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/*----------------------------------------------------------------------* |
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* File: init.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
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* - original version |
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* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
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* - extensive modifications |
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* Copyright (c) 1996 Chuck Blake <cblake@BBN.COM> |
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* Copyright (c) 1997 mj olesen <olesen@me.queensu.ca> |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* - extensive modifications |
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* Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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/* |
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* Initialisation routines. |
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*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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#include "rxvtutil.h" |
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#include "init.h" |
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|
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#include <limits> |
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|
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#include <csignal> |
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|
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#include <fcntl.h> |
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|
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#ifdef HAVE_XSETLOCALE |
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# define X_LOCALE |
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# include <X11/Xlocale.h> |
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#else |
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# ifdef HAVE_SETLOCALE |
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# include <clocale> |
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# endif |
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#endif |
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|
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#ifdef HAVE_NL_LANGINFO |
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# include <langinfo.h> |
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#endif |
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|
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#ifdef DISPLAY_IS_IP |
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/* On Solaris link with -lsocket and -lnsl */ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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|
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/* these next two are probably only on Sun (not Solaris) */ |
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#ifdef HAVE_SYS_SOCKIO_H |
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#include <sys/sockio.h> |
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#endif |
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#ifdef HAVE_SYS_BYTEORDER_H |
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#include <sys/byteorder.h> |
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#endif |
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|
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#include <netinet/in.h> |
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#include <arpa/inet.h> |
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#include <net/if.h> |
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#include <net/if_arp.h> |
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|
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static char * |
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rxvt_network_display (const char *display) |
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{ |
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char buffer[1024], *rval = NULL; |
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struct ifconf ifc; |
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struct ifreq *ifr; |
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int i, skfd; |
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|
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if (display[0] != ':' && strncmp (display, "unix:", 5)) |
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return (char *) display; /* nothing to do */ |
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|
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ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */ |
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ifc.ifc_buf = buffer; |
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|
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if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0) |
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{ |
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perror ("socket"); |
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return NULL; |
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} |
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|
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if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0) |
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{ |
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perror ("SIOCGIFCONF"); |
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close (skfd); |
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return NULL; |
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} |
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|
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for (i = 0, ifr = ifc.ifc_req; |
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i < (ifc.ifc_len / sizeof (struct ifreq)); |
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i++, ifr++) |
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{ |
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struct ifreq ifr2; |
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|
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strcpy (ifr2.ifr_name, ifr->ifr_name); |
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|
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if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0) |
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{ |
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unsigned long addr; |
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struct sockaddr_in *p_addr; |
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|
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p_addr = (struct sockaddr_in *) &ifr2.ifr_addr; |
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addr = htonl ((unsigned long)p_addr->sin_addr.s_addr); |
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|
