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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.192 by root, Fri Jan 20 12:16:28 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 ())
469#ifdef HAVE_SCROLLBARS 473#ifdef HAVE_SCROLLBARS
470 if (OPTION (Opt_scrollBar)) 474 if (OPTION (Opt_scrollBar))
471 scrollBar.setIdle (); /* set existence for size calculations */ 475 scrollBar.setIdle (); /* set existence for size calculations */
472#endif 476#endif
473 477
474 pty = rxvt_new_ptytty (); 478 pty = ptytty::create ();
475 479
476 create_windows (argc, argv); 480 create_windows (argc, argv);
477 481
478 dDisp; 482 dDisp;
479 483
508 pty_ev.start (pty->pty, EVENT_READ); 512 pty_ev.start (pty->pty, EVENT_READ);
509 513
510 check_ev.start (); 514 check_ev.start ();
511 515
512 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
513 527
514 XMapWindow (disp, vt); 528 XMapWindow (disp, vt);
515 XMapWindow (disp, parent[0]); 529 XMapWindow (disp, parent[0]);
516 530
517 return true; 531 return true;
525 * Catch a fatal signal and tidy up before quitting 539 * Catch a fatal signal and tidy up before quitting
526 */ 540 */
527 void 541 void
528 sig_term (sig_watcher &w) 542 sig_term (sig_watcher &w)
529 { 543 {
530#ifdef DEBUG_CMD
531 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
532#endif
533 rxvt_emergency_cleanup (); 544 rxvt_emergency_cleanup ();
534 signal (w.signum, SIG_DFL); 545 signal (w.signum, SIG_DFL);
535 kill (getpid (), w.signum); 546 kill (getpid (), w.signum);
536 } 547 }
537 548
545char **rxvt_environ; // startup environment 556char **rxvt_environ; // startup environment
546 557
547void 558void
548rxvt_init () 559rxvt_init ()
549{ 560{
550 uid_t uid = getuid (); 561 ptytty::init ();
551 gid_t gid = getgid ();
552
553 // before doing anything else, check for setuid/setgid operation,
554 // start the helper process and drop privileges
555 if (uid != geteuid ()
556 || gid != getegid ())
557 {
558#if PTYTTY_HELPER
559 rxvt_ptytty_server ();
560#else
561 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
562#endif
563
564 // drop privileges
565#if HAVE_SETRESUID
566 setresgid (gid, gid, gid);
567 setresuid (uid, uid, uid);
568#elif HAVE_SETREUID
569 setregid (gid, gid);
570 setreuid (uid, uid);
571#elif HAVE_SETUID
572 setgid (gid);
573 setuid (uid);
574#endif
575
576 if (uid != geteuid ()
577 || gid != getegid ())
578 rxvt_fatal ("unable to drop privileges, aborting.\n");
579 }
580 562
581 rxvt_environ = environ; 563 rxvt_environ = environ;
582 564
583 signal (SIGHUP, SIG_IGN); 565 signal (SIGHUP, SIG_IGN);
584 signal (SIGPIPE, SIG_IGN); 566 signal (SIGPIPE, SIG_IGN);
643 short recalc_x, recalc_y; 625 short recalc_x, recalc_y;
644 int x, y, sb_w, flags; 626 int x, y, sb_w, flags;
645 unsigned int w, h; 627 unsigned int w, h;
646 unsigned int max_width, max_height; 628 unsigned int max_width, max_height;
647 dDisp; 629 dDisp;
648
649 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
650 ncol, nrow, szHint.width, szHint.height));
651 630
652 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 631 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
653 szHint.win_gravity = NorthWestGravity; 632 szHint.win_gravity = NorthWestGravity;
654 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ 633 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
655 634
758 if (recalc_y) 737 if (recalc_y)
759 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth; 738 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
760 739
761 ncol = width / fwidth; 740 ncol = width / fwidth;
762 nrow = height / fheight; 741 nrow = height / fheight;
763 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
764 ncol, nrow, szHint.width,
765 szHint.height));
766 return;
767} 742}
768 743
769/*----------------------------------------------------------------------*/ 744/*----------------------------------------------------------------------*/
770/* 745/*
771 * Tell the teletype handler what size the window is. 746 * Tell the teletype handler what size the window is.
