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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.191 by root, Fri Jan 20 10:27:08 2006 UTC vs.
Revision 1.203 by root, Wed Jan 25 02:42:06 2006 UTC

170 pointer_ev (this, &rxvt_term::pointer_cb), 170 pointer_ev (this, &rxvt_term::pointer_cb),
171#endif 171#endif
172#ifdef USE_XIM 172#ifdef USE_XIM
173 im_ev (this, &rxvt_term::im_cb), 173 im_ev (this, &rxvt_term::im_cb),
174#endif 174#endif
175#ifndef NO_BELL
176 bell_ev (this, &rxvt_term::bell_cb),
177#endif
175 termwin_ev (this, &rxvt_term::x_cb), 178 termwin_ev (this, &rxvt_term::x_cb),
176 vt_ev (this, &rxvt_term::x_cb), 179 vt_ev (this, &rxvt_term::x_cb),
177 child_ev (this, &rxvt_term::child_cb), 180 child_ev (this, &rxvt_term::child_cb),
178 check_ev (this, &rxvt_term::check_cb), 181 check_ev (this, &rxvt_term::check_cb),
179 flush_ev (this, &rxvt_term::flush_cb), 182 flush_ev (this, &rxvt_term::flush_cb),
302rxvt_term::destroy () 305rxvt_term::destroy ()
303{ 306{
304 if (destroy_ev.active) 307 if (destroy_ev.active)
305 return; 308 return;
306 309
307 if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END))) 310 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
308 return;
309 311
310#if ENABLE_OVERLAY 312#if ENABLE_OVERLAY
311 scr_overlay_off (); 313 scr_overlay_off ();
312#endif 314#endif
313 315
447 _exit (EXIT_FAILURE); 449 _exit (EXIT_FAILURE);
448} 450}
449 451
450/*----------------------------------------------------------------------*/ 452/*----------------------------------------------------------------------*/
451bool 453bool
452rxvt_term::init (int argc, const char *const *argv) 454rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
453{ 455{
456 this->envv = envv;
457
454 SET_R (this); 458 SET_R (this);
455 set_locale (""); 459 set_locale ("");
456 set_environ (envv); // few things in X do not call setlocale :( 460 set_environ (envv); // few things in X do not call setlocale :(
457 461
458 if (!init_vars ()) 462 if (!init_vars ())
464 468
465#ifdef KEYSYM_RESOURCE 469#ifdef KEYSYM_RESOURCE
466 keyboard->register_done (); 470 keyboard->register_done ();
467#endif 471#endif
468 472
469#if ENABLE_PERL
470 if (!rs[Rs_perl_ext_1])
471 rs[Rs_perl_ext_1] = "default";
472
473 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
474 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
475 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
476 {
477 rxvt_perl.init (this);
478 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
479 }
480#endif
481
482#ifdef HAVE_SCROLLBARS 473#ifdef HAVE_SCROLLBARS
483 if (OPTION (Opt_scrollBar)) 474 if (OPTION (Opt_scrollBar))
484 scrollBar.setIdle (); /* set existence for size calculations */ 475 scrollBar.setIdle (); /* set existence for size calculations */
485#endif 476#endif
486 477
487 pty = rxvt_new_ptytty (); 478 pty = ptytty::create ();
488 479
489 create_windows (argc, argv); 480 create_windows (argc, argv);
490 481
491 dDisp; 482 dDisp;
492 483
521 pty_ev.start (pty->pty, EVENT_READ); 512 pty_ev.start (pty->pty, EVENT_READ);
522 513
523 check_ev.start (); 514 check_ev.start ();
524 515
525 HOOK_INVOKE ((this, HOOK_START, DT_END)); 516 HOOK_INVOKE ((this, HOOK_START, DT_END));
517
518#if ENABLE_XEMBED
519 if (rs[Rs_embed])
520 {
521 long info[2] = { 0, XEMBED_MAPPED };
522
523 XChangeProperty (display->display, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
524 32, PropModeReplace, (unsigned char *)&info, 2);
525 }
526#endif
526 527
527 XMapWindow (disp, vt); 528 XMapWindow (disp, vt);
528 XMapWindow (disp, parent[0]); 529 XMapWindow (disp, parent[0]);
529 530
530 return true; 531 return true;
538 * Catch a fatal signal and tidy up before quitting 539 * Catch a fatal signal and tidy up before quitting
539 */ 540 */
540 void 541 void
541 sig_term (sig_watcher &w) 542 sig_term (sig_watcher &w)
542 { 543 {
543#ifdef DEBUG_CMD
544 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
545#endif
546 rxvt_emergency_cleanup (); 544 rxvt_emergency_cleanup ();
547 signal (w.signum, SIG_DFL); 545 signal (w.signum, SIG_DFL);
548 kill (getpid (), w.signum); 546 kill (getpid (), w.signum);
549 } 547 }
