]> git.lyx.org Git - lyx.git/blobdiff - src/Text3.cpp
Account for old versions of Pygments
[lyx.git] / src / Text3.cpp
index 4c99c15774707dfe432fed950f1eae836d5185d4..71293f80301152055633644007ce08bab5740db3 100644 (file)
@@ -17,7 +17,6 @@
 
 #include "Text.h"
 
-#include "Bidi.h"
 #include "BranchList.h"
 #include "FloatList.h"
 #include "FuncStatus.h"
 #include "SpellChecker.h"
 #include "TextClass.h"
 #include "TextMetrics.h"
+#include "Thesaurus.h"
 #include "WordLangTuple.h"
 
+#include "frontends/alert.h"
 #include "frontends/Application.h"
 #include "frontends/Clipboard.h"
 #include "frontends/Selection.h"
@@ -71,6 +72,7 @@
 #include "support/gettext.h"
 #include "support/lassert.h"
 #include "support/lstrings.h"
+#include "support/lyxalgo.h"
 #include "support/lyxtime.h"
 #include "support/os.h"
 #include "support/regex.h"
@@ -78,8 +80,6 @@
 #include "mathed/InsetMathHull.h"
 #include "mathed/MathMacroTemplate.h"
 
-#include <boost/next_prior.hpp>
-
 #include <clocale>
 #include <sstream>
 
@@ -90,13 +90,16 @@ namespace lyx {
 
 using cap::copySelection;
 using cap::cutSelection;
+using cap::cutSelectionToTemp;
 using cap::pasteFromStack;
+using cap::pasteFromTemp;
 using cap::pasteClipboardText;
 using cap::pasteClipboardGraphics;
 using cap::replaceSelection;
 using cap::grabAndEraseSelection;
 using cap::selClearOrDel;
 using cap::pasteSimpleText;
+using frontend::Clipboard;
 
 // globals...
 static Font freefont(ignore_font, ignore_language);
@@ -132,7 +135,7 @@ static void finishChange(Cursor & cur, bool selecting)
 }
 
 
-static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
+static void mathDispatch(Cursor & cur, FuncRequest const & cmd)
 {
        cur.recordUndo();
        docstring sel = cur.selectionAsString(false);
@@ -152,45 +155,39 @@ static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
                LATTEST(old_pos == cur.pos());
 #endif
                cur.nextInset()->edit(cur, true);
-               // don't do that also for LFUN_MATH_MODE
-               // unless you want end up with always changing
-               // to mathrm when opening an inlined inset --
-               // I really hate "LyXfunc overloading"...
-               if (display)
-                       cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
-               // Avoid an unnecessary undo step if cmd.argument
-               // is empty
-               if (!cmd.argument().empty())
-                       cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
-                                                cmd.argument()));
+               if (cmd.action() != LFUN_MATH_MODE)
+                       // LFUN_MATH_MODE has a different meaning in math mode
+                       cur.dispatch(cmd);
        } else {
-               // create a macro if we see "\\newcommand"
-               // somewhere, and an ordinary formula
-               // otherwise
-               if (sel.find(from_ascii("\\newcommand")) == string::npos
-                               && sel.find(from_ascii("\\newlyxcommand")) == string::npos
-                               && sel.find(from_ascii("\\def")) == string::npos)
-               {
-                       InsetMathHull * formula = new InsetMathHull(cur.buffer());
-                       string const selstr = to_utf8(sel);
-                       istringstream is(selstr);
-                       Lexer lex;
+               InsetMathHull * formula = new InsetMathHull(cur.buffer());
+               string const selstr = to_utf8(sel);
+               istringstream is(selstr);
+               Lexer lex;
+               lex.setStream(is);
+               if (!formula->readQuiet(lex)) {
+                       // No valid formula, let's try with delims
+                       is.str("$" + selstr + "$");
                        lex.setStream(is);
                        if (!formula->readQuiet(lex)) {
-                               // No valid formula, let's try with delims
-                               is.str("$" + selstr + "$");
-                               lex.setStream(is);
-                               if (!formula->readQuiet(lex)) {
-                                       // Still not valid, leave it as is
-                                       valid = false;
-                                       delete formula;
-                                       cur.insert(sel);
-                               } else
-                                       cur.insert(formula);
-                       } else
-                               cur.insert(formula);
-               } else {
-                       cur.insert(new MathMacroTemplate(cur.buffer(), sel));
+                               // Still not valid, leave it as is
+                               valid = false;
+                               delete formula;
+                               cur.insert(sel);
+                       }
+               }
+               if (valid) {
+                       cur.insert(formula);
+                       cur.nextInset()->edit(cur, true);
+                       LASSERT(cur.inMathed(), return);
+                       cur.pos() = 0;
+                       cur.resetAnchor();
+                       cur.selection(true);
+                       cur.pos() = cur.lastpos();
+                       if (cmd.action() != LFUN_MATH_MODE)
+                               // LFUN_MATH_MODE has a different meaning in math mode
+                               cur.dispatch(cmd);
+                       cur.clearSelection();
+                       cur.pos() = cur.lastpos();
                }
        }
        if (valid)
@@ -265,10 +262,46 @@ static bool doInsertInset(Cursor & cur, Text * text,
                }
                return true;
        }
+       else if (cmd.action() == LFUN_ARGUMENT_INSERT) {
+               bool cotextinsert = false;
+               InsetArgument const * const ia = static_cast<InsetArgument const *>(inset);
+               Layout const & lay = cur.paragraph().layout();
+               Layout::LaTeXArgMap args = lay.args();
+               Layout::LaTeXArgMap::const_iterator const lait = args.find(ia->name());
+               if (lait != args.end())
+                       cotextinsert = (*lait).second.insertcotext;
+               else {
+                       InsetLayout const & il = cur.inset().getLayout();
+                       args = il.args();
+                       Layout::LaTeXArgMap::const_iterator const ilait = args.find(ia->name());
+                       if (ilait != args.end())
+                               cotextinsert = (*ilait).second.insertcotext;
+               }
+               // The argument requests to insert a copy of the co-text to the inset
+               if (cotextinsert) {
+                       docstring ds;
+                       // If we have a selection within a paragraph, use this
+                       if (cur.selection() && cur.selBegin().pit() == cur.selEnd().pit())
+                               ds = cur.selectionAsString(false);
+                       // else use the whole paragraph
+                       else
+                               ds = cur.paragraph().asString();
+                       text->insertInset(cur, inset);
+                       if (edit)
+                               inset->edit(cur, true);
+                       // Now put co-text into inset
+                       Font const f(inherit_font, cur.current_font.language());
+                       if (!ds.empty()) {
+                               cur.text()->insertStringAsLines(cur, ds, f);
+                               cur.leaveInset(*inset);
+                       }
+                       return true;
+               }
+       }
 
