/* This file is part of
 * ====================================================== 
 * 
 *           LyX, The Document Processor
 * 	 
 *	    Copyright 1995 Matthias Ettrich
 *          Copyright 1995-2001 The LyX Team.
 *
 * ====================================================== */

#include <config.h>

#include "Lsstream.h"

#include <time.h>
#include <locale.h>
#include <utility> 
#include <algorithm> 

#include <cstdlib>
#include <cctype>

#ifdef __GNUG__
#pragma implementation
#endif

#include "support/lyxalgo.h"
#include "version.h"
#include "kbmap.h"
#include "lyxfunc.h"
#include "bufferlist.h"
#include "BufferView.h"
#include "ColorHandler.h"
#include "lyxserver.h"
#include "intl.h"
#include "lyx_main.h"
#include "lyx_cb.h"
#include "LyXAction.h"
#include "insets/inseturl.h"
#include "insets/insetlatexaccent.h"
#include "insets/insettoc.h"
#include "insets/insetref.h"
#include "insets/insetparent.h"
#include "insets/insetindex.h"
#include "insets/insetinclude.h"
#include "insets/insetbib.h"
#include "insets/insetcite.h"
#include "insets/insettext.h"
#include "insets/insetert.h"
#include "insets/insetexternal.h"
#include "insets/insetgraphics.h"
#include "insets/insetfoot.h"
#include "insets/insetmarginal.h"
#include "insets/insetminipage.h"
#include "insets/insetfloat.h"
#include "insets/insetlist.h"
#include "insets/insettabular.h"
#include "insets/insettheorem.h"
#include "insets/insetcaption.h"
#include "mathed/formulamacro.h"
#include "mathed/math_cursor.h"
#include "mathed/math_inset.h"
#include "minibuffer.h"
#include "vspace.h"
#include "LyXView.h"
#include "lyx_gui_misc.h"
#include "support/filetools.h"
#include "support/FileInfo.h"
#include "support/syscall.h"
#include "support/lstrings.h"
#include "support/path.h"
#include "support/lyxfunctional.h"
#include "debug.h"
#include "lyxrc.h"
#include "lyxtext.h"
#include "gettext.h"
#include "trans_mgr.h"
#include "layout.h"
#include "WorkArea.h"
#include "bufferview_funcs.h"
#include "frontends/FileDialog.h"
#include "frontends/Dialogs.h"
#include "frontends/Toolbar.h"
#include "frontends/Menubar.h"
#include "FloatList.h"
#include "converter.h"
#include "exporter.h"
#include "importer.h"
#include "FontLoader.h"
#include "TextCache.h"
#include "lyxfind.h"
#include "undo_funcs.h"

using std::pair;
using std::make_pair; 
using std::endl;
using std::find_if;

extern BufferList bufferlist;
extern LyXServer * lyxserver;
extern int greek_kb_flag;
extern bool selection_possible;
extern void MenuSendto();

extern boost::scoped_ptr<kb_keymap> toplevel_keymap;

extern void show_symbols_form(LyXFunc *);

extern LyXAction lyxaction;
// (alkis)
extern tex_accent_struct get_accent(kb_action action);

extern LyXTextClass::size_type current_layout;

extern void ShowLatexLog();


#if 0

///
class MiniBufferController : public SigC::Object {
public:
	///
	MiniBufferController() {
		minibuffer
			.cmdReady
			.connect(slot(this,
				      &MiniBufferController::receiveCommand));
		minibuffer
			.argReady
			.connect(slot(this,
				      &MiniBufferController::receiveArg));
	}
	///
	void receiveCmd(string const & cmd) {}
	///
	void receiveArg(string const & arg) {}
	
	
private:
};

namespace {

MiniBufferController mb_ctrl;

}
#endif


/* === globals =========================================================== */

// Initialization of static member var
bool LyXFunc::show_sc = true;


LyXFunc::LyXFunc(LyXView * o)
	: owner(o)
{
	meta_fake_bit = 0;
	lyx_dead_action = LFUN_NOACTION;
	lyx_calling_dead_action = LFUN_NOACTION;
	setupLocalKeymap();
}


inline
LyXText * LyXFunc::TEXT(bool flag = true) const
{
	if (flag)
		return owner->view()->text;
	return owner->view()->getLyXText();
}


// I changed this func slightly. I commented out the ...FinishUndo(),
// this means that all places that used to have a moveCursorUpdate, now
// have a ...FinishUndo() as the preceeding statement. I have also added
// a moveCursorUpdate to some of the functions that updated the cursor, but
// that did not show its new position.
inline
void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
{
	if (selecting || TEXT(flag)->selection.mark()) {
		TEXT(flag)->setSelection(owner->view());
		if (TEXT(flag)->bv_owner)
		    owner->view()->toggleToggle();
	}
	owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
	owner->view()->showCursor();
	
	/* ---> Everytime the cursor is moved, show the current font state. */
	// should this too me moved out of this func?
	owner->view()->setState();
}


void LyXFunc::handleKeyFunc(kb_action action)
{
	char c = keyseq.getiso();

	if (keyseq.length != -1) c = 0;
	
	owner->getIntl()->getTrans()
		.deadkey(c, get_accent(action).accent, TEXT(false));
	// Need to reset, in case the minibuffer calls these
	// actions
	keyseq.reset();
	keyseq.length = 0;
	// copied verbatim from do_accent_char
	owner->view()->update(TEXT(false),
	       BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
	TEXT(false)->selection.cursor = TEXT(false)->cursor;
}


void LyXFunc::processKeySym(KeySym keysym, unsigned int state) 
{
	string argument;
	
	if (lyxerr.debugging(Debug::KEY)) {
		char const * tmp = XKeysymToString(keysym);
		string const stm = (tmp ? tmp : "");
		lyxerr << "KeySym is "
		       << stm
		       << "["
		       << keysym << "] State is ["
		       << state << "]"
		       << endl;
	}
	// Do nothing if we have nothing (JMarc)
	if (keysym == NoSymbol) {
		lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
				   << endl;
		return;
	}

	// Can we be sure that this will work for all X-Windows
	// implementations? (Lgb)
	// This code snippet makes lyx ignore some keys. Perhaps
	// all of them should be explictly mentioned?
	if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
	    || keysym == XK_Mode_switch || keysym == 0x0) {
		return;
	}
	
	// Do a one-deep top-level lookup for
	// cancel and meta-fake keys. RVDK_PATCH_5
	cancel_meta_seq.reset();

	int action = cancel_meta_seq.addkey(keysym, state
					    &(ShiftMask|ControlMask
					      |Mod1Mask)); 
	if (lyxerr.debugging(Debug::KEY)) {
		lyxerr << "action first set to [" << action << "]" << endl;
	}
	
