fix mathed crash

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8414 a592a061-630c-0410-9148-cb99ea01b6c8

src/cursor.C

@@ -253,6 +253,8 @@ void LCursor::getDim(int & asc, int & des) const
 {
 	BOOST_ASSERT(!cursor_.empty());
 	if (inMathed()) {
+		BOOST_ASSERT(inset());
+		BOOST_ASSERT(inset()->asMathInset());
 		//inset()->asMathInset()->getCursorDim(asc, des);
 		asc = 10;
 		des = 10;
@@ -269,10 +271,14 @@ void LCursor::getPos(int & x, int & y) const
 	BOOST_ASSERT(!cursor_.empty());
 	x = 0;
 	y = 0;
-	if (cursor_.size() <= 1) {
+	if (cursor_.size() == 1) {
 		x = bv_->text()->cursorX(cursor_.front());
 		y = bv_->text()->cursorY(cursor_.front());
 	} else {
+		if (!inset()) {
+			lyxerr << "#### LCursor::getPos: " << *this << endl;
+			BOOST_ASSERT(inset());
+		}
 		inset()->getCursorPos(cursor_.back(), x, y);
 		// getCursorPos gives _screen_ coordinates. We need to add
 		// top_y to get document coordinates. This is hidden in cached_y_.
@@ -467,14 +473,14 @@ LyXText * LCursor::text() const
 
 Paragraph & LCursor::paragraph()
 {
-	BOOST_ASSERT(!inMathed());
+	BOOST_ASSERT(inTexted());
 	return current_ ? current().paragraph() : *bv_->text()->getPar(par());
 }
 
 
 Paragraph const & LCursor::paragraph() const
 {
-	BOOST_ASSERT(!inMathed());
+	BOOST_ASSERT(inTexted());
 	return current_ ? current().paragraph() : *bv_->text()->getPar(par());
 }
 
@@ -1205,9 +1211,11 @@ int LCursor::targetX() const
 
 MathHullInset * LCursor::formula() const
 {
-	for (int i = cursor_.size() - 1; i >= 1; --i)
-		if (cursor_[i].inset()->lyxCode() == InsetBase::MATH_CODE)
-			return static_cast<MathHullInset *>(cursor_[i].inset());
+	for (int i = cursor_.size() - 1; i >= 1; --i) {
+		MathInset * inset = cursor_[i].inset()->asMathInset();
+		if (inset && inset->asHullInset())
+			return static_cast<MathHullInset *>(inset);
+	}
 	return 0;
 }
 
@@ -1794,6 +1802,12 @@ bool LCursor::inMathed() const
 }
 
 
+bool LCursor::inTexted() const
+{
+	return !formula();
+}
+
+
 InsetBase * LCursor::nextInset()
 {
 	if (pos() == lastpos())

src/cursor.h

@@ -416,6 +416,8 @@ public:
 	void releaseMathCursor();
 	/// are we in mathed?
 	bool inMathed() const;
+	/// are we in texted?
+	bool inTexted() const;
 
 	/// display a message
 	void message(std::string const & msg) const;

src/frontends/LyXView.C

@@ -147,8 +147,11 @@ void LyXView::updateLayoutChoice()
 		current_layout = buffer()->params().getLyXTextClass().defaultLayoutName();
 	}
 
+	if (bufferview_->cursor().inMathed())
+		return;
+
 	string const & layout =
-		bufferview_->getLyXText()->cursorPar()->layout()->name();
+		bufferview_->cursor().paragraph().layout()->name();
 
 	if (layout != current_layout) {
 		toolbar_->setLayout(layout);

src/insets/insettext.C

@@ -307,7 +307,7 @@ void InsetText::edit(LCursor & cur, int x, int y)
 	text_.edit(cur, x, y);
 	//sanitizeEmptyText(cur.bv());
 	//updateLocal(cur);
-	//cur.bv().updateParagraphDialog();
+	//dispatch(cur, FuncRequest(LFUN_PARAGRAPH_UPDATE));
 }
 
