lyx_mirror/src/mathed/math_gridinset.C
Georg Baum 331e78d3e0 revert last accidental commit and do the intended one
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14186 a592a061-630c-0410-9148-cb99ea01b6c8
2006-06-23 14:20:49 +00:00

1391 lines
31 KiB
C

/**
* \file math_gridinset.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "math_gridinset.h"
#include "math_data.h"
#include "math_mathmlstream.h"
#include "math_streamstr.h"
#include "BufferView.h"
#include "CutAndPaste.h"
#include "FuncStatus.h"
#include "LColor.h"
#include "cursor.h"
#include "debug.h"
#include "funcrequest.h"
#include "gettext.h"
#include "undo.h"
#include "frontends/Painter.h"
#include "insets/mailinset.h"
#include "support/lstrings.h"
#include <sstream>
using lyx::support::bformat;
using std::endl;
using std::max;
using std::min;
using std::swap;
using std::string;
using std::auto_ptr;
using std::istream;
using std::istringstream;
using std::ostringstream;
using std::vector;
class GridInsetMailer : public MailInset {
public:
GridInsetMailer(MathGridInset & inset) : inset_(inset) {}
///
virtual string const & name() const
{
static string const theName = "tabular";
return theName;
}
///
virtual string const inset2string(Buffer const &) const
{
ostringstream data;
//data << name() << " active_cell " << inset.getActCell() << '\n';
data << name() << " active_cell " << 0 << '\n';
WriteStream ws(data);
inset_.write(ws);
return data.str();
}
protected:
InsetBase & inset() const { return inset_; }
MathGridInset & inset_;
};
void mathed_parse_normal(MathGridInset &, string const & argument);
namespace {
string verboseHLine(int n)
{
string res;
for (int i = 0; i < n; ++i)
res += "\\hline";
if (n)
res += ' ';
return res;
}
int extractInt(istream & is)
{
int num = 1;
is >> num;
return (num == 0) ? 1 : num;
}
}
//////////////////////////////////////////////////////////////
MathGridInset::CellInfo::CellInfo()
: dummy_(false)
{}
//////////////////////////////////////////////////////////////
MathGridInset::RowInfo::RowInfo()
: lines_(0), skip_(0)
{}
int MathGridInset::RowInfo::skipPixels() const
{
return crskip_.inBP();
}
//////////////////////////////////////////////////////////////
MathGridInset::ColInfo::ColInfo()
: align_('c'), lines_(0)
{}
//////////////////////////////////////////////////////////////
MathGridInset::MathGridInset(char v, string const & h)
: MathNestInset(guessColumns(h)),
rowinfo_(2),
colinfo_(guessColumns(h) + 1),
cellinfo_(1 * guessColumns(h))
{
setDefaults();
valign(v);
halign(h);
//lyxerr << "created grid with " << ncols() << " columns" << endl;
}
MathGridInset::MathGridInset()
: MathNestInset(1),
rowinfo_(1 + 1),
colinfo_(1 + 1),
cellinfo_(1),
v_align_('c')
{
setDefaults();
}
MathGridInset::MathGridInset(col_type m, row_type n)
: MathNestInset(m * n),
rowinfo_(n + 1),
colinfo_(m + 1),
cellinfo_(m * n),
v_align_('c')
{
setDefaults();
}
MathGridInset::MathGridInset(col_type m, row_type n, char v, string const & h)
: MathNestInset(m * n),
rowinfo_(n + 1),
colinfo_(m + 1),
cellinfo_(m * n),
v_align_(v)
{
setDefaults();
valign(v);
halign(h);
}
MathGridInset::~MathGridInset()
{
GridInsetMailer mailer(*this);
mailer.hideDialog();
}
auto_ptr<InsetBase> MathGridInset::doClone() const
{
return auto_ptr<InsetBase>(new MathGridInset(*this));
}
MathInset::idx_type MathGridInset::index(row_type row, col_type col) const
{
return col + ncols() * row;
}
void MathGridInset::setDefaults()
{
if (ncols() <= 0)