	// When not cancel or meta-fake, do the normal lookup. 
	// Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
	// Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
	if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
		if (lyxerr.debugging(Debug::KEY)) {
			lyxerr << "meta_fake_bit is ["
			       << meta_fake_bit << "]" << endl;
		}
		// remove Caps Lock and Mod2 as a modifiers
		action = keyseq.addkey(keysym,
				       (state | meta_fake_bit)
				       &(ShiftMask|ControlMask
					 |Mod1Mask));
		if (lyxerr.debugging(Debug::KEY)) {
			lyxerr << "action now set to ["
			       << action << "]" << endl;
		}
	}
	// Dont remove this unless you know what you are doing.
	meta_fake_bit = 0;
		
	if (action == 0) action = LFUN_PREFIX;

	if (lyxerr.debugging(Debug::KEY)) {
		string buf;
		keyseq.print(buf);
		lyxerr << "Key [action="
		       << action << "]["
		       << buf << "]"
		       << endl;
	}

	// already here we know if it any point in going further
	// why not return already here if action == -1 and
	// num_bytes == 0? (Lgb)

	if (keyseq.length > 1 || keyseq.length < -1) {
		string buf;
		keyseq.print(buf);
		owner->message(buf);
	}

	if (action == -1) {
		// It is unknown, but what if we remove all
		// the modifiers? (Lgb)
		action = keyseq.addkey(keysym, 0);

		if (lyxerr.debugging(Debug::KEY)) {
			lyxerr << "Removing modifiers...\n"
			       << "Action now set to ["
			       << action << "]" << endl;
		}
		if (action == -1) {
			owner->message(_("Unknown function."));
			return;
		}
	}

	if (action == LFUN_SELFINSERT) {
		// This is very X dependant.
		unsigned int c = keysym;
		
		switch (c & 0x0000FF00) {
			// latin 1 byte 3 = 0
		case 0x00000000: break;
			// latin 2 byte 3 = 1
		case 0x00000100:
			// latin 3 byte 3 = 2
		case 0x00000200:
			// latin 4 byte 3 = 3
		case 0x00000300:
			// latin 8 byte 3 = 18 (0x12)
		case 0x00001200:
			// latin 9 byte 3 = 19 (0x13)
		case 0x00001300:
			c &= 0x000000FF;
			break;
		default:
			c = 0;
			break;
		}
		if (c > 0)
			argument = static_cast<char>(c);
		lyxerr[Debug::KEY] << "SelfInsert arg[`"
				   << argument << "']" << endl;
	}
	
        bool tmp_sc = show_sc;
	show_sc = false;
	dispatch(action, argument);
	show_sc = tmp_sc;
	
	//return 0;
} 


func_status::value_type LyXFunc::getStatus(int ac) const
{
	return getStatus(ac, string());
}


func_status::value_type LyXFunc::getStatus(int ac,
					   string const & not_to_use_arg) const
{
	kb_action action;
	func_status::value_type flag = func_status::OK;
	string argument;
	Buffer * buf = owner->buffer();
	
	if (lyxaction.isPseudoAction(ac)) 
		action = lyxaction.retrieveActionArg(ac, argument);
	else {
		action = static_cast<kb_action>(ac);
		if (!not_to_use_arg.empty())
			argument = not_to_use_arg; // exept here
	}
	
	if (action == LFUN_UNKNOWN_ACTION) {
		setErrorMessage(N_("Unknown action"));
		return func_status::Unknown;
	}
	
	// Check whether we need a buffer
	if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
		// Yes we need a buffer, do we have one?
		if (buf) {
			// yes
			// Can we use a readonly buffer?
			if (buf->isReadonly() && 
			    !lyxaction.funcHasFlag(action,
						   LyXAction::ReadOnly)) {
				// no
				setErrorMessage(N_("Document is read-only"));
				flag |= func_status::Disabled;
			}
		} else {
			// no
			setErrorMessage(N_("Command not allowed with"
					   "out any document open"));
			flag |= func_status::Disabled;
			return flag;
		}
	}

	// I would really like to avoid having this switch and rather try to
	// encode this in the function itself.
        bool disable = false;
        switch (action) {
	case LFUN_MENUPRINT:
		disable = !Exporter::IsExportable(buf, "dvi")
			|| lyxrc.print_command == "none";
		break;
	case LFUN_EXPORT:
		disable = argument == "fax" &&
			!Exporter::IsExportable(buf, argument);
		break;
	case LFUN_UNDO:
		disable = buf->undostack.empty();
		break;
	case LFUN_REDO:
		disable = buf->redostack.empty();
		break;
	case LFUN_SPELLCHECK:
		disable = lyxrc.isp_command == "none";
		break;
	case LFUN_RUNCHKTEX:
		disable = lyxrc.chktex_command == "none";
		break;
	case LFUN_BUILDPROG:
		disable = !Exporter::IsExportable(buf, "program");
		break;

	case LFUN_LAYOUT_TABULAR:
		disable = true;
		if (owner->view()->theLockingInset()) {
			disable = (owner->view()->theLockingInset()->lyxCode() != Inset::TABULAR_CODE) &&
				!owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
		}
		break;

	case LFUN_TABULAR_FEATURE:
		disable = true;
		if (owner->view()->theLockingInset()) {
			func_status::value_type ret = func_status::Disabled;
			if (owner->view()->theLockingInset()->lyxCode() == Inset::TABULAR_CODE) {
				ret = static_cast<InsetTabular *>
					(owner->view()->theLockingInset())->
					getStatus(argument);
			} else if (owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
				ret = static_cast<InsetTabular *>
					(owner->view()->theLockingInset()->
					 getFirstLockingInsetOfType(Inset::TABULAR_CODE))->
					getStatus(argument);
			}
			flag |= ret;
			disable = false;
		} else {
			static InsetTabular inset(*owner->buffer(), 1, 1);
			func_status::value_type ret;

			disable = true;
			ret = inset.getStatus(argument);
			if ((ret & func_status::ToggleOn) ||
			    (ret & func_status::ToggleOff))
				flag |= func_status::ToggleOff;
		}
		break;

	case LFUN_VC_REGISTER:
		disable = buf->lyxvc.inUse();
		break;
	case LFUN_VC_CHECKIN:
		disable = !buf->lyxvc.inUse() || buf->isReadonly();
		break;
	case LFUN_VC_CHECKOUT:
		disable = !buf->lyxvc.inUse() || !buf->isReadonly();
		break;
	case LFUN_VC_REVERT:
	case LFUN_VC_UNDO:
	case LFUN_VC_HISTORY:
		disable = !buf->lyxvc.inUse();
		break;
	case LFUN_BOOKMARK_GOTO:
		disable =  !owner->view()->
			isSavedPosition(strToUnsignedInt(argument));
		break;


	case LFUN_INSET_TOGGLE:
		disable = (TEXT(false)->getInset() == 0);
		break;

