/**
* \file lyx_main.C
- * Copyright 1995-2002 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
+ * \author Alfredo Braunstein
* \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "lyx_main.h"
-#include "support/filetools.h"
-#include "support/lyxlib.h"
-#include "support/FileInfo.h"
-#include "support/path.h"
-#include "support/path_defines.h"
-#include "debug.h"
-#include "gettext.h"
-#include "lyxlex.h"
-
-#include "graphics/GraphicsTypes.h"
-
-#include "bufferlist.h"
#include "buffer.h"
#include "buffer_funcs.h"
-#include "lyxserver.h"
+#include "bufferlist.h"
+#include "converter.h"
+#include "debug.h"
+#include "encoding.h"
+#include "errorlist.h"
+#include "format.h"
+#include "gettext.h"
#include "kbmap.h"
-#include "lyxfunc.h"
-#include "ToolbarBackend.h"
-#include "MenuBackend.h"
#include "language.h"
#include "lastfiles.h"
-#include "encoding.h"
-#include "converter.h"
-#include "format.h"
+#include "LColor.h"
+#include "lyxfunc.h"
+#include "lyxlex.h"
+#include "lyxrc.h"
#include "lyxtextclasslist.h"
+#include "lyxserver.h"
+#include "MenuBackend.h"
+#include "mover.h"
+#include "ToolbarBackend.h"
+
+#include "mathed/math_inset.h"
#include "frontends/Alert.h"
#include "frontends/lyx_gui.h"
+#include "frontends/LyXView.h"
+
+#include "support/FileInfo.h"
+#include "support/filetools.h"
+#include "support/lyxlib.h"
+#include "support/os.h"
+#include "support/path.h"
+#include "support/path_defines.h"
-#include <boost/function.hpp>
#include <boost/bind.hpp>
-#include <boost/signals/signal1.hpp>
-#include <cstdlib>
-#include <csignal>
#include <iostream>
+#include <csignal>
-using namespace lyx::support;
+using lyx::support::AddName;
+using lyx::support::AddPath;
+using lyx::support::bformat;
+using lyx::support::createDirectory;
+using lyx::support::createLyXTmpDir;
+using lyx::support::FileInfo;
+using lyx::support::FileSearch;
+using lyx::support::GetEnv;
+using lyx::support::GetEnvPath;
+using lyx::support::i18nLibFileSearch;
+using lyx::support::LibFileSearch;
+using lyx::support::Path;
+using lyx::support::rtrim;
+using lyx::support::setLyxPaths;
+using lyx::support::system_lyxdir;
+using lyx::support::user_lyxdir;
+
+using lyx::support::os::getTmpDir;
+using lyx::support::os::setTmpDir;
-using std::vector;
using std::endl;
+using std::string;
+using std::vector;
#ifndef CXX_GLOBAL_CSTD
using std::exit;
using std::system;
#endif
-extern void LoadLyXFile(string const &);
+
extern void QuitLyX();
extern LyXServer * lyxserver;
-DebugStream lyxerr;
-
-boost::scoped_ptr<LastFiles> lastfiles;
-
// This is the global bufferlist object
BufferList bufferlist;
exit(EXIT_FAILURE);
}
+} // namespace anon
+
+
+boost::scoped_ptr<LyX> LyX::singleton_;
+
+void LyX::exec(int & argc, char * argv[])
+{
+ BOOST_ASSERT(!singleton_.get());
+ // We must return from this before launching the gui so that
+ // other parts of the code can access singleton_ through
+ // LyX::ref and LyX::cref.
+ singleton_.reset(new LyX);
+ // Start the real execution loop.
+ singleton_->priv_exec(argc, argv);
+}
+
+
+LyX & LyX::ref()
+{
+ BOOST_ASSERT(singleton_.get());
+ return *singleton_.get();
+}
+
+
+LyX const & LyX::cref()
+{
+ BOOST_ASSERT(singleton_.get());
+ return *singleton_.get();
+}
+
+
+LyX::LyX()
+ : first_start(false)
+{}
+
+
+LastFiles & LyX::lastfiles()
+{
+ BOOST_ASSERT(lastfiles_.get());
+ return *lastfiles_.get();
+}
+
+
+LastFiles const & LyX::lastfiles() const
+{
+ BOOST_ASSERT(lastfiles_.get());
+ return *lastfiles_.get();
+}
+
+
+void LyX::addLyXView(boost::shared_ptr<LyXView> const & lyxview)
+{
+ views_.push_back(lyxview);
+}
+
+
+Buffer const * const LyX::updateInset(InsetBase const * inset) const
+{
+ if (!inset)
+ return 0;
+
+ Buffer const * buffer_ptr = 0;
+ ViewList::const_iterator it = views_.begin();
+ ViewList::const_iterator const end = views_.end();
+ for (; it != end; ++it) {
+ Buffer const * ptr = (*it)->updateInset(inset);
+ if (ptr)
+ buffer_ptr = ptr;
+ }
+ return buffer_ptr;
}
-LyX::LyX(int & argc, char * argv[])
+
+void LyX::priv_exec(int & argc, char * argv[])
{
// Here we need to parse the command line. At least
// we need to parse for "-dbg" and "-help"
bool const want_gui = easyParse(argc, argv);
- // set the DisplayTranslator only once; should that be done here??
