 229 FRC_ITALIC, 230 FRC_BOLD, 231 FRC_ITALICBOLD 232 }; 233 234 typedef struct { 235 XftFont *font; 236 int flags; 237 Rune unicodep; 238 } Fontcache; 239 240 /* Fontcache is an array now. A new font will be appended to the array. */ 241 static Fontcache *frc = NULL; 242 static int frclen = 0; 243 static int frccap = 0; 244 static char *usedfont = NULL; 245 static double usedfontsize = 0; 246 static double defaultfontsize = 0; 247 248 static char *opt_class = NULL; 249 static char **opt_cmd = NULL; 250 static char *opt_embed = NULL; 251 static char *opt_font = NULL; 252 static char *opt_io = NULL; 253 static char *opt_line = NULL; 254 static char *opt_name = NULL; 255 static char *opt_title = NULL; 256 257 static uint buttons; /* bit field of pressed buttons */ 258 259 void 260 clipcopy(const Arg *dummy) 261 { 262 Atom clipboard; 263 264 free(xsel.clipboard); 265 xsel.clipboard = NULL; 266 267 if (xsel.primary != NULL) { 268 xsel.clipboard = xstrdup(xsel.primary); 269 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); 270 XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); 271 } 272 } 273 274 void 275 clippaste(const Arg *dummy) 276 { 277 Atom clipboard; 278 279 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); 280 XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, 281 xw.win, CurrentTime); 282 } 283 284 void 285 selpaste(const Arg *dummy) 286 { 287 XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, 288 xw.win, CurrentTime); 289 } 290 291 void 292 numlock(const Arg *dummy) 293 { 294 win.mode ^= MODE_NUMLOCK; 295 } 296 297 void 298 zoom(const Arg *arg) 299 { 300 Arg larg; 301 302 larg.f = usedfontsize + arg->f; 303 zoomabs(&larg); 304 } 305 306 void 307 zoomabs(const Arg *arg) 308 { 309 xunloadfonts(); 310 xloadfonts(usedfont, arg->f); 311 cresize(0, 0); 312 redraw(); 313 xhints(); 314 } 315 316 void 317 zoomreset(const Arg *arg) 318 { 319 Arg larg; 320 321 if (defaultfontsize > 0) { 322 larg.f = defaultfontsize; 323 zoomabs(&larg); 324 } 325 } 326 327 void 328 ttysend(const Arg *arg) 329 { 330 ttywrite(arg->s, strlen(arg->s), 1); 331 } 332 333 int 334 evcol(XEvent *e) 335 { 336 int x = e->xbutton.x - borderpx; 337 LIMIT(x, 0, win.tw - 1); 338 return x / win.cw; 339 } 340 341 int 342 evrow(XEvent *e) 343 { 344 int y = e->xbutton.y - borderpx; 345 LIMIT(y, 0, win.th - 1); 346 return y / win.ch; 347 } 348 349 void 350 mousesel(XEvent *e, int done) 351 { 352 int type, seltype = SEL_REGULAR; 353 uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); 354 355 for (type = 1; type < LEN(selmasks); ++type) { 356 if (match(selmasks[type], state)) { 357 seltype = type; 358 break; 359 } 360 } 361 selextend(evcol(e), evrow(e), seltype, done); 362 if (done) 363 setsel(getsel(), e->xbutton.time); 364 } 365 366 void 367 mousereport(XEvent *e) 368 { 369 int len, btn, code; 370 int x = evcol(e), y = evrow(e); 371 int state = e->xbutton.state; 372 char buf[40]; 373 static int ox, oy; 374 375 if (e->type == MotionNotify) { 376 if (x == ox && y == oy) 377 return; 378 if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY)) 379 return; 380 /* MODE_MOUSEMOTION: no reporting if no button is pressed */ 381 if (IS_SET(MODE_MOUSEMOTION) && buttons == 0) 382 return; 383 /* Set btn to lowest-numbered pressed button, or 12 if no 384 * buttons are pressed. */ 385 for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++) 386 ; 387 code = 32; 388 } else { 389 btn = e->xbutton.button; 390 /* Only buttons 1 through 11 can be encoded */ 391 if (btn < 1 || btn > 11) 392 return; 393 if (e->type == ButtonRelease) { 394 /* MODE_MOUSEX10: no button release reporting */ 395 if (IS_SET(MODE_MOUSEX10)) 396 return; 397 /* Don't send release events for the scroll wheel */ 398 if (btn == 4 || btn == 5) 399 return; 400 } 401 code = 0; 402 } 403 404 ox = x; 405 oy = y; 406 407 /* Encode btn into code. If no button is pressed for a motion event in 408 * MODE_MOUSEMANY, then encode it as a release. */ 409 if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12) 410 code += 3; 411 else if (btn >= 8) 412 code += 128 + btn - 8; 413 else if (btn >= 4) 414 code += 64 + btn - 4; 415 else 416 code += btn - 1; 417 418 if (!IS_SET(MODE_MOUSEX10)) { 419 code += ((state & ShiftMask ) ? 4 : 0) 420 + ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */ 421 + ((state & ControlMask) ? 16 : 0); 422 } 423 424 if (IS_SET(MODE_MOUSESGR)) { 425 len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", 426 code, x+1, y+1, 427 e->type == ButtonRelease ? 'm' : 'M'); 428 } else if (x < 223 && y < 223) { 429 len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", 430 32+code, 32+x+1, 32+y+1); 431 } else { 432 return; 433 } 434 435 ttywrite(buf, len, 0); 436 } 437 438 uint 439 buttonmask(uint button) 440 { 441 return button == Button1 ? Button1Mask 442 : button == Button2 ? Button2Mask 443 : button == Button3 ? Button3Mask 444 : button == Button4 ? Button4Mask 445 : button == Button5 ? Button5Mask 446 : 0; 447 } 448 449 int 450 mouseaction(XEvent *e, uint release) 451 { 452 MouseShortcut *ms; 453 454 /* ignore Button<N>mask for Button<N> - it's set on release */ 455 uint state = e->xbutton.state & ~buttonmask(e->xbutton.button); 456 457 for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) { 458 if (ms->release == release && 459 ms->button == e->xbutton.button && 460 (match(ms->mod, state) || /* exact or forced */ 461 match(ms->mod, state & ~forcemousemod))) { 462 ms->func(&(ms->arg)); 463 return 1; 464 } 465 } 466 467 return 0; 468 } 469 470 void 471 bpress(XEvent *e) 472 { 473 int btn = e->xbutton.button; 474 struct timespec now; 475 int snap; 476 477 if (1 <= btn && btn <= 11) 478 buttons |= 1 << (btn-1); 479 480 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { 481 mousereport(e); 482 return; 483 } 484 485 if (mouseaction(e, 0)) 486 return; 487 488 if (btn == Button1) { 489 /* 490 * If the user clicks below predefined timeouts specific 491 * snapping behaviour is exposed. 