]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetTabular.cpp
Check character encodability with pass-thru in command insets
[lyx.git] / src / insets / InsetTabular.cpp
index afdd3d7a2094d28bac05ed9b9eb2c8fe0f2c8fe0..9df7d463c3832dde51d9d04e4bd87868c4b9a12a 100644 (file)
@@ -127,12 +127,20 @@ TabularFeature tabularFeature[] =
        { Tabular::MOVE_ROW_UP, "move-row-up", false },
        { Tabular::SET_LINE_TOP, "set-line-top", true },
        { Tabular::SET_LINE_BOTTOM, "set-line-bottom", true },
+       { Tabular::SET_LTRIM_TOP, "set-ltrim-top", true },
+       { Tabular::SET_LTRIM_BOTTOM, "set-ltrim-bottom", true },
+       { Tabular::SET_RTRIM_TOP, "set-rtrim-top", true },
+       { Tabular::SET_RTRIM_BOTTOM, "set-rtrim-bottom", true },
        { Tabular::SET_LINE_LEFT, "set-line-left", true },
        { Tabular::SET_LINE_RIGHT, "set-line-right", true },
        { Tabular::TOGGLE_LINE_TOP, "toggle-line-top", false },
        { Tabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom", false },
        { Tabular::TOGGLE_LINE_LEFT, "toggle-line-left", false },
        { Tabular::TOGGLE_LINE_RIGHT, "toggle-line-right", false },
+       { Tabular::TOGGLE_LTRIM_TOP, "toggle-ltrim-top", false },
+       { Tabular::TOGGLE_LTRIM_BOTTOM, "toggle-ltrim-bottom", false },
+       { Tabular::TOGGLE_RTRIM_TOP, "toggle-rtrim-top", false },
+       { Tabular::TOGGLE_RTRIM_BOTTOM, "toggle-rtrim-bottom", false },
        { Tabular::ALIGN_LEFT, "align-left", false },
        { Tabular::ALIGN_RIGHT, "align-right", false },
        { Tabular::ALIGN_CENTER, "align-center", false },
@@ -155,6 +163,7 @@ TabularFeature tabularFeature[] =
        { Tabular::UNSET_MULTIROW, "unset-multirow", false },
        { Tabular::SET_MROFFSET, "set-mroffset", true },
        { Tabular::SET_ALL_LINES, "set-all-lines", false },
+       { Tabular::RESET_FORMAL_DEFAULT, "reset-formal-default", false },
        { Tabular::UNSET_ALL_LINES, "unset-all-lines", false },
        { Tabular::TOGGLE_LONGTABULAR, "toggle-longtabular", false },
        { Tabular::SET_LONGTABULAR, "set-longtabular", false },
@@ -199,6 +208,7 @@ TabularFeature tabularFeature[] =
        { Tabular::LONGTABULAR_ALIGN_RIGHT, "longtabular-align-right", false },
        { Tabular::SET_DECIMAL_POINT, "set-decimal-point", true },
        { Tabular::SET_TABULAR_WIDTH, "set-tabular-width", true },
+       { Tabular::SET_INNER_LINES, "set-inner-lines", false },
        { Tabular::LAST_ACTION, "", false }
 };
 
@@ -583,6 +593,10 @@ Tabular::CellData::CellData(Buffer * buf)
          bottom_line(false),
          left_line(false),
          right_line(false),
+         top_line_rtrimmed(false),
+         top_line_ltrimmed(false),
+         bottom_line_rtrimmed(false),
+         bottom_line_ltrimmed(false),
          usebox(BOX_NONE),
          rotate(0),
          inset(new InsetTableCell(buf))
@@ -606,6 +620,10 @@ Tabular::CellData::CellData(CellData const & cs)
          bottom_line(cs.bottom_line),
          left_line(cs.left_line),
          right_line(cs.right_line),
+         top_line_rtrimmed(cs.top_line_rtrimmed),
+         top_line_ltrimmed(cs.top_line_ltrimmed),
+         bottom_line_rtrimmed(cs.bottom_line_rtrimmed),
+         bottom_line_ltrimmed(cs.bottom_line_ltrimmed),
          usebox(cs.usebox),
          rotate(cs.rotate),
          align_special(cs.align_special),
@@ -632,6 +650,10 @@ Tabular::CellData & Tabular::CellData::operator=(CellData const & cs)
        bottom_line = cs.bottom_line;
        left_line = cs.left_line;
        right_line = cs.right_line;
+       top_line_rtrimmed = cs.top_line_rtrimmed;
+       top_line_ltrimmed = cs.top_line_ltrimmed;
+       bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
+       bottom_line_rtrimmed = cs.bottom_line_rtrimmed;
        usebox = cs.usebox;
        rotate = cs.rotate;
        align_special = cs.align_special;
@@ -917,8 +939,11 @@ void Tabular::updateIndexes()
        // reset column and row of cells and update their width and alignment
        for (row_type row = 0; row < nrows(); ++row)
                for (col_type column = 0; column < ncols(); ++column) {
-                       if (isPartOfMultiColumn(row, column))
+                       if (isPartOfMultiColumn(row, column)) {
+                               cell_info[row][column].inset->toggleMultiCol(true);
                                continue;
+                       }
+                       cell_info[row][column].inset->toggleMultiCol(false);
                        // columnofcell needs to be called before setting width and aligment
                        // multirow cells inherit the width from the column width
                        if (!isPartOfMultiRow(row, column)) {
@@ -926,8 +951,11 @@ void Tabular::updateIndexes()
                                rowofcell[i] = row;
                        }
                        setFixedWidth(row, column);
-                       if (isPartOfMultiRow(row, column))
+                       if (isPartOfMultiRow(row, column)) {
+                               cell_info[row][column].inset->toggleMultiRow(true);
                                continue;
+                       }
+                       cell_info[row][column].inset->toggleMultiRow(false);
                        cell_info[row][column].inset->setContentAlignment(
                                getAlignment(cellIndex(row, column)));
                        ++i;
@@ -957,22 +985,40 @@ bool Tabular::bottomLine(idx_type const cell) const
 }
 
 
-bool Tabular::leftLine(idx_type cell) const
+bool Tabular::leftLine(idx_type cell, bool const ignore_bt) const
 {
-       if (use_booktabs)
+       if (use_booktabs && !ignore_bt)
                return false;
        return cellInfo(cell).left_line;
 }
 
 
-bool Tabular::rightLine(idx_type cell) const
+bool Tabular::rightLine(idx_type cell, bool const ignore_bt) const
 {
-       if (use_booktabs)
+       if (use_booktabs && !ignore_bt)
                return false;
        return cellInfo(cell).right_line;
 }
 
 
+pair<bool, bool> Tabular::topLineTrim(idx_type const cell) const
+{
+       if (!use_booktabs)
+               return make_pair(false, false);
+       return make_pair(cellInfo(cell).top_line_ltrimmed,
+                        cellInfo(cell).top_line_rtrimmed);
+}
+
+
+pair<bool, bool> Tabular::bottomLineTrim(idx_type const cell) const
+{
+       if (!use_booktabs)
+               return make_pair(false, false);
+       return make_pair(cellInfo(cell).bottom_line_ltrimmed,
+                        cellInfo(cell).bottom_line_rtrimmed);
+}
+
+
 int Tabular::interRowSpace(row_type row) const
 {
        if (!row || row >= nrows())
@@ -1023,15 +1069,60 @@ int Tabular::cellHeight(idx_type cell) const
 }
 
