lyx_mirror/src/insets/InsetText.cpp
2015-04-20 18:13:49 +02:00

1037 lines
27 KiB
C++

/**
* \file InsetText.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Jürgen Vigna
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetText.h"
#include "insets/InsetArgument.h"
#include "insets/InsetLayout.h"
#include "buffer_funcs.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "CompletionList.h"
#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "DispatchResult.h"
#include "ErrorList.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "InsetCaption.h"
#include "InsetList.h"
#include "Intl.h"
#include "Language.h"
#include "Layout.h"
#include "LaTeXFeatures.h"
#include "Lexer.h"
#include "lyxfind.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
#include "output_docbook.h"
#include "output_latex.h"
#include "output_xhtml.h"
#include "OutputParams.h"
#include "output_plaintext.h"
#include "Paragraph.h"
#include "ParagraphParameters.h"
#include "ParIterator.h"
#include "Row.h"
#include "sgml.h"
#include "TexRow.h"
#include "TextClass.h"
#include "Text.h"
#include "TextMetrics.h"
#include "TocBackend.h"
#include "frontends/alert.h"
#include "frontends/Painter.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/bind.h"
#include "support/lassert.h"
#include <algorithm>
using namespace std;
using namespace lyx::support;
namespace lyx {
using graphics::PreviewLoader;
/////////////////////////////////////////////////////////////////////
InsetText::InsetText(Buffer * buf, UsePlain type)
: Inset(buf), drawFrame_(false), frame_color_(Color_insetframe),
text_(this, type == DefaultLayout)
{
}
InsetText::InsetText(InsetText const & in)
: Inset(in), text_(this, in.text_)
{
drawFrame_ = in.drawFrame_;
frame_color_ = in.frame_color_;
}
void InsetText::setBuffer(Buffer & buf)
{
ParagraphList::iterator end = paragraphs().end();
for (ParagraphList::iterator it = paragraphs().begin(); it != end; ++it)
it->setBuffer(buf);
Inset::setBuffer(buf);
}
void InsetText::setMacrocontextPositionRecursive(DocIterator const & pos)
{
text_.setMacrocontextPosition(pos);
ParagraphList::const_iterator pit = paragraphs().begin();
ParagraphList::const_iterator pend = paragraphs().end();
for (; pit != pend; ++pit) {
InsetList::const_iterator iit = pit->insetList().begin();
InsetList::const_iterator end = pit->insetList().end();
for (; iit != end; ++iit) {
if (InsetText * txt = iit->inset->asInsetText()) {
DocIterator ppos(pos);
ppos.push_back(CursorSlice(*txt));
iit->inset->asInsetText()->setMacrocontextPositionRecursive(ppos);
}
}
}
}
void InsetText::clear()
{
ParagraphList & pars = paragraphs();
LBUFERR(!pars.empty());
// This is a gross hack...
Layout const & old_layout = pars.begin()->layout();
pars.clear();
pars.push_back(Paragraph());
pars.begin()->setInsetOwner(this);
pars.begin()->setLayout(old_layout);
}
Dimension const InsetText::dimension(BufferView const & bv) const
{
TextMetrics const & tm = bv.textMetrics(&text_);
Dimension dim = tm.dimension();
dim.wid += 2 * TEXT_TO_INSET_OFFSET;
dim.des += TEXT_TO_INSET_OFFSET;
dim.asc += TEXT_TO_INSET_OFFSET;
return dim;
}
void InsetText::write(ostream & os) const
{
os << "Text\n";
text_.write(os);
}
void InsetText::read(Lexer & lex)
{
clear();
// delete the initial paragraph
Paragraph oldpar = *paragraphs().begin();
paragraphs().clear();
ErrorList errorList;
lex.setContext("InsetText::read");
bool res = text_.read(lex, errorList, this);
if (!res)
lex.printError("Missing \\end_inset at this point. ");
// sanity check
// ensure we have at least one paragraph.
if (paragraphs().empty())
paragraphs().push_back(oldpar);
// 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.
