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https://git.lyx.org/repos/lyx.git
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d69115d9db
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21468 a592a061-630c-0410-9148-cb99ea01b6c8
1588 lines
39 KiB
C++
1588 lines
39 KiB
C++
/**
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* \file InsetMathNest.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetMathNest.h"
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#include "InsetMathArray.h"
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#include "InsetMathBig.h"
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#include "InsetMathBox.h"
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#include "InsetMathBrace.h"
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#include "InsetMathColor.h"
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#include "InsetMathComment.h"
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#include "InsetMathDelim.h"
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#include "InsetMathHull.h"
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#include "InsetMathRef.h"
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#include "InsetMathScript.h"
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#include "InsetMathSpace.h"
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#include "InsetMathSymbol.h"
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#include "InsetMathUnknown.h"
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#include "MathData.h"
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#include "MathFactory.h"
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#include "MathMacro.h"
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#include "MathMacroArgument.h"
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#include "MathParser.h"
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#include "MathStream.h"
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#include "MathSupport.h"
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#include "Bidi.h"
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#include "BufferView.h"
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#include "CoordCache.h"
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#include "Cursor.h"
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#include "CutAndPaste.h"
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#include "debug.h"
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#include "DispatchResult.h"
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "LyXFunc.h"
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#include "gettext.h"
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#include "Text.h"
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#include "OutputParams.h"
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#include "support/lstrings.h"
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#include "support/textutils.h"
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#include "support/docstream.h"
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#include "frontends/Clipboard.h"
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#include "frontends/Painter.h"
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#include "frontends/Selection.h"
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#include "FuncRequest.h"
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#include <sstream>
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namespace lyx {
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using cap::copySelection;
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using cap::grabAndEraseSelection;
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using cap::cutSelection;
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using cap::replaceSelection;
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using cap::selClearOrDel;
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using std::endl;
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using std::string;
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using std::istringstream;
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InsetMathNest::InsetMathNest(idx_type nargs)
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: cells_(nargs), lock_(false), mouse_hover_(false)
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{}
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InsetMathNest::InsetMathNest(InsetMathNest const & inset)
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: InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
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mouse_hover_(false)
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{}
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InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
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{
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cells_ = inset.cells_;
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lock_ = inset.lock_;
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mouse_hover_ = false;
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InsetMath::operator=(inset);
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return *this;
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}
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InsetMath::idx_type InsetMathNest::nargs() const
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{
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return cells_.size();
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}
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void InsetMathNest::cursorPos(BufferView const & bv,
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CursorSlice const & sl, bool /*boundary*/,
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int & x, int & y) const
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{
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// FIXME: This is a hack. Ideally, the coord cache should not store
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// absolute positions, but relative ones. This would mean to call
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// setXY() not in MathData::draw(), but in the parent insets' draw()
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// with the correctly adjusted x,y values. But this means that we'd have
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// to touch all (math)inset's draw() methods. Right now, we'll store
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// absolute value, and make them here relative, only to make them
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// absolute again when actually drawing the cursor. What a mess.
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BOOST_ASSERT(&sl.inset() == this);
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MathData const & ar = sl.cell();
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CoordCache const & coord_cache = bv.coordCache();
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if (!coord_cache.getArrays().has(&ar)) {
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// this can (semi-)legally happen if we just created this cell
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// and it never has been drawn before. So don't ASSERT.