492 */ 493 clock_gettime(CLOCK_MONOTONIC, &now); 494 if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { 495 snap = SNAP_LINE; 496 } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { 497 snap = SNAP_WORD; 498 } else { 499 snap = 0; 500 } 501 xsel.tclick2 = xsel.tclick1; 502 xsel.tclick1 = now; 503 504 selstart(evcol(e), evrow(e), snap); 505 } 506 } 507 508 void 509 propnotify(XEvent *e) 510 { 511 XPropertyEvent *xpev; 512 Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); 513 514 xpev = &e->xproperty; 515 if (xpev->state == PropertyNewValue && 516 (xpev->atom == XA_PRIMARY || 517 xpev->atom == clipboard)) { 518 selnotify(e); 519 } 520 } 521 522 void 523 selnotify(XEvent *e) 524 { 525 ulong nitems, ofs, rem; 526 int format; 527 uchar *data, *last, *repl; 528 Atom type, incratom, property = None; 529 530 incratom = XInternAtom(xw.dpy, "INCR", 0); 531 532 ofs = 0; 533 if (e->type == SelectionNotify) 534 property = e->xselection.property; 535 else if (e->type == PropertyNotify) 536 property = e->xproperty.atom; 537 538 if (property == None) 539 return; 540 541 do { 542 if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, 543 BUFSIZ/4, False, AnyPropertyType, 544 &type, &format, &nitems, &rem, 545 &data)) { 546 fprintf(stderr, "Clipboard allocation failed\n"); 547 return; 548 } 549 550 if (e->type == PropertyNotify && nitems == 0 && rem == 0) { 551 /* 552 * If there is some PropertyNotify with no data, then 553 * this is the signal of the selection owner that all 554 * data has been transferred. We won't need to receive 555 * PropertyNotify events anymore. 556 */ 557 MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask); 558 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, 559 &xw.attrs); 560 } 561 562 if (type == incratom) { 563 /* 564 * Activate the PropertyNotify events so we receive 565 * when the selection owner does send us the next 566 * chunk of data. 567 */ 568 MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask); 569 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, 570 &xw.attrs); 571 572 /* 573 * Deleting the property is the transfer start signal. 574 */ 575 XDeleteProperty(xw.dpy, xw.win, (int)property); 576 continue; 577 } 578 579 /* 580 * As seen in getsel: 581 * Line endings are inconsistent in the terminal and GUI world 582 * copy and pasting. When receiving some selection data, 583 * replace all '\n' with '\r'. 584 * FIXME: Fix the computer world. 585 */ 586 repl = data; 587 last = data + nitems * format / 8; 588 while ((repl = memchr(repl, '\n', last - repl))) { 589 *repl++ = '\r'; 590 } 591 592 if (IS_SET(MODE_BRCKTPASTE) && ofs == 0) 593 ttywrite("\033[200~", 6, 0); 594 ttywrite((char *)data, nitems * format / 8, 1); 595 if (IS_SET(MODE_BRCKTPASTE) && rem == 0) 596 ttywrite("\033[201~", 6, 0); 597 XFree(data); 598 /* number of 32-bit chunks returned */ 599 ofs += nitems * format / 32; 600 } while (rem > 0); 601 602 /* 603 * Deleting the property again tells the selection owner to send the 604 * next data chunk in the property. 605 */ 606 XDeleteProperty(xw.dpy, xw.win, (int)property); 607 } 608 609 void 610 xclipcopy(void) 611 { 612 clipcopy(NULL); 613 } 614 615 void 616 selclear_(XEvent *e) 617 { 618 selclear(); 619 } 620 621 void 622 selrequest(XEvent *e) 623 { 624 XSelectionRequestEvent *xsre; 625 XSelectionEvent xev; 626 Atom xa_targets, string, clipboard; 627 char *seltext; 628 629 xsre = (XSelectionRequestEvent *) e; 630 xev.type = SelectionNotify; 631 xev.requestor = xsre->requestor; 632 xev.selection = xsre->selection; 633 xev.target = xsre->target; 634 xev.time = xsre->time; 635 if (xsre->property == None) 636 xsre->property = xsre->target; 637 638 /* reject */ 639 xev.property = None; 640 641 xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); 642 if (xsre->target == xa_targets) { 643 /* respond with the supported type */ 644 string = xsel.xtarget; 645 XChangeProperty(xsre->display, xsre->requestor, xsre->property, 646 XA_ATOM, 32, PropModeReplace, 647 (uchar *) &string, 1); 648 xev.property = xsre->property; 649 } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) { 650 /* 651 * xith XA_STRING non ascii characters may be incorrect in the 652 * requestor. It is not our problem, use utf8. 653 */ 654 clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); 655 if (xsre->selection == XA_PRIMARY) { 656 seltext = xsel.primary; 657 } else if (xsre->selection == clipboard) { 658 seltext = xsel.clipboard; 659 } else { 660 fprintf(stderr, 661 "Unhandled clipboard selection 0x%lx\n", 662 xsre->selection); 663 return; 664 } 665 if (seltext != NULL) { 666 XChangeProperty(xsre->display, xsre->requestor, 667 xsre->property, xsre->target, 668 8, PropModeReplace, 669 (uchar *)seltext, strlen(seltext)); 670 xev.property = xsre->property; 671 } 672 } 673 674 /* all done, send a notification to the listener */ 675 if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) 676 fprintf(stderr, "Error sending SelectionNotify event\n"); 677 } 678 679 void 680 setsel(char *str, Time t) 681 { 682 if (!str) 683 return; 684 685 free(xsel.primary); 686 xsel.primary = str; 687 688 XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); 689 if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) 690 selclear(); 691 } 692 693 void 694 xsetsel(char *str) 695 { 696 setsel(str, CurrentTime); 697 } 698 699 void 700 brelease(XEvent *e) 701 { 702 int btn = e->xbutton.button; 703 704 if (1 <= btn && btn <= 11) 705 buttons &= ~(1 << (btn-1)); 706 707 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { 708 mousereport(e); 709 return; 710 } 711 712 if (mouseaction(e, 1)) 713 return; 714 if (btn == Button1) 715 mousesel(e, 1); 716 } 717 718 void 719 bmotion(XEvent *e) 720 { 721 if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) { 722 mousereport(e); 723 return; 724 } 725 726 mousesel(e, 0); 727 } 728 729 void 730 cresize(int width, int height) 731 { 732 int col, row; 733 734 if (width != 0) 735 win.w = width; 736 if (height != 0) 737 win.h = height; 738 739 col = (win.w - 2 * borderpx) / win.cw; 740 row = (win.h - 2 * borderpx) / win.ch; 741 col = MAX(1, col); 742 row = MAX(1, row); 743 744 tresize(col, row); 745 xresize(col, row); 746 ttyresize(win.tw, win.th); 747 } 748 749 void 750 xresize(int col, int row) 751 { 752 win.tw = col * win.cw; 753 win.th = row * win.ch; 754 755 XFreePixmap(xw.dpy, xw.buf); 756 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, 757 DefaultDepth(xw.dpy, xw.scr)); 758 XftDrawChange(xw.draw, xw.buf); 759 xclear(0, 0, win.w, win.h); 760 761 /* resize to new width */ 762 xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec) * 4); 763 } 764 765 ushort 766 sixd_to_16bit(int x) 767 { 768 return x == 0 ? 