	case LFUN_MATH_VALIGN: {
    // I think this test can be simplified (Andre')
		// mathcursor is != 0  iff we are in math mode
		//Inset * tli = owner->view()->theLockingInset();
		//if (tli && (tli->lyxCode() == Inset::MATH_CODE 
		//	    || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
		//
		if (mathcursor) {
			char align = mathcursor->valign();
			if (align == '\0') {
				disable = true;
				break;
			}
			if (argument.empty()) {
				flag = func_status::OK;
				break;
			}
			if (!contains("tcb", argument[0])) {
				disable = true;
				break;
			}
			if (argument[0] == align) 
				flag |= func_status::ToggleOn;
			else
				flag |= func_status::ToggleOff;
		} else
			disable = true;
		break;
	}
	case LFUN_MATH_HALIGN: {
		//Inset * tli = owner->view()->theLockingInset();
		//if (tli && (tli->lyxCode() == Inset::MATH_CODE 
		//	    || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
		if (mathcursor) {
			char align = mathcursor->halign();
			if (align == '\0') {
				disable = true;
				break;
			}
			if (argument.empty()) {
				flag = func_status::OK;
				break;
			}
			if (!contains("lcr", argument[0])) {
				disable = true;
				break;
			}
			if (argument[0] == align) 
				flag |= func_status::ToggleOn;
			else
				flag |= func_status::ToggleOff;
		} else
			disable = true;
		break;
	}
	case LFUN_MATH_MUTATE: {
		Inset * tli = owner->view()->theLockingInset();
		if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
			MathInsetTypes type = mathcursor->par()->GetType();
			func_status::value_type box = func_status::ToggleOff;
			if (argument == "inline") {
				if (type == LM_OT_SIMPLE)
					box = func_status::ToggleOn;
			} else if (argument == "display") {
				if (type == LM_OT_EQUATION)
					box = func_status::ToggleOn;
			} else if (argument == "eqnarray") {
				if (type == LM_OT_EQNARRAY)
					box = func_status::ToggleOn;
			} else if (argument == "align") {
				if (type == LM_OT_ALIGN)
					box = func_status::ToggleOn;
			} else {
				box = func_status::OK;
				disable = true;
			}
			flag |= box;
		} else
			disable = true;
		break;
	}

	// we just need to be in math mode to enable that
	case LFUN_MATH_SIZE: 
	case LFUN_MATH_LIMITS: 
	case LFUN_MATH_NONUMBER: 
	case LFUN_MATH_NUMBER:
		disable = !mathcursor;
		break;

	// we need to be math mode and a math array for that
	// Hack: halign produces non-zero result iff we are in a math array
	case LFUN_MATH_ROW_INSERT: 
	case LFUN_MATH_ROW_DELETE: 
	case LFUN_MATH_COLUMN_INSERT: 
	case LFUN_MATH_COLUMN_DELETE: 
		disable = !mathcursor || !mathcursor->halign();
		break;

	default:
		break;
	}

	// the functions which insert insets
	Inset::Code code = Inset::NO_CODE;
	switch (action) {
	case LFUN_INSET_TEXT:
		code = Inset::TEXT_CODE;
		break;
	case LFUN_INSET_ERT:
		code = Inset::ERT_CODE;		
		break;
	case LFUN_INSET_GRAPHICS:
		code = Inset::GRAPHICS_CODE;
		break;
	case LFUN_INSET_FOOTNOTE:
		code = Inset::FOOT_CODE;
		break;
	case LFUN_INSET_TABULAR:
		code = Inset::TABULAR_CODE;
		break;
	case LFUN_INSET_EXTERNAL:
		code = Inset::EXTERNAL_CODE;
		break;
	case LFUN_INSET_MARGINAL:
		code = Inset::MARGIN_CODE;
		break;
	case LFUN_INSET_MINIPAGE:
		code = Inset::MINIPAGE_CODE;
		break;
	case LFUN_INSET_FLOAT:
	case LFUN_INSET_WIDE_FLOAT:
		code = Inset::FLOAT_CODE;
		break;
#if 0
	case LFUN_INSET_LIST:
		code = Inset::LIST_CODE;
		break;
#endif
	case LFUN_INSET_THEOREM:
		code = Inset::THEOREM_CODE;
		break;
	case LFUN_INSET_CAPTION:
		code = Inset::CAPTION_CODE;
		break;
	case LFUN_INSERT_NOTE:
		code = Inset::IGNORE_CODE;
		break;
	case LFUN_INSERT_LABEL:
		code = Inset::LABEL_CODE;
		break;
	case LFUN_REF_INSERT:
		code = Inset::REF_CODE;
		break;
	case LFUN_CITATION_INSERT:
		code = Inset::CITE_CODE;
		break;
	case LFUN_INSERT_BIBTEX:
		code = Inset::BIBTEX_CODE;
		break;
	case LFUN_INDEX_INSERT:
	case LFUN_INDEX_INSERT_LAST:
		code = Inset::INDEX_CODE;
		break;
#if 0
	case LFUN_CHILD_INSERT:
		code = Inset::CHILD_CODE;
		break;
#endif
	case LFUN_TOC_INSERT:
		code = Inset::TOC_CODE;
		break;
	case LFUN_PARENTINSERT:
		code = Inset::PARENT_CODE;
		break;
	case LFUN_INSERT_URL:
		code = Inset::URL_CODE;
		break;
	default:
		break;
	}
	if (code != Inset::NO_CODE 
	    && owner->view()->theLockingInset()
	    && !owner->view()->theLockingInset()->insetAllowed(code)) {
		disable = true;
	}

	if (disable)
	        flag |= func_status::Disabled;
	
	// the font related functions
	func_status::value_type box = func_status::ToggleOff;
	LyXFont const & font =
		TEXT(false)->real_current_font;
	switch (action) {
	case LFUN_EMPH:
		if (font.emph() == LyXFont::ON)
			box = func_status::ToggleOn;
		break;
	case LFUN_NOUN:
		if (font.noun() == LyXFont::ON)
			box = func_status::ToggleOn;
		break;
	case LFUN_BOLD:
		if (font.series() == LyXFont::BOLD_SERIES)
			box = func_status::ToggleOn;
		break;
#ifndef NO_LATEX
	case LFUN_TEX:
		if (font.latex() == LyXFont::ON)
			box = func_status::ToggleOn;
		break;
#endif
	case LFUN_READ_ONLY_TOGGLE:
		if (buf->isReadonly())
			box = func_status::ToggleOn;
		break;
	default:
		box = func_status::OK;
		break;
	}
	flag |= box;

	return flag;
}


// temporary dispatch method
void LyXFunc::miniDispatch(string const & s) 
{
	if (!s.empty()) {
		dispatch(s);
	}
}


string const LyXFunc::dispatch(string const & s) 
{
	// Split command string into command and argument
	string cmd;
	string line = frontStrip(s);
	string const arg = strip(frontStrip(split(line, cmd, ' ')));

	return dispatch(lyxaction.LookupFunc(cmd), arg);
}


string const LyXFunc::dispatch(int ac,
			       string const & do_not_use_this_arg)
{
	lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
			      <<"] arg[" << do_not_use_this_arg << "]" << endl;
	
	string argument;
	kb_action action;
        
        // we have not done anything wrong yet.
        errorstat = false;
	dispatch_buffer.erase();
	
