lyx_mirror/src/insets/InsetCaption.cpp
Guillaume Munch 3391fed36a Make the generation of children's tocs more robust
Let the children directly access the TocBuilders, instead of concatenating
after the fact.
2017-01-14 23:13:14 +01:00

432 lines
11 KiB
C++

/**
* \file InsetCaption.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "InsetCaption.h"
#include "InsetFloat.h"
#include "InsetWrap.h"
#include "Buffer.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "Counters.h"
#include "Cursor.h"
#include "Dimension.h"
#include "Floating.h"
#include "FloatList.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "InsetList.h"
#include "Language.h"
#include "MetricsInfo.h"
#include "output_latex.h"
#include "output_xhtml.h"
#include "OutputParams.h"
#include "Paragraph.h"
#include "ParIterator.h"
#include "TexRow.h"
#include "texstream.h"
#include "TextClass.h"
#include "TextMetrics.h"
#include "TocBackend.h"
#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include <sstream>
using namespace std;
using namespace lyx::support;
namespace lyx {
InsetCaption::InsetCaption(Buffer * buf, string const & type)
: InsetText(buf, InsetText::PlainLayout),
labelwidth_(0), is_subfloat_(false), type_(type)
{
setDrawFrame(true);
setFrameColor(Color_collapsableframe);
}
void InsetCaption::write(ostream & os) const
{
os << "Caption";
if (!type_.empty())
os << ' ' << type_;
os << '\n';
text().write(os);
}
docstring InsetCaption::layoutName() const
{
if (type_.empty())
return from_ascii("Caption");
return from_utf8("Caption:" + type_);
}
void InsetCaption::cursorPos(BufferView const & bv,
CursorSlice const & sl, bool boundary, int & x, int & y) const
{
InsetText::cursorPos(bv, sl, boundary, x, y);
x += labelwidth_;
}
void InsetCaption::setCustomLabel(docstring const & label)
{
custom_label_ = translateIfPossible(label);
}
void InsetCaption::addToToc(DocIterator const & cpit, bool output_active,
UpdateType utype, TocBackend & backend) const
{
string const & type = floattype_.empty() ? "senseless" : floattype_;
DocIterator pit = cpit;
pit.push_back(CursorSlice(const_cast<InsetCaption &>(*this)));
int length = (utype == OutputUpdate) ?
// For output (e.g. xhtml) all (bug #8603) or nothing
(output_active ? INT_MAX : 0) :
// TOC for LyX interface
TOC_ENTRY_LENGTH;
docstring str;
if (length > 0) {
str = full_label_;
text().forOutliner(str, length);
}
backend.builder(type).captionItem(pit, str, output_active);
// Proceed with the rest of the inset.
InsetText::addToToc(cpit, output_active, utype, backend);
}
void InsetCaption::metrics(MetricsInfo & mi, Dimension & dim) const
{
FontInfo tmpfont = mi.base.font;
mi.base.font = mi.base.bv->buffer().params().getFont().fontInfo();
labelwidth_ = theFontMetrics(mi.base.font).width(full_label_);
// add some space to separate the label from the inset text
labelwidth_ += 2 * TEXT_TO_INSET_OFFSET;
dim.wid = labelwidth_;
Dimension textdim;
// Correct for button and label width
mi.base.textwidth -= dim.wid;
InsetText::metrics(mi, textdim);
mi.base.font = tmpfont;
mi.base.textwidth += dim.wid;
dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
dim.asc = textdim.asc;
dim.wid += textdim.wid;
}
void InsetCaption::drawBackground(PainterInfo & pi, int x, int y) const
{
TextMetrics & tm = pi.base.bv->textMetrics(&text());
int const h = tm.height() + 2 * TEXT_TO_INSET_OFFSET;
int const yy = y - TEXT_TO_INSET_OFFSET - tm.ascent();
pi.pain.fillRectangle(x, yy, labelwidth_, h, pi.backgroundColor(this));
}
void InsetCaption::draw(PainterInfo & pi, int x, int y) const
{
// We must draw the label, we should get the label string
// from the enclosing float inset.
// The question is: Who should draw the label, the caption inset,
// the text inset or the paragraph?
// We should also draw the float number (Lgb)
// Answer: the text inset (in buffer_funcs.cpp: setCaption).