 
-bool Tabular::updateColumnWidths()
+bool Tabular::updateColumnWidths(MetricsInfo & mi)
 {
        vector<int> max_dwidth(ncols(), 0);
+       // collect max. fixed width of column
+       map<col_type, int> max_pwidth;
+       // collect max. variable width of column
+       map<col_type, int> max_width;
+
        for(col_type c = 0; c < ncols(); ++c)
                for(row_type r = 0; r < nrows(); ++r) {
                        idx_type const i = cellIndex(r, c);
                        if (getAlignment(i) == LYX_ALIGN_DECIMAL)
                                max_dwidth[c] = max(max_dwidth[c], cell_info[r][c].decimal_width);
+                       if (!getPWidth(i).zero())
+                               max_pwidth[c] = max(max_pwidth[c], cell_info[r][c].width);
+                       else if (!column_info[c].varwidth)
+                               max_width[c] = max(max_width[c], cell_info[r][c].width);
+               }
+
+       // If we have a fixed tabular width, we take this into account
+       Length tab_width = tabular_width;
+       bool const tabularx = hasVarwidthColumn();
+       if (tabularx && tab_width.zero())
+               // If no tabular width is specified with X columns,
+               // we use 100% colwidth
+               tab_width = Length(100, Length::PCW);
+       int restwidth = -1;
+       if (!tab_width.zero()) {
+               restwidth = mi.base.inPixels(tab_width);
+               // Substract the fixed widths from the table width
+               for (auto const w : max_pwidth)
+                       restwidth -= w.second;
+       }
+
+       // If we have a fixed width, distribute the available table width
+       // (minus the fixed widths) to the variable-width columns
+       int vcolwidth = -1;
+       int restcols = ncols() - max_pwidth.size();
+       if (restwidth > 0)
+               vcolwidth = restwidth / restcols;
+
+       // Now consider that some variable width columns exceed the vcolwidth
+       if (vcolwidth > 0) {
+               bool changed = false;
+               for (auto const w : max_width) {
+                       if (tabularx || w.second > vcolwidth) {
+                               --restcols;
+                               restwidth -= w.second;
+                               changed = true;
+                       }
                }
+               if (changed && restwidth > 0)
+                       vcolwidth = restwidth / restcols;
+       }
 
        bool update = false;
        // for each col get max of single col cells
@@ -1044,14 +1135,23 @@ bool Tabular::updateColumnWidths()
                                        && cell_info[r][c].decimal_width != 0)
                                        new_width = max(new_width, cellInfo(i).width
                                                + max_dwidth[c] - cellInfo(i).decimal_width);
-                               else
+                               else if (getPWidth(i).zero() && vcolwidth > 0) {
+                                       if (tabularx && !column_info[c].varwidth)
+                                               new_width = max(new_width, cellInfo(i).width);
+                                       else if (tabularx)
+                                               new_width = vcolwidth;
+                                       else
+                                               new_width = max(vcolwidth, max(new_width, cellInfo(i).width));
+                               } else
                                        new_width = max(new_width, cellInfo(i).width);
                        }
                }
 
                if (column_info[c].width != new_width) {
                        column_info[c].width = new_width;
-                       update = true;
+                       // Do not trigger update when no space is left for variable
+                       // columns, as this will loop
+                       update = tab_width.zero() || restwidth > 0;
                }
        }
        // update col widths to fit merged cells
@@ -1068,7 +1168,9 @@ bool Tabular::updateColumnWidths()
 
                        if (cellInfo(i).width > old_width) {
                                column_info[c + span - 1].width += cellInfo(i).width - old_width;
-                               update = true;
+                               // Do not trigger update when no space is left for variable
+                               // columns, as this will loop
+                               update = tab_width.zero() || restwidth > 0;
                        }
                }
 
@@ -1130,14 +1232,16 @@ void Tabular::setVAlignment(idx_type cell, VAlignment align,
 namespace {
 
 /**
- * Allow line and paragraph breaks for fixed width cells or disallow them,
- * merge cell paragraphs and reset layout to standard for variable width
- * cells.
+ * Allow line and paragraph breaks for fixed width multicol/multirow cells
+ * or disallow them, merge cell paragraphs and reset layout to standard
+ * for variable width multicol cells.
  */
-void toggleFixedWidth(Cursor & cur, InsetTableCell * inset, bool fixedWidth)
+void toggleFixedWidth(Cursor & cur, InsetTableCell * inset,
+                     bool const fixedWidth, bool const multicol,
+                     bool const multirow)
 {
        inset->toggleFixedWidth(fixedWidth);
-       if (fixedWidth)
+       if (!multirow && (fixedWidth || !multicol))
                return;
 
        // merge all paragraphs to one
@@ -1145,6 +1249,19 @@ void toggleFixedWidth(Cursor & cur, InsetTableCell * inset, bool fixedWidth)
        while (inset->paragraphs().size() > 1)
                mergeParagraph(bp, inset->paragraphs(), 0);
 
+       // This is relevant for multirows
+       if (fixedWidth)
+               return;
+
+       // remove newlines
+       ParagraphList::iterator pit = inset->paragraphs().begin();
+       for (; pit != inset->paragraphs().end(); ++pit) {
+               for (pos_type j = 0; j != pit->size(); ++j) {
+                       if (pit->isNewline(j))
+                               pit->eraseChar(j, bp.track_changes);
+               }
+       }
+
        // reset layout
        cur.push(*inset);
        // undo information has already been recorded
@@ -1171,16 +1288,13 @@ void Tabular::setColumnPWidth(Cursor & cur, idx_type cell,
                idx_type const cidx = cellIndex(r, c);
                // because of multicolumns
                toggleFixedWidth(cur, cellInset(cidx).get(),
-                                !getPWidth(cidx).zero());
+                                !getPWidth(cidx).zero(), isMultiColumn(cidx),
+                                isMultiRow(cidx));
                if (isMultiRow(cidx))
                        setAlignment(cidx, LYX_ALIGN_LEFT, false);
        }
-       // cur paragraph can become invalid after paragraphs were merged
-       if (cur.pit() > cur.lastpit())
-               cur.pit() = cur.lastpit();
-       // cur position can become invalid after newlines were removed
-       if (cur.pos() > cur.lastpos())
-               cur.pos() = cur.lastpos();
+       // cur can become invalid after paragraphs were merged
+       cur.fixIfBroken();
 }
 
 
@@ -1201,13 +1315,10 @@ bool Tabular::setMColumnPWidth(Cursor & cur, idx_type cell,
                return false;
 
        cellInfo(cell).p_width = width;
-       toggleFixedWidth(cur, cellInset(cell).get(), !width.zero());
-       // cur paragraph can become invalid after paragraphs were merged
-       if (cur.pit() > cur.lastpit())
-               cur.pit() = cur.lastpit();
-       // cur position can become invalid after newlines were removed
-       if (cur.pos() > cur.lastpos())
-               cur.pos() = cur.lastpos();
+       toggleFixedWidth(cur, cellInset(cell).get(), !width.zero(),
+                        isMultiColumn(cell), isMultiRow(cell));
+       // cur can become invalid after paragraphs were merged
+       cur.fixIfBroken();
        return true;
 }
 
