]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/InsetMathNest.cpp
Generalize control on double blank lines.
[lyx.git] / src / mathed / InsetMathNest.cpp
index 1c6437d9737f907386b87ed5390775e3ad7aa36a..12615e6865f926187f4b97f245bede53db1c2cf0 100644 (file)
@@ -139,7 +139,7 @@ void InsetMathNest::cursorPos(BufferView const & bv,
 // to touch all (math)inset's draw() methods. Right now, we'll store
 // absolute value, and make them here relative, only to make them
 // absolute again when actually drawing the cursor. What a mess.
-       LASSERT(&sl.inset() == this, /**/);
+       LASSERT(&sl.inset() == this, return);
        MathData const & ar = sl.cell();
        CoordCache const & coord_cache = bv.coordCache();
        if (!coord_cache.getArrays().has(&ar)) {
@@ -192,7 +192,7 @@ void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype)
 
 bool InsetMathNest::idxNext(Cursor & cur) const
 {
-       LASSERT(&cur.inset() == this, /**/);
+       LASSERT(&cur.inset() == this, return false);
        if (cur.idx() == cur.lastidx())
                return false;
        ++cur.idx();
@@ -209,7 +209,7 @@ bool InsetMathNest::idxForward(Cursor & cur) const
 
 bool InsetMathNest::idxPrev(Cursor & cur) const
 {
-       LASSERT(&cur.inset() == this, /**/);
+       LASSERT(&cur.inset() == this, return false);
        if (cur.idx() == 0)
                return false;
        --cur.idx();
@@ -226,7 +226,7 @@ bool InsetMathNest::idxBackward(Cursor & cur) const
 
 bool InsetMathNest::idxFirst(Cursor & cur) const
 {
-       LASSERT(&cur.inset() == this, /**/);
+       LASSERT(&cur.inset() == this, return false);
        if (nargs() == 0)
                return false;
        cur.idx() = 0;
@@ -237,7 +237,7 @@ bool InsetMathNest::idxFirst(Cursor & cur) const
 
 bool InsetMathNest::idxLast(Cursor & cur) const
 {
-       LASSERT(&cur.inset() == this, /**/);
+       LASSERT(&cur.inset() == this, return false);
        if (nargs() == 0)
                return false;
        cur.idx() = cur.lastidx();
@@ -371,6 +371,7 @@ MathData InsetMathNest::glue() const
 
 void InsetMathNest::write(WriteStream & os) const
 {
+       MathEnsurer ensurer(os, currentMode() == MATH_MODE);
        ModeSpecifier specifier(os, currentMode(), lockedMode());
        docstring const latex_name = name();
        os << '\\' << latex_name;
@@ -394,19 +395,29 @@ void InsetMathNest::normalize(NormalStream & os) const
 }
 
 
-int InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
+void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
 {
        WriteStream wi(os.os(), runparams.moving_arg, true,
                       runparams.dryrun ? WriteStream::wsDryrun : WriteStream::wsDefault,
                       runparams.encoding);
        wi.canBreakLine(os.canBreakLine());
        write(wi);
+       // Reset parbreak status after a math inset.
+       os.lastChar(0);
        os.canBreakLine(wi.canBreakLine());
-       return wi.line();
+
+       int lf = wi.line();
+       if (lf > 0 && runparams.lastid != -1) {
+               --lf;
+               os.texrow().newline();
+               os.texrow().start(runparams.lastid, runparams.lastpos);
+       }
+       os.texrow().newlines(lf);
 }
 
 
 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
+       const
 {
        mouse_hover_[bv] = mouse_hover;
        return true;
@@ -567,7 +578,7 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                replaceSelection(cur);
                docstring topaste;
                if (cmd.argument().empty() && !theClipboard().isInternal())
-                       topaste = theClipboard().getAsText();
+                       topaste = theClipboard().getAsText(Clipboard::PlainTextType);
                else {
                        size_t n = 0;
                        idocstringstream is(cmd.argument());
@@ -697,6 +708,10 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                        act == LFUN_UP_SELECT;
                cur.selHandle(select);
 
