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36dbec4506
lyx_mirror/src/insets/InsetCollapsable.cpp
Stefan Schimanski 36dbec4506 * Lazy MathData to avoid unneeded interpretation of macro definitions 
* DocIterator as MacroPosition
* Iterative search for macro in scope until a visible one is found.
This include the ability to resolve macro inside nested text insets.
* Speed up macro lookups by factor 2: only getMacro(name) call, no
further hasMacro(name) call before
* Both way child/master support
* Correct macro scope for multi-paragraph environments
* Correct macro scope for multi-depth-paragraphs
* Buffer::updateMacros made const
* Update macros when loaded (of master and child)
* Do not remove too many braces when unfolding a macro. This could
lead to a data loss because the relationship between arguments of
macros can be mixed up if nested macros are unfold at once.
* Reduce dependencies to MetricsInfo in MathMacro   
* Update macros when needed. Normally it's done just before doing
metrics. But in cases without a brace around some constructs (like
\left(bla\right)) there is some help needed.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22241 a592a061-630c-0410-9148-cb99ea01b6c8
2007-12-21 20:42:46 +00:00

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/**
* \file InsetCollapsable.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Jürgen Vigna
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetCollapsable.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "Cursor.h"
#include "support/debug.h"
#include "Dimension.h"
#include "DispatchResult.h"
#include "FloatList.h"
#include "FuncStatus.h"
#include "support/gettext.h"
#include "Language.h"
#include "LaTeXFeatures.h"
#include "Lexer.h"
#include "FuncRequest.h"
#include "MetricsInfo.h"
#include "ParagraphParameters.h"
#include "TextClass.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/docstream.h"
using namespace std;
namespace lyx {
InsetCollapsable::CollapseStatus InsetCollapsable::status() const
{
return autoOpen_ ? Open : status_;
}
InsetCollapsable::Geometry InsetCollapsable::geometry() const
{
switch (decoration()) {
case Classic:
if (status() == Open) {
if (openinlined_)
return LeftButton;
else
return TopButton;
} else
return ButtonOnly;
case Minimalistic:
return status() == Open ? NoButton : ButtonOnly ;
case Conglomerate:
return status() == Open ? SubLabel : Corners ;
}
// dummy return value to shut down a warning,
// this is dead code.
return NoButton;
}
InsetCollapsable::InsetCollapsable(BufferParams const & bp,
CollapseStatus status, InsetLayout const * il)
: InsetText(bp), layout_(il), status_(status),
openinlined_(false), autoOpen_(false), mouse_hover_(false)
{
setAutoBreakRows(true);
setDrawFrame(true);
setFrameColor(Color_collapsableframe);
}
InsetCollapsable::InsetCollapsable(InsetCollapsable const & rhs)
: InsetText(rhs),
layout_(rhs.layout_),
labelstring_(rhs.labelstring_),
button_dim(rhs.button_dim),
status_(rhs.status_),
openinlined_(rhs.openinlined_),
autoOpen_(rhs.autoOpen_),
// the sole purpose of this copy constructor
mouse_hover_(false)
{
}
void InsetCollapsable::setLayout(BufferParams const & bp)
{
setLayout(bp.getTextClass().insetlayout(name()));
}
void InsetCollapsable::setLayout(InsetLayout const & il)
{
layout_ = &il;
labelstring_ = layout_->labelstring;
setButtonLabel();
}
void InsetCollapsable::write(Buffer const & buf, ostream & os) const
{
os << "status ";
switch (status_) {
case Open:
os << "open";
break;
case Collapsed:
os << "collapsed";
break;
}
os << "\n";
text_.write(buf, os);
}
void InsetCollapsable::read(Buffer const & buf, Lexer & lex)
{
bool token_found = false;
if (lex.isOK()) {
lex.next();
string const token = lex.getString();
if (token == "status") {
lex.next();
string const tmp_token = lex.getString();
if (tmp_token == "collapsed") {
status_ = Collapsed;
token_found = true;
} else if (tmp_token == "open") {
status_ = Open;
token_found = true;
} else {
lyxerr << "InsetCollapsable::read: Missing status!"
