]> git.lyx.org Git - lyx.git/blobdiff - src/LyX.cpp
* add PreBabelPreamble to Language definition (fixes #4786).
[lyx.git] / src / LyX.cpp
index f835166302a38d1ce683decc83abc0ebdc307dac..7c2376f980082b8a8575c2f8b391fb01cafcd683 100644 (file)
@@ -17,6 +17,7 @@
 
 #include "LyX.h"
 
+#include "AppleSpellChecker.h"
 #include "AspellChecker.h"
 #include "Buffer.h"
 #include "BufferList.h"
@@ -62,7 +63,7 @@
 #include "support/Path.h"
 #include "support/Systemcall.h"
 
-#include <boost/bind.hpp>
+#include "support/bind.h"
 #include <boost/scoped_ptr.hpp>
 
 #include <algorithm>
@@ -88,6 +89,22 @@ namespace os = support::os;
 
 bool use_gui = true;
 
+
+// We default to open documents in an already running instance, provided that
+// the lyxpipe has been setup. This can be overridden either on the command
+// line or through preference settings.
+
+RunMode run_mode = PREFERRED;
+
+
+// Tell what files can be silently overwritten during batch export.
+// Possible values are: NO_FILES, MAIN_FILE, ALL_FILES, UNSPECIFIED.
+// Unless specified on command line (through the -f switch) or through the
+// environment variable LYX_FORCE_OVERWRITE, the default will be MAIN_FILE.
+
+OverwriteFiles force_overwrite = UNSPECIFIED;
+
+
 namespace {
 
 // Filled with the command line arguments "foo" of "-sysdir foo" or
@@ -123,7 +140,7 @@ void reconfigureUserLyXDir()
 /// The main application class private implementation.
 struct LyX::Impl
 {
-       Impl() : spell_checker_(0), aspell_checker_(0), enchant_checker_(0), hunspell_checker_(0)
+       Impl() : spell_checker_(0), apple_spell_checker_(0), aspell_checker_(0), enchant_checker_(0), hunspell_checker_(0)
        {
                // Set the default User Interface language as soon as possible.
                // The language used will be derived from the environment
@@ -133,6 +150,7 @@ struct LyX::Impl
 
        ~Impl()
        {
+               delete apple_spell_checker_;
                delete aspell_checker_;
                delete enchant_checker_;
                delete hunspell_checker_;
@@ -180,6 +198,8 @@ struct LyX::Impl
        ///
        SpellChecker * spell_checker_;
        ///
+       SpellChecker * apple_spell_checker_;
+       ///
        SpellChecker * aspell_checker_;
        ///
        SpellChecker * enchant_checker_;
@@ -199,8 +219,8 @@ frontend::Application * theApp()
 
 LyX::~LyX()
 {
-       singleton_ = 0;
        delete pimpl_;
+       singleton_ = 0;
 }
 
 
@@ -268,14 +288,24 @@ void setRcGuiLanguage()
 
 int LyX::exec(int & argc, char * argv[])
 {
+       // Minimal setting of locale before parsing command line
+       try {
+               init_package(os::utf8_argv(0), string(), string(),
+                       top_build_dir_is_one_level_up);
+       } catch (ExceptionMessage const & message) {
+               LYXERR(Debug::LOCALE, message.title_ + ", " + message.details_);
+       }
+       // FIXME: This breaks out of source build under Windows.
+       locale_init();
+
        // Here we need to parse the command line. At least
        // we need to parse for "-dbg" and "-help"
        easyParse(argc, argv);
 