        bool gotsel = false;
        if (cur.selection()) {
-               cutSelection(cur, false, pastesel);
+               cutSelectionToTemp(cur, false, pastesel);
                cur.clearSelection();
                gotsel = true;
        }
@@ -280,7 +313,7 @@ static bool doInsertInset(Cursor & cur, Text * text,
        if (!gotsel || !pastesel)
                return true;
 
-       pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
+       pasteFromTemp(cur, cur.buffer()->errorList("Paste"));
        cur.buffer()->errors("Paste");
        cur.clearSelection(); // bug 393
        cur.finishUndo();
@@ -340,7 +373,7 @@ static void outline(OutlineOp mode, Cursor & cur)
        ParagraphList & pars = buf.text().paragraphs();
        ParagraphList::iterator const bgn = pars.begin();
        // The first paragraph of the area to be copied:
-       ParagraphList::iterator start = boost::next(bgn, pit);
+       ParagraphList::iterator start = lyx::next(bgn, pit);
        // The final paragraph of area to be copied:
        ParagraphList::iterator finish = start;
        ParagraphList::iterator const end = pars.end();
@@ -381,7 +414,7 @@ static void outline(OutlineOp mode, Cursor & cur)
                        pit_type const newpit = distance(bgn, dest);
                        pit_type const len = distance(start, finish);
                        pit_type const deletepit = pit + len;
-                       buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
+                       buf.undo().recordUndo(cur, newpit, deletepit - 1);
                        pars.splice(dest, start, finish);
                        cur.pit() = newpit;
                        break;
@@ -391,7 +424,7 @@ static void outline(OutlineOp mode, Cursor & cur)
                                // Nothing to move.
                                return;
                        // Go one down from *this* header:
-                       ParagraphList::iterator dest = boost::next(finish, 1);
+                       ParagraphList::iterator dest = next(finish, 1);
                        // Go further down to find header to insert in front of:
                        for (; dest != end; ++dest) {
                                toclevel = buf.text().getTocLevel(distance(bgn, dest));
@@ -401,7 +434,7 @@ static void outline(OutlineOp mode, Cursor & cur)
                        }
                        // One such was found:
                        pit_type newpit = distance(bgn, dest);
-                       buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
+                       buf.undo().recordUndo(cur, pit, newpit - 1);
                        pit_type const len = distance(start, finish);
                        pars.splice(dest, start, finish);
                        cur.pit() = newpit - len;
@@ -410,7 +443,7 @@ static void outline(OutlineOp mode, Cursor & cur)
                case OutlineIn:
                case OutlineOut: {
                        pit_type const len = distance(start, finish);
-                       buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
+                       buf.undo().recordUndo(cur, pit, pit + len - 1);
                        for (; start != finish; ++start) {
                                toclevel = buf.text().getTocLevel(distance(bgn, start));
                                if (toclevel == Layout::NOT_IN_TOC)
@@ -451,6 +484,15 @@ bool Text::isRTL(Paragraph const & par) const
        return par.isRTL(buffer.params());
 }
 
+       
+namespace {
+               
+       Language const * getLanguage(Cursor const & cur, string const & lang) {
+               return lang.empty() ? cur.getFont().language() : languages.getLanguage(lang);
+       }
+
+}
+
 
 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 {
@@ -476,6 +518,8 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        cur.noScreenUpdate();
 
        LBUFERR(this == cur.text());
+       
+       // NOTE: This should NOT be a reference. See commit 94a5481a.
        CursorSlice const oldTopSlice = cur.top();
        bool const oldBoundary = cur.boundary();
        bool const oldSelection = cur.selection();
@@ -494,7 +538,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_PARAGRAPH_MOVE_DOWN: {
                pit_type const pit = cur.pit();
-               recUndo(cur, pit, pit + 1);
+               cur.recordUndo(pit, pit + 1);
                cur.finishUndo();
                pars_.swap(pit, pit + 1);
                needsUpdate = true;
@@ -505,7 +549,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_PARAGRAPH_MOVE_UP: {
                pit_type const pit = cur.pit();
-               recUndo(cur, pit - 1, pit);
+               cur.recordUndo(pit - 1, pit);
                cur.finishUndo();
                pars_.swap(pit, pit - 1);
                --cur.pit();
@@ -524,7 +568,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                // FIXME: this don't work for multipart document!
                for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
                        if (pars_[tmp].params().startOfAppendix()) {
-                               recUndo(cur, tmp);
+                               cur.recordUndo(tmp, tmp);
                                pars_[tmp].params().startOfAppendix(false);
                                break;
                        }
@@ -542,7 +586,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                if (cur.selection())
                        cutSelection(cur, true, false);
                else
-                       deleteWordForward(cur);
+                       deleteWordForward(cur, cmd.getArg(0) == "force");
                finishChange(cur, false);
                break;
 