	// if action is a pseudo-action, we need the real action
	if (lyxaction.isPseudoAction(ac)) {
		string tmparg;
		action = static_cast<kb_action>
			(lyxaction.retrieveActionArg(ac, tmparg));
		if (!tmparg.empty())
			argument = tmparg;
	} else {
		action = static_cast<kb_action>(ac);
		if (!do_not_use_this_arg.empty())
			argument = do_not_use_this_arg; // except here
	}

#ifdef NEW_DISPATCHER
	// We try do call the most specific dispatcher first:
	//  1. the lockinginset's dispatch
	//  2. the bufferview's dispatch
	//  3. the lyxview's dispatch
#endif
	
	selection_possible = false;
	
	if (owner->view()->available())
		owner->view()->hideCursor();

	// We cannot use this function here
	if (getStatus(ac, do_not_use_this_arg) & func_status::Disabled)
		goto exit_with_message;


	if (owner->view()->available() && owner->view()->theLockingInset()) {
		UpdatableInset::RESULT result;
		if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
				     (keyseq.length >= -1)))
		{
			if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
				argument = keyseq.getiso();
			}
			// Undo/Redo is a bit tricky for insets.
			if (action == LFUN_UNDO) {
#ifdef RETHINK_THIS_FOR_NOW_WE_LEAVE_ALL_UNLOCKED
				int slx;
				int sly;
				UpdatableInset * inset = 
					owner->view()->theLockingInset()->getLockingInset();
				int inset_id = inset->id();
				inset->getCursorPos(owner->view(), slx, sly);
				owner->view()->unlockInset(inset);
#else
				owner->view()->unlockInset(owner->view()->theLockingInset());
#endif
				owner->view()->menuUndo();
#ifdef RETHINK_THIS_FOR_NOW_WE_LEAVE_ALL_UNLOCKED
#if 0
				if (TEXT()->cursor.par()->
				    isInset(TEXT()->cursor.pos())) {
					inset = static_cast<UpdatableInset*>(
						TEXT()->cursor.par()->
						getInset(TEXT()->
							 cursor.pos()));
				} else {
					inset = 0;
				}
#else
				inset = static_cast<UpdatableInset *>(owner->view()->buffer()->getInsetFromID(inset_id));
#endif
				if (inset)
					inset->edit(owner->view(),slx,sly,0);
#endif
				return string();
			} else if (action == LFUN_REDO) {
				int slx;
				int sly;
				UpdatableInset * inset = owner->view()->
					theLockingInset();
				inset->getCursorPos(owner->view(), slx, sly);
				owner->view()->unlockInset(inset);
				owner->view()->menuRedo();
				inset = static_cast<UpdatableInset*>(
					TEXT()->cursor.par()->
					getInset(TEXT()->
						 cursor.pos()));
				if (inset)
					inset->edit(owner->view(),slx,sly,0); 
				return string();
			} else if (((result=owner->view()->theLockingInset()->
				   localDispatch(owner->view(), action,
						 argument)) ==
				   UpdatableInset::DISPATCHED) ||
				   (result == UpdatableInset::DISPATCHED_NOUPDATE))
				return string();
			else {
				//setMessage(N_("Text mode"));
				switch (action) {
				case LFUN_UNKNOWN_ACTION:
				case LFUN_BREAKPARAGRAPH:
				case LFUN_BREAKLINE:
					TEXT()->cursorRight(owner->view());
					owner->view()->setState();
					owner->showState();
					break;
				case LFUN_RIGHT:
					if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
						TEXT()->cursorRight(owner->view());
						moveCursorUpdate(true, false);
						owner->showState();
					}
					return string();
				case LFUN_LEFT: 
					if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
						TEXT()->cursorRight(owner->view());
						moveCursorUpdate(true, false);
						owner->showState();
					}
					return string();
				case LFUN_DOWN:
					if (TEXT()->cursor.row()->next())
						TEXT()->cursorDown(owner->view());
					else
						TEXT()->cursorRight(owner->view());
					moveCursorUpdate(true, false);
					owner->showState();
					return string();
				default:
					break;
				}
			}
		}
	}

	lyx::Assert(action != LFUN_SELECT_FILE_SYNC);

	switch (action) {
		
	case LFUN_ESCAPE:
	{
		if (!owner->view()->available()) break;
		
		// this function should be used always [asierra060396]
		UpdatableInset * tli =
			owner->view()->theLockingInset();
		if (tli) {
			UpdatableInset * lock = tli->getLockingInset();
			
			if (tli == lock) {
				owner->view()->unlockInset(tli);
				TEXT()->cursorRight(owner->view());
				moveCursorUpdate(true, false);
				owner->showState();
			} else {
				tli->unlockInsetInInset(owner->view(),
							lock,
							true);
			}
		}
	}
	break;
			
		// --- Misc -------------------------------------------
	case LFUN_WORDFINDFORWARD  : 
	case LFUN_WORDFINDBACKWARD : {
		static string last_search;
		string searched_string;
	    
		if (!argument.empty()) {
			last_search = argument;
			searched_string = argument;
		} else {
			searched_string = last_search;
		}
		bool fw = (action == LFUN_WORDFINDBACKWARD);
		if (!searched_string.empty()) {
			LyXFind(owner->view(), searched_string, fw);
		}
//		owner->view()->showCursor();
	}
	break;
		
	case LFUN_PREFIX:
	{
		if (owner->view()->available() && !owner->view()->theLockingInset()) {
			owner->view()->update(TEXT(),
					      BufferView::SELECT|BufferView::FITCUR);
		}
		string buf;
		keyseq.print(buf, true);
		owner->message(buf);
	}
	break;

	// --- Misc -------------------------------------------
	case LFUN_EXEC_COMMAND:
	{
		std::vector<string> allCmds;
		std::transform(lyxaction.func_begin(), lyxaction.func_end(),
			       std::back_inserter(allCmds), lyx::firster());
		static std::vector<string> hist;
		owner->getMiniBuffer()->getString(MiniBuffer::spaces,
						  allCmds, hist);
	}
	break;
		
	case LFUN_CANCEL:                   // RVDK_PATCH_5
		keyseq.reset();
		meta_fake_bit = 0;
		if (owner->view()->available())
			// cancel any selection
			dispatch(LFUN_MARK_OFF);
		setMessage(N_("Cancel"));
		break;

	case LFUN_META_FAKE:                                 // RVDK_PATCH_5
	{
		meta_fake_bit = Mod1Mask;
		string buf;
		keyseq.print(buf, true);
		setMessage(buf); // RVDK_PATCH_5
	}
	break;  

	case LFUN_READ_ONLY_TOGGLE:
		if (owner->buffer()->lyxvc.inUse()) {
			owner->buffer()->lyxvc.toggleReadOnly();
		} else {
			owner->buffer()->setReadonly(
				!owner->buffer()->isReadonly());
		}
		break;
		
	case LFUN_CENTER: // this is center and redraw.
		owner->view()->center();
		break;
		