lyxerr << "positive number of columns expected" << endl;
//if (nrows() <= 0)
// lyxerr << "positive number of rows expected" << endl;
for (col_type col = 0; col < ncols(); ++col) {
colinfo_[col].align_ = defaultColAlign(col);
colinfo_[col].skip_ = defaultColSpace(col);
}
}
void MathGridInset::halign(string const & hh)
{
col_type col = 0;
for (string::const_iterator it = hh.begin(); it != hh.end(); ++it) {
char c = *it;
if (c == '|') {
colinfo_[col].lines_++;
} else if (col >= ncols()) {
// Only '|' is allowed in the last dummy column
break;
} else if (c == 'c' || c == 'l' || c == 'r') {
colinfo_[col].align_ = c;
++col;
colinfo_[col].lines_ = 0;
} else {
lyxerr << "unknown column separator: '" << c << "'" << endl;
}
}
/*
col_type n = hh.size();
if (n > ncols())
n = ncols();
for (col_type col = 0; col < n; ++col)
colinfo_[col].align_ = hh[col];
*/
}
MathGridInset::col_type MathGridInset::guessColumns(string const & hh) const
{
col_type col = 0;
for (string::const_iterator it = hh.begin(); it != hh.end(); ++it)
if (*it == 'c' || *it == 'l' || *it == 'r')
++col;
// let's have at least one column, even if we did not recognize its
// alignment
if (col == 0)
col = 1;
return col;
}
void MathGridInset::halign(char h, col_type col)
{
colinfo_[col].align_ = h;
}
char MathGridInset::halign(col_type col) const
{
return colinfo_[col].align_;
}
string MathGridInset::halign() const
{
string res;
for (col_type col = 0; col < ncols(); ++col) {
res += string(colinfo_[col].lines_, '|');
res += colinfo_[col].align_;
}
return res + string(colinfo_[ncols()].lines_, '|');
}
void MathGridInset::valign(char c)
{
v_align_ = c;
}
char MathGridInset::valign() const
{
return v_align_;
}
MathGridInset::col_type MathGridInset::ncols() const
{
return colinfo_.size() - 1;
}
MathGridInset::row_type MathGridInset::nrows() const
{
return rowinfo_.size() - 1;
}
MathGridInset::col_type MathGridInset::col(idx_type idx) const
{
return idx % ncols();
}
MathGridInset::row_type MathGridInset::row(idx_type idx) const
{
return idx / ncols();
}
void MathGridInset::vcrskip(LyXLength const & crskip, row_type row)
{
rowinfo_[row].crskip_ = crskip;
}
LyXLength MathGridInset::vcrskip(row_type row) const
{
return rowinfo_[row].crskip_;
}
void MathGridInset::metrics(MetricsInfo & mi) const
{
// let the cells adjust themselves
MathNestInset::metrics(mi);
// compute absolute sizes of vertical structure
for (row_type row = 0; row < nrows(); ++row) {
int asc = 0;
int desc = 0;
for (col_type col = 0; col < ncols(); ++col) {
MathArray const & c = cell(index(row, col));
asc = max(asc, c.ascent());
desc = max(desc, c.descent());
}
rowinfo_[row].ascent_ = asc;
rowinfo_[row].descent_ = desc;
}
rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
rowinfo_[nrows()].ascent_ = 0;
rowinfo_[nrows()].descent_ = 0;
// compute vertical offsets
rowinfo_[0].offset_ = 0;
for (row_type row = 1; row <= nrows(); ++row) {
rowinfo_[row].offset_ =
rowinfo_[row - 1].offset_ +
rowinfo_[row - 1].descent_ +
rowinfo_[row - 1].skipPixels() +
rowsep() +
rowinfo_[row].lines_ * hlinesep() +
rowinfo_[row].ascent_;
}
// adjust vertical offset
int h = 0;
switch (v_align_) {
case 't':
h = 0;
break;
case 'b':
h = rowinfo_[nrows() - 1].offset_;
break;
default:
h = rowinfo_[nrows() - 1].offset_ / 2;
}
for (row_type row = 0; row <= nrows(); ++row)
rowinfo_[row].offset_ -= h;
// compute absolute sizes of horizontal structure
for (col_type col = 0; col < ncols(); ++col) {
int wid = 0;
for (row_type row = 0; row < nrows(); ++row)
