fff0abad76
Among the first steps to produce better i18n support is to test the created translations adhoc without running "make install". To achieve this, fluxbox now honors several environment variables: - NLSPATH: fluxbox won't create the absolute path to the catalog and thus catopen() is free to use NLSPATH as described in the manpage. Example given: "/tmp/%N" will pick "/tmp/fluxbox.cat". %N refers to FLUXBOX_CATFILE. - FLUXBOX_CATFILE: By setting FLUXBOX_CATFILE the users can make fluxbox to use a different name for the catalog file. Default: "fluxbox.cat" - FLUXBOX_CATDIR: Per default fluxbox tries to find FLUXBOX_CATFILE at several places. Setting this environment variable allows to point fluxbox to a different search path for the catalog files. Then, fluxbox tries catopen() first without changing the deduced catalog file name. After that it applies some heuristics to get a good catalog file name.
290 lines
8.3 KiB
C++
290 lines
8.3 KiB
C++
// main.cc for Fluxbox Window manager
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// Copyright (c) 2001 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
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// and 2003-2005 Simon Bowden (rathnor at users.sourceforge.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is 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 or substantial portions of the Software.
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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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include "fluxbox.hh"
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#include "version.h"
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#include "defaults.hh"
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#include "cli.hh"
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#include "FbTk/I18n.hh"
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#include "FbTk/StringUtil.hh"
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//use GNU extensions
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif // _GNU_SOURCE
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif // HAVE_SYS_WAIT_H
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include <stdexcept>
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#include <typeinfo>
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using std::cout;
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using std::cerr;
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using std::endl;
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using std::string;
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using std::ostream;
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using std::ofstream;
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using std::streambuf;
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using std::auto_ptr;
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using std::out_of_range;
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using std::runtime_error;
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using std::bad_cast;
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using std::bad_alloc;
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using std::exception;
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namespace {
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auto_ptr<Fluxbox> fluxbox;
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void handleSignal(int signum) {
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_FB_USES_NLS;
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static int re_enter = 0;
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switch (signum) {
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#ifndef _WIN32
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case SIGCHLD: // we don't want the child process to kill us
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// more than one process may have terminated
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while (waitpid(-1, 0, WNOHANG | WUNTRACED) > 0);
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break;
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case SIGHUP:
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// xinit sends HUP when it wants to go down. there is no point in
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// restoring anything in the screens / workspaces, the connection
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// to the xserver might drop any moment
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if (fluxbox.get()) { fluxbox->shutdown(1); }
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break;
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case SIGUSR1:
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if (fluxbox.get()) { fluxbox->restart(); }
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break;
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case SIGUSR2:
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if (fluxbox.get()) { fluxbox->reconfigure(); }
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break;
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#endif
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case SIGSEGV:
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abort();
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break;
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case SIGALRM:
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// last resort for shutting down fluxbox. the alarm() is set in
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// Fluxbox::shutdown()
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if (fluxbox.get() && fluxbox->isShuttingDown()) {
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cerr << "fluxbox took longer than expected to shutdown\n";
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exit(13);
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}
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break;
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case SIGFPE:
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case SIGINT:
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#ifndef _WIN32
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case SIGPIPE:
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#endif
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case SIGTERM:
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if (fluxbox.get()) { fluxbox->shutdown(); }
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break;
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default:
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fprintf(stderr,
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_FB_CONSOLETEXT(BaseDisplay, SignalCaught,
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"%s: signal %d caught\n",
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"signal catch debug message. Include %s for Command<void> and %d for signal number").c_str(),
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"TODO: m_arg[0]", signum);
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if (! fluxbox->isStartup() && ! re_enter) {
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re_enter = 1;
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cerr<<_FB_CONSOLETEXT(BaseDisplay, ShuttingDown,
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"Shutting Down\n",
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"Quitting because of signal, end with newline");
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if (fluxbox.get()) { fluxbox->shutdown(); }
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}
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cerr << _FB_CONSOLETEXT(BaseDisplay, Aborting,
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"Aborting... dumping core\n",
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"Aboring and dumping core, end with newline");
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abort();
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break;
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}
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}
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void setupSignalHandling() {
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signal(SIGSEGV, handleSignal);
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signal(SIGSEGV, handleSignal);
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signal(SIGFPE, handleSignal);
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signal(SIGTERM, handleSignal);
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signal(SIGINT, handleSignal);
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#ifdef HAVE_ALARM
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signal(SIGALRM, handleSignal);
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#endif
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#ifndef _WIN32