 

src/insets/insettext.h

@@ -146,9 +146,9 @@ public:
 	void addPreview(lyx::graphics::PreviewLoader &) const;
 
 	///
-	void edit(LCursor & cur, bool);
+	void edit(LCursor & cur, bool left);
 	///
-	void edit(LCursor & cur, int, int);
+	void edit(LCursor & cur, int x, int y);
 
 	///
 	int numParagraphs() const { return 1; }

src/lyxfunc.C

@@ -261,6 +261,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 {
 	FuncStatus flag;
 	Buffer * buf = owner->buffer();
+	LCursor & cur = view()->cursor();
 
 	if (ev.action == LFUN_NOACTION) {
 		setStatusMessage(N_("Nothing to do"));
@@ -310,9 +311,8 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		}
 	}
 
-	UpdatableInset * tli = view()->cursor().inset()
-		? view()->cursor().inset()->asUpdatableInset() : 0;
-	InsetTabular * tab = view()->cursor().innerInsetTabular();
+	UpdatableInset * tli = cur.inset() ? cur.inset()->asUpdatableInset() : 0;
+	InsetTabular * tab = cur.innerInsetTabular();
 
 	// I would really like to avoid having this switch and rather try to
 	// encode this in the function itself.
@@ -333,7 +333,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		if (tab && tab->hasSelection())
 			disable = false;
 		else
-			disable = !view()->cursor().inMathed() && !view()->cursor().selection();
+			disable = cur.inTexted() && !cur.selection();
 		break;
 
 	case LFUN_RUNCHKTEX:
@@ -345,7 +345,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		break;
 
 	case LFUN_LAYOUT_TABULAR:
-		disable = !view()->cursor().innerInsetTabular();
+		disable = !cur.innerInsetTabular();
 		break;
 
 	case LFUN_DEPTH_MIN:
@@ -357,19 +357,19 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		break;
 
 	case LFUN_LAYOUT:
-	case LFUN_LAYOUT_PARAGRAPH: {
-		InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
-		disable = inset && inset->forceDefaultParagraphs(inset);
+	case LFUN_LAYOUT_PARAGRAPH:
+		disable = cur.inset()
+			&& cur.inset()->forceDefaultParagraphs(cur.inset());
 		break;
-	}
 
 	case LFUN_INSET_OPTARG:
-		disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
+		disable = cur.inMathed()
+			|| cur.paragraph().layout()->optionalargs == 0;
 		break;
 
 	case LFUN_TABULAR_FEATURE:
 #if 0
-		if (view()->cursor().inMathed()) {
+		if (cur.inMathed()) {
 			// FIXME: check temporarily disabled
 			// valign code
 			char align = mathcursor::valign();
@@ -411,7 +411,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		if (tli) {
 			FuncStatus ret;
 			//ret.disabled(true);
-			InsetTabular * tab = view()->cursor().innerInsetTabular();
+			InsetTabular * tab = cur.innerInsetTabular();
 			if (tab) {
 				ret = tab->getStatus(ev.argument);
 				flag |= ret;
@@ -460,9 +460,9 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 
 	case LFUN_INSET_SETTINGS: {
 		disable = true;
-		UpdatableInset * inset = view()->cursor().inset()
-			? view()->cursor().inset()->asUpdatableInset() : 0;
-
+		if (!cur.inset())
+			break;
+		UpdatableInset * inset = cur.inset()->asUpdatableInset();
 		if (!inset)
 			break;
 
