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https://git.lyx.org/repos/lyx.git
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0eccdd1c36
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@162 a592a061-630c-0410-9148-cb99ea01b6c8
573 lines
16 KiB
C
573 lines
16 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-1999 The LyX Team.
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*
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* ======================================================*/
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#include <config.h>
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#include <cstdlib>
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#include <csignal>
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#include "version.h"
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#include "lyx_main.h"
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#include "lyx_gui.h"
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#include "lyx_gui_misc.h"
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#include "lyxrc.h"
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#include "pathstack.h"
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#include "support/filetools.h"
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#include "bufferlist.h"
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#include "error.h"
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#include "support/FileInfo.h"
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#include "lastfiles.h"
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#include "intl.h"
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#include "lyxserver.h"
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#include "layout.h"
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#include "gettext.h"
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extern void LoadLyXFile(string const &);
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string system_lyxdir;
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string build_lyxdir;
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string system_tempdir;
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string user_lyxdir; // Default $HOME/.lyx
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// Should this be kept global? Asger says Yes.
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Error lyxerr;
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LastFiles *lastfiles;
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LyXRC *lyxrc;
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// This is the global bufferlist object
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BufferList bufferlist;
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LyXServer *lyxserver = 0;
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// this should be static, but I need it in buffer.C
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bool finished = false; // flag, that we are quitting the program
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// convenient to have it here.
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kb_keymap *toplevel_keymap;
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// from spellchecker.C
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#if 0
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extern void sigchldhandler(int sig);
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#endif
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LyX::LyX(int *argc, char *argv[])
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{
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// Prevent crash with --help
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lyxGUI = 0;
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lastfiles = 0;
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// Here we need to parse the command line. At least
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// we need to parse for "-dbg" and "-help"
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bool gui = easyParse(argc, argv);
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// Global bindings (this must be done as early as possible.) (Lgb)
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toplevel_keymap = new kb_keymap;
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lyxerr.debug("Initializing lyxrc");
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lyxrc = new LyXRC;
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// Make the GUI object, and let it take care of the
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// command line arguments that concerns it.
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lyxerr.debug("Initializing LyXGUI...");
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lyxGUI = new LyXGUI(this, argc, argv, gui);
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lyxerr.debug("Initializing LyXGUI...done");
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// Initialization of LyX (reads lyxrc and more)
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lyxerr.debug("Initializing LyX::init...");
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init(argc, argv);
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lyxerr.debug("Initializing LyX::init...done");
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lyxGUI->init();
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// Load the files specified in the command line.
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// Now the GUI and LyX have taken care of their arguments, so
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// the only thing left on the command line should be
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// filenames.
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if ((*argc)==2)
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lyxerr.debug("Opening document...");
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else if ((*argc)>2)
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lyxerr.debug("Opening documents...");
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Buffer *last_loaded = 0;
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for (int argi = (*argc) - 1; argi >= 1; argi--) {
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Buffer * loadb = bufferlist.loadLyXFile(argv[argi]);
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if (loadb != 0) {
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last_loaded = loadb;
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}
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}
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if (first_start) {
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string splash = i18nLibFileSearch("examples", "splash.lyx");
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lyxerr.debug("Opening splash document "+splash+"...");
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Buffer * loadb = bufferlist.loadLyXFile(splash);
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if (loadb != 0) {
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last_loaded = loadb;
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}
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}
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if (last_loaded != 0) {
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lyxerr.debug("Yes we loaded some files.");
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lyxGUI->regBuf(last_loaded);
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}
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// Let the ball begin...