fixParagraphsFont();
}
void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
{
TextMetrics & tm = mi.base.bv->textMetrics(&text_);
//lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
// Hand font through to contained lyxtext:
tm.font_.fontInfo() = mi.base.font;
mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
// This can happen when a layout has a left and right margin,
// and the view is made very narrow. We can't do better than
// to draw it partly out of view (bug 5890).
if (mi.base.textwidth < 1)
mi.base.textwidth = 1;
if (hasFixedWidth())
tm.metrics(mi, dim, mi.base.textwidth);
else
tm.metrics(mi, dim);
mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
dim.asc += TEXT_TO_INSET_OFFSET;
dim.des += TEXT_TO_INSET_OFFSET;
dim.wid += 2 * TEXT_TO_INSET_OFFSET;
}
void InsetText::draw(PainterInfo & pi, int x, int y) const
{
TextMetrics & tm = pi.base.bv->textMetrics(&text_);
if (drawFrame_ || pi.full_repaint) {
int const w = tm.width() + TEXT_TO_INSET_OFFSET;
int const yframe = y - TEXT_TO_INSET_OFFSET - tm.ascent();
int const h = tm.height() + 2 * TEXT_TO_INSET_OFFSET;
int const xframe = x + TEXT_TO_INSET_OFFSET / 2;
if (pi.full_repaint)
pi.pain.fillRectangle(xframe, yframe, w, h,
pi.backgroundColor(this));
if (drawFrame_)
pi.pain.rectangle(xframe, yframe, w, h, frameColor());
}
ColorCode const old_color = pi.background_color;
pi.background_color = pi.backgroundColor(this, false);
tm.draw(pi, x + TEXT_TO_INSET_OFFSET, y);
pi.background_color = old_color;
}
void InsetText::edit(Cursor & cur, bool front, EntryDirection entry_from)
{
pit_type const pit = front ? 0 : paragraphs().size() - 1;
pos_type pos = front ? 0 : paragraphs().back().size();
// if visual information is not to be ignored, move to extreme right/left
if (entry_from != ENTRY_DIRECTION_IGNORE) {
Cursor temp_cur = cur;
temp_cur.pit() = pit;
temp_cur.pos() = pos;
temp_cur.posVisToRowExtremity(entry_from == ENTRY_DIRECTION_LEFT);
pos = temp_cur.pos();
}
text_.setCursor(cur.top(), pit, pos);
cur.finishUndo();
}
Inset * InsetText::editXY(Cursor & cur, int x, int y)
{
return cur.bv().textMetrics(&text_).editXY(cur, x, y);
}
void InsetText::doDispatch(Cursor & cur, FuncRequest & cmd)
{
LYXERR(Debug::ACTION, "InsetText::doDispatch(): cmd: " << cmd);
// See bug #9042, for instance.
if (isPassThru() && lyxCode() != ARG_CODE) {
// 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);
}
switch (cmd.action()) {
case LFUN_PASTE:
case LFUN_CLIPBOARD_PASTE:
case LFUN_SELECTION_PASTE:
case LFUN_PRIMARY_SELECTION_PASTE:
text_.dispatch(cur, cmd);
// If we we can only store plain text, we must reset all
// attributes.
// FIXME: Change only the pasted paragraphs
fixParagraphsFont();
break;
case LFUN_INSET_DISSOLVE: {
bool const main_inset = &buffer().inset() == this;
bool const target_inset = cmd.argument().empty()
|| cmd.getArg(0) == insetName(lyxCode());
bool const one_cell = nargs() == 1;
if (!main_inset && target_inset && one_cell) {
// Text::dissolveInset assumes that the cursor
// is inside the Inset.