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/* |
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* not "0.0.0.0" or "127.0.0.1" - so format the address |
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*/ |
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if (addr && addr != 0x7F000001) |
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{ |
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char *colon = strchr (display, ':'); |
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|
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if (colon == NULL) |
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colon = ":0.0"; |
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|
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rval = rxvt_malloc (strlen (colon) + 16); |
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sprintf (rval, "%d.%d.%d.%d%s", |
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(int) ((addr >> 030) & 0xFF), |
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(int) ((addr >> 020) & 0xFF), |
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(int) ((addr >> 010) & 0xFF), |
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(int) (addr & 0xFF), colon); |
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break; |
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} |
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} |
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} |
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|
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close (skfd); |
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|
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return rval; |
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} |
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#endif |
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|
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const char *const def_colorName[] = |
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{ |
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COLOR_FOREGROUND, |
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COLOR_BACKGROUND, |
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/* low-intensity colors */ |
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"rgb:00/00/00", // 0: black (Black) |
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"rgb:cd/00/00", // 1: red (Red3) |
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"rgb:00/cd/00", // 2: green (Green3) |
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"rgb:cd/cd/00", // 3: yellow (Yellow3) |
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"rgb:00/00/cd", // 4: blue (Blue3) |
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"rgb:cd/00/cd", // 5: magenta (Magenta3) |
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"rgb:00/cd/cd", // 6: cyan (Cyan3) |
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# ifdef XTERM_COLORS |
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"rgb:e5/e5/e5", // 7: white (Grey90) |
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# else |
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"rgb:fa/eb/d7", // 7: white (AntiqueWhite) |
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# endif |
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/* high-intensity colors */ |
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# ifdef XTERM_COLORS |
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"rgb:4d/4d/4d", // 8: bright black (Grey30) |
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# else |
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"rgb:40/40/40", // 8: bright black (Grey25) |
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# endif |
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"rgb:ff/00/00", // 1/9: bright red (Reed) |
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"rgb:00/ff/00", // 2/10: bright green (Green) |
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"rgb:ff/ff/00", // 3/11: bright yellow (Yellow) |
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"rgb:00/00/ff", // 4/12: bright blue (Blue) |
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"rgb:ff/00/ff", // 5/13: bright magenta (Magenta) |
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"rgb:00/ff/ff", // 6/14: bright cyan (Cyan) |
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"rgb:ff/ff/ff", // 7/15: bright white (White) |
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|
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// 88 xterm colours |
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"rgb:00/00/00", |
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"rgb:00/00/8b", |
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"rgb:00/00/cd", |
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"rgb:00/00/ff", |
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"rgb:00/8b/00", |
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"rgb:00/8b/8b", |
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"rgb:00/8b/cd", |
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"rgb:00/8b/ff", |
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"rgb:00/cd/00", |
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"rgb:00/cd/8b", |
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"rgb:00/cd/cd", |
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"rgb:00/cd/ff", |
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"rgb:00/ff/00", |
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"rgb:00/ff/8b", |
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"rgb:00/ff/cd", |
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"rgb:00/ff/ff", |
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"rgb:8b/00/00", |
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"rgb:8b/00/8b", |
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"rgb:8b/00/cd", |
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"rgb:8b/00/ff", |
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"rgb:8b/8b/00", |
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"rgb:8b/8b/8b", |
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"rgb:8b/8b/cd", |
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"rgb:8b/8b/ff", |
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"rgb:8b/cd/00", |
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"rgb:8b/cd/8b", |
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"rgb:8b/cd/cd", |
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"rgb:8b/cd/ff", |
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"rgb:8b/ff/00", |
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"rgb:8b/ff/8b", |
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"rgb:8b/ff/cd", |
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"rgb:8b/ff/ff", |
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"rgb:cd/00/00", |
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"rgb:cd/00/8b", |
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"rgb:cd/00/cd", |
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"rgb:cd/00/ff", |