@@ -1248,6 +1359,42 @@ void Tabular::setBottomLine(idx_type i, bool line)
 }
 
 
+void Tabular::setTopLineLTrim(idx_type i, bool val)
+{
+       cellInfo(i).top_line_ltrimmed = val;
+}
+
+
+void Tabular::setTopLineRTrim(idx_type i, bool val)
+{
+       cellInfo(i).top_line_rtrimmed = val;
+}
+
+
+void Tabular::setBottomLineLTrim(idx_type i, bool val)
+{
+       cellInfo(i).bottom_line_ltrimmed = val;
+}
+
+
+void Tabular::setBottomLineRTrim(idx_type i, bool val)
+{
+       cellInfo(i).bottom_line_rtrimmed = val;
+}
+
+
+void Tabular::setTopLineTrim(idx_type i, pair<bool, bool> trim)
+{
+       setTopLineLTrim(i, trim.first);
+       setTopLineRTrim(i, trim.second);
+}
+
+void Tabular::setBottomLineTrim(idx_type i, pair<bool, bool> trim)
+{
+       setBottomLineLTrim(i, trim.first);
+       setBottomLineRTrim(i, trim.second);
+}
+
 void Tabular::setLeftLine(idx_type cell, bool line)
 {
        cellInfo(cell).left_line = line;
@@ -1542,7 +1689,11 @@ void Tabular::write(ostream & os) const
                           << write_attribute("alignment", cell_info[r][c].alignment)
                           << write_attribute("valignment", cell_info[r][c].valignment)
                           << write_attribute("topline", cell_info[r][c].top_line)
+                          << write_attribute("toplineltrim", cell_info[r][c].top_line_ltrimmed)
+                          << write_attribute("toplinertrim", cell_info[r][c].top_line_rtrimmed)
                           << write_attribute("bottomline", cell_info[r][c].bottom_line)
+                          << write_attribute("bottomlineltrim", cell_info[r][c].bottom_line_ltrimmed)
+                          << write_attribute("bottomlinertrim", cell_info[r][c].bottom_line_rtrimmed)
                           << write_attribute("leftline", cell_info[r][c].left_line)
                           << write_attribute("rightline", cell_info[r][c].right_line)
                           << write_attribute("rotate", cell_info[r][c].rotate)
@@ -1656,7 +1807,11 @@ void Tabular::read(Lexer & lex)
                        getTokenValue(line, "alignment", cell_info[i][j].alignment);
                        getTokenValue(line, "valignment", cell_info[i][j].valignment);
                        getTokenValue(line, "topline", cell_info[i][j].top_line);
+                       getTokenValue(line, "toplineltrim", cell_info[i][j].top_line_ltrimmed);
+                       getTokenValue(line, "toplinertrim", cell_info[i][j].top_line_rtrimmed);
                        getTokenValue(line, "bottomline", cell_info[i][j].bottom_line);
+                       getTokenValue(line, "bottomlineltrim", cell_info[i][j].bottom_line_ltrimmed);
+                       getTokenValue(line, "bottomlinertrim", cell_info[i][j].bottom_line_rtrimmed);
                        getTokenValue(line, "leftline", cell_info[i][j].left_line);
                        getTokenValue(line, "rightline", cell_info[i][j].right_line);
                        getTokenValue(line, "rotate", cell_info[i][j].rotate);
@@ -1717,6 +1872,16 @@ bool Tabular::hasVarwidthColumn() const
 }
 
 
+bool Tabular::isVTypeColumn(col_type c) const
+{
+       for (row_type r = 0; r < nrows(); ++r) {
+               idx_type idx = cellIndex(r, c);
+               if (getRotateCell(idx) == 0 && useBox(idx) == BOX_VARWIDTH)
+                       return true;
+       }
+       return false;
+}
+
 
 Tabular::CellData const & Tabular::cellInfo(idx_type cell) const
 {
@@ -1730,7 +1895,7 @@ Tabular::CellData & Tabular::cellInfo(idx_type cell)
 }
 
 
-Tabular::idx_type Tabular::setMultiColumn(idx_type cell, idx_type number,
+Tabular::idx_type Tabular::setMultiColumn(Cursor & cur, idx_type cell, idx_type number,
                                          bool const right_border)
 {
        idx_type const col = cellColumn(cell);
@@ -1745,6 +1910,14 @@ Tabular::idx_type Tabular::setMultiColumn(idx_type cell, idx_type number,
        if (column_info[col].alignment != LYX_ALIGN_DECIMAL)
                cs.alignment = column_info[col].alignment;
        setRightLine(cell, right_border);
+       // non-fixed width multicolumns cannot have multiple paragraphs
+       if (getPWidth(cell).zero()) {
+               toggleFixedWidth(cur, cellInset(cell).get(),
+                                !getPWidth(cell).zero(), isMultiColumn(cell),
+                                isMultiRow(cell));
+               // cur can become invalid after paragraphs were merged
+               cur.fixIfBroken();
+       }
 
        idx_type lastcell = cellIndex(row, col + number - 1);
        for (idx_type i = 1; i < lastcell - cell + 1; ++i) {
@@ -1773,7 +1946,7 @@ bool Tabular::hasMultiRow(row_type r) const
        return false;
 }
 
-Tabular::idx_type Tabular::setMultiRow(idx_type cell, idx_type number,
+Tabular::idx_type Tabular::setMultiRow(Cursor & cur, idx_type cell, idx_type number,
                                       bool const bottom_border,
                                       LyXAlignment const halign)
 {
@@ -1796,6 +1969,15 @@ Tabular::idx_type Tabular::setMultiRow(idx_type cell, idx_type number,
        else
                cs.alignment = LYX_ALIGN_LEFT;
 
+       // Multirows cannot have multiple paragraphs
+       if (getPWidth(cell).zero()) {
+               toggleFixedWidth(cur, cellInset(cell).get(),
+                                !getPWidth(cell).zero(),
+                                isMultiColumn(cell), isMultiRow(cell));
+               // cur can become invalid after paragraphs were merged
+               cur.fixIfBroken();
+       }
+
        // set the bottom line of the last selected cell
        setBottomLine(cell, bottom_border);
 
@@ -1949,7 +2131,7 @@ Tabular::BoxType Tabular::getUsebox(idx_type cell) const
                return BOX_NONE;
        if (cellInfo(cell).usebox > 1)
                return cellInfo(cell).usebox;
-       return useParbox(cell);
+       return useBox(cell);
 }
 
 
@@ -2078,11 +2260,11 @@ bool Tabular::haveLTLastFoot(bool withcaptions) const
 }
 
 
-Tabular::idx_type Tabular::setLTCaption(row_type row, bool what)
+Tabular::idx_type Tabular::setLTCaption(Cursor & cur, row_type row, bool what)
 {
        idx_type i = getFirstCellInRow(row);
        if (what) {
-               setMultiColumn(i, numberOfCellsInRow(row), false);
+               setMultiColumn(cur, i, numberOfCellsInRow(row), false);
                setTopLine(i, false);
                setBottomLine(i, false);
                setLeftLine(i, false);
@@ -2205,18 +2387,32 @@ void Tabular::TeXTopHLine(otexstream & os, row_type row, string const & lang,
        // is done in Tabular::TeXBottomHLine(...)
 