+               // handle autocorrect:
+               cur.autocorrect() = false;
+               cur.message(_("Autocorrect Off ('!' to enter)"));
+
                // go up/down
                bool up = act == LFUN_UP || act == LFUN_UP_SELECT;
                bool successful = cur.upDownInMath(up);
@@ -716,12 +731,14 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_MOUSE_DOUBLE:
        case LFUN_MOUSE_TRIPLE:
        case LFUN_WORD_SELECT:
+       case LFUN_INSET_SELECT_ALL:
                cur.pos() = 0;
                cur.idx() = 0;
                cur.resetAnchor();
                cur.setSelection(true);
-               cur.pos() = cur.lastpos();
                cur.idx() = cur.lastidx();
+               cur.pos() = cur.lastpos();
+               cur.bv().cursor() = cur;
                break;
 
        case LFUN_PARAGRAPH_UP:
@@ -797,7 +814,7 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                if (cur.pos() == 0)
                        // May affect external cell:
                        cur.recordUndoInset();
-               else
+               else if (!cur.inMacroMode())
                        cur.recordUndoSelection();
                // if the inset can not be removed from within, delete it
                if (!cur.backspace()) {
@@ -863,7 +880,7 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                // if relevant. Think typing "\frac<space>".
                if (cmd.argument()[0] == ' '
                    && cur.inMacroMode() && cur.macroName() != "\\"
-                   && cur.macroModeClose()) {
+                   && cur.macroModeClose() && cur.pos() > 0) {
                        MathAtom const atom = cur.prevAtom();
                        if (atom->asNestInset() && atom->isActive()) {
                                cur.posBackward();
@@ -990,7 +1007,6 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                cur.macroModeClose();
                docstring const save_selection = grabAndEraseSelection(cur);
                selClearOrDel(cur);
-               //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
                if (currentMode() <= Inset::TEXT_MODE)
                        cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
                else
@@ -1066,13 +1082,19 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                cur.recordUndo();
                unsigned int m = 1;
                unsigned int n = 1;
-               docstring name;
+               docstring name = from_ascii("matrix");
                idocstringstream is(cmd.argument());
                is >> m >> n >> name;
                if (m < 1)
                        m = 1;
                if (n < 1)
                        n = 1;
+               // check if we have a valid decoration
+               if (name != "pmatrix" && name != "bmatrix"
+                       && name != "Bmatrix" && name != "vmatrix"
+                       && name != "Vmatrix" && name != "matrix")
+                       name = from_ascii("matrix");
+               
                cur.niceInsert(
                        MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
                break;
@@ -1125,10 +1147,34 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                break;
        }
 
-       case LFUN_SPACE_INSERT:
+       case LFUN_SPACE_INSERT: {
                cur.recordUndoSelection();
-               cur.insert(MathAtom(new InsetMathSpace));
+               string const name = cmd.getArg(0);
+               if (name == "normal")
+                       cur.insert(MathAtom(new InsetMathSpace(" ", "")));
+               else if (name == "protected")
+                       cur.insert(MathAtom(new InsetMathSpace("~", "")));
+               else if (name == "thin" || name == "med" || name == "thick")
+                       cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
+               else if (name == "hfill*")
+                       cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
+               else if (name == "quad" || name == "qquad" ||
+                        name == "enspace" || name == "enskip" ||
+                        name == "negthinspace" || name == "negmedspace" ||
+                        name == "negthickspace" || name == "hfill")
+                       cur.insert(MathAtom(new InsetMathSpace(name, "")));
+               else if (name == "hspace" || name == "hspace*") {
+                       string const len = cmd.getArg(1);
+                       if (len.empty() || !isValidLength(len)) {
+                               lyxerr << "LyX function 'space-insert " << name << "' "
+                                         "needs a valid length argument." << endl;
+                               break;
+                       }
+                       cur.insert(MathAtom(new InsetMathSpace(name, len)));
+               } else
+                       cur.insert(MathAtom(new InsetMathSpace));
                break;
+       }
 