0 : 0x3737 + 0x2828 * x; 769 } 770 771 int 772 xloadcolor(int i, const char *name, Color *ncolor) 773 { 774 XRenderColor color = { .alpha = 0xffff }; 775 776 if (!name) { 777 if (BETWEEN(i, 16, 255)) { /* 256 color */ 778 if (i < 6*6*6+16) { /* same colors as xterm */ 779 color.red = sixd_to_16bit( ((i-16)/36)%6 ); 780 color.green = sixd_to_16bit( ((i-16)/6) %6 ); 781 color.blue = sixd_to_16bit( ((i-16)/1) %6 ); 782 } else { /* greyscale */ 783 color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16)); 784 color.green = color.blue = color.red; 785 } 786 return XftColorAllocValue(xw.dpy, xw.vis, 787 xw.cmap, &color, ncolor); 788 } else 789 name = colorname[i]; 790 } 791 792 return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); 793 } 794 795 void 796 xloadcols(void) 797 { 798 int i; 799 static int loaded; 800 Color *cp; 801 802 if (loaded) { 803 for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) 804 XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); 805 } else { 806 dc.collen = MAX(LEN(colorname), 256); 807 dc.col = xmalloc(dc.collen * sizeof(Color)); 808 } 809 810 for (i = 0; i < dc.collen; i++) 811 if (!xloadcolor(i, NULL, &dc.col[i])) { 812 if (colorname[i]) 813 die("could not allocate color '%s'\n", colorname[i]); 814 else 815 die("could not allocate color %d\n", i); 816 } 817 loaded = 1; 818 } 819 820 int 821 xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) 822 { 823 if (!BETWEEN(x, 0, dc.collen - 1)) 824 return 1; 825 826 *r = dc.col[x].color.red >> 8; 827 *g = dc.col[x].color.green >> 8; 828 *b = dc.col[x].color.blue >> 8; 829 830 return 0; 831 } 832 833 int 834 xsetcolorname(int x, const char *name) 835 { 836 Color ncolor; 837 838 if (!BETWEEN(x, 0, dc.collen - 1)) 839 return 1; 840 841 if (!xloadcolor(x, name, &ncolor)) 842 return 1; 843 844 XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); 845 dc.col[x] = ncolor; 846 847 return 0; 848 } 849 850 /* 851 * Absolute coordinates. 852 */ 853 void 854 xclear(int x1, int y1, int x2, int y2) 855 { 856 XftDrawRect(xw.draw, 857 &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], 858 x1, y1, x2-x1, y2-y1); 859 } 860 861 void 862 xhints(void) 863 { 864 XClassHint class = {opt_name ? opt_name : termname, 865 opt_class ? opt_class : termname}; 866 XWMHints wm = {.flags = InputHint, .input = 1}; 867 XSizeHints *sizeh; 868 869 sizeh = XAllocSizeHints(); 870 871 sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; 872 sizeh->height = win.h; 873 sizeh->width = win.w; 874 sizeh->height_inc = win.ch; 875 sizeh->width_inc = win.cw; 876 sizeh->base_height = 2 * borderpx; 877 sizeh->base_width = 2 * borderpx; 878 sizeh->min_height = win.ch + 2 * borderpx; 879 sizeh->min_width = win.cw + 2 * borderpx; 880 if (xw.isfixed) { 881 sizeh->flags |= PMaxSize; 882 sizeh->min_width = sizeh->max_width = win.w; 883 sizeh->min_height = sizeh->max_height = win.h; 884 } 885 if (xw.gm & (XValue|YValue)) { 886 sizeh->flags |= USPosition | PWinGravity; 887 sizeh->x = xw.l; 888 sizeh->y = xw.t; 889 sizeh->win_gravity = xgeommasktogravity(xw.gm); 890 } 891 892 XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, 893 &class); 894 XFree(sizeh); 895 } 896 897 int 898 xgeommasktogravity(int mask) 899 { 900 switch (mask & (XNegative|YNegative)) { 901 case 0: 902 return NorthWestGravity; 903 case XNegative: 904 return NorthEastGravity; 905 case YNegative: 906 return SouthWestGravity; 907 } 908 909 return SouthEastGravity; 910 } 911 912 int 913 xloadfont(Font *f, FcPattern *pattern) 914 { 915 FcPattern *configured; 916 FcPattern *match; 917 FcResult result; 918 XGlyphInfo extents; 919 int wantattr, haveattr; 920 921 /* 922 * Manually configure instead of calling XftMatchFont 923 * so that we can use the configured pattern for 924 * "missing glyph" lookups. 925 */ 926 configured = FcPatternDuplicate(pattern); 927 if (!configured) 928 return 1; 929 930 FcConfigSubstitute(NULL, configured, FcMatchPattern); 931 XftDefaultSubstitute(xw.dpy, xw.scr, configured); 932 933 match = FcFontMatch(NULL, configured, &result); 934 if (!match) { 935 FcPatternDestroy(configured); 936 return 1; 937 } 938 939 if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { 940 FcPatternDestroy(configured); 941 FcPatternDestroy(match); 942 return 1; 943 } 944 945 if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == 946 XftResultMatch)) { 947 /* 948 * Check if xft was unable to find a font with the appropriate 949 * slant but gave us one anyway. Try to mitigate. 950 */ 951 if ((XftPatternGetInteger(f->match->pattern, "slant", 0, 952 &haveattr) != XftResultMatch) || haveattr < wantattr) { 953 f->badslant = 1; 954 fputs("font slant does not match\n", stderr); 955 } 956 } 957 958 if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == 959 XftResultMatch)) { 960 if ((XftPatternGetInteger(f->match->pattern, "weight", 0, 961 &haveattr) != XftResultMatch) || haveattr != wantattr) { 962 f->badweight = 1; 963 fputs("font weight does not match\n", stderr); 964 } 965 } 966 967 XftTextExtentsUtf8(xw.dpy, f->match, 968 (const FcChar8 *) ascii_printable, 969 strlen(ascii_printable), &extents); 970 971 f->set = NULL; 972 f->pattern = configured; 973 974 f->ascent = f->match->ascent; 975 f->descent = f->match->descent; 976 f->lbearing = 0; 977 f->rbearing = f->match->max_advance_width; 978 979 f->height = f->ascent + f->descent; 980 f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); 981 982 return 0; 983 } 984 985 void 986 xloadfonts(const char *fontstr, double fontsize) 987 { 988 FcPattern *pattern; 989 double fontval; 990 991 if (fontstr[0] == '-') 992 pattern = XftXlfdParse(fontstr, False, False); 993 else 994 pattern = FcNameParse((const FcChar8 *)fontstr); 995 996 if (!pattern) 997 die("can't open font %s\n", fontstr); 998 999 if (fontsize > 1) { 1000 FcPatternDel(pattern, FC_PIXEL_SIZE); 1001 FcPatternDel(pattern, FC_SIZE); 1002 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); 1003 usedfontsize = fontsize; 1004 } else { 1005 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == 1006 FcResultMatch) { 1007 usedfontsize = fontval; 1008 } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == 1009 FcResultMatch) { 1010 usedfontsize = -1; 1011 } else { 1012 /* 1013 * Default font size is 12, if none given. This is to 1014 * have a known usedfontsize value. 