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"rgb:cd/8b/00", |
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"rgb:cd/8b/8b", |
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"rgb:cd/8b/cd", |
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"rgb:cd/8b/ff", |
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"rgb:cd/cd/00", |
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"rgb:cd/cd/8b", |
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"rgb:cd/cd/cd", |
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"rgb:cd/cd/ff", |
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"rgb:cd/ff/00", |
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"rgb:cd/ff/8b", |
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"rgb:cd/ff/cd", |
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"rgb:cd/ff/ff", |
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"rgb:ff/00/00", |
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"rgb:ff/00/8b", |
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"rgb:ff/00/cd", |
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"rgb:ff/00/ff", |
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"rgb:ff/8b/00", |
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"rgb:ff/8b/8b", |
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"rgb:ff/8b/cd", |
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"rgb:ff/8b/ff", |
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"rgb:ff/cd/00", |
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"rgb:ff/cd/8b", |
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"rgb:ff/cd/cd", |
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"rgb:ff/cd/ff", |
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"rgb:ff/ff/00", |
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"rgb:ff/ff/8b", |
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"rgb:ff/ff/cd", |
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"rgb:ff/ff/ff", |
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"rgb:2e/2e/2e", |
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"rgb:5c/5c/5c", |
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"rgb:73/73/73", |
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"rgb:8b/8b/8b", |
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"rgb:a2/a2/a2", |
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"rgb:b9/b9/b9", |
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"rgb:d0/d0/d0", |
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"rgb:e7/e7/e7", |
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|
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#ifndef NO_CURSORCOLOR |
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COLOR_CURSOR_BACKGROUND, |
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COLOR_CURSOR_FOREGROUND, |
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#endif /* ! NO_CURSORCOLOR */ |
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NULL, /* Color_pointer_fg */ |
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NULL, /* Color_pointer_bg */ |
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NULL, /* Color_border */ |
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#ifndef NO_BOLD_UNDERLINE_REVERSE |
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NULL, /* Color_BD */ |
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NULL, /* Color_IT */ |
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NULL, /* Color_UL */ |
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NULL, /* Color_RV */ |
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#endif /* ! NO_BOLD_UNDERLINE_REVERSE */ |
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#if ENABLE_FRILLS |
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NULL, // Color_underline |
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#endif |
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#ifdef OPTION_HC |
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NULL, |
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#endif |
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#ifdef KEEP_SCROLLCOLOR |
272 |
COLOR_SCROLLBAR, |
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COLOR_SCROLLTROUGH, |
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#endif /* KEEP_SCROLLCOLOR */ |
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#if ENABLE_TRANSPARENCY |
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NULL, |
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#endif |
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#if OFF_FOCUS_FADING |
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"rgb:00/00/00", |
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#endif |
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}; |
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|
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void |
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rxvt_term::init_vars () |
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{ |
286 |
pix_colors = // |
287 |
pix_colors_focused = new rxvt_color [TOTAL_COLORS]; |
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#ifdef OFF_FOCUS_FADING |
289 |
pix_colors_unfocused = new rxvt_color [TOTAL_COLORS]; |
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#endif |
291 |
|
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MEvent.time = CurrentTime; |
293 |
MEvent.button = AnyButton; |
294 |
want_refresh = 1; |
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priv_modes = SavedModes = PrivMode_Default; |
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ncol = 80; |
297 |
nrow = 24; |
298 |
int_bwidth = INTERNALBORDERWIDTH; |
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ext_bwidth = EXTERNALBORDERWIDTH; |
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lineSpace = LINESPACE; |
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saveLines = SAVELINES; |
302 |
|
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refresh_type = SLOW_REFRESH; |
304 |
|
305 |
oldcursor.row = oldcursor.col = -1; |
306 |
last_bot = last_state = -1; |
307 |
|
308 |
set_option (Opt_scrollBar); |
309 |
set_option (Opt_scrollTtyOutput); |
310 |
set_option (Opt_jumpScroll); |
311 |
set_option (Opt_skipScroll); |
312 |
set_option (Opt_secondaryScreen); |
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set_option (Opt_secondaryScroll); |
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set_option (Opt_pastableTabs); |
315 |
set_option (Opt_intensityStyles); |
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set_option (Opt_iso14755_52); |
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} |
318 |
|
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void |
320 |
rxvt_term::init_secondary () |
321 |
{ |
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int i; |
323 |
|
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/* |
325 |
* Close all unused file descriptors |
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* We don't want them, we don't need them. |
327 |
*/ |
328 |
if ((i = open ("/dev/null", O_RDONLY)) < 0) |
