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lyx_mirror/src/mathed/math_nestinset.C
André Pönitz de70b1ce26 handle LFUN_ESCAPE properly in math insets (i.e. go up one level of 
nesting)


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10184 a592a061-630c-0410-9148-cb99ea01b6c8
2005-07-14 14:48:46 +00:00

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/**
* \file math_nestinset.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_nestinset.h"
#include "math_arrayinset.h"
#include "math_boxinset.h"
#include "math_braceinset.h"
#include "math_colorinset.h"
#include "math_commentinset.h"
#include "math_data.h"
#include "math_deliminset.h"
#include "math_factory.h"
#include "math_hullinset.h"
#include "math_mathmlstream.h"
#include "math_macroarg.h"
//#include "math_mboxinset.h"
#include "math_parser.h"
#include "math_scriptinset.h"
#include "math_spaceinset.h"
#include "math_symbolinset.h"
#include "math_support.h"
#include "math_unknowninset.h"
#include "BufferView.h"
#include "CutAndPaste.h"
#include "FuncStatus.h"
#include "LColor.h"
#include "bufferview_funcs.h"
#include "coordcache.h"
#include "cursor.h"
#include "debug.h"
#include "dispatchresult.h"
#include "funcrequest.h"
#include "gettext.h"
#include "outputparams.h"
#include "undo.h"
#include "support/lstrings.h"
#include "frontends/Dialogs.h"
#include "frontends/LyXView.h"
#include "frontends/Painter.h"
#include <sstream>
using lyx::cap::copySelection;
using lyx::cap::grabAndEraseSelection;
using lyx::cap::cutSelection;
using lyx::cap::pasteSelection;
using lyx::cap::replaceSelection;
using lyx::cap::selClearOrDel;
using std::endl;
using std::string;
using std::istringstream;
MathNestInset::MathNestInset(idx_type nargs)
: cells_(nargs), lock_(false)
{}
MathInset::idx_type MathNestInset::nargs() const
{
return cells_.size();
}
MathArray & MathNestInset::cell(idx_type i)
{
return cells_[i];
}
MathArray const & MathNestInset::cell(idx_type i) const
{
return cells_[i];
}
void MathNestInset::getCursorPos(CursorSlice const & sl,
int & x, int & y) const
{
// FIXME: This is a hack. Ideally, the coord cache should not store
// absolute positions, but relative ones. This would mean to call
// setXY() not in MathArray::draw(), but in the parent insets' draw()
// with the correctly adjusted x,y values. But this means that we'd have
// to touch all (math)inset's draw() methods. Right now, we'll store
// absolute value, and make them here relative, only to make them
// absolute again when actually drawing the cursor. What a mess.
BOOST_ASSERT(ptr_cmp(&sl.inset(), this));
MathArray const & ar = sl.cell();
if (!theCoords.getArrays().has(&ar)) {
// this can (semi-)legally happen if we just created this cell
// and it never has been drawn before. So don't ASSERT.
