321 lines
11 KiB
C
321 lines
11 KiB
C
/*
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* Copyright (C) 1997-2004, Michael Jennings
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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static const char cvs_ident[] = "$Id$";
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#include "config.h"
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#include "feature.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <ctype.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/Xos.h>
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#include "startup.h"
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#include "actions.h"
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#include "buttons.h"
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#include "command.h"
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#include "eterm_utmp.h"
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#include "events.h"
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#include "options.h"
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#include "pixmap.h"
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#include "screen.h"
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#include "scrollbar.h"
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#include "term.h"
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#include "windows.h"
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#include "screamcfg.h"
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char *orig_argv0;
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#ifdef PIXMAP_SUPPORT
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/* Set to one in case there is no WM, or a lousy one
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that doesn't send the right events (*cough*
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Window Maker *cough*) -- mej */
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short bg_needs_update = 1;
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#endif
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TermWin_t TermWin;
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Display *Xdisplay; /* display */
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Colormap cmap;
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char *display_name = NULL;
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unsigned int colorfgbg;
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Atom props[NUM_PROPS];
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int
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eterm_bootstrap(int argc, char *argv[])
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{
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int i;
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char *val;
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static char windowid_string[20], *display_string, *term_string; /* "WINDOWID=\0" = 10 chars, UINT_MAX = 10 chars */
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orig_argv0 = argv[0];
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/* Security enhancements -- mej */
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putenv("IFS= \t\n");
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my_ruid = getuid();
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my_euid = geteuid();
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my_rgid = getgid();
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my_egid = getegid();
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privileges(REVERT);
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install_handlers();
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PABLO_START_TRACING();
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getcwd(initial_dir, PATH_MAX);
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init_libast();
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/* Open display, get options/resources and create the window */
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if (getenv("DISPLAY") == NULL) {
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display_name = STRDUP(":0");
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} else {
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display_name = STRDUP(getenv("DISPLAY"));
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}
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/* This MUST be called before any other Xlib functions */
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spifopt_parse(argc, argv);
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init_defaults();
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#ifdef NEED_LINUX_HACK
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privileges(INVOKE); /* xdm in new Linux versions requires ruid != root to open the display -- mej */
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#endif
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Xdisplay = XOpenDisplay(display_name);
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#ifdef NEED_LINUX_HACK
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privileges(REVERT);
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#endif
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if (!Xdisplay) {
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print_error("can't open display %s\n", display_name);
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exit(EXIT_FAILURE);
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}
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XSetErrorHandler((XErrorHandler) xerror_handler);
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if (BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_INSTALL)) {
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cmap = XCreateColormap(Xdisplay, Xroot, Xvisual, AllocNone);
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XInstallColormap(Xdisplay, cmap);
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} else {
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cmap = Xcmap;
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}
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#ifdef PIXMAP_SUPPORT
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imlib_context_set_display(Xdisplay);
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imlib_context_set_visual(Xvisual);
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imlib_context_set_colormap(cmap);
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imlib_context_set_dither_mask(0);
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#endif
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get_modifiers(); /* Set up modifier masks before parsing config files. */
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/* Get all our properties set up. */
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MEMSET(props, 0, sizeof(props));
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props[PROP_DESKTOP] = XInternAtom(Xdisplay, "_NET_WM_DESKTOP", False);
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props[PROP_TRANS_PIXMAP] = XInternAtom(Xdisplay, "_XROOTPMAP_ID", False);
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props[PROP_TRANS_COLOR] = XInternAtom(Xdisplay, "_XROOTCOLOR_PIXEL", False);
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props[PROP_SELECTION_DEST] = XInternAtom(Xdisplay, "VT_SELECTION", False);
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props[PROP_SELECTION_INCR] = XInternAtom(Xdisplay, "INCR", False);
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props[PROP_SELECTION_TARGETS] = XInternAtom(Xdisplay, "TARGETS", False);
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props[PROP_ENL_COMMS] = XInternAtom(Xdisplay, "ENLIGHTENMENT_COMMS", True);
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props[PROP_ENL_MSG] = XInternAtom(Xdisplay, "ENL_MSG", False);
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props[PROP_DELETE_WINDOW] = XInternAtom(Xdisplay, "WM_DELETE_WINDOW", False);
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props[PROP_DND_PROTOCOL] = XInternAtom(Xdisplay, "DndProtocol", False);
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props[PROP_DND_SELECTION] = XInternAtom(Xdisplay, "DndSelection", False);
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props[PROP_EWMH_ICON] = XInternAtom(Xdisplay, "_NET_WM_ICON", False);
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if ((theme_dir = conf_parse_theme(&rs_theme, THEME_CFG, PARSE_TRY_ALL)) != NULL) {
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char *tmp;
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D_OPTIONS(("conf_parse_theme() returned \"%s\"\n", theme_dir));
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tmp = (char *) MALLOC(strlen(theme_dir) + sizeof("ETERM_THEME_ROOT=\0"));
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sprintf(tmp, "ETERM_THEME_ROOT=%s", theme_dir);
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putenv(tmp);
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}
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if ((user_dir = conf_parse_theme(&rs_theme, (rs_config_file ? rs_config_file : USER_CFG), (PARSE_TRY_USER_THEME))) != NULL) {
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char *tmp;
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D_OPTIONS(("conf_parse_theme() returned \"%s\"\n", user_dir));
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tmp = (char *) MALLOC(strlen(user_dir) + sizeof("ETERM_USER_ROOT=\0"));
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sprintf(tmp, "ETERM_USER_ROOT=%s", user_dir);
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putenv(tmp);
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}
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#if defined(PIXMAP_SUPPORT)
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if (rs_path || theme_dir || user_dir) {
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register unsigned long len;
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register char *tmp;
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len = strlen(initial_dir);
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if (rs_path) {
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len += strlen(rs_path) + 1; /* +1 for the colon */
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}
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if (theme_dir) {
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len += strlen(theme_dir) + 1;
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}
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if (user_dir) {
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len += strlen(user_dir) + 1;
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}
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tmp = MALLOC(len + 1); /* +1 here for the NUL */
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snprintf(tmp, len + 1, "%s%s%s%s%s%s%s", (rs_path ? rs_path : ""), (rs_path ? ":" : ""), initial_dir,
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(theme_dir ? ":" : ""), (theme_dir ? theme_dir : ""), (user_dir ? ":" : ""), (user_dir ? user_dir : ""));
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tmp[len] = '\0';
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FREE(rs_path);
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rs_path = tmp;
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D_OPTIONS(("New rs_path set to \"%s\"\n", rs_path));
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}
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#endif
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spifopt_parse(argc, argv);
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D_UTMP(("Saved real uid/gid = [ %d, %d ] effective uid/gid = [ %d, %d ]\n", my_ruid, my_rgid, my_euid, my_egid));
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D_UTMP(("Now running with real uid/gid = [ %d, %d ] effective uid/gid = [ %d, %d ]\n", getuid(), getgid(), geteuid(), getegid()));
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#ifdef ESCREEN
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# define ESCREEN_PREFIX "Escreen"
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TermWin.screen = NULL;
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TermWin.screen_mode = NS_MODE_NONE;
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if (rs_url) {
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if (!BEG_STRCASECMP(rs_url, NS_TWIN_PROTO)) {
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TermWin.screen_mode = NS_MODE_TWIN;
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} else if (!BEG_STRCASECMP(rs_url, NS_SCREEN_PROTO)) {
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TermWin.screen_mode = NS_MODE_SCREEN;
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} else if (!BEG_STRCASECMP(rs_url, NS_SCREAM_PROTO)) {
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TermWin.screen_mode = NS_MODE_SCREAM;
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} else {
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TermWin.screen_mode = NS_MODE_NEGOTIATE;
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}
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} else if (!strcmp(ESCREEN_PREFIX, my_basename(orig_argv0))) {
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TermWin.screen_mode = NS_MODE_SCREEN;
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}
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#endif
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post_parse();
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#ifdef PREFER_24BIT
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/*
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* If depth is not 24, look for a 24bit visual.