@@ -501,7 +501,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 	}
 
 	case LFUN_MATH_MUTATE:
-		if (view()->cursor().inMathed())
+		if (cur.inMathed())
 			//flag.setOnOff(mathcursor::formula()->hullType() == ev.argument);
 			flag.setOnOff(false);
 		else
@@ -515,7 +515,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 	case LFUN_MATH_NONUMBER:
 	case LFUN_MATH_NUMBER:
 	case LFUN_MATH_EXTERN:
-		disable = !view()->cursor().inMathed();
+		disable = cur.inTexted();
 		break;
 
 	case LFUN_DIALOG_SHOW: {
@@ -533,7 +533,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 			disable = !Exporter::IsExportable(*buf, "dvi") ||
 				lyxrc.print_command == "none";
 		} else if (name == "character") {
-			InsetBase * inset = view()->cursor().inset();
+			InsetBase * inset = cur.inset();
 			disable = inset && inset->lyxCode() == InsetOld::ERT_CODE;
 		} else if (name == "vclog") {
 			disable = !buf->lyxvc().inUse();
@@ -674,11 +674,11 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		break;
 	case LFUN_SPACE_INSERT:
 		// slight hack: we know this is allowed in math mode
-		if (!view()->cursor().inMathed())
+		if (cur.inTexted())
 			code = InsetOld::SPACE_CODE;
 		break;
 	case LFUN_INSET_DIALOG_SHOW: {
-		InsetBase * inset = view()->cursor().nextInset();
+		InsetBase * inset = cur.nextInset();
 		disable = !inset;
 		if (inset) {
 			code = inset->lyxCode();
@@ -709,7 +709,8 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 		flag.setOnOff(buf->isReadonly());
 		break;
 	case LFUN_APPENDIX:
-		flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
+		flag.setOnOff(cur.inTexted()
+			&& cur.paragraph().params().startOfAppendix());
 		break;
 	case LFUN_SWITCHBUFFER:
 		// toggle on the current buffer, but do not toggle off
@@ -726,8 +727,8 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 
 #ifdef LOCK
 	// the font related toggles
-	if (!view()->cursor().inMathed()) {
-		LyXFont const & font = view()->getLyXText()->real_current_font;
+	if (cur.inTexted()) {
+		LyXFont const & font = cur.text()->real_current_font;
 		switch (ev.action) {
 		case LFUN_EMPH:
 			flag.setOnOff(font.emph() == LyXFont::ON);

src/mathed/math_gridinset.C

@@ -1046,7 +1046,7 @@ void MathGridInset::splitCell(LCursor & cur)
 DispatchResult
 MathGridInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 {
-	lyxerr << "*** MathGridInset: request: " << cmd << endl;
+	//lyxerr << "*** MathGridInset: request: " << cmd << endl;
 	switch (cmd.action) {
 
 		case LFUN_MOUSE_RELEASE:
@@ -1054,7 +1054,7 @@ MathGridInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 			//	GridInsetMailer(*this).showDialog();
 			//	return DispatchResult(true, true);
 			//}
-			return DispatchResult(false);
+			return MathNestInset::priv_dispatch(cur, cmd);
 
 		case LFUN_INSET_DIALOG_UPDATE:
 			GridInsetMailer(*this).updateDialog(&cur.bv());
@@ -1070,8 +1070,8 @@ MathGridInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 			//}
 			if (nrows() > 1)
 				delRow(cur.row());
-			if (cur.idx() >= nargs())
-				cur.idx() = nargs() - 1;
+			if (cur.idx() > cur.lastidx())
+				cur.idx() = cur.lastidx();
 			if (cur.pos() > cur.lastpos())
 				cur.pos() = cur.lastpos();
 			return DispatchResult(true, FINISHED);

src/mathed/math_hullinset.C

@@ -907,17 +907,6 @@ string MathHullInset::fileInsetLabel() const
 #include "support/lyxlib.h"
 
 
-
-namespace {
-
-// local global
-int first_x;
-int first_y;
-
-} // namespace anon
-
-
-
 int MathHullInset::ylow() const
 {
 	return yo_ - dim_.asc;
@@ -1021,131 +1010,6 @@ void MathHullInset::getCursorDim(int & asc, int & desc) const
 }
 