<< endl;
// Take countermeasures
lex.pushToken(token);
}
} else {
LYXERR0("InsetCollapsable::read: Missing 'status'-tag!");
// take countermeasures
lex.pushToken(token);
}
}
InsetText::read(buf, lex);
setLayout(buf.params());
if (!token_found)
status_ = isOpen() ? Open : Collapsed;
// Force default font, if so requested
// This avoids paragraphs in buffer language that would have a
// foreign language after a document language change, and it ensures
// that all new text in ERT and similar gets the "latex" language,
// since new text inherits the language from the last position of the
// existing text. As a side effect this makes us also robust against
// bugs in LyX that might lead to font changes in ERT in .lyx files.
resetParagraphsFont();
}
Dimension InsetCollapsable::dimensionCollapsed() const
{
BOOST_ASSERT(layout_);
Dimension dim;
theFontMetrics(layout_->labelfont).buttonText(
labelstring_, dim.wid, dim.asc, dim.des);
return dim;
}
void InsetCollapsable::metrics(MetricsInfo & mi, Dimension & dim) const
{
BOOST_ASSERT(layout_);
autoOpen_ = mi.base.bv->cursor().isInside(this);
FontInfo tmpfont = mi.base.font;
mi.base.font = layout_->font;
mi.base.font.realize(tmpfont);
switch (geometry()) {
case NoButton:
InsetText::metrics(mi, dim);
break;
case Corners:
InsetText::metrics(mi, dim);
dim.des -= 3;
dim.asc -= 1;
break;
case SubLabel: {
InsetText::metrics(mi, dim);
// consider width of the inset label
FontInfo font(layout_->labelfont);
font.realize(sane_font);
font.decSize();
font.decSize();
int w = 0;
int a = 0;
int d = 0;
theFontMetrics(font).rectText(labelstring_, w, a, d);
dim.des += a + d;
break;
}
case TopButton:
case LeftButton:
case ButtonOnly:
dim = dimensionCollapsed();
if (geometry() == TopButton
|| geometry() == LeftButton) {
Dimension textdim;
InsetText::metrics(mi, textdim);
openinlined_ = (textdim.wid + dim.wid) < mi.base.textwidth;
if (openinlined_) {
// Correct for button width.
dim.wid += textdim.wid;
dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
dim.asc = textdim.asc;
} else {
dim.des += textdim.height() + TEXT_TO_INSET_OFFSET;
dim.wid = max(dim.wid, textdim.wid);
}
}
break;
}
mi.base.font = tmpfont;
}
bool InsetCollapsable::setMouseHover(bool mouse_hover)
{
mouse_hover_ = mouse_hover;
return true;
}
void InsetCollapsable::draw(PainterInfo & pi, int x, int y) const
{
BOOST_ASSERT(layout_);
autoOpen_ = pi.base.bv->cursor().isInside(this);
ColorCode const old_color = pi.background_color;
pi.background_color = backgroundColor();
FontInfo tmpfont = pi.base.font;
pi.base.font = layout_->font;
pi.base.font.realize(tmpfont);
// Draw button first -- top, left or only
Dimension dimc = dimensionCollapsed();
if (geometry() == TopButton ||
geometry() == LeftButton ||
geometry() == ButtonOnly) {
button_dim.x1 = x + 0;
button_dim.x2 = x + dimc.width();
button_dim.y1 = y - dimc.asc;
button_dim.y2 = y + dimc.des;
pi.pain.buttonText(x, y, labelstring_, layout_->labelfont,
mouse_hover_);
} else {
button_dim.x1 = 0;
button_dim.y1 = 0;
button_dim.x2 = 0;
button_dim.y2 = 0;
}
Dimension const textdim = InsetText::dimension(*pi.base.bv);
int const baseline = y;
int textx, texty;
switch (geometry()) {
case LeftButton:
textx = x + dimc.width();
texty = baseline;
InsetText::draw(pi, textx, texty);
break;
case TopButton:
textx = x;
texty = baseline + dimc.des + textdim.asc;
InsetText::draw(pi, textx, texty);
break;
case ButtonOnly:
break;
case NoButton:
textx = x;
texty = baseline;
InsetText::draw(pi, textx, texty);
break;
case SubLabel:
case Corners:
textx = x;
texty = baseline;
const_cast<InsetCollapsable *>(this)->setDrawFrame(false);
InsetText::draw(pi, textx, texty);
const_cast<InsetCollapsable *>(this)->setDrawFrame(true);
int desc = textdim.descent();
if (geometry() == Corners)
desc -= 3;
const int xx1 = x + TEXT_TO_INSET_OFFSET - 1;
const int xx2 = x + textdim.wid - TEXT_TO_INSET_OFFSET + 1;
pi.pain.line(xx1, y + desc - 4,
xx1, y + desc,
layout_->labelfont.color());
if (status_ == Open)
pi.pain.line(xx1, y + desc,
xx2, y + desc,
layout_->labelfont.color());
else {
// Make status_ value visible:
pi.pain.line(xx1, y + desc,
xx1 + 4, y + desc,
layout_->labelfont.color());
pi.pain.line(xx2 - 4, y + desc,
xx2, y + desc,
layout_->labelfont.color());
}
pi.pain.line(x + textdim.wid - 3, y + desc, x + textdim.wid - 3, y + desc - 4,
layout_->labelfont.color());
// the label below the text. Can be toggled.