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//lyxerr << "no cached data for array " << &ar << endl;
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x = 0;
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y = 0;
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return;
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}
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Point const pt = coord_cache.getArrays().xy(&ar);
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if (!coord_cache.getInsets().has(this)) {
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// same as above
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//lyxerr << "no cached data for inset " << this << endl;
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x = 0;
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y = 0;
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return;
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}
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Point const pt2 = coord_cache.getInsets().xy(this);
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//lyxerr << "retrieving position cache for MathData "
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// << pt.x_ << ' ' << pt.y_ << std::endl;
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x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
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y = pt.y_ - pt2.y_;
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// lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
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// << " asc: " << ascent() << " des: " << descent()
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// << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
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// move cursor visually into empty cells ("blue rectangles");
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if (ar.empty())
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x += 2;
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}
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void InsetMathNest::metrics(MetricsInfo const & mi) const
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{
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MetricsInfo m = mi;
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for (idx_type i = 0, n = nargs(); i != n; ++i) {
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Dimension dim;
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cell(i).metrics(m, dim);
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}
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}
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bool InsetMathNest::idxNext(Cursor & cur) const
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{
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BOOST_ASSERT(&cur.inset() == this);
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if (cur.idx() == cur.lastidx())
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return false;
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++cur.idx();
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cur.pos() = 0;
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return true;
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}
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bool InsetMathNest::idxForward(Cursor & cur) const
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{
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return idxNext(cur);
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}
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bool InsetMathNest::idxPrev(Cursor & cur) const
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{
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BOOST_ASSERT(&cur.inset() == this);
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if (cur.idx() == 0)
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return false;
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--cur.idx();
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cur.pos() = cur.lastpos();
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return true;
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}
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bool InsetMathNest::idxBackward(Cursor & cur) const
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{
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return idxPrev(cur);
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}
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bool InsetMathNest::idxFirst(Cursor & cur) const
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{
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BOOST_ASSERT(&cur.inset() == this);
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if (nargs() == 0)
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return false;
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cur.idx() = 0;
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cur.pos() = 0;
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return true;
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}
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bool InsetMathNest::idxLast(Cursor & cur) const
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{
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BOOST_ASSERT(&cur.inset() == this);
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if (nargs() == 0)
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return false;
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cur.idx() = cur.lastidx();
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cur.pos() = cur.lastpos();
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return true;
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}
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void InsetMathNest::dump() const
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{
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odocstringstream oss;
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WriteStream os(oss);
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os << "---------------------------------------------\n";
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write(os);
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os << "\n";
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for (idx_type i = 0, n = nargs(); i != n; ++i)
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os << cell(i) << "\n";
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os << "---------------------------------------------\n";
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lyxerr << to_utf8(oss.str());
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}
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void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
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{
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#if 0
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if (lock_)
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pi.pain.fillRectangle(x, y - ascent(), width(), height(),
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Color_mathlockbg);
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#endif
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setPosCache(pi, x, y);
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}
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void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
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{
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BufferView & bv = *pi.base.bv;
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// this should use the x/y values given, not the cached values
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Cursor & cur = bv.cursor();
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if (!cur.selection())
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return;
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if (&cur.inset() != this)
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return;
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// FIXME: hack to get position cache warm
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pi.pain.setDrawingEnabled(false);
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draw(pi, x, y);
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pi.pain.setDrawingEnabled(true);
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CursorSlice s1 = cur.selBegin();
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CursorSlice s2 = cur.selEnd();
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//lyxerr << "InsetMathNest::drawing selection: "
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// << " s1: " << s1 << " s2: " << s2 << endl;
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if (s1.idx() == s2.idx()) {
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MathData const & c = cell(s1.idx());
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Geometry const & g = bv.coordCache().getArrays().geometry(&c);
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int x1 = g.pos.x_ + c.pos2x(s1.pos());
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int y1 = g.pos.y_ - g.dim.ascent();
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int x2 = g.pos.x_ + c.pos2x(s2.pos());
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int y2 = g.pos.y_ + g.dim.descent();
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pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