FontInfo tmpfont = pi.base.font;
pi.base.font = pi.base.bv->buffer().params().getFont().fontInfo();
pi.base.font.setColor(pi.textColor(pi.base.font.color()).baseColor);
int const xx = x + TEXT_TO_INSET_OFFSET;
pi.pain.text(xx, y, full_label_, pi.base.font);
InsetText::draw(pi, x + labelwidth_, y);
pi.base.font = tmpfont;
}
void InsetCaption::edit(Cursor & cur, bool front, EntryDirection entry_from)
{
cur.push(*this);
InsetText::edit(cur, front, entry_from);
}
Inset * InsetCaption::editXY(Cursor & cur, int x, int y)
{
cur.push(*this);
return InsetText::editXY(cur, x, y);
}
bool InsetCaption::insetAllowed(InsetCode code) const
{
switch (code) {
// code that is not allowed in a caption
case CAPTION_CODE:
case FLOAT_CODE:
case FOOT_CODE:
case NEWPAGE_CODE:
case MARGIN_CODE:
case MATHMACRO_CODE:
case TABULAR_CODE:
case WRAP_CODE:
return false;
default:
return InsetText::insetAllowed(code);
}
}
void InsetCaption::doDispatch(Cursor & cur, FuncRequest & cmd)
{
switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
if (cmd.getArg(0) == "changetype") {
cur.recordUndoInset(this);
type_ = cmd.getArg(1);
cur.forceBufferUpdate();
break;
}
}
default:
InsetText::doDispatch(cur, cmd);
break;
}
}
bool InsetCaption::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action()) {
case LFUN_INSET_MODIFY: {
string const first_arg = cmd.getArg(0);
if (first_arg == "changetype") {
string const type = cmd.getArg(1);
status.setOnOff(type == type_);
bool varia = type != "Unnumbered";
// check if the immediate parent inset allows caption variation
if (cur.depth() > 1) {
varia = cur[cur.depth() - 2].inset().allowsCaptionVariation(type);
}
status.setEnabled(varia
&& buffer().params().documentClass().hasInsetLayout(
from_ascii("Caption:" + type)));
return true;
}
return InsetText::getStatus(cur, cmd, status);
}
case LFUN_INSET_TOGGLE:
// pass back to owner
cur.undispatched();
return false;
default:
return InsetText::getStatus(cur, cmd, status);
}
}
void InsetCaption::latex(otexstream & os,
OutputParams const & runparams_in) const
{
if (runparams_in.inFloat == OutputParams::SUBFLOAT)
// caption is output as an optional argument
return;
// This is a bit too simplistic to take advantage of
// caption options we must add more later. (Lgb)
// This code is currently only able to handle the simple
// \caption{...}, later we will make it take advantage
// of the one of the caption packages. (Lgb)
OutputParams runparams = runparams_in;
InsetText::latex(os, runparams);
// Backwards compatibility: We always had a linebreak after
// the caption (see #8514)
os << breakln;
runparams_in.encoding = runparams.encoding;
}
int InsetCaption::plaintext(odocstringstream & os,
OutputParams const & runparams, size_t max_length) const
{
os << '[' << full_label_ << "\n";
InsetText::plaintext(os, runparams, max_length);
os << "\n]";
return PLAINTEXT_NEWLINE + 1; // one char on a separate line
}
int InsetCaption::docbook(odocstream & os,
OutputParams const & runparams) const
{
int ret;
os << "<title>";
ret = InsetText::docbook(os, runparams);
os << "</title>\n";
return ret;
}
docstring InsetCaption::xhtml(XHTMLStream & xs, OutputParams const & rp) const
{
if (rp.html_disable_captions)
return docstring();
InsetLayout const & il = getLayout();
string const & tag = il.htmltag();
string attr = il.htmlattr();
if (!type_.empty()) {
string const our_class = "float-caption-" + type_;
size_t const loc = attr.find("class='");
if (loc != string::npos)
attr.insert(loc + 7, our_class + " ");
else
attr = attr + " class='" + our_class + "'";
}
xs << html::StartTag(tag, attr);
docstring def = getCaptionAsHTML(xs, rp);
xs << html::EndTag(tag);
return def;
}
void InsetCaption::getArgument(otexstream & os,
OutputParams const & runparams) const
{
InsetLayout const & il = getLayout();
if (!il.leftdelim().empty())
os << il.leftdelim();
OutputParams rp = runparams;
if (isPassThru())
rp.pass_thru = true;
if (il.isNeedProtect())
rp.moving_arg = true;
rp.par_begin = 0;
rp.par_end = paragraphs().size();
// Output the contents of the inset
if (!paragraphs().empty())
os.texrow().forceStart(paragraphs()[0].id(), 0);
latexParagraphs(buffer(), text(), os, rp);
runparams.encoding = rp.encoding;
if (!il.rightdelim().empty())
os << il.rightdelim();
}
int InsetCaption::getCaptionAsPlaintext(odocstream & os,
OutputParams const & runparams) const
{
os << full_label_ << ' ';
odocstringstream ods;
int const retval = InsetText::plaintext(ods, runparams);
os << ods.str();
return retval;
}
docstring InsetCaption::getCaptionAsHTML(XHTMLStream & xs,
OutputParams const & runparams) const
{
xs << full_label_ << ' ';
InsetText::XHTMLOptions const opts =
InsetText::WriteLabel | InsetText::WriteInnerTag;
return InsetText::insetAsXHTML(xs, runparams, opts);
}
void InsetCaption::updateBuffer(ParIterator const & it, UpdateType utype)
{
Buffer const & master = *buffer().masterBuffer();
DocumentClass const & tclass = master.params().documentClass();
string const & lang = it.paragraph().getParLanguage(master.params())->code();
Counters & cnts = tclass.counters();
string const & type = cnts.current_float();
if (utype == OutputUpdate) {
// counters are local to the caption
cnts.saveLastCounter();
}
// Memorize type for addToToc().
floattype_ = type;
if (type.empty() || type == "senseless")
full_label_ = master.B_("Senseless!!! ");
else {
// FIXME: life would be _much_ simpler if listings was
// listed in Floating.
docstring name;
if (type == "listing")
name = master.B_("Listing");
else
name = master.B_(tclass.floats().getType(type).name());
docstring counter = from_utf8(type);
if ((is_subfloat_ = cnts.isSubfloat())) {
// only standard captions allowed in subfloats
type_ = "Standard";
counter = "sub-" + from_utf8(type);
name = bformat(_("Sub-%1$s"),
master.B_(tclass.floats().getType(type).name()));
}
docstring sec;
docstring const lstring = getLayout().labelstring();
docstring const labelstring = isAscii(lstring) ?
master.B_(to_ascii(lstring)) : lstring;
if (cnts.hasCounter(counter)) {
// for longtables, we step the counter upstream
if (!