1055 * -------------------------------------------------------------------- */ 1030 * -------------------------------------------------------------------- */
1056void 1031void
1057rxvt_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)
1058{ 1033{
1059 int fix_screen; 1034 int fix_screen;
1060 int old_width = szHint.width, old_height = szHint.height; 1035 int old_width = szHint.width;
1036 int old_height = szHint.height;
1061 dDisp; 1037 dDisp;
1062 1038
1063 window_calc (newwidth, newheight); 1039 window_calc (newwidth, newheight);
1064 XSetWMNormalHints (disp, parent[0], &szHint); 1040 XSetWMNormalHints (disp, parent[0], &szHint);
1065 1041
1087 { 1063 {
1088 x -= x1; 1064 x -= x1;
1089 y -= y1; 1065 y -= y1;
1090 } 1066 }
1091 1067
1092 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2; 1068 x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
1093 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2; 1069 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1094 dx = old_width - szHint.width; 1070 dx = old_width - szHint.width;
1095 dy = old_height - szHint.height; 1071 dy = old_height - szHint.height;
1096 1072
1097 /* Check position of the center of the window */ 1073 /* Check position of the center of the window */
1098 if (x < x1) /* left half */ 1074 if (x < x1) /* left half */
1099 dx = 0; 1075 dx = 0;
1132 resize_pixmap (); 1108 resize_pixmap ();
1133#endif 1109#endif
1134 } 1110 }
1135 1111
1136 if (fix_screen || old_height == 0) 1112 if (fix_screen || old_height == 0)
1137 {
1138 int curr_screen = -1;
1139 int old_ncol = prev_ncol;
1140
1141 /* scr_reset only works on the primary screen */
1142 if (old_height) /* this is not the first time through */
1143 {
1144 unsigned int ocol = ncol;
1145 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1146 curr_screen = scr_change_screen (PRIMARY);
1147 ncol = ocol;
1148 }
1149
1150 scr_reset (); 1113 scr_reset ();
1151
1152 if (curr_screen >= 0) /* this is not the first time through */
1153 {
1154 scr_change_screen (curr_screen);
1155 selection_check (old_ncol != ncol ? 4 : 0);
1156 }
1157 }
1158
1159 old_width = szHint.width;
1160 old_height = szHint.height;
1161 1114
1162#ifdef XPM_BACKGROUND 1115#ifdef XPM_BACKGROUND
1163 if (pixmap) 1116 if (pixmap)
1164 scr_touch (false); 1117 scr_touch (false);
1165#endif 1118#endif
1268 XPoint nspot; 1221 XPoint nspot;
1269 XVaNestedList preedit_attr; 1222 XVaNestedList preedit_attr;
1270 1223
1271 if (!Input_Context 1224 if (!Input_Context
1272 || !focus 1225 || !focus
1273 || !(input_style & XIMPreeditPosition)) 1226 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1274 return; 1227 return;
1275 1228
1276 im_set_position (nspot); 1229 im_set_position (nspot);
1277 1230
1278 if (nspot.x == spot.x && nspot.y == spot.y) 1231 if (nspot.x == spot.x && nspot.y == spot.y)
1297 input_method = 0; 1250 input_method = 0;
1298 } 1251 }
1299 1252
1300 Input_Context = 0; 1253 Input_Context = 0;
1301} 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
1302 1329
1303/* 1330/*
1304 * 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
1305 * open a suitable preedit type 1332 * open a suitable preedit type
1306 */ 1333 */
1313 XRectangle rect, status_rect, needed_rect; 1340 XRectangle rect, status_rect, needed_rect;
1314 unsigned long fg, bg; 1341 unsigned long fg, bg;
1315 const char *p; 1342 const char *p;
1316 char **s; 1343 char **s;
1317 XIMStyles *xim_styles; 1344 XIMStyles *xim_styles;