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//lyxerr << "InsetMathNest::drawing selection 3: "
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// << " x1: " << x1 << " x2: " << x2
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// << " y1: " << y1 << " y2: " << y2 << endl;
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} else {
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for (idx_type i = 0; i < nargs(); ++i) {
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if (idxBetween(i, s1.idx(), s2.idx())) {
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MathData const & c = cell(i);
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Geometry const & g = bv.coordCache().getArrays().geometry(&c);
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int x1 = g.pos.x_;
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int y1 = g.pos.y_ - g.dim.ascent();
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int x2 = g.pos.x_ + g.dim.width();
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int y2 = g.pos.y_ + g.dim.descent();
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pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
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}
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}
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}
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}
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void InsetMathNest::validate(LaTeXFeatures & features) const
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{
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for (idx_type i = 0; i < nargs(); ++i)
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cell(i).validate(features);
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}
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void InsetMathNest::replace(ReplaceData & rep)
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{
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for (idx_type i = 0; i < nargs(); ++i)
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cell(i).replace(rep);
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}
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bool InsetMathNest::contains(MathData const & ar) const
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{
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for (idx_type i = 0; i < nargs(); ++i)
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if (cell(i).contains(ar))
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return true;
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return false;
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}
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bool InsetMathNest::lock() const
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{
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return lock_;
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}
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void InsetMathNest::lock(bool l)
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{
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lock_ = l;
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}
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bool InsetMathNest::isActive() const
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{
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return nargs() > 0;
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}
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MathData InsetMathNest::glue() const
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{
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MathData ar;
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for (size_t i = 0; i < nargs(); ++i)
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ar.append(cell(i));
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return ar;
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}
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void InsetMathNest::write(WriteStream & os) const
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{
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os << '\\' << name().c_str();
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for (size_t i = 0; i < nargs(); ++i)
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os << '{' << cell(i) << '}';
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if (nargs() == 0)
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os.pendingSpace(true);
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if (lock_ && !os.latex()) {
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os << "\\lyxlock";
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os.pendingSpace(true);
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}
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}
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void InsetMathNest::normalize(NormalStream & os) const
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{
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os << '[' << name().c_str();
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for (size_t i = 0; i < nargs(); ++i)
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os << ' ' << cell(i);
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os << ']';
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}
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int InsetMathNest::latex(Buffer const &, odocstream & os,
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OutputParams const & runparams) const
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{
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WriteStream wi(os, runparams.moving_arg, true);
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write(wi);
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return wi.line();
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}
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bool InsetMathNest::setMouseHover(bool mouse_hover)
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{
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mouse_hover_ = mouse_hover;
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return true;
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}
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bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
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{
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// FIXME: look here
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#if 0
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MathData & ar = cur.cell();
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// remove base-only "scripts"
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for (pos_type i = 0; i + 1 < ar.size(); ++i) {
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InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
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if (p && p->nargs() == 1) {
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MathData ar = p->nuc();
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erase(i);
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insert(i, ar);
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cur.adjust(i, ar.size() - 1);
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}
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}
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// glue adjacent font insets of the same kind
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for (pos_type i = 0; i + 1 < size(); ++i) {
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InsetMathFont * p = operator[](i).nucleus()->asFontInset();
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InsetMathFont const * q = operator[](i + 1)->asFontInset();
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if (p && q && p->name() == q->name()) {
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p->cell(0).append(q->cell(0));
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erase(i + 1);
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cur.adjust(i, -1);
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}
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}
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#endif
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return false;
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}
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void InsetMathNest::handleFont
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(Cursor & cur, docstring const & arg, char const * const font)
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{
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handleFont(cur, arg, from_ascii(font));
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}
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void InsetMathNest::handleFont
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(Cursor & cur, docstring const & arg, docstring const & font)
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{
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// this whole function is a hack and won't work for incremental font
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// changes...
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if (cur.inset().asInsetMath()->name() == font) {
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cur.recordUndoInset();
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cur.handleFont(to_utf8(font));
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} else {