 
-DispatchResult
-MathHullInset::lfunMouseRelease(LCursor & cur, FuncRequest const & cmd)
-{
-	if (!cur.inMathed())
-		return DispatchResult(false);
-	cur.bv().update();
-	//lyxerr << "lfunMouseRelease: buttons: " << cmd.button() << endl;
-
-	if (cmd.button() == mouse_button::button3) {
-		// try to dispatch to enclosed insets first
-		if (!cur.dispatch(cmd).dispatched()) {
-			// launch math panel for right mouse button
-			lyxerr << "lfunMouseRelease: undispatched: " << cmd.button() << endl;
-			cur.bv().owner()->getDialogs().show("mathpanel");
-		}
-		return DispatchResult(true, true);
-	}
-
-	if (cmd.button() == mouse_button::button2) {
-		MathArray ar;
-		asArray(cur.bv().getClipboard(), ar);
-		cur.selClear();
-		cur.setScreenPos(cmd.x, cmd.y);
-		cur.insert(ar);
-		cur.bv().update();
-		return DispatchResult(true, true);
-	}
-
-	if (cmd.button() == mouse_button::button1) {
-		// try to dispatch to enclosed insets first
-		cur.dispatch(cmd);
-		cur.bv().stuffClipboard(cur.grabSelection());
-		return DispatchResult(true, true);
-	}
-
-	return DispatchResult(false);
-}
-
-
-DispatchResult
-MathHullInset::lfunMousePress(LCursor & cur, FuncRequest const & cmd)
-{
-	//lyxerr << "lfunMousePress: buttons: " << cmd.button() << endl;
-
-	if (!cur.inMathed() || cur.formula() != this) {
-		lyxerr[Debug::MATHED] << "re-create cursor" << endl;
-		cur.releaseMathCursor();
-		cur.idx() = 0;
-		//metrics(bv);
-		cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
-	}
-
-	if (cmd.button() == mouse_button::button3) {
-		cur.dispatch(cmd);
-		return DispatchResult(true, true);
-	}
-
-	if (cmd.button() == mouse_button::button1) {
-		first_x = cmd.x;
-		first_y = cmd.y;
-		cur.selClear();
-		cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
-		cur.dispatch(cmd);
-		return DispatchResult(true, true);
-	}
-
-	cur.bv().update();
-	return DispatchResult(true, true);
-}
-
-
-DispatchResult
-MathHullInset::lfunMouseMotion(LCursor & cur, FuncRequest const & cmd)
-{
-	if (!cur.inMathed())
-		return DispatchResult(true, true);
-
-	if (cur.dispatch(FuncRequest(cmd)).dispatched())
-		return DispatchResult(true, true);
-
-	// only select with button 1
-	if (cmd.button() != mouse_button::button1)
-		return DispatchResult(true, true);
-
-	if (abs(cmd.x - first_x) < 2 && abs(cmd.y - first_y) < 2)
-		return DispatchResult(true, true);
-
-	first_x = cmd.x;
-	first_y = cmd.y;
-
-	if (!cur.selection())
-		cur.selBegin();
-
-	cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
-	cur.bv().update();
-	return DispatchResult(true, true);
-}
-
-
-void MathHullInset::edit(LCursor & cur, bool left)
-{
-	lyxerr << "Called FormulaBase::edit" << endl;
-	cur.push(this);
-	cur.idx() = left ? 0 : cur.lastidx();
-	cur.pos() = left ? 0 : cur.lastpos();
-	cur.resetAnchor();
-}
-
-
-/*
-void MathHullInset::edit(LCursor & cur, int x, int y)
-{
-	lyxerr << "Called MathHullInset::edit with '" << x << ' ' << y << "'" << endl;
-	cur.push(this);
-	//cur.idx() = left ? 0 : cur.lastidx();
-	cur.idx() = 0;
-	cur.pos() = 0;
-	cur.setScreenPos(x + xo_, y + yo_);
-	// if that is removed, we won't get the magenta box when entering an
-	// inset for the first time
-	cur.bv().update();
-}
-*/
-
-
 void MathHullInset::revealCodes(LCursor & cur) const
 {
 	if (!cur.inMathed())

src/mathed/math_hullinset.h

@@ -191,8 +191,6 @@ public:
 	///
 	bool display() const;
 	///
-	void edit(LCursor & cur, bool left);
-	///
 	Code lyxCode() const;
 
 private:
@@ -200,13 +198,6 @@ private:
 	void handleAccent(BufferView & bv, std::string const & arg,
 		std::string const & name);
 