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lyxGUI->runTime();
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}
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// A destructor is always necessary (asierra-970604)
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LyX::~LyX()
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{
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if (lastfiles)
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delete lastfiles;
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if (lyxGUI)
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delete lyxGUI;
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}
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extern "C" void error_handler(int err_sig);
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void LyX::init(int */*argc*/, char **argv)
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{
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// Install the signal handlers
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signal(SIGHUP, error_handler);
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signal(SIGFPE, error_handler);
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signal(SIGSEGV, error_handler);
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signal(SIGINT, error_handler);
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signal(SIGTERM, error_handler);
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#if 0
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// Install the SIGCHLD handler
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act_.sa_handler = sigchldhandler;
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//act_.sa_mask = SIGCHLD;
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act_.sa_flags = 0;
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//act_.sa_flags = SA_RESTART; //perhaps
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sigaction(SIGCHLD, &act_, 0);
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#endif
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//
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// Determine path of binary
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//
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string fullbinpath, binpath = argv[0];
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subst(binpath, '\\', '/');
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string binname = OnlyFilename(argv[0]);
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// Sorry for system specific code. (SMiyata)
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if (suffixIs(binname, ".exe")) binname.erase(binname.length()-4, string::npos);
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binpath = ExpandPath(binpath); // This expands ./ and ~/
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if (!AbsolutePath(binpath)) {
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string binsearchpath = GetEnvPath("PATH");
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binsearchpath += ";."; // This will make "src/lyx" work always :-)
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binpath = FileOpenSearch(binsearchpath, argv[0]);
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}
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fullbinpath = binpath;
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binpath = MakeAbsPath(OnlyPath(binpath));
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if (binpath.empty()) {
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lyxerr.print(_("Warning: could not determine path of binary."));
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lyxerr.print(_("If you have problems, try starting LyX with an absolute path."));
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}
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lyxerr.debug("Path of binary: " + binpath);
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//
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// Determine system directory.
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//
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// Directories are searched in this order:
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// 1) -sysdir command line parameter
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// 2) LYX_DIR_10x environment variable
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// 3) Maybe <path of binary>/TOP_SRCDIR/lib
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// 4) <path of binary>/../share/<name of binary>/
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// 4a) repeat 4 after following the Symlink if <path of
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// binary> is a symbolic link.
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// 5) hardcoded lyx_dir
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// The directory is checked for the presence of the file
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// "chkconfig.ltx", and if that is present, the directory
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// is accepted as the system directory.
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// If no chkconfig.ltx file is found, a warning is given,
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// and the hardcoded lyx_dir is used.
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// If we had a command line switch, system_lyxdir is already set
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string searchpath;
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if (!system_lyxdir.empty())
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searchpath=MakeAbsPath(system_lyxdir) + ';';
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// LYX_DIR_10x environment variable
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string lyxdir = GetEnvPath("LYX_DIR_10x");
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if (!lyxdir.empty()) {
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lyxerr.debug("LYX_DIR_10x: " + lyxdir, Error::INIT);
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searchpath += lyxdir + ';';
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}
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// <path of binary>/TOP_SRCDIR/lib
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build_lyxdir = MakeAbsPath("../lib", binpath);
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if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
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searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
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binpath) + ';';
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lyxerr.debug("Checking whether LyX is run in "
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"place... yes", Error::INIT);
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} else {
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lyxerr.debug("Checking whether LyX is run in place... no",
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Error::INIT);
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build_lyxdir.erase();
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}
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bool FollowLink;
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do {
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// Path of binary/../share/name of binary/
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searchpath += NormalizePath(AddPath(binpath, "../share/") +
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OnlyFilename(binname)) + ';';
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// Follow Symlinks
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FileInfo file(fullbinpath,true);
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FollowLink = file.isLink();
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if (FollowLink) {
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string Link;
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if (LyXReadLink(fullbinpath,Link)) {
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fullbinpath = Link;
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binpath = MakeAbsPath(OnlyPath(fullbinpath));
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}
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else {
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FollowLink = false;
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}
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}
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} while (FollowLink);