if (&cur.inset() != this)
cur.pushBackward(*this);
cur.beginUndoGroup();
text_.dispatch(cur, cmd);
cur.endUndoGroup();
} else
cur.undispatched();
break;
}
default:
text_.dispatch(cur, cmd);
}
if (!cur.result().dispatched())
Inset::doDispatch(cur, cmd);
}
bool InsetText::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action()) {
case LFUN_INSET_DISSOLVE: {
bool const main_inset = &buffer().inset() == this;
bool const target_inset = cmd.argument().empty()
|| cmd.getArg(0) == insetName(lyxCode());
bool const one_cell = nargs() == 1;
if (target_inset)
status.setEnabled(!main_inset && one_cell);
return target_inset;
}
case LFUN_ARGUMENT_INSERT: {
string const arg = cmd.getArg(0);
if (arg.empty()) {
status.setEnabled(false);
return true;
}
if (&buffer().inset() == this || !cur.paragraph().layout().args().empty())
return text_.getStatus(cur, cmd, status);
Layout::LaTeXArgMap args = getLayout().args();
Layout::LaTeXArgMap::const_iterator const lait = args.find(arg);
if (lait != args.end()) {
status.setEnabled(true);
ParagraphList::const_iterator pit = paragraphs().begin();
for (; pit != paragraphs().end(); ++pit) {
InsetList::const_iterator it = pit->insetList().begin();
InsetList::const_iterator end = pit->insetList().end();
for (; it != end; ++it) {
if (it->inset->lyxCode() == ARG_CODE) {
InsetArgument const * ins =
static_cast<InsetArgument const *>(it->inset);
if (ins->name() == arg) {
// we have this already
status.setEnabled(false);
return true;
}
}
}
}
} else
status.setEnabled(false);
return true;
}
default:
// Dispatch only to text_ if the cursor is inside
// the text_. It is not for context menus (bug 5797).
bool ret = false;
if (cur.text() == &text_)
ret = text_.getStatus(cur, cmd, status);
if (!ret)
ret = Inset::getStatus(cur, cmd, status);
return ret;
}
}
void InsetText::fixParagraphsFont()
{
Font font(inherit_font, buffer().params().language);
font.setLanguage(latex_language);
ParagraphList::iterator par = paragraphs().begin();
ParagraphList::iterator const end = paragraphs().end();
while (par != end) {
if (par->isPassThru())
par->resetFonts(font);
if (!par->allowParagraphCustomization())
par->params().clear();
++par;
}
}
void InsetText::setChange(Change const & change)
{
ParagraphList::iterator pit = paragraphs().begin();
ParagraphList::iterator end = paragraphs().end();
for (; pit != end; ++pit) {
pit->setChange(change);
}
}
void InsetText::acceptChanges()
{
text_.acceptChanges();
}
void InsetText::rejectChanges()
{
text_.rejectChanges();
}
void InsetText::validate(LaTeXFeatures & features) const
{
features.useInsetLayout(getLayout());
for_each(paragraphs().begin(), paragraphs().end(),
bind(&Paragraph::validate, _1, ref(features)));
}
void InsetText::latex(otexstream & os, OutputParams const & runparams) const
{
// This implements the standard way of handling the LaTeX
// output of a text inset, either a command or an
// environment. Standard collapsable insets should not
// redefine this, non-standard ones may call this.
InsetLayout const & il = getLayout();
if (il.forceOwnlines())
os << breakln;
if (!il.latexname().empty()) {
if (il.latextype() == InsetLayout::COMMAND) {
// FIXME UNICODE
// FIXME \protect should only be used for fragile
// commands, but we do not provide this information yet.
