]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/InsetMathGrid.cpp
Merge branch 'master' of git.lyx.org:lyx
[lyx.git] / src / mathed / InsetMathGrid.cpp
index 52c8b2888469bbe4d4e73d23c90e4208aba8a452..e74d549c48506c91113e462d0345d2b518847664 100644 (file)
 
 #include "InsetMathGrid.h"
 
+#include "InsetMathUnknown.h"
 #include "MathData.h"
 #include "MathParser.h"
 #include "MathStream.h"
 #include "MetricsInfo.h"
 
+#include "Buffer.h"
 #include "BufferView.h"
 #include "CutAndPaste.h"
 #include "FuncStatus.h"
@@ -41,6 +43,7 @@ using namespace std;
 using namespace lyx::support;
 
 
+
 namespace lyx {
 
 static docstring verboseHLine(int n)
@@ -65,9 +68,9 @@ static int extractInt(istream & is)
 static void resetGrid(InsetMathGrid & grid)
 {
        while (grid.ncols() > 1)
-               grid.delCol(grid.ncols());
+               grid.delCol(grid.ncols() - 1);
        while (grid.nrows() > 1)
-               grid.delRow(grid.nrows());
+               grid.delRow(grid.nrows() - 1);
        grid.cell(0).erase(0, grid.cell(0).size());
        grid.setDefaults();
 }
@@ -174,6 +177,22 @@ void InsetMathGrid::setDefaults()
 }
 
 
+bool InsetMathGrid::interpretString(Cursor & cur, docstring const & str)
+{
+       if (str == "\\hline") {
+               FuncRequest fr = FuncRequest(LFUN_INSET_MODIFY, "tabular add-hline-above");
+               FuncStatus status;
+               if (getStatus(cur, fr, status)) {
+                       if (status.enabled()) {
+                               rowinfo_[cur.row()].lines_++;
+                               return true;
+                       }
+               }
+       }
+       return InsetMathNest::interpretString(cur, str);
+}
+
+
 void InsetMathGrid::setHorizontalAlignments(docstring const & hh)
 {
        col_type col = 0;
@@ -379,8 +398,8 @@ void InsetMathGrid::metrics(MetricsInfo & mi, Dimension & dim) const
        // compute vertical offsets
        rowinfo_[0].offset_ = 0;
        for (row_type row = 1; row <= nrows(); ++row) {
-               rowinfo_[row].offset_  =
-                       rowinfo_[row - 1].offset_  +
+               rowinfo_[row].offset_ =
+                       rowinfo_[row - 1].offset_ +
                        rowinfo_[row - 1].descent_ +
                        rowinfo_[row - 1].skipPixels(mi) +
                        rowsep() +
@@ -425,20 +444,20 @@ void InsetMathGrid::metrics(MetricsInfo & mi, Dimension & dim) const
        }
 
 
-       dim.wid   =   colinfo_[ncols() - 1].offset_
-                      + colinfo_[ncols() - 1].width_
-                + vlinesep() * colinfo_[ncols()].lines_
-                      + border();
+       dim.wid = colinfo_[ncols() - 1].offset_
+               + colinfo_[ncols() - 1].width_
+               + vlinesep() * colinfo_[ncols()].lines_
+               + border();
 
-       dim.asc  = - rowinfo_[0].offset_
-                      + rowinfo_[0].ascent_
-                + hlinesep() * rowinfo_[0].lines_
-                      + border();
+       dim.asc = - rowinfo_[0].offset_
+               + rowinfo_[0].ascent_
+               + hlinesep() * rowinfo_[0].lines_
+               + border();
 
-       dim.des =   rowinfo_[nrows() - 1].offset_
-                      + rowinfo_[nrows() - 1].descent_
-                + hlinesep() * rowinfo_[nrows()].lines_
-                      + border();
+       dim.des = rowinfo_[nrows() - 1].offset_
+               + rowinfo_[nrows() - 1].descent_
+               + hlinesep() * rowinfo_[nrows()].lines_
+               + border();
 
 
 /*
@@ -634,7 +653,16 @@ void InsetMathGrid::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
 }
 