1015 */ 1016 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); 1017 usedfontsize = 12; 1018 } 1019 defaultfontsize = usedfontsize; 1020 } 1021 1022 if (xloadfont(&dc.font, pattern)) 1023 die("can't open font %s\n", fontstr); 1024 1025 if (usedfontsize < 0) { 1026 FcPatternGetDouble(dc.font.match->pattern, 1027 FC_PIXEL_SIZE, 0, &fontval); 1028 usedfontsize = fontval; 1029 if (fontsize == 0) 1030 defaultfontsize = fontval; 1031 } 1032 1033 /* Setting character width and height. */ 1034 win.cw = ceilf(dc.font.width * cwscale); 1035 win.ch = ceilf(dc.font.height * chscale); 1036 1037 FcPatternDel(pattern, FC_SLANT); 1038 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); 1039 if (xloadfont(&dc.ifont, pattern)) 1040 die("can't open font %s\n", fontstr); 1041 1042 FcPatternDel(pattern, FC_WEIGHT); 1043 FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); 1044 if (xloadfont(&dc.ibfont, pattern)) 1045 die("can't open font %s\n", fontstr); 1046 1047 FcPatternDel(pattern, FC_SLANT); 1048 FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); 1049 if (xloadfont(&dc.bfont, pattern)) 1050 die("can't open font %s\n", fontstr); 1051 1052 FcPatternDestroy(pattern); 1053 } 1054 1055 void 1056 xunloadfont(Font *f) 1057 { 1058 XftFontClose(xw.dpy, f->match); 1059 FcPatternDestroy(f->pattern); 1060 if (f->set) 1061 FcFontSetDestroy(f->set); 1062 } 1063 1064 void 1065 xunloadfonts(void) 1066 { 1067 /* Clear Harfbuzz font cache. */ 1068 hbunloadfonts(); 1069 1070 /* Free the loaded fonts in the font cache. */ 1071 while (frclen > 0) 1072 XftFontClose(xw.dpy, frc[--frclen].font); 1073 1074 xunloadfont(&dc.font); 1075 xunloadfont(&dc.bfont); 1076 xunloadfont(&dc.ifont); 1077 xunloadfont(&dc.ibfont); 1078 } 1079 1080 int 1081 ximopen(Display *dpy) 1082 { 1083 XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy }; 1084 XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy }; 1085 1086 xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); 1087 if (xw.ime.xim == NULL) 1088 return 0; 1089 1090 if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL)) 1091 fprintf(stderr, "XSetIMValues: " 1092 "Could not set XNDestroyCallback.\n"); 1093 1094 xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, 1095 NULL); 1096 1097 if (xw.ime.xic == NULL) { 1098 xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle, 1099 XIMPreeditNothing | XIMStatusNothing, 1100 XNClientWindow, xw.win, 1101 XNDestroyCallback, &icdestroy, 1102 NULL); 1103 } 1104 if (xw.ime.xic == NULL) 1105 fprintf(stderr, "XCreateIC: Could not create input context.\n"); 1106 1107 return 1; 1108 } 1109 1110 void 1111 ximinstantiate(Display *dpy, XPointer client, XPointer call) 1112 { 1113 if (ximopen(dpy)) 1114 XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, 1115 ximinstantiate, NULL); 1116 } 1117 1118 void 1119 ximdestroy(XIM xim, XPointer client, XPointer call) 1120 { 1121 xw.ime.xim = NULL; 1122 XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, 1123 ximinstantiate, NULL); 1124 XFree(xw.ime.spotlist); 1125 } 1126 1127 int 1128 xicdestroy(XIC xim, XPointer client, XPointer call) 1129 { 1130 xw.ime.xic = NULL; 1131 return 1; 1132 } 1133 1134 void 1135 xinit(int cols, int rows) 1136 { 1137 XGCValues gcvalues; 1138 Cursor cursor; 1139 Window parent, root; 1140 pid_t thispid = getpid(); 1141 XColor xmousefg, xmousebg; 1142 1143 if (!(xw.dpy = XOpenDisplay(NULL))) 1144 die("can't open display\n"); 1145 xw.scr = XDefaultScreen(xw.dpy); 1146 xw.vis = XDefaultVisual(xw.dpy, xw.scr); 1147 1148 /* font */ 1149 if (!FcInit()) 1150 die("could not init fontconfig.\n"); 1151 1152 usedfont = (opt_font == NULL)? font : opt_font; 1153 xloadfonts(usedfont, 0); 1154 1155 /* colors */ 1156 xw.cmap = XDefaultColormap(xw.dpy, xw.scr); 1157 xloadcols(); 1158 1159 /* adjust fixed window geometry */ 1160 win.w = 2 * borderpx + cols * win.cw; 1161 win.h = 2 * borderpx + rows * win.ch; 1162 if (xw.gm & XNegative) 1163 xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; 1164 if (xw.gm & YNegative) 1165 xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2; 1166 1167 /* Events */ 1168 xw.attrs.background_pixel = dc.col[defaultbg].pixel; 1169 xw.attrs.border_pixel = dc.col[defaultbg].pixel; 1170 xw.attrs.bit_gravity = NorthWestGravity; 1171 xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask 1172 | ExposureMask | VisibilityChangeMask | StructureNotifyMask 1173 | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; 1174 xw.attrs.colormap = xw.cmap; 1175 1176 root = XRootWindow(xw.dpy, xw.scr); 1177 if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) 1178 parent = root; 1179 xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t, 1180 win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, 1181 xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity 1182 | CWEventMask | CWColormap, &xw.attrs); 1183 if (parent != root) 1184 XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t); 1185 1186 memset(&gcvalues, 0, sizeof(gcvalues)); 1187 gcvalues.graphics_exposures = False; 1188 dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, 1189 &gcvalues); 1190 xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, 1191 DefaultDepth(xw.dpy, xw.scr)); 1192 XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); 1193 XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); 1194 1195 /* font spec buffer */ 1196 xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec) * 4); 1197 1198 /* Xft rendering context */ 1199 xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); 1200 1201 /* input methods */ 1202 if (!ximopen(xw.dpy)) { 1203 XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, 1204 ximinstantiate, NULL); 1205 } 1206 1207 /* white cursor, black outline */ 1208 cursor = XCreateFontCursor(xw.dpy, mouseshape); 1209 XDefineCursor(xw.dpy, xw.win, cursor); 1210 1211 if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) { 1212 xmousefg.red = 0xffff; 1213 xmousefg.green = 0xffff; 1214 xmousefg.blue = 0xffff; 1215 } 1216 1217 if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) { 1218 xmousebg.red = 0x0000; 1219 xmousebg.green = 0x0000; 1220 xmousebg.blue = 0x0000; 1221 } 1222 1223 XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg); 1224 1225 xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); 1226 xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); 1227 xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False); 1228 xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False); 1229 XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); 1230 1231 xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False); 1232 XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, 1233 PropModeReplace, (uchar *)&thispid, 1); 1234 1235 win.mode = MODE_NUMLOCK; 1236 resettitle(); 1237 xhints(); 1238 XMapWindow(xw.dpy, xw.win); 1239 XSync(xw.dpy, False); 1240 1241 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1); 1242 clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2); 1243 xsel.primary = NULL; 1244 xsel.clipboard = NULL; 1245 xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); 1246 if (xsel.xtarget == None) 1247 xsel.xtarget = XA_STRING; 1248 1249 boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis); 1250 } 1251 1252 void 1253 xresetfontsettings(ushort mode, Font **font, int *frcflags) 1254 { 1255 *font = &dc.font; 1256 if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { 1257 *font = &dc.ibfont; 1258 *frcflags = FRC_ITALICBOLD; 1259 } else if (mode & ATTR_ITALIC) { 1260 *font = &dc.ifont; 1261 *frcflags = FRC_ITALIC; 1262 } else if (mode & ATTR_BOLD) { 1263 *font = &dc.bfont; 1264 *frcflags = FRC_BOLD; 1265 } 1266 } 1267 1268 int 1269 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) 1270 { 1271 float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp; 1272 ushort mode = glyphs[0].mode & ~ATTR_WRAP; 1273 Font *font = &dc.font; 1274 int frcflags = FRC_NORMAL; 1275 float runewidth = win.cw * ((glyphs[0].mode & ATTR_WIDE) ? 2.0f : 1.0f); 1276 Rune rune; 1277 FT_UInt glyphidx; 1278 FcResult fcres; 1279 FcPattern *fcpattern, *fontpattern; 1280 FcFontSet *fcsets[] = { NULL }; 1281 FcCharSet *fccharset; 1282 int f, code_idx, numspecs = 0; 1283 float cluster_xp = xp, cluster_yp = yp; 1284 HbTransformData shaped = { 0 }; 1285 1286 /* Initial values. */ 1287 xresetfontsettings(mode, &font, &frcflags); 1288 1289 /* Shape the segment. */ 1290 hbtransform(&shaped, font->match, glyphs, 0, len); 1291 xp = winx; yp = winy + font->ascent; 1292 cluster_xp = xp; cluster_yp = yp; 1293 1294 for (code_idx = 0; code_idx < shaped.count; code_idx++) { 1295 int idx = shaped.glyphs[code_idx].cluster; 1296 1297 if (glyphs[idx].mode & ATTR_WDUMMY) 1298 continue; 1299 1300 /* Advance the drawing cursor if we've moved to a new cluster */ 1301 if (code_idx > 0 && idx != shaped.glyphs[code_idx - 1].cluster) { 1302 xp += runewidth * (idx - shaped.glyphs[code_idx - 1].cluster); 1303 cluster_xp = xp; 1304 cluster_yp = yp; 1305 } 1306 1307 if (glyphs[idx].mode & ATTR_BOXDRAW) { 1308 /* minor shoehorning: boxdraw uses only this ushort */ 1309 specs[numspecs].font = font->match; 1310 specs[numspecs].glyph = boxdrawindex(&glyphs[idx]); 1311 specs[numspecs].x = xp; 1312 specs[numspecs].y = yp; 1313 numspecs++; 1314 } else if (shaped.glyphs[code_idx].codepoint != 0) { 1315 /* If symbol is found, put it into the specs. */ 1316 specs[numspecs].font = font->match; 1317 specs[numspecs].glyph = shaped.glyphs[code_idx].codepoint; 1318 specs[numspecs].x = cluster_xp + (short)(shaped.positions[code_idx].x_offset / 64.); 1319 specs[numspecs].y = cluster_yp - (short)(shaped.positions[code_idx].y_offset / 64.); 1320 cluster_xp += shaped.positions[code_idx].x_advance / 64.; 1321 cluster_yp += shaped.positions[code_idx].y_advance / 64.; 1322 numspecs++; 1323 } else { 1324 /* If it's not found, try to fetch it through the font cache. */ 1325 rune = glyphs[idx].u; 1326 for (f = 0; f < frclen; f++) { 1327 glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune); 1328 /* Everything correct. */ 1329 if (glyphidx && frc[f].flags == frcflags) 1330 break; 1331 /* We got a default font for a not found glyph. */ 1332 if (!glyphidx && frc[f].flags == frcflags 1333 && frc[f].unicodep == rune) { 1334 break; 1335 } 1336 } 1337 1338 /* Nothing was found. Use fontconfig to find matching font. */ 1339 if (f >= frclen) { 1340 if (!font->set) 1341 font->set = FcFontSort(0, font->pattern, 1342 1, 0, &fcres); 1343 fcsets[0] = font->set; 1344 1345 /* 1346 * Nothing was found in the cache. Now use 1347 * some dozen of Fontconfig calls to get the 1348 * font for one single character. 1349 * 1350 * Xft and fontconfig are design failures. 1351 */ 1352 fcpattern = FcPatternDuplicate(font->pattern); 1353 fccharset = FcCharSetCreate(); 1354 1355 FcCharSetAddChar(fccharset, rune); 1356 FcPatternAddCharSet(fcpattern, FC_CHARSET, 1357 fccharset); 1358 FcPatternAddBool(fcpattern, FC_SCALABLE, 1); 1359 1360 FcConfigSubstitute(0, fcpattern, 1361 FcMatchPattern); 1362 FcDefaultSubstitute(fcpattern); 1363 1364 fontpattern = FcFontSetMatch(0, fcsets, 1, 1365 fcpattern, &fcres); 1366 1367 /* Allocate memory for the new cache entry. */ 1368 if (frclen >= frccap) { 1369 frccap += 16; 1370 frc = xrealloc(frc, frccap * sizeof(Fontcache)); 1371 } 1372 1373 frc[frclen].font = XftFontOpenPattern(xw.dpy, 1374 fontpattern); 1375 if (!frc[frclen].font) 1376 die("XftFontOpenPattern failed seeking fallback font: %s\n", 1377 strerror(errno)); 1378 frc[frclen].flags = frcflags; 1379 frc[frclen].unicodep = rune; 1380 1381 glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune); 1382 1383 f = frclen; 1384 frclen++; 1385 1386 FcPatternDestroy(fcpattern); 1387 FcCharSetDestroy(fccharset); 1388 } 1389 1390 specs[numspecs].font = frc[f].font; 1391 specs[numspecs].glyph = glyphidx; 1392 specs[numspecs].x = (short)xp; 1393 specs[numspecs].y = (short)yp; 1394 numspecs++; 1395 } 1396 } 1397 1398 /* Cleanup and get ready for next segment. */ 1399 hbcleanup(&shaped); 1400 return numspecs; 1401 } 1402 1403 void 1404 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int charlen) 1405 { 1406 int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, 1407 width = charlen * win.cw; 1408 Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; 1409 XRenderColor colfg, colbg; 1410 XRectangle r; 1411 1412 /* Fallback on color display for attributes not supported by the font */ 1413 if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) { 1414 if (dc.ibfont.badslant || dc.ibfont.badweight) 1415 base.fg = defaultattr; 1416 } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) || 1417 (base.mode & ATTR_BOLD && dc.bfont.badweight)) { 1418 base.fg = defaultattr; 1419 } 1420 1421 if (IS_TRUECOL(base.fg)) { 1422 colfg.alpha = 0xffff; 1423 colfg.red = TRUERED(base.fg); 1424 colfg.green = TRUEGREEN(base.fg); 1425 colfg.blue = TRUEBLUE(base.fg); 1426 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg); 1427 fg = &truefg; 1428 } else { 1429 fg = &dc.col[base.fg]; 1430 } 1431 1432 if (IS_TRUECOL(base.bg)) { 1433 colbg.alpha = 0xffff; 1434 colbg.green = TRUEGREEN(base.bg); 1435 colbg.red = TRUERED(base.bg); 1436 colbg.blue = TRUEBLUE(base.bg); 1437 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg); 1438 bg = &truebg; 1439 } else { 1440 bg = &dc.col[base.bg]; 1441 } 1442 1443 /* Change basic system colors [0-7] to bright system colors [8-15] */ 1444 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7)) 1445 fg = &dc.col[base.fg + 8]; 1446 1447 if (IS_SET(MODE_REVERSE)) { 1448 if (fg == &dc.col[defaultfg]) { 1449 fg = &dc.col[defaultbg]; 1450 } else { 1451 colfg.red = ~fg->color.red; 1452 colfg.green = ~fg->color.green; 1453 colfg.blue = ~fg->color.blue; 1454 colfg.alpha = fg->color.alpha; 1455 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, 1456 &revfg); 1457 fg = &revfg; 1458 } 1459 1460 if (bg == &dc.col[defaultbg]) { 1461 bg = &dc.col[defaultfg]; 1462 } else { 1463 colbg.red = ~bg->color.red; 1464 colbg.green = ~bg->color.green; 1465 colbg.blue = ~bg->color.blue; 1466 colbg.alpha = bg->color.alpha; 1467 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, 1468 &revbg); 1469 bg = &revbg; 1470 } 1471 } 1472 1473 if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { 1474 colfg.red = fg->color.red / 2; 1475 colfg.green = fg->color.green / 2; 1476 colfg.blue = fg->color.blue / 2; 1477 colfg.alpha = fg->color.alpha; 1478 XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); 1479 fg = &revfg; 1480 } 1481 1482 if (base.mode & ATTR_REVERSE) { 1483 temp = fg; 1484 fg = bg; 1485 bg = temp; 1486 } 1487 1488 if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK) 1489 fg = bg; 1490 1491 if (base.mode & ATTR_INVISIBLE) 1492 fg = bg; 1493 1494 /* Intelligent cleaning up of the borders. */ 1495 if (x == 0) { 1496 xclear(0, (y == 0)? 0 : winy, borderpx, 1497 winy + win.ch + 1498 ((winy + win.ch >= borderpx + win.th)? win.h : 0)); 1499 } 1500 if (winx + width >= borderpx + win.tw) { 1501 xclear(winx + width, (y == 0)? 0 : winy, win.w, 1502 ((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch))); 1503 } 1504 if (y == 0) 1505 xclear(winx, 0, winx + width, borderpx); 1506 if (winy + win.ch >= borderpx + win.th) 1507 xclear(winx, winy + win.ch, winx + width, win.h); 1508 1509 /* Clean up the region we want to draw to. */ 1510 XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); 1511 1512 /* Set the clip region because Xft is sometimes dirty. */ 1513 r.x = 0; 1514 r.y = 0; 1515 r.height = win.ch; 1516 r.width = width; 1517 XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); 1518 1519 if (base.mode & ATTR_BOXDRAW) { 1520 drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len); 1521 } else { 1522 /* Render the glyphs. */ 1523 XftDrawGlyphFontSpec(xw.draw, fg, specs, len); 1524 } 1525 1526 /* Render underline and strikethrough. */ 1527 if (base.mode & ATTR_UNDERLINE) { 1528 XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1, 1529 width, 1); 1530 } 1531 1532 if (base.mode & ATTR_STRUCK) { 1533 XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3, 1534 width, 1); 1535 } 1536 1537 /* Reset clip to none. */ 1538 XftDrawSetClip(xw.draw, 0); 1539 } 1540 1541 void 1542 xdrawglyph(Glyph g, int x, int y) 1543 { 1544 int numspecs; 1545 XftGlyphFontSpec *specs = xw.specbuf; 1546 1547 numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y); 1548 xdrawglyphfontspecs(specs, g, numspecs, x, y, (g.mode & ATTR_WIDE) ? 2 : 1); 1549 } 1550 1551 void 1552 xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len) 1553 { 1554 Color drawcol; 1555 1556 /* remove the old cursor */ 1557 if (selected(ox, oy)) 1558 og.mode ^= ATTR_REVERSE; 1559 1560 /* Redraw the line where cursor was previously. 1561 * It will restore the ligatures broken by the cursor. */ 1562 xdrawline(line, 0, oy, len); 1563 1564 if (IS_SET(MODE_HIDE)) 1565 return; 1566 1567 /* 1568 * Select the right color for the right mode. 1569 */ 1570 g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE|ATTR_BOXDRAW; 1571 1572 if (IS_SET(MODE_REVERSE)) { 1573 g.mode |= ATTR_REVERSE; 1574 g.bg = defaultfg; 1575 if (selected(cx, cy)) { 1576 drawcol = dc.col[defaultcs]; 1577 g.fg = defaultrcs; 1578 } else { 1579 drawcol = dc.col[defaultrcs]; 1580 g.fg = defaultcs; 1581 } 1582 } else { 1583 if (selected(cx, cy)) { 1584 g.fg = defaultfg; 1585 g.bg = defaultrcs; 1586 } else { 1587 g.fg = defaultbg; 1588 g.bg = defaultcs; 1589 } 1590 drawcol = dc.col[g.bg]; 1591 } 1592 1593 /* draw the new one */ 1594 if (IS_SET(MODE_FOCUSED)) { 1595 switch (win.cursor) { 1596 case 7: /* st extension */ 1597 g.u = 0x2603; /* snowman (U+2603) */ 1598 /* FALLTHROUGH */ 1599 case 0: /* Blinking Block */ 1600 case 1: /* Blinking Block (Default) */ 1601 case 2: /* Steady Block */ 1602 xdrawglyph(g, cx, cy); 1603 break; 1604 case 3: /* Blinking Underline */ 1605 case 4: /* Steady Underline */ 1606 XftDrawRect(xw.draw, &drawcol, 1607 borderpx + cx * win.cw, 1608 borderpx + (cy + 1) * win.ch - \ 1609 cursorthickness, 1610 win.cw, cursorthickness); 1611 break; 1612 case 5: /* Blinking bar */ 1613 case 6: /* Steady bar */ 1614 