- // if this should not be in this file, please also remove
- // #include "graphics/GraphicsTypes.h" at the top -- Rob Lahaye.
- lyx::graphics::setDisplayTranslator();
-
- if (want_gui) {
+ if (want_gui)
lyx_gui::parse_init(argc, argv);
- }
// check for any spurious extra arguments
// other than documents
init(want_gui);
lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
- if (want_gui) {
+ if (want_gui)
lyx_gui::parse_lyxrc();
- }
+
+ initMath();
vector<string> files;
- for (int argi = argc - 1; argi >= 1; --argi) {
+ for (int argi = argc - 1; argi >= 1; --argi)
files.push_back(argv[argi]);
- }
if (first_start)
files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
// the filename if necessary
string s = FileSearch(string(), *it, "lyx");
if (s.empty()) {
- last_loaded = newFile(*it, "");
+ last_loaded = newFile(*it, string(), true);
} else {
- last_loaded = bufferlist.newBuffer(s, false);
- last_loaded->error.connect(boost::bind(&LyX::printError, this, _1));
- if (!loadLyXFile(last_loaded, s)) {
- bufferlist.release(last_loaded);
- last_loaded = newFile(*it, string());
- }
+ Buffer * buf = bufferlist.newBuffer(s, false);
+ buf->error.connect(boost::bind(&LyX::printError, this, _1));
+ if (loadLyXFile(buf, s))
+ last_loaded = buf;
+ else
+ bufferlist.release(buf);
}
}
QuitLyX();
exit(!success);
}
- }
+ }
files.clear(); // the files are already loaded
}
static void error_handler(int err_sig)
{
+ // Throw away any signals other than the first one received.
+ static sig_atomic_t handling_error = false;
+ if (handling_error)
+ return;
+ handling_error = true;
+
+ // We have received a signal indicating a fatal error, so
+ // try and save the data ASAP.
+ LyX::cref().emergencyCleanup();
+
+ // These lyxerr calls may or may not work:
+
+ // Signals are asynchronous, so the main program may be in a very
+ // fragile state when a signal is processed and thus while a signal
+ // handler function executes.
+ // In general, therefore, we should avoid performing any
+ // I/O operations or calling most library and system functions from
+ // signal handlers.
+
+ // This shouldn't matter here, however, as we've already invoked
+ // emergencyCleanup.
switch (err_sig) {
case SIGHUP:
- lyxerr << "\nlyx: SIGHUP signal caught" << endl;
- break;
- case SIGINT:
- // no comments
+ lyxerr << "\nlyx: SIGHUP signal caught\nBye." << endl;
break;
case SIGFPE:
- lyxerr << "\nlyx: SIGFPE signal caught" << endl;
+ lyxerr << "\nlyx: SIGFPE signal caught\nBye." << endl;
break;
case SIGSEGV:
- lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
- lyxerr <<
- "Sorry, you have found a bug in LyX. "
- "Please read the bug-reporting instructions "
- "in Help->Introduction and send us a bug report, "
- "if necessary. Thanks !" << endl;
+ lyxerr << "\nlyx: SIGSEGV signal caught\n"
+ "Sorry, you have found a bug in LyX. "
+ "Please read the bug-reporting instructions "
+ "in Help->Introduction and send us a bug report, "
+ "if necessary. Thanks !\nBye." << endl;
break;
+ case SIGINT:
case SIGTERM:
// no comments
break;
signal(SIGSEGV, SIG_DFL);
signal(SIGTERM, SIG_DFL);
- LyX::emergencyCleanup();
-
- lyxerr << "Bye." << endl;
- if (err_sig!= SIGHUP &&
- (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
+ if (err_sig == SIGSEGV ||
+ (err_sig != SIGHUP && !GetEnv("LYXDEBUG").empty()))
lyx::support::abort();
exit(0);
}
signal(SIGSEGV, error_handler);
signal(SIGINT, error_handler);
signal(SIGTERM, error_handler);
+ // SIGPIPE can be safely ignored.