        try {
                init_package(os::utf8_argv(0),
-                             cl_system_support, cl_user_support,
-                             top_build_dir_is_one_level_up);
+                       cl_system_support, cl_user_support,
+                       top_build_dir_is_one_level_up);
        } catch (ExceptionMessage const & message) {
                if (message.type_ == ErrorException) {
                        Alert::error(message.title_, message.details_);
@@ -342,22 +372,37 @@ int LyX::exec(int & argc, char * argv[])
                prepareExit();
                return exit_status;
        }
+
+       // If not otherwise specified by a command line option or
+       // by preferences, we default to reuse a running instance.
+       if (run_mode == PREFERRED)
+               run_mode = USE_REMOTE;
+
        // FIXME
        /* Create a CoreApplication class that will provide the main event loop
        * and the socket callback registering. With Qt4, only QtCore
        * library would be needed.
        * When this is done, a server_mode could be created and the following two
        * line would be moved out from here.
+       * However, note that the first of the two lines below triggers the
+       * "single instance" behavior, which should occur right at this point.
        */
        // Note: socket callback must be registered after init(argc, argv)
        // such that package().temp_dir() is properly initialized.
        pimpl_->lyx_server_.reset(new Server(lyxrc.lyxpipes));
        pimpl_->lyx_socket_.reset(new ServerSocket(
-                       FileName(package().temp_dir().absFilename() + "/lyxsocket")));
+                       FileName(package().temp_dir().absFileName() + "/lyxsocket")));
 
        // Start the real execution loop.
-       exit_status = pimpl_->application_->exec();
+       if (!theServer().deferredLoadingToOtherInstance())
+               exit_status = pimpl_->application_->exec();
+       else if (!pimpl_->files_to_load_.empty()) {
+               vector<string>::const_iterator it = pimpl_->files_to_load_.begin();
+               vector<string>::const_iterator end = pimpl_->files_to_load_.end();
+               lyxerr << _("The following files could not be loaded:") << endl;
+               for (; it != end; ++it)
+                       lyxerr << *it << endl;
+       }
 
        prepareExit();
 
@@ -388,19 +433,19 @@ void LyX::prepareExit()
 
        // do any other cleanup procedures now
        if (package().temp_dir() != package().system_temp_dir()) {
-               string const abs_tmpdir = package().temp_dir().absFilename();
-               if (!contains(package().temp_dir().absFilename(), "lyx_tmpdir")) {
+               string const abs_tmpdir = package().temp_dir().absFileName();
+               if (!contains(package().temp_dir().absFileName(), "lyx_tmpdir")) {
                        docstring const msg =
                                bformat(_("%1$s does not appear like a LyX created temporary directory."),
                                from_utf8(abs_tmpdir));
                        Alert::warning(_("Cannot remove temporary directory"), msg);
                } else {
                        LYXERR(Debug::INFO, "Deleting tmp dir "
-                               << package().temp_dir().absFilename());
+                               << package().temp_dir().absFileName());
                        if (!package().temp_dir().destroyDirectory()) {
                                docstring const msg =
                                        bformat(_("Unable to remove the temporary directory %1$s"),
-                                       from_utf8(package().temp_dir().absFilename()));
+                                       from_utf8(package().temp_dir().absFileName()));
                                Alert::warning(_("Unable to remove temporary directory"), msg);
                        }
                }
@@ -444,12 +489,12 @@ int LyX::init(int & argc, char * argv[])
                return EXIT_FAILURE;
 
        // Remaining arguments are assumed to be files to load.
-       for (int argi = argc - 1; argi >= 1; --argi)
+       for (int argi = 1; argi < argc; ++argi)
                pimpl_->files_to_load_.push_back(os::utf8_argv(argi));
 
        if (first_start) {
                pimpl_->files_to_load_.push_back(
-                       i18nLibFileSearch("examples", "splash.lyx").absFilename());
+                       i18nLibFileSearch("examples", "splash.lyx").absFileName());
        }
 
        return EXIT_SUCCESS;
@@ -472,12 +517,12 @@ bool LyX::loadFiles()
                if (fname.empty())
                        continue;
 
-               Buffer * buf = pimpl_->buffer_list_.newBuffer(fname.absFilename(), false);
-               if (buf->loadLyXFile(fname)) {
+               Buffer * buf = pimpl_->buffer_list_.newBuffer(fname.absFileName(), false);
+               if (buf->loadLyXFile() == Buffer::ReadSuccess) {
                        ErrorList const & el = buf->errorList("Parse");
                        if (!el.empty())
                                for_each(el.begin(), el.end(),
-                               boost::bind(&LyX::printError, this, _1));
+                               bind(&LyX::printError, this, _1));
                }
                else {
                        pimpl_->buffer_list_.release(buf);
@@ -502,16 +547,16 @@ void LyX::execCommands()
        // aknowledged.
 