XftDrawRect(xw.draw, &drawcol, 1615 borderpx + cx * win.cw, 1616 borderpx + cy * win.ch, 1617 cursorthickness, win.ch); 1618 break; 1619 } 1620 } else { 1621 XftDrawRect(xw.draw, &drawcol, 1622 borderpx + cx * win.cw, 1623 borderpx + cy * win.ch, 1624 win.cw - 1, 1); 1625 XftDrawRect(xw.draw, &drawcol, 1626 borderpx + cx * win.cw, 1627 borderpx + cy * win.ch, 1628 1, win.ch - 1); 1629 XftDrawRect(xw.draw, &drawcol, 1630 borderpx + (cx + 1) * win.cw - 1, 1631 borderpx + cy * win.ch, 1632 1, win.ch - 1); 1633 XftDrawRect(xw.draw, &drawcol, 1634 borderpx + cx * win.cw, 1635 borderpx + (cy + 1) * win.ch - 1, 1636 win.cw, 1); 1637 } 1638 } 1639 1640 void 1641 xsetenv(void) 1642 { 1643 char buf[sizeof(long) * 8 + 1]; 1644 1645 snprintf(buf, sizeof(buf), "%lu", xw.win); 1646 setenv("WINDOWID", buf, 1); 1647 } 1648 1649 void 1650 xseticontitle(char *p) 1651 { 1652 XTextProperty prop; 1653 DEFAULT(p, opt_title); 1654 1655 if (p[0] == '\0') 1656 p = opt_title; 1657 1658 if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, 1659 &prop) != Success) 1660 return; 1661 XSetWMIconName(xw.dpy, xw.win, &prop); 1662 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname); 1663 XFree(prop.value); 1664 } 1665 1666 void 1667 xsettitle(char *p) 1668 { 1669 XTextProperty prop; 1670 DEFAULT(p, opt_title); 1671 1672 if (p[0] == '\0') 1673 p = opt_title; 1674 1675 if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, 1676 &prop) != Success) 1677 return; 1678 XSetWMName(xw.dpy, xw.win, &prop); 1679 XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); 1680 XFree(prop.value); 1681 } 1682 1683 int 1684 xstartdraw(void) 1685 { 1686 return IS_SET(MODE_VISIBLE); 1687 } 1688 1689 void 1690 xdrawline(Line line, int x1, int y1, int x2) 1691 { 1692 int i, x, ox, numspecs; 1693 Glyph base, new; 1694 XftGlyphFontSpec *specs = xw.specbuf; 1695 1696 i = ox = 0; 1697 for (x = x1; x < x2; x++) { 1698 new = line[x]; 1699 if (new.mode == ATTR_WDUMMY) 1700 continue; 1701 if (selected(x, y1)) 1702 new.mode ^= ATTR_REVERSE; 1703 if ((i > 0) && ATTRCMP(base, new)) { 1704 numspecs = xmakeglyphfontspecs(specs, &line[ox], x - ox, ox, y1); 1705 xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x - ox); 1706 i = 0; 1707 } 1708 if (i == 0) { 1709 ox = x; 1710 base = new; 1711 } 1712 i++; 1713 } 1714 if (i > 0) { 1715 numspecs = xmakeglyphfontspecs(specs, &line[ox], x2 - ox, ox, y1); 1716 xdrawglyphfontspecs(specs, base, numspecs, ox, y1, x2 - ox); 1717 } 1718 } 1719 1720 void 1721 xfinishdraw(void) 1722 { 1723 XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, 1724 win.h, 0, 0); 1725 XSetForeground(xw.dpy, dc.gc, 1726 dc.col[IS_SET(MODE_REVERSE)? 1727 defaultfg : defaultbg].pixel); 1728 } 1729 1730 void 1731 xximspot(int x, int y) 1732 { 1733 if (xw.ime.xic == NULL) 1734 return; 1735 1736 xw.ime.spot.x = borderpx + x * win.cw; 1737 xw.ime.spot.y = borderpx + (y + 1) * win.ch; 1738 1739 XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, NULL); 1740 } 1741 1742 void 1743 expose(XEvent *ev) 1744 { 1745 redraw(); 1746 } 1747 1748 void 1749 visibility(XEvent *ev) 1750 { 1751 XVisibilityEvent *e = &ev->xvisibility; 1752 1753 MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE); 1754 } 1755 1756 void 1757 unmap(XEvent *ev) 1758 { 1759 win.mode &= ~MODE_VISIBLE; 1760 } 1761 1762 void 1763 xsetpointermotion(int set) 1764 { 1765 MODBIT(xw.attrs.event_mask, set, PointerMotionMask); 1766 XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); 1767 } 1768 1769 void 1770 xsetmode(int set, unsigned int flags) 1771 { 1772 int mode = win.mode; 1773 MODBIT(win.mode, set, flags); 1774 if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE)) 1775 redraw(); 1776 } 1777 1778 int 1779 xsetcursor(int cursor) 1780 { 1781 if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */ 1782 return 1; 1783 win.cursor = cursor; 1784 return 0; 1785 } 1786 1787 void 1788 xseturgency(int add) 1789 { 1790 XWMHints *h = XGetWMHints(xw.dpy, xw.win); 1791 1792 MODBIT(h->flags, add, XUrgencyHint); 1793 XSetWMHints(xw.dpy, xw.win, h); 1794 XFree(h); 1795 } 1796 1797 void 1798 xbell(void) 1799 { 1800 if (!(IS_SET(MODE_FOCUSED))) 1801 xseturgency(1); 1802 if (bellvolume) 1803 XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL); 1804 } 1805 1806 void 1807 focus(XEvent *ev) 1808 { 1809 XFocusChangeEvent *e = &ev->xfocus; 1810 1811 if (e->mode == NotifyGrab) 1812 return; 1813 1814 if (ev->type == FocusIn) { 1815 if (xw.ime.xic) 1816 XSetICFocus(xw.ime.xic); 1817 win.mode |= MODE_FOCUSED; 1818 xseturgency(0); 1819 if (IS_SET(MODE_FOCUS)) 1820 ttywrite("\033[I", 3, 0); 1821 } else { 1822 if (xw.ime.xic) 1823 XUnsetICFocus(xw.ime.xic); 1824 win.mode &= ~MODE_FOCUSED; 1825 if (IS_SET(MODE_FOCUS)) 1826 ttywrite("\033[O", 3, 0); 1827 } 1828 } 1829 1830 int 1831 match(uint mask, uint state) 1832 { 1833 return mask == XK_ANY_MOD || mask == (state & ~ignoremod); 1834 } 1835 1836 char* 1837 kmap(KeySym k, uint state) 1838 { 1839 Key *kp; 1840 int i; 1841 1842 /* Check for mapped keys out of X11 function keys. */ 1843 for (i = 0; i < LEN(mappedkeys); i++) { 1844 if (mappedkeys[i] == k) 1845 break; 1846 } 1847 if (i == LEN(mappedkeys)) { 1848 if ((k & 0xFFFF) < 0xFD00) 1849 return NULL; 1850 } 1851 1852 for (kp = key; kp < key + LEN(key); kp++) { 1853 if (kp->k != k) 1854 continue; 1855 1856 if (!match(kp->mask, state)) 1857 continue; 1858 1859 if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0) 1860 continue; 1861 if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2) 1862 continue; 1863 1864 if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0) 1865 continue; 1866 1867 return kp->s; 1868 } 1869 1870 return NULL; 1871 } 1872 1873 void 1874 kpress(XEvent *ev) 1875 { 1876 XKeyEvent *e = &ev->xkey; 1877 KeySym ksym = NoSymbol; 1878 char buf[64], *customkey; 1879 int len; 1880 Rune c; 1881 Status status; 1882 Shortcut *bp; 1883 1884 if (IS_SET(MODE_KBDLOCK)) 1885 return; 1886 1887 if (xw.ime.xic) { 1888 len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status); 1889 if (status == XBufferOverflow) 1890 return; 1891 } else { 1892 len = XLookupString(e, buf, sizeof buf, &ksym, NULL); 1893 } 1894 /* 1. shortcuts */ 1895 