-	/// lfun handler
-	DispatchResult lfunMousePress(LCursor &, FuncRequest const &);
-	///
-	DispatchResult lfunMouseRelease(LCursor &, FuncRequest const &);
-	///
-	DispatchResult lfunMouseMotion(LCursor &, FuncRequest const &);
-
 protected:
 
 	/** Find the PreviewLoader, add a LaTeX snippet to it and

src/mathed/math_nestinset.C

@@ -46,6 +46,17 @@ using std::string;
 using std::istringstream;
 
 
+namespace {
+
+// local global
+int first_x;
+int first_y;
+
+} // namespace anon
+
+
+
+
 MathNestInset::MathNestInset(idx_type nargs)
 	: cells_(nargs), lock_(false)
 {}
@@ -377,9 +388,17 @@ MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 		return dispatch(cur, FuncRequest(LFUN_PASTE, cur.bv().getClipboard())); 
 
 	case LFUN_MOUSE_PRESS:
-		if (cmd.button() == mouse_button::button2)
-			return priv_dispatch(cur, FuncRequest(LFUN_PASTESELECTION));
-		return DispatchResult(false);
+		//lyxerr << "Mouse single press" << endl;
+		return lfunMousePress(cur, cmd);
+	case LFUN_MOUSE_MOTION:
+		//lyxerr << "Mouse motion" << endl;
+		return lfunMouseMotion(cur, cmd);
+	case LFUN_MOUSE_RELEASE:
+		//lyxerr << "Mouse single release" << endl;
+		return lfunMouseRelease(cur, cmd);
+	case LFUN_MOUSE_DOUBLE:
+		//lyxerr << "Mouse double" << endl;
+		return dispatch(cur, FuncRequest(LFUN_WORDSEL));
 
 	case LFUN_RIGHTSEL:
 		cur.selection() = true; // fall through...
@@ -507,18 +526,6 @@ MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 	bool remove_inset = false;
 
 	switch (cmd.action) {
-		case LFUN_MOUSE_PRESS:
-			//lyxerr << "Mouse single press" << endl;
-			return lfunMousePress(cur, cmd);
-		case LFUN_MOUSE_MOTION:
-			//lyxerr << "Mouse motion" << endl;
-			return lfunMouseMotion(cur, cmd);
-		case LFUN_MOUSE_RELEASE:
-			//lyxerr << "Mouse single release" << endl;
-			return lfunMouseRelease(cur, cmd);
-		case LFUN_MOUSE_DOUBLE:
-			//lyxerr << "Mouse double" << endl;
-			return dispatch(cur, FuncRequest(LFUN_WORDSEL));
 		default:
 			break;
 	}
@@ -794,10 +801,20 @@ MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 }
 