@@ -550,7 +594,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                if (cur.selection())
                        cutSelection(cur, true, false);
                else
-                       deleteWordBackward(cur);
+                       deleteWordBackward(cur, cmd.getArg(0) == "force");
                finishChange(cur, false);
                break;
 
@@ -603,13 +647,14 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_CHAR_FORWARD:
-       case LFUN_CHAR_FORWARD_SELECT:
+       case LFUN_CHAR_FORWARD_SELECT: {
                //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
                needsUpdate |= cur.selHandle(act == LFUN_CHAR_FORWARD_SELECT);
-               needsUpdate |= cursorForward(cur);
+               bool const cur_moved = cursorForward(cur);
+               needsUpdate |= cur_moved;
 
-               if (!needsUpdate && oldTopSlice == cur.top()
-                               && cur.boundary() == oldBoundary) {
+               if (!cur_moved && oldTopSlice == cur.top()
+                              && cur.boundary() == oldBoundary) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 
@@ -628,15 +673,17 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                }
                break;
+       }
 
        case LFUN_CHAR_BACKWARD:
-       case LFUN_CHAR_BACKWARD_SELECT:
+       case LFUN_CHAR_BACKWARD_SELECT: {
                //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
                needsUpdate |= cur.selHandle(act == LFUN_CHAR_BACKWARD_SELECT);
-               needsUpdate |= cursorBackward(cur);
+               bool const cur_moved = cursorBackward(cur);
+               needsUpdate |= cur_moved;
 
-               if (!needsUpdate && oldTopSlice == cur.top()
-                       && cur.boundary() == oldBoundary) {
+               if (!cur_moved && oldTopSlice == cur.top()
+                              && cur.boundary() == oldBoundary) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 
@@ -655,19 +702,21 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                }
                break;
+       }
 
        case LFUN_CHAR_LEFT:
        case LFUN_CHAR_LEFT_SELECT:
                if (lyxrc.visual_cursor) {
                        needsUpdate |= cur.selHandle(act == LFUN_CHAR_LEFT_SELECT);
-                       needsUpdate |= cursorVisLeft(cur);
-                       if (!needsUpdate && oldTopSlice == cur.top()
-                                       && cur.boundary() == oldBoundary) {
+                       bool const cur_moved = cursorVisLeft(cur);
+                       needsUpdate |= cur_moved;
+                       if (!cur_moved && oldTopSlice == cur.top()
+                                      && cur.boundary() == oldBoundary) {
                                cur.undispatched();
                                cmd = FuncRequest(LFUN_FINISHED_LEFT);
                        }
                } else {
-                       if (reverseDirectionNeeded(cur)) {
+                       if (cur.reverseDirectionNeeded()) {
                                cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
                                        LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
                        } else {
@@ -683,14 +732,15 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_CHAR_RIGHT_SELECT:
                if (lyxrc.visual_cursor) {
                        needsUpdate |= cur.selHandle(cmd.action() == LFUN_CHAR_RIGHT_SELECT);
-                       needsUpdate |= cursorVisRight(cur);
-                       if (!needsUpdate && oldTopSlice == cur.top()
-                                       && cur.boundary() == oldBoundary) {
+                       bool const cur_moved = cursorVisRight(cur);
+                       needsUpdate |= cur_moved;
+                       if (!cur_moved && oldTopSlice == cur.top()
+                                      && cur.boundary() == oldBoundary) {
                                cur.undispatched();
                                cmd = FuncRequest(LFUN_FINISHED_RIGHT);
                        }
                } else {
-                       if (reverseDirectionNeeded(cur)) {
+                       if (cur.reverseDirectionNeeded()) {
                                cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
                                        LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
                        } else {
@@ -761,7 +811,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                ParagraphList & pars = buf.text().paragraphs();
                ParagraphList::iterator bgn = pars.begin();
                // The first paragraph of the area to be selected:
-               ParagraphList::iterator start = boost::next(bgn, pit);
+               ParagraphList::iterator start = lyx::next(bgn, pit);
                // The final paragraph of area to be selected:
                ParagraphList::iterator finish = start;
                ParagraphList::iterator end = pars.end();
@@ -794,14 +844,15 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_WORD_RIGHT_SELECT:
                if (lyxrc.visual_cursor) {
                        needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_RIGHT_SELECT);
-                       needsUpdate |= cursorVisRightOneWord(cur);
-                       if (!needsUpdate && oldTopSlice == cur.top()
-                                       && cur.boundary() == oldBoundary) {
+                       bool const cur_moved = cursorVisRightOneWord(cur);
+                       needsUpdate |= cur_moved;
+                       if (!cur_moved && oldTopSlice == cur.top()
+                                      && cur.boundary() == oldBoundary) {
                                cur.undispatched();
                                cmd = FuncRequest(LFUN_FINISHED_RIGHT);
                        }
                } else {
-                       if (reverseDirectionNeeded(cur)) {
+                       if (cur.reverseDirectionNeeded()) {
                                cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
                                                LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
                        } else {
@@ -814,12 +865,13 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_WORD_FORWARD:
-       case LFUN_WORD_FORWARD_SELECT:
+       case LFUN_WORD_FORWARD_SELECT: {
                needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_FORWARD_SELECT);
-               needsUpdate |= cursorForwardOneWord(cur);
+               bool const cur_moved = cursorForwardOneWord(cur);
+               needsUpdate |= cur_moved;
 