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{ |
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/* TODO: BOO HISS */ |
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dup2 (STDERR_FILENO, STDIN_FILENO); |
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} |
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else if (i != STDIN_FILENO) |
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{ |
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dup2 (i, STDIN_FILENO); |
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close (i); |
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} |
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|
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dup2 (STDERR_FILENO, STDOUT_FILENO); |
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|
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#if 0 // schmorp sayz closing filies is murder |
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for (i = STDERR_FILENO + 1; i < num_fds; i++) |
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{ |
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#ifdef __sgi /* Alex Coventry says we need 4 & 7 too */ |
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if (i == 4 || i == 7) |
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continue; |
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#endif |
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close (i); |
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} |
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#endif |
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} |
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|
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/*----------------------------------------------------------------------*/ |
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const char ** |
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rxvt_term::init_resources (int argc, const char *const *argv) |
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{ |
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int i, r_argc; |
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const char **cmd_argv, **r_argv; |
359 |
|
360 |
/* |
361 |
* Look for -e option. Find => split and make cmd_argv[] of command args |
362 |
*/ |
363 |
for (r_argc = 0; r_argc < argc; r_argc++) |
364 |
if (!strcmp (argv[r_argc], "-e")) |
365 |
break; |
366 |
|
367 |
if (r_argc == argc) |
368 |
cmd_argv = NULL; |
369 |
else if (!argv[r_argc + 1]) |
370 |
rxvt_fatal ("option '-e' requires an argument, aborting.\n"); |
371 |
else |
372 |
{ |
373 |
cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc)); |
374 |
|
375 |
for (i = 0; i < argc - r_argc - 1; i++) |
376 |
cmd_argv[i] = (const char *)argv[i + r_argc + 1]; |
377 |
|
378 |
cmd_argv[i] = NULL; |
379 |
} |
380 |
|
381 |
r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1)); |
382 |
|
383 |
for (i = 0; i < r_argc; i++) |
384 |
r_argv[i] = (const char *)argv[i]; |
385 |
|
386 |
r_argv[i] = NULL; |
387 |
|
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rs[Rs_name] = rxvt_basename (argv[0]); |
389 |
|
390 |
/* |
391 |
* Open display, get options/resources and create the window |
392 |
*/ |
393 |
|
394 |
if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL) |
395 |
rs[Rs_display_name] = ":0"; |
396 |
|
397 |
get_options (r_argc, r_argv); |
398 |
|
399 |
if (!(display = displays.get (rs[Rs_display_name]))) |
400 |
{ |
401 |
free (r_argv); |
402 |
rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]); |
403 |
} |
404 |
|
405 |
// using a local pointer decreases code size a lot |
406 |
xa = display->xa; |
407 |
|
408 |
set (display); |
409 |
extract_resources (); |
410 |
|
411 |
#if XFT |
412 |
if (rs[Rs_depth]) |
413 |
select_visual (strtol (rs[Rs_depth], 0, 0)); |
414 |
#endif |
415 |
|
416 |
#ifdef HAVE_AFTERIMAGE |
417 |
asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL); |
418 |
#endif |
419 |
free (r_argv); |
420 |
|
421 |
for (int i = NUM_RESOURCES; i--; ) |
422 |
if (rs [i] == resval_undef) |
423 |
rs [i] = 0; |
424 |
|
425 |
#if ENABLE_PERL |
426 |
if (!rs[Rs_perl_ext_1]) |
427 |
rs[Rs_perl_ext_1] = "default"; |
428 |
|
429 |
if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) |
430 |
|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) |
431 |
|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
432 |
{ |
433 |
rxvt_perl.init (this); |
434 |
HOOK_INVOKE ((this, HOOK_INIT, DT_END)); |
435 |
} |
436 |
#endif |
437 |
|
438 |
/* |
439 |
* set any defaults not already set |
440 |
*/ |
441 |
if (cmd_argv && cmd_argv[0]) |
442 |
{ |
443 |
if (!rs[Rs_title]) |
444 |
rs[Rs_title] = rxvt_basename (cmd_argv[0]); |
445 |
if (!rs[Rs_iconName]) |
446 |
rs[Rs_iconName] = rs[Rs_title]; |
447 |
} |
448 |
else |
449 |
{ |
450 |
if (!rs[Rs_title]) |
451 |
rs[Rs_title] = rs[Rs_name]; |
452 |
if (!rs[Rs_iconName]) |
453 |
rs[Rs_iconName] = rs[Rs_name]; |
454 |
} |
455 |
|
456 |
if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0) |
457 |
saveLines = min (i, MAX_SAVELINES); |
458 |
|
459 |
#if ENABLE_FRILLS |
460 |
if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0) |
461 |
int_bwidth = min (i, std::numeric_limits<int16_t>::max ()); |
462 |
|
463 |
if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0) |
464 |
ext_bwidth = min (i, std::numeric_limits<int16_t>::max ()); |
465 |
|
466 |
if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0) |
467 |
lineSpace = min (i, std::numeric_limits<int16_t>::max ()); |
468 |
#endif |
469 |
|
470 |
#ifdef POINTER_BLANK |
471 |
if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0) |
472 |
pointerBlankDelay = i; |
473 |
else |
474 |
pointerBlankDelay = 2; |
475 |
#endif |
476 |
|
477 |
/* no point having a scrollbar without having any scrollback! */ |
478 |
if (!saveLines) |
479 |
set_option (Opt_scrollBar, 0); |
480 |
|
481 |
#ifdef PRINTPIPE |
482 |
if (!rs[Rs_print_pipe]) |
483 |
rs[Rs_print_pipe] = PRINTPIPE; |
484 |
#endif |
485 |
|
486 |
if (!rs[Rs_cutchars]) |
487 |
rs[Rs_cutchars] = CUTCHARS; |
488 |
|
489 |
#ifndef NO_BACKSPACE_KEY |
490 |
if (!rs[Rs_backspace_key]) |
491 |
# ifdef DEFAULT_BACKSPACE |
492 |
rs[Rs_backspace_key] = DEFAULT_BACKSPACE; |
493 |
# else |
494 |
rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */ |
495 |
# endif |
496 |
#endif |
497 |
|
498 |
#ifndef NO_DELETE_KEY |
499 |
if (!rs[Rs_delete_key]) |
500 |
# ifdef DEFAULT_DELETE |
501 |
rs[Rs_delete_key] = DEFAULT_DELETE; |
502 |
# else |
503 |
rs[Rs_delete_key] = "\033[3~"; |
504 |
# endif |
505 |
#endif |
506 |
|
507 |
#ifdef HAVE_SCROLLBARS |
508 |
setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]); |
509 |
#endif |
510 |
|
511 |
#ifdef XTERM_REVERSE_VIDEO |
512 |
/* this is how xterm implements reverseVideo */ |
513 |
if (option (Opt_reverseVideo)) |
514 |
{ |
515 |
if (!rs[Rs_color + Color_fg]) |
516 |
rs[Rs_color + Color_fg] = def_colorName[Color_bg]; |
517 |
|
518 |
if (!rs[Rs_color + Color_bg]) |
519 |
rs[Rs_color + Color_bg] = def_colorName[Color_fg]; |
520 |
} |
521 |
#endif |
522 |
|
523 |
for (i = 0; i < NRS_COLORS; i++) |
524 |
if (!rs[Rs_color + i]) |
525 |