        // if reconfiguration is needed.
-       while (LayoutFileList::get().empty()) {
+       if (LayoutFileList::get().empty()) {
                switch (Alert::prompt(
                        _("No textclass is found"),
-                       _("LyX cannot continue because no textclass is found. "
-                               "You can either reconfigure normally, or reconfigure using "
-                               "default textclasses, or quit LyX."),
+                       _("LyX will only have minimal functionality because no textclasses "
+                               "have been found. You can either try to reconfigure LyX normally, "
+                               "try to reconfigure using only the defaults, or continue."),
                        0, 2,
                        _("&Reconfigure"),
-                       _("&Use Default"),
-                       _("&Exit LyX")))
+                       _("&Use Defaults"),
+                       _("&Continue")))
                {
                case 0:
                        // regular reconfigure
@@ -523,11 +568,10 @@ void LyX::execCommands()
                                " --without-latex-config"));
                        break;
                default:
-                       lyx::dispatch(FuncRequest(LFUN_LYX_QUIT));
-                       return;
+                       break;
                }
        }
-       
+
        // create the first main window
        lyx::dispatch(FuncRequest(LFUN_WINDOW_NEW, geometryArg));
 
@@ -611,21 +655,23 @@ static void error_handler(int err_sig)
 
        // This shouldn't matter here, however, as we've already invoked
        // emergencyCleanup.
+       docstring msg;
        switch (err_sig) {
 #ifdef SIGHUP
        case SIGHUP:
-               lyxerr << "\nlyx: SIGHUP signal caught\nBye." << endl;
+               msg = _("SIGHUP signal caught!\nBye.");
                break;
 #endif
        case SIGFPE:
-               lyxerr << "\nlyx: SIGFPE signal caught\nBye." << endl;
+               msg = _("SIGFPE signal caught!\nBye.");
                break;
        case SIGSEGV:
-               lyxerr << "\nlyx: SIGSEGV signal caught\n"
-                         "Sorry, you have found a bug in LyX. "
+               msg = _("SIGSEGV signal caught!\n"
+                         "Sorry, you have found a bug in LyX, "
+                         "hope you have not lost any data.\n"
                          "Please read the bug-reporting instructions "
-                         "in Help->Introduction and send us a bug report, "
-                         "if necessary. Thanks !\nBye." << endl;
+                         "in 'Help->Introduction' and send us a bug report, "
+                         "if necessary. Thanks !\nBye.");
                break;
        case SIGINT:
        case SIGTERM:
@@ -633,6 +679,12 @@ static void error_handler(int err_sig)
                break;
        }
 
+       if (!msg.empty()) {
+               lyxerr << "\nlyx: " << msg << endl;
+               // try to make a GUI message
+               Alert::error(_("LyX crashed!"), msg);
+       }
+
        // Deinstall the signal handlers
 #ifdef SIGHUP
        signal(SIGHUP, SIG_DFL);
@@ -644,11 +696,18 @@ static void error_handler(int err_sig)
 
 #ifdef SIGHUP
        if (err_sig == SIGSEGV ||
-           (err_sig != SIGHUP && !getEnv("LYXDEBUG").empty()))
+               (err_sig != SIGHUP && !getEnv("LYXDEBUG").empty())) {
 #else
-       if (err_sig == SIGSEGV || !getEnv("LYXDEBUG").empty())
+       if (err_sig == SIGSEGV || !getEnv("LYXDEBUG").empty()) {
 #endif
+#ifdef _MSC_VER
+               // with abort() it crashes again.
+               exit(err_sig);
+#else
                abort();
+#endif
+       }
+
        exit(0);
 }
 
@@ -674,15 +733,15 @@ bool LyX::init()
        signal(SIGTERM, error_handler);
        // SIGPIPE can be safely ignored.
 