        // get for each column the topline (if any)
-       map<col_type, bool> topline;
+       map<col_type, bool> topline, topltrims, toprtrims;
        col_type nset = 0;
+       bool have_trims = false;
        for (auto const & c : columns) {
                topline[c] = topLine(cellIndex(row, c));
+               topltrims[c] = topLineTrim(cellIndex(row, c)).first;
+               toprtrims[c] = topLineTrim(cellIndex(row, c)).second;
                // If cell is part of a multirow and not the first cell of the
                // multirow, no line must be drawn.
                if (row != 0)
                        if (isMultiRow(cellIndex(row, c))
-                           && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW)
+                           && cell_info[row][c].multirow != CELL_BEGIN_OF_MULTIROW) {
                                topline[c] = false;
+                               topltrims[c] = false;
+                               toprtrims[c] = false;
+                       }
+               // copy trimming to multicolumn parts
+               if (isPartOfMultiColumn(row, c)) {
+                       topltrims[c] = topltrims[c-1];
+                       toprtrims[c] = toprtrims[c-1];
+               }
                if (topline.find(c) != topline.end() && topline.find(c)->second)
                        ++nset;
+               if ((topltrims.find(c) != topltrims.end() && topltrims.find(c)->second)
+                    || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second))
+                       have_trims = true;
        }
 
        // do nothing if empty first row, or incomplete row line after
@@ -2224,36 +2420,66 @@ void Tabular::TeXTopHLine(otexstream & os, row_type row, string const & lang,
                return;
 
        // only output complete row lines and the 1st row's clines
-       if (nset == ncols()) {
+       if (nset == ncols() && !have_trims) {
                if (use_booktabs) {
                        os << (row == 0 ? "\\toprule " : "\\midrule ");
                } else {
                        os << "\\hline ";
                }
-       } else if (row == 0) {
+       } else if (row == 0 || have_trims) {
+               string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
                for (auto & c : columns) {
                        if (topline.find(c)->second) {
                                col_type offset = 0;
                                for (col_type j = 0 ; j < c; ++j)
                                        if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
                                                ++offset;
-
-                               //babel makes the "-" character an active one, so we have to suppress this here
-                               //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
-                               if (lang == "slovak" || lang == "czech")
-                                       os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
-                                       << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
-                               else
-                                       os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
-
+                               while (isPartOfMultiColumn(row, c))
+                                       ++c;
+                               string trim;
+                               if (topltrims.find(c) != topltrims.end()
+                                    && topltrims.find(c)->second)
+                                       trim = "l";
+                               string const firstcol = convert<string>(c + 1 + offset);
                                col_type cstart = c;
-                               for ( ; c < ncols() && topline.find(c)->second; ++c) {}
+                               for ( ; c < ncols() - 1 && topline.find(c)->second ; ++c) {
+                                       if (isMultiColumn(cellIndex(row, c))
+                                           && c < ncols() - 1 && isPartOfMultiColumn(row, c + 1))
+                                               continue;
+                                       if (c > cstart && topltrims.find(c) != topltrims.end()
+                                                       && topltrims.find(c)->second) {
+                                               if (!isPartOfMultiColumn(row, c))
+                                                       --c;
+                                               break;
+                                       } else if (toprtrims.find(c) != toprtrims.end()
+                                                  && toprtrims.find(c)->second)
+                                               break;
+                               }
 
                                for (col_type j = cstart ; j < c ; ++j)
                                        if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
                                                ++offset;
+                               col_type const lastcol = c + 1 + offset;
+                               if (toprtrims.find(c) != toprtrims.end()
+                                   && toprtrims.find(c)->second)
+                                       trim += "r";
 
-                               os << c + offset << "} ";
+                               //babel makes the "-" character an active one, so we have to suppress this here
+                               //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
+                               if (lang == "slovak" || lang == "czech") {
+                                       os << "\\expandafter" << cline;
+                                       if (!trim.empty())
+                                               os << "(" << trim << ")";
+                                       os << "\\expandafter{\\expandafter" << firstcol << "\\string-";
+                               } else {
+                                       os << cline;
+                                       if (!trim.empty())
+                                               os << "(" << trim << ")";
+                                       os << "{" << firstcol << '-';
+                               }
+                               os << lastcol << "}";
+                               if (c == ncols() - 1)
+                                       break;
                        }
                }
        }
@@ -2269,11 +2495,16 @@ void Tabular::TeXBottomHLine(otexstream & os, row_type row, string const & lang,
 
        // get the bottomlines of row r, and toplines in next row
        bool lastrow = row == nrows() - 1;
-       map<col_type, bool> bottomline, topline;
+       map<col_type, bool> bottomline, topline, topltrims, toprtrims, bottomltrims, bottomrtrims;
        bool nextrowset = true;
        for (auto const & c : columns) {
+               idx_type const idx = cellIndex(row, c);
                bottomline[c] = bottomLine(cellIndex(row, c));
+               bottomltrims[c] = bottomLineTrim(idx).first;
+               bottomrtrims[c] = bottomLineTrim(idx).second;
                topline[c] =  !lastrow && topLine(cellIndex(row + 1, c));
+               topltrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).first;
+               toprtrims[c] = !lastrow && topLineTrim(cellIndex(row + 1, c)).second;
                // If cell is part of a multirow and not the last cell of the
                // multirow, no line must be drawn.
                if (!lastrow)
@@ -2282,52 +2513,103 @@ void Tabular::TeXBottomHLine(otexstream & os, row_type row, string const & lang,
                            && cell_info[row + 1][c].multirow != CELL_BEGIN_OF_MULTIROW) {
                                bottomline[c] = false;
                                topline[c] = false;
-                               }
+                               bottomltrims[c] = false;
+                               bottomrtrims[c] = false;
+                               topltrims[c] = false;
+                               toprtrims[c] = false;
+                       }
+               // copy trimming in multicolumn parts
+               if (isPartOfMultiColumn(row, c)) {
+                       topltrims[c] = topltrims[c-1];
+                       toprtrims[c] = toprtrims[c-1];
+                       bottomltrims[c] = bottomltrims[c-1];
+                       bottomrtrims[c] = bottomrtrims[c-1];
+               }
+                       
                nextrowset &= topline.find(c) != topline.end() && topline.find(c)->second;
        }
 
        // combine this row's bottom lines and next row's toplines if necessary
        col_type nset = 0;
+       bool have_trims = false;
        for (auto const & c : columns) {
                if (!nextrowset)
                        bottomline[c] = bottomline.find(c)->second || topline.find(c)->second;
+               bottomltrims[c] = (bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
+                               || (topltrims.find(c) != topltrims.end() && topltrims.find(c)->second);
+               bottomrtrims[c] =(bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second)
+                               || (toprtrims.find(c) != toprtrims.end() && toprtrims.find(c)->second);
                if (bottomline.find(c)->second)
                        ++nset;
+               if ((bottomltrims.find(c) != bottomltrims.end() && bottomltrims.find(c)->second)
+                    || (bottomrtrims.find(c) != bottomrtrims.end() && bottomrtrims.find(c)->second))
+                       have_trims = true;
        }
 
        // do nothing if empty, OR incomplete row line with a topline in next row
        if (nset == 0 || (nextrowset && nset != ncols()))
                return;
 