        case LFUN_MATH_SPACE:
                cur.recordUndoSelection();
@@ -1335,7 +1381,6 @@ bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
        // we just need to be in math mode to enable that
        case LFUN_MATH_SIZE:
        case LFUN_MATH_SPACE:
-       case LFUN_MATH_LIMITS:
        case LFUN_MATH_EXTERN:
                flag.setEnabled(true);
                break;
@@ -1381,6 +1426,14 @@ bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
                break;
        }
 
+       case LFUN_DIALOG_SHOW_NEW_INSET: {
+               docstring const & name = cmd.argument();
+               if (name == "space")
+                       flag.setEnabled(false);
+               break;
+       }
+
+
        case LFUN_MATH_DELIM:
        case LFUN_MATH_BIGDELIM:
                // Don't do this with multi-cell selections
@@ -1401,10 +1454,28 @@ bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
                flag.setEnabled(false);
                break;
 
+       case LFUN_CAPTION_INSERT:
+               flag.setEnabled(false);
+               break;
+       
+       case LFUN_SPACE_INSERT: {
+               docstring const & name = cmd.argument();
+               if (name == "visible")
+                       flag.setEnabled(false);
+               break;
+       }
+
        case LFUN_INSET_DISSOLVE:
                flag.setEnabled(!asHullInset());
                break;
 
+       case LFUN_PASTE: {
+               docstring const & name = cmd.argument();
+               if (name == "html" || name == "latex")
+                       flag.setEnabled(false);
+               break;
+       }
+
        default:
                ret = false;
                break;
@@ -1456,6 +1527,15 @@ void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
 {
        //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
        BufferView & bv = cur.bv();
+       if (cmd.button() == mouse_button::button3) {
+               // Don't do anything if we right-click a
+               // selection, a context menu will popup.
+               if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
+                     && cur < bv.cursor().selectionEnd()) {
+                       cur.noScreenUpdate();
+                       return;
+               }
+       }
        bool do_selection = cmd.button() == mouse_button::button1
                && cmd.argument() == "region-select";
        bv.mouseSetCursor(cur, do_selection);
@@ -1489,16 +1569,29 @@ void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
 {
        // only select with button 1
-       if (cmd.button() == mouse_button::button1) {
-               Cursor & bvcur = cur.bv().cursor();
-               if (bvcur.realAnchor().hasPart(cur)) {
-                       //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
-                       bvcur.setCursor(cur);
-                       bvcur.setSelection(true);
-                       //lyxerr << "MOTION " << bvcur << endl;
-               } else
-                       cur.undispatched();
+       if (cmd.button() != mouse_button::button1)
+               return;
+
+       Cursor & bvcur = cur.bv().cursor();
+
+       // ignore motions deeper nested than the real anchor
+       if (!bvcur.realAnchor().hasPart(cur)) {
+               cur.undispatched();
+               return;
        }
+
+       CursorSlice old = bvcur.top();
+
+       // We continue with our existing selection or start a new one, so don't
+       // reset the anchor.
+       bvcur.setCursor(cur);
+       // Did we actually move?
+       if (cur.top() == old)
+               // We didn't move one iota, so no need to change selection status
+               // or update the screen.
+               cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
+       else
+               bvcur.setSelection();
 }
 
 
@@ -1572,7 +1665,7 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
                                cur.backspace();
                                cur.niceInsert(MathAtom(new InsetMathComment(buf)));
                        } else if (c == '#') {
-                               LASSERT(cur.activeMacro(), /**/);
+                               LASSERT(cur.activeMacro(), return false);
                                cur.activeMacro()->setName(name + docstring(1, c));
                        } else {
                                cur.backspace();
@@ -1609,6 +1702,13 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
                                        new InsetMathBig(name.substr(1), delim)));
                                return true;
                        }
+               } else if (name == "\\smash" && c == '[') {
+                       // We can't use cur.macroModeClose() because
+                       // it would create an InsetMathPhantom
+                       InsetMathUnknown * p = cur.activeMacro();
+                       p->finalize();
+                       interpretChar(cur, c);
+                       return true;
                }
 