rs[Rs_color + i] = def_colorName[i]; |
526 |
|
527 |
#ifndef XTERM_REVERSE_VIDEO |
528 |
/* this is how we implement reverseVideo */ |
529 |
if (option (Opt_reverseVideo)) |
530 |
::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]); |
531 |
#endif |
532 |
|
533 |
/* convenient aliases for setting fg/bg to colors */ |
534 |
color_aliases (Color_fg); |
535 |
color_aliases (Color_bg); |
536 |
#ifndef NO_CURSORCOLOR |
537 |
color_aliases (Color_cursor); |
538 |
color_aliases (Color_cursor2); |
539 |
#endif /* NO_CURSORCOLOR */ |
540 |
color_aliases (Color_pointer_fg); |
541 |
color_aliases (Color_pointer_bg); |
542 |
color_aliases (Color_border); |
543 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
544 |
color_aliases (Color_BD); |
545 |
color_aliases (Color_UL); |
546 |
color_aliases (Color_RV); |
547 |
#endif /* ! NO_BOLD_UNDERLINE_REVERSE */ |
548 |
|
549 |
if (!rs[Rs_color + Color_border]) |
550 |
rs[Rs_color + Color_border] = rs[Rs_color + Color_bg]; |
551 |
|
552 |
return cmd_argv; |
553 |
} |
554 |
|
555 |
/*----------------------------------------------------------------------*/ |
556 |
void |
557 |
rxvt_term::init_env () |
558 |
{ |
559 |
int i; |
560 |
char *val; |
561 |
|
562 |
#ifdef DISPLAY_IS_IP |
563 |
/* Fixup display_name for export over pty to any interested terminal |
564 |
* clients via "ESC[7n" (e.g. shells). Note we use the pure IP number |
565 |
* (for the first non-loopback interface) that we get from |
566 |
* rxvt_network_display (). This is more "name-resolution-portable", if you |
567 |
* will, and probably allows for faster x-client startup if your name |
568 |
* server is beyond a slow link or overloaded at client startup. Of |
569 |
* course that only helps the shell's child processes, not us. |
570 |
* |
571 |
* Giving out the display_name also affords a potential security hole |
572 |
*/ |
573 |
val = rxvt_network_display (rs[Rs_display_name]); |
574 |
rs[Rs_display_name] = (const char *)val; |
575 |
|
576 |
if (val == NULL) |
577 |
#endif /* DISPLAY_IS_IP */ |
578 |
val = XDisplayString (dpy); |
579 |
|
580 |
if (rs[Rs_display_name] == NULL) |
581 |
rs[Rs_display_name] = val; /* use broken `:0' value */ |
582 |
|
583 |
i = strlen (val); |
584 |
env_display = (char *)rxvt_malloc (i + 9); |
585 |
|
586 |
sprintf (env_display, "DISPLAY=%s", val); |
587 |
|
588 |
sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]); |
589 |
|
590 |
/* add entries to the environment: |
591 |
* @ DISPLAY: in case we started with -display |
592 |
* @ WINDOWID: X window id number of the window |
593 |
* @ COLORTERM: terminal sub-name and also indicates its color |
594 |
* @ TERM: terminal name |
595 |
* @ TERMINFO: path to terminfo directory |
596 |
* @ COLORFGBG: fg;bg color codes |
597 |
*/ |
598 |
putenv (env_display); |
599 |
putenv (env_windowid); |
600 |
|
601 |
if (env_colorfgbg) |
602 |
putenv (env_colorfgbg); |
603 |
|
604 |
#ifdef RXVT_TERMINFO |
605 |
putenv ("TERMINFO=" RXVT_TERMINFO); |
606 |
#endif |
607 |
|
608 |
if (depth <= 2) |
609 |
putenv ("COLORTERM=" COLORTERMENV "-mono"); |
610 |
else |
611 |
putenv ("COLORTERM=" COLORTERMENVFULL); |
612 |
|
613 |
if (rs[Rs_term_name] != NULL) |
614 |
{ |
615 |
env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6); |
616 |
sprintf (env_term, "TERM=%s", rs[Rs_term_name]); |
617 |
putenv (env_term); |
618 |
} |
619 |
else |
620 |
putenv ("TERM=" TERMENV); |
621 |
|
622 |
#ifdef HAVE_UNSETENV |
623 |
/* avoid passing old settings and confusing term size */ |
624 |
unsetenv ("LINES"); |
625 |
unsetenv ("COLUMNS"); |
626 |
unsetenv ("TERMCAP"); /* terminfo should be okay */ |
627 |
#endif /* HAVE_UNSETENV */ |
628 |
} |
629 |
|
630 |
/*----------------------------------------------------------------------*/ |
631 |
/* |
632 |
* This is more or less stolen straight from XFree86 xterm. |
633 |
* This should support all European type languages. |
634 |
*/ |
635 |
void |
636 |
rxvt_term::set_locale (const char *locale) |
637 |
{ |
638 |
set_environ (envv); |
639 |
|
640 |
#if HAVE_XSETLOCALE || HAVE_SETLOCALE |
641 |
free (this->locale); |
642 |
this->locale = setlocale (LC_CTYPE, locale); |
643 |
|
644 |
if (!this->locale) |
645 |
{ |
646 |
if (*locale) |
647 |
{ |
648 |
rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale); |
649 |
setlocale (LC_CTYPE, "C"); |
650 |
} |
651 |
else |
652 |
rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n"); |
653 |
|
654 |
this->locale = "C"; |
655 |
} |
656 |
|
657 |
|
658 |
this->locale = strdup (this->locale); |
659 |
SET_LOCALE (this->locale); |
660 |
mbstate.reset (); |
661 |
#endif |
662 |
|
663 |
#if HAVE_NL_LANGINFO |
664 |
char *codeset = strdup (nl_langinfo (CODESET)); |
665 |
// /^UTF.?8/i |
666 |
enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u') |
667 |
&& (codeset[1] == 'T' || codeset[1] == 't') |
668 |
&& (codeset[2] == 'F' || codeset[2] == 'f') |
669 |
&& (codeset[3] == '8' || codeset[4] == '8'); |
670 |
free (codeset); |
671 |
#else |
672 |
enc_utf8 = 0; |
673 |
#endif |
674 |
} |
675 |
|
676 |
void |
677 |
rxvt_term::init_xlocale () |
678 |
{ |
679 |
set_environ (envv); |
680 |
|
681 |
#ifdef USE_XIM |
682 |
if (!locale) |
683 |
rxvt_warn ("setting locale failed, working without locale support.\n"); |
684 |
else |
685 |
{ |
686 |
set_string_property (xa[XA_WM_LOCALE_NAME], locale); |
687 |
|
688 |
if (!XSupportsLocale ()) |
689 |
{ |
690 |
rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n"); |
691 |
return; |
692 |
} |
693 |
|
694 |
im_ev.start (display); |
695 |
|
696 |
/* see if we can connect already */ |
697 |
im_cb (); |
698 |
} |
699 |
#endif |
700 |
} |
701 |
|
702 |
/*----------------------------------------------------------------------*/ |
703 |
void |
704 |
rxvt_term::init_command (const char *const *argv) |
705 |
{ |
706 |
/* |
707 |
* Initialize the command connection. |
708 |
* This should be called after the X server connection is established. |
709 |
*/ |
710 |
|
711 |
#ifdef META8_OPTION |
712 |
meta_char = option (Opt_meta8) ? 0x80 : C0_ESC; |
713 |
#endif |
714 |
|
715 |
get_ourmods (); |
716 |
|
717 |
if (!option (Opt_scrollTtyOutput)) |
718 |
priv_modes |= PrivMode_TtyOutputInh; |
719 |
if (option (Opt_scrollTtyKeypress)) |
720 |
priv_modes |= PrivMode_Keypress; |
721 |
if (!option (Opt_jumpScroll)) |
722 |
priv_modes |= PrivMode_smoothScroll; |
723 |
|
724 |
#ifndef NO_BACKSPACE_KEY |
725 |
if (strcmp (rs[Rs_backspace_key], "DEC") == 0) |
726 |
priv_modes |= PrivMode_HaveBackSpace; |
727 |
#endif |
728 |
|
729 |
/* add value for scrollBar */ |
730 |
if (scrollBar.state) |
731 |
{ |
732 |
priv_modes |= PrivMode_scrollBar; |
733 |
SavedModes |= PrivMode_scrollBar; |
734 |
} |
735 |
|
736 |
run_command (argv); |
737 |
} |
738 |
|
739 |
/*----------------------------------------------------------------------*/ |
740 |
void |
741 |
rxvt_term::Get_Colours () |
742 |
{ |
743 |
int i; |
744 |
|
745 |
#ifdef OFF_FOCUS_FADING |
746 |
pix_colors = pix_colors_focused; |
747 |
#endif |
748 |
|
749 |
for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
750 |
{ |
751 |
const char *name = rs[Rs_color + i]; |
752 |
|
753 |
if (!name) |
754 |
continue; |
755 |
|
756 |
rxvt_color xcol; |