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// Hardcoded dir
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searchpath += LYX_DIR;
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// If debugging, show complete search path
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lyxerr.debug("System directory search path: "+searchpath, Error::INIT);
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string const filename = "chkconfig.ltx";
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string temp = FileOpenSearch(searchpath, filename, string());
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system_lyxdir = OnlyPath(temp);
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// Reduce "path/../path" stuff out of system directory
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system_lyxdir = NormalizePath(system_lyxdir);
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bool path_shown = false;
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// Warn if environment variable is set, but unusable
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if (!lyxdir.empty()) {
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if (system_lyxdir != NormalizePath(lyxdir)) {
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lyxerr.print(_("LYX_DIR_10x environment variable no good."));
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lyxerr.print(_("System directory set to: ")
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+ system_lyxdir);
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path_shown = true;
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}
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}
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// Warn the user if we couldn't find "chkconfig.ltx"
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if (system_lyxdir.empty()) {
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lyxerr.print(_("LyX Warning! Couldn't determine system directory."));
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lyxerr.print(_("Try the '-sysdir' command line parameter or"));
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lyxerr.print(_("set the environment variable LYX_DIR_10x to the "
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"LyX system directory"));
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lyxerr.print(_("containing the file `chkconfig.ltx'."));
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if (!path_shown)
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lyxerr.print(_("Using built-in default ")
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+ string(LYX_DIR) + _(" but expect problems."));
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else
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lyxerr.print(_("Expect problems."));
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system_lyxdir = LYX_DIR;
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path_shown = true;
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}
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// Report the system directory if debugging is on
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if (!path_shown)
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lyxerr.debug("System directory: '" + system_lyxdir + '\'',
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Error::INIT);
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//
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// Determine user lyx-dir
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//
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user_lyxdir = AddPath(GetEnvPath("HOME"), string(".") + LYX_NAME);
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lyxerr.debug("User LyX directory: '"
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+ user_lyxdir + '\'', Error::INIT);
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// Check that user LyX directory is ok.
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queryUserLyXDir();
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//
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// Load the layouts first
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//
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lyxerr.debug("Reading layouts...", Error::INIT);
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LyXSetStyle();
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//
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// Shine up lyxrc defaults
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//
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// Default template path: system_dir/templates
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if (lyxrc->template_path.empty()){
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lyxrc->template_path = AddPath(system_lyxdir, "templates");
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}
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// Default lastfiles file: $HOME/.lyx/lastfiles
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if (lyxrc->lastfiles.empty()){
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lyxrc->lastfiles = AddName(user_lyxdir, "lastfiles");
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}
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// Calculate screen dpi as average of x-DPI and y-DPI:
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Screen * scr=(DefaultScreenOfDisplay(fl_get_display()));
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lyxrc->dpi = ((HeightOfScreen(scr)* 25.4 / HeightMMOfScreen(scr)) +
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(WidthOfScreen(scr)* 25.4 / WidthMMOfScreen(scr))) / 2;
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lyxerr.debug(string("DPI setting detected to be ") +
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tostr(lyxrc->dpi+0.5));
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//
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// Read configuration files
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//
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ReadRcFile("lyxrc.defaults");
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ReadRcFile("lyxrc");
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// Ensure that we have really read a bind file, so that LyX is
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// usable.
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if (!lyxrc->hasBindFile)
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lyxrc->ReadBindFile();
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if (lyxerr.debugging(Error::LYXRC)) {
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lyxrc->Print();
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}
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// Create temp directory
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system_tempdir = CreateLyXTmpDir(lyxrc->tempdir_path);
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if (lyxerr.debugging(Error::INIT)) {
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lyxerr.print("LyX tmp dir: `" + system_tempdir + '\'');
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}
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// load the lastfiles mini-database
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lyxerr.debug("Reading lastfiles `" + lyxrc->lastfiles + "'...",
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Error::INIT);
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lastfiles = new LastFiles(lyxrc->lastfiles,
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lyxrc->check_lastfiles,
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lyxrc->num_lastfiles);
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// start up the lyxserver. (is this a bit early?) (Lgb)
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// 0.12 this will be way to early, we need the GUI to be initialized
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// first, so move it for now.
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// lyxserver = new LyXServer;
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}
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// This one is not allowed to use anything on the main form, since that
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// one does not exist yet. (Asger)
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void LyX::queryUserLyXDir()
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{
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// Does user directory exist?