		// --- Menus -----------------------------------------------
	case LFUN_MENUNEW:
		menuNew(false);
		break;
		
	case LFUN_MENUNEWTMPLT:
		menuNew(true);
		break;
		
	case LFUN_CLOSEBUFFER:
		closeBuffer();
		break;
		
	case LFUN_MENUWRITE:
		if (!owner->buffer()->isUnnamed()) {
			ostringstream s1;
			s1 << _("Saving document") << ' '
			   << MakeDisplayPath(owner->buffer()->fileName() + "...");
			owner->message(s1.str().c_str());
			MenuWrite(owner->view(), owner->buffer());
		} else
			WriteAs(owner->view(), owner->buffer());
		break;
		
	case LFUN_WRITEAS:
		WriteAs(owner->view(), owner->buffer(), argument);
		break;
		
	case LFUN_MENURELOAD:
		reloadBuffer();
		break;
		
	case LFUN_UPDATE:
		Exporter::Export(owner->buffer(), argument, true);
		break;

	case LFUN_PREVIEW:
		Exporter::Preview(owner->buffer(), argument);
		break;
		
        case LFUN_BUILDPROG:
		Exporter::Export(owner->buffer(), "program", true);
                break;
                
 	case LFUN_RUNCHKTEX:
		MenuRunChktex(owner->buffer());
		break;
				
	case LFUN_MENUPRINT:
		owner->getDialogs()->showPrint();
		break;

	case LFUN_EXPORT:
		if (argument == "custom")
			MenuSendto();
		else
			Exporter::Export(owner->buffer(), argument, false);
		break;

	case LFUN_IMPORT:
		doImport(argument);
		break;
		
	case LFUN_QUIT:
		QuitLyX();
		break;
		
	case LFUN_TOCVIEW:
#if 0
	case LFUN_LOFVIEW:
	case LFUN_LOTVIEW:
	case LFUN_LOAVIEW:
#endif
	{
		InsetCommandParams p;

#if 0
		if (action == LFUN_TOCVIEW)
#endif
			p.setCmdName("tableofcontents");
#if 0
		else if (action == LFUN_LOAVIEW )
			p.setCmdName("listof{algorithm}{List of Algorithms}");
		else if (action == LFUN_LOFVIEW)
			p.setCmdName("listoffigures");
		else
			p.setCmdName("listoftables");
#endif
		owner->getDialogs()->createTOC(p.getAsString());
		break;
	}	

	case LFUN_DIALOG_TABULAR_INSERT:
		owner->getDialogs()->showTabularCreate();
		break;
		
	case LFUN_FIGURE:
		Figure();
		break;

	case LFUN_AUTOSAVE:
		AutoSave(owner->view());
		break;
		
	case LFUN_UNDO:
		owner->view()->menuUndo();
		break;
		
	case LFUN_REDO:
		owner->view()->menuRedo();
		break;
		
	case LFUN_MENUSEARCH:
		owner->getDialogs()->showSearch();
		break;
		
	case LFUN_REMOVEERRORS:
		if (owner->view()->removeAutoInsets()) {
			owner->view()->redraw();
			owner->view()->fitCursor(TEXT());
		}
		break;

	case LFUN_DEPTH:
		changeDepth(owner->view(), TEXT(false), 0);
		break;
		
	case LFUN_DEPTH_MIN:
		changeDepth(owner->view(), TEXT(false), -1);
		break;
		
	case LFUN_DEPTH_PLUS:
		changeDepth(owner->view(), TEXT(false), 1);
		break;
		
	case LFUN_FREE:
		owner->getDialogs()->setUserFreeFont();
		break;

#ifndef NO_LATEX
	case LFUN_TEX:
		Tex(owner->view());
		owner->view()->setState();
		owner->showState();
		break;
#endif
		
	case LFUN_RECONFIGURE:
		Reconfigure(owner->view());
		break;

#if 0
	case LFUN_FLOATSOPERATE:
		if (argument == "openfoot")
			owner->view()->allFloats(1,0);
		else if (argument == "closefoot")
			owner->view()->allFloats(0,0);
		else if (argument == "openfig")
			owner->view()->allFloats(1,1);
		else if (argument == "closefig")
			owner->view()->allFloats(0,1);
		break;
#else
#ifdef WITH_WARNINGS
#warning Find another implementation here (or another lyxfunc)!
#endif
#endif
	case LFUN_HELP_ABOUTLYX:
		owner->getDialogs()->showAboutlyx();
		break;

	case LFUN_HELP_COPYRIGHT:
	case LFUN_HELP_CREDITS:
		

        case LFUN_HELP_OPEN:
	{
		string const arg = argument;
		if (arg.empty()) {
			setErrorMessage(N_("Missing argument"));
			break;
		}
		owner->prohibitInput();
		string const fname = i18nLibFileSearch("doc", arg, "lyx");
		if (fname.empty()) {
			lyxerr << "LyX: unable to find documentation file `"
			       << arg << "'. Bad installation?" << endl;
			owner->allowInput();
			break;
		}
		ostringstream str;
		str << _("Opening help file") << ' '
		    << MakeDisplayPath(fname) << "...";
		owner->message(str.str().c_str());
		owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
		owner->allowInput();
		break;
        }

	case LFUN_HELP_VERSION:
	
		// --- version control -------------------------------
	case LFUN_VC_REGISTER:
	{
		if (!owner->buffer()->lyxvc.inUse())
			owner->buffer()->lyxvc.registrer();
	}
	break;
		
	case LFUN_VC_CHECKIN:
	{
		if (owner->buffer()->lyxvc.inUse()
		    && !owner->buffer()->isReadonly())
			owner->buffer()->lyxvc.checkIn();
	}
	break;
		
	case LFUN_VC_CHECKOUT:
	{
		if (owner->buffer()->lyxvc.inUse()
		    && owner->buffer()->isReadonly())
			owner->buffer()->lyxvc.checkOut();
	}
	break;
	
	case LFUN_VC_REVERT:
	{
		owner->buffer()->lyxvc.revert();
	}
	break;
		
	case LFUN_VC_UNDO:
	{
		owner->buffer()->lyxvc.undoLast();
	}
	break;
		
	case LFUN_VC_HISTORY:
	{
		owner->getDialogs()->showVCLogFile();
		break;
	}
	
	// --- buffers ----------------------------------------

        case LFUN_SWITCHBUFFER:
                owner->view()->buffer(bufferlist.getBuffer(argument));
		break;

	case LFUN_FILE_NEW:
	{
		// servercmd: argument must be <file>:<template>
		Buffer * tmpbuf = NewLyxFile(argument);
		if (tmpbuf)
			owner->view()->buffer(tmpbuf);
	}
	break;
			
	case LFUN_FILE_OPEN:
		open(argument);
		break;

	case LFUN_LATEX_LOG:
		owner->getDialogs()->showLogFile();
		break;
		
	case LFUN_LAYOUTNO:
	{
		lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (arg) " << argument << endl;
		int sel = strToInt(argument);
		lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
		
		// Should this give a setMessage instead?
		if (sel == 0) 
			return string(); // illegal argument

		--sel; // sel 1..., but layout 0...