if (geometry() == SubLabel) {
FontInfo font(layout_->labelfont);
font.realize(sane_font);
font.decSize();
font.decSize();
int w = 0;
int a = 0;
int d = 0;
theFontMetrics(font).rectText(labelstring_, w, a, d);
int const ww = max(textdim.wid, w);
pi.pain.rectText(x + (ww - w) / 2, y + desc + a,
labelstring_, font, Color_none, Color_none);
desc += d;
}
// a visual cue when the cursor is inside the inset
Cursor & cur = pi.base.bv->cursor();
if (cur.isInside(this)) {
y -= textdim.asc;
y += 3;
pi.pain.line(xx1, y + 4, xx1, y, layout_->labelfont.color());
pi.pain.line(xx1 + 4, y, xx1, y, layout_->labelfont.color());
pi.pain.line(xx2, y + 4, xx2, y,
layout_->labelfont.color());
pi.pain.line(xx2 - 4, y, xx2, y,
layout_->labelfont.color());
}
break;
}
pi.background_color = old_color;
pi.base.font = tmpfont;
}
void InsetCollapsable::cursorPos(BufferView const & bv,
CursorSlice const & sl, bool boundary, int & x, int & y) const
{
if (geometry() == ButtonOnly)
status_ = Open;
BOOST_ASSERT(geometry() != ButtonOnly);
InsetText::cursorPos(bv, sl, boundary, x, y);
Dimension const textdim = InsetText::dimension(bv);
switch (geometry()) {
case LeftButton:
x += dimensionCollapsed().wid;
break;
case TopButton: {
y += dimensionCollapsed().des + textdim.asc;
break;
}
case NoButton:
case SubLabel:
case Corners:
// Do nothing
break;
case ButtonOnly:
// Cannot get here
break;
}
}
Inset::EDITABLE InsetCollapsable::editable() const
{
return geometry() != ButtonOnly? HIGHLY_EDITABLE : IS_EDITABLE;
}
bool InsetCollapsable::descendable() const
{
return geometry() != ButtonOnly;
}
bool InsetCollapsable::hitButton(FuncRequest const & cmd) const
{
return button_dim.contains(cmd.x, cmd.y);
}
docstring const InsetCollapsable::getNewLabel(docstring const & l) const
{
docstring label;
pos_type const max_length = 15;
pos_type const p_siz = paragraphs().begin()->size();
pos_type const n = min(max_length, p_siz);
pos_type i = 0;
pos_type j = 0;
for (; i < n && j < p_siz; ++j) {
if (paragraphs().begin()->isInset(j))
continue;
label += paragraphs().begin()->getChar(j);
++i;
}
if (paragraphs().size() > 1 || (i > 0 && j < p_siz)) {
label += "...";
}
return label.empty() ? l : label;
}
void InsetCollapsable::edit(Cursor & cur, bool left)
{
//lyxerr << "InsetCollapsable: edit left/right" << endl;
cur.push(*this);
InsetText::edit(cur, left);
}
Inset * InsetCollapsable::editXY(Cursor & cur, int x, int y)
{
//lyxerr << "InsetCollapsable: edit xy" << endl;
if (geometry() == ButtonOnly
|| (button_dim.contains(x, y)
&& geometry() != NoButton))
return this;
cur.push(*this);
return InsetText::editXY(cur, x, y);