-               if (!needsUpdate && oldTopSlice == cur.top()
-                               && cur.boundary() == oldBoundary) {
+               if (!cur_moved && oldTopSlice == cur.top()
+                              && cur.boundary() == oldBoundary) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 
@@ -838,19 +890,21 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                }
                break;
+       }
 
        case LFUN_WORD_LEFT:
        case LFUN_WORD_LEFT_SELECT:
                if (lyxrc.visual_cursor) {
                        needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_LEFT_SELECT);
-                       needsUpdate |= cursorVisLeftOneWord(cur);
-                       if (!needsUpdate && oldTopSlice == cur.top()
-                                       && cur.boundary() == oldBoundary) {
+                       bool const cur_moved = cursorVisLeftOneWord(cur);
+                       needsUpdate |= cur_moved;
+                       if (!cur_moved && oldTopSlice == cur.top()
+                                      && cur.boundary() == oldBoundary) {
                                cur.undispatched();
                                cmd = FuncRequest(LFUN_FINISHED_LEFT);
                        }
                } else {
-                       if (reverseDirectionNeeded(cur)) {
+                       if (cur.reverseDirectionNeeded()) {
                                cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
                                                LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
                        } else {
@@ -863,12 +917,13 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                break;
 
        case LFUN_WORD_BACKWARD:
-       case LFUN_WORD_BACKWARD_SELECT:
+       case LFUN_WORD_BACKWARD_SELECT: {
                needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_BACKWARD_SELECT);
-               needsUpdate |= cursorBackwardOneWord(cur);
+               bool const cur_moved = cursorBackwardOneWord(cur);
+               needsUpdate |= cur_moved;
 
-               if (!needsUpdate && oldTopSlice == cur.top()
-                               && cur.boundary() == oldBoundary) {
+               if (!cur_moved && oldTopSlice == cur.top()
+                              && cur.boundary() == oldBoundary) {
                        cur.undispatched();
                        cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 
@@ -888,6 +943,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        }
                }
                break;
+       }
 
        case LFUN_WORD_SELECT: {
                selectWord(cur, WHOLE_WORD);
@@ -995,22 +1051,18 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_CHAR_DELETE_FORWARD:
                if (!cur.selection()) {
-                       bool was_separator = cur.paragraph().isEnvSeparator(cur.pos());
                        if (cur.pos() == cur.paragraph().size())
                                // Par boundary, force full-screen update
                                singleParUpdate = false;
-                       needsUpdate |= erase(cur);
-                       cur.resetAnchor();
-                       if (was_separator && cur.pos() == cur.paragraph().size()
-                           && (!cur.paragraph().layout().isEnvironment()
-                               || cur.paragraph().size() > 0)) {
-                               // Force full-screen update
-                               singleParUpdate = false;
-                               needsUpdate |= erase(cur);
+                       else if (cmd.getArg(0) != "force" && cur.confirmDeletion()) {
                                cur.resetAnchor();
+                               cur.selection(true);
+                               cur.posForward();
+                               cur.setSelection();
+                               break;
                        }
-                       // It is possible to make it a lot faster still
-                       // just comment out the line below...
+                       needsUpdate |= erase(cur);
+                       cur.resetAnchor();
                } else {
                        cutSelection(cur, true, false);
                        singleParUpdate = false;
@@ -1022,18 +1074,24 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                if (!cur.selection()) {
                        if (bv->getIntl().getTransManager().backspace()) {
                                bool par_boundary = cur.pos() == 0;
+                               bool first_par = cur.pit() == 0;
                                // Par boundary, full-screen update
                                if (par_boundary)
                                        singleParUpdate = false;
+                               else if (cmd.getArg(0) != "force" && cur.confirmDeletion(true)) {
+                                       cur.resetAnchor();
+                                       cur.selection(true);
+                                       cur.posBackward();
+                                       cur.setSelection();
+                                       break;
+                               }
                                needsUpdate |= backspace(cur);
                                cur.resetAnchor();
-                               if (par_boundary && cur.pos() > 0
+                               if (par_boundary && !first_par && cur.pos() > 0
                                    && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
                                        needsUpdate |= backspace(cur);
                                        cur.resetAnchor();
                                }
-                               // It is possible to make it a lot faster still
-                               // just comment out the line below...
                        }
                } else {
                        cutSelection(cur, true, false);
@@ -1045,36 +1103,47 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                cap::replaceSelection(cur);
                pit_type pit = cur.pit();
                Paragraph const & par = pars_[pit];
-               pit_type prev = pit;
-               if (pit > 0) {
-                       if (!pars_[pit - 1].layout().isEnvironment())
-                               prev = depthHook(pit, par.getDepth());
-                       else if (pars_[pit - 1].getDepth() >= par.getDepth())
-                               prev = pit - 1;
-               }
+               bool lastpar = (pit == pit_type(pars_.size() - 1));
+               Paragraph const & nextpar = lastpar ? par : pars_[pit + 1];
+               pit_type prev = pit > 0 ? depthHook(pit, par.getDepth()) : pit;
                if (prev < pit && cur.pos() == par.beginOfBody()
-                   && !par.isEnvSeparator(cur.pos())
+                   && !par.size() && !par.isEnvSeparator(cur.pos())
                    && !par.layout().isCommand()
                    && pars_[prev].layout() != par.layout()
-                   && pars_[prev].layout().isEnvironment()) {
+                   && pars_[prev].layout().isEnvironment()
+                   && !nextpar.isEnvSeparator(nextpar.beginOfBody())) {
                        if (par.layout().isEnvironment()
                            && pars_[prev].getDepth() == par.getDepth()) {
                                docstring const layout = par.layout().name();
                                DocumentClass const & tc = bv->buffer().params().documentClass();
                                lyx::dispatch(FuncRequest(LFUN_LAYOUT, tc.plainLayout().name()));
-                               lyx::dispatch(FuncRequest(LFUN_SEPARATOR_INSERT, "parbreak"));
+                               lyx::dispatch(FuncRequest(LFUN_SEPARATOR_INSERT, "plain"));
                                lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_BREAK, "inverse"));
                                lyx::dispatch(FuncRequest(LFUN_LAYOUT, layout));
                        } else {
-                               lyx::dispatch(FuncRequest(LFUN_SEPARATOR_INSERT, "parbreak"));
+                               lyx::dispatch(FuncRequest(LFUN_SEPARATOR_INSERT, "plain"));
                                breakParagraph(cur);
                        }
                        Font const f(inherit_font, cur.current_font.language());
                        pars_[cur.pit() - 1].resetFonts(f);
                } else {
+                       if (par.isEnvSeparator(cur.pos()))
+                               cur.posForward();
                        breakParagraph(cur, cmd.argument() == "inverse");
                }
                cur.resetAnchor();
+               // If we have a list and autoinsert item insets,
+               // insert them now.
+               Layout::LaTeXArgMap args = par.layout().args();
+               Layout::LaTeXArgMap::const_iterator lait = args.begin();
+               Layout::LaTeXArgMap::const_iterator const laend = args.end();
+               for (; lait != laend; ++lait) {
+                       Layout::latexarg arg = (*lait).second;
+                       if (arg.autoinsert && prefixIs((*lait).first, "item:")) {
+                               FuncRequest cmd(LFUN_ARGUMENT_INSERT, (*lait).first);
+                               lyx::dispatch(cmd);
+                       }
+               }
                break;
        }
 