bool const explicit_userdir = setLyxPaths();
system_lyxrc = lyxrc;
system_formats = formats;
system_converters = converters;
+ system_movers = movers;
system_lcolor = lcolor;
string prefsfile = "preferences";
if (lyxerr.debugging(Debug::LYXRC))
lyxrc.print();
- os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
+ setTmpDir(createLyXTmpDir(lyxrc.tempdir_path));
+ if (getTmpDir().empty()) {
+ Alert::error(_("Could not create temporary directory"),
+ bformat(_("Could not create a temporary directory in\n"
+ "%1$s. Make sure that this\n"
+ "path exists and is writable and try again."),
+ lyxrc.tempdir_path));
+ // createLyXTmpDir() tries sufficiently hard to create a
+ // usable temp dir, so the probability to come here is
+ // close to zero. We therefore don't try to overcome this
+ // problem with e.g. asking the user for a new path and
+ // trying again but simply exit.
+ exit(EXIT_FAILURE);
+ }
+
if (lyxerr.debugging(Debug::INIT)) {
- lyxerr << "LyX tmp dir: `" << os::getTmpDir() << '\'' << endl;
+ lyxerr << "LyX tmp dir: `" << getTmpDir() << '\'' << endl;
}
lyxerr[Debug::INIT] << "Reading lastfiles `"
<< lyxrc.lastfiles << "'..." << endl;
- lastfiles.reset(new LastFiles(lyxrc.lastfiles,
- lyxrc.check_lastfiles,
- lyxrc.num_lastfiles));
+ lastfiles_.reset(new LastFiles(lyxrc.lastfiles,
+ lyxrc.check_lastfiles,
+ lyxrc.num_lastfiles));
}
void LyX::defaultKeyBindings(kb_keymap * kbmap)
{
- kbmap->bind("Right", LFUN_RIGHT);
- kbmap->bind("Left", LFUN_LEFT);
- kbmap->bind("Up", LFUN_UP);
- kbmap->bind("Down", LFUN_DOWN);
-
- kbmap->bind("Tab", LFUN_CELL_FORWARD);
- kbmap->bind("ISO_Left_Tab", LFUN_CELL_FORWARD); // jbl 2001-23-02
+ kbmap->bind("Right", FuncRequest(LFUN_RIGHT));
+ kbmap->bind("Left", FuncRequest(LFUN_LEFT));
+ kbmap->bind("Up", FuncRequest(LFUN_UP));
+ kbmap->bind("Down", FuncRequest(LFUN_DOWN));
- kbmap->bind("Home", LFUN_HOME);
- kbmap->bind("End", LFUN_END);
- kbmap->bind("Prior", LFUN_PRIOR);
- kbmap->bind("Next", LFUN_NEXT);
+ kbmap->bind("Tab", FuncRequest(LFUN_CELL_FORWARD));
+ kbmap->bind("ISO_Left_Tab", FuncRequest(LFUN_CELL_FORWARD));
- kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
- //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
+ kbmap->bind("Home", FuncRequest(LFUN_HOME));
+ kbmap->bind("End", FuncRequest(LFUN_END));
+ kbmap->bind("Prior", FuncRequest(LFUN_PRIOR));
+ kbmap->bind("Next", FuncRequest(LFUN_NEXT));
- kbmap->bind("Delete", LFUN_DELETE);
- kbmap->bind("BackSpace", LFUN_BACKSPACE);
+ kbmap->bind("Return", FuncRequest(LFUN_BREAKPARAGRAPH));
+ //kbmap->bind("~C-~S-~M-nobreakspace", FuncRequest(LFUN_PROTECTEDSPACE));
- // sub- and superscript -MV
- kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
- kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
+ kbmap->bind("Delete", FuncRequest(LFUN_DELETE));
+ kbmap->bind("BackSpace", FuncRequest(LFUN_BACKSPACE));
// kbmap->bindings to enable the use of the numeric keypad
// e.g. Num Lock set
- //kbmap->bind("KP_0", LFUN_SELFINSERT);
- //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
- kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
- //kbmap->bind("KP_1", LFUN_SELFINSERT);
- //kbmap->bind("KP_2", LFUN_SELFINSERT);
- //kbmap->bind("KP_3", LFUN_SELFINSERT);
- //kbmap->bind("KP_4", LFUN_SELFINSERT);
- //kbmap->bind("KP_5", LFUN_SELFINSERT);
- //kbmap->bind("KP_6", LFUN_SELFINSERT);
- //kbmap->bind("KP_Add", LFUN_SELFINSERT);
- //kbmap->bind("KP_7", LFUN_SELFINSERT);
- //kbmap->bind("KP_8", LFUN_SELFINSERT);
- //kbmap->bind("KP_9", LFUN_SELFINSERT);
- //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
- //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
- //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
- kbmap->bind("KP_Right", LFUN_RIGHT);
- kbmap->bind("KP_Left", LFUN_LEFT);
- kbmap->bind("KP_Up", LFUN_UP);
- kbmap->bind("KP_Down", LFUN_DOWN);
- kbmap->bind("KP_Home", LFUN_HOME);
- kbmap->bind("KP_End", LFUN_END);
- kbmap->bind("KP_Prior", LFUN_PRIOR);
- kbmap->bind("KP_Next", LFUN_NEXT);
-
- kbmap->bind("C-Tab", LFUN_CELL_SPLIT); // ale970515