}
void InsetCollapsable::doDispatch(Cursor & cur, FuncRequest & cmd)
{
//lyxerr << "InsetCollapsable::doDispatch (begin): cmd: " << cmd
// << " cur: " << cur << " bvcur: " << cur.bv().cursor() << endl;
switch (cmd.action) {
case LFUN_MOUSE_PRESS:
if (cmd.button() == mouse_button::button1
&& hitButton(cmd)
&& geometry() != NoButton) {
// reset selection if necessary (see bug 3060)
if (cur.selection())
cur.bv().cursor().clearSelection();
else
cur.noUpdate();
cur.dispatched();
break;
}
if (geometry() == NoButton)
InsetText::doDispatch(cur, cmd);
else if (geometry() != ButtonOnly
&& !hitButton(cmd))
InsetText::doDispatch(cur, cmd);
else
cur.undispatched();
break;
case LFUN_MOUSE_MOTION:
case LFUN_MOUSE_DOUBLE:
case LFUN_MOUSE_TRIPLE:
if (geometry() == NoButton)
InsetText::doDispatch(cur, cmd);
else if (geometry() != ButtonOnly
&& !hitButton(cmd))
InsetText::doDispatch(cur, cmd);
else
cur.undispatched();
break;
case LFUN_MOUSE_RELEASE:
if (cmd.button() == mouse_button::button3) {
// There is no button to right click:
if (geometry() == Corners ||
geometry() == SubLabel ||
geometry() == NoButton) {
if (status_ == Open)
setStatus(cur, Collapsed);
else
setStatus(cur, Open);
break;
} else {
// Open the Inset
// configuration dialog
showInsetDialog(&cur.bv());
break;
}
}
if (geometry() == NoButton) {
// The mouse click has to be within the inset!
InsetText::doDispatch(cur, cmd);
break;
}
if (cmd.button() == mouse_button::button1 && hitButton(cmd)) {
// if we are selecting, we do not want to
// toggle the inset.
if (cur.selection())
break;
// Left button is clicked, the user asks to
// toggle the inset visual state.
cur.dispatched();
cur.updateFlags(Update::Force | Update::FitCursor);
if (geometry() == ButtonOnly) {
setStatus(cur, Open);
edit(cur, true);
}
else {
setStatus(cur, Collapsed);
}
cur.bv().cursor() = cur;
break;
}
// The mouse click is within the opened inset.
if (geometry() == TopButton
|| geometry() == LeftButton)
InsetText::doDispatch(cur, cmd);
break;
case LFUN_INSET_TOGGLE:
if (cmd.argument() == "open")
setStatus(cur, Open);
else if (cmd.argument() == "close")
setStatus(cur, Collapsed);
else if (cmd.argument() == "toggle" || cmd.argument().empty())
if (status_ == Open) {
setStatus(cur, Collapsed);
if (geometry() == ButtonOnly)
cur.top().forwardPos();
} else
setStatus(cur, Open);
else // if assign or anything else
cur.undispatched();
cur.dispatched();
break;
case LFUN_PASTE:
case LFUN_CLIPBOARD_PASTE:
case LFUN_PRIMARY_SELECTION_PASTE: {
InsetText::doDispatch(cur, cmd);
// Since we can only store plain text, we must reset all
// attributes.