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cur.recordUndo();
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cur.handleNest(createInsetMath(font));
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cur.insert(arg);
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}
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}
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void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
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{
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cur.recordUndo();
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Font font;
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bool b;
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font.fromString(to_utf8(arg), b);
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if (font.fontInfo().color() != Color_inherit) {
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MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
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cur.handleNest(at, 0);
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}
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}
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void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
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{
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//lyxerr << "InsetMathNest: request: " << cmd << std::endl;
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//CursorSlice sl = cur.current();
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switch (cmd.action) {
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case LFUN_PASTE: {
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cur.recordUndo();
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cur.message(_("Paste"));
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replaceSelection(cur);
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docstring topaste;
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if (cmd.argument().empty() && !theClipboard().isInternal())
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topaste = theClipboard().getAsText();
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else {
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size_t n = 0;
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idocstringstream is(cmd.argument());
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is >> n;
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topaste = cap::getSelection(cur.buffer(), n);
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}
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cur.niceInsert(topaste);
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cur.clearSelection(); // bug 393
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cur.finishUndo();
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break;
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}
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case LFUN_CUT:
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cur.recordUndo();
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cutSelection(cur, true, true);
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cur.message(_("Cut"));
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// Prevent stale position >= size crash
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// Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
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cur.normalize();
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break;
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case LFUN_COPY:
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copySelection(cur);
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cur.message(_("Copy"));
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break;
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case LFUN_MOUSE_PRESS:
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lfunMousePress(cur, cmd);
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break;
|
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|
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case LFUN_MOUSE_MOTION:
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lfunMouseMotion(cur, cmd);
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break;
|
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case LFUN_MOUSE_RELEASE:
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lfunMouseRelease(cur, cmd);
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break;
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case LFUN_FINISHED_BACKWARD:
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cur.bv().cursor() = cur;
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break;
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case LFUN_FINISHED_FORWARD:
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++cur.pos();
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cur.bv().cursor() = cur;
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break;
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case LFUN_CHAR_FORWARD:
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cur.updateFlags(Update::Decoration | Update::FitCursor);
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case LFUN_CHAR_FORWARD_SELECT:
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cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
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cur.autocorrect() = false;
|
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cur.clearTargetX();
|
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cur.macroModeClose();
|
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if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
|
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cur.pushBackward(*cur.nextAtom().nucleus());
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cur.inset().idxFirst(cur);
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} else if (cur.posForward() || idxForward(cur)
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|| cur.popForward() || cur.selection())
|
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;
|
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else {
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cmd = FuncRequest(LFUN_FINISHED_FORWARD);
|
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cur.undispatched();
|
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}
|
||
break;
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||
|
||
case LFUN_CHAR_BACKWARD:
|
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cur.updateFlags(Update::Decoration | Update::FitCursor);
|
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case LFUN_CHAR_BACKWARD_SELECT:
|
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cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
|
||
cur.autocorrect() = false;
|
||
cur.clearTargetX();
|
||
cur.macroModeClose();
|
||
if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
|
||
cur.posBackward();
|
||
cur.push(*cur.nextAtom().nucleus());
|
||
cur.inset().idxLast(cur);
|
||
} else if (cur.posBackward() || idxBackward(cur)
|
||
|| cur.popBackward() || 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))
|
||
doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_RIGHT_SELECT ?
|
||
LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
|
||
else
|
||
doDispatch(cur, 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))
|
||
doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_LEFT_SELECT ?
|
||
LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
|
||
else
|
||
doDispatch(cur, 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.popForward();
|
||
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.posBackward();
|
||
cur.pushBackward(*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.posBackward();
|
||
cur.pushBackward(*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_MATH_MACRO_FOLD:
|
||
case LFUN_MATH_MACRO_UNFOLD: {
|
||
Cursor it = cur;
|
||
bool fold = cmd.action == LFUN_MATH_MACRO_FOLD;
|
||
bool found = findMacroToFoldUnfold(it, fold);
|
||
if (found) {
|
||
cur.recordUndo();
|
||
if (fold)
|
||
it.nextInset()->asInsetMath()->asMacro()->fold(cur);
|
||
else
|
||
it.nextInset()->asInsetMath()->asMacro()->unfold(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::findMacroToFoldUnfold(Cursor & it, bool fold) const {
|
||
// look for macro to open/close, but stay in mathed
|
||
for (; !it.empty(); it.pop_back()) {
|
||
|
||
// go backward through the current cell
|
||
Inset * inset = it.nextInset();
|
||
while (inset && inset->asInsetMath()) {
|
||
MathMacro * macro = inset->asInsetMath()->asMacro();
|
||
if (macro) {
|
||
// found the an macro to open/close?
|
||
if (macro->folded() != fold)
|
||
return true;
|
||
|
||
// Wrong folding state.
|
||
// If this was the first we see in this slice, look further left,
|
||
// otherwise go up.
|
||
if (inset != it.nextInset())
|
||
break;
|
||
}
|
||
|
||
// go up if this was the left most position
|
||
if (it.pos() == 0)
|
||
break;
|
||
|
||
// go left
|
||
it.pos()--;
|
||
inset = it.nextInset();
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
|
||
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_MATH_MACRO_FOLD:
|
||
case LFUN_MATH_MACRO_UNFOLD: {
|
||
Cursor it = cur;
|
||
bool found = findMacroToFoldUnfold(it, cmd.action == LFUN_MATH_MACRO_FOLD);
|
||
flag.enabled(found);
|
||
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.popForward()) {
|
||
// 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
|