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*/
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if (Xdepth != 24) {
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XVisualInfo vinfo;
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if (XMatchVisualInfo(Xdisplay, Xscreen, 24, TrueColor, &vinfo)) {
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Xdepth = 24;
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Xvisual = vinfo.visual;
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cmap = XCreateColormap(Xdisplay, RootWindow(Xdisplay, Xscreen), Xvisual, AllocNone);
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}
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}
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#endif
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process_colors();
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Create_Windows(argc, argv);
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scr_reset(); /* initialize screen */
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/* Initialize the scrollbar */
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scrollbar_init(szHint.width, szHint.height - bbar_calc_docked_height(BBAR_DOCKED));
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scrollbar_mapping((BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_SCROLLBAR)) && !((BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_SCROLLBAR_POPUP)) && !TermWin.focus));
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/* Initialize the menu subsystem. */
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menu_init();
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if (buttonbar) {
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bbar_init(buttonbar, szHint.width);
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}
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#if DEBUG >= DEBUG_X
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if (DEBUG_LEVEL >= DEBUG_X) {
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XSync(Xdisplay, False);
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XSynchronize(Xdisplay, True);
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}
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#endif
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#ifdef DISPLAY_IS_IP
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/* Fixup display_name for export over pty to any interested terminal
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* clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
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* (for the first non-loopback interface) that we get from
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* network_display(). This is more "name-resolution-portable", if you
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* will, and probably allows for faster x-client startup if your name
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* server is beyond a slow link or overloaded at client startup. Of
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* course that only helps the shell's child processes, not us.
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*
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* Giving out the display_name also affords a potential security hole
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*/
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val = display_name = network_display(display_name);
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if (val == NULL)
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#endif /* DISPLAY_IS_IP */
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val = XDisplayString(Xdisplay);
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if (display_name == NULL)
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display_name = val; /* use broken `:0' value */
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i = strlen(val);
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display_string = MALLOC(i + 9);
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sprintf(display_string, "DISPLAY=%s", val);
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sprintf(windowid_string, "WINDOWID=%u", (unsigned int) TermWin.parent);
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/* add entries to the environment:
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* DISPLAY: X display name
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* WINDOWID: X windowid of the window
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* COLORTERM: Terminal supports color
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* COLORTERM_BCE: Terminal supports BCE
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* TERM: Terminal type for termcap/terminfo
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*/
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putenv(display_string);
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putenv(windowid_string);
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if (Xdepth <= 2) {
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putenv("COLORTERM=" COLORTERMENV "-mono");
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putenv("COLORTERM_BCE=" COLORTERMENV "-mono");
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putenv("TERM=" TERMENV);
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} else {
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if (rs_term_name != NULL) {
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i = strlen(rs_term_name);
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term_string = MALLOC(i + 6);
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sprintf(term_string, "TERM=%s", rs_term_name);
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putenv(term_string);
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} else {
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#ifdef DEFINE_XTERM_COLOR
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if (Xdepth <= 2)
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putenv("TERM=" TERMENV);
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else
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putenv("TERM=" TERMENV "-color");
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#else
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putenv("TERM=" TERMENV);
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#endif
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}
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putenv("COLORTERM=" COLORTERMENV);
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putenv("COLORTERM_BCE=" COLORTERMENV);
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}
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putenv("ETERM_VERSION=" VERSION);
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D_CMD(("init_command()\n"));
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init_command(rs_exec_args);
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main_loop();
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return (EXIT_SUCCESS);
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}
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