-       lyxrc.tempdir_path = package().temp_dir().absFilename();
-       lyxrc.document_path = package().document_dir().absFilename();
+       lyxrc.tempdir_path = package().temp_dir().absFileName();
+       lyxrc.document_path = package().document_dir().absFileName();
 
        if (lyxrc.example_path.empty()) {
-               lyxrc.example_path = addPath(package().system_support().absFilename(),
+               lyxrc.example_path = addPath(package().system_support().absFileName(),
                                              "examples");
        }
        if (lyxrc.template_path.empty()) {
-               lyxrc.template_path = addPath(package().system_support().absFilename(),
+               lyxrc.template_path = addPath(package().system_support().absFileName(),
                                              "templates");
        }
 
@@ -702,7 +761,7 @@ bool LyX::init()
        // Add the directory containing the LyX executable to the path
        // so that LyX can find things like tex2lyx.
        if (package().build_support().empty())
-               prependEnvPath("PATH", package().binary_dir().absFilename());
+               prependEnvPath("PATH", package().binary_dir().absFileName());
 #endif
        if (!lyxrc.path_prefix.empty())
                prependEnvPath("PATH", lyxrc.path_prefix);
@@ -711,9 +770,20 @@ bool LyX::init()
        if (queryUserLyXDir(package().explicit_user_support()))
                reconfigureUserLyXDir();
 
-       // no need for a splash when there is no GUI
        if (!use_gui) {
+               // No need for a splash when there is no GUI
                first_start = false;
+               // Default is to overwrite the main file during export, unless
+               // the -f switch was specified or LYX_FORCE_OVERWRITE was set
+               if (force_overwrite == UNSPECIFIED) {
+                       string const what = getEnv("LYX_FORCE_OVERWRITE");
+                       if (what == "all")
+                               force_overwrite = ALL_FILES;
+                       else if (what == "none")
+                               force_overwrite = NO_FILES;
+                       else
+                               force_overwrite = MAIN_FILE;
+               }
        }
 
        // This one is generated in user_support directory by lib/configure.py.
@@ -747,10 +817,9 @@ bool LyX::init()
        // Set the language defined by the user.
        setRcGuiLanguage();
 
-       // Load the layouts
        LYXERR(Debug::INIT, "Reading layouts...");
-       if (!LyXSetStyle())
-               return false;
+       // Load the layouts
+       LayoutFileList::get().read();
        //...and the modules
        theModuleList.read();
 
@@ -761,6 +830,7 @@ bool LyX::init()
        // Set up command definitions
        pimpl_->toplevel_cmddef_.read(lyxrc.def_file);
 
+       // FIXME
        // Set up bindings
        pimpl_->toplevel_keymap_.read("site");
        pimpl_->toplevel_keymap_.read(lyxrc.bind_file);
@@ -794,7 +864,7 @@ bool LyX::init()
        }
 
        LYXERR(Debug::INIT, "LyX tmp dir: `"
-                           << package().temp_dir().absFilename() << '\'');
+                           << package().temp_dir().absFileName() << '\'');
 
        LYXERR(Debug::INIT, "Reading session information '.lyx/session'...");
        pimpl_->session_.reset(new Session(lyxrc.num_lastfiles));
@@ -802,7 +872,7 @@ bool LyX::init()
        // This must happen after package initialization and after lyxrc is
        // read, therefore it can't be done by a static object.
        ConverterCache::init();
-               
+
        return true;
 }
 
@@ -833,13 +903,13 @@ static bool needsUpdate(string const & file)
        static bool firstrun = true;
        if (firstrun) {
                configure_script =
-                       FileName(addName(package().system_support().absFilename(),
+                       FileName(addName(package().system_support().absFileName(),
                                "configure.py"));
                firstrun = false;
        }
 