if (runparams.moving_arg)
os << "\\protect";
os << '\\' << from_utf8(il.latexname());
if (!il.latexargs().empty())
getArgs(os, runparams);
if (!il.latexparam().empty())
os << from_utf8(il.latexparam());
os << '{';
} else if (il.latextype() == InsetLayout::ENVIRONMENT) {
if (il.isDisplay())
os << breakln;
else
os << safebreakln;
if (runparams.lastid != -1)
os.texrow().start(runparams.lastid,
runparams.lastpos);
os << "\\begin{" << from_utf8(il.latexname()) << "}";
if (!il.latexargs().empty())
getArgs(os, runparams);
if (!il.latexparam().empty())
os << from_utf8(il.latexparam());
os << '\n';
}
} else {
if (!il.latexargs().empty())
getArgs(os, runparams);
if (!il.latexparam().empty())
os << from_utf8(il.latexparam());
}
if (!il.leftdelim().empty())
os << il.leftdelim();
OutputParams rp = runparams;
if (isPassThru())
rp.pass_thru = true;
if (il.isNeedProtect())
rp.moving_arg = true;
if (!il.passThruChars().empty())
rp.pass_thru_chars += il.passThruChars();
rp.par_begin = 0;
rp.par_end = paragraphs().size();
// Output the contents of the inset
latexParagraphs(buffer(), text_, os, rp);
runparams.encoding = rp.encoding;
if (!il.rightdelim().empty())
os << il.rightdelim();
if (!il.latexname().empty()) {
if (il.latextype() == InsetLayout::COMMAND) {
os << "}";
if (!il.postcommandargs().empty())
getArgs(os, runparams, true);
} else if (il.latextype() == InsetLayout::ENVIRONMENT) {
// A comment environment doesn't need a % before \n\end
if (il.isDisplay() || runparams.inComment)
os << breakln;
else
os << safebreakln;
os << "\\end{" << from_utf8(il.latexname()) << "}" << breakln;
if (!il.isDisplay())
os.protectSpace(true);
}
}
if (il.forceOwnlines())
os << breakln;
}
int InsetText::plaintext(odocstringstream & os,
OutputParams const & runparams, size_t max_length) const
{
ParagraphList::const_iterator beg = paragraphs().begin();
ParagraphList::const_iterator end = paragraphs().end();
ParagraphList::const_iterator it = beg;
bool ref_printed = false;
int len = 0;
for (; it != end; ++it) {
if (it != beg) {
os << '\n';
if (runparams.linelen > 0)
os << '\n';
}
odocstringstream oss;
writePlaintextParagraph(buffer(), *it, oss, runparams, ref_printed, max_length);
docstring const str = oss.str();
os << str;
// FIXME: len is not computed fully correctly; in principle,
// we have to count the characters after the last '\n'
len = str.size();
if (os.str().size() >= max_length)
break;
}
return len;
}
int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
{
ParagraphList::const_iterator const beg = paragraphs().begin();
if (!undefined())
sgml::openTag(os, getLayout().latexname(),
beg->getID(buffer(), runparams) + getLayout().latexparam());
docbookParagraphs(text_, buffer(), os, runparams);
if (!undefined())
sgml::closeTag(os, getLayout().latexname());
return 0;
}
docstring InsetText::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
{
return insetAsXHTML(xs, runparams, WriteEverything);
}
// FIXME XHTML
// There are cases where we may need to close open fonts and such
// and then re-open them when we are done. This would be the case, e.g.,
// if we were otherwise about to write:
// <em>word <div class='foot'>footnote text.</div> emph</em>
// The problem isn't so much that the footnote text will get emphasized:
// we can handle that with CSS. The problem is that this is invalid XHTML.
// One solution would be to make the footnote <span>, but the problem is
// completely general, and so we'd have to make absolutely everything into
// span. What I think will work is to check if we're about to write "div" and,
// if so, try to close fonts, etc.
// There are probably limits to how well we can do here, though, and we will
// have to rely upon users not putting footnotes inside noun-type insets.
docstring InsetText::insetAsXHTML(XHTMLStream & xs, OutputParams const & rp,
XHTMLOptions opts) const
{
// we will always want to output all our paragraphs when we are
// called this way.