-       if (nset == ncols()) {
+       if (nset == ncols() && !have_trims) {
                if (use_booktabs)
                        os << (lastrow ? "\\bottomrule" : "\\midrule");
                else
                        os << "\\hline ";
        } else {
+               string const cline = use_booktabs ? "\\cmidrule" : "\\cline";
                for (auto & c : columns) {
                        if (bottomline.find(c)->second) {
                                col_type offset = 0;
                                for (col_type j = 0 ; j < c; ++j)
                                        if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
                                                ++offset;
-
-                               //babel makes the "-" character an active one, so we have to suppress this here
-                               //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
-                               if (lang == "slovak" || lang == "czech")
-                                       os << "\\expandafter" << (use_booktabs ? "\\cmidrule" : "\\cline")
-                                       << "\\expandafter{\\expandafter" << c + 1 + offset << "\\string-";
-                               else
-                                       os << (use_booktabs ? "\\cmidrule{" : "\\cline{") << c + 1 + offset << '-';
-
+                               while (isPartOfMultiColumn(row, c))
+                                       ++c;
+                               string trim;
+                               if (bottomltrims.find(c) != bottomltrims.end()
+                                    && bottomltrims.find(c)->second)
+                                       trim = "l";
+                               string const firstcol = convert<string>(c + 1 + offset);
                                col_type cstart = c;
-                               for ( ; c < ncols() && bottomline.find(c)->second; ++c) {}
+                               for ( ; c < ncols() - 1 && bottomline.find(c)->second ; ++c) {
+                                       if (isMultiColumn(cellIndex(row, c))
+                                           && c < ncols() - 1
+                                           && isPartOfMultiColumn(row, c + 1))
+                                               continue;
+                                       if (c > cstart && bottomltrims.find(c) != bottomltrims.end()
+                                           && bottomltrims.find(c)->second) {
+                                               if (!isPartOfMultiColumn(row, c))
+                                                       --c;
+                                               break;
+                                       } else if (bottomrtrims.find(c) != bottomrtrims.end()
+                                                  && bottomrtrims.find(c)->second)
+                                               break;
+                               }
 
                                for (col_type j = cstart ; j < c ; ++j)
                                        if (column_info[j].alignment == LYX_ALIGN_DECIMAL)
                                                ++offset;
+                               col_type const lastcol = c + 1 + offset;
+                               if (bottomrtrims.find(c) != bottomrtrims.end()
+                                   && bottomrtrims.find(c)->second)
+                                       trim += "r";
 
-                               os << c + offset << "} ";
+                               //babel makes the "-" character an active one, so we have to suppress this here
+                               //see http://groups.google.com/group/comp.text.tex/browse_thread/thread/af769424a4a0f289#
+                               if (lang == "slovak" || lang == "czech") {
+                                       os << "\\expandafter" << cline;
+                                       if (!trim.empty())
+                                               os << "(" << trim << ")";
+                                       os << "\\expandafter{\\expandafter" << firstcol << "\\string-";
+                               } else {
+                                       os << cline;
+                                       if (!trim.empty())
+                                               os << "(" << trim << ")";
+                                       os << "{" << firstcol << '-';
+                               }
+                               os << lastcol << "}";
+                               if (c == ncols() - 1)
+                                       break;
                        }
                }
        }
@@ -2490,7 +2772,7 @@ void Tabular::TeXCellPreamble(otexstream & os, idx_type cell,
                }
                os << "]{" << from_ascii(getPWidth(cell).asLatexString())
                   << "}\n";
-       } else if (getUsebox(cell) == BOX_VARWIDTH) {
+       } else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH) {
                os << "\\begin{varwidth}[";
                switch (valign) {
                case LYX_VALIGN_TOP:
@@ -2520,7 +2802,7 @@ void Tabular::TeXCellPostamble(otexstream & os, idx_type cell,
                os << '}';
        else if (getUsebox(cell) == BOX_MINIPAGE)
                os << breakln << "\\end{minipage}";
-       else if (getUsebox(cell) == BOX_VARWIDTH)
+       else if (getRotateCell(cell) != 0 && getUsebox(cell) == BOX_VARWIDTH)
                os << breakln << "\\end{varwidth}";
        if (getRotateCell(cell) != 0)
                os << breakln << "\\end{turn}";
@@ -2964,6 +3246,25 @@ void Tabular::latex(otexstream & os, OutputParams const & runparams) const
                                        break;
                                }
                                os << 'X';
+                       } else if (isVTypeColumn(c)) {
+                               switch (column_info[c].alignment) {
+                               case LYX_ALIGN_LEFT:
+                                       os << ">{\\raggedright}";
+                                       break;
+                               case LYX_ALIGN_RIGHT:
+                                       os << ">{\\raggedleft}";
+                                       break;
+                               case LYX_ALIGN_CENTER:
+                                       os << ">{\\centering}";
+                                       break;
+                               case LYX_ALIGN_NONE:
+                               case LYX_ALIGN_BLOCK:
+                               case LYX_ALIGN_LAYOUT:
+                               case LYX_ALIGN_SPECIAL:
+                               case LYX_ALIGN_DECIMAL:
+                                       break;
+                               }
+                               os << "V{\\linewidth}";
                        } else {
                                switch (column_info[c].alignment) {
                                case LYX_ALIGN_LEFT:
@@ -3588,7 +3889,8 @@ void Tabular::validate(LaTeXFeatures & features) const
                if (getUsebox(cell) == BOX_VARWIDTH)
                        features.require("varwidth");
                if (getVAlignment(cell) != LYX_VALIGN_TOP
-                   || !getPWidth(cell).zero())
+                   || !getPWidth(cell).zero()
+                   || isVTypeColumn(cellColumn(cell)))
                        features.require("array");
                // Tell footnote that we need a savenote
                // environment in non-long tables or
@@ -3604,17 +3906,19 @@ void Tabular::validate(LaTeXFeatures & features) const
 }
 
 
-Tabular::BoxType Tabular::useParbox(idx_type cell) const
+Tabular::BoxType Tabular::useBox(idx_type cell) const
 {
        ParagraphList const & parlist = cellInset(cell)->paragraphs();
+       if (parlist.size() > 1)
+               return BOX_VARWIDTH;
+
        ParagraphList::const_iterator cit = parlist.begin();
        ParagraphList::const_iterator end = parlist.end();
-       bool const turned = getRotateCell(cell) != 0;
 
        for (; cit != end; ++cit)
                for (int i = 0; i < cit->size(); ++i)
-                       if (cit->isNewline(i))
-                               return turned ? BOX_VARWIDTH : BOX_PARBOX;
+                       if (cit->isNewline(i) || cit->layout().isEnvironment())
+                               return BOX_VARWIDTH;
 
        return BOX_NONE;
 }
@@ -3628,13 +3932,13 @@ Tabular::BoxType Tabular::useParbox(idx_type cell) const
 
 InsetTableCell::InsetTableCell(Buffer * buf)
        : InsetText(buf, InsetText::PlainLayout), isFixedWidth(false),
-         contentAlign(LYX_ALIGN_CENTER)
+         isMultiColumn(false), isMultiRow(false), contentAlign(LYX_ALIGN_CENTER)
 {}
 
 
 bool InsetTableCell::forcePlainLayout(idx_type) const
 {
-       return !isFixedWidth;
+       return isMultiRow || (isMultiColumn && !isFixedWidth);
 }
 
 
@@ -3701,6 +4005,33 @@ docstring InsetTableCell::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 }
 
 
+void InsetTableCell::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+       TextMetrics & tm = mi.base.bv->textMetrics(&text());
+
+       // Hand font through to contained lyxtext:
+       tm.font_.fontInfo() = mi.base.font;
+       mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
+
+       // This can happen when a layout has a left and right margin,
+       // and the view is made very narrow. We can't do better than
+       // to draw it partly out of view (bug 5890).
+       if (mi.base.textwidth < 1)
+               mi.base.textwidth = 1;
+
+       // We tell metrics here not to expand on multiple pars
+       // This is the difference to InsetText::Metrics
+       if (hasFixedWidth())
+               tm.metrics(mi, dim, mi.base.textwidth, false);
+       else
+               tm.metrics(mi, dim, 0, false);
+       mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
+       dim.asc += TEXT_TO_INSET_OFFSET;
+       dim.des += TEXT_TO_INSET_OFFSET;
+       dim.wid += 2 * TEXT_TO_INSET_OFFSET;
+}
+
+
 