757 |
|
758 |
if (!set_color (xcol, name)) |
759 |
{ |
760 |
#ifndef XTERM_REVERSE_VIDEO |
761 |
if (i < 2 && option (Opt_reverseVideo)) |
762 |
name = def_colorName [1 - i]; |
763 |
else |
764 |
#endif |
765 |
name = def_colorName [i]; |
766 |
|
767 |
if (!name) |
768 |
continue; |
769 |
|
770 |
if (!set_color (xcol, name)) |
771 |
{ |
772 |
switch (i) |
773 |
{ |
774 |
case Color_fg: |
775 |
case Color_bg: |
776 |
rxvt_warn ("unable to get foreground/background colour, continuing.\n"); |
777 |
name = ""; |
778 |
break; |
779 |
#ifndef NO_CURSORCOLOR |
780 |
case Color_cursor2: |
781 |
#endif |
782 |
case Color_pointer_fg: |
783 |
name = rs[Rs_color + Color_fg]; |
784 |
xcol.set (this, name); |
785 |
break; |
786 |
default: |
787 |
name = rs[Rs_color + Color_bg]; |
788 |
xcol.set (this, name); |
789 |
break; |
790 |
} |
791 |
} |
792 |
} |
793 |
|
794 |
pix_colors[i] = xcol; |
795 |
rs[Rs_color + i] = name; |
796 |
} |
797 |
|
798 |
if (depth <= 2) |
799 |
{ |
800 |
if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg); |
801 |
if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg); |
802 |
if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg); |
803 |
} |
804 |
|
805 |
/* |
806 |
* get scrollBar shadow colors |
807 |
* |
808 |
* The calculations of topShadow/bottomShadow values are adapted |
809 |
* from the fvwm window manager. |
810 |
*/ |
811 |
#ifdef KEEP_SCROLLCOLOR |
812 |
if (depth <= 2) |
813 |
{ |
814 |
/* Monochrome */ |
815 |
alias_color (Color_scroll, Color_fg); |
816 |
alias_color (Color_topShadow, Color_bg); |
817 |
alias_color (Color_bottomShadow, Color_bg); |
818 |
} |
819 |
else |
820 |
{ |
821 |
pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]); |
822 |
|
823 |
rgba cscroll; |
824 |
pix_colors [Color_scroll].get (cscroll); |
825 |
|
826 |
/* topShadowColor */ |
827 |
if (!pix_colors[Color_topShadow].set (this, |
828 |
rgba ( |
829 |
min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5), |
830 |
min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5), |
831 |
min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5), |
832 |
cscroll.a) |
833 |
)) |
834 |
alias_color (Color_topShadow, Color_White); |
835 |
} |
836 |
#endif /* KEEP_SCROLLCOLOR */ |
837 |
|
838 |
#ifdef OFF_FOCUS_FADING |
839 |
for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++) |
840 |
update_fade_color (i); |
841 |
#endif |
842 |
} |
843 |
|
844 |
/*----------------------------------------------------------------------*/ |
845 |
/* color aliases, fg/bg bright-bold */ |
846 |
void |
847 |
rxvt_term::color_aliases (int idx) |
848 |
{ |
849 |
if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx]))) |
850 |
{ |
851 |
int i = atoi (rs[Rs_color + idx]); |
852 |
|
853 |
if (i >= 8 && i <= 15) |
854 |
/* bright colors */ |
855 |
rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i - 8]; |
856 |
else if (i >= 0 && i <= 7) |
857 |
/* normal colors */ |
858 |
rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i]; |
859 |
} |
860 |
} |
861 |
|
862 |
/*----------------------------------------------------------------------*/ |
863 |
/* |
864 |
* Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings |
865 |
* Use resource ``modifier'' to override the Meta modifier |
866 |
*/ |
867 |
void |
868 |
rxvt_term::get_ourmods () |
869 |
{ |
870 |
int i, j, k; |
871 |
int requestedmeta, realmeta, realalt; |
872 |
const char *cm, *rsmod; |
873 |
XModifierKeymap *map; |
874 |
KeyCode *kc; |
875 |
const unsigned int modmasks[] = |
876 |
{ |
877 |
Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask |
878 |
}; |
879 |
|
880 |
requestedmeta = realmeta = realalt = 0; |
881 |
rsmod = rs[Rs_modifier]; |
882 |
|
883 |
if (rsmod |
884 |
&& strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0) |
885 |
requestedmeta = rsmod[3] - '0'; |
886 |
|
887 |
map = XGetModifierMapping (dpy); |
888 |
kc = map->modifiermap; |
889 |
|
890 |
for (i = 1; i < 6; i++) |
891 |
{ |
892 |
k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */ |
893 |
|
894 |
for (j = map->max_keypermod; j--; k++) |
895 |
{ |
896 |
if (kc[k] == 0) |
897 |
break; |
898 |
|
899 |
switch (XKeycodeToKeysym (dpy, kc[k], 0)) |
900 |
{ |
901 |
case XK_Num_Lock: |
902 |
ModNumLockMask = modmasks[i - 1]; |
903 |
continue; |
904 |
|
905 |
case XK_ISO_Level3_Shift: |
906 |
ModLevel3Mask = modmasks[i - 1]; |
907 |
continue; |
908 |
|
909 |
case XK_Meta_L: |
910 |
case XK_Meta_R: |
911 |
cm = "meta"; |
912 |
realmeta = i; |
913 |
break; |
914 |
|
915 |
case XK_Alt_L: |
916 |
case XK_Alt_R: |
917 |
cm = "alt"; |
918 |
realalt = i; |
919 |
break; |
920 |
|
921 |
case XK_Super_L: |
922 |
case XK_Super_R: |
923 |
cm = "super"; |
924 |
break; |
925 |
|
926 |
case XK_Hyper_L: |
927 |
case XK_Hyper_R: |
928 |
cm = "hyper"; |
929 |
break; |
930 |
|
931 |
default: |
932 |
continue; |
933 |
} |
934 |
|
935 |
if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0) |
936 |
requestedmeta = i; |
937 |
} |
938 |
} |
939 |
|
940 |
XFreeModifiermap (map); |
941 |
|
942 |
i = requestedmeta ? requestedmeta |
943 |
: realmeta ? realmeta |
944 |
: realalt ? realalt |
945 |
: 0; |
946 |
|
947 |
if (i) |
948 |
ModMetaMask = modmasks[i - 1]; |
949 |
} |
950 |
|
951 |
/*----------------------------------------------------------------------*/ |
952 |
/* rxvt_Create_Windows () - Open and map the window */ |
953 |
void |
954 |
rxvt_term::create_windows (int argc, const char *const *argv) |
955 |
{ |
956 |
XClassHint classHint; |
957 |
XWMHints wmHint; |
958 |
#if ENABLE_FRILLS |
959 |
MWMHints mwmhints = { }; |
960 |
#endif |
961 |
XGCValues gcvalue; |
962 |
XSetWindowAttributes attributes; |
963 |
Window top, parent; |
964 |
|
965 |
dLocal (Display *, dpy); |
966 |
|
967 |
/* grab colors before netscape does */ |
968 |
Get_Colours (); |
969 |
|
970 |
if (!set_fonts ()) |
971 |
rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n"); |
972 |
|
973 |
parent = display->root; |
974 |
|
975 |
attributes.override_redirect = !!option (Opt_override_redirect); |
976 |
|
977 |
#if ENABLE_FRILLS |
978 |
if (option (Opt_borderLess)) |
979 |
{ |
980 |
if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None) |
981 |
{ |
982 |
// rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n"); |
983 |
attributes.override_redirect = true; |
984 |
} |
985 |
else |
986 |
{ |
987 |
mwmhints.flags = MWM_HINTS_DECORATIONS; |
988 |
} |
989 |
} |
990 |
#endif |
991 |
|
992 |
#if ENABLE_XEMBED |
993 |
if (rs[Rs_embed]) |
994 |
{ |
995 |
XWindowAttributes wattr; |
996 |
|
997 |
parent = strtol (rs[Rs_embed], 0, 0); |
998 |
|
999 |
if (!XGetWindowAttributes (dpy, parent, &wattr)) |
1000 |
rxvt_fatal ("invalid window-id specified with -embed, aborting.\n"); |
1001 |
|
1002 |
window_calc (wattr.width, wattr.height); |
1003 |
} |
1004 |
#endif |
1005 |
|
1006 |
window_calc (0, 0); |
1007 |
|
1008 |
/* sub-window placement & size in rxvt_resize_subwindows () */ |
1009 |
attributes.background_pixel = pix_colors_focused [Color_border]; |
1010 |
attributes.border_pixel = pix_colors_focused [Color_border]; |
1011 |
attributes.colormap = cmap; |
1012 |
|
1013 |
top = XCreateWindow (dpy, parent, |
1014 |
szHint.x, szHint.y, |
1015 |