OutputParams runparams = rp;
runparams.par_begin = 0;
runparams.par_end = text().paragraphs().size();
if (undefined()) {
xhtmlParagraphs(text_, buffer(), xs, runparams);
return docstring();
}
InsetLayout const & il = getLayout();
if (opts & WriteOuterTag)
xs << html::StartTag(il.htmltag(), il.htmlattr());
if ((opts & WriteLabel) && !il.counter().empty()) {
BufferParams const & bp = buffer().masterBuffer()->params();
Counters & cntrs = bp.documentClass().counters();
cntrs.step(il.counter(), OutputUpdate);
// FIXME: translate to paragraph language
if (!il.htmllabel().empty()) {
docstring const lbl =
cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
// FIXME is this check necessary?
if (!lbl.empty()) {
xs << html::StartTag(il.htmllabeltag(), il.htmllabelattr());
xs << lbl;
xs << html::EndTag(il.htmllabeltag());
}
}
}
if (opts & WriteInnerTag)
xs << html::StartTag(il.htmlinnertag(), il.htmlinnerattr());
// we will eventually lose information about the containing inset
if (!allowMultiPar() || opts == JustText)
runparams.html_make_pars = false;
if (il.isPassThru())
runparams.pass_thru = true;
xhtmlParagraphs(text_, buffer(), xs, runparams);
if (opts & WriteInnerTag)
xs << html::EndTag(il.htmlinnertag());
if (opts & WriteOuterTag)
xs << html::EndTag(il.htmltag());
return docstring();
}
void InsetText::getArgs(otexstream & os, OutputParams const & runparams_in,
bool const post) const
{
OutputParams runparams = runparams_in;
runparams.local_font =
&paragraphs()[0].getFirstFontSettings(buffer().masterBuffer()->params());
if (isPassThru())
runparams.pass_thru = true;
if (post)
latexArgInsets(paragraphs(), paragraphs().begin(), os, runparams, getLayout().postcommandargs(), "post:");
else
latexArgInsets(paragraphs(), paragraphs().begin(), os, runparams, getLayout().latexargs());
}
void InsetText::cursorPos(BufferView const & bv,
CursorSlice const & sl, bool boundary, int & x, int & y) const
{
x = bv.textMetrics(&text_).cursorX(sl, boundary) + TEXT_TO_INSET_OFFSET;
y = bv.textMetrics(&text_).cursorY(sl, boundary);
}
void InsetText::setText(docstring const & data, Font const & font, bool trackChanges)
{
clear();
Paragraph & first = paragraphs().front();
for (unsigned int i = 0; i < data.length(); ++i)
first.insertChar(i, data[i], font, trackChanges);
}
void InsetText::setDrawFrame(bool flag)
{
drawFrame_ = flag;
}
ColorCode InsetText::frameColor() const
{
return frame_color_;
}
void InsetText::setFrameColor(ColorCode col)
{
frame_color_ = col;
}
void InsetText::appendParagraphs(ParagraphList & plist)
{
// There is little we can do here to keep track of changes.
// As of 2006/10/20, appendParagraphs is used exclusively by
// LyXTabular::setMultiColumn. In this context, the paragraph break
// is lost irreversibly and the appended text doesn't really change
ParagraphList & pl = paragraphs();
ParagraphList::iterator pit = plist.begin();
ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
++pit;
mergeParagraph(buffer().params(), pl,
distance(pl.begin(), ins) - 1);
for_each(pit, plist.end(),
bind(&ParagraphList::push_back, ref(pl), _1));
}
void InsetText::addPreview(DocIterator const & text_inset_pos,
PreviewLoader & loader) const
{
ParagraphList::const_iterator pit = paragraphs().begin();
ParagraphList::const_iterator pend = paragraphs().end();
int pidx = 0;
DocIterator inset_pos = text_inset_pos;
inset_pos.push_back(CursorSlice(*const_cast<InsetText *>(this)));
for (; pit != pend; ++pit, ++pidx) {
InsetList::const_iterator it = pit->insetList().begin();
InsetList::const_iterator end = pit->insetList().end();
inset_pos.pit() = pidx;
for (; it != end; ++it) {
inset_pos.pos() = it->pos;
it->inset->addPreview(inset_pos, loader);
}
}
}
ParagraphList const & InsetText::paragraphs() const
{
return text_.paragraphs();
}
ParagraphList & InsetText::paragraphs()
{
return text_.paragraphs();
}
bool InsetText::insetAllowed(InsetCode code) const
{
switch (code) {
// Arguments are also allowed in PassThru insets
case ARG_CODE:
return true;
default:
return !isPassThru();
}
}
void InsetText::updateBuffer(ParIterator const & it, UpdateType utype)
{
ParIterator it2 = it;
it2.forwardPos();
LASSERT(&it2.inset() == this && it2.pit() == 0, return);
if (producesOutput()) {
InsetLayout const & il = getLayout();
bool const save_layouts = utype == OutputUpdate && il.htmlisblock();
Counters & cnt = buffer().masterBuffer()->params().documentClass().counters();
if (save_layouts) {
// LYXERR0("Entering " << name());
cnt.clearLastLayout();
// FIXME cnt.saveLastCounter()?