		// Pretend we got the name instead.
		dispatch(int(LFUN_LAYOUT), 
			 textclasslist.NameOfLayout(owner->view()
						    ->buffer()->params.textclass,
						    sel));
		return string();
	}
		
	case LFUN_LAYOUT_DOCUMENT:
		owner->getDialogs()->showDocument();
		break;
		
	case LFUN_LAYOUT_PARAGRAPH:
		owner->getDialogs()->showParagraph();
		break;
		
	case LFUN_LAYOUT_CHARACTER:
		owner->getDialogs()->showCharacter();
		break;

	case LFUN_LAYOUT_TABULAR:
	    if (owner->view()->theLockingInset()) {
		if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
		    InsetTabular * inset = static_cast<InsetTabular *>
			(owner->view()->theLockingInset());
		    inset->openLayoutDialog(owner->view());
		} else if (owner->view()->theLockingInset()->
			   getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
		    InsetTabular * inset = static_cast<InsetTabular *>(
			owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
		    inset->openLayoutDialog(owner->view());
		}
	    }
	    break;

	case LFUN_LAYOUT_PREAMBLE:
		owner->getDialogs()->showPreamble();
		break;
		
	case LFUN_LAYOUT_SAVE_DEFAULT:
		MenuLayoutSave(owner->view());
		break;
		
	case LFUN_DROP_LAYOUTS_CHOICE:
		owner->getToolbar()->openLayoutList();
		break;

	case LFUN_MENU_OPEN_BY_NAME:
		owner->getMenubar()->openByName(argument);
		break; // RVDK_PATCH_5
		
	case LFUN_SPELLCHECK:
		if (lyxrc.isp_command != "none")
			owner->getDialogs()->showSpellchecker();
		break;
		
	// --- lyxserver commands ----------------------------


	case LFUN_GETNAME:
		setMessage(owner->buffer()->fileName());
		lyxerr[Debug::INFO] << "FNAME["
			       << owner->buffer()->fileName()
			       << "] " << endl;
		break;
		
	case LFUN_NOTIFY:
	{
		string buf;
		keyseq.print(buf);
		dispatch_buffer = buf;
		lyxserver->notifyClient(dispatch_buffer);
	}
	break;

	case LFUN_GOTOFILEROW:
	{
#if 0
	        char file_name[100];
		int row;
		::sscanf(argument.c_str(), " %s %d", file_name, &row);
#else
		string file_name;
		int row;
		istringstream istr(argument.c_str());
		istr >> file_name >> row;
#endif
		// Must replace extension of the file to be .lyx and get full path
		string const s(ChangeExtension(file_name, ".lyx"));

		// Either change buffer or load the file
		if (bufferlist.exists(s)) {
		        owner->view()->buffer(bufferlist.getBuffer(s));
		} else {
		        owner->view()->buffer(bufferlist.loadLyXFile(s));
		}
		
		// Set the cursor  
		owner->view()->setCursorFromRow(row);

		// Recenter screen
		owner->view()->center();
	}
	break;

	case LFUN_GOTO_PARAGRAPH:
	{
                istringstream istr(argument.c_str());

		int id;
		istr >> id;
		Paragraph * par = owner->buffer()->getParFromID(id);
		if (par == 0) {
			lyxerr[Debug::INFO] << "No matching paragraph found! ["
					    << id << "]" << std::endl;
			break;
		}

		// Set the cursor
		TEXT()->setCursor(owner->view(), par, 0);
		owner->view()->setState();
		owner->showState();

		// Recenter screen
		owner->view()->center();
	}
	break;

	case LFUN_APROPOS:
	case LFUN_GETTIP:
	{
		int const qa = lyxaction.LookupFunc(argument);
		setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
	}
	break;

	// --- toolbar ----------------------------------
	case LFUN_PUSH_TOOLBAR:
	{
		int nth = strToInt(argument);
		if (nth <= 0) {
			setErrorMessage(N_("Push-toolbar needs argument > 0"));
		} else {
			owner->getToolbar()->push(nth);
		}
	}
	break;
	
	case LFUN_ADD_TO_TOOLBAR:
	{
		if (lyxerr.debugging(Debug::GUI)) {
			lyxerr << "LFUN_ADD_TO_TOOLBAR:"
				"argument = `" << argument << '\'' << endl;
		}
		string tmp(argument);
		//lyxerr <<string("Argument: ") + argument);
		//lyxerr <<string("Tmp     : ") + tmp);
		if (tmp.empty()) {
			setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
		} else {
			owner->getToolbar()->add(argument, false);
			owner->getToolbar()->set();
		}
	}
	break;
	
	// --- insert characters ----------------------------------------

	// ---  Mathed stuff. If we are here, there is no locked inset yet.
	
	// Greek mode     
	case LFUN_GREEK:
	{
		if (!greek_kb_flag) {
			greek_kb_flag = 1;
			setMessage(N_("Math greek mode on"));
		} else
			greek_kb_flag = 0;
	}  
	break;
      
	// Greek keyboard      
	case LFUN_GREEK_TOGGLE:
	{
		greek_kb_flag = greek_kb_flag ? 0 : 2;
		if (greek_kb_flag) {
			setMessage(N_("Math greek keyboard on"));
		} else {
			setMessage(N_("Math greek keyboard off"));
		}
	}
	break;
	
	case LFUN_MATH_EXTERN:
	case LFUN_MATH_NUMBER:
	case LFUN_MATH_NONUMBER:
	case LFUN_MATH_LIMITS:
	{
		setErrorMessage(N_("This is only allowed in math mode!"));
	}
	break;

	case LFUN_MATH_PANEL:
		owner->getDialogs()->showMathPanel();
		break;
	
	case LFUN_CITATION_CREATE:
	{
		InsetCommandParams p( "cite" );
		
		if (!argument.empty()) {
			// This should be set at source, ie when typing
			// "citation-insert foo" in the minibuffer.
			// Question: would pybibliographer also need to be
			// changed. Suspect so. Leave as-is therefore.
			if (contains(argument, "|")) {
				p.setContents( token(argument, '|', 0) );
				p.setOptions(  token(argument, '|', 1) );
			} else {
				p.setContents( argument );
			}
			dispatch(LFUN_CITATION_INSERT, p.getAsString());
		} else
			owner->getDialogs()->createCitation( p.getAsString() );
	}
	break;
		    
	case LFUN_CHILDOPEN:
	{
		string const filename =
			MakeAbsPath(argument, 
				    OnlyPath(owner->buffer()->fileName()));
		setMessage(N_("Opening child document ") +
			   MakeDisplayPath(filename) + "...");
		owner->view()->savePosition(0);
		if (bufferlist.exists(filename))
			owner->view()->buffer(bufferlist.getBuffer(filename));
		else
			owner->view()->buffer(bufferlist.loadLyXFile(filename));
	}
	break;

	case LFUN_TOGGLECURSORFOLLOW:
		lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
		break;
		
	case LFUN_KMAP_OFF:		// keymap off
		owner->getIntl()->KeyMapOn(false);
		break;
		
	case LFUN_KMAP_PRIM:	// primary keymap
		owner->getIntl()->KeyMapPrim();
		break;
		
	case LFUN_KMAP_SEC:		// secondary keymap
		owner->getIntl()->KeyMapSec();
		break;
		