550 548
558char **rxvt_environ; // startup environment 556char **rxvt_environ; // startup environment
559 557
560void 558void
561rxvt_init () 559rxvt_init ()
562{ 560{
563 uid_t uid = getuid (); 561 ptytty::init ();
564 gid_t gid = getgid ();
565
566 // before doing anything else, check for setuid/setgid operation,
567 // start the helper process and drop privileges
568 if (uid != geteuid ()
569 || gid != getegid ())
570 {
571#if PTYTTY_HELPER
572 rxvt_ptytty_server ();
573#else
574 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
575#endif
576
577 // drop privileges
578#if HAVE_SETRESUID
579 setresgid (gid, gid, gid);
580 setresuid (uid, uid, uid);
581#elif HAVE_SETREUID
582 setregid (gid, gid);
583 setreuid (uid, uid);
584#elif HAVE_SETUID
585 setgid (gid);
586 setuid (uid);
587#endif
588
589 if (uid != geteuid ()
590 || gid != getegid ())
591 rxvt_fatal ("unable to drop privileges, aborting.\n");
592 }
593 562
594 rxvt_environ = environ; 563 rxvt_environ = environ;
595 564
596 signal (SIGHUP, SIG_IGN); 565 signal (SIGHUP, SIG_IGN);
597 signal (SIGPIPE, SIG_IGN); 566 signal (SIGPIPE, SIG_IGN);
656 short recalc_x, recalc_y; 625 short recalc_x, recalc_y;
657 int x, y, sb_w, flags; 626 int x, y, sb_w, flags;
658 unsigned int w, h; 627 unsigned int w, h;
659 unsigned int max_width, max_height; 628 unsigned int max_width, max_height;
660 dDisp; 629 dDisp;
661
662 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
663 ncol, nrow, szHint.width, szHint.height));
664 630
665 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 631 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
666 szHint.win_gravity = NorthWestGravity; 632 szHint.win_gravity = NorthWestGravity;
667 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ 633 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
668 634
771 if (recalc_y) 737 if (recalc_y)
772 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth; 738 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
773 739
774 ncol = width / fwidth; 740 ncol = width / fwidth;
775 nrow = height / fheight; 741 nrow = height / fheight;
776 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
777 ncol, nrow, szHint.width,
778 szHint.height));
779 return;
780} 742}
781 743
782/*----------------------------------------------------------------------*/ 744/*----------------------------------------------------------------------*/
783/* 745/*
784 * Tell the teletype handler what size the window is. 746 * Tell the teletype handler what size the window is.
1068 * -------------------------------------------------------------------- */ 1030 * -------------------------------------------------------------------- */
1069void 1031void
1070rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent) 1032rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1071{ 1033{
1072 int fix_screen; 1034 int fix_screen;
1073 int old_width = szHint.width, old_height = szHint.height; 1035 int old_width = szHint.width;
1036 int old_height = szHint.height;
1074 dDisp; 1037 dDisp;
1075 1038
1076 window_calc (newwidth, newheight); 1039 window_calc (newwidth, newheight);
1077 XSetWMNormalHints (disp, parent[0], &szHint); 1040 XSetWMNormalHints (disp, parent[0], &szHint);
1078 1041
1100 { 1063 {
1101 x -= x1; 1064 x -= x1;
1102 y -= y1; 1065 y -= y1;
1103 } 1066 }
1104 1067
1105 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2; 1068 x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
1106 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2; 1069 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1107 dx = old_width - szHint.width; 1070 dx = old_width - szHint.width;
1108 dy = old_height - szHint.height; 1071 dy = old_height - szHint.height;
1109 1072
1110 /* Check position of the center of the window */ 1073 /* Check position of the center of the window */
1111 if (x < x1) /* left half */ 1074 if (x < x1) /* left half */
1112 dx = 0; 1075 dx = 0;
1145 resize_pixmap (); 1108 resize_pixmap ();
1146#endif 1109#endif
1147 } 1110 }
1148 1111
1149 if (fix_screen || old_height == 0) 1112 if (fix_screen || old_height == 0)
1150 {
1151 int curr_screen = -1;