}
buffer().updateBuffer(it2, utype);
if (save_layouts) {
// LYXERR0("Exiting " << name());
cnt.restoreLastLayout();
// FIXME cnt.restoreLastCounter()?
}
} else {
DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
// Note that we do not need to call:
// tclass.counters().clearLastLayout()
// since we are saving and restoring the existing counters, etc.
Counters const savecnt = tclass.counters();
tclass.counters().reset();
buffer().updateBuffer(it2, utype);
tclass.counters() = savecnt;
}
}
void InsetText::toString(odocstream & os) const
{
os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
}
void InsetText::forOutliner(docstring & os, size_t maxlen) const
{
if (!getLayout().isInToc())
return;
text().forOutliner(os, maxlen, false);
}
void InsetText::addToToc(DocIterator const & cdit, bool output_active) const
{
DocIterator dit = cdit;
dit.push_back(CursorSlice(const_cast<InsetText &>(*this)));
iterateForToc(dit, output_active);
}
void InsetText::iterateForToc(DocIterator const & cdit, bool output_active) const
{
DocIterator dit = cdit;
Toc & toc = buffer().tocBackend().toc("tableofcontents");
BufferParams const & bufparams = buffer_->params();
int const min_toclevel = bufparams.documentClass().min_toclevel();
// we really should have done this before we got here, but it
// can't hurt too much to do it again
bool const doing_output = output_active && producesOutput();
// For each paragraph, traverse its insets and let them add
// their toc items
ParagraphList const & pars = paragraphs();
pit_type pend = paragraphs().size();
for (pit_type pit = 0; pit != pend; ++pit) {
Paragraph const & par = pars[pit];
dit.pit() = pit;
// if we find an optarg, we'll save it for use later.
InsetText const * arginset = 0;
InsetList::const_iterator it = par.insetList().begin();
InsetList::const_iterator end = par.insetList().end();
for (; it != end; ++it) {
Inset & inset = *it->inset;
dit.pos() = it->pos;
//lyxerr << (void*)&inset << " code: " << inset.lyxCode() << std::endl;
inset.addToToc(dit, doing_output);
if (inset.lyxCode() == ARG_CODE)
arginset = inset.asInsetText();
}
// now the toc entry for the paragraph
int const toclevel = text().getTocLevel(pit);
if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
// insert this into the table of contents
docstring tocstring;
int const length = doing_output ? INT_MAX : TOC_ENTRY_LENGTH;
if (arginset) {
tocstring = par.labelString();
if (!tocstring.empty())
tocstring += ' ';
arginset->text().forOutliner(tocstring, length);
} else
par.forOutliner(tocstring, length);
dit.pos() = 0;
toc.push_back(TocItem(dit, toclevel - min_toclevel,
tocstring, doing_output, tocstring));
}
// And now the list of changes.
par.addChangesToToc(dit, buffer(), doing_output);
}
}
bool InsetText::notifyCursorLeaves(Cursor const & old, Cursor & cur)
{
if (buffer().isClean())
return Inset::notifyCursorLeaves(old, cur);
// find text inset in old cursor
Cursor insetCur = old;
int scriptSlice = insetCur.find(this);
// we can try to continue here. returning true means
// the cursor is "now" invalid. which it was.