	case LFUN_KMAP_TOGGLE:	// toggle keymap
		owner->getIntl()->ToggleKeyMap();
		break;

	case LFUN_SEQUENCE: 
	{
		// argument contains ';'-terminated commands
		while (argument.find(';') != string::npos) {
			string first;
			argument = split(argument, first, ';');
			dispatch(first);
		}
	}
	break;

	case LFUN_DIALOG_PREFERENCES:
		owner->getDialogs()->showPreferences();
		break;
		
	case LFUN_SAVEPREFERENCES:
	{
		Path p(user_lyxdir);
		lyxrc.write("preferences");
	}
	break;

	case LFUN_SCREEN_FONT_UPDATE:
	{
		// handle the screen font changes.
		// 
		lyxrc.set_font_norm_type();
		fontloader.update();
		// Of course we should only do the resize and the textcache.clear
		// if values really changed...but not very important right now. (Lgb)
		// All visible buffers will need resize
		owner->resize();
		// We also need to empty the textcache so that
		// the buffer will be formatted correctly after
		// a zoom change.
		textcache.clear();
	}
	break;

	case LFUN_SET_COLOR:
	{
		string lyx_name;
		string const x11_name = split(argument, lyx_name, ' ');
		if (lyx_name.empty() || x11_name.empty()) {
			setErrorMessage(N_("Syntax: set-color <lyx_name>"
						" <x11_name>"));
			break;
			}

		if (!lcolor.setColor(lyx_name, x11_name)) {
			static string const err1 (N_("Set-color \""));
			static string const err2 (
				N_("\" failed - color is undefined "
				   "or may not be redefined"));
			setErrorMessage(_(err1) + lyx_name + _(err2));
			break;
		}
		lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
		owner->view()->redraw();
		break;
	}

	case LFUN_MESSAGE:
		owner->message(argument);
		break;

	case LFUN_MESSAGE_PUSH:
		owner->messagePush(argument);
		break;

	case LFUN_MESSAGE_POP:
		owner->messagePop();
		break;

	default:
		// Then if it was none of the above
		if (!owner->view()->Dispatch(action, argument))
			lyxerr << "A truly unknown func ["
			       << lyxaction.getActionName(action) << "]!"
			       << endl;
		break;
	} // end of switch

exit_with_message:

	commandshortcut.erase();
	
	if (lyxrc.display_shortcuts && show_sc) {
		if (action != LFUN_SELFINSERT) {
			// Put name of command and list of shortcuts
			// for it in minibuffer
			string comname = lyxaction.getActionName(action);

			int pseudoaction = action;
			bool argsadded = false;

			if (!argument.empty()) {
				// If we have the command with argument, 
				// this is better
				pseudoaction = 
					lyxaction.searchActionArg(action,
							  	  argument);

				if (pseudoaction == -1) {
					pseudoaction = action;
				} else {
					comname += " " + argument;
					argsadded = true;
				}
			}

			string const shortcuts =
				toplevel_keymap->findbinding(pseudoaction);

			if (!shortcuts.empty()) {
				comname += ": " + shortcuts;
			} else if (!argsadded) {
				comname += " " + argument;
			}

			if (!comname.empty()) {
				comname = strip(comname);
				commandshortcut = "(" + comname + ')';

				// Here we could even add a small pause,
				// to annoy the user and make him learn
				// the shortcuts.
				// No! That will just annoy, not teach
				// anything. The user will read the messages
				// if they are interested. (Asger)
			}
		}
        }

	string const res = getMessage();

	if (res.empty()) {
		if (!commandshortcut.empty()) {
			owner->getMiniBuffer()->addSet(commandshortcut);
		}
	} else {
		string const msg(_(res) + ' ' + commandshortcut);
		owner->message(msg);
	}

	return res;
}


void LyXFunc::setupLocalKeymap()
{
	keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
	cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
}


void LyXFunc::menuNew(bool fromTemplate)
{
	string initpath = lyxrc.document_path;

	if (owner->view()->available()) {
		string const trypath = owner->buffer()->filepath;
		// If directory is writeable, use this as default.
		if (IsDirWriteable(trypath) == 1)
			initpath = trypath;
	}

	static int newfile_number;
	string s;
	
	if (lyxrc.new_ask_filename) {
		FileDialog fileDlg(owner, _("Enter filename for new document"),
				   LFUN_SELECT_FILE_SYNC,
			make_pair(string(_("Documents")),
				  string(lyxrc.document_path)),
			make_pair(string(_("Templates")),
				  string(lyxrc.template_path)));

		FileDialog::Result result =
			fileDlg.Select(initpath,
				       _("*.lyx|LyX Documents (*.lyx)"),
				       _("newfile"));
	
		if (result.second.empty()) {
			owner->message(_("Canceled."));
			lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
			return;
		}
	
		// get absolute path of file and make sure the filename ends
		// with .lyx
		s = MakeAbsPath(result.second);
		if (!IsLyXFilename(s))
			s += ".lyx";

		// Check if the document already is open
		if (bufferlist.exists(s)) {
			switch (AskConfirmation(_("Document is already open:"),
						MakeDisplayPath(s, 50),
						_("Do you want to close that document now?\n"
						  "('No' will just switch to the open version)")))
			{
			case 1: // Yes: close the document
				if (!bufferlist.close(bufferlist.getBuffer(s)))
				// If close is canceled, we cancel here too.
					return;
				break;
			case 2: // No: switch to the open document
				owner->view()->buffer(bufferlist.getBuffer(s));
				return;
			case 3: // Cancel: Do nothing
				owner->message(_("Canceled."));
				return;
			}
		}
		// Check whether the file already exists
		FileInfo fi(s);
		if (fi.readable() &&
		    AskQuestion(_("File already exists:"), 
				MakeDisplayPath(s, 50),
				_("Do you want to open the document?"))) {
				// loads document
			string const disp_fn(MakeDisplayPath(s));
			
			ostringstream str;
			str << _("Opening  document") << ' '
			    << disp_fn << "...";
			
			owner->message(str.str().c_str());
			//XFlush(fl_get_display());
			owner->view()->buffer(bufferlist.loadLyXFile(s));
			ostringstream str2;
			str2 << _("Document") << ' '
			     << disp_fn << ' ' << _("opened.");
			
			owner->message(str2.str().c_str());
			
			return;
		}
	} else {
		s = AddName(lyxrc.document_path,
			    "newfile" + tostr(++newfile_number) + ".lyx");
		FileInfo fi(s);
		while (bufferlist.exists(s) || fi.readable()) {
			++newfile_number;
			s = AddName(lyxrc.document_path,
				    "newfile" +	tostr(newfile_number) +
				    ".lyx");
			fi.newFile(s);
		}
	}

	// The template stuff
	string templname;
	if (fromTemplate) {
		FileDialog fileDlg(owner, _("Select template file"),
			LFUN_SELECT_FILE_SYNC,
			make_pair(string(_("Documents")),
				  string(lyxrc.document_path)),
			make_pair(string(_("Templates")),
				  string(lyxrc.template_path)));

		FileDialog::Result result =
			fileDlg.Select(lyxrc.template_path,
				       _("*.lyx|LyX Documents (*.lyx)"));
	
		if (result.first == FileDialog::Later)
			return;

		string const fname = result.second;

		if (fname.empty()) 
			return;
                templname = fname;
	}
  
	// find a free buffer
	lyxerr[Debug::INFO] << "Find a free buffer." << endl;
	owner->view()->buffer(bufferlist.newFile(s, templname));
}


void LyXFunc::open(string const & fname)
{
	string initpath = lyxrc.document_path;
  
	if (owner->view()->available()) {
		string const trypath = owner->buffer()->filepath;
		// If directory is writeable, use this as default.
		if (IsDirWriteable(trypath) == 1)
			initpath = trypath;
	}

	string filename;
 
	if (fname.empty()) {
		FileDialog fileDlg(owner, _("Select document to open"),
			LFUN_FILE_OPEN,
			make_pair(string(_("Documents")),
				  string(lyxrc.document_path)),
			make_pair(string(_("Examples")),
				  string(AddPath(system_lyxdir, "examples"))));

		FileDialog::Result result =
			fileDlg.Select(initpath,
				       "*.lyx|LyX Documents (*.lyx)");
	
		if (result.first == FileDialog::Later)
			return;

		filename = result.second;
 
		// check selected filename
		if (filename.empty()) {
			owner->message(_("Canceled."));
			return;
		}
	} else
		filename = fname;

	// get absolute path of file and add ".lyx" to the filename if
	// necessary
	filename = FileSearch(string(), filename, "lyx");

	// loads document
	string const disp_fn(MakeDisplayPath(filename));

	ostringstream str;
	str << _("Opening document") << ' ' << disp_fn << "...";
	
	owner->message(str.str().c_str());

	Buffer * openbuf = bufferlist.loadLyXFile(filename);
	if (openbuf) {
		owner->view()->buffer(openbuf);
		ostringstream str;
		str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
		owner->message(str.str().c_str());
	} else {
		ostringstream str;
		str << _("Could not open docuent") << ' ' << disp_fn;
		owner->message(str.str().c_str());
	}
}


// checks for running without gui are missing.
void LyXFunc::doImport(string const & argument)
{
	string format;
	string filename = split(argument, format, ' ');
	lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format 
			    << " file: " << filename << endl;

	if (filename.empty()) { // need user interaction
		string initpath = lyxrc.document_path;
		
		if (owner->view()->available()) {
			string const trypath = owner->buffer()->filepath;
			// If directory is writeable, use this as default.
			if (IsDirWriteable(trypath) == 1)
				initpath = trypath;
		}

		string const text = _("Select ") + formats.PrettyName(format)
			+ _(" file to import");

		FileDialog fileDlg(owner, text, 
			LFUN_IMPORT,
			make_pair(string(_("Documents")),
				  string(lyxrc.document_path)),
			make_pair(string(_("Examples")),
				  string(AddPath(system_lyxdir, "examples"))));
			
		string const extension = "*." + formats.Extension(format)
			+ "| " + formats.PrettyName(format)
			+ " (*." + formats.Extension(format) + ")";

		FileDialog::Result result = fileDlg.Select(initpath,
							   extension);

		if (result.first == FileDialog::Later)
			return;

		filename = result.second;
 
		// check selected filename
		if (filename.empty())
			owner->message(_("Canceled."));
	}

	// still no filename? abort
	if (filename.empty()) 
		return;

	// get absolute path of file
	filename = MakeAbsPath(filename);

	string const lyxfile = ChangeExtension(filename, ".lyx");

	// Check if the document already is open
	if (bufferlist.exists(lyxfile)) {
		switch (AskConfirmation(_("Document is already open:"), 
					MakeDisplayPath(lyxfile, 50),
					_("Do you want to close that document now?\n"
					  "('No' will just switch to the open version)")))
			{
			case 1: // Yes: close the document
				if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
				// If close is canceled, we cancel here too.
					return;
				break;
			case 2: // No: switch to the open document
				owner->view()->buffer(bufferlist.getBuffer(lyxfile));
				return;
			case 3: // Cancel: Do nothing
				owner->message(_("Canceled."));
				return;
			}
	}

	// Check if a LyX document by the same root exists in filesystem
	FileInfo const f(lyxfile, true);
	if (f.exist() && !AskQuestion(_("A document by the name"), 
				      MakeDisplayPath(lyxfile),
				      _("already exists. Overwrite?"))) {
		owner->message(_("Canceled"));
		return;
	}
	// filename should be valid now
	
	Importer::Import(owner, filename, format);
}


void LyXFunc::reloadBuffer()
{
	string const fn = owner->buffer()->fileName();
	if (bufferlist.close(owner->buffer()))
		owner->view()->buffer(bufferlist.loadLyXFile(fn));
}


void LyXFunc::closeBuffer()
{
	if (bufferlist.close(owner->buffer()) && !quitting) {
		if (bufferlist.empty()) {
			// need this otherwise SEGV may occur while trying to
			// set variables that don't exist
			// since there's no current buffer
			owner->getDialogs()->hideBufferDependent();
		} else {
			owner->view()->buffer(bufferlist.first());
		}
	}
}


// Each "owner" should have it's own message method. lyxview and
// the minibuffer would use the minibuffer, but lyxserver would
// send an ERROR signal to its client.  Alejandro 970603
// This func is bit problematic when it comes to NLS, to make the
// lyx servers client be language indepenent we must not translate
// strings sent to this func.
void LyXFunc::setErrorMessage(string const & m) const
{
	dispatch_buffer = m;
	errorstat = true;
}


void LyXFunc::setMessage(string const & m)
{
	dispatch_buffer = m;
}


void LyXFunc::initMiniBuffer() 
{
	string text = _("Welcome to LyX!");
	
	// When meta-fake key is pressed, show the key sequence so far + "M-".
	if (wasMetaKey()) {
		keyseqStr();
		text += "M-";
	}

	// Else, when a non-complete key sequence is pressed,
	// show the available options.
	else if (keyseqUncomplete()) 
		text = keyseqOptions();
   
	// Else, show the buffer state.
	else if (owner->view()->available()) {
		Buffer * tmpbuf = owner->buffer();
		
		string const nicename = 
			MakeDisplayPath(tmpbuf->fileName());
		// Should we do this instead? (kindo like emacs)
		// leaves more room for other information
		text = "LyX: ";
		text += nicename;
		if (tmpbuf->lyxvc.inUse()) {
			text += " [";
			text += tmpbuf->lyxvc.version();
			text += ' ';
			text += tmpbuf->lyxvc.locker();
			if (tmpbuf->isReadonly())
				text += " (RO)";
			text += ']';
		} else if (tmpbuf->isReadonly())
			text += " [RO]";
		if (!tmpbuf->isLyxClean())
			text += _(" (Changed)");
	} else {
		if (text != _("Welcome to LyX!")) // this is a hack
			text = _("* No document open *");
	}
	
	owner->message(text);
}