1152 int old_ncol = prev_ncol;
1153
1154 /* scr_reset only works on the primary screen */
1155 if (old_height) /* this is not the first time through */
1156 {
1157 unsigned int ocol = ncol;
1158 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1159 curr_screen = scr_change_screen (PRIMARY);
1160 ncol = ocol;
1161 }
1162
1163 scr_reset (); 1113 scr_reset ();
1164
1165 if (curr_screen >= 0) /* this is not the first time through */
1166 {
1167 scr_change_screen (curr_screen);
1168 selection_check (old_ncol != ncol ? 4 : 0);
1169 }
1170 }
1171
1172 old_width = szHint.width;
1173 old_height = szHint.height;
1174 1114
1175#ifdef XPM_BACKGROUND 1115#ifdef XPM_BACKGROUND
1176 if (pixmap) 1116 if (pixmap)
1177 scr_touch (false); 1117 scr_touch (false);
1178#endif 1118#endif
1281 XPoint nspot; 1221 XPoint nspot;
1282 XVaNestedList preedit_attr; 1222 XVaNestedList preedit_attr;
1283 1223
1284 if (!Input_Context 1224 if (!Input_Context
1285 || !focus 1225 || !focus
1286 || !(input_style & XIMPreeditPosition)) 1226 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1287 return; 1227 return;
1288 1228
1289 im_set_position (nspot); 1229 im_set_position (nspot);
1290 1230
1291 if (nspot.x == spot.x && nspot.y == spot.y) 1231 if (nspot.x == spot.x && nspot.y == spot.y)
1310 input_method = 0; 1250 input_method = 0;
1311 } 1251 }
1312 1252
1313 Input_Context = 0; 1253 Input_Context = 0;
1314} 1254}
1255
1256#ifdef ENABLE_XIM_ONTHESPOT
1257
1258static void
1259xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1260{
1261 ((rxvt_term *)client_data)->make_current ();
1262 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1263}
1264
1265static void
1266xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1267{
1268 ((rxvt_term *)client_data)->make_current ();
1269 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1270}
1271
1272static void
1273xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1274{
1275 rxvt_term *term = (rxvt_term *)client_data;
1276 XIMText *text = call_data->text;
1277
1278 term->make_current ();
1279
1280 if (text)
1281 {
1282 void *str;
1283
1284 if (!text->encoding_is_wchar && text->string.multi_byte)
1285 {
1286 // of course, X makes it ugly again
1287 if (term->rs[Rs_imLocale])
1288 SET_LOCALE (term->rs[Rs_imLocale]);
1289
1290 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1291 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1292
1293 if (term->rs[Rs_imLocale])
1294 SET_LOCALE (term->locale);
1295 }
1296 else
1297 str = (void *)text->string.wide_char;
1298
1299 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1300 DT_INT, call_data->caret,
1301 DT_INT, call_data->chg_first,
1302 DT_INT, call_data->chg_length,
1303 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1304 DT_WCS_LEN, str, str ? (int)text->length : 0,
1305 DT_END));
1306 }
1307 else
1308 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1309 DT_INT, call_data->caret,
1310 DT_INT, call_data->chg_first,
1311 DT_INT, call_data->chg_length,
1312 DT_END));
1313}
1314
1315#if 0
1316static void
1317xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1318{
1319 ((rxvt_term *)client_data)->make_current ();
1320 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1321 DT_INT, call_data->position,
1322 DT_INT, call_data->direction,
1323 DT_INT, call_data->style,
1324 DT_END));
1325}
1326#endif
1327
1328#endif
1315 1329
1316/* 1330/*
1317 * Try to open a XIM with the current modifiers, then see if we can 1331 * Try to open a XIM with the current modifiers, then see if we can
1318 * open a suitable preedit type 1332 * open a suitable preedit type
1319 */ 1333 */
1326 XRectangle rect, status_rect, needed_rect; 1340 XRectangle rect, status_rect, needed_rect;
1327 unsigned long fg, bg; 1341 unsigned long fg, bg;
1328 const char *p; 1342 const char *p;
1329 char **s; 1343 char **s;
1330 XIMStyles *xim_styles; 1344 XIMStyles *xim_styles;
1345#ifdef ENABLE_XIM_ONTHESPOT
1346 XIMCallback xcb[4];
1347#endif
1331 1348
1332 set_environ (envv); 1349 set_environ (envv);
1333 1350
1334 if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) 1351 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1335 return false; 1352 return false;