szHint.width, szHint.height, |
1016 |
ext_bwidth, |
1017 |
depth, InputOutput, visual, |
1018 |
CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect, |
1019 |
&attributes); |
1020 |
|
1021 |
this->parent[0] = top; |
1022 |
|
1023 |
old_width = szHint.width; |
1024 |
old_height = szHint.height; |
1025 |
|
1026 |
process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST); |
1027 |
process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST); |
1028 |
|
1029 |
classHint.res_name = (char *)rs[Rs_name]; |
1030 |
classHint.res_class = (char *)RESCLASS; |
1031 |
|
1032 |
wmHint.flags = InputHint | StateHint | WindowGroupHint; |
1033 |
wmHint.input = True; |
1034 |
wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState; |
1035 |
wmHint.window_group = top; |
1036 |
|
1037 |
XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc, |
1038 |
&szHint, &wmHint, &classHint); |
1039 |
|
1040 |
#if ENABLE_FRILLS |
1041 |
if (mwmhints.flags) |
1042 |
XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32, |
1043 |
PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS); |
1044 |
#endif |
1045 |
|
1046 |
Atom protocols[] = { |
1047 |
xa[XA_WM_DELETE_WINDOW], |
1048 |
#if ENABLE_EWMH |
1049 |
xa[XA_NET_WM_PING], |
1050 |
#endif |
1051 |
}; |
1052 |
|
1053 |
XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0])); |
1054 |
|
1055 |
#if ENABLE_FRILLS |
1056 |
if (rs[Rs_transient_for]) |
1057 |
XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0)); |
1058 |
#endif |
1059 |
|
1060 |
#if ENABLE_EWMH |
1061 |
long pid = getpid (); |
1062 |
|
1063 |
XChangeProperty (dpy, top, |
1064 |
xa[XA_NET_WM_PID], XA_CARDINAL, 32, |
1065 |
PropModeReplace, (unsigned char *)&pid, 1); |
1066 |
|
1067 |
// _NET_WM_WINDOW_TYPE is NORMAL, which is the default |
1068 |
#endif |
1069 |
|
1070 |
XSelectInput (dpy, top, |
1071 |
KeyPressMask |
1072 |
#if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755 |
1073 |
| KeyReleaseMask |
1074 |
#endif |
1075 |
| FocusChangeMask | VisibilityChangeMask |
1076 |
| ExposureMask | StructureNotifyMask); |
1077 |
|
1078 |
termwin_ev.start (display, top); |
1079 |
|
1080 |
/* vt cursor: Black-on-White is standard, but this is more popular */ |
1081 |
TermWin_cursor = XCreateFontCursor (dpy, XC_xterm); |
1082 |
|
1083 |
#ifdef HAVE_SCROLLBARS |
1084 |
/* cursor scrollBar: Black-on-White */ |
1085 |
leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr); |
1086 |
#endif |
1087 |
|
1088 |
/* the vt window */ |
1089 |
vt = XCreateSimpleWindow (dpy, top, |
1090 |
window_vt_x, window_vt_y, |
1091 |
width, height, |
1092 |
0, |
1093 |
pix_colors_focused[Color_fg], |
1094 |
pix_colors_focused[Color_bg]); |
1095 |
|
1096 |
attributes.bit_gravity = NorthWestGravity; |
1097 |
XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes); |
1098 |
|
1099 |
vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask; |
1100 |
|
1101 |
if (option (Opt_pointerBlank)) |
1102 |
vt_emask |= PointerMotionMask; |
1103 |
else |
1104 |
vt_emask |= Button1MotionMask | Button3MotionMask; |
1105 |
|
1106 |
vt_select_input (); |
1107 |
|
1108 |
vt_ev.start (display, vt); |
1109 |
|
1110 |
/* graphics context for the vt window */ |
1111 |
gcvalue.foreground = pix_colors[Color_fg]; |
1112 |
gcvalue.background = pix_colors[Color_bg]; |
1113 |
gcvalue.graphics_exposures = 0; |
1114 |
|
1115 |
gc = XCreateGC (dpy, vt, |
1116 |
GCForeground | GCBackground | GCGraphicsExposures, |
1117 |
&gcvalue); |
1118 |
|
1119 |
drawable = new rxvt_drawable (this, vt); |
1120 |
|
1121 |
#ifdef RXVT_SCROLLBAR |
1122 |
gcvalue.foreground = pix_colors[Color_topShadow]; |
1123 |
topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1124 |
gcvalue.foreground = pix_colors[Color_bottomShadow]; |
1125 |
botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1126 |
gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)]; |
1127 |
scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue); |
1128 |
#endif |
1129 |
|
1130 |
#ifdef OFF_FOCUS_FADING |
1131 |
// initially we are in unfocused state |
1132 |
if (rs[Rs_fade]) |
1133 |
pix_colors = pix_colors_unfocused; |
1134 |
#endif |
1135 |
|
1136 |
pointer_unblank (); |
1137 |
scr_recolour (); |
1138 |
} |
1139 |
|
1140 |
/* ------------------------------------------------------------------------- * |
1141 |
* GET TTY CURRENT STATE * |
1142 |
* ------------------------------------------------------------------------- */ |
1143 |
void |
1144 |
rxvt_get_ttymode (ttymode_t *tio, int erase) |
1145 |
{ |
1146 |
/* |
1147 |
* standard System V termios interface |
1148 |
*/ |
1149 |
if (GET_TERMIOS (STDIN_FILENO, tio) < 0) |
1150 |
{ |
1151 |
// return error - use system defaults, |
1152 |
// where possible, and zero elsewhere |
1153 |
memset (tio, 0, sizeof (ttymode_t)); |
1154 |
|
1155 |
tio->c_cc[VINTR] = CINTR; |
1156 |
tio->c_cc[VQUIT] = CQUIT; |
1157 |
tio->c_cc[VERASE] = CERASE; |
1158 |
#ifdef VERASE2 |
1159 |
tio->c_cc[VERASE2] = CERASE2; |
1160 |
#endif |
1161 |
tio->c_cc[VKILL] = CKILL; |
1162 |
tio->c_cc[VSTART] = CSTART; |
1163 |
tio->c_cc[VSTOP] = CSTOP; |
1164 |
tio->c_cc[VSUSP] = CSUSP; |
1165 |
# ifdef VDSUSP |
1166 |
tio->c_cc[VDSUSP] = CDSUSP; |
1167 |
# endif |
1168 |
# ifdef VREPRINT |
1169 |
tio->c_cc[VREPRINT] = CRPRNT; |
1170 |
# endif |
1171 |
# ifdef VDISCRD |
1172 |
tio->c_cc[VDISCRD] = CFLUSH; |
1173 |
# endif |
1174 |
# ifdef VWERSE |
1175 |
tio->c_cc[VWERSE] = CWERASE; |
1176 |
# endif |
1177 |
# ifdef VLNEXT |
1178 |
tio->c_cc[VLNEXT] = CLNEXT; |
1179 |
# endif |
1180 |
} |
1181 |
|
1182 |
tio->c_cc[VEOF] = CEOF; |
1183 |
tio->c_cc[VEOL] = VDISABLE; |
1184 |
# ifdef VEOL2 |
1185 |
tio->c_cc[VEOL2] = VDISABLE; |
1186 |
# endif |
1187 |
# ifdef VSWTC |
1188 |
tio->c_cc[VSWTC] = VDISABLE; |
1189 |
# endif |
1190 |
# ifdef VSWTCH |
1191 |
tio->c_cc[VSWTCH] = VDISABLE; |
1192 |
# endif |
1193 |
# if VMIN != VEOF |
1194 |
tio->c_cc[VMIN] = 1; |
1195 |
# endif |
1196 |
# if VTIME != VEOL |
1197 |
tio->c_cc[VTIME] = 0; |
1198 |
# endif |
1199 |
|
1200 |
if (erase != -1) |
1201 |
tio->c_cc[VERASE] = (char)erase; |
1202 |
|
1203 |
/* input modes */ |
1204 |
tio->c_iflag = (BRKINT | IGNPAR | ICRNL |
1205 |
# ifdef IMAXBEL |
1206 |
| IMAXBEL |
1207 |
# endif |
1208 |
| IXON); |
1209 |
|
1210 |
/* output modes */ |
1211 |
tio->c_oflag = (OPOST | ONLCR); |
1212 |
|
1213 |
/* control modes */ |
1214 |
tio->c_cflag = (CS8 | CREAD); |
1215 |
|
1216 |
/* line discipline modes */ |
1217 |
tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO |
1218 |
# if defined (ECHOCTL) && defined (ECHOKE) |
1219 |
| ECHOCTL | ECHOKE |
1220 |
# endif |
1221 |
| ECHOE | ECHOK); |
1222 |
|
1223 |
/* |
1224 |
* Debugging |
1225 |
*/ |
1226 |
#ifdef DEBUG_TTYMODE |
1227 |
/* c_iflag bits */ |
1228 |
fprintf (stderr, "Input flags\n"); |
1229 |
|
1230 |
/* cpp token stringize doesn't work on all machines <sigh> */ |
1231 |
# define FOO(flag,name) \ |
1232 |
if ((tio->c_iflag) & flag) \ |
1233 |
fprintf (stderr, "%s ", name) |
1234 |
|
1235 |
/* c_iflag bits */ |
1236 |
FOO (IGNBRK, "IGNBRK"); |
1237 |
FOO (BRKINT, "BRKINT"); |
1238 |
FOO (IGNPAR, "IGNPAR"); |
1239 |
FOO (PARMRK, "PARMRK"); |
1240 |
FOO (INPCK, "INPCK"); |
1241 |
FOO (ISTRIP, "ISTRIP"); |