LASSERT(scriptSlice != -1, return true);
insetCur.cutOff(scriptSlice);
LASSERT(&insetCur.inset() == this, return true);
// update the old paragraph's words
insetCur.paragraph().updateWords();
return Inset::notifyCursorLeaves(old, cur);
}
bool InsetText::completionSupported(Cursor const & cur) const
{
//LASSERT(&cur.bv().cursor().inset() == this, return false);
return text_.completionSupported(cur);
}
bool InsetText::inlineCompletionSupported(Cursor const & cur) const
{
return completionSupported(cur);
}
bool InsetText::automaticInlineCompletion() const
{
return lyxrc.completion_inline_text;
}
bool InsetText::automaticPopupCompletion() const
{
return lyxrc.completion_popup_text;
}
bool InsetText::showCompletionCursor() const
{
return lyxrc.completion_cursor_text;
}
CompletionList const * InsetText::createCompletionList(Cursor const & cur) const
{
return completionSupported(cur) ? text_.createCompletionList(cur) : 0;
}
docstring InsetText::completionPrefix(Cursor const & cur) const
{
if (!completionSupported(cur))
return docstring();
return text_.completionPrefix(cur);
}
bool InsetText::insertCompletion(Cursor & cur, docstring const & s,
bool finished)
{
if (!completionSupported(cur))
return false;
return text_.insertCompletion(cur, s, finished);
}
void InsetText::completionPosAndDim(Cursor const & cur, int & x, int & y,
Dimension & dim) const
{
TextMetrics const & tm = cur.bv().textMetrics(&text_);
tm.completionPosAndDim(cur, x, y, dim);
}
string InsetText::contextMenu(BufferView const &, int, int) const
{
string context_menu = contextMenuName();
if (context_menu != InsetText::contextMenuName())
context_menu += ";" + InsetText::contextMenuName();
return context_menu;
}
string InsetText::contextMenuName() const
{
return "context-edit";
}
docstring InsetText::toolTipText(docstring prefix,
size_t numlines, size_t len) const
{
size_t const max_length = numlines * len;
OutputParams rp(&buffer().params().encoding());
rp.for_tooltip = true;
odocstringstream oss;
oss << prefix;
ParagraphList::const_iterator beg = paragraphs().begin();
ParagraphList::const_iterator end = paragraphs().end();
ParagraphList::const_iterator it = beg;
bool ref_printed = false;
docstring str;
for (; it != end; ++it) {
if (it != beg)
oss << '\n';
writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed, max_length);
str = oss.str();
if (str.length() >= max_length)
break;
}
return support::wrapParas(str, 4, len, numlines);
}
InsetCaption const * InsetText::getCaptionInset() const
{
ParagraphList::const_iterator pit = paragraphs().begin();
for (; pit != paragraphs().end(); ++pit) {
InsetList::const_iterator it = pit->insetList().begin();
for (; it != pit->insetList().end(); ++it) {
Inset & inset = *it->inset;
if (inset.lyxCode() == CAPTION_CODE) {
InsetCaption const * ins =
static_cast<InsetCaption const *>(it->inset);
return ins;
}
}
}
return 0;
}
docstring InsetText::getCaptionText(OutputParams const & runparams) const
{
InsetCaption const * ins = getCaptionInset();
if (ins == 0)
return docstring();
odocstringstream ods;
ins->getCaptionAsPlaintext(ods, runparams);
return ods.str();
}
docstring InsetText::getCaptionHTML(OutputParams const & runparams) const
{
InsetCaption const * ins = getCaptionInset();
if (ins == 0)
return docstring();
odocstringstream ods;
XHTMLStream xs(ods);
docstring def = ins->getCaptionAsHTML(xs, runparams);
if (!def.empty())
// should already have been escaped
xs << XHTMLStream::ESCAPE_NONE << def << '\n';
return ods.str();
}
InsetText::XHTMLOptions operator|(InsetText::XHTMLOptions a1, InsetText::XHTMLOptions a2)
{
return static_cast<InsetText::XHTMLOptions>((int)a1 | (int)a2);
}
} // namespace lyx