-       FileName absfile = 
-               FileName(addName(package().user_support().absFilename(), file));
+       FileName absfile =
+               FileName(addName(package().user_support().absFileName(), file));
        return !absfile.exists()
                || configure_script.lastModified() > absfile.lastModified();
 }
@@ -868,7 +938,7 @@ bool LyX::queryUserLyXDir(bool explicit_userdir)
                    bformat(_("You have specified a non-existent user "
                                           "LyX directory, %1$s.\n"
                                           "It is needed to keep your own configuration."),
-                           from_utf8(package().user_support().absFilename())),
+                           from_utf8(package().user_support().absFileName())),
                    1, 0,
                    _("&Create directory"),
                    _("&Exit LyX"))) {
@@ -877,7 +947,7 @@ bool LyX::queryUserLyXDir(bool explicit_userdir)
        }
 
        lyxerr << to_utf8(bformat(_("LyX: Creating directory %1$s"),
-                         from_utf8(sup.absFilename()))) << endl;
+                         from_utf8(sup.absFileName()))) << endl;
 
        if (!sup.createDirectory(0755)) {
                // Failed, so let's exit.
@@ -987,8 +1057,18 @@ int parse_help(string const &, string const &, string &)
                  "\t-i [--import] fmt file.xxx\n"
                  "                  where fmt is the import format of choice\n"
                  "                  and file.xxx is the file to be imported.\n"
-                 "\t--batch         execute commands and exit\n"
-                 "\t-version        summarize version and build info\n"
+                 "\t-f [--force-overwrite] what\n"
+                 "                  where what is either `all', `main' or `none',\n"
+                 "                  specifying whether all files, main file only, or no files,\n"
+                 "                  respectively, are to be overwritten during a batch export.\n"
+                 "                  Anything else is equivalent to `all', but is not consumed.\n"
+                 "\t-n [--no-remote]\n"
+                 "                  open documents in a new instance\n"
+                 "\t-r [--remote]\n"
+                 "                  open documents in an already running instance\n"
+                 "                  (a working lyxpipe is needed)\n"
+                 "\t-batch    execute commands without launching GUI and exit.\n"
+                 "\t-version  summarize version and build info\n"
                               "Check the LyX man page for more details.")) << endl;
        exit(0);
        return 0;
@@ -1082,13 +1162,44 @@ int parse_geometry(string const & arg1, string const &, string &)
 }
 
 
-int parse_batch(string const &, string const &, string &) 
+int parse_batch(string const &, string const &, string &)
 {
        use_gui = false;
        return 0;
 }
 
 
+int parse_noremote(string const &, string const &, string &)
+{
+       run_mode = NEW_INSTANCE;
+       return 0;
+}
+
+
+int parse_remote(string const &, string const &, string &)
+{
+       run_mode = USE_REMOTE;
+       return 0;
+}
+
+
+int parse_force(string const & arg, string const &, string &)
+{
+       if (arg == "all") {
+               force_overwrite = ALL_FILES;
+               return 1;
+       } else if (arg == "main") {
+               force_overwrite = MAIN_FILE;
+               return 1;
+       } else if (arg == "none") {
+               force_overwrite = NO_FILES;
+               return 1;
+       }
+       force_overwrite = ALL_FILES;
+       return 0;
+}
+
+
 } // namespace anon
 
 
@@ -1110,7 +1221,13 @@ void LyX::easyParse(int & argc, char * argv[])
        cmdmap["-i"] = parse_import;
        cmdmap["--import"] = parse_import;
        cmdmap["-geometry"] = parse_geometry;
-       cmdmap["--batch"] = parse_batch;
+       cmdmap["-batch"] = parse_batch;
+       cmdmap["-f"] = parse_force;
+       cmdmap["--force-overwrite"] = parse_force;
+       cmdmap["-n"] = parse_noremote;
+       cmdmap["--no-remote"] = parse_noremote;
+       cmdmap["-r"] = parse_remote;
+       cmdmap["--remote"] = parse_remote;
 
        for (int i = 1; i < argc; ++i) {
                map<string, cmd_helper>::const_iterator it
@@ -1133,6 +1250,7 @@ void LyX::easyParse(int & argc, char * argv[])
                // Now, remove used arguments by shifting
                // the following ones remove places down.
                if (remove > 0) {
+                       os::remove_internal_args(i, remove);
                        argc -= remove;
                        for (int j = i; j < argc; ++j)
                                argv[j] = argv[j + remove];
@@ -1163,6 +1281,13 @@ void dispatch(FuncRequest const & action, DispatchResult & dr)
 }
 