 
-docstring InsetMathGrid::eolString(row_type row, bool fragile) const
+void InsetMathGrid::updateBuffer(ParIterator const & it, UpdateType utype)
+{
+       // pass down
+       for (idx_type idx = 0; idx < nargs(); ++idx)
+               cell(idx).updateBuffer(it, utype);
+}
+
+
+docstring InsetMathGrid::eolString(row_type row, bool fragile,
+               bool /*latex*/, bool last_eoln) const
 {
        docstring eol;
 
@@ -646,13 +674,13 @@ docstring InsetMathGrid::eolString(row_type row, bool fragile) const
        // make sure an upcoming '[' does not break anything
        if (row + 1 < nrows()) {
                MathData const & c = cell(index(row + 1, 0));
-               if (c.size() && c.front()->getChar() == '[')
+               if (!c.empty() && c.front()->getChar() == '[')
                        //eol += "[0pt]";
                        eol += "{}";
        }
 
        // only add \\ if necessary
-       if (eol.empty() && row + 1 == nrows())
+       if (eol.empty() && row + 1 == nrows() && (nrows() == 1 || !last_eoln))
                return docstring();
 
        return (fragile ? "\\protect\\\\" : "\\\\") + eol;
@@ -677,17 +705,6 @@ void InsetMathGrid::addRow(row_type row)
 }
 
 
-void InsetMathGrid::appendRow()
-{
-       rowinfo_.push_back(RowInfo());
-       //cells_.insert(cells_.end(), ncols(), MathData());
-       for (col_type col = 0; col < ncols(); ++col) {
-               cells_.push_back(cells_type::value_type());
-               cellinfo_.push_back(CellInfo());
-       }
-}
-
-
 void InsetMathGrid::delRow(row_type row)
 {
        if (nrows() == 1)
@@ -788,7 +805,7 @@ int InsetMathGrid::cellXOffset(BufferView const & bv, idx_type idx) const
 {
        col_type c = col(idx);
        int x = colinfo_[c].offset_;
-       char align = colinfo_[c].align_;
+       char align = displayColAlign(c, row(idx));
        Dimension const & celldim = cell(idx).dimension(bv);
        if (align == 'r' || align == 'R')
                x += colinfo_[c].width_ - celldim.wid;
@@ -888,7 +905,7 @@ bool InsetMathGrid::idxDelete(idx_type & idx)
 
        // try to delete entire sequence of ncols() empty cells if possible
        for (idx_type i = idx; i < idx + ncols(); ++i)
-               if (cell(i).size())
+               if (!cell(i).empty())
                        return false;
 
        // move cells if necessary
@@ -967,19 +984,54 @@ void InsetMathGrid::normalize(NormalStream & os) const
 }
 
 
-// FIXME We might want to check here if we actually have any
-// kind of table structure, and only output the surrounding
-// tags if we do, otherwise just outputting <mrow>.
 void InsetMathGrid::mathmlize(MathStream & os) const
 {
-       os << MTag("mtable");
+       bool const havetable = nrows() > 1 || ncols() > 1;
+       if (havetable)
+               os << MTag("mtable");
+       char const * const celltag = havetable ? "mtd" : "mrow";
        for (row_type row = 0; row < nrows(); ++row) {
-               os << MTag("mtr");
-               for (col_type col = 0; col < ncols(); ++col)
+               if (havetable)
+                       os << MTag("mtr");
+               for (col_type col = 0; col < ncols(); ++col) {
+                       os << MTag(celltag);
+                       os << cell(index(row, col));
+                       os << ETag(celltag);
+               }
+               if (havetable)
+                       os << ETag("mtr");
+       }
+       if (havetable)
+               os << ETag("mtable");
+}
+
+
+// FIXME XHTML
+// We need to do something about alignment here.
+void InsetMathGrid::htmlize(HtmlStream & os, string attrib) const
+{
+       bool const havetable = nrows() > 1 || ncols() > 1;
+       if (!havetable) {
+               os << cell(index(0, 0));
+               return;
+       }
+       os << MTag("table", attrib);
+       for (row_type row = 0; row < nrows(); ++row) {
+               os << MTag("tr");
+               for (col_type col = 0; col < ncols(); ++col) {
+                       os << MTag("td");
                        os << cell(index(row, col));
-               os << ETag("mtr");
+                       os << ETag("td");
+               }
+               os << ETag("tr");
        }
-       os << ETag("mtable");
+       os << ETag("table");
+}
+
+
+void InsetMathGrid::htmlize(HtmlStream & os) const
+{
+       htmlize(os, "class='mathtable'");
 }
 
 
@@ -994,29 +1046,29 @@ void InsetMathGrid::write(WriteStream & os,
 {
        MathEnsurer ensurer(os, false);
        docstring eol;
-       LYXERR0( " " << beg_col << " " << end_col );
-
-       LYXERR0( (colinfo_[beg_col].lines_) );
-       LYXERR0( (colinfo_[end_col].lines_) );
        for (row_type row = beg_row; row < end_row; ++row) {
                os << verboseHLine(rowinfo_[row].lines_);
                // don't write & and empty cells at end of line,
                // unless there are vertical lines
                col_type lastcol = 0;
                bool emptyline = true;
-               for (col_type col = beg_col; col < end_col; ++col)
-                       if (!cell(index(row, col)).empty()
-                                 || colinfo_[col + 1].lines_) {
+               bool last_eoln = true;
+               for (col_type col = beg_col; col < end_col; ++col) {
+                       bool const empty_cell = cell(index(row, col)).empty();
+                       if (!empty_cell)
+                               last_eoln = false;
+                       if (!empty_cell || colinfo_[col + 1].lines_) {
                                lastcol = col + 1;
                                emptyline = false;
                        }
+               }
                for (col_type col = beg_col; col < lastcol; ++col) {
                        os << cell(index(row, col));
                        if (os.pendingBrace())
                                ModeSpecifier specifier(os, TEXT_MODE);
                        os << eocString(col, lastcol);
                }
-               eol = eolString(row, os.fragile());
+               eol = eolString(row, os.fragile(), os.latex(), last_eoln);
                os << eol;
                // append newline only if line wasn't completely empty
                // and the formula is not written on a single line
@@ -1086,7 +1138,8 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 
        Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
 
-       switch (cmd.action) {
+       FuncCode const act = cmd.action();
+       switch (act) {
 
        // insert file functions
        case LFUN_LINE_DELETE:
@@ -1144,18 +1197,23 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
                if (cur.idx() > 0)
                        --cur.idx();
                cur.pos() = cur.lastpos();
-
+               cur.forceBufferUpdate();
                //mathcursor->normalize();
                //cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
                break;
        }
 
-       case LFUN_TABULAR_FEATURE: {
+       case LFUN_INSET_MODIFY: {
                cur.recordUndoInset();
                //lyxerr << "handling tabular-feature " << to_utf8(cmd.argument()) << endl;
                istringstream is(to_utf8(cmd.argument()));
                string s;
                is >> s;
+               if (s != "tabular") {
+                       InsetMathNest::doDispatch(cur, cmd);
+                       return;
+               }
+               is >> s;
                if (s == "valign-top")
                        setVerticalAlignment('t');
                else if (s == "valign-middle")
@@ -1291,11 +1349,25 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
                                mathed_parse_normal(grid, topaste, parseflg | Parse::VERBATIM);
                        }
 
+               bool hline_enabled = false;
+               FuncRequest fr = FuncRequest(LFUN_INSET_MODIFY, "tabular add-hline-above");
+               FuncStatus status;
+               if (getStatus(cur, fr, status))
+                       hline_enabled = status.enabled();
                if (grid.nargs() == 1) {
                        // single cell/part of cell
-                       cur.recordUndo();
+                       cur.recordUndoInset();
                        cur.cell().insert(cur.pos(), grid.cell(0));
                        cur.pos() += grid.cell(0).size();
+                       if (hline_enabled)
+                               rowinfo_[cur.row()].lines_ += grid.rowinfo_[0].lines_;
+                       else {
+                               for (unsigned int l = 0; l < grid.rowinfo_[0].lines_; ++l) {
+                                        cur.cell().insert(0,
+                                               MathAtom(new InsetMathUnknown(from_ascii("\\hline"))));
+                                        cur.pos()++;
+                               }
+                       }
                } else {
                        // multiple cells
                        cur.recordUndoInset();
@@ -1308,6 +1380,15 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
                                        idx_type i = index(r + cur.row(), c + col(cur.idx()));
                                        cell(i).insert(0, grid.cell(grid.index(r, c)));
                                }
+                               if (hline_enabled)
+                                       rowinfo_[r].lines_ += grid.rowinfo_[r].lines_;
+                               else {
+                                       for (unsigned int l = 0; l < grid.rowinfo_[r].lines_; ++l) {
+                                               idx_type i = index(r + cur.row(), 0);
+                                               cell(i).insert(0,
+                                                       MathAtom(new InsetMathUnknown(from_ascii("\\hline"))));
+                                       }
+                               }
                                // append the left over horizontal cells to the last column
                                idx_type i = index(r + cur.row(), ncols() - 1);
                                for (InsetMath::col_type c = numcols; c < grid.ncols(); ++c)
@@ -1315,11 +1396,23 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
                        }
                        // 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 (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)));
+                               if (hline_enabled)
+                                       rowinfo_[r].lines_ += grid.rowinfo_[r].lines_;
+                               else {
+                                       for (unsigned int l = 0; l < grid.rowinfo_[r].lines_; ++l) {
+                                               cell(i).insert(0,
+                                                       MathAtom(new InsetMathUnknown(from_ascii("\\hline"))));
+                                       }
+                               }
+                       }
                }
                cur.clearSelection(); // bug 393
+               // FIXME audit setBuffer calls
+               cur.inset().setBuffer(*buffer_);
+               cur.forceBufferUpdate();
                cur.finishUndo();
                break;
        }
@@ -1330,9 +1423,9 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_WORD_BACKWARD:
        case LFUN_WORD_LEFT_SELECT:
        case LFUN_WORD_LEFT:
-               cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
-                               cmd.action == LFUN_WORD_LEFT_SELECT ||
-                               cmd.action == LFUN_LINE_BEGIN_SELECT);
+               cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
+                               act == LFUN_WORD_LEFT_SELECT ||
+                               act == LFUN_LINE_BEGIN_SELECT);
                cur.macroModeClose();
                if (cur.pos() != 0) {
                        cur.pos() = 0;
@@ -1354,9 +1447,9 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_WORD_RIGHT:
        case LFUN_LINE_END_SELECT:
        case LFUN_LINE_END:
-               cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
-                               cmd.action == LFUN_WORD_RIGHT_SELECT ||
-                               cmd.action == LFUN_LINE_END_SELECT);
+               cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
+                               act == LFUN_WORD_RIGHT_SELECT ||
+                               act == LFUN_LINE_END_SELECT);
                cur.macroModeClose();
                cur.clearTargetX();
                if (cur.pos() != cur.lastpos()) {
@@ -1382,9 +1475,23 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 bool InsetMathGrid::getStatus(Cursor & cur, FuncRequest const & cmd,
                FuncStatus & status) const
 {
-       switch (cmd.action) {
-       case LFUN_TABULAR_FEATURE: {
-               string const s = cmd.getArg(0);
+       switch (cmd.action()) {
+       case LFUN_INSET_MODIFY: {
+               istringstream is(to_utf8(cmd.argument()));
+               string s;
+               is >> s;
+               if (s != "tabular") {
+                       // We only now about table actions here.
+                       break;
+               }
+               if (&cur.inset() != this) {
+                       // Table actions requires that the cursor is _inside_ the
+                       // table.
+                       status.setEnabled(false);
+                       status.message(from_utf8(N_("Cursor not in table")));
+                       return true;
+               }
+               is >> s;
                if (nrows() <= 1 && (s == "delete-row" || s == "swap-row")) {
                        status.setEnabled(false);
                        status.message(from_utf8(N_("Only one row")));
@@ -1465,7 +1572,7 @@ bool InsetMathGrid::getStatus(Cursor & cur, FuncRequest const & cmd,
        }
 
        case LFUN_CELL_SPLIT:
-               status.setEnabled(true);
+               status.setEnabled(cur.idx() != cur.lastidx());
                return true;
 
        case LFUN_CELL_BACKWARD:
@@ -1474,8 +1581,9 @@ bool InsetMathGrid::getStatus(Cursor & cur, FuncRequest const & cmd,
                return true;
 
        default:
-               return InsetMathNest::getStatus(cur, cmd, status);
+               break;
        }
+       return InsetMathNest::getStatus(cur, cmd, status);
 }