1242 |
FOO (INLCR, "INLCR"); |
1243 |
FOO (IGNCR, "IGNCR"); |
1244 |
FOO (ICRNL, "ICRNL"); |
1245 |
FOO (IXON, "IXON"); |
1246 |
FOO (IXOFF, "IXOFF"); |
1247 |
# ifdef IUCLC |
1248 |
FOO (IUCLC, "IUCLC"); |
1249 |
# endif |
1250 |
# ifdef IXANY |
1251 |
FOO (IXANY, "IXANY"); |
1252 |
# endif |
1253 |
# ifdef IMAXBEL |
1254 |
FOO (IMAXBEL, "IMAXBEL"); |
1255 |
# endif |
1256 |
|
1257 |
fprintf (stderr, "\n"); |
1258 |
|
1259 |
# undef FOO |
1260 |
# define FOO(entry, name) \ |
1261 |
fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry]) |
1262 |
|
1263 |
FOO (VINTR, "VINTR"); |
1264 |
FOO (VQUIT, "VQUIT"); |
1265 |
FOO (VERASE, "VERASE"); |
1266 |
FOO (VKILL, "VKILL"); |
1267 |
FOO (VEOF, "VEOF"); |
1268 |
FOO (VEOL, "VEOL"); |
1269 |
# ifdef VEOL2 |
1270 |
FOO (VEOL2, "VEOL2"); |
1271 |
# endif |
1272 |
# ifdef VSWTC |
1273 |
FOO (VSWTC, "VSWTC"); |
1274 |
# endif |
1275 |
# ifdef VSWTCH |
1276 |
FOO (VSWTCH, "VSWTCH"); |
1277 |
# endif |
1278 |
FOO (VSTART, "VSTART"); |
1279 |
FOO (VSTOP, "VSTOP"); |
1280 |
FOO (VSUSP, "VSUSP"); |
1281 |
# ifdef VDSUSP |
1282 |
FOO (VDSUSP, "VDSUSP"); |
1283 |
# endif |
1284 |
# ifdef VREPRINT |
1285 |
FOO (VREPRINT, "VREPRINT"); |
1286 |
# endif |
1287 |
# ifdef VDISCRD |
1288 |
FOO (VDISCRD, "VDISCRD"); |
1289 |
# endif |
1290 |
# ifdef VWERSE |
1291 |
FOO (VWERSE, "VWERSE"); |
1292 |
# endif |
1293 |
# ifdef VLNEXT |
1294 |
FOO (VLNEXT, "VLNEXT"); |
1295 |
# endif |
1296 |
|
1297 |
fprintf (stderr, "\n"); |
1298 |
# undef FOO |
1299 |
#endif /* DEBUG_TTYMODE */ |
1300 |
} |
1301 |
|
1302 |
/*----------------------------------------------------------------------*/ |
1303 |
/* |
1304 |
* Run the command in a subprocess and return a file descriptor for the |
1305 |
* master end of the pseudo-teletype pair with the command talking to |
1306 |
* the slave. |
1307 |
*/ |
1308 |
void |
1309 |
rxvt_term::run_command (const char *const *argv) |
1310 |
{ |
1311 |
#if ENABLE_FRILLS |
1312 |
if (rs[Rs_pty_fd]) |
1313 |
{ |
1314 |
pty->pty = atoi (rs[Rs_pty_fd]); |
1315 |
|
1316 |
if (pty->pty >= 0) |
1317 |
{ |
1318 |
if (getfd_hook) |
1319 |
pty->pty = (*getfd_hook) (pty->pty); |
1320 |
|
1321 |
if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK)) |
1322 |
rxvt_fatal ("unusable pty-fd filehandle, aborting.\n"); |
1323 |
} |
1324 |
} |
1325 |
else |
1326 |
#endif |
1327 |
if (!pty->get ()) |
1328 |
rxvt_fatal ("can't initialize pseudo-tty, aborting.\n"); |
1329 |
|
1330 |
int er; |
1331 |
|
1332 |
#ifndef NO_BACKSPACE_KEY |
1333 |
if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1]) |
1334 |
er = rs[Rs_backspace_key][0]; |
1335 |
else if (strcmp (rs[Rs_backspace_key], "DEC") == 0) |
1336 |
er = '\177'; /* the initial state anyway */ |
1337 |
else |
1338 |
#endif |
1339 |
er = -1; |
1340 |
|
1341 |
rxvt_get_ttymode (&tio, er); |
1342 |
SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */ |
1343 |
pty->set_utf8_mode (enc_utf8); |
1344 |
|
1345 |
/* set initial window size */ |
1346 |
tt_winch (); |
1347 |
|
1348 |
#if ENABLE_FRILLS |
1349 |
if (rs[Rs_pty_fd]) |
1350 |
return; |
1351 |
#endif |
1352 |
|
1353 |
/* spin off the command interpreter */ |
1354 |
switch (cmd_pid = fork ()) |
1355 |
{ |
1356 |
case -1: |
1357 |
{ |
1358 |
cmd_pid = 0; |
1359 |
rxvt_fatal ("can't fork, aborting.\n"); |
1360 |
} |
1361 |
case 0: |
1362 |
init_env (); |
1363 |
|
1364 |
if (!pty->make_controlling_tty ()) |
1365 |
fprintf (stderr, "%s: could not obtain control of tty.", RESNAME); |
1366 |
else |
1367 |
{ |
1368 |
/* Reopen stdin, stdout and stderr over the tty file descriptor */ |
1369 |
dup2 (pty->tty, STDIN_FILENO); |
1370 |
dup2 (pty->tty, STDOUT_FILENO); |
1371 |
dup2 (pty->tty, STDERR_FILENO); |
1372 |
|
1373 |
// close all our file handles that we do no longer need |
1374 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
1375 |
{ |
1376 |
if ((*t)->pty->pty > 2) close ((*t)->pty->pty); |
1377 |
if ((*t)->pty->tty > 2) close ((*t)->pty->tty); |
1378 |
} |
1379 |
|
1380 |
run_child (argv); |
1381 |
fprintf (stderr, "%s: unable to exec child.", RESNAME); |
1382 |
} |
1383 |
|
1384 |
_exit (EXIT_FAILURE); |
1385 |
|
1386 |
default: |
1387 |
if (!option (Opt_utmpInhibit)) |
1388 |
pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]); |
1389 |
|
1390 |
pty->close_tty (); |
1391 |
|
1392 |
child_ev.start (cmd_pid); |
1393 |
|
1394 |
HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END)); |
1395 |
break; |
1396 |
} |
1397 |
} |
1398 |
|
1399 |
/* ------------------------------------------------------------------------- * |
1400 |
* CHILD PROCESS OPERATIONS * |
1401 |
* ------------------------------------------------------------------------- */ |
1402 |
/* |
1403 |
* The only open file descriptor is the slave tty - so no error messages. |
1404 |
* returns are fatal |
1405 |
*/ |
1406 |
int |
1407 |
rxvt_term::run_child (const char *const *argv) |
1408 |
{ |
1409 |
char *login; |
1410 |
|
1411 |
if (option (Opt_console)) |
1412 |
{ |
1413 |
/* be virtual console, fail silently */ |
1414 |
#ifdef TIOCCONS |
1415 |
unsigned int on = 1; |
1416 |
|
1417 |
ioctl (STDIN_FILENO, TIOCCONS, &on); |
1418 |
#elif defined (SRIOCSREDIR) |
1419 |
int fd; |
1420 |
|
1421 |
fd = open (CONSOLE, O_WRONLY, 0); |
1422 |
if (fd >= 0) |
1423 |
if (ioctl (fd, SRIOCSREDIR, NULL) < 0) |
1424 |
close (fd); |
1425 |
#endif /* SRIOCSREDIR */ |
1426 |
} |
1427 |
|
1428 |
/* reset signals and spin off the command interpreter */ |
1429 |
signal (SIGINT, SIG_DFL); |
1430 |
signal (SIGQUIT, SIG_DFL); |
1431 |
signal (SIGCHLD, SIG_DFL); |
1432 |
signal (SIGHUP, SIG_DFL); |
1433 |
signal (SIGPIPE, SIG_DFL); |
1434 |
/* |
1435 |
* mimick login's behavior by disabling the job control signals |
1436 |
* a shell that wants them can turn them back on |
1437 |
*/ |
1438 |
#ifdef SIGTSTP |
1439 |
signal (SIGTSTP, SIG_IGN); |
1440 |
signal (SIGTTIN, SIG_IGN); |
1441 |
signal (SIGTTOU, SIG_IGN); |
1442 |
#endif /* SIGTSTP */ |
1443 |
|
1444 |
// unblock signals (signals are blocked by iom.C |
1445 |
sigset_t ss; |
1446 |
sigemptyset (&ss); |
1447 |
sigprocmask (SIG_SETMASK, &ss, 0); |
1448 |
|
1449 |
/* command interpreter path */ |
1450 |
if (argv) |
1451 |
{ |
1452 |
# ifdef DEBUG_CMD |
1453 |
int i; |
1454 |
|
1455 |
for (i = 0; argv[i]; i++) |
1456 |
fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]); |
1457 |
# endif |
1458 |
|
1459 |
execvp (argv[0], (char *const *)argv); |
1460 |
/* no error message: STDERR is closed! */ |
1461 |
} |
1462 |
else |
1463 |
{ |
1464 |
const char *argv0, *shell; |
1465 |
|
1466 |
if ((shell = getenv ("SHELL")) == NULL || *shell == '\0') |
1467 |
shell = "/bin/sh"; |
1468 |
|
1469 |
argv0 = (const char *)rxvt_basename (shell); |
1470 |
|
1471 |
if (option (Opt_loginShell)) |
1472 |
{ |
1473 |
login = (char *)rxvt_malloc (strlen (argv0) + 2); |
1474 |
|
1475 |
login[0] = '-'; |
1476 |
strcpy (&login[1], argv0); |
1477 |
argv0 = login; |
1478 |
} |
1479 |
|
1480 |
execlp (shell, argv0, (char *)0); |
1481 |
/* no error message: STDERR is closed! */ |
1482 |
} |
1483 |
|
1484 |
return -1; |
1485 |
} |
1486 |
|
1487 |
/*----------------------- end-of-file (C source) -----------------------*/ |