- kbmap->bind("S-Tab", LFUN_CELL_BACKWARD); // jug20000522
- kbmap->bind("S-ISO_Left_Tab", LFUN_CELL_BACKWARD); // jbl 2001-23-02
+ //kbmap->bind("KP_0", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_Decimal", FuncRequest(LFUN_SELFINSERT));
+ kbmap->bind("KP_Enter", FuncRequest(LFUN_BREAKPARAGRAPH));
+ //kbmap->bind("KP_1", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_2", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_3", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_4", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_5", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_6", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_Add", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_7", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_8", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_9", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_Divide", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_Multiply", FuncRequest(LFUN_SELFINSERT));
+ //kbmap->bind("KP_Subtract", FuncRequest(LFUN_SELFINSERT));
+ kbmap->bind("KP_Right", FuncRequest(LFUN_RIGHT));
+ kbmap->bind("KP_Left", FuncRequest(LFUN_LEFT));
+ kbmap->bind("KP_Up", FuncRequest(LFUN_UP));
+ kbmap->bind("KP_Down", FuncRequest(LFUN_DOWN));
+ kbmap->bind("KP_Home", FuncRequest(LFUN_HOME));
+ kbmap->bind("KP_End", FuncRequest(LFUN_END));
+ kbmap->bind("KP_Prior", FuncRequest(LFUN_PRIOR));
+ kbmap->bind("KP_Next", FuncRequest(LFUN_NEXT));
+
+ kbmap->bind("C-Tab", FuncRequest(LFUN_CELL_SPLIT));
+ kbmap->bind("S-Tab", FuncRequest(LFUN_CELL_BACKWARD));
+ kbmap->bind("S-ISO_Left_Tab", FuncRequest(LFUN_CELL_BACKWARD));
}
-void LyX::emergencyCleanup()
+void LyX::emergencyCleanup() const
{
// what to do about tmpfiles is non-obvious. we would
// like to delete any we find, but our lyxdir might
{
// bindKeyings for transparent handling of deadkeys
// The keysyms are gotten from XFree86 X11R6
- kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
- kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
- kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
- kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
- kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
- kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
- kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
- kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
- kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
- kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
+ kbmap->bind("~C-~S-~M-dead_acute", FuncRequest(LFUN_ACUTE));
+ kbmap->bind("~C-~S-~M-dead_breve", FuncRequest(LFUN_BREVE));
+ kbmap->bind("~C-~S-~M-dead_caron", FuncRequest(LFUN_CARON));
+ kbmap->bind("~C-~S-~M-dead_cedilla", FuncRequest(LFUN_CEDILLA));
+ kbmap->bind("~C-~S-~M-dead_abovering", FuncRequest(LFUN_CIRCLE));
+ kbmap->bind("~C-~S-~M-dead_circumflex", FuncRequest(LFUN_CIRCUMFLEX));
+ kbmap->bind("~C-~S-~M-dead_abovedot", FuncRequest(LFUN_DOT));
+ kbmap->bind("~C-~S-~M-dead_grave", FuncRequest(LFUN_GRAVE));
+ kbmap->bind("~C-~S-~M-dead_doubleacute", FuncRequest(LFUN_HUNG_UMLAUT));
+ kbmap->bind("~C-~S-~M-dead_macron", FuncRequest(LFUN_MACRON));
// nothing with this name
// kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
- kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
- kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
+ kbmap->bind("~C-~S-~M-dead_tilde", FuncRequest(LFUN_TILDE));
+ kbmap->bind("~C-~S-~M-dead_diaeresis", FuncRequest(LFUN_UMLAUT));
// nothing with this name either...
- //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
- kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
- kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
- kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
+ //kbmap->bind("~C-~S-~M-dead_underbar", FuncRequest(LFUN_UNDERBAR));
+ kbmap->bind("~C-~S-~M-dead_belowdot", FuncRequest(LFUN_UNDERDOT));
+ kbmap->bind("~C-~S-~M-dead_tie", FuncRequest(LFUN_TIE));
+ kbmap->bind("~C-~S-~M-dead_ogonek",FuncRequest(LFUN_OGONEK));
}