 
+vector<string> & theFilesToLoad()
+{
+       LASSERT(singleton_, /**/);
+       return singleton_->pimpl_->files_to_load_;
+}
+
+
 BufferList & theBufferList()
 {
        LASSERT(singleton_, /**/);
@@ -1237,14 +1362,14 @@ Movers & theSystemMovers()
 }
 
 
-Messages & getMessages(string const & language)
+Messages const & getMessages(string const & language)
 {
        LASSERT(singleton_, /**/);
        return singleton_->messages(language);
 }
 
 
-Messages & getGuiMessages()
+Messages const & getGuiMessages()
 {
        LASSERT(singleton_, /**/);
        return singleton_->pimpl_->messages_["GUI"];
@@ -1282,31 +1407,48 @@ SpellChecker * theSpellChecker()
 
 void setSpellChecker()
 {
+       SpellChecker::ChangeNumber speller_change_number =singleton_->pimpl_->spell_checker_ ?
+               singleton_->pimpl_->spell_checker_->changeNumber() : 0;
+
+       if (lyxrc.spellchecker == "native") {
+#if defined(USE_MACOSX_PACKAGING)
+               if (!singleton_->pimpl_->apple_spell_checker_)
+                       singleton_->pimpl_->apple_spell_checker_ = new AppleSpellChecker();
+               singleton_->pimpl_->spell_checker_ = singleton_->pimpl_->apple_spell_checker_;
+#else
+               singleton_->pimpl_->spell_checker_ = 0;
+#endif
+       } else if (lyxrc.spellchecker == "aspell") {
 #if defined(USE_ASPELL)
-       if (lyxrc.spellchecker == "aspell") {
                if (!singleton_->pimpl_->aspell_checker_)
                        singleton_->pimpl_->aspell_checker_ = new AspellChecker();
                singleton_->pimpl_->spell_checker_ = singleton_->pimpl_->aspell_checker_;
-               return;
-       }
+#else
+               singleton_->pimpl_->spell_checker_ = 0;
 #endif
+       } else if (lyxrc.spellchecker == "enchant") {
 #if defined(USE_ENCHANT)
-       if (lyxrc.spellchecker == "enchant") {
                if (!singleton_->pimpl_->enchant_checker_)
                        singleton_->pimpl_->enchant_checker_ = new EnchantChecker();
                singleton_->pimpl_->spell_checker_ = singleton_->pimpl_->enchant_checker_;
-               return;
-       }
+#else
+               singleton_->pimpl_->spell_checker_ = 0;
 #endif
+       } else if (lyxrc.spellchecker == "hunspell") {
 #if defined(USE_HUNSPELL)
-       if (lyxrc.spellchecker == "hunspell") {
                if (!singleton_->pimpl_->hunspell_checker_)
                        singleton_->pimpl_->hunspell_checker_ = new HunspellChecker();
                singleton_->pimpl_->spell_checker_ = singleton_->pimpl_->hunspell_checker_;
-               return;
-       }
+#else
+               singleton_->pimpl_->spell_checker_ = 0;
 #endif
-       singleton_->pimpl_->spell_checker_ = 0;
+       } else {
+               singleton_->pimpl_->spell_checker_ = 0;
+       }
+       if (singleton_->pimpl_->spell_checker_) {
+               singleton_->pimpl_->spell_checker_->changeNumber(speller_change_number);
+               singleton_->pimpl_->spell_checker_->advanceChangeNumber();
+       }
 }
 
 } // namespace lyx