@@ -1101,13 +1170,13 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        /*
                        Paragraph & par = pars_[cur.pit()];
                        if (inset->lyxCode() == LABEL_CODE
-                               && !par.layout().counter.empty() {
+                               && !par.layout().counter.empty()) {
                                // Go to the end of the paragraph
                                // Warning: Because of Change-Tracking, the last
                                // position is 'size()' and not 'size()-1':
                                cur.pos() = par.size();
                                // Insert a new paragraph
-                               FuncRequest fr(LFUN_BREAK_PARAGRAPH);
+                               FuncRequest fr(LFUN_PARAGRAPH_BREAK);
                                dispatch(cur, fr);
                        }
                        */
@@ -1174,6 +1243,8 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                string const name = to_utf8(cmd.argument());
                if (name == "hyphenation")
                        specialChar(cur, InsetSpecialChar::HYPHENATION);
+               else if (name == "allowbreak")
+                       specialChar(cur, InsetSpecialChar::ALLOWBREAK);
                else if (name == "ligature-break")
                        specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
                else if (name == "slash")
@@ -1186,6 +1257,14 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
                else if (name == "menu-separator")
                        specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
+               else if (name == "lyx")
+                       specialChar(cur, InsetSpecialChar::PHRASE_LYX);
+               else if (name == "tex")
+                       specialChar(cur, InsetSpecialChar::PHRASE_TEX);
+               else if (name == "latex")
+                       specialChar(cur, InsetSpecialChar::PHRASE_LATEX);
+               else if (name == "latex2e")
+                       specialChar(cur, InsetSpecialChar::PHRASE_LATEX2E);
                else if (name.empty())
                        lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
                else
@@ -1223,15 +1302,15 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        }
 
        case LFUN_WORD_UPCASE:
-               changeCase(cur, text_uppercase);
+               changeCase(cur, text_uppercase, cmd.getArg(0) == "partial");
                break;
 
        case LFUN_WORD_LOWCASE:
-               changeCase(cur, text_lowercase);
+               changeCase(cur, text_lowercase, cmd.getArg(0) == "partial");
                break;
 
        case LFUN_WORD_CAPITALIZE:
-               changeCase(cur, text_capitalization);
+               changeCase(cur, text_capitalization, cmd.getArg(0) == "partial");
                break;
 
        case LFUN_CHARS_TRANSPOSE:
@@ -1279,8 +1358,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        else if (arg == "wmf")
                                type = Clipboard::WmfGraphicsType;
                        else
-                               // We used to assert, but couldn't the argument come from, say, the
-                               // minibuffer and just be mistyped?
+                               // we also check in getStatus()
                                LYXERR0("Unrecognized graphics type: " << arg);
 
                        pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
@@ -1486,26 +1564,44 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                while (pos > 0 && par.isDeleted(pos - 1))
                        --pos;
 
-               BufferParams const & bufparams = bv->buffer().params();
-               bool const hebrew =
-                       par.getFontSettings(bufparams, pos).language()->lang() == "hebrew";
-               bool const allow_inset_quote = !(par.isPassThru() || hebrew);
-
-               string const arg = to_utf8(cmd.argument());
-               if (allow_inset_quote) {
-                       char_type c = ' ';
-                       if (pos > 0 && (!cur.prevInset() || !cur.prevInset()->isSpace()))
+               bool const inner = (cmd.getArg(0) == "single" || cmd.getArg(0) == "inner");
+
+               // Guess quote side.
+               // A space triggers an opening quote. This is passed if the preceding
+               // char/inset is a space or at paragraph start.
+               char_type c = ' ';
+               if (pos > 0 && !par.isSpace(pos - 1)) {
+                       if (cur.prevInset() && cur.prevInset()->lyxCode() == QUOTE_CODE) {
+                               // If an opening double quotation mark precedes, and this
+                               // is a single quote, make it opening as well
+                               InsetQuotes & ins =
+                                       static_cast<InsetQuotes &>(*cur.prevInset());
+                               string const type = ins.getType();
+                               if (!suffixIs(type, "ld") || !inner)
+                                       c = par.getChar(pos - 1);
+                       }
+                       else if (!cur.prevInset()
+                           || (cur.prevInset() && cur.prevInset()->isChar()))
+                               // If a char precedes, pass that and let InsetQuote decide
                                c = par.getChar(pos - 1);
-                       InsetQuotes::QuoteTimes const quote_type = (arg == "single")
-                               ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes;
-                       cur.insert(new InsetQuotes(cur.buffer(), c, quote_type));
-                       cur.posForward();
-               } else {
-                       // The cursor might have been invalidated by the replaceSelection.
-                       cur.buffer()->changed(true);
-                       string const quote_string = (arg == "single") ? "'" : "\"";
-                       lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, quote_string));
+                       else {
+                               while (pos > 0) {
+                                       if (par.getInset(pos - 1)
+                                           && !par.getInset(pos - 1)->isPartOfTextSequence()) {
+                                               // skip "invisible" insets
+                                               --pos;
+                                               continue;
+                                       }
+                                       c = par.getChar(pos - 1);
+                                       break;
+                               }
+                       }
                }
+               InsetQuotesParams::QuoteLevel const quote_level = inner
+                               ? InsetQuotesParams::SecondaryQuotes : InsetQuotesParams::PrimaryQuotes;
+               cur.insert(new InsetQuotes(cur.buffer(), c, quote_level, cmd.getArg(1), cmd.getArg(2)));
+               cur.buffer()->updateBuffer();
+               cur.posForward();
                break;
        }
 