1336 1353
1337 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1338 input_method = display->get_xim (locale, modifiers); 1354 input_method = display->get_xim (locale, modifiers);
1339 if (input_method == NULL) 1355 if (input_method == NULL)
1340 return false; 1356 return false;
1341 1357
1342 xim = input_method->xim; 1358 xim = input_method->xim;
1362 s = rxvt_splitcommastring (p); 1378 s = rxvt_splitcommastring (p);
1363 1379
1364 for (i = found = 0; !found && s[i]; i++) 1380 for (i = found = 0; !found && s[i]; i++)
1365 { 1381 {
1366 if (!strcmp (s[i], "OverTheSpot")) 1382 if (!strcmp (s[i], "OverTheSpot"))
1367 input_style = (XIMPreeditPosition | XIMStatusNothing); 1383 input_style = XIMPreeditPosition | XIMStatusNothing;
1368 else if (!strcmp (s[i], "OffTheSpot")) 1384 else if (!strcmp (s[i], "OffTheSpot"))
1369 input_style = (XIMPreeditArea | XIMStatusArea); 1385 input_style = XIMPreeditArea | XIMStatusArea;
1370 else if (!strcmp (s[i], "Root")) 1386 else if (!strcmp (s[i], "Root"))
1371 input_style = (XIMPreeditNothing | XIMStatusNothing); 1387 input_style = XIMPreeditNothing | XIMStatusNothing;
1372 else if (!strcmp (s[i], "None")) 1388 else if (!strcmp (s[i], "None"))
1373 input_style = (XIMPreeditNone | XIMStatusNone); 1389 input_style = XIMPreeditNone | XIMStatusNone;
1390#ifdef ENABLE_XIM_ONTHESPOT
1391 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1392 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1393#endif
1394 else
1395 input_style = XIMPreeditNothing | XIMStatusNothing;
1374 1396
1375 for (j = 0; j < xim_styles->count_styles; j++) 1397 for (j = 0; j < xim_styles->count_styles; j++)
1376 if (input_style == xim_styles->supported_styles[j]) 1398 if (input_style == xim_styles->supported_styles[j])
1377 { 1399 {
1378 rxvt_freecommastring (s); 1400 rxvt_freecommastring (s);
1467 XNBackground, bg, 1489 XNBackground, bg,
1468 XNArea, &status_rect, 1490 XNArea, &status_rect,
1469 XNFontSet, fs, 1491 XNFontSet, fs,
1470 NULL); 1492 NULL);
1471 } 1493 }
1494 else if (input_style & XIMPreeditCallbacks)
1495 {
1496 im_set_position (spot);
1497
1498 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1499 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1500 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1501#if 0
1502 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1503#endif
1504
1505 preedit_attr = XVaCreateNestedList (0,
1506 XNSpotLocation, &spot,
1507 XNPreeditStartCallback, &xcb[0],
1508 XNPreeditDoneCallback , &xcb[1],
1509 XNPreeditDrawCallback , &xcb[2],
1510#if 0
1511 XNPreeditCaretCallback, &xcb[3],
1512#endif
1513 NULL);
1514 }
1472 1515
1473 Input_Context = XCreateIC (xim, 1516 Input_Context = XCreateIC (xim,
1474 XNInputStyle, input_style, 1517 XNInputStyle, input_style,
1475 XNClientWindow, vt, 1518 XNClientWindow, vt,
1476 XNFocusWindow, parent[0], 1519 XNFocusWindow, parent[0],
1488 rxvt_warn ("failed to create input context, continuing without XIM.\n"); 1531 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1489 im_destroy (); 1532 im_destroy ();
1490 return false; 1533 return false;
1491 } 1534 }
1492 1535
1536#if 0
1537 // unfortunately, only the focus window is used by XIM, hard to fix
1538 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1539 vt_select_input ();
1540#endif
1541
1493 if (input_style & XIMPreeditArea) 1542 if (input_style & XIMPreeditArea)
1494 IMSetStatusPosition (); 1543 IMSetStatusPosition ();
1495 1544
1496 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1497 return true; 1545 return true;
1498} 1546}
1499 1547
1500void 1548void
1501rxvt_term::im_cb () 1549rxvt_term::im_cb ()
1507 1555
1508 make_current (); 1556 make_current ();
1509 1557
1510 im_destroy (); 1558 im_destroy ();
1511 1559
1512 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1513 if (Input_Context) 1560 if (Input_Context)
1514 return; 1561 return;
1515 1562
1516#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1563#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1517 if (rs[Rs_imLocale]) 1564 if (rs[Rs_imLocale])

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