//lyxerr << "no cached data for array " << &ar << endl;
x = 0;
y = 0;
return;
}
Point const pt = theCoords.getArrays().xy(&ar);
if (!theCoords.getInsets().has(this)) {
// same as above
//lyxerr << "no cached data for inset " << this << endl;
x = 0;
y = 0;
return;
}
Point const pt2 = theCoords.getInsets().xy(this);
//lyxerr << "retrieving position cache for MathArray "
// << pt.x_ << ' ' << pt.y_ << std::endl;
x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
y = pt.y_ - pt2.y_;
// lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
// << " asc: " << ascent() << " des: " << descent()
// << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
// move cursor visually into empty cells ("blue rectangles");
if (ar.empty())
x += 2;
}
void MathNestInset::metrics(MetricsInfo const & mi) const
{
MetricsInfo m = mi;
for (idx_type i = 0, n = nargs(); i != n; ++i)
cell(i).metrics(m);
}
bool MathNestInset::idxNext(LCursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (cur.idx() == cur.lastidx())
return false;
++cur.idx();
cur.pos() = 0;
return true;
}
bool MathNestInset::idxRight(LCursor & cur) const
{
return idxNext(cur);
}
bool MathNestInset::idxPrev(LCursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (cur.idx() == 0)
return false;
--cur.idx();
cur.pos() = cur.lastpos();
return true;
}
bool MathNestInset::idxLeft(LCursor & cur) const
{
return idxPrev(cur);
}
bool MathNestInset::idxFirst(LCursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (nargs() == 0)
return false;
cur.idx() = 0;
cur.pos() = 0;
return true;
}
bool MathNestInset::idxLast(LCursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (nargs() == 0)
return false;
cur.idx() = cur.lastidx();
cur.pos() = cur.lastpos();
return true;
}
void MathNestInset::dump() const
{
WriteStream os(lyxerr);
os << "---------------------------------------------\n";
write(os);
os << "\n";
for (idx_type i = 0, n = nargs(); i != n; ++i)
os << cell(i) << "\n";
os << "---------------------------------------------\n";
}
void MathNestInset::draw(PainterInfo & pi, int x, int y) const
{
#if 0
if (lock_)
pi.pain.fillRectangle(x, y - ascent(), width(), height(),
LColor::mathlockbg);
#endif
setPosCache(pi, x, y);
}
void MathNestInset::drawSelection(PainterInfo & pi, int x, int y) const
{
// FIXME: hack to get position cache warm
draw(pi, x, y);
// this should use the x/y values given, not the cached values
LCursor & cur = pi.base.bv->cursor();
if (!cur.selection())
return;
if (!ptr_cmp(&cur.inset(), this))
return;
CursorSlice s1 = cur.selBegin();
CursorSlice s2 = cur.selEnd();
//lyxerr << "MathNestInset::drawing selection: "
// << " s1: " << s1 << " s2: " << s2 << endl;
if (s1.idx() == s2.idx()) {
MathArray const & c = cell(s1.idx());
int x1 = c.xo() + c.pos2x(s1.pos());
int y1 = c.yo() - c.ascent();
int x2 = c.xo() + c.pos2x(s2.pos());
int y2 = c.yo() + c.descent();
pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
//lyxerr << "MathNestInset::drawing selection 3: "
// << " x1: " << x1 << " x2: " << x2
// << " y1: " << y1 << " y2: " << y2 << endl;
} else {
for (idx_type i = 0; i < nargs(); ++i) {
if (idxBetween(i, s1.idx(), s2.idx())) {
MathArray const & c = cell(i);
int x1 = c.xo();
int y1 = c.yo() - c.ascent();
int x2 = c.xo() + c.width();
int y2 = c.yo() + c.descent();
pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
}
}
}
}
void MathNestInset::validate(LaTeXFeatures & features) const
{
for (idx_type i = 0; i < nargs(); ++i)
cell(i).validate(features);
}
void MathNestInset::replace(ReplaceData & rep)
{
for (idx_type i = 0; i < nargs(); ++i)
cell(i).replace(rep);
}
bool MathNestInset::contains(MathArray const & ar) const
{
for (idx_type i = 0; i < nargs(); ++i)
if (cell(i).contains(ar))
return true;
return false;
}
bool MathNestInset::lock() const
{
return lock_;
}
void MathNestInset::lock(bool l)
{
lock_ = l;
}
bool MathNestInset::isActive() const
{
return nargs() > 0;
}
MathArray MathNestInset::glue() const
{
MathArray ar;
for (size_t i = 0; i < nargs(); ++i)
ar.append(cell(i));
return ar;
}
void MathNestInset::write(WriteStream & os) const
{
os << '\\' << name().c_str();
for (size_t i = 0; i < nargs(); ++i)
os << '{' << cell(i) << '}';
if (nargs() == 0)
os.pendingSpace(true);
if (lock_ && !os.latex()) {
os << "\\lyxlock";
os.pendingSpace(true);
}
}
void MathNestInset::normalize(NormalStream & os) const
{
os << '[' << name().c_str();
for (size_t i = 0; i < nargs(); ++i)
os << ' ' << cell(i);
os << ']';
}
int MathNestInset::latex(Buffer const &, std::ostream & os,
OutputParams const & runparams) const
{
WriteStream wi(os, runparams.moving_arg, true);
write(wi);
return wi.line();
}
void MathNestInset::notifyCursorLeaves(LCursor & /*cur*/)
{
#ifdef WITH_WARNINGS
#warning look here
#endif
#if 0
MathArray & ar = cur.cell();
// remove base-only "scripts"
for (pos_type i = 0; i + 1 < ar.size(); ++i) {
MathScriptInset * p = operator[](i).nucleus()->asScriptInset();
if (p && p->nargs() == 1) {
MathArray ar = p->nuc();
erase(i);
insert(i, ar);
cur.adjust(i, ar.size() - 1);
}
}
// glue adjacent font insets of the same kind
for (pos_type i = 0; i + 1 < size(); ++i) {
MathFontInset * p = operator[](i).nucleus()->asFontInset();
MathFontInset const * q = operator[](i + 1)->asFontInset();
if (p && q && p->name() == q->name()) {
p->cell(0).append(q->cell(0));
erase(i + 1);
cur.adjust(i, -1);
}
}
#endif
}
void MathNestInset::handleFont
(LCursor & cur, string const & arg, string const & font)
{
// this whole function is a hack and won't work for incremental font
// changes...
recordUndo(cur, Undo::ATOMIC);
if (cur.inset().asMathInset()->name() == font)
cur.handleFont(font);
else {
cur.handleNest(createMathInset(font));
cur.insert(arg);
}
}
void MathNestInset::handleFont2(LCursor & cur, string const & arg)
{
recordUndo(cur, Undo::ATOMIC);
LyXFont font;
bool b;
bv_funcs::string2font(arg, font, b);
if (font.color() != LColor::inherit) {
MathAtom at = MathAtom(new MathColorInset(true, font.color()));
cur.handleNest(at, 0);
}
}
void MathNestInset::doDispatch(LCursor & cur, FuncRequest & cmd)
{
//lyxerr << "MathNestInset: request: " << cmd << std::endl;
//CursorSlice sl = cur.current();
switch (cmd.action) {
case LFUN_PASTE: {
recordUndo(cur);
cur.message(_("Paste"));
replaceSelection(cur);
size_t n = 0;
istringstream is(cmd.argument);
is >> n;
pasteSelection(cur, n);
cur.clearSelection(); // bug 393
cur.bv().switchKeyMap();
finishUndo();
break;
}
case LFUN_CUT:
cutSelection(cur, true, true);
cur.message(_("Cut"));
break;
case LFUN_COPY:
copySelection(cur);
cur.message(_("Copy"));
break;
case LFUN_MOUSE_PRESS:
lfunMousePress(cur, cmd);
break;
case LFUN_MOUSE_MOTION:
lfunMouseMotion(cur, cmd);
break;
case LFUN_MOUSE_RELEASE:
lfunMouseRelease(cur, cmd);
break;
case LFUN_FINISHED_LEFT:
cur.bv().cursor() = cur;
break;
case LFUN_FINISHED_RIGHT:
++cur.pos();
cur.bv().cursor() = cur;
break;
case LFUN_FINISHED_UP:
cur.bv().cursor() = cur;
break;
case LFUN_FINISHED_DOWN:
cur.bv().cursor() = cur;
break;
case LFUN_RIGHTSEL:
case LFUN_RIGHT:
cur.selHandle(cmd.action == LFUN_RIGHTSEL);
cur.autocorrect() = false;
cur.clearTargetX();
cur.macroModeClose();
if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
cur.pushLeft(*cur.nextAtom().nucleus());
cur.inset().idxFirst(cur);
} else if (cur.posRight() || idxRight(cur)
|| cur.popRight() || cur.selection())
;
else
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
break;
case LFUN_LEFTSEL:
case LFUN_LEFT:
cur.selHandle(cmd.action == LFUN_LEFTSEL);
cur.autocorrect() = false;
cur.clearTargetX();
cur.macroModeClose();
if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
cur.posLeft();
cur.push(*cur.nextAtom().nucleus());
cur.inset().idxLast(cur);
} else if (cur.posLeft() || idxLeft(cur)
|| cur.popLeft() || cur.selection())
;
else
cmd = FuncRequest(LFUN_FINISHED_LEFT);
break;
case LFUN_UPSEL:
case LFUN_UP:
// FIXME Tried to use clearTargetX and macroModeClose, crashed on cur.up()
if (cur.inMacroMode()) {
// Make Helge happy
cur.macroModeClose();
break;
}
cur.selHandle(cmd.action == LFUN_UPSEL);
if (!cur.up())
cmd = FuncRequest(LFUN_FINISHED_UP);
// fixes bug 1598. Please check!
cur.normalize();
break;
case LFUN_DOWNSEL:
case LFUN_DOWN:
if (cur.inMacroMode()) {
cur.macroModeClose();
break;
}
cur.selHandle(cmd.action == LFUN_DOWNSEL);
if (!cur.down())
cmd = FuncRequest(LFUN_FINISHED_DOWN);
// fixes bug 1598. Please check!
cur.normalize();
break;
case LFUN_MOUSE_DOUBLE:
case LFUN_MOUSE_TRIPLE:
case LFUN_WORDSEL:
cur.pos() = 0;
cur.idx() = 0;
cur.resetAnchor();
cur.selection() = true;
cur.pos() = cur.lastpos();
cur.idx() = cur.lastidx();
break;
case LFUN_UP_PARAGRAPHSEL:
case LFUN_UP_PARAGRAPH:
case LFUN_DOWN_PARAGRAPHSEL:
case LFUN_DOWN_PARAGRAPH:
break;
case LFUN_HOMESEL:
case LFUN_HOME:
case LFUN_WORDLEFTSEL:
case LFUN_WORDLEFT:
cur.selHandle(cmd.action == LFUN_WORDLEFTSEL || cmd.action == LFUN_HOMESEL);
cur.macroModeClose();
if (cur.pos() != 0) {
cur.pos() = 0;
} else if (cur.col() != 0) {
cur.idx() -= cur.col();
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_WORDRIGHTSEL:
case LFUN_WORDRIGHT:
case LFUN_ENDSEL:
case LFUN_END:
cur.selHandle(cmd.action == LFUN_WORDRIGHTSEL || cmd.action == LFUN_ENDSEL);
cur.macroModeClose();
cur.clearTargetX();
if (cur.pos() != cur.lastpos()) {
cur.pos() = cur.lastpos();
} else if (ncols() && (cur.col() != cur.lastcol())) {
cur.idx() = cur.idx() - cur.col() + cur.lastcol();
cur.pos() = cur.lastpos();
} else if (cur.idx() != cur.lastidx()) {
cur.idx() = cur.lastidx();
cur.pos() = cur.lastpos();
} else {
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
cur.undispatched();
}
break;
case LFUN_PRIORSEL:
case LFUN_PRIOR:
cmd = FuncRequest(LFUN_FINISHED_LEFT);
cur.undispatched();
break;
case LFUN_NEXTSEL:
case LFUN_NEXT:
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
cur.undispatched();
break;
case LFUN_CELL_FORWARD:
cur.inset().idxNext(cur);
break;
case LFUN_CELL_BACKWARD:
cur.inset().idxPrev(cur);
break;
case LFUN_DELETE_WORD_BACKWARD:
case LFUN_BACKSPACE:
recordUndo(cur, Undo::ATOMIC);
cur.backspace();
break;
case LFUN_DELETE_WORD_FORWARD:
case LFUN_DELETE:
recordUndo(cur);
cur.erase();
cmd = FuncRequest(LFUN_FINISHED_LEFT);
cur.undispatched();
break;
case LFUN_ESCAPE:
if (cur.selection())
cur.clearSelection();
else {
cmd = FuncRequest(LFUN_FINISHED_LEFT);
cur.undispatched();
}
break;
case LFUN_INSET_TOGGLE:
recordUndo(cur);
//lockToggle();
if (cur.pos() != cur.lastpos()) {
// toggle previous inset ...
cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
} else if (cur.popLeft() && cur.pos() != cur.lastpos()) {
// ... or enclosing inset if we are in the last inset position
cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
++cur.pos();
}
break;
case LFUN_SELFINSERT:
recordUndo(cur);
if (cmd.argument.size() != 1) {
cur.insert(cmd.argument);
break;
}
if (!interpret(cur, cmd.argument[0]))
cmd = FuncRequest(LFUN_FINISHED_RIGHT);
break;
//case LFUN_GETXY:
// sprintf(dispatch_buffer, "%d %d",);
// break;
case LFUN_SETXY: {
lyxerr << "LFUN_SETXY broken!" << endl;
int x = 0;
int y = 0;
istringstream is(cmd.argument);
is >> x >> y;
cur.setScreenPos(x, y);
break;
}
// Special casing for superscript in case of LyX handling
// dead-keys:
case LFUN_CIRCUMFLEX:
if (cmd.argument.empty()) {
// do superscript if LyX handles
// deadkeys
recordUndo(cur, Undo::ATOMIC);
script(cur, true);
}
break;
case LFUN_UMLAUT:
case LFUN_ACUTE:
case LFUN_GRAVE:
case LFUN_BREVE:
case LFUN_DOT:
case LFUN_MACRON:
case LFUN_CARON:
case LFUN_TILDE:
case LFUN_CEDILLA:
case LFUN_CIRCLE:
case LFUN_UNDERDOT:
case LFUN_TIE:
case LFUN_OGONEK:
case LFUN_HUNG_UMLAUT:
break;
// Math fonts
case LFUN_FREEFONT_APPLY:
case LFUN_FREEFONT_UPDATE:
handleFont2(cur, cmd.argument);
break;
case LFUN_BOLD:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument, "textbf");
else
handleFont(cur, cmd.argument, "mathbf");
break;
case LFUN_SANS:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument, "textsf");
else
handleFont(cur, cmd.argument, "mathsf");
break;
case LFUN_EMPH:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument, "emph");
else
handleFont(cur, cmd.argument, "mathcal");
break;
case LFUN_ROMAN:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument, "textrm");
else
handleFont(cur, cmd.argument, "mathrm");
break;
case LFUN_CODE:
handleFont(cur, cmd.argument, "texttt");
break;
case LFUN_FRAK:
handleFont(cur, cmd.argument, "mathfrak");
break;
case LFUN_ITAL:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument, "textit");
else
handleFont(cur, cmd.argument, "mathit");
break;
case LFUN_NOUN:
if (currentMode() == TEXT_MODE)
// FIXME: should be "noun"
handleFont(cur, cmd.argument, "textsc");
else
handleFont(cur, cmd.argument, "mathbb");
break;
//case LFUN_FREEFONT_APPLY:
handleFont(cur, cmd.argument, "textrm");
break;
case LFUN_DEFAULT:
handleFont(cur, cmd.argument, "textnormal");
break;
case LFUN_MATH_MODE:
#if 1
// ignore math-mode on when already in math mode
if (currentMode() == InsetBase::MATH_MODE && cmd.argument == "on")
break;
cur.macroModeClose();
selClearOrDel(cur);
//cur.plainInsert(MathAtom(new MathMBoxInset(cur.bv())));
cur.plainInsert(MathAtom(new MathBoxInset("mbox")));
cur.posLeft();
cur.pushLeft(*cur.nextInset());
#else
if (currentMode() == InsetBase::TEXT_MODE) {
cur.niceInsert(MathAtom(new MathHullInset("simple")));
cur.message(_("create new math text environment ($...$)"));
} else {
handleFont(cur, cmd.argument, "textrm");
cur.message(_("entered math text mode (textrm)"));
}
#endif
break;
case LFUN_MATH_SIZE:
#if 0
recordUndo(cur);
cur.setSize(arg);
#endif
break;
case LFUN_INSERT_MATRIX: {
recordUndo(cur, Undo::ATOMIC);
unsigned int m = 1;
unsigned int n = 1;
string v_align;
string h_align;
istringstream is(cmd.argument);
is >> m >> n >> v_align >> h_align;
if (m < 1)
m = 1;
if (n < 1)
n = 1;
v_align += 'c';
cur.niceInsert(
MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
break;
}
case LFUN_MATH_DELIM: {
lyxerr << "MathNestInset::LFUN_MATH_DELIM" << endl;
string ls;
string rs = lyx::support::split(cmd.argument, ls, ' ');
// Reasonable default values
if (ls.empty())
ls = '(';
if (rs.empty())
rs = ')';
recordUndo(cur, Undo::ATOMIC);
cur.handleNest(MathAtom(new MathDelimInset(ls, rs)));
break;
}
case LFUN_SPACE_INSERT:
case LFUN_MATH_SPACE:
recordUndo(cur, Undo::ATOMIC);
cur.insert(MathAtom(new MathSpaceInset(",")));
break;
case LFUN_INSET_ERT:
// interpret this as if a backslash was typed
recordUndo(cur, Undo::ATOMIC);
interpret(cur, '\\');
break;
case LFUN_SUBSCRIPT:
// interpret this as if a _ was typed
recordUndo(cur, Undo::ATOMIC);
interpret(cur, '_');
break;
case LFUN_SUPERSCRIPT:
// interpret this as if a ^ was typed
recordUndo(cur, Undo::ATOMIC);
interpret(cur, '^');
break;
// FIXME: We probably should swap parts of "math-insert" and "self-insert"
// handling such that "self-insert" works on "arbitrary stuff" too, and
// math-insert only handles special math things like "matrix".
case LFUN_INSERT_MATH: {
recordUndo(cur, Undo::ATOMIC);
MathArray ar;
asArray(cmd.argument, ar);
int cell(0);
if (cmd.argument == "\\root")
cell = 1;
if (ar.size() == 1 && (ar[0].nucleus()->asNestInset())) {
cur.handleNest(ar[0], cell);
} else
cur.niceInsert(cmd.argument);
break;
}
case LFUN_DIALOG_SHOW_NEW_INSET: {
string const & name = cmd.argument;
string data;
#if 0
if (name == "ref") {
RefInset tmp(name);
data = tmp.createDialogStr(name);
}
#endif
cur.bv().owner()->getDialogs().show(name, data, 0);
break;
}
case LFUN_INSET_APPLY: {
string const name = cmd.getArg(0);
InsetBase * base = cur.bv().owner()->getDialogs().getOpenInset(name);
if (base) {
FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
base->dispatch(cur, fr);
break;
}
MathArray ar;
if (createMathInset_fromDialogStr(cmd.argument, ar)) {
cur.insert(ar);
break;
}
cur.undispatched();
break;
}
default:
MathDimInset::doDispatch(cur, cmd);
break;
}
}
bool MathNestInset::getStatus(LCursor & /*cur*/, FuncRequest const & cmd,
FuncStatus & flag) const
{
// the font related toggles
//string tc = "mathnormal";
bool ret = true;
string const arg = cmd.argument;
switch (cmd.action) {
case LFUN_TABULAR_FEATURE:
flag.enabled(false);
break;
#if 0
case LFUN_TABULAR_FEATURE:
// FIXME: check temporarily disabled
// valign code
char align = mathcursor::valign();
if (align == '\0') {
enable = false;
break;
}
if (cmd.argument.empty()) {
flag.clear();
break;
}
if (!contains("tcb", cmd.argument[0])) {
enable = false;
break;
}
flag.setOnOff(cmd.argument[0] == align);
break;
case LFUN_BOLD:
flag.setOnOff(tc == "mathbf");
break;
case LFUN_SANS:
flag.setOnOff(tc == "mathsf");
break;
case LFUN_EMPH:
flag.setOnOff(tc == "mathcal");
break;
case LFUN_ROMAN:
flag.setOnOff(tc == "mathrm");
break;
case LFUN_CODE:
flag.setOnOff(tc == "mathtt");
break;
case LFUN_NOUN:
flag.setOnOff(tc == "mathbb");
break;
case LFUN_DEFAULT:
flag.setOnOff(tc == "mathnormal");
break;
#endif
case LFUN_MATH_MUTATE:
//flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
flag.setOnOff(false);
break;
// we just need to be in math mode to enable that
case LFUN_MATH_SIZE:
case LFUN_MATH_SPACE:
case LFUN_MATH_LIMITS:
case LFUN_MATH_NONUMBER:
case LFUN_MATH_NUMBER:
case LFUN_MATH_EXTERN:
flag.enabled(true);
break;
case LFUN_FRAK:
flag.enabled(currentMode() != TEXT_MODE);
break;
case LFUN_INSERT_MATH: {
bool const textarg =
arg == "\\textbf" || arg == "\\textsf" ||
arg == "\\textrm" || arg == "\\textmd" ||
arg == "\\textit" || arg == "\\textsc" ||
arg == "\\textsl" || arg == "\\textup" ||
arg == "\\texttt" || arg == "\\textbb" ||
arg == "\\textnormal";
flag.enabled(currentMode() != TEXT_MODE || textarg);
break;
}
case LFUN_INSERT_MATRIX:
flag.enabled(currentMode() == MATH_MODE);
break;
default:
ret = false;
break;
}
return ret;
}
void MathNestInset::edit(LCursor & cur, bool left)
{
cur.push(*this);
cur.idx() = left ? 0 : cur.lastidx();
cur.pos() = left ? 0 : cur.lastpos();
cur.resetAnchor();
lyxerr << "MathNestInset::edit, cur:\n" << cur << endl;
}
InsetBase * MathNestInset::editXY(LCursor & cur, int x, int y) const
{
int idx_min = 0;
int dist_min = 1000000;
for (idx_type i = 0; i < nargs(); ++i) {
int d = cell(i).dist(x, y);
if (d < dist_min) {
dist_min = d;
idx_min = i;
}
}
MathArray const & ar = cell(idx_min);
cur.push(const_cast<MathNestInset&>(*this));
cur.idx() = idx_min;
cur.pos() = ar.x2pos(x - ar.xo());
lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
if (dist_min == 0) {
// hit inside cell
for (pos_type i = 0, n = ar.size(); i < n; ++i)
if (ar[i]->covers(x, y))
return ar[i].nucleus()->editXY(cur, x, y);
}
return const_cast<MathNestInset*>(this);
}
void MathNestInset::lfunMousePress(LCursor & cur, FuncRequest & cmd)
{
//lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
if (cmd.button() == mouse_button::button1) {
//lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
cur.resetAnchor();
cur.bv().cursor() = cur;
}
if (cmd.button() == mouse_button::button2) {
cur.dispatch(FuncRequest(LFUN_PASTESELECTION));
}
}
void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
{
// only select with button 1
if (cmd.button() == mouse_button::button1) {
LCursor & bvcur = cur.bv().cursor();
if (bvcur.anchor_.hasPart(cur)) {
//lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
bvcur.setCursor(cur);
bvcur.selection() = true;
//lyxerr << "MOTION " << bvcur << endl;
}
else {
cur.undispatched();
}
}
}
void MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
{
//lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
if (cmd.button() == mouse_button::button1) {
//cur.bv().stuffClipboard(cur.grabSelection());
return;
}
if (cmd.button() == mouse_button::button2) {
MathArray ar;
asArray(cur.bv().getClipboard(), ar);
cur.clearSelection();
cur.setScreenPos(cmd.x, cmd.y);
cur.insert(ar);
cur.bv().update();
return;
}
if (cmd.button() == mouse_button::button3) {
// try to dispatch to enclosed insets first
cur.bv().owner()->getDialogs().show("mathpanel");
return;
}
cur.undispatched();
}
bool MathNestInset::interpret(LCursor & cur, char c)
{
lyxerr << "interpret 2: '" << c << "'" << endl;
cur.clearTargetX();
// handle macroMode
if (cur.inMacroMode()) {
string name = cur.macroName();
/// are we currently typing '#1' or '#2' or...?
if (name == "\\#") {
cur.backspace();
int n = c - '0';
if (n >= 1 && n <= 9)
cur.insert(new MathMacroArgument(n));
return true;
}
if (isalpha(c)) {
cur.activeMacro()->setName(name + c);
return true;
}
// handle 'special char' macros
if (name == "\\") {
// remove the '\\'
if (c == '\\') {
cur.backspace();
if (currentMode() == MathInset::TEXT_MODE)
cur.niceInsert(createMathInset("textbackslash"));
else
cur.niceInsert(createMathInset("backslash"));
} else if (c == '{') {
cur.backspace();
cur.niceInsert(MathAtom(new MathBraceInset));
} else if (c == '%') {
cur.backspace();
cur.niceInsert(MathAtom(new MathCommentInset));
} else if (c == '#') {
BOOST_ASSERT(cur.activeMacro());
cur.activeMacro()->setName(name + c);
} else {
cur.backspace();
cur.niceInsert(createMathInset(string(1, c)));
}
return true;
}
// leave macro mode and try again if necessary
cur.macroModeClose();
if (c == '{')
cur.niceInsert(MathAtom(new MathBraceInset));
else if (c != ' ')
interpret(cur, c);
return true;
}
// This is annoying as one has to press <space> far too often.
// Disable it.
#if 0
// leave autocorrect mode if necessary
if (autocorrect() && c == ' ') {
autocorrect() = false;
return true;
}
#endif
// just clear selection on pressing the space bar
if (cur.selection() && c == ' ') {
cur.selection() = false;
return true;
}
selClearOrDel(cur);
if (c == '\\') {
//lyxerr << "starting with macro" << endl;
cur.insert(MathAtom(new MathUnknownInset("\\", false)));
return true;
}
if (c == '\n') {
if (currentMode() == MathInset::TEXT_MODE)
cur.insert(c);
return true;
}
if (c == ' ') {
if (currentMode() == MathInset::TEXT_MODE) {
// insert spaces in text mode,
// but suppress direct insertion of two spaces in a row
// the still allows typing '<space>a<space>' and deleting the 'a', but
// it is better than nothing...
if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
cur.insert(c);
return true;
}
if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
return true;
}
if (cur.popRight())
return true;
// if are at the very end, leave the formula
return cur.pos() != cur.lastpos();
}
// These shouldn't work in text mode:
if (currentMode() != MathInset::TEXT_MODE) {
if (c == '_') {
script(cur, false);
return true;
}
if (c == '^') {
script(cur, true);
return true;
}
if (c == '~') {
cur.niceInsert(createMathInset("sim"));
return true;
}
}
if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' || c == '%') {
cur.niceInsert(createMathInset(string(1, c)));
return true;
}
// try auto-correction
//if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
// return true;
// no special circumstances, so insert the character without any fuss
cur.insert(c);
cur.autocorrect() = true;
return true;
}
bool MathNestInset::script(LCursor & cur, bool up)
{
// Hack to get \^ and \_ working
lyxerr << "handling script: up: " << up << endl;
if (cur.inMacroMode() && cur.macroName() == "\\") {
if (up)
cur.niceInsert(createMathInset("mathcircumflex"));
else
interpret(cur, '_');
return true;
}
cur.macroModeClose();
string safe = grabAndEraseSelection(cur);
if (asScriptInset() && cur.idx() == 0) {
// we are in a nucleus of a script inset, move to _our_ script
MathScriptInset * inset = asScriptInset();
lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
inset->ensure(up);
cur.idx() = inset->idxOfScript(up);
cur.pos() = 0;
} else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
--cur.pos();
MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
cur.push(*inset);
cur.idx() = inset->idxOfScript(up);
cur.pos() = cur.lastpos();
} else {
// convert the thing to our left to a scriptinset or create a new
// one if in the very first position of the array
if (cur.pos() == 0) {
lyxerr << "new scriptinset" << endl;
cur.insert(new MathScriptInset(up));
} else {
lyxerr << "converting prev atom " << endl;
cur.prevAtom() = MathAtom(new MathScriptInset(cur.prevAtom(), up));
}
--cur.pos();
MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
cur.push(*inset);
cur.idx() = 1;
cur.pos() = 0;
}
lyxerr << "pasting 1: safe:\n" << safe << endl;
cur.paste(safe);
cur.resetAnchor();
lyxerr << "pasting 2: safe:\n" << safe << endl;
return true;
}
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