                // leave macro mode and try again if necessary
@@ -1649,8 +1749,12 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
                //lyxerr << "starting with macro" << endl;
                bool reduced = cap::reduceSelectionToOneCell(cur);
                if (reduced || !cur.selection()) {
+                       cur.recordUndoInset();
                        docstring const safe = cap::grabAndEraseSelection(cur);
-                       cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
+                       if (!cur.inRegexped())
+                               cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
+                       else
+                               cur.niceInsert(createInsetMath("backslash", buf));
                }
                return true;
        }
@@ -1669,7 +1773,7 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
                        // but suppress direct insertion of two spaces in a row
                        // the still allows typing  '<space>a<space>' and deleting the 'a', but
                        // it is better than nothing...
-                       if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
+                       if (cur.pos() == 0 || cur.prevAtom()->getChar() != ' ') {
                                cur.insert(c);
                                // FIXME: we have to enable full redraw here because of the
                                // visual box corners that define the inset. If we know for
@@ -1703,7 +1807,29 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
        }
 
        // These should be treated differently when not in text mode:
-       if (currentMode() != InsetMath::TEXT_MODE) {
+       if (cur.inRegexped()) {
+               switch (c) {
+               case '\\':
+                       cur.niceInsert(createInsetMath("backslash", buf));
+                       break;
+               case '^':
+                       cur.niceInsert(createInsetMath("mathcircumflex", buf));
+                       break;
+               case '{':
+               case '}':
+               case '#':
+               case '%':
+               case '_':
+                       cur.niceInsert(createInsetMath(docstring(1, c), buf));
+                       break;
+               case '~':
+                       cur.niceInsert(createInsetMath("sim", buf));
+                       break;
+               default:
+                       cur.insert(c);
+               }
+               return true;
+       } else if (currentMode() != InsetMath::TEXT_MODE) {
                if (c == '_') {
                        script(cur, false, save_selection);
                        return true;
@@ -1982,7 +2108,7 @@ MathCompletionList::MathCompletionList(Cursor const & cur)
        }
        sort(locals.begin(), locals.end());
 
-       if (globals.size() > 0)
+       if (!globals.empty())
                return;
 
        // fill in global macros
@@ -2017,6 +2143,7 @@ MathCompletionList::MathCompletionList(Cursor const & cur)
        globals.push_back(from_ascii("\\root"));
        globals.push_back(from_ascii("\\tabular"));
        globals.push_back(from_ascii("\\stackrel"));
+       globals.push_back(from_ascii("\\stackrelthree"));
        globals.push_back(from_ascii("\\binom"));
        globals.push_back(from_ascii("\\choose"));
        globals.push_back(from_ascii("\\brace"));
@@ -2046,6 +2173,14 @@ MathCompletionList::MathCompletionList(Cursor const & cur)
        globals.push_back(from_ascii("\\hphantom"));
        globals.push_back(from_ascii("\\phantom"));
        globals.push_back(from_ascii("\\vphantom"));
+       globals.push_back(from_ascii("\\cancel"));
+       globals.push_back(from_ascii("\\bcancel"));
+       globals.push_back(from_ascii("\\xcancel"));
+       globals.push_back(from_ascii("\\cancelto"));
+       globals.push_back(from_ascii("\\smash"));
+       globals.push_back(from_ascii("\\mathclap"));
+       globals.push_back(from_ascii("\\mathllap"));
+       globals.push_back(from_ascii("\\mathrlap"));
        MathWordList const & words = mathedWordList();
        MathWordList::const_iterator it2;
        //lyxerr << "Globals completion commands: ";