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FileInfo fileInfo(user_lyxdir);
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if (fileInfo.isOK() && fileInfo.isDir()) {
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first_start = false;
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return;
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} else {
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first_start = true;
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}
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// Nope
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if (!AskQuestion(_("You don't have a personal LyX directory."),
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_("It is needed to keep your own configuration."),
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_("Should I try to set it up for you (recommended)?"))) {
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lyxerr.print(_("Running without personal LyX directory."));
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// No, let's use $HOME instead.
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user_lyxdir = GetEnvPath("HOME");
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return;
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}
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// Tell the user what is going on
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lyxerr.print(_("LyX: Creating directory ") + user_lyxdir + _(" and running configure..."));
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// Create directory structure
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if (!createDirectory(user_lyxdir, 0755)) {
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// Failed, let's use $HOME instead.
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user_lyxdir = GetEnvPath("HOME");
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lyxerr.print(_("Failed. Will use ") + user_lyxdir + _(" instead."));
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return;
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}
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// Run configure in user lyx directory
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PathPush(user_lyxdir);
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system(AddName(system_lyxdir,"configure").c_str());
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PathPop();
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lyxerr.print(string("LyX: ") + _("Done!"));
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}
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// Read the rc file `name'
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void LyX::ReadRcFile(string const & name)
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{
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lyxerr.debug("About to read "+name+"...", Error::INIT);
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string lyxrc_path = LibFileSearch(string(), name);
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if (!lyxrc_path.empty()){
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lyxerr.debug("Found "+name+" in " + lyxrc_path, Error::INIT);
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if (lyxrc->Read(lyxrc_path) < 0) {
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WriteAlert(_("LyX Warning!"),
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_("Error while reading ")+lyxrc_path+".",
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_("Using built-in defaults."));
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}
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} else
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lyxerr.debug("Could not find "+name, Error::INIT);
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}
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// Set debugging level and report result to user
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void setDebuggingLevel(int dbgLevel)
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{
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lyxerr.print(string(_("Setting debug level to ")) + tostr(dbgLevel));
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lyxerr.setDebugLevel(dbgLevel);
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lyxerr.debug(string("Debugging INFO #") + tostr(Error::INFO),
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Error::INFO);
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lyxerr.debug(string("Debugging INIT #") + tostr(Error::INIT),
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Error::INIT);
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lyxerr.debug(string("Debugging KEY #") + tostr(Error::KEY),
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Error::KEY);
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lyxerr.debug(string("Debugging TOOLBAR #") + tostr(Error::TOOLBAR),
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Error::TOOLBAR);
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lyxerr.debug(string("Debugging LEX and PARSER #") +
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tostr(Error::LEX_PARSER),
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Error::LEX_PARSER);
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lyxerr.debug(string("Debugging LYXRC #") + tostr(Error::LYXRC),
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Error::LYXRC);
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lyxerr.debug(string("Debugging KBMAP #") + tostr(Error::KBMAP),
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Error::KBMAP);
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lyxerr.debug(string("Debugging LATEX #") + tostr(Error::LATEX),
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Error::LATEX);
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lyxerr.debug(string("Debugging MATHED #") + tostr(Error::MATHED),
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Error::MATHED);
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lyxerr.debug(string("Debugging FONT #") + tostr(Error::FONT),
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Error::FONT);
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lyxerr.debug(string("Debugging TCLASS #") + tostr(Error::TCLASS),
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Error::TCLASS);
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lyxerr.debug(string("Debugging LYXVC #") + tostr(Error::LYXVC),
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Error::LYXVC);
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lyxerr.debug(string("Debugging LYXSERVER #") + tostr(Error::LYXSERVER),
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Error::LYXVC);
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}
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// Give command line help
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void commandLineHelp()
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{
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lyxerr.print(_("LyX " LYX_VERSION " of " LYX_RELEASE ".\n"));
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lyxerr.print(_("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"));
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lyxerr.print(_("Command line switches (case sensitive):"));
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lyxerr.print(_(" -help summarize LyX usage"));
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lyxerr.print(_(" -sysdir x try to set system directory to x"));
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lyxerr.print(_(" -width x set the width of the main window"));
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lyxerr.print(_(" -height y set the height of the main window"));
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lyxerr.print(_(" -xpos x set the x position of the main window"));
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lyxerr.print(_(" -ypos y set the y position of the main window"));
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lyxerr.print(_(" -dbg n where n is a sum of debugging options. Try -dbg 65535 -help"));
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lyxerr.print(_(" -Reverse swaps foreground & background colors"));
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lyxerr.print(_(" -Mono runs LyX in black and white mode"));
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lyxerr.print(_(" -FastSelection use a fast routine for drawing selections\n"));
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lyxerr.print(_("Check the LyX man page for more options."));
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}
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bool LyX::easyParse(int *argc, char *argv[])
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{
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bool gui = true;
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for(int i=1; i < *argc; i++) {
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string arg = argv[i];
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// Check for -dbg int
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if (arg == "-dbg") {
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if (i+1 < *argc) {
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int erri = 0;
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sscanf(argv[i+1],"%d", &erri);
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setDebuggingLevel(erri);
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// Now, remove these two arguments by shifting
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// the following two places down.
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(*argc) -= 2;
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for (int j=i; j < (*argc); j++)
|
|
argv[j] = argv[j+2];
|
|
i--; // After shift, check this number again.
|
|
} else
|
|
lyxerr.print(_("Missing number for -dbg switch!"));
|
|
}
|
|
// Check for "-sysdir"
|
|
else if (arg == "-sysdir") {
|
|
if (i+1 < *argc) {
|
|
system_lyxdir = argv[i+1];
|
|
|
|
// Now, remove these two arguments by shifting
|
|
// the following two places down.
|
|
(*argc) -= 2;
|
|
for (int j=i; j < (*argc); j++)
|
|
argv[j] = argv[j+2];
|
|
i--; // After shift, check this number again.
|
|
} else
|
|
lyxerr.print(_("Missing directory for -sysdir switch!"));
|
|
// Check for --help or -help
|
|
} else if (arg == "--help" || arg == "-help") {
|
|
commandLineHelp();
|
|
exit(0);
|
|
}
|
|
// Check for "-nw": No window
|
|
else if (arg == "-nw") {
|
|
gui = false;
|
|
}
|
|
}
|
|
return gui;
|
|
}
|
|
|
|
|
|
void error_handler(int err_sig)
|
|
{
|
|
switch (err_sig) {
|
|
case SIGHUP:
|
|
fprintf(stderr, "\nlyx: SIGHUP signal caught\n");
|
|
break;
|
|
case SIGINT:
|
|
// no comments
|
|
break;
|
|
case SIGFPE:
|
|
fprintf(stderr, "\nlyx: SIGFPE signal caught\n");
|
|
break;
|
|
case SIGSEGV:
|
|
fprintf(stderr, "\nlyx: SIGSEGV signal caught\n");
|
|
fprintf(stderr,
|
|
"Sorry, you have found a bug in LyX."
|
|
" If possible, please read 'Known bugs'\n"
|
|
"under the Help menu and then send us "
|
|
"a full bug report. Thanks!\n");
|
|
break;
|
|
case SIGTERM:
|
|
// no comments
|
|
break;
|
|
}
|
|
|
|
// Deinstall the signal handlers
|
|
signal(SIGHUP, SIG_DFL);
|
|
signal(SIGINT, SIG_DFL);
|
|
signal(SIGFPE, SIG_DFL);
|
|
signal(SIGSEGV, SIG_DFL);
|
|
signal(SIGTERM, SIG_DFL);
|
|
|
|
bufferlist.emergencyWriteAll();
|
|
|
|
lyxerr.print("Bye.");
|
|
if(err_sig!=SIGHUP && (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
|
|
abort();
|
|
exit(0);
|
|
}
|