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signal(SIGPIPE, handleSignal); // e.g. output sent to grep
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signal(SIGCHLD, handleSignal);
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signal(SIGHUP, handleSignal);
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signal(SIGUSR1, handleSignal);
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signal(SIGUSR2, handleSignal);
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#endif
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}
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}
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int main(int argc, char **argv) {
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FbTk::I18n::init(0);
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FluxboxCli::Options opts;
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int exitcode = opts.parse(argc, argv);
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if (exitcode != -1) {
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exit(exitcode);
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}
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exitcode = EXIT_FAILURE;
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#ifdef __EMX__
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_chdir2(getenv("X11ROOT"));
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#endif // __EMX__
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streambuf *outbuf = 0;
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streambuf *errbuf = 0;
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ofstream log_file(opts.log_filename.c_str());
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_FB_USES_NLS;
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// setup log file
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if (log_file.is_open()) {
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cerr << _FB_CONSOLETEXT(main, LoggingTo, "Logging to", "Logging to a file")
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<< ": "
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<< opts.log_filename << endl;
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log_file <<"------------------------------------------" << endl;
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log_file << _FB_CONSOLETEXT(main, LogFile, "Log File", "")
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<< ": "
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<< opts.log_filename <<endl;
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FluxboxCli::showInfo(log_file);
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log_file << "------------------------------------------" << endl;
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// setup log to use cout and cerr stream
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outbuf = cout.rdbuf(log_file.rdbuf());
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errbuf = cerr.rdbuf(log_file.rdbuf());
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}
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FluxboxCli::setupConfigFiles(opts.rc_path, opts.rc_file);
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FluxboxCli::updateConfigFilesIfNeeded(opts.rc_file);
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try {
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fluxbox.reset(new Fluxbox(argc, argv,
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opts.session_display,
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opts.rc_path,
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opts.rc_file,
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opts.xsync));
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setupSignalHandling();
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fluxbox->eventLoop();
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exitcode = EXIT_SUCCESS;
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} catch (out_of_range &oor) {
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cerr <<"Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorOutOfRange, "Out of range", "Error message")
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<< ": "
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<< oor.what() << endl;
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} catch (runtime_error &re) {
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cerr << "Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorRuntime, "Runtime error", "Error message")
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<< ": "
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<< re.what() << endl;
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} catch (bad_cast &bc) {
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cerr << "Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorBadCast, "Bad cast", "Error message")
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<< ": "
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<< bc.what() << endl;
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} catch (bad_alloc &ba) {
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cerr << "Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorBadAlloc, "Bad Alloc", "Error message")
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<< ": "
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<< ba.what() << endl;
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} catch (exception &e) {
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cerr << "Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorStandardException, "Standard Exception", "Error message")
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<< ": "
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<< e.what() << endl;
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} catch (string & error_str) {
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cerr << _FB_CONSOLETEXT(Common, Error, "Error", "Error message header")
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<< ": "
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<< error_str << endl;
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} catch (...) {
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cerr << "Fluxbox: "
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<< _FB_CONSOLETEXT(main, ErrorUnknown, "Unknown error", "Error message")
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<< "." << endl;
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abort();
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}
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bool restarting = false;
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string restart_argument;
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if (fluxbox.get()) {
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restarting = fluxbox->isRestarting();
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restart_argument = fluxbox->getRestartArgument();
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}
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// destroy fluxbox
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fluxbox.reset(0);
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// restore cout and cin streams
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if (outbuf != 0)
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cout.rdbuf(outbuf);
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if (errbuf != 0)
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cerr.rdbuf(errbuf);
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FbTk::FbStringUtil::shutdown();
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if (restarting) {
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if (!restart_argument.empty()) {
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const char *shell = getenv("SHELL");
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if (!shell)
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shell = "/bin/sh";
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execlp(shell, shell, "-c", restart_argument.c_str(), (const char *) NULL);
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perror(restart_argument.c_str());
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}
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// fall back in case the above execlp doesn't work
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execvp(argv[0], argv);
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perror(argv[0]);
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const std::string basename = FbTk::StringUtil::basename(argv[0]);
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execvp(basename.c_str(), argv);
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perror(basename.c_str());
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}
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return exitcode;
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}
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