wid = max(wid, cell(index(row, col)).width());
colinfo_[col].width_ = wid;
}
colinfo_[ncols()].width_ = 0;
// compute horizontal offsets
colinfo_[0].offset_ = border();
for (col_type col = 1; col <= ncols(); ++col) {
colinfo_[col].offset_ =
colinfo_[col - 1].offset_ +
colinfo_[col - 1].width_ +
colinfo_[col - 1].skip_ +
colsep() +
colinfo_[col].lines_ * vlinesep();
}
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_.des = rowinfo_[nrows() - 1].offset_
+ rowinfo_[nrows() - 1].descent_
+ hlinesep() * rowinfo_[nrows()].lines_
+ border();
/*
// Increase ws_[i] for 'R' columns (except the first one)
for (int i = 1; i < nc_; ++i)
if (align_[i] == 'R')
ws_[i] += 10 * df_width;
// Increase ws_[i] for 'C' column
if (align_[0] == 'C')
if (ws_[0] < 7 * workwidth / 8)
ws_[0] = 7 * workwidth / 8;
// Adjust local tabs
width = colsep();
for (cxrow = row_.begin(); cxrow; ++cxrow) {
int rg = COLSEP;
int lf = 0;
for (int i = 0; i < nc_; ++i) {
bool isvoid = false;
if (cxrow->getTab(i) <= 0) {
cxrow->setTab(i, df_width);
isvoid = true;
}
switch (align_[i]) {
case 'l':
lf = 0;
break;
case 'c':
lf = (ws_[i] - cxrow->getTab(i))/2;
break;
case 'r':
case 'R':
lf = ws_[i] - cxrow->getTab(i);
break;
case 'C':
if (cxrow == row_.begin())
lf = 0;
else if (cxrow.is_last())
lf = ws_[i] - cxrow->getTab(i);
else
lf = (ws_[i] - cxrow->getTab(i))/2;
break;
}
int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
cxrow->setTab(i, lf + rg);
rg = ws_[i] - ww + colsep();
if (cxrow == row_.begin())
width += ws_[i] + colsep();
}
cxrow->setBaseline(cxrow->getBaseline() - ascent);
}
*/
metricsMarkers2(dim_);
}
void MathGridInset::metrics(MetricsInfo & mi, Dimension & dim) const
{
metrics(mi);
dim = dim_;
}
void MathGridInset::draw(PainterInfo & pi, int x, int y) const
{
drawWithMargin(pi, x, y, 0, 0);
}
void MathGridInset::drawWithMargin(PainterInfo & pi, int x, int y,
int lmargin, int rmargin) const
{
for (idx_type idx = 0; idx < nargs(); ++idx)
cell(idx).draw(pi, x + lmargin + cellXOffset(idx),
y + cellYOffset(idx));
for (row_type row = 0; row <= nrows(); ++row)
for (unsigned int i = 0; i < rowinfo_[row].lines_; ++i) {
int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
- i * hlinesep() - hlinesep()/2 - rowsep()/2;
pi.pain.line(x + lmargin + 1, yy,
x + dim_.width() - rmargin - 1, yy,
LColor::foreground);
}
for (col_type col = 0; col <= ncols(); ++col)
for (unsigned int i = 0; i < colinfo_[col].lines_; ++i) {
int xx = x + lmargin + colinfo_[col].offset_
- i * vlinesep() - vlinesep()/2 - colsep()/2;
pi.pain.line(xx, y - dim_.ascent() + 1,
xx, y + dim_.descent() - 1,
LColor::foreground);
}
drawMarkers2(pi, x, y);
}
void MathGridInset::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
{
// let the cells adjust themselves
//MathNestInset::metrics(mi);
for (idx_type i = 0; i < nargs(); ++i)
cell(i).metricsT(mi, dim);
// compute absolute sizes of vertical structure
for (row_type row = 0; row < nrows(); ++row) {
int asc = 0;
int desc = 0;
for (col_type col = 0; col < ncols(); ++col) {
MathArray const & c = cell(index(row, col));
asc = max(asc, c.ascent());
desc = max(desc, c.descent());
}
rowinfo_[row].ascent_ = asc;
rowinfo_[row].descent_ = desc;
}
//rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
rowinfo_[nrows()].ascent_ = 0;
rowinfo_[nrows()].descent_ = 0;
// compute vertical offsets
rowinfo_[0].offset_ = 0;
for (row_type row = 1; row <= nrows(); ++row) {
rowinfo_[row].offset_ =
rowinfo_[row - 1].offset_ +
rowinfo_[row - 1].descent_ +
//rowinfo_[row - 1].skipPixels() +
1 + //rowsep() +
//rowinfo_[row].lines_ * hlinesep() +
rowinfo_[row].ascent_;
}
// adjust vertical offset
int h = 0;
switch (v_align_) {
case 't':
h = 0;
break;
case 'b':
h = rowinfo_[nrows() - 1].offset_;
break;
default:
h = rowinfo_[nrows() - 1].offset_ / 2;
}
for (row_type row = 0; row <= nrows(); ++row)
rowinfo_[row].offset_ -= h;
// compute absolute sizes of horizontal structure
for (col_type col = 0; col < ncols(); ++col) {
int wid = 0;
for (row_type row = 0; row < nrows(); ++row)
wid = max(wid, cell(index(row, col)).width());
colinfo_[col].width_ = wid;
}
colinfo_[ncols()].width_ = 0;
// compute horizontal offsets
colinfo_[0].offset_ = border();
for (col_type col = 1; col <= ncols(); ++col) {
colinfo_[col].offset_ =
colinfo_[col - 1].offset_ +
colinfo_[col - 1].width_ +
colinfo_[col - 1].skip_ +
1 ; //colsep() +
//colinfo_[col].lines_ * vlinesep();
}
dim.wid = colinfo_[ncols() - 1].offset_
+ colinfo_[ncols() - 1].width_
//+ vlinesep() * colinfo_[ncols()].lines_
+ 2;
dim.asc = -rowinfo_[0].offset_
+ rowinfo_[0].ascent_
//+ hlinesep() * rowinfo_[0].lines_
+ 1;
dim.des = rowinfo_[nrows() - 1].offset_
+ rowinfo_[nrows() - 1].descent_
//+ hlinesep() * rowinfo_[nrows()].lines_
+ 1;
}
void MathGridInset::drawT(TextPainter & pain, int x, int y) const
{
for (idx_type idx = 0; idx < nargs(); ++idx)
cell(idx).drawT(pain, x + cellXOffset(idx), y + cellYOffset(idx));
}
string MathGridInset::eolString(row_type row, bool emptyline, bool fragile) const
{
string eol;
if (!rowinfo_[row].crskip_.zero())
eol += '[' + rowinfo_[row].crskip_.asLatexString() + ']';
// make sure an upcoming '[' does not break anything
if (row + 1 < nrows()) {
MathArray const & c = cell(index(row + 1, 0));
if (c.size() && c.front()->getChar() == '[')
//eol += "[0pt]";
eol += "{}";
}
// only add \\ if necessary
if (eol.empty() && row + 1 == nrows() && (nrows() == 1 || !emptyline))
return string();
return (fragile ? "\\protect\\\\" : "\\\\") + eol;
}
string MathGridInset::eocString(col_type col, col_type lastcol) const
{
if (col + 1 == lastcol)
return string();
return " & ";
}
void MathGridInset::addRow(row_type row)
{
rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
cells_.insert
(cells_.begin() + (row + 1) * ncols(), ncols(), MathArray());
cellinfo_.insert
(cellinfo_.begin() + (row + 1) * ncols(), ncols(), CellInfo());
}
void MathGridInset::appendRow()
{
rowinfo_.push_back(RowInfo());
//cells_.insert(cells_.end(), ncols(), MathArray());
for (col_type col = 0; col < ncols(); ++col) {
cells_.push_back(cells_type::value_type());
cellinfo_.push_back(CellInfo());
}
}
void MathGridInset::delRow(row_type row)
{
if (nrows() == 1)
return;
cells_type::iterator it = cells_.begin() + row * ncols();
cells_.erase(it, it + ncols());
vector<CellInfo>::iterator jt = cellinfo_.begin() + row * ncols();
cellinfo_.erase(jt, jt + ncols());
rowinfo_.erase(rowinfo_.begin() + row);
}
void MathGridInset::copyRow(row_type row)
{
addRow(row);
for (col_type col = 0; col < ncols(); ++col)
cells_[(row + 1) * ncols() + col] = cells_[row * ncols() + col];
}
void MathGridInset::swapRow(row_type row)
{
if (nrows() == 1)
return;
if (row + 1 == nrows())
--row;
for (col_type col = 0; col < ncols(); ++col)
swap(cells_[row * ncols() + col], cells_[(row + 1) * ncols() + col]);
}
void MathGridInset::addCol(col_type newcol)
{
const col_type nc = ncols();
const row_type nr = nrows();
cells_type new_cells((nc + 1) * nr);
vector<CellInfo> new_cellinfo((nc + 1) * nr);
for (row_type row = 0; row < nr; ++row)
for (col_type col = 0; col < nc; ++col) {
new_cells[row * (nc + 1) + col + (col > newcol)]
= cells_[row * nc + col];
new_cellinfo[row * (nc + 1) + col + (col > newcol)]
= cellinfo_[row * nc + col];
}
swap(cells_, new_cells);
swap(cellinfo_, new_cellinfo);
ColInfo inf;
inf.skip_ = defaultColSpace(newcol);
inf.align_ = defaultColAlign(newcol);
colinfo_.insert(colinfo_.begin() + newcol, inf);
}
void MathGridInset::delCol(col_type col)
{
if (ncols() == 1)
return;
cells_type tmpcells;
vector<CellInfo> tmpcellinfo;
for (col_type i = 0; i < nargs(); ++i)
if (i % ncols() != col) {
tmpcells.push_back(cells_[i]);
tmpcellinfo.push_back(cellinfo_[i]);
}
swap(cells_, tmpcells);
swap(cellinfo_, tmpcellinfo);
colinfo_.erase(colinfo_.begin() + col);
}
void MathGridInset::copyCol(col_type col)
{
addCol(col);
for (row_type row = 0; row < nrows(); ++row)
cells_[row * ncols() + col + 1] = cells_[row * ncols() + col];
}
void MathGridInset::swapCol(col_type col)
{
if (ncols() == 1)
return;
if (col + 1 == ncols())
--col;
for (row_type row = 0; row < nrows(); ++row)
swap(cells_[row * ncols() + col], cells_[row * ncols() + col + 1]);
}
int MathGridInset::cellXOffset(idx_type idx) const
{
col_type c = col(idx);
int x = colinfo_[c].offset_;
char align = colinfo_[c].align_;
if (align == 'r' || align == 'R')
x += colinfo_[c].width_ - cell(idx).width();
if (align == 'c' || align == 'C')
x += (colinfo_[c].width_ - cell(idx).width()) / 2;
return x;
}
int MathGridInset::cellYOffset(idx_type idx) const
{
return rowinfo_[row(idx)].offset_;
}
bool MathGridInset::idxUpDown(LCursor & cur, bool up) const
{
if (up) {
if (cur.row() == 0)
return false;
cur.idx() -= ncols();
} else {
if (cur.row() + 1 >= nrows())
return false;
cur.idx() += ncols();
}
cur.pos() = cur.cell().x2pos(cur.x_target() - cur.cell().xo());
return true;
}
bool MathGridInset::idxLeft(LCursor & cur) const
{
// leave matrix if on the left hand edge
if (cur.col() == 0)
return false;
--cur.idx();
cur.pos() = cur.lastpos();
return true;
}
bool MathGridInset::idxRight(LCursor & cur) const
{
// leave matrix if on the right hand edge
if (cur.col() + 1 == ncols())
return false;
++cur.idx();
cur.pos() = 0;
return true;
}
bool MathGridInset::idxFirst(LCursor & cur) const
{
switch (v_align_) {
case 't':
cur.idx() = 0;
break;
case 'b':
cur.idx() = (nrows() - 1) * ncols();
break;
default:
cur.idx() = ((nrows() - 1) / 2) * ncols();
}
cur.pos() = 0;
return true;
}
bool MathGridInset::idxLast(LCursor & cur) const
{
switch (v_align_) {
case 't':
cur.idx() = ncols() - 1;
break;
case 'b':
cur.idx() = nargs() - 1;
break;
default:
cur.idx() = ((nrows() - 1) / 2 + 1) * ncols() - 1;
}
cur.pos() = cur.lastpos();
return true;
}
bool MathGridInset::idxDelete(idx_type & idx)
{
// nothing to do if we have just one row
if (nrows() == 1)
return false;
// nothing to do if we are in the middle of the last row of the inset
if (idx + ncols() > nargs())
return false;
// try to delete entire sequence of ncols() empty cells if possible
for (idx_type i = idx; i < idx + ncols(); ++i)
if (cell(i).size())
return false;
// move cells if necessary
for (idx_type i = index(row(idx), 0); i < idx; ++i)
swap(cell(i), cell(i + ncols()));
delRow(row(idx));
if (idx >= nargs())
idx = nargs() - 1;
// undo effect of Ctrl-Tab (i.e. pull next cell)
//if (idx + 1 != nargs())
// cell(idx).swap(cell(idx + 1));
// we handled the event..
return true;
}
// reimplement old behaviour when pressing Delete in the last position
// of a cell
void MathGridInset::idxGlue(idx_type idx)
{
col_type c = col(idx);
if (c + 1 == ncols()) {
if (row(idx) + 1 != nrows()) {
for (col_type cc = 0; cc < ncols(); ++cc)
cell(idx).append(cell(idx + cc + 1));
delRow(row(idx) + 1);
}
} else {
cell(idx).append(cell(idx + 1));
for (col_type cc = c + 2; cc < ncols(); ++cc)
cell(idx - c + cc - 1) = cell(idx - c + cc);
cell(idx - c + ncols() - 1).clear();
}
}
MathGridInset::RowInfo const & MathGridInset::rowinfo(row_type row) const
{
return rowinfo_[row];
}
MathGridInset::RowInfo & MathGridInset::rowinfo(row_type row)
{
return rowinfo_[row];
}
bool MathGridInset::idxBetween(idx_type idx, idx_type from, idx_type to) const
{
row_type const ri = row(idx);
row_type const r1 = min(row(from), row(to));
row_type const r2 = max(row(from), row(to));
col_type const ci = col(idx);
col_type const c1 = min(col(from), col(to));
col_type const c2 = max(col(from), col(to));
return r1 <= ri && ri <= r2 && c1 <= ci && ci <= c2;
}
void MathGridInset::normalize(NormalStream & os) const
{
os << "[grid ";
for (row_type row = 0; row < nrows(); ++row) {
os << "[row ";
for (col_type col = 0; col < ncols(); ++col)
os << "[cell " << cell(index(row, col)) << ']';
os << ']';
}
os << ']';
}
void MathGridInset::mathmlize(MathMLStream & os) const
{
os << MTag("mtable");
for (row_type row = 0; row < nrows(); ++row) {
os << MTag("mtr");
for (col_type col = 0; col < ncols(); ++col)
os << cell(index(row, col));
os << ETag("mtr");
}
os << ETag("mtable");
}
void MathGridInset::write(WriteStream & os) const
{
string eol;
for (row_type row = 0; row < nrows(); ++row) {
os << verboseHLine(rowinfo_[row].lines_);
// don't write & and empty cells at end of line
col_type lastcol = 0;
bool emptyline = true;
for (col_type col = 0; col < ncols(); ++col)
if (!cell(index(row, col)).empty()) {
lastcol = col + 1;
emptyline = false;
}
for (col_type col = 0; col < lastcol; ++col)
os << cell(index(row, col)) << eocString(col, lastcol);
eol = eolString(row, emptyline, os.fragile());
os << eol;
// append newline only if line wasn't completely empty
// and this was not the last line in the grid
if (!emptyline && row + 1 < nrows())
os << "\n";
}
string const s = verboseHLine(rowinfo_[nrows()].lines_);
if (!s.empty()) {
if (eol.empty()) {
if (os.fragile())
os << "\\protect";
os << "\\\\";
}
os << s;
}
}
int MathGridInset::colsep() const
{
return 6;
}
int MathGridInset::rowsep() const
{
return 6;
}
int MathGridInset::hlinesep() const
{
return 3;
}
int MathGridInset::vlinesep() const
{
return 3;
}
int MathGridInset::border() const
{
return 1;
}
void MathGridInset::splitCell(LCursor & cur)
{
if (cur.idx() == cur.lastidx())
return;
MathArray ar = cur.cell();
ar.erase(0, cur.pos());
cur.cell().erase(cur.pos(), cur.lastpos());
++cur.idx();
cur.pos() = 0;
cur.cell().insert(0, ar);
}
void MathGridInset::doDispatch(LCursor & cur, FuncRequest & 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::doDispatch(cur, cmd);
break;
case LFUN_INSET_DIALOG_UPDATE:
GridInsetMailer(*this).updateDialog(&cur.bv());
break;
// insert file functions
case LFUN_LINE_DELETE:
// FIXME: We use recordUndoInset when a change reflects more
// than one cell, because recordUndo does not work for
// multiple cells. Unfortunately this puts the cursor in front
// of the inset after undo. This is (especilally for large
// grids) annoying.
recordUndoInset(cur);
//autocorrect_ = false;
//macroModeClose();
//if (selection_) {
// selDel();
// break;
//}
if (nrows() > 1)
delRow(cur.row());
if (cur.idx() > cur.lastidx())
cur.idx() = cur.lastidx();
if (cur.pos() > cur.lastpos())
cur.pos() = cur.lastpos();
break;
case LFUN_CELL_SPLIT:
recordUndo(cur);
splitCell(cur);
break;
case LFUN_CELL_BACKWARD:
// See below.
cur.selection() = false;
if (!idxPrev(cur)) {
cmd = FuncRequest(LFUN_FINISHED_LEFT);
cur.undispatched();
}
break;
case LFUN_CELL_FORWARD:
// Can't handle selection by additional 'shift' as this is
// hard bound to LFUN_CELL_BACKWARD
cur.selection() = false;
if (!idxNext(cur)) {
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
cur.undispatched();
}
break;
case LFUN_BREAK_LINE: {
recordUndoInset(cur);
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.pos() = cur.lastpos();
//mathcursor->normalize();
//cmd = FuncRequest(LFUN_FINISHED_LEFT);
break;
}
case LFUN_TABULAR_FEATURE: {
recordUndoInset(cur);
//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', cur.col());
else if (s == "align-right")
halign('r', cur.col());
else if (s == "align-center")
halign('c', cur.col());
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();
}
cur.pos() = 0; // trick, see below
}
else if (s == "copy-row") {
// Here (as later) we save the cursor col/row
// in order to restore it after operation.
row_type const r = cur.row();
col_type const c = cur.col();
for (int i = 0, n = extractInt(is); i < n; ++i)
copyRow(cur.row());
cur.idx() = index(r, c);
}
else if (s == "swap-row") {
swapRow(cur.row());
// Trick to suppress same-idx-means-different-cell
// assertion crash:
cur.pos() = 0;
}
else if (s == "add-hline-above")
rowinfo_[cur.row()].lines_++;
else if (s == "add-hline-below")
rowinfo_[cur.row()+1].lines_++;
else if (s == "delete-hline-above")
rowinfo_[cur.row()].lines_--;
else if (s == "delete-hline-below")
rowinfo_[cur.row()+1].lines_--;
else if (s == "append-column") {
row_type const r = cur.row();
col_type const c = cur.col();
for (int i = 0, n = extractInt(is); i < n; ++i)
addCol(cur.col());
cur.idx() = index(r, c);
}
else if (s == "delete-column") {
row_type const r = cur.row();
col_type const c = cur.col();
for (int i = 0, n = extractInt(is); i < n; ++i)
delCol(col(cur.idx()));
cur.idx() = index(r, min(c, cur.ncols() - 1));
cur.pos() = 0; // trick, see above
}
else if (s == "copy-column") {
row_type const r = cur.row();
col_type const c = cur.col();
copyCol(cur.col());
cur.idx() = index(r, c);
}
else if (s == "swap-column") {
swapCol(cur.col());
cur.pos() = 0; // trick, see above
}
else if (s == "add-vline-left")
colinfo_[cur.col()].lines_++;
else if (s == "add-vline-right")
colinfo_[cur.col()+1].lines_++;
else if (s == "delete-vline-left")
colinfo_[cur.col()].lines_--;
else if (s == "delete-vline-right")
colinfo_[cur.col()+1].lines_--;
else {
cur.undispatched();
break;
}
lyxerr << "returning FINISHED_LEFT" << endl;
break;
}
case LFUN_PASTE: {
cur.message(_("Paste"));
lyx::cap::replaceSelection(cur);
istringstream is(cmd.argument);
int n = 0;
is >> n;
MathGridInset grid(1, 1);
mathed_parse_normal(grid, lyx::cap::getSelection(cur.buffer(), n));
if (grid.nargs() == 1) {
// single cell/part of cell
recordUndo(cur);
cur.cell().insert(cur.pos(), grid.cell(0));
cur.pos() += grid.cell(0).size();
} else {
// multiple cells
recordUndoInset(cur);
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)));
}
cur.clearSelection(); // bug 393
cur.bv().switchKeyMap();
finishUndo();
break;
}
case LFUN_LINE_BEGIN_SELECT:
case LFUN_LINE_BEGIN:
case LFUN_WORD_BACKWARD_SELECT:
case LFUN_WORD_BACKWARD:
cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
cmd.action == LFUN_LINE_BEGIN_SELECT);
cur.macroModeClose();
if (cur.pos() != 0) {
cur.pos() = 0;
} else if (cur.idx() % cur.ncols() != 0) {
cur.idx() -= cur.idx() % cur.ncols();
cur.pos() = 0;
} else if (cur.idx() != 0) {
cur.idx() = 0;
cur.pos() = 0;
} else {
cmd = FuncRequest(LFUN_FINISHED_LEFT);
cur.undispatched();
}
break;
case LFUN_WORD_FORWARD_SELECT:
case LFUN_WORD_FORWARD:
case LFUN_LINE_END_SELECT:
case LFUN_LINE_END:
cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
cmd.action == LFUN_LINE_END_SELECT);
cur.macroModeClose();
cur.clearTargetX();
if (cur.pos() != cur.lastpos()) {
cur.pos() = cur.lastpos();
} else if ((cur.idx() + 1) % cur.ncols() != 0) {
cur.idx() += cur.ncols() - 1 - cur.idx() % cur.ncols();
cur.pos() = cur.lastpos();
} else if (cur.idx() != cur.lastidx()) {
cur.idx() = cur.lastidx();
cur.pos() = cur.lastpos();
} else {
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
cur.undispatched();
}
break;
default:
MathNestInset::doDispatch(cur, cmd);
}
}
bool MathGridInset::getStatus(LCursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action) {
case LFUN_TABULAR_FEATURE: {
string const s = cmd.argument;
if (nrows() <= 1 && (s == "delete-row" || s == "swap-row")) {
status.enabled(false);
status.message(N_("Only one row"));
return true;
}
if (ncols() <= 1 &&
(s == "delete-column" || s == "swap-column")) {
status.enabled(false);
status.message(N_("Only one column"));
return true;
}
if ((rowinfo_[cur.row()].lines_ == 0 &&
s == "delete-hline-above") ||
(rowinfo_[cur.row() + 1].lines_ == 0 &&
s == "delete-hline-below")) {
status.enabled(false);
status.message(N_("No hline to delete"));
return true;
}
if ((colinfo_[cur.col()].lines_ == 0 &&
s == "delete-vline-left") ||
(colinfo_[cur.col() + 1].lines_ == 0 &&
s == "delete-vline-right")) {
status.enabled(false);
status.message(N_("No vline to delete"));
return true;
}
if (s == "valign-top" || s == "valign-middle" ||
s == "valign-bottom" || s == "align-left" ||
s == "align-right" || s == "align-center" ||
s == "append-row" || s == "delete-row" ||
s == "copy-row" || s == "swap-row" ||
s == "add-hline-above" || s == "add-hline-below" ||
s == "delete-hline-above" || s == "delete-hline-below" ||
s == "append-column" || s == "delete-column" ||
s == "copy-column" || s == "swap-column" ||
s == "add-vline-left" || s == "add-vline-right" ||
s == "delete-vline-left" || s == "delete-vline-right")
status.enabled(true);
else {
status.enabled(false);
status.message(bformat(
N_("Unknown tabular feature '%1$s'"), s));
}
status.setOnOff(s == "align-left" && halign(cur.col()) == 'l'
|| s == "align-right" && halign(cur.col()) == 'r'
|| s == "align-center" && halign(cur.col()) == 'c'
|| s == "valign-top" && valign() == 't'
|| s == "valign-bottom" && valign() == 'b'
|| s == "valign-middle" && valign() == 'm');
#if 0
// FIXME: What did this code do?
// Please check whether it is still needed!
// should be more precise
if (v_align_ == '\0') {
status.enable(true);
break;
}
if (cmd.argument.empty()) {
status.enable(false);
break;
}
if (!lyx::support::contains("tcb", cmd.argument[0])) {
status.enable(false);
break;
}
status.setOnOff(cmd.argument[0] == v_align_);
status.enabled(true);
#endif
return true;
}
case LFUN_CELL_SPLIT:
status.enabled(true);
return true;
case LFUN_CELL_BACKWARD:
case LFUN_CELL_FORWARD:
status.enabled(true);
return true;
default:
return MathNestInset::getStatus(cur, cmd, status);
}
}