for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { 1896 if (ksym == bp->keysym && match(bp->mod, e->state)) { 1897 bp->func(&(bp->arg)); 1898 return; 1899 } 1900 } 1901 1902 /* 2. custom keys from config.h */ 1903 if ((customkey = kmap(ksym, e->state))) { 1904 ttywrite(customkey, strlen(customkey), 1); 1905 return; 1906 } 1907 1908 /* 3. composed string from input method */ 1909 if (len == 0) 1910 return; 1911 if (len == 1 && e->state & Mod1Mask) { 1912 if (IS_SET(MODE_8BIT)) { 1913 if (*buf < 0177) { 1914 c = *buf | 0x80; 1915 len = utf8encode(c, buf); 1916 } 1917 } else { 1918 buf[1] = buf[0]; 1919 buf[0] = '\033'; 1920 len = 2; 1921 } 1922 } 1923 ttywrite(buf, len, 1); 1924 } 1925 1926 void 1927 cmessage(XEvent *e) 1928 { 1929 /* 1930 * See xembed specs 1931 * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html 1932 */ 1933 if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) { 1934 if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { 1935 win.mode |= MODE_FOCUSED; 1936 xseturgency(0); 1937 } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { 1938 win.mode &= ~MODE_FOCUSED; 1939 } 1940 } else if (e->xclient.data.l[0] == xw.wmdeletewin) { 1941 ttyhangup(); 1942 exit(0); 1943 } 1944 } 1945 1946 void 1947 resize(XEvent *e) 1948 { 1949 if (e->xconfigure.width == win.w && e->xconfigure.height == win.h) 1950 return; 1951 1952 cresize(e->xconfigure.width, e->xconfigure.height); 1953 } 1954 1955 void 1956 run(void) 1957 { 1958 XEvent ev; 1959 int w = win.w, h = win.h; 1960 fd_set rfd; 1961 int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing; 1962 struct timespec seltv, *tv, now, lastblink, trigger; 1963 double timeout; 1964 1965 /* Waiting for window mapping */ 1966 do { 1967 XNextEvent(xw.dpy, &ev); 1968 /* 1969 * This XFilterEvent call is required because of XOpenIM. It 1970 * does filter out the key event and some client message for 1971 * the input method too. 1972 */ 1973 if (XFilterEvent(&ev, None)) 1974 continue; 1975 if (ev.type == ConfigureNotify) { 1976 w = ev.xconfigure.width; 1977 h = ev.xconfigure.height; 1978 } 1979 } while (ev.type != MapNotify); 1980 1981 ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); 1982 cresize(w, h); 1983 1984 for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) { 1985 FD_ZERO(&rfd); 1986 FD_SET(ttyfd, &rfd); 1987 FD_SET(xfd, &rfd); 1988 1989 if (XPending(xw.dpy)) 1990 timeout = 0; /* existing events might not set xfd */ 1991 1992 seltv.tv_sec = timeout / 1E3; 1993 seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec); 1994 tv = timeout >= 0 ? &seltv : NULL; 1995 1996 if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) { 1997 if (errno == EINTR) 1998 continue; 1999 die("select failed: %s\n", strerror(errno)); 2000 } 2001 clock_gettime(CLOCK_MONOTONIC, &now); 2002 2003 if (FD_ISSET(ttyfd, &rfd)) 2004 ttyread(); 2005 2006 xev = 0; 2007 while (XPending(xw.dpy)) { 2008 xev = 1; 2009 XNextEvent(xw.dpy, &ev); 2010 if (XFilterEvent(&ev, None)) 2011 continue; 2012 if (handler[ev.type]) 2013 (handler[ev.type])(&ev); 2014 } 2015 2016 /* 2017 * To reduce flicker and tearing, when new content or event 2018 * triggers drawing, we first wait a bit to ensure we got 2019 * everything, and if nothing new arrives - we draw. 2020 * We start with trying to wait minlatency ms. If more content 2021 * arrives sooner, we retry with shorter and shorter periods, 2022 * and eventually draw even without idle after maxlatency ms. 2023 * Typically this results in low latency while interacting, 2024 * maximum latency intervals during `cat huge.txt`, and perfect 2025 * sync with periodic updates from animations/key-repeats/etc. 2026 */ 2027 if (FD_ISSET(ttyfd, &rfd) || xev) { 2028 if (!drawing) { 2029 trigger = now; 2030 drawing = 1; 2031 } 2032 timeout = (maxlatency - TIMEDIFF(now, trigger)) \ 2033 / maxlatency * minlatency; 2034 if (timeout > 0) 2035 continue; /* we have time, try to find idle */ 2036 } 2037 2038 /* idle detected or maxlatency exhausted -> draw */ 2039 timeout = -1; 2040 if (blinktimeout && tattrset(ATTR_BLINK)) { 2041 timeout = blinktimeout - TIMEDIFF(now, lastblink); 2042 if (timeout <= 0) { 2043 if (-timeout > blinktimeout) /* start visible */ 2044 win.mode |= MODE_BLINK; 2045 win.mode ^= MODE_BLINK; 2046 tsetdirtattr(ATTR_BLINK); 2047 lastblink = now; 2048 timeout = blinktimeout; 2049 } 2050 } 2051 2052 draw(); 2053 XFlush(xw.dpy); 2054 drawing = 0; 2055 } 2056 } 2057 2058 void 2059 usage(void) 2060 { 2061 die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]" 2062 " [-n name] [-o file]\n" 2063 " [-T title] [-t title] [-w windowid]" 2064 " [[-e] command [args ...]]\n" 2065 " %s [-aiv] [-c class] [-f font] [-g geometry]" 2066 " [-n name] [-o file]\n" 2067 " [-T title] [-t title] [-w windowid] -l line" 2068 " [stty_args ...]\n", argv0, argv0); 2069 } 2070 2071 int 2072 main(int argc, char *argv[]) 2073 { 2074 xw.l = xw.t = 0; 2075 xw.isfixed = False; 2076 xsetcursor(cursorshape); 2077 2078 ARGBEGIN { 2079 case 'a': 2080 allowaltscreen = 0; 2081 break; 2082 case 'c': 2083 opt_class = EARGF(usage()); 2084 break; 2085 case 'e': 2086 if (argc > 0) 2087 --argc, ++argv; 2088 goto run; 2089 case 'f': 2090 opt_font = EARGF(usage()); 2091 break; 2092 case 'g': 2093 xw.gm = XParseGeometry(EARGF(usage()), 2094 &xw.l, &xw.t, &cols, &rows); 2095 break; 2096 case 'i': 2097 xw.isfixed = 1; 2098 break; 2099 case 'o': 2100 opt_io = EARGF(usage()); 2101 break; 2102 case 'l': 2103 opt_line = EARGF(usage()); 2104 break; 2105 case 'n': 2106 opt_name = EARGF(usage()); 2107 break; 2108 case 't': 2109 case 'T': 2110 opt_title = EARGF(usage()); 2111 break; 2112 case 'w': 2113 opt_embed = EARGF(usage()); 2114 break; 2115 case 'v': 2116 die("%s " VERSION "\n", argv0); 2117 break; 2118 default: 2119 usage(); 2120 } ARGEND; 2121 2122 run: 2123 if (argc > 0) /* eat all remaining arguments */ 2124 opt_cmd = argv; 2125 2126 if (!opt_title) 2127 opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0]; 2128 2129 setlocale(LC_CTYPE, ""); 2130 XSetLocaleModifiers(""); 2131 cols = MAX(cols, 1); 2132 rows = MAX(rows, 1); 2133 tnew(cols, rows); 2134 xinit(cols, rows); 2135 xsetenv(); 2136 selinit(); 2137 run(); 2138 2139 return 0; 2140 }