// FIXME: Change only the pasted paragraphs
resetParagraphsFont();
break;
}
default:
if (layout_ && layout_->forceltr) {
// Force any new text to latex_language
// FIXME: This should only be necessary in constructor, but
// new paragraphs that are created by pressing enter at the
// start of an existing paragraph get the buffer language
// and not latex_language, so we take this brute force
// approach.
cur.current_font.setLanguage(latex_language);
cur.real_current_font.setLanguage(latex_language);
}
InsetText::doDispatch(cur, cmd);
break;
}
}
bool InsetCollapsable::allowMultiPar() const
{
return layout_->multipar;
}
void InsetCollapsable::resetParagraphsFont()
{
Font font;
font.fontInfo() = inherit_font;
if (layout_->forceltr)
font.setLanguage(latex_language);
if (layout_->passthru) {
ParagraphList::iterator par = paragraphs().begin();
ParagraphList::iterator const end = paragraphs().end();
while (par != end) {
par->resetFonts(font);
par->params().clear();
++par;
}
}
}
bool InsetCollapsable::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & flag) const
{
switch (cmd.action) {
// suppress these
case LFUN_ACCENT_ACUTE:
case LFUN_ACCENT_BREVE:
case LFUN_ACCENT_CARON:
case LFUN_ACCENT_CEDILLA:
case LFUN_ACCENT_CIRCLE:
case LFUN_ACCENT_CIRCUMFLEX:
case LFUN_ACCENT_DOT:
case LFUN_ACCENT_GRAVE:
case LFUN_ACCENT_HUNGARIAN_UMLAUT:
case LFUN_ACCENT_MACRON:
case LFUN_ACCENT_OGONEK:
case LFUN_ACCENT_SPECIAL_CARON:
case LFUN_ACCENT_TIE:
case LFUN_ACCENT_TILDE:
case LFUN_ACCENT_UMLAUT:
case LFUN_ACCENT_UNDERBAR:
case LFUN_ACCENT_UNDERDOT:
case LFUN_APPENDIX:
case LFUN_BIBITEM_INSERT:
case LFUN_BOX_INSERT:
case LFUN_BRANCH_INSERT:
case LFUN_NEW_LINE:
case LFUN_CAPTION_INSERT:
case LFUN_CLEARPAGE_INSERT:
case LFUN_CLEARDOUBLEPAGE_INSERT:
case LFUN_DEPTH_DECREMENT:
case LFUN_DEPTH_INCREMENT:
case LFUN_ENVIRONMENT_INSERT:
case LFUN_ERT_INSERT:
case LFUN_FILE_INSERT:
case LFUN_FLEX_INSERT:
case LFUN_FLOAT_INSERT:
case LFUN_FLOAT_LIST:
case LFUN_FLOAT_WIDE_INSERT:
case LFUN_FONT_BOLD:
case LFUN_FONT_TYPEWRITER:
case LFUN_FONT_DEFAULT:
case LFUN_FONT_EMPH:
case LFUN_FONT_FREE_APPLY:
case LFUN_FONT_FREE_UPDATE:
case LFUN_FONT_NOUN:
case LFUN_FONT_ROMAN:
case LFUN_FONT_SANS:
case LFUN_FONT_FRAK:
case LFUN_FONT_ITAL:
case LFUN_FONT_SIZE:
case LFUN_FONT_STATE:
case LFUN_FONT_UNDERLINE:
case LFUN_FOOTNOTE_INSERT:
case LFUN_HFILL_INSERT:
case LFUN_HYPERLINK_INSERT:
case LFUN_INDEX_INSERT:
case LFUN_INDEX_PRINT:
case LFUN_INSET_INSERT:
case LFUN_LABEL_GOTO:
case LFUN_LABEL_INSERT:
case LFUN_LINE_INSERT:
case LFUN_NEWPAGE_INSERT:
case LFUN_PAGEBREAK_INSERT:
case LFUN_LAYOUT:
case LFUN_LAYOUT_PARAGRAPH:
case LFUN_LAYOUT_TABULAR:
case LFUN_MARGINALNOTE_INSERT:
case LFUN_MATH_DISPLAY:
case LFUN_MATH_INSERT:
case LFUN_MATH_MATRIX:
case LFUN_MATH_MODE:
case LFUN_MENU_OPEN:
case LFUN_NOACTION:
case LFUN_NOMENCL_INSERT:
case LFUN_NOMENCL_PRINT:
case LFUN_NOTE_INSERT:
case LFUN_NOTE_NEXT:
case LFUN_OPTIONAL_INSERT:
case LFUN_PARAGRAPH_PARAMS:
case LFUN_PARAGRAPH_PARAMS_APPLY:
case LFUN_PARAGRAPH_SPACING:
case LFUN_PARAGRAPH_UPDATE:
case LFUN_REFERENCE_NEXT:
case LFUN_SERVER_GOTO_FILE_ROW:
case LFUN_SERVER_NOTIFY:
case LFUN_SERVER_SET_XY:
case LFUN_SPACE_INSERT:
case LFUN_SPECIALCHAR_INSERT:
case LFUN_TABULAR_INSERT:
case LFUN_TOC_INSERT:
case LFUN_WRAP_INSERT:
if (layout_->passthru) {
flag.enabled(false);
return true;
} else
return InsetText::getStatus(cur, cmd, flag);
case LFUN_INSET_TOGGLE:
if (cmd.argument() == "open" || cmd.argument() == "close" ||
cmd.argument() == "toggle")
flag.enabled(true);
else
flag.enabled(false);
return true;
case LFUN_LANGUAGE:
flag.enabled(!layout_->forceltr);
return InsetText::getStatus(cur, cmd, flag);
case LFUN_BREAK_PARAGRAPH:
case LFUN_BREAK_PARAGRAPH_SKIP:
flag.enabled(layout_->multipar);
return true;
default:
return InsetText::getStatus(cur, cmd, flag);
}
}
void InsetCollapsable::setLabel(docstring const & l)
{
labelstring_ = l;
}
void InsetCollapsable::setStatus(Cursor & cur, CollapseStatus status)
{
status_ = status;
setButtonLabel();
if (status_ == Collapsed)
cur.leaveInset(*this);
}
docstring InsetCollapsable::floatName(string const & type, BufferParams const & bp) const
{
FloatList const & floats = bp.getTextClass().floats();
FloatList::const_iterator it = floats[type];
// FIXME UNICODE
return (it == floats.end()) ? from_ascii(type) : bp.B_(it->second.name());
}
InsetCollapsable::Decoration InsetCollapsable::decoration() const
{
if (!layout_ || layout_->decoration == "classic")
return Classic;
if (layout_->decoration == "minimalistic")
return Minimalistic;
if (layout_->decoration == "conglomerate")
return Conglomerate;
if (lyxCode() == FLEX_CODE)
// FIXME: Is this really necessary?
return Conglomerate;
return Classic;
}
bool InsetCollapsable::isMacroScope(Buffer const & buf) const
{
// layout_ == 0 leads to no latex output, so ignore
// the macros outside
if (!layout_)
return true;
// see InsetCollapsable::latex(...) below. In these case
// an environment is opened there
if (!layout_->latexname.empty())
return true;
return false;
}
int InsetCollapsable::latex(Buffer const & buf, odocstream & os,
OutputParams const & runparams) const
{
// FIXME: What should we do layout_ is 0?
// 1) assert
// 2) through an error
if (!layout_)
return 0;
// This implements the standard way of handling the LaTeX output of
// a collapsable inset, either a command or an environment. Standard
// collapsable insets should not redefine this, non-standard ones may
// call this.
if (!layout_->latexname.empty()) {
if (layout_->latextype == "command") {
// FIXME UNICODE
if (runparams.moving_arg)
os << "\\protect";
os << '\\' << from_utf8(layout_->latexname);
if (!layout_->latexparam.empty())
os << from_utf8(layout_->latexparam);
os << '{';
} else if (layout_->latextype == "environment") {
os << "%\n\\begin{" << from_utf8(layout_->latexname) << "}\n";
if (!layout_->latexparam.empty())
os << from_utf8(layout_->latexparam);
}
}
OutputParams rp = runparams;
if (layout_->passthru)
rp.verbatim = true;
if (layout_->needprotect)
rp.moving_arg = true;
int i = InsetText::latex(buf, os, rp);
if (!layout_->latexname.empty()) {
if (layout_->latextype == "command") {
os << "}";
} else if (layout_->latextype == "environment") {
os << "\n\\end{" << from_utf8(layout_->latexname) << "}\n";
i += 4;
}
}
return i;
}
void InsetCollapsable::validate(LaTeXFeatures & features) const
{
if (!layout_)
return;
// Force inclusion of preamble snippet in layout file
features.require(layout_->name);
InsetText::validate(features);
}
} // namespace lyx
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