 /////////////////////////////////////////////////////////////////////
 //
@@ -3846,8 +4177,10 @@ void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
                        Length const p_width = tabular.getPWidth(cell);
                        if (!p_width.zero())
                                m.base.textwidth = mi.base.inPixels(p_width);
+                       else if (tabular.column_info[c].varwidth)
+                               m.base.textwidth = tabular.column_info[c].width;
                        tabular.cellInset(cell)->metrics(m, dim0);
-                       if (!p_width.zero())
+                       if (!p_width.zero() || tabular.column_info[c].varwidth)
                                dim0.wid = m.base.textwidth;
                        tabular.cellInfo(cell).width = dim0.wid + 2 * WIDTH_OF_LINE
                                + tabular.interColumnSpace(cell);
@@ -3914,15 +4247,17 @@ void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
                tabular.setRowDescent(r, maxdes + ADD_TO_HEIGHT + bottom_space);
        }
 
-       tabular.updateColumnWidths();
+       // We need to recalculate the metrics after column width calculation
+       // with xtabular (possibly multiple times, so the call is recursive).
+       if (tabular.updateColumnWidths(mi) && tabular.hasVarwidthColumn())
+               metrics(mi, dim);
        dim.asc = tabular.rowAscent(0) - tabular.offsetVAlignment();
        dim.des = tabular.height() - dim.asc;
        dim.wid = tabular.width() + 2 * ADD_TO_TABULAR_WIDTH;
 }
 
 
-bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col)
-       const
+bool InsetTabular::isCellSelected(Cursor & cur, row_type row, col_type col) const
 {
        if (&cur.inset() == this && cur.selection()) {
                if (cur.selIsMultiCell()) {
@@ -4060,35 +4395,73 @@ void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
 }
 
 
+namespace {
+
+void tabline(PainterInfo const & pi, int x1, int y1, int x2, int y2, int lt, int rt,
+             bool drawline, bool heavy = false)
+{
+       ColorCode const col = drawline ? Color_tabularline : Color_tabularonoffline;
+       if (drawline && lt > 0)
+               pi.pain.line(x1, y1, x1 + lt, y2, pi.textColor(Color_tabularonoffline),
+                                        Painter::line_onoffdash,
+                                        Painter::thin_line);
+       pi.pain.line(x1 + lt, y1, x2 - rt, y2, pi.textColor(col),
+                                drawline ? Painter::line_solid : Painter::line_onoffdash,
+                                (heavy ? 2 : 1) * Painter::thin_line);
+       if (drawline && rt > 0)
+               pi.pain.line(x2 - rt, y1, x2, y2, pi.textColor(Color_tabularonoffline),
+                                        Painter::line_onoffdash,
+                                        Painter::thin_line);
+}
+
+}
+
+
 void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
                                 row_type row, idx_type cell) const
 {
        y -= tabular.rowAscent(row);
        int const w = tabular.cellWidth(cell);
        int const h = tabular.cellHeight(cell);
-       Color const linecolor = pi.textColor(Color_tabularline);
-       Color const gridcolor = pi.textColor(Color_tabularonoffline);
+       int lt = 0;
+       int rt = 0;
+
+       col_type const col = tabular.cellColumn(cell);
 
        // Top
        bool drawline = tabular.topLine(cell)
                || (row > 0 && tabular.bottomLine(tabular.cellAbove(cell)));
-       pi.pain.line(x, y, x + w, y,
-               drawline ? linecolor : gridcolor,
-               drawline ? Painter::line_solid : Painter::line_onoffdash);
+       bool heavy = tabular.use_booktabs && row == 0 && tabular.rowTopLine(row);
+       if (tabular.topLineTrim(cell).first
+           || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).first))
+               lt = 10;
+       if (tabular.topLineTrim(cell).second
+           || (row > 0 && tabular.bottomLineTrim(tabular.cellIndex(row - 1, col)).second))
+               rt = 10;
+       tabline(pi, x, y, x + w, y, lt, rt, drawline, heavy);
 
        // Bottom
+       lt = rt = 0;
        drawline = tabular.bottomLine(cell);
-       pi.pain.line(x, y + h, x + w, y + h,
-               drawline ? linecolor : gridcolor,
-               drawline ? Painter::line_solid : Painter::line_onoffdash);
+       row_type const lastrow = tabular.nrows() - 1;
+       // Consider multi-rows
+       row_type r = row;
+       while (r < lastrow && tabular.isMultiRow(tabular.cellIndex(r, col))
+               && tabular.isPartOfMultiRow(r + 1, col))
+               r++;
+       heavy = tabular.use_booktabs
+               && ((row == lastrow && tabular.rowBottomLine(row))
+                   || (r == lastrow && tabular.rowBottomLine(r)));
+       if (tabular.bottomLineTrim(cell).first)
+               lt = 10;
+       if (tabular.bottomLineTrim(cell).second)
+               rt = 10;
+       tabline(pi, x, y + h, x + w, y + h, lt, rt, drawline, heavy);
 
        // Left
-       col_type const col = tabular.cellColumn(cell);
        drawline = tabular.leftLine(cell)
                || (col > 0 && tabular.rightLine(tabular.cellIndex(row, col - 1)));
-       pi.pain.line(x, y, x, y + h,
-               drawline ? linecolor : gridcolor,
-               drawline ? Painter::line_solid : Painter::line_onoffdash);
+       tabline(pi, x, y, x, y + h, 0, 0, drawline);
 
        // Right
        x -= tabular.interColumnSpace(cell);
@@ -4099,9 +4472,7 @@ void InsetTabular::drawCellLines(PainterInfo & pi, int x, int y,
        drawline = tabular.rightLine(cell)
                   || (next_cell_col < tabular.ncols()
                       && tabular.leftLine(tabular.cellIndex(row, next_cell_col)));
-       pi.pain.line(x + w, y, x + w, y + h,
-               drawline ? linecolor : gridcolor,
-               drawline ? Painter::line_solid : Painter::line_onoffdash);
+       tabline(pi, x + w, y, x + w, y + h, 0, 0, drawline);
 }
 
 
@@ -4611,6 +4982,18 @@ void InsetTabular::doDispatch(Cursor & cur, FuncRequest & cmd)
 
        case LFUN_PASTE:
                if (!tabularStackDirty()) {
+                       // Check if we have plain text or HTML with rows/columns.
+                       // and if so, pass over to LFUN_CLIPBOARD_PASTE
+                       if (theClipboard().hasTextContents(Clipboard::AnyTextType)
+                           && !theClipboard().hasTextContents(Clipboard::LyXTextType)) {
+                               docstring const clip =
+                                       theClipboard().getAsText(Clipboard::AnyTextType);
+                               if (clip.find_first_of(from_ascii("\t\n")) != docstring::npos) {
+                                       FuncRequest ncmd = FuncRequest(LFUN_CLIPBOARD_PASTE, cmd.argument());
+                                       doDispatch(cur, ncmd);
+                                       break;
+                               }
+                       }
                        if (!cur.selIsMultiCell())
                                cell(cur.idx())->dispatch(cur, cmd);
                        break;
@@ -4811,10 +5194,15 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
 
                case Tabular::SET_ALL_LINES:
                case Tabular::UNSET_ALL_LINES:
+               case Tabular::SET_INNER_LINES:
                case Tabular::SET_BORDER_LINES:
                        status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
                        break;
 
+               case Tabular::RESET_FORMAL_DEFAULT:
+                       status.setEnabled(tabular.use_booktabs);
+                       break;
+
                case Tabular::SET_LINE_TOP:
                case Tabular::SET_LINE_BOTTOM:
                        status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
@@ -4826,6 +5214,20 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
                                          && !tabular.ltCaption(tabular.cellRow(cur.idx())));
                        break;
 