1345#ifdef ENABLE_XIM_ONTHESPOT
1346 XIMCallback xcb[4];
1347#endif
1318 1348
1319 set_environ (envv); 1349 set_environ (envv);
1320 1350
1321 if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) 1351 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1322 return false; 1352 return false;
1323 1353
1324 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1325 input_method = display->get_xim (locale, modifiers); 1354 input_method = display->get_xim (locale, modifiers);
1326 if (input_method == NULL) 1355 if (input_method == NULL)
1327 return false; 1356 return false;
1328 1357
1329 xim = input_method->xim; 1358 xim = input_method->xim;
1349 s = rxvt_splitcommastring (p); 1378 s = rxvt_splitcommastring (p);
1350 1379
1351 for (i = found = 0; !found && s[i]; i++) 1380 for (i = found = 0; !found && s[i]; i++)
1352 { 1381 {
1353 if (!strcmp (s[i], "OverTheSpot")) 1382 if (!strcmp (s[i], "OverTheSpot"))
1354 input_style = (XIMPreeditPosition | XIMStatusNothing); 1383 input_style = XIMPreeditPosition | XIMStatusNothing;
1355 else if (!strcmp (s[i], "OffTheSpot")) 1384 else if (!strcmp (s[i], "OffTheSpot"))
1356 input_style = (XIMPreeditArea | XIMStatusArea); 1385 input_style = XIMPreeditArea | XIMStatusArea;
1357 else if (!strcmp (s[i], "Root")) 1386 else if (!strcmp (s[i], "Root"))
1358 input_style = (XIMPreeditNothing | XIMStatusNothing); 1387 input_style = XIMPreeditNothing | XIMStatusNothing;
1359 else if (!strcmp (s[i], "None")) 1388 else if (!strcmp (s[i], "None"))
1360 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;
1361 1396
1362 for (j = 0; j < xim_styles->count_styles; j++) 1397 for (j = 0; j < xim_styles->count_styles; j++)
1363 if (input_style == xim_styles->supported_styles[j]) 1398 if (input_style == xim_styles->supported_styles[j])
1364 { 1399 {
1365 rxvt_freecommastring (s); 1400 rxvt_freecommastring (s);
1454 XNBackground, bg, 1489 XNBackground, bg,
1455 XNArea, &status_rect, 1490 XNArea, &status_rect,
1456 XNFontSet, fs, 1491 XNFontSet, fs,
1457 NULL); 1492 NULL);
1458 } 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 }
1459 1515
1460 Input_Context = XCreateIC (xim, 1516 Input_Context = XCreateIC (xim,
1461 XNInputStyle, input_style, 1517 XNInputStyle, input_style,
1462 XNClientWindow, vt, 1518 XNClientWindow, vt,
1463 XNFocusWindow, parent[0], 1519 XNFocusWindow, parent[0],
1475 rxvt_warn ("failed to create input context, continuing without XIM.\n"); 1531 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1476 im_destroy (); 1532 im_destroy ();
1477 return false; 1533 return false;
1478 } 1534 }
1479 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
1480 if (input_style & XIMPreeditArea) 1542 if (input_style & XIMPreeditArea)
1481 IMSetStatusPosition (); 1543 IMSetStatusPosition ();
1482 1544
1483 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1484 return true; 1545 return true;
1485} 1546}
1486 1547
1487void 1548void
1488rxvt_term::im_cb () 1549rxvt_term::im_cb ()
1494 1555
1495 make_current (); 1556 make_current ();
1496 1557
1497 im_destroy (); 1558 im_destroy ();
1498 1559
1499 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1500 if (Input_Context) 1560 if (Input_Context)
1501 return; 1561 return;
1502 1562
1503#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1563#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1504 if (rs[Rs_imLocale]) 1564 if (rs[Rs_imLocale])

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