 
+void MathNestInset::edit(LCursor & cur, bool left)
+{
+	lyxerr << "XXX Called MathNestInset::edit" << endl;
+	cur.push(this);
+	cur.idx() = left ? 0 : cur.lastidx();
+	cur.pos() = left ? 0 : cur.lastpos();
+	cur.resetAnchor();
+}
+
+
 void MathNestInset::edit(LCursor & cur, int x, int y)
 {
-	lyxerr << "Called MathNestInset::edit with '" << x << ' ' << y << "'" << endl;
-	cur.push(this);
+	lyxerr << "XXX Called MathNestInset::edit with '"	
+		<< x << ' ' << y << "'" << endl;
 	int idx_min = 0;
 	int dist_min = 1000000;
 	for (idx_type i = 0; i < nargs(); ++i) {
@@ -819,3 +836,82 @@ void MathNestInset::edit(LCursor & cur, int x, int y)
 				ar[i].nucleus()->edit(cur, x, y);
 	}
 }
+
+
+DispatchResult
+MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest const & cmd)
+{
+	//lyxerr << "lfunMouseRelease: buttons: " << cmd.button() << endl;
+
+	if (cmd.button() == mouse_button::button1) {
+		// try to dispatch to enclosed insets first
+		//cur.bv().stuffClipboard(cur.grabSelection());
+		return DispatchResult(true, true);
+	}
+
+	if (cmd.button() == mouse_button::button2) {
+		MathArray ar;
+		asArray(cur.bv().getClipboard(), ar);
+		cur.selClear();
+		cur.setScreenPos(cmd.x, cmd.y);
+		cur.insert(ar);
+		cur.bv().update();
+		return DispatchResult(true, true);
+	}
+
+	if (cmd.button() == mouse_button::button3) {
+		// try to dispatch to enclosed insets first
+		cur.bv().owner()->getDialogs().show("mathpanel");
+		return DispatchResult(true, true);
+	}
+
+	return DispatchResult(false);
+}
+
+
+DispatchResult
+MathNestInset::lfunMousePress(LCursor & cur, FuncRequest const & cmd)
+{
+	lyxerr << "lfunMousePress: buttons: " << cmd.button() << endl;
+	if (cmd.button() == mouse_button::button1) {
+		first_x = cmd.x;
+		first_y = cmd.y;
+		cur.selClear();
+		//cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
+		lyxerr << "lfunMousePress: setting cursor to: " << cur << endl;
+		cur.bv().cursor() = cur;
+		return DispatchResult(true, true);
+	}
+
+	if (cmd.button() == mouse_button::button2) {
+		return priv_dispatch(cur, FuncRequest(LFUN_PASTESELECTION));
+	}
+
+	if (cmd.button() == mouse_button::button3) {
+		return DispatchResult(true, true);
+	}
+
+	return DispatchResult(true, true);
+}
+
+
+DispatchResult
+MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest const & cmd)
+{
+	// only select with button 1
+	if (cmd.button() != mouse_button::button1)
+		return DispatchResult(true, true);
+
+	if (abs(cmd.x - first_x) < 2 && abs(cmd.y - first_y) < 2)
+		return DispatchResult(true, true);
+
+	first_x = cmd.x;
+	first_y = cmd.y;
+
+	if (!cur.selection())
+		cur.selBegin();
+
+	cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
+	cur.bv().update();
+	return DispatchResult(true, true);
+}

src/mathed/math_nestinset.h

@@ -41,7 +41,9 @@ public:
 	/// get cursor position
 	void getCursorPos(CursorSlice const & cur, int & x, int & y) const;
 	///
-	void edit(LCursor & cur, int, int);
+	void edit(LCursor & cur, bool left);
+	///
+	void edit(LCursor & cur, int x, int y);
 
 	/// order of movement through the cells when pressing the left key
 	bool idxLeft(LCursor &) const;
@@ -96,6 +98,7 @@ public:
 	void write(WriteStream & os) const;
 	/// writes [, name(), and args in []
 	void normalize(NormalStream & os) const;
+
 protected:
 	///
 	DispatchResult priv_dispatch(LCursor & cur, FuncRequest const & cmd);
@@ -105,6 +108,16 @@ protected:
 	///
 	void handleFont2(LCursor & cur, std::string const & arg);
 
+
+private:
+	/// lfun handler
+	DispatchResult lfunMousePress(LCursor &, FuncRequest const &);
+	///
+	DispatchResult lfunMouseRelease(LCursor &, FuncRequest const &);
+	///
+	DispatchResult lfunMouseMotion(LCursor &, FuncRequest const &);
+
+protected:
 	/// we store the cells in a vector
 	typedef std::vector<MathArray> cells_type;
 	/// thusly: