some de-mathed-ification

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8459 a592a061-630c-0410-9148-cb99ea01b6c8

src/cursor.C

@@ -921,45 +921,6 @@ bool LCursor::inNucleus()
 }
 
 
-bool LCursor::left()
-{
-	autocorrect() = false;
-	clearTargetX();
-	if (inMacroMode()) {
-		macroModeClose();
-		return true;
-	}
-
-	if (pos() != 0 && openable(prevAtom())) {
-		posLeft();
-		push(nextAtom().nucleus());
-		inset()->idxLast(*this);
-		return true;
-	}
-
-	return posLeft() || idxLeft() || popLeft() || selection();
-}
-
-
-bool LCursor::right()
-{
-	autocorrect() = false;
-	clearTargetX();
-	if (inMacroMode()) {
-		macroModeClose();
-		return true;
-	}
-
-	if (pos() != lastpos() && openable(nextAtom())) {
-		pushLeft(nextAtom().nucleus());
-		inset()->idxFirst(*this);
-		return true;
-	}
-
-	return posRight() || idxRight() || popRight() || selection();
-}
-
-
 bool positionable(CursorBase const & cursor, CursorBase const & anchor)
 {
 	// avoid deeper nested insets when selecting
@@ -990,28 +951,6 @@ void LCursor::setScreenPos(int x, int y)
 
 
 
-bool LCursor::home()
-{
-	autocorrect() = false;
-	macroModeClose();
-	if (!inset()->idxHome(*this))
-		return popLeft();
-	clearTargetX();
-	return true;
-}
-
-
-bool LCursor::end()
-{
-	autocorrect() = false;
-	macroModeClose();
-	if (!inset()->idxEnd(*this))
-		return popRight();
-	clearTargetX();
-	return true;
-}
-
-
 void LCursor::plainErase()
 {
 	cell().erase(pos());
@@ -1143,7 +1082,7 @@ bool LCursor::backspace()
 		// let's require two backspaces for 'big stuff' and
 		// highlight on the first
 		selection() = true;
-		left();
+		--pos();
 	} else {
 		--pos();
 		plainErase();
@@ -1182,7 +1121,7 @@ bool LCursor::erase()
 
 	if (pos() != lastpos() && inset()->nargs() > 0) {
 		selection() = true;
-		right();
+		++pos();
 	} else {
 		plainErase();
 	}
@@ -1232,8 +1171,8 @@ void LCursor::macroModeClose()
 	string const name = s.substr(1);
 
 	// prevent entering of recursive macros
-	if (formula()->lyxCode() == InsetOld::MATHMACRO_CODE
-			&& formula()->getInsetName() == name)
+	InsetBase const * macro = innerInsetOfType(InsetBase::MATHMACRO_CODE);
+	if (macro && macro->getInsetName() == name)
 		lyxerr << "can't enter recursive macro" << endl;
 
 	niceInsert(createMathInset(name));
@@ -1544,27 +1483,6 @@ void LCursor::bruteFind2(int x, int y)
 }
 
 
-bool LCursor::idxLineLast()
-{
-	idx() -= idx() % ncols();
-	idx() += ncols() - 1;
-	pos() = lastpos();
-	return true;
-}
-
-
-bool LCursor::idxLeft()
-{
-	return inset()->idxLeft(*this);
-}
-
-
-bool LCursor::idxRight()
-{
-	return inset()->idxRight(*this);
-}
-
-
 bool LCursor::script(bool up)
 {
 	// Hack to get \\^ and \\_ working
@@ -1849,13 +1767,13 @@ void LCursor::handleFont(string const & font)
 
 bool LCursor::inMathed() const
 {
-	return formula();
+	return current_ && inset()->inMathed();
 }
 
 
 bool LCursor::inTexted() const
 {
-	return !formula();
+	return !inMathed();
 }
 
 

src/cursor.h

@@ -190,8 +190,12 @@ public:
 	size_t nrows() const;
 	/// return the grid row of the current cell
 	row_type row() const;
-	/// return the grid row of the current cell
+	/// return the last row of the current grid
+	row_type lastrow() const { return nrows() - 1; }
+	/// return the grid column of the current cell
 	col_type col() const;
+	/// return the last column of the current grid
+	col_type lastcol() const { return ncols() - 1; }
 	/// the inset just behind the cursor
 	InsetBase * nextInset();
 	/// the inset just in front of the cursor
@@ -362,14 +366,6 @@ public:
 	bool erase();
 	/// return false for empty math insets
 	bool backspace();
-	/// called for LFUN_HOME etc
-	bool home();
-	/// called for LFUN_END etc
-	bool end();
-	/// called for LFUN_RIGHT and LFUN_RIGHTSEL
-	bool right();
-	/// called for LFUN_LEFT etc
-	bool left();
 	/// called for LFUN_UP etc
 	bool up();
 	/// called for LFUN_DOWN etc
@@ -451,12 +447,6 @@ public:
 	std::string getPossibleLabel();
 
 private:
-	/// moves cursor index one cell to the left
-	bool idxLeft();
-	/// moves cursor index one cell to the right
-	bool idxRight();
-	/// moves cursor to end of last cell of current line
-	bool idxLineLast();
 	/// moves position somehow up or down
 	bool goUpDown(bool up);
 	/// moves position closest to (x, y) in given box
@@ -470,6 +460,7 @@ private:
 	std::string macroName();
 	/// where in the curent cell does the macro name start?
 	int macroNamePos();
+public:
 	/// can we enter the inset?
 	bool openable(MathAtom const &) const;
 };

src/insets/insetbase.h

@@ -67,6 +67,8 @@ public:
 	virtual MathInset * asMathInset() { return 0; }
 	/// identification as non-math inset
 	virtual UpdatableInset * asUpdatableInset() { return 0; }
+	/// true for 'math' math inset, but not for e.g. mbox 
+	virtual bool inMathed() const { return false; }
 
 	// the real dispatcher
 	void dispatch(LCursor & cur, FuncRequest const & cmd);
@@ -127,11 +129,6 @@ public:
 	/// Target pos when we enter the inset from the right by pressing "Left"
 	virtual bool idxLast(LCursor &) const { return false; }
 
-	/// Where should we go if we press home?
-	virtual bool idxHome(LCursor &) const { return false; }
-	/// Where should we go if we press end?
-	virtual bool idxEnd(LCursor &) const { return false; }
-
 	/// Delete a cell and move cursor
 	virtual bool idxDelete(idx_type &) { return false; }
 	/// pulls cell after pressing erase

src/mathed/math_gridinset.C

@@ -826,46 +826,6 @@ bool MathGridInset::idxLast(LCursor & cur) const
 }
 
 
-bool MathGridInset::idxHome(LCursor & cur) const
-{
-	if (cur.pos() > 0) {
-		cur.pos() = 0;
-		return true;
-	}
-	if (cur.col() > 0) {
-		cur.idx() -= cur.idx() % ncols();
-		cur.pos() = 0;
-		return true;
-	}
-	if (cur.idx() > 0) {
-		cur.idx() = 0;
-		cur.pos() = 0;
-		return true;
-	}
-	return false;
-}
-
-
-bool MathGridInset::idxEnd(LCursor & cur) const
-{
-	if (cur.pos() < cur.lastpos()) {
-		cur.pos() = cur.lastpos();
-		return true;
-	}
-	if (cur.col() < ncols() - 1) {
-		cur.idx() = cur.idx() - cur.idx() % ncols() + ncols() - 1;
-		cur.pos() = cur.lastpos();
-		return true;
-	}
-	if (cur.idx() < nargs() - 1) {
-		cur.idx() = nargs() - 1;
-		cur.pos() = cur.lastpos();
-		return true;
-	}
-	return false;
-}
-
-
 bool MathGridInset::idxDelete(idx_type & idx)
 {
 	// nothing to do if we have just one row
@@ -1047,154 +1007,183 @@ void MathGridInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 	//lyxerr << "*** MathGridInset: request: " << cmd << endl;
 	switch (cmd.action) {
 
-		case LFUN_MOUSE_RELEASE:
-			//if (cmd.button() == mouse_button::button3) {
-			//	GridInsetMailer(*this).showDialog();
-			//	return DispatchResult(true, true);
-			//}
-			MathNestInset::priv_dispatch(cur, cmd);
-			return;
+	case LFUN_MOUSE_RELEASE:
+		//if (cmd.button() == mouse_button::button3) {
+		//	GridInsetMailer(*this).showDialog();
+		//	return DispatchResult(true, true);
+		//}
+		MathNestInset::priv_dispatch(cur, cmd);
+		return;
 
-		case LFUN_INSET_DIALOG_UPDATE:
-			GridInsetMailer(*this).updateDialog(&cur.bv());
-			return;
+	case LFUN_INSET_DIALOG_UPDATE:
+		GridInsetMailer(*this).updateDialog(&cur.bv());
+		return;
 
-		// insert file functions
-		case LFUN_DELETE_LINE_FORWARD:
-			//autocorrect_ = false;
-			//macroModeClose();
-			//if (selection_) {
-			//	selDel();
-			//	return;
-			//}
-			if (nrows() > 1)
+	// insert file functions
+	case LFUN_DELETE_LINE_FORWARD:
+		//autocorrect_ = false;
+		//macroModeClose();
+		//if (selection_) {
+		//	selDel();
+		//	return;
+		//}
+		if (nrows() > 1)
+			delRow(cur.row());
+		if (cur.idx() > cur.lastidx())
+			cur.idx() = cur.lastidx();
+		if (cur.pos() > cur.lastpos())
+			cur.pos() = cur.lastpos();
+		return;
+
+	case LFUN_CELL_SPLIT:
+		////recordUndo(cur, Undo::ATOMIC);
+		splitCell(cur);
+		return;
+
+	case LFUN_BREAKLINE: {
+		////recordUndo(cur, Undo::INSERT);
+		row_type const r = cur.row();
+		addRow(r);
+
+		// split line
+		for (col_type c = col(cur.idx()) + 1; c < ncols(); ++c)
+			swap(cell(index(r, c)), cell(index(r + 1, c)));
+
+		// split cell
+		splitCell(cur);
+		swap(cell(cur.idx()), cell(cur.idx() + ncols() - 1));
+		if (cur.idx() > 0)
+			--cur.idx();
+		cur.idx() = cur.lastpos();
+
+		//mathcursor->normalize();
+		cur.dispatched(FINISHED_LEFT);
+		return;
+	}
+
+	case LFUN_TABULAR_FEATURE: {
+		//lyxerr << "handling tabular-feature " << cmd.argument << endl;
+		istringstream is(cmd.argument);
+		string s;
+		is >> s;
+		if (s == "valign-top")
+			valign('t');
+		else if (s == "valign-middle")
+			valign('c');
+		else if (s == "valign-bottom")
+			valign('b');
+		else if (s == "align-left")
+			halign('l', col(cur.idx()));
+		else if (s == "align-right")
+			halign('r', col(cur.idx()));
+		else if (s == "align-center")
+			halign('c', col(cur.idx()));
+		else if (s == "append-row")
+			for (int i = 0, n = extractInt(is); i < n; ++i)
+				addRow(cur.row());
+		else if (s == "delete-row")
+			for (int i = 0, n = extractInt(is); i < n; ++i) {
 				delRow(cur.row());
-			if (cur.idx() > cur.lastidx())
-				cur.idx() = cur.lastidx();
-			if (cur.pos() > cur.lastpos())
-				cur.pos() = cur.lastpos();
+				if (cur.idx() > nargs())
+					cur.idx() -= ncols();
+			}
+		else if (s == "copy-row")
+			for (int i = 0, n = extractInt(is); i < n; ++i)
+				copyRow(cur.row());
+		else if (s == "swap-row")
+			swapRow(cur.row());
+		else if (s == "append-column")
+			for (int i = 0, n = extractInt(is); i < n; ++i) {
+				row_type r = cur.row();
+				col_type c = col(cur.idx());
+				addCol(c);
+				cur.idx() = index(r, c);
+			}
+		else if (s == "delete-column")
+			for (int i = 0, n = extractInt(is); i < n; ++i) {
+				row_type r = cur.row();
+				col_type c = col(cur.idx());
+				delCol(col(cur.idx()));
+				cur.idx() = index(r, c);
+				if (cur.idx() > nargs())
+					cur.idx() -= ncols();
+			}
+		else if (s == "copy-column")
+			copyCol(col(cur.idx()));
+		else if (s == "swap-column")
+			swapCol(col(cur.idx()));
+		else {
+			cur.notdispatched();
 			return;
+		}
+		lyxerr << "returning FINISHED_LEFT" << endl;
+		return;
+	}
 
-		case LFUN_CELL_SPLIT:
-			////recordUndo(cur, Undo::ATOMIC);
-			splitCell(cur);
-			return;
+	case LFUN_PASTE: {
+		//lyxerr << "pasting '" << cmd.argument << "'" << endl;
+		MathGridInset grid(1, 1);
+		mathed_parse_normal(grid, cmd.argument);
+		if (grid.nargs() == 1) {
+			// single cell/part of cell
+			cur.cell().insert(cur.pos(), grid.cell(0));
+			cur.pos() += grid.cell(0).size();
+		} else {
+			// multiple cells
+			col_type const numcols =
+				min(grid.ncols(), ncols() - col(cur.idx()));
+			row_type const numrows =
+				min(grid.nrows(), nrows() - cur.row());
+			for (row_type r = 0; r < numrows; ++r) {
+				for (col_type c = 0; c < numcols; ++c) {
+					idx_type i = index(r + cur.row(), c + col(cur.idx()));
+					cell(i).insert(0, grid.cell(grid.index(r, c)));
+				}
+				// append the left over horizontal cells to the last column
+				idx_type i = index(r + cur.row(), ncols() - 1);
+				for (MathInset::col_type c = numcols; c < grid.ncols(); ++c)
+					cell(i).append(grid.cell(grid.index(r, c)));
+			}
+			// append the left over vertical cells to the last _cell_
+			idx_type i = nargs() - 1;
+			for (row_type r = numrows; r < grid.nrows(); ++r)
+				for (col_type c = 0; c < grid.ncols(); ++c)
+					cell(i).append(grid.cell(grid.index(r, c)));
+		}
+		return;
+	}
 
-		case LFUN_BREAKLINE: {
-			////recordUndo(cur, Undo::INSERT);
-			row_type const r = cur.row();
-			addRow(r);
-
-			// split line
-			for (col_type c = col(cur.idx()) + 1; c < ncols(); ++c)
-				swap(cell(index(r, c)), cell(index(r + 1, c)));
-
-			// split cell
-			splitCell(cur);
-			swap(cell(cur.idx()), cell(cur.idx() + ncols() - 1));
-			if (cur.idx() > 0)
-				--cur.idx();
-			cur.idx() = cur.lastpos();
-
-			//mathcursor->normalize();
+	case LFUN_HOMESEL:
+	case LFUN_HOME:
+	case LFUN_WORDLEFTSEL:
+	case LFUN_WORDLEFT:
+		cur.selHandle(cmd.action == LFUN_WORDLEFTSEL || cmd.action == LFUN_HOMESEL);
+		cur.macroModeClose();
+		if (cur.pos() != 0)
+			cur.pos() = 0;
+		else if (cur.idx() != 0)
+			cur.idx() = 0;
+		else
 			cur.dispatched(FINISHED_LEFT);
-			return;
-		}
+		break;
 
-		case LFUN_TABULAR_FEATURE: {
-			//lyxerr << "handling tabular-feature " << cmd.argument << endl;
-			istringstream is(cmd.argument);
-			string s;
-			is >> s;
-			if (s == "valign-top")
-				valign('t');
-			else if (s == "valign-middle")
-				valign('c');
-			else if (s == "valign-bottom")
-				valign('b');
-			else if (s == "align-left")
-				halign('l', col(cur.idx()));
-			else if (s == "align-right")
-				halign('r', col(cur.idx()));
-			else if (s == "align-center")
-				halign('c', col(cur.idx()));
-			else if (s == "append-row")
-				for (int i = 0, n = extractInt(is); i < n; ++i)
-					addRow(cur.row());
-			else if (s == "delete-row")
-				for (int i = 0, n = extractInt(is); i < n; ++i) {
-					delRow(cur.row());
-					if (cur.idx() > nargs())
-						cur.idx() -= ncols();
-				}
-			else if (s == "copy-row")
-				for (int i = 0, n = extractInt(is); i < n; ++i)
-					copyRow(cur.row());
-			else if (s == "swap-row")
-				swapRow(cur.row());
-			else if (s == "append-column")
-				for (int i = 0, n = extractInt(is); i < n; ++i) {
-					row_type r = cur.row();
-					col_type c = col(cur.idx());
-					addCol(c);
-					cur.idx() = index(r, c);
-				}
-			else if (s == "delete-column")
-				for (int i = 0, n = extractInt(is); i < n; ++i) {
-					row_type r = cur.row();
-					col_type c = col(cur.idx());
-					delCol(col(cur.idx()));
-					cur.idx() = index(r, c);
-					if (cur.idx() > nargs())
-						cur.idx() -= ncols();
-				}
-			else if (s == "copy-column")
-				copyCol(col(cur.idx()));
-			else if (s == "swap-column")
-				swapCol(col(cur.idx()));
-			else {
-				cur.notdispatched();
-				return;
-			}
-			lyxerr << "returning FINISHED_LEFT" << endl;
-			return;
-		}
+	case LFUN_WORDRIGHTSEL:
+	case LFUN_WORDRIGHT:
+	case LFUN_ENDSEL:
+	case LFUN_END:
+		cur.selHandle(cmd.action == LFUN_WORDRIGHTSEL || cmd.action == LFUN_ENDSEL);
+		cur.macroModeClose();
+		cur.clearTargetX();
+		if (cur.pos() != cur.lastpos())
+			cur.pos() = cur.lastpos();
+		else if (cur.idx() != cur.lastidx())
+			cur.idx() = cur.lastidx();
+		else
+			cur.dispatched(FINISHED_RIGHT);
+		break;
 
-		case LFUN_PASTE: {
-			//lyxerr << "pasting '" << cmd.argument << "'" << endl;
-			MathGridInset grid(1, 1);
-			mathed_parse_normal(grid, cmd.argument);
-			if (grid.nargs() == 1) {
-				// single cell/part of cell
-				cur.cell().insert(cur.pos(), grid.cell(0));
-				cur.pos() += grid.cell(0).size();
-			} else {
-				// multiple cells
-				col_type const numcols =
-					min(grid.ncols(), ncols() - col(cur.idx()));
-				row_type const numrows =
-					min(grid.nrows(), nrows() - cur.row());
-				for (row_type r = 0; r < numrows; ++r) {
-					for (col_type c = 0; c < numcols; ++c) {
-						idx_type i = index(r + cur.row(), c + col(cur.idx()));
-						cell(i).insert(0, grid.cell(grid.index(r, c)));
-					}
-					// append the left over horizontal cells to the last column
-					idx_type i = index(r + cur.row(), ncols() - 1);
-					for (MathInset::col_type c = numcols; c < grid.ncols(); ++c)
-						cell(i).append(grid.cell(grid.index(r, c)));
-				}
-				// append the left over vertical cells to the last _cell_
-				idx_type i = nargs() - 1;
-				for (row_type r = numrows; r < grid.nrows(); ++r)
-					for (col_type c = 0; c < grid.ncols(); ++c)
-						cell(i).append(grid.cell(grid.index(r, c)));
-			}
-			return;
-		}
-
-		default:
-			MathNestInset::priv_dispatch(cur, cmd);
-			return;
+	default:
+		MathNestInset::priv_dispatch(cur, cmd);
+		return;
 	}
 }

src/mathed/math_gridinset.h

@@ -155,10 +155,6 @@ public:
 	///
 	bool idxLast(LCursor &) const;
 	///
-	bool idxHome(LCursor &) const;
-	///
-	bool idxEnd(LCursor &) const;
-	///
 	bool idxDelete(idx_type & idx);
 	/// pulls cell after pressing erase
 	void idxGlue(idx_type idx);

src/mathed/math_hullinset.C

@@ -851,12 +851,14 @@ void MathHullInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 
 	case LFUN_MATH_MUTATE: {
 		lyxerr << "Hull: MUTATE: " << cmd.argument << endl;
-		row_type r = cur.row();
-		col_type c = cur.col();
+		row_type row = cur.row();
+		col_type col = cur.col();
 		mutate(cmd.argument);
-		cur.idx() = r * ncols() + c;
-		if (cur.idx() >= nargs())
-			cur.idx() = nargs() - 1;
+		cur.idx() = row * ncols() + col;
+		if (cur.idx() > cur.lastidx()) {
+			cur.idx() = cur.lastidx();
+			cur.pos() = cur.lastpos();
+		}
 		if (cur.pos() > cur.lastpos())
 			cur.pos() = cur.lastpos();
 		//cur.dispatched(FINISHED);

src/mathed/math_inset.h

@@ -77,6 +77,8 @@ class MathInset : public InsetBase {
 public:
 	/// identification as math inset
 	MathInset * asMathInset() { return this; }
+	/// this is overridden in math text insets (i.e. mbox)
+	bool inMathed() const { return true; }
 
 	/// substitutes macro arguments if necessary
 	virtual void substitute(MathMacro const & macro);

src/mathed/math_mboxinset.h

@@ -35,6 +35,8 @@ public:
 
 	///
 	void write(WriteStream & os) const;
+	///
+	bool inMathed() const { return false; }
 
 	///
 	LyXText * getText(int) const;	

src/mathed/math_nestinset.C

@@ -164,26 +164,6 @@ bool MathNestInset::idxLast(LCursor & cur) const
 }
 
 
-bool MathNestInset::idxHome(LCursor & cur) const
-{
-	BOOST_ASSERT(ptr_cmp(cur.inset(), this));
-	if (cur.pos() == 0)
-		return false;
-	cur.pos() = 0;
-	return true;
-}
-
-
-bool MathNestInset::idxEnd(LCursor & cur) const
-{
-	BOOST_ASSERT(ptr_cmp(cur.inset(), this));
-	if (cur.lastpos() == cur.lastpos())
-		return false;
-	cur.pos() = cur.lastpos();
-	return true;
-}
-
-
 void MathNestInset::dump() const
 {
 	WriteStream os(lyxerr);
@@ -351,6 +331,7 @@ void MathNestInset::handleFont2(LCursor & cur, string const & arg)
 void MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 {
 	lyxerr << "MathNestInset: request: " << cmd << std::endl;
+	CursorSlice sl = cur.current();
 
 	switch (cmd.action) {
 
@@ -423,15 +404,38 @@ void MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 
 	case LFUN_RIGHTSEL:
 	case LFUN_RIGHT:
+		lyxerr << "mathnest RIGHT: from:\n" << cur << endl;
 		cur.selHandle(cmd.action == LFUN_RIGHTSEL);
-		if (!cur.right()) 
+		cur.autocorrect() = false;
+		cur.clearTargetX();
+		if (cur.inMacroMode())
+			cur.macroModeClose();
+		else if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
+			cur.pushLeft(cur.nextAtom().nucleus());
+			cur.inset()->idxFirst(cur);
+		} else if (cur.posRight() || idxRight(cur)
+			|| cur.popRight() || cur.selection())
+			;
+		else
 			cur.dispatched(FINISHED_RIGHT);
+		lyxerr << "mathnest RIGHT: to:\n" << cur << endl;
 		break;
 
 	case LFUN_LEFTSEL:
 	case LFUN_LEFT:
 		cur.selHandle(cmd.action == LFUN_LEFTSEL);
-		if (!cur.left())
+		cur.autocorrect() = false;
+		cur.clearTargetX();
+		if (cur.inMacroMode())
+			cur.macroModeClose();
+		else if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
+			cur.posLeft();
+			cur.push(cur.nextAtom().nucleus());
+			cur.inset()->idxLast(cur);
+		} else if (cur.posLeft() || idxLeft(cur)
+			|| cur.popLeft() || cur.selection())
+			;
+		else
 			cur.dispatched(FINISHED_LEFT);
 		break;
 
@@ -450,10 +454,12 @@ void MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 		break;
 
 	case LFUN_WORDSEL:
-		cur.home();
+		cur.pos() = 0;
+		cur.idx() = 0;
 		cur.resetAnchor();
 		cur.selection() = true;
-		cur.end();
+		cur.pos() = cur.lastpos();
+		cur.idx() = cur.lastidx();
 		break;
 
 	case LFUN_UP_PARAGRAPHSEL:
@@ -462,32 +468,43 @@ void MathNestInset::priv_dispatch(LCursor & cur, FuncRequest const & cmd)
 	case LFUN_DOWN_PARAGRAPH:
 		break;
 
+	case LFUN_HOMESEL:
+	case LFUN_HOME:
 	case LFUN_WORDLEFTSEL:
 	case LFUN_WORDLEFT:
-		cur.selHandle(cmd.action == LFUN_WORDLEFTSEL);
-		if (!cur.home())
+		cur.selHandle(cmd.action == LFUN_WORDLEFTSEL || cmd.action == LFUN_HOMESEL);
+		cur.macroModeClose();
+		if (cur.pos() != 0) {
+			cur.pos() = 0;
+		} else if (cur.col() != 0) {
+			cur.idx() -= cur.col();
+			cur.pos() = 0;
+		} else if (cur.idx() != 0) {
+			cur.idx() = 0;
+			cur.pos() = 0;
+		} else {
 			cur.dispatched(FINISHED_LEFT);
+		}
 		break;
 
 	case LFUN_WORDRIGHTSEL:
 	case LFUN_WORDRIGHT:
-		cur.selHandle(cmd.action == LFUN_WORDRIGHTSEL);
-		if (!cur.end())
-			cur.dispatched(FINISHED_RIGHT);
-		break;
-
-	case LFUN_HOMESEL:
-	case LFUN_HOME:
-		cur.selHandle(cmd.action == LFUN_HOMESEL);
-		if (!cur.home())
-			cur.dispatched(FINISHED_LEFT);
-		break;
-
 	case LFUN_ENDSEL:
 	case LFUN_END:
-		cur.selHandle(cmd.action == LFUN_ENDSEL);
-		if (!cur.end())
+		cur.selHandle(cmd.action == LFUN_WORDRIGHTSEL || cmd.action == LFUN_ENDSEL);
+		cur.macroModeClose();
+		cur.clearTargetX();
+		if (cur.pos() != cur.lastpos()) {
+			cur.pos() = cur.lastpos();
+		} else if (cur.col() != cur.lastcol()) {
+			cur.idx() = cur.idx() - cur.col() + cur.lastcol();
+			cur.pos() = cur.lastpos();
+		} else if (cur.idx() != cur.lastidx()) {
+			cur.idx() = cur.lastidx();
+			cur.pos() = cur.lastpos();
+		} else {
 			cur.dispatched(FINISHED_RIGHT);
+		}
 		break;
 
 	case LFUN_PRIORSEL:

src/mathed/math_nestinset.h

@@ -60,11 +60,6 @@ public:
 	/// target pos when we enter the inset from the right by pressing "Left"
 	bool idxLast(LCursor &) const;
 
-	/// where should we go if we press home?
-	bool idxHome(LCursor &) const;
-	/// where should we go if we press end?
-	bool idxEnd(LCursor &) const;
-
 	/// number of cells currently governed by us
 	idx_type nargs() const;
 	/// access to the lock

src/text3.C

@@ -135,8 +135,7 @@ namespace {
 		lyxerr << "selection is: '" << sel << "'" << endl;
 
 		if (sel.empty()) {
-			cur.insert(new MathHullInset);
-			cur.dispatch(FuncRequest(LFUN_RIGHT));
+			cur.insert(new MathHullInset); // activates inset
 			cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 			// don't do that also for LFUN_MATH_MODE unless you want end up with
 			// always changing to mathrm when opening an inlined inset
@@ -152,12 +151,10 @@ namespace {
 					sel.find("\\def") == string::npos)
 			{
 				cur.insert(new MathHullInset);
-				cur.dispatch(FuncRequest(LFUN_RIGHT));
 				cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 				cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 			} else {
 				cur.insert(new InsetFormulaMacro(sel));
-				cur.dispatch(FuncRequest(LFUN_RIGHT));
 			}
 		}
 		cur.message(N_("Math editor mode"));