@@ -1541,19 +1637,23 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                bvcur.setMark(false);
                switch (cmd.button()) {
                case mouse_button::button1:
-                       // Set the cursor
-                       if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
+                       if (!bvcur.selection())
+                               // Set the cursor
+                               bvcur.resetAnchor();
+                       if (!bv->mouseSetCursor(cur, cmd.modifier() == ShiftModifier))
                                cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
                        if (bvcur.wordSelection())
                                selectWord(bvcur, WHOLE_WORD);
                        break;
 
                case mouse_button::button2:
-                       // Middle mouse pasting.
-                       bv->mouseSetCursor(cur);
-                       lyx::dispatch(
-                               FuncRequest(LFUN_COMMAND_ALTERNATIVES,
-                                           "selection-paste ; primary-selection-paste paragraph"));
+                       if (lyxrc.mouse_middlebutton_paste) {
+                               // Middle mouse pasting.
+                               bv->mouseSetCursor(cur);
+                               lyx::dispatch(
+                                       FuncRequest(LFUN_COMMAND_ALTERNATIVES,
+                                                   "selection-paste ; primary-selection-paste paragraph"));
+                       }
                        cur.noScreenUpdate();
                        break;
 
@@ -1566,7 +1666,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                                return;
                        }
                        if (!bv->mouseSetCursor(cur, false))
-                               cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
+                               cur.screenUpdateFlags(Update::FitCursor);
                        break;
                }
 
@@ -1594,6 +1694,9 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
                tm->setCursorFromCoordinates(cur, cmd.x(), y);
                cur.setTargetX(cmd.x());
+               // Don't allow selecting a separator inset
+               if (cur.pos() && cur.paragraph().isEnvSeparator(cur.pos() - 1))
+                       cur.posBackward();
                if (cmd.y() >= wh)
                        lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
                else if (cmd.y() < 0)
@@ -1608,7 +1711,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                // We continue with our existing selection or start a new one, so don't
                // reset the anchor.
                bvcur.setCursor(cur);
-               bvcur.setSelection(true);
+               bvcur.selection(true);
                if (cur.top() == old) {
                        // We didn't move one iota, so no need to update the screen.
                        cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
@@ -1688,13 +1791,9 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        }
 
        case LFUN_HREF_INSERT: {
-               // FIXME If we're actually given an argument, shouldn't
-               // we use it, whether or not we have a selection?
                docstring content = cmd.argument();
-               if (cur.selection()) {
+               if (content.empty() && cur.selection())
                        content = cur.selectionAsString(false);
-                       cutSelection(cur, true, false);
-               }
 
                InsetCommandParams p(HYPERLINK_CODE);
                if (!content.empty()){
@@ -1936,22 +2035,38 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                changeDepth(cur, INC_DEPTH);
                break;
 
-       case LFUN_MATH_DISPLAY:
-               mathDispatch(cur, cmd, true);
-               break;
-
        case LFUN_REGEXP_MODE:
                regexpDispatch(cur, cmd);
                break;
 
-       case LFUN_MATH_MODE:
-               if (cmd.argument() == "on")
+       case LFUN_MATH_MODE: {
+               if (cmd.argument() == "on" || cmd.argument() == "") {
                        // don't pass "on" as argument
                        // (it would appear literally in the first cell)
-                       mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
-               else
-                       mathDispatch(cur, cmd, false);
+                       docstring sel = cur.selectionAsString(false);
+                       MathMacroTemplate * macro = new MathMacroTemplate(cur.buffer());
+                       // create a macro template if we see "\\newcommand" somewhere, and
+                       // an ordinary formula otherwise
+                       if (!sel.empty()
+                               && (sel.find(from_ascii("\\newcommand")) != string::npos
+                                       || sel.find(from_ascii("\\newlyxcommand")) != string::npos
+                                       || sel.find(from_ascii("\\def")) != string::npos)
+                               && macro->fromString(sel)) {
+                               cur.recordUndo();
+                               replaceSelection(cur);
+                               cur.insert(macro);
+                       } else {
+                               // no meaningful macro template was found
+                               delete macro;
+                               mathDispatch(cur,FuncRequest(LFUN_MATH_MODE));
+                       }
+               } else
+                       // The argument is meaningful
+                       // We replace cmd with LFUN_MATH_INSERT because LFUN_MATH_MODE
+                       // has a different meaning in math mode
+                       mathDispatch(cur, FuncRequest(LFUN_MATH_INSERT,cmd.argument()));
                break;
+       }
 
        case LFUN_MATH_MACRO:
                if (cmd.argument().empty())
@@ -1974,32 +2089,21 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                        cur.push(*inset);
                        cur.top().pos() = cur.top().lastpos();
                        cur.resetAnchor();
-                       cur.setSelection(true);
+                       cur.selection(true);
                        cur.top().pos() = 0;
                }
                break;
 
-       // passthrough hat and underscore outside mathed:
+       case LFUN_MATH_DISPLAY:
        case LFUN_MATH_SUBSCRIPT:
-               mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
-               break;
        case LFUN_MATH_SUPERSCRIPT:
-               mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
-               break;
-
        case LFUN_MATH_INSERT:
        case LFUN_MATH_AMS_MATRIX:
        case LFUN_MATH_MATRIX:
        case LFUN_MATH_DELIM:
-       case LFUN_MATH_BIGDELIM: {
-               cur.recordUndo();
-               cap::replaceSelection(cur);
-               cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
-               checkAndActivateInset(cur, true);
-               LASSERT(cur.inMathed(), break);
-               cur.dispatch(cmd);
+       case LFUN_MATH_BIGDELIM:
+               mathDispatch(cur, cmd);
                break;
-       }
 
        case LFUN_FONT_EMPH: {
                Font font(ignore_font, ignore_language);
@@ -2064,6 +2168,13 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                break;
        }
 
+       case LFUN_FONT_CROSSOUT: {
+               Font font(ignore_font, ignore_language);
+               font.fontInfo().setXout(FONT_TOGGLE);
+               toggleAndShow(cur, this, font);
+               break;
+       }
+
        case LFUN_FONT_UNDERUNDERLINE: {
                Font font(ignore_font, ignore_language);
                font.fontInfo().setUuline(FONT_TOGGLE);
@@ -2154,6 +2265,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_FINISHED_BACKWARD:
                LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
+               cur.setCurrentFont();
                break;
 
        case LFUN_FINISHED_FORWARD:
@@ -2188,6 +2300,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_ACCENT_GRAVE:
        case LFUN_ACCENT_ACUTE:
        case LFUN_ACCENT_TILDE:
+       case LFUN_ACCENT_PERISPOMENI:
        case LFUN_ACCENT_CEDILLA:
        case LFUN_ACCENT_MACRON:
        case LFUN_ACCENT_DOT:
@@ -2251,6 +2364,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
        }
 
        case LFUN_THESAURUS_ENTRY: {
+               Language const * language = cur.getFont().language();
                docstring arg = cmd.argument();
                if (arg.empty()) {
                        arg = cur.selectionAsString(false);
@@ -2259,16 +2373,33 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                                // Get word or selection
                                selectWordWhenUnderCursor(cur, WHOLE_WORD);
                                arg = cur.selectionAsString(false);
-                               arg += " lang=" + from_ascii(cur.getFont().language()->lang());
+                               arg += " lang=" + from_ascii(language->lang());
                        }
+               } else {
+                       string lang = cmd.getArg(1);
+                       // This duplicates the code in GuiThesaurus::initialiseParams
+                       if (prefixIs(lang, "lang=")) {
+                               language = languages.getLanguage(lang.substr(5));
+                               if (!language)
+                                       language = cur.getFont().language();
+                       }
+               }
+               string lang = language->code();
+               if (lyxrc.thesaurusdir_path.empty() && !thesaurus.thesaurusInstalled(from_ascii(lang))) {
+                       LYXERR(Debug::ACTION, "Command " << cmd << ". Thesaurus not found for language " << lang);
+                       frontend::Alert::warning(_("Path to thesaurus directory not set!"),
+                                       _("The path to the thesaurus directory has not been specified.\n"
+                                         "The thesaurus is not functional.\n"
+                                         "Please refer to sec. 6.15.1 of the User's Guide for setup\n"
+                                         "instructions."));
                }
                bv->showDialog("thesaurus", to_utf8(arg));
                break;
        }
 
        case LFUN_SPELLING_ADD: {
+               Language const * language = getLanguage(cur, cmd.getArg(1));
                docstring word = from_utf8(cmd.getArg(0));
-               Language * lang;
                if (word.empty()) {
                        word = cur.selectionAsString(false);
                        // FIXME
@@ -2277,17 +2408,15 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                                selectWordWhenUnderCursor(cur, WHOLE_WORD);
                                word = cur.selectionAsString(false);
                        }
-                       lang = const_cast<Language *>(cur.getFont().language());
-               } else
-                       lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
-               WordLangTuple wl(word, lang);
+               }
+               WordLangTuple wl(word, language);
                theSpellChecker()->insert(wl);
                break;
        }
 
        case LFUN_SPELLING_IGNORE: {
+               Language const * language = getLanguage(cur, cmd.getArg(1));
                docstring word = from_utf8(cmd.getArg(0));
-               Language * lang;
                if (word.empty()) {
                        word = cur.selectionAsString(false);
                        // FIXME
@@ -2296,17 +2425,15 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                                selectWordWhenUnderCursor(cur, WHOLE_WORD);
                                word = cur.selectionAsString(false);
                        }
-                       lang = const_cast<Language *>(cur.getFont().language());
-               } else
-                       lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
-               WordLangTuple wl(word, lang);
+               }
+               WordLangTuple wl(word, language);
                theSpellChecker()->accept(wl);
                break;
        }
 
        case LFUN_SPELLING_REMOVE: {
+               Language const * language = getLanguage(cur, cmd.getArg(1));
                docstring word = from_utf8(cmd.getArg(0));
-               Language * lang;
                if (word.empty()) {
                        word = cur.selectionAsString(false);
                        // FIXME
@@ -2315,10 +2442,8 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
                                selectWordWhenUnderCursor(cur, WHOLE_WORD);
                                word = cur.selectionAsString(false);
                        }
-                       lang = const_cast<Language *>(cur.getFont().language());
-               } else
-                       lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
-               WordLangTuple wl(word, lang);
+               }
+               WordLangTuple wl(word, language);
                theSpellChecker()->remove(wl);
                break;
        }
@@ -2347,7 +2472,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_ESCAPE:
                if (cur.selection()) {
-                       cur.setSelection(false);
+                       cur.selection(false);
                } else {
                        cur.undispatched();
                        // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
@@ -2632,7 +2757,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_CAPTION_INSERT: {
                code = CAPTION_CODE;
                string arg = cmd.getArg(0);
-               bool varia = arg != "LongTableNoNumber"
+               bool varia = arg != "Unnumbered"
                        && cur.inset().allowsCaptionVariation(arg);
                // not allowed in description items,
                // and in specific insets
@@ -2716,19 +2841,13 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                        for (; pit <= lastpit; ++pit) {
                                if (pars_[pit].layout() != lay)
                                        break;
-                               InsetList::const_iterator it = pars_[pit].insetList().begin();
-                               InsetList::const_iterator end = pars_[pit].insetList().end();
-                               for (; it != end; ++it) {
-                                       if (it->inset->lyxCode() == ARG_CODE) {
-                                               InsetArgument const * ins =
-                                                       static_cast<InsetArgument const *>(it->inset);
+                               for (auto const & table : pars_[pit].insetList())
+                                       if (InsetArgument const * ins = table.inset->asInsetArgument())
                                                if (ins->name() == arg) {
                                                        // we have this already
                                                        enable = false;
                                                        break;
                                                }
-                                       }
-                               }
                        }
                } else
                        enable = false;
@@ -2772,6 +2891,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_QUOTE_INSERT:
                // always allow this, since we will inset a raw quote
                // if an inset is not allowed.
+               allow_in_passthru = true;
                break;
        case LFUN_SPECIALCHAR_INSERT:
                code = SPECIALCHAR_CODE;
@@ -2887,22 +3007,30 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                        break;
                }
 
-               // explicit graphics type?
                Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
-               if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
-                         || (arg == "png" && (type = Clipboard::PngGraphicsType))
-                         || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
-                         || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
-                         || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
-                         || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
-                       enable = theClipboard().hasGraphicsContents(type);
+               if (arg == "pdf")
+                       type = Clipboard::PdfGraphicsType;
+               else if (arg == "png")
+                       type = Clipboard::PngGraphicsType;
+               else if (arg == "jpeg")
+                       type = Clipboard::JpegGraphicsType;
+               else if (arg == "linkback")
+                       type = Clipboard::LinkBackGraphicsType;
+               else if (arg == "emf")
+                       type = Clipboard::EmfGraphicsType;
+               else if (arg == "wmf")
+                       type = Clipboard::WmfGraphicsType;
+               else {
+                       // unknown argument
+                       LYXERR0("Unrecognized graphics type: " << arg);
+                       // we don't want to assert if the user just mistyped the LFUN
+                       LATTEST(cmd.origin() != FuncRequest::INTERNAL);
+                       enable = false;
                        break;
                }
-
-               // unknown argument
-               enable = false;
+               enable = theClipboard().hasGraphicsContents(type);
                break;
-        }
+       }
 
        case LFUN_CLIPBOARD_PASTE:
        case LFUN_CLIPBOARD_PASTE_SIMPLE:
@@ -2993,18 +3121,30 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
                break;
 
        case LFUN_PARAGRAPH_BREAK:
-               enable = cur.inset().getLayout().isMultiPar();
+               enable = inset().allowMultiPar();
                break;
 
        case LFUN_SPELLING_ADD:
        case LFUN_SPELLING_IGNORE:
        case LFUN_SPELLING_REMOVE:
-               enable = theSpellChecker();
+               enable = theSpellChecker() != NULL;
+               if (enable && !cmd.getArg(1).empty()) {
+                       // validate explicitly given language
+                       Language const * const lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
+                       enable &= lang != NULL;
+               }
                break;
 
-       case LFUN_LAYOUT:
-               enable = !cur.inset().forcePlainLayout();
+       case LFUN_LAYOUT: {
+               DocumentClass const & tclass = cur.buffer()->params().documentClass();
+               docstring layout = cmd.argument();
+               if (layout.empty())
+                       layout = tclass.defaultLayoutName();
+               enable = !owner_->forcePlainLayout() && tclass.hasLayout(layout);
+
+               flag.setOnOff(layout == cur.paragraph().layout().name());
                break;
+       }
 
        case LFUN_ENVIRONMENT_SPLIT: {
                if (cmd.argument() == "outer") {
@@ -3036,10 +3176,13 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_PARAGRAPH_PARAMS:
        case LFUN_PARAGRAPH_PARAMS_APPLY:
        case LFUN_PARAGRAPH_UPDATE:
-               enable = cur.inset().allowParagraphCustomization();
+               enable = owner_->allowParagraphCustomization();
                break;
 
        // FIXME: why are accent lfuns forbidden with pass_thru layouts?
+       //  Because they insert COMBINING DIACRITICAL Unicode characters,
+       //  that cannot be handled by LaTeX but must be converted according
+       //  to the definition in lib/unicodesymbols?
        case LFUN_ACCENT_ACUTE:
        case LFUN_ACCENT_BREVE:
        case LFUN_ACCENT_CARON:
@@ -3053,6 +3196,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_ACCENT_OGONEK:
        case LFUN_ACCENT_TIE:
        case LFUN_ACCENT_TILDE:
+       case LFUN_ACCENT_PERISPOMENI:
        case LFUN_ACCENT_UMLAUT:
        case LFUN_ACCENT_UNDERBAR:
        case LFUN_ACCENT_UNDERDOT:
@@ -3062,6 +3206,7 @@ bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
        case LFUN_FONT_STATE:
        case LFUN_FONT_UNDERLINE:
        case LFUN_FONT_STRIKEOUT:
+       case LFUN_FONT_CROSSOUT:
        case LFUN_FONT_UNDERUNDERLINE:
        case LFUN_FONT_UNDERWAVE:
        case LFUN_TEXTSTYLE_APPLY: