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lyx_mirror/src/mathed/InsetMathNest.cpp
Dov Feldstern b4372a37d9 Getting rid of LTR bias --- part 2/? 
This is a continuation of r21128. This round fixes the "Word" movement
functions and LFUNS.

Behavior should remain unchanged by this fix.



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21244 a592a061-630c-0410-9148-cb99ea01b6c8
2007-10-28 20:35:57 +00:00

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/**
* \file InsetMathNest.cpp
* 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 "InsetMathNest.h"
#include "InsetMathArray.h"
#include "InsetMathBig.h"
#include "InsetMathBox.h"
#include "InsetMathBrace.h"
#include "InsetMathColor.h"
#include "InsetMathComment.h"
#include "InsetMathDelim.h"
#include "InsetMathHull.h"
//#include "InsetMathMBox.h"
#include "InsetMathRef.h"
#include "InsetMathScript.h"
#include "InsetMathSpace.h"
#include "InsetMathSymbol.h"
#include "InsetMathUnknown.h"
#include "MathData.h"
#include "MathFactory.h"
#include "MathMacroArgument.h"
#include "MathParser.h"
#include "MathStream.h"
#include "MathSupport.h"
#include "Bidi.h"
#include "BufferView.h"
#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "debug.h"
#include "DispatchResult.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "LyXFunc.h"
#include "gettext.h"
#include "Text.h"
#include "OutputParams.h"
#include "support/lstrings.h"
#include "support/textutils.h"
#include "frontends/Clipboard.h"
#include "frontends/Painter.h"
#include "frontends/Selection.h"
#include "FuncRequest.h"
#include <sstream>
namespace lyx {
using cap::copySelection;
using cap::grabAndEraseSelection;
using cap::cutSelection;
using cap::replaceSelection;
using cap::selClearOrDel;
using std::endl;
using std::string;
using std::istringstream;
InsetMathNest::InsetMathNest(idx_type nargs)
: cells_(nargs), lock_(false), mouse_hover_(false)
{}
InsetMathNest::InsetMathNest(InsetMathNest const & inset)
: InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
mouse_hover_(false)
{}
InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
{
cells_ = inset.cells_;
lock_ = inset.lock_;
mouse_hover_ = false;
InsetMath::operator=(inset);
return *this;
}
InsetMath::idx_type InsetMathNest::nargs() const
{
return cells_.size();
}
void InsetMathNest::cursorPos(BufferView const & bv,
CursorSlice const & sl, bool /*boundary*/,
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 MathData::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));
MathData const & ar = sl.cell();
CoordCache const & coord_cache = bv.coordCache();
if (!coord_cache.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 = coord_cache.getArrays().xy(&ar);
if (!coord_cache.getInsets().has(this)) {
// same as above
//lyxerr << "no cached data for inset " << this << endl;
x = 0;
y = 0;
return;
}
Point const pt2 = coord_cache.getInsets().xy(this);
//lyxerr << "retrieving position cache for MathData "
// << 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 InsetMathNest::metrics(MetricsInfo const & mi) const
{
MetricsInfo m = mi;
for (idx_type i = 0, n = nargs(); i != n; ++i) {
Dimension dim;
cell(i).metrics(m, dim);
}
}
bool InsetMathNest::idxNext(Cursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (cur.idx() == cur.lastidx())
return false;
++cur.idx();
cur.pos() = 0;
return true;
}
bool InsetMathNest::idxRight(Cursor & cur) const
{
return idxNext(cur);
}
bool InsetMathNest::idxPrev(Cursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (cur.idx() == 0)
return false;
--cur.idx();
cur.pos() = cur.lastpos();
return true;
}
bool InsetMathNest::idxLeft(Cursor & cur) const
{
return idxPrev(cur);
}
bool InsetMathNest::idxFirst(Cursor & cur) const
{
BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
if (nargs() == 0)
return false;
cur.idx() = 0;
cur.pos() = 0;
return true;
}
bool InsetMathNest::idxLast(Cursor & 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 InsetMathNest::dump() const
{
odocstringstream oss;
WriteStream os(oss);
os << "---------------------------------------------\n";
write(os);
os << "\n";
for (idx_type i = 0, n = nargs(); i != n; ++i)
os << cell(i) << "\n";
os << "---------------------------------------------\n";
lyxerr << to_utf8(oss.str());
}
void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
{
#if 0
if (lock_)
pi.pain.fillRectangle(x, y - ascent(), width(), height(),
Color_mathlockbg);
#endif
setPosCache(pi, x, y);
}
void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
{
BufferView & bv = *pi.base.bv;
// this should use the x/y values given, not the cached values
Cursor & cur = bv.cursor();
if (!cur.selection())
return;
if (!ptr_cmp(&cur.inset(), this))
return;
// FIXME: hack to get position cache warm
pi.pain.setDrawingEnabled(false);
draw(pi, x, y);
pi.pain.setDrawingEnabled(true);
CursorSlice s1 = cur.selBegin();
CursorSlice s2 = cur.selEnd();
//lyxerr << "InsetMathNest::drawing selection: "
// << " s1: " << s1 << " s2: " << s2 << endl;
if (s1.idx() == s2.idx()) {
MathData const & c = cell(s1.idx());
Geometry const & g = bv.coordCache().getArrays().geometry(&c);
int x1 = g.pos.x_ + c.pos2x(s1.pos());
int y1 = g.pos.y_ - g.dim.ascent();
int x2 = g.pos.x_ + c.pos2x(s2.pos());
int y2 = g.pos.y_ + g.dim.descent();
pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
//lyxerr << "InsetMathNest::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())) {
MathData const & c = cell(i);
Geometry const & g = bv.coordCache().getArrays().geometry(&c);
int x1 = g.pos.x_;
int y1 = g.pos.y_ - g.dim.ascent();
int x2 = g.pos.x_ + g.dim.width();
int y2 = g.pos.y_ + g.dim.descent();
pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
}
}
}
}
void InsetMathNest::validate(LaTeXFeatures & features) const
{
for (idx_type i = 0; i < nargs(); ++i)
cell(i).validate(features);
}
void InsetMathNest::replace(ReplaceData & rep)
{
for (idx_type i = 0; i < nargs(); ++i)
cell(i).replace(rep);
}
bool InsetMathNest::contains(MathData const & ar) const
{
for (idx_type i = 0; i < nargs(); ++i)
if (cell(i).contains(ar))
return true;
return false;
}
bool InsetMathNest::lock() const
{
return lock_;
}
void InsetMathNest::lock(bool l)
{
lock_ = l;
}
bool InsetMathNest::isActive() const
{
return nargs() > 0;
}
MathData InsetMathNest::glue() const
{
MathData ar;
for (size_t i = 0; i < nargs(); ++i)
ar.append(cell(i));
return ar;
}
void InsetMathNest::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 InsetMathNest::normalize(NormalStream & os) const
{
os << '[' << name().c_str();
for (size_t i = 0; i < nargs(); ++i)
os << ' ' << cell(i);
os << ']';
}
int InsetMathNest::latex(Buffer const &, odocstream & os,
OutputParams const & runparams) const
{
WriteStream wi(os, runparams.moving_arg, true);
write(wi);
return wi.line();
}
bool InsetMathNest::setMouseHover(bool mouse_hover)
{
mouse_hover_ = mouse_hover;
return true;
}
bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
{
// FIXME: look here
#if 0
MathData & ar = cur.cell();
// remove base-only "scripts"
for (pos_type i = 0; i + 1 < ar.size(); ++i) {
InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
if (p && p->nargs() == 1) {
MathData 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) {
InsetMathFont * p = operator[](i).nucleus()->asFontInset();
InsetMathFont 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
return false;
}
void InsetMathNest::handleFont
(Cursor & cur, docstring const & arg, char const * const font)
{
handleFont(cur, arg, from_ascii(font));
}
void InsetMathNest::handleFont
(Cursor & cur, docstring const & arg, docstring const & font)
{
// this whole function is a hack and won't work for incremental font
// changes...
if (cur.inset().asInsetMath()->name() == font) {
cur.recordUndoInset();
cur.handleFont(to_utf8(font));
} else {
cur.recordUndo();
cur.handleNest(createInsetMath(font));
cur.insert(arg);
}
}
void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
{
cur.recordUndo();
Font font;
bool b;
font.fromString(to_utf8(arg), b);
if (font.fontInfo().color() != Color_inherit) {
MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
cur.handleNest(at, 0);
}
}
void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
{
//lyxerr << "InsetMathNest: request: " << cmd << std::endl;
//CursorSlice sl = cur.current();
switch (cmd.action) {
case LFUN_PASTE: {
cur.recordUndo();
cur.message(_("Paste"));
replaceSelection(cur);
docstring topaste;
if (cmd.argument().empty() && !theClipboard().isInternal())
topaste = theClipboard().getAsText();
else {
size_t n = 0;
idocstringstream is(cmd.argument());
is >> n;
topaste = cap::getSelection(cur.buffer(), n);
}
cur.niceInsert(topaste);
cur.clearSelection(); // bug 393
cur.finishUndo();
break;
}
case LFUN_CUT:
cur.recordUndo();
cutSelection(cur, true, true);
cur.message(_("Cut"));
// Prevent stale position >= size crash
// Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
cur.normalize();
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_BACKWARD:
cur.bv().cursor() = cur;
break;
case LFUN_FINISHED_FORWARD:
++cur.pos();
cur.bv().cursor() = cur;
break;
case LFUN_CHAR_FORWARD:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_CHAR_FORWARD_SELECT:
cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
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_FORWARD);
cur.undispatched();
}
break;
case LFUN_CHAR_BACKWARD:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_CHAR_BACKWARD_SELECT:
cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
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_BACKWARD);
cur.undispatched();
}
break;
case LFUN_CHAR_RIGHT:
case LFUN_CHAR_RIGHT_SELECT:
//FIXME: for visual cursor, really move right
if (reverseDirectionNeeded(cur))
lyx::dispatch(FuncRequest(
cmd.action == LFUN_CHAR_RIGHT_SELECT ?
LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
else
lyx::dispatch(FuncRequest(
cmd.action == LFUN_CHAR_RIGHT_SELECT ?
LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
break;
case LFUN_CHAR_LEFT:
case LFUN_CHAR_LEFT_SELECT:
//FIXME: for visual cursor, really move left
if (reverseDirectionNeeded(cur))
lyx::dispatch(FuncRequest(
cmd.action == LFUN_CHAR_LEFT_SELECT ?
LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
else
lyx::dispatch(FuncRequest(
cmd.action == LFUN_CHAR_LEFT_SELECT ?
LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
break;
case LFUN_DOWN:
case LFUN_UP:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_DOWN_SELECT:
case LFUN_UP_SELECT: {
// close active macro
if (cur.inMacroMode()) {
cur.macroModeClose();
break;
}
// stop/start the selection
bool select = cmd.action == LFUN_DOWN_SELECT ||
cmd.action == LFUN_UP_SELECT;
cur.selHandle(select);
// go up/down
bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
bool successful = cur.upDownInMath(up);
if (successful) {
// notify left insets and give them chance to set update flags
lyx::notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
cur.fixIfBroken();
break;
}
if (cur.fixIfBroken())
// FIXME: Something bad happened. We pass the corrected Cursor
// instead of letting things go worse.
break;
// We did not manage to move the cursor.
cur.undispatched();
break;
}
case LFUN_MOUSE_DOUBLE:
case LFUN_MOUSE_TRIPLE:
case LFUN_WORD_SELECT:
cur.pos() = 0;
cur.idx() = 0;
cur.resetAnchor();
cur.selection() = true;
cur.pos() = cur.lastpos();
cur.idx() = cur.lastidx();
break;
case LFUN_PARAGRAPH_UP:
case LFUN_PARAGRAPH_DOWN:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_PARAGRAPH_UP_SELECT:
case LFUN_PARAGRAPH_DOWN_SELECT:
break;
case LFUN_LINE_BEGIN:
case LFUN_WORD_BACKWARD:
case LFUN_WORD_LEFT:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_LINE_BEGIN_SELECT:
case LFUN_WORD_BACKWARD_SELECT:
case LFUN_WORD_LEFT_SELECT:
cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
cmd.action == LFUN_WORD_LEFT_SELECT ||
cmd.action == LFUN_LINE_BEGIN_SELECT);
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_BACKWARD);
cur.undispatched();
}
break;
case LFUN_WORD_FORWARD:
case LFUN_WORD_RIGHT:
case LFUN_LINE_END:
cur.updateFlags(Update::Decoration | Update::FitCursor);
case LFUN_WORD_FORWARD_SELECT:
case LFUN_WORD_RIGHT_SELECT:
case LFUN_LINE_END_SELECT:
cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
cmd.action == LFUN_WORD_RIGHT_SELECT ||
cmd.action == LFUN_LINE_END_SELECT);
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_FORWARD);
cur.undispatched();
}
break;
case LFUN_SCREEN_UP_SELECT:
cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
cur.undispatched();
break;
case LFUN_SCREEN_DOWN_SELECT:
cmd = FuncRequest(LFUN_FINISHED_FORWARD);
cur.undispatched();
break;
case LFUN_CELL_FORWARD:
cur.updateFlags(Update::Decoration | Update::FitCursor);
cur.inset().idxNext(cur);
break;
case LFUN_CELL_BACKWARD:
cur.updateFlags(Update::Decoration | Update::FitCursor);
cur.inset().idxPrev(cur);
break;
case LFUN_WORD_DELETE_BACKWARD:
case LFUN_CHAR_DELETE_BACKWARD:
if (cur.pos() == 0)
// May affect external cell:
cur.recordUndoInset();
else
cur.recordUndo();
// if the inset can not be removed from within, delete it
if (!cur.backspace()) {
FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
cur.innerText()->dispatch(cur, cmd);
}
break;
case LFUN_WORD_DELETE_FORWARD:
case LFUN_CHAR_DELETE_FORWARD:
if (cur.pos() == cur.lastpos())
// May affect external cell:
cur.recordUndoInset();
else
cur.recordUndo();
// if the inset can not be removed from within, delete it
if (!cur.erase()) {
FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
cur.innerText()->dispatch(cur, cmd);
}
break;
case LFUN_ESCAPE:
if (cur.selection())
cur.clearSelection();
else {
cmd = FuncRequest(LFUN_FINISHED_FORWARD);
cur.undispatched();
}
break;
case LFUN_INSET_TOGGLE:
cur.recordUndo();
lock(!lock());
cur.popRight();
break;
case LFUN_SELF_INSERT:
if (cmd.argument().size() != 1) {
cur.recordUndo();
docstring const arg = cmd.argument();
if (!interpretString(cur, arg))
cur.insert(arg);
break;
}
// Don't record undo steps if we are in macro mode and
// cmd.argument is the next character of the macro name.
// Otherwise we'll get an invalid cursor if we undo after
// the macro was finished and the macro is a known command,
// e.g. sqrt. Cursor::macroModeClose replaces in this case
// the InsetMathUnknown with name "frac" by an empty
// InsetMathFrac -> a pos value > 0 is invalid.
// A side effect is that an undo before the macro is finished
// undoes the complete macro, not only the last character.
if (!cur.inMacroMode())
cur.recordUndo();
// spacial handling of space. If we insert an inset
// via macro mode, we want to put the cursor inside it
// if relevant. Think typing "\frac<space>".
if (cmd.argument()[0] == ' '
&& cur.inMacroMode() && cur.macroName() != "\\"
&& cur.macroModeClose()) {
MathAtom const atom = cur.prevAtom();
if (atom->asNestInset() && atom->isActive()) {
cur.posLeft();
cur.pushLeft(*cur.nextInset());
}
} else if (!interpretChar(cur, cmd.argument()[0])) {
cmd = FuncRequest(LFUN_FINISHED_FORWARD);
cur.undispatched();
}
break;
//case LFUN_SERVER_GET_XY:
// sprintf(dispatch_buffer, "%d %d",);
// break;
case LFUN_SERVER_SET_XY: {
lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
int x = 0;
int y = 0;
istringstream is(to_utf8(cmd.argument()));
is >> x >> y;
cur.setScreenPos(x, y);
break;
}
// Special casing for superscript in case of LyX handling
// dead-keys:
case LFUN_ACCENT_CIRCUMFLEX:
if (cmd.argument().empty()) {
// do superscript if LyX handles
// deadkeys
cur.recordUndo();
script(cur, true, grabAndEraseSelection(cur));
}
break;
case LFUN_ACCENT_UMLAUT:
case LFUN_ACCENT_ACUTE:
case LFUN_ACCENT_GRAVE:
case LFUN_ACCENT_BREVE:
case LFUN_ACCENT_DOT:
case LFUN_ACCENT_MACRON:
case LFUN_ACCENT_CARON:
case LFUN_ACCENT_TILDE:
case LFUN_ACCENT_CEDILLA:
case LFUN_ACCENT_CIRCLE:
case LFUN_ACCENT_UNDERDOT:
case LFUN_ACCENT_TIE:
case LFUN_ACCENT_OGONEK:
case LFUN_ACCENT_HUNGARIAN_UMLAUT:
break;
// Math fonts
case LFUN_FONT_FREE_APPLY:
case LFUN_FONT_FREE_UPDATE:
handleFont2(cur, cmd.argument());
break;
case LFUN_FONT_BOLD:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "textbf");
else
handleFont(cur, cmd.argument(), "mathbf");
break;
case LFUN_FONT_SANS:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "textsf");
else
handleFont(cur, cmd.argument(), "mathsf");
break;
case LFUN_FONT_EMPH:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "emph");
else
handleFont(cur, cmd.argument(), "mathcal");
break;
case LFUN_FONT_ROMAN:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "textrm");
else
handleFont(cur, cmd.argument(), "mathrm");
break;
case LFUN_FONT_TYPEWRITER:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "texttt");
else
handleFont(cur, cmd.argument(), "mathtt");
break;
case LFUN_FONT_FRAK:
handleFont(cur, cmd.argument(), "mathfrak");
break;
case LFUN_FONT_ITAL:
if (currentMode() == TEXT_MODE)
handleFont(cur, cmd.argument(), "textit");
else
handleFont(cur, cmd.argument(), "mathit");
break;
case LFUN_FONT_NOUN:
if (currentMode() == TEXT_MODE)
// FIXME: should be "noun"
handleFont(cur, cmd.argument(), "textsc");
else
handleFont(cur, cmd.argument(), "mathbb");
break;
/*
case LFUN_FONT_FREE_APPLY:
handleFont(cur, cmd.argument(), "textrm");
break;
*/
case LFUN_FONT_DEFAULT:
handleFont(cur, cmd.argument(), "textnormal");
break;
case LFUN_MATH_MODE: {
#if 1
// ignore math-mode on when already in math mode
if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
break;
cur.macroModeClose();
docstring const save_selection = grabAndEraseSelection(cur);
selClearOrDel(cur);
//cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
cur.posLeft();
cur.pushLeft(*cur.nextInset());
cur.niceInsert(save_selection);
#else
if (currentMode() == Inset::TEXT_MODE) {
cur.niceInsert(MathAtom(new InsetMathHull("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
cur.recordUndo();
cur.setSize(arg);
#endif
break;
case LFUN_MATH_MATRIX: {
cur.recordUndo();
unsigned int m = 1;
unsigned int n = 1;
docstring v_align;
docstring h_align;
idocstringstream 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 InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
break;
}
case LFUN_MATH_DELIM: {
docstring ls;
docstring rs = support::split(cmd.argument(), ls, ' ');
// Reasonable default values
if (ls.empty())
ls = '(';
if (rs.empty())
rs = ')';
cur.recordUndo();
cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
break;
}
case LFUN_MATH_BIGDELIM: {
docstring const lname = from_utf8(cmd.getArg(0));
docstring const ldelim = from_utf8(cmd.getArg(1));
docstring const rname = from_utf8(cmd.getArg(2));
docstring const rdelim = from_utf8(cmd.getArg(3));
latexkeys const * l = in_word_set(lname);
bool const have_l = l && l->inset == "big" &&
InsetMathBig::isBigInsetDelim(ldelim);
l = in_word_set(rname);
bool const have_r = l && l->inset == "big" &&
InsetMathBig::isBigInsetDelim(rdelim);
// We mimic LFUN_MATH_DELIM in case we have an empty left
// or right delimiter.
if (have_l || have_r) {
cur.recordUndo();
docstring const selection = grabAndEraseSelection(cur);
selClearOrDel(cur);
if (have_l)
cur.insert(MathAtom(new InsetMathBig(lname,
ldelim)));
cur.niceInsert(selection);
if (have_r)
cur.insert(MathAtom(new InsetMathBig(rname,
rdelim)));
}
// Don't call cur.undispatched() if we did nothing, this would
// lead to infinite recursion via Text::dispatch().
break;
}
case LFUN_SPACE_INSERT:
case LFUN_MATH_SPACE:
cur.recordUndo();
cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
break;
case LFUN_ERT_INSERT:
// interpret this as if a backslash was typed
cur.recordUndo();
interpretChar(cur, '\\');
break;
case LFUN_MATH_SUBSCRIPT:
// interpret this as if a _ was typed
cur.recordUndo();
interpretChar(cur, '_');
break;
case LFUN_MATH_SUPERSCRIPT:
// interpret this as if a ^ was typed
cur.recordUndo();
interpretChar(cur, '^');
break;
case LFUN_QUOTE_INSERT:
// interpret this as if a straight " was typed
cur.recordUndo();
interpretChar(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_MATH_INSERT: {
cur.recordUndo();
if (cmd.argument() == "^" || cmd.argument() == "_") {
interpretChar(cur, cmd.argument()[0]);
} else
cur.niceInsert(cmd.argument());
break;
}
case LFUN_DIALOG_SHOW_NEW_INSET: {
docstring const & name = cmd.argument();
string data;
if (name == "ref") {
InsetMathRef tmp(name);
data = tmp.createDialogStr(to_utf8(name));
}
cur.bv().showInsetDialog(to_utf8(name), data, 0);
break;
}
case LFUN_INSET_INSERT: {
MathData ar;
if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
cur.recordUndo();
cur.insert(ar);
} else
cur.undispatched();
break;
}
case LFUN_INSET_DISSOLVE:
if (!asHullInset()) {
cur.recordUndoInset();
cur.pullArg();
}
break;
default:
InsetMath::doDispatch(cur, cmd);
break;
}
}
bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
// the font related toggles
//string tc = "mathnormal";
bool ret = true;
string const arg = to_utf8(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;
#endif
/// We have to handle them since 1.4 blocks all unhandled actions
case LFUN_FONT_ITAL:
case LFUN_FONT_BOLD:
case LFUN_FONT_SANS:
case LFUN_FONT_EMPH:
case LFUN_FONT_TYPEWRITER:
case LFUN_FONT_NOUN:
case LFUN_FONT_ROMAN:
case LFUN_FONT_DEFAULT:
flag.enabled(true);
break;
case LFUN_MATH_MUTATE:
//flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(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_FONT_FRAK:
flag.enabled(currentMode() != TEXT_MODE);
break;
case LFUN_MATH_INSERT: {
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_MATH_MATRIX:
flag.enabled(currentMode() == MATH_MODE);
break;
case LFUN_INSET_INSERT: {
// Don't test createMathInset_fromDialogStr(), since
// getStatus is not called with a valid reference and the
// dialog would not be applyable.
string const name = cmd.getArg(0);
flag.enabled(name == "ref");
break;
}
case LFUN_MATH_DELIM:
case LFUN_MATH_BIGDELIM:
// Don't do this with multi-cell selections
flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
break;
case LFUN_HYPHENATION_POINT_INSERT:
case LFUN_LIGATURE_BREAK_INSERT:
case LFUN_MENU_SEPARATOR_INSERT:
case LFUN_DOTS_INSERT:
case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
// FIXME: These would probably make sense in math-text mode
flag.enabled(false);
break;
case LFUN_INSET_DISSOLVE:
flag.enabled(!asHullInset());
break;
default:
ret = false;
break;
}
return ret;
}
void InsetMathNest::edit(Cursor & cur, bool left)
{
cur.push(*this);
cur.idx() = left ? 0 : cur.lastidx();
cur.pos() = left ? 0 : cur.lastpos();
cur.resetAnchor();
//lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
}
Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
{
int idx_min = 0;
int dist_min = 1000000;
for (idx_type i = 0, n = nargs(); i != n; ++i) {
int const d = cell(i).dist(cur.bv(), x, y);
if (d < dist_min) {
dist_min = d;
idx_min = i;
}
}
MathData & ar = cell(idx_min);
cur.push(*this);
cur.idx() = idx_min;
cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
//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(cur.bv(), x, y))
return ar[i].nucleus()->editXY(cur, x, y);
}
return this;
}
void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
{
//lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
BufferView & bv = cur.bv();
bool do_selection = cmd.button() == mouse_button::button1
&& cmd.argument() == "region-select";
bv.mouseSetCursor(cur, do_selection);
if (cmd.button() == mouse_button::button1) {
//lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
// Update the cursor update flags as needed:
//
// Update::Decoration: tells to update the decoration
// (visual box corners that define
// the inset)/
// Update::FitCursor: adjust the screen to the cursor
// position if needed
// cur.result().update(): don't overwrite previously set flags.
cur.updateFlags(Update::Decoration | Update::FitCursor
| cur.result().update());
} else if (cmd.button() == mouse_button::button2) {
if (cap::selection()) {
// See comment in Text::dispatch why we do this
cap::copySelectionToStack();
cmd = FuncRequest(LFUN_PASTE, "0");
doDispatch(bv.cursor(), cmd);
} else {
MathData ar;
asArray(theSelection().get(), ar);
bv.cursor().insert(ar);
}
}
}
void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
{
// only select with button 1
if (cmd.button() == mouse_button::button1) {
Cursor & 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 InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
{
//lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
if (cmd.button() == mouse_button::button1) {
if (!cur.selection())
cur.noUpdate();
else {
Cursor & bvcur = cur.bv().cursor();
bvcur.selection() = true;
}
return;
}
cur.undispatched();
}
bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
{
//lyxerr << "interpret 2: '" << c << "'" << endl;
docstring save_selection;
if (c == '^' || c == '_')
save_selection = grabAndEraseSelection(cur);
cur.clearTargetX();
// handle macroMode
if (cur.inMacroMode()) {
docstring 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 (isAlphaASCII(c)) {
cur.activeMacro()->setName(name + docstring(1, c));
return true;
}
// handle 'special char' macros
if (name == "\\") {
// remove the '\\'
if (c == '\\') {
cur.backspace();
if (currentMode() == InsetMath::TEXT_MODE)
cur.niceInsert(createInsetMath("textbackslash"));
else
cur.niceInsert(createInsetMath("backslash"));
} else if (c == '{') {
cur.backspace();
cur.niceInsert(MathAtom(new InsetMathBrace));
} else if (c == '%') {
cur.backspace();
cur.niceInsert(MathAtom(new InsetMathComment));
} else if (c == '#') {
BOOST_ASSERT(cur.activeMacro());
cur.activeMacro()->setName(name + docstring(1, c));
} else {
cur.backspace();
cur.niceInsert(createInsetMath(docstring(1, c)));
}
return true;
}
// One character big delimiters. The others are handled in
// interpretString().
latexkeys const * l = in_word_set(name.substr(1));
if (name[0] == '\\' && l && l->inset == "big") {
docstring delim;
switch (c) {
case '{':
delim = from_ascii("\\{");
break;
case '}':
delim = from_ascii("\\}");
break;
default:
delim = docstring(1, c);
break;
}
if (InsetMathBig::isBigInsetDelim(delim)) {
// name + delim ared a valid InsetMathBig.
// We can't use cur.macroModeClose() because
// it does not handle delim.
InsetMathUnknown * p = cur.activeMacro();
p->finalize();
--cur.pos();
cur.cell().erase(cur.pos());
cur.plainInsert(MathAtom(
new InsetMathBig(name.substr(1), delim)));
return true;
}
}
// leave macro mode and try again if necessary
cur.macroModeClose();
if (c == '{')
cur.niceInsert(MathAtom(new InsetMathBrace));
else if (c != ' ')
interpretChar(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 InsetMathUnknown(from_ascii("\\"), false)));
return true;
}
if (c == '\n') {
if (currentMode() == InsetMath::TEXT_MODE)
cur.insert(c);
return true;
}
if (c == ' ') {
if (currentMode() == InsetMath::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);
// FIXME: we have to enable full redraw here because of the
// visual box corners that define the inset. If we know for
// sure that we stay within the same cell we can optimize for
// that using:
//cur.updateFlags(Update::SinglePar | Update::FitCursor);
}
return true;
}
if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
// FIXME: we have to enable full redraw here because of the
// visual box corners that define the inset. If we know for
// sure that we stay within the same cell we can optimize for
// that using:
//cur.updateFlags(Update::SinglePar | Update::FitCursor);
return true;
}
if (cur.popRight()) {
// FIXME: we have to enable full redraw here because of the
// visual box corners that define the inset. If we know for
// sure that we stay within the same cell we can optimize for
// that using:
//cur.updateFlags(Update::FitCursor);
return true;
}
// if we are at the very end, leave the formula
return cur.pos() != cur.lastpos();
}
// These shouldn't work in text mode:
if (currentMode() != InsetMath::TEXT_MODE) {
if (c == '_') {
script(cur, false, save_selection);
return true;
}
if (c == '^') {
script(cur, true, save_selection);
return true;
}
if (c == '~') {
cur.niceInsert(createInsetMath("sim"));
return true;
}
}
if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
c == '%' || c == '_' || c == '^') {
cur.niceInsert(createInsetMath(docstring(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 InsetMathNest::interpretString(Cursor & cur, docstring const & str)
{
// Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
// possible
if (!cur.empty() && cur.pos() > 0 &&
cur.cell()[cur.pos() - 1]->asUnknownInset()) {
if (InsetMathBig::isBigInsetDelim(str)) {
docstring prev = asString(cur.cell()[cur.pos() - 1]);
if (prev[0] == '\\') {
prev = prev.substr(1);
latexkeys const * l = in_word_set(prev);
if (l && l->inset == "big") {
cur.cell()[cur.pos() - 1] =
MathAtom(new InsetMathBig(prev, str));
return true;
}
}
}
}
return false;
}
bool InsetMathNest::script(Cursor & cur, bool up,
docstring const & save_selection)
{
// Hack to get \^ and \_ working
//lyxerr << "handling script: up: " << up << endl;
if (cur.inMacroMode() && cur.macroName() == "\\") {
if (up)
cur.niceInsert(createInsetMath("mathcircumflex"));
else
interpretChar(cur, '_');
return true;
}
cur.macroModeClose();
if (asScriptInset() && cur.idx() == 0) {
// we are in a nucleus of a script inset, move to _our_ script
InsetMathScript * 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();
InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
cur.push(*inset);
inset->ensure(up);
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 InsetMathScript(up));
} else {
//lyxerr << "converting prev atom " << endl;
cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
}
--cur.pos();
InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
// See comment in MathParser.cpp for special handling of {}-bases
cur.push(*inset);
cur.idx() = 1;
cur.pos() = 0;
}
//lyxerr << "inserting selection 1:\n" << save_selection << endl;
cur.niceInsert(save_selection);
cur.resetAnchor();
//lyxerr << "inserting selection 2:\n" << save_selection << endl;
return true;
}
} // namespace lyx
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