+               case Tabular::SET_LTRIM_TOP:
+               case Tabular::SET_RTRIM_TOP:
+                       status.setEnabled(tabular.use_booktabs
+                                         && tabular.cellRow(cur.idx()) != 0
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       break;
+
+               case Tabular::SET_LTRIM_BOTTOM:
+               case Tabular::SET_RTRIM_BOTTOM:
+                       status.setEnabled(tabular.use_booktabs
+                                         && tabular.cellRow(cur.idx()) != tabular.nrows() - 1
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       break;
+
                case Tabular::TOGGLE_LINE_TOP:
                        status.setEnabled(!tabular.ltCaption(tabular.cellRow(cur.idx())));
                        status.setOnOff(tabular.topLine(cur.idx()));
@@ -4848,6 +5250,30 @@ bool InsetTabular::getFeatureStatus(Cursor & cur, string const & s,
                        status.setOnOff(tabular.rightLine(cur.idx()));
                        break;
 
+               case Tabular::TOGGLE_LTRIM_TOP:
+                       status.setEnabled(tabular.use_booktabs
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       status.setOnOff(tabular.topLineTrim(cur.idx()).first);
+                       break;
+
+               case Tabular::TOGGLE_RTRIM_TOP:
+                       status.setEnabled(tabular.use_booktabs
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       status.setOnOff(tabular.topLineTrim(cur.idx()).second);
+                       break;
+
+               case Tabular::TOGGLE_LTRIM_BOTTOM:
+                       status.setEnabled(tabular.use_booktabs
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       status.setOnOff(tabular.bottomLineTrim(cur.idx()).first);
+                       break;
+
+               case Tabular::TOGGLE_RTRIM_BOTTOM:
+                       status.setEnabled(tabular.use_booktabs
+                                         && !tabular.ltCaption(tabular.cellRow(cur.idx())));
+                       status.setOnOff(tabular.bottomLineTrim(cur.idx()).second);
+                       break;
+
                // multirow cells only inherit the alignment of the column if the column has
                // no width, otherwise they are left-aligned
                // therefore allow always left but right and center only if there is no width
@@ -5158,6 +5584,7 @@ bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
        // disable these with multiple cells selected
        case LFUN_INSET_INSERT:
        case LFUN_TABULAR_INSERT:
+       case LFUN_TABULAR_STYLE_INSERT:
        case LFUN_FLEX_INSERT:
        case LFUN_FLOAT_INSERT:
        case LFUN_FLOAT_WIDE_INSERT:
@@ -5190,13 +5617,13 @@ bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
                        return true;
                }
                // fall through
-       case LFUN_NEWLINE_INSERT: {
-               if (tabular.getPWidth(cur.idx()).zero()) {
+       case LFUN_NEWLINE_INSERT:
+               if ((tabular.isMultiColumn(cur.idx()) || tabular.isMultiRow(cur.idx()))
+                   && tabular.getPWidth(cur.idx()).zero()) {
                        status.setEnabled(false);
                        return true;
-               } else
-                       return cell(cur.idx())->getStatus(cur, cmd, status);
-       }
+               }
+               return cell(cur.idx())->getStatus(cur, cmd, status);
 
        case LFUN_NEWPAGE_INSERT:
                status.setEnabled(false);
@@ -5621,6 +6048,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
        row_type sel_row_start;
        row_type sel_row_end;
        bool setLines = false;
+       bool setLinesInnerOnly = false;
        LyXAlignment setAlign = LYX_ALIGN_LEFT;
        Tabular::VAlignment setVAlign = Tabular::LYX_VALIGN_TOP;
 
@@ -5682,10 +6110,12 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
        case Tabular::SET_PWIDTH: {
                Length const len(value);
-               tabular.setColumnPWidth(cur, cur.idx(), len);
-               if (len.zero()
-                   && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
-                       tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
+               for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
+                       tabular.setColumnPWidth(cur, tabular.cellIndex(row, c), len);
+                       if (len.zero()
+                           && tabular.getAlignment(tabular.cellIndex(row, c), true) == LYX_ALIGN_BLOCK)
+                               tabularFeatures(cur, Tabular::ALIGN_CENTER, string());
+               }
                break;
        }
 
@@ -5695,7 +6125,8 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
        case Tabular::TOGGLE_VARWIDTH_COLUMN: {
                bool const varwidth = value == "on";
-               tabular.toggleVarwidth(cur.idx(), varwidth);
+               for (col_type c = sel_col_start; c <= sel_col_end; ++c)
+                       tabular.toggleVarwidth(tabular.cellIndex(row, c), varwidth);
                break;
        }
 
@@ -5724,9 +6155,12 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 
        case Tabular::DELETE_ROW:
                if (sel_row_end == tabular.nrows() - 1 && sel_row_start != 0) {
-                       for (col_type c = 0; c < tabular.ncols(); c++)
+                       for (col_type c = 0; c < tabular.ncols(); c++) {
                                tabular.setBottomLine(tabular.cellIndex(sel_row_start - 1, c),
                                        tabular.bottomLine(tabular.cellIndex(sel_row_end, c)));
+                               tabular.setBottomLineTrim(tabular.cellIndex(sel_row_start - 1, c),
+                                       tabular.bottomLineTrim(tabular.cellIndex(sel_row_end, c)));
+                       }
                }
 
                for (row_type r = sel_row_start; r <= sel_row_end; ++r)
@@ -5811,6 +6245,46 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                break;
        }
 
+       case Tabular::SET_LTRIM_TOP:
+       case Tabular::TOGGLE_LTRIM_TOP: {
+               bool l = (feature == Tabular::SET_LTRIM_TOP)
+                              ? (value == "true") : !tabular.topLineTrim(cur.idx()).first;
+               for (row_type r = sel_row_start; r <= sel_row_end; ++r)
+                       for (col_type c = sel_col_start; c <= sel_col_end; ++c)
+                               tabular.setTopLineLTrim(tabular.cellIndex(r, c), l);
+               break;
+       }
+
+       case Tabular::SET_RTRIM_TOP:
+       case Tabular::TOGGLE_RTRIM_TOP: {
+               bool l = (feature == Tabular::SET_RTRIM_TOP)
+                              ? (value == "true") : !tabular.topLineTrim(cur.idx()).second;
+               for (row_type r = sel_row_start; r <= sel_row_end; ++r)
+                       for (col_type c = sel_col_start; c <= sel_col_end; ++c)
+                               tabular.setTopLineRTrim(tabular.cellIndex(r, c), l);
+               break;
+       }
+
+       case Tabular::SET_LTRIM_BOTTOM:
+       case Tabular::TOGGLE_LTRIM_BOTTOM: {
+               bool l = (feature == Tabular::SET_LTRIM_BOTTOM)
+                              ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).first;
+               for (row_type r = sel_row_start; r <= sel_row_end; ++r)
+                       for (col_type c = sel_col_start; c <= sel_col_end; ++c)
+                               tabular.setBottomLineLTrim(tabular.cellIndex(r, c), l);
+               break;
+       }
+
+       case Tabular::SET_RTRIM_BOTTOM:
+       case Tabular::TOGGLE_RTRIM_BOTTOM: {
+               bool l = (feature == Tabular::SET_RTRIM_BOTTOM)
+                              ? (value == "true") : !tabular.bottomLineTrim(cur.idx()).second;
+               for (row_type r = sel_row_start; r <= sel_row_end; ++r)
+                       for (col_type c = sel_col_start; c <= sel_col_end; ++c)
+                               tabular.setBottomLineRTrim(tabular.cellIndex(r, c), l);
+               break;
+       }
+
        case Tabular::SET_LINE_LEFT:
        case Tabular::TOGGLE_LINE_LEFT: {
                bool lineSet = (feature == Tabular::SET_LINE_LEFT)
@@ -5863,7 +6337,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                        // just multicol for one single cell
                        // check whether we are completely in a multicol
                        if (!tabular.isMultiColumn(cur.idx()))
-                               tabular.setMultiColumn(cur.idx(), 1,
+                               tabular.setMultiColumn(cur, cur.idx(), 1,
                                        tabular.rightLine(cur.idx()));
                        break;
                }
@@ -5872,7 +6346,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                idx_type const s_start = cur.selBegin().idx();
                row_type const col_start = tabular.cellColumn(s_start);
                row_type const col_end = tabular.cellColumn(cur.selEnd().idx());
-               cur.idx() = tabular.setMultiColumn(s_start, col_end - col_start + 1,
+               cur.idx() = tabular.setMultiColumn(cur, s_start, col_end - col_start + 1,
                                                   tabular.rightLine(cur.selEnd().idx()));
                cur.pit() = 0;
                cur.pos() = 0;
@@ -5918,7 +6392,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                        // just multirow for one single cell
                        // check whether we are completely in a multirow
                        if (!tabular.isMultiRow(cur.idx()))
-                               tabular.setMultiRow(cur.idx(), 1,
+                               tabular.setMultiRow(cur, cur.idx(), 1,
                                                    tabular.bottomLine(cur.idx()),
                                                    tabular.getAlignment(cur.idx()));
                        break;
@@ -5928,7 +6402,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                idx_type const s_start = cur.selBegin().idx();
                row_type const row_start = tabular.cellRow(s_start);
                row_type const row_end = tabular.cellRow(cur.selEnd().idx());
-               cur.idx() = tabular.setMultiRow(s_start, row_end - row_start + 1,
+               cur.idx() = tabular.setMultiRow(cur, s_start, row_end - row_start + 1,
                                                tabular.bottomLine(cur.selEnd().idx()),
                                                tabular.getAlignment(cur.selEnd().idx()));
                cur.pit() = 0;
@@ -5970,6 +6444,9 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                break;
        }
 
+       case Tabular::SET_INNER_LINES:
+               setLinesInnerOnly = true;
+               // fall through
        case Tabular::SET_ALL_LINES:
                setLines = true;
                // fall through
@@ -5977,13 +6454,30 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                for (row_type r = sel_row_start; r <= sel_row_end; ++r)
                        for (col_type c = sel_col_start; c <= sel_col_end; ++c) {
                                idx_type const cell = tabular.cellIndex(r, c);
-                               tabular.setTopLine(cell, setLines);
-                               tabular.setBottomLine(cell, setLines);
-                               tabular.setRightLine(cell, setLines);
-                               tabular.setLeftLine(cell, setLines);
+                               if (!setLinesInnerOnly || r != sel_row_start)
+                                       tabular.setTopLine(cell, setLines);
+                               if ((!setLinesInnerOnly || r != sel_row_end)
+                                   && (!setLines || r == sel_row_end))
+                                       tabular.setBottomLine(cell, setLines);
+                               if ((!setLinesInnerOnly || c != sel_col_end)
+                                   && (!setLines || c == sel_col_end))
+                                       tabular.setRightLine(cell, setLines);
+                               if ((!setLinesInnerOnly || c != sel_col_start))
+                                       tabular.setLeftLine(cell, setLines);
                        }
                break;
 
+       case Tabular::RESET_FORMAL_DEFAULT:
+               for (row_type r = 0; r < tabular.nrows(); ++r) {
+                       bool const head_or_foot = r == 0 || r == tabular.nrows() - 1;
+                       for (col_type c = 0; c < tabular.ncols(); ++c) {
+                               idx_type const cell = tabular.cellIndex(r, c);
+                               tabular.setTopLine(cell, head_or_foot);
+                               tabular.setBottomLine(cell, head_or_foot);
+                       }
+               }
+               break;
+
        case Tabular::SET_BORDER_LINES:
                for (row_type r = sel_row_start; r <= sel_row_end; ++r) {
                        tabular.setLeftLine(tabular.cellIndex(r, sel_col_start), true);
@@ -6055,8 +6549,6 @@ void InsetTabular::tabularFeatures(Cursor & cur,
                tabular.longtabular_alignment = Tabular::LYX_LONGTABULAR_ALIGN_RIGHT;
                break;
 
-
-
        case Tabular::SET_ROTATE_CELL:
                for (row_type r = sel_row_start; r <= sel_row_end; ++r)
                        for (col_type c = sel_col_start; c <= sel_col_end; ++c)
@@ -6141,7 +6633,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
        case Tabular::SET_LTCAPTION: {
                if (tabular.ltCaption(row))
                        break;
-               cur.idx() = tabular.setLTCaption(row, true);
+               cur.idx() = tabular.setLTCaption(cur, row, true);
                cur.pit() = 0;
                cur.pos() = 0;
                cur.selection(false);
@@ -6157,7 +6649,7 @@ void InsetTabular::tabularFeatures(Cursor & cur,
        case Tabular::UNSET_LTCAPTION: {
                if (!tabular.ltCaption(row))
                        break;
-               cur.idx() = tabular.setLTCaption(row, false);
+               cur.idx() = tabular.setLTCaption(cur, row, false);
                cur.pit() = 0;
                cur.pos() = 0;
                cur.selection(false);
@@ -6457,7 +6949,7 @@ bool InsetTabular::allowParagraphCustomization(idx_type cell) const
 
 bool InsetTabular::forcePlainLayout(idx_type cell) const
 {
-       return !tabular.getPWidth(cell).zero();
+       return tabular.isMultiColumn(cell) && !tabular.getPWidth(cell).zero();
 }
 
 
@@ -6505,20 +6997,26 @@ bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
        }
 
        size_t op = 0;
-       idx_type const cells = loctab->numberofcells;
+       idx_type cells = loctab->numberofcells;
        p = 0;
        cols = ocol;
        rows = loctab->nrows();
-       col_type const columns = loctab->ncols();
+       col_type columns = loctab->ncols();
 
-       while (cell < cells && p < len && row < rows &&
+       while (p < len &&
               (p = buf.find_first_of(from_ascii("\t\n"), p)) != docstring::npos)
        {
                if (p >= len)
                        break;
                switch (buf[p]) {
                case '\t':
-                       // we can only set this if we are not too far right
+                       // append column if necessary
+                       if (cols == columns) {
+                               loctab->appendColumn(cols - 1);
+                               columns = loctab->ncols();
+                               cells = loctab->numberofcells;
+                               ++cell;
+                       }
                        if (cols < columns) {
                                shared_ptr<InsetTableCell> inset = loctab->cellInset(cell);
                                Font const font = bv.textMetrics(&inset->text()).
@@ -6540,6 +7038,12 @@ bool InsetTabular::insertPlaintextString(BufferView & bv, docstring const & buf,
                        }
                        cols = ocol;
                        ++row;
+                       // append row if necessary
+                       if (row == rows && p < len - 1) {
+                               loctab->appendRow(row - 1);
+                               rows = loctab->nrows();
+                               cells = loctab->numberofcells;
+                       }
                        if (row < rows)
                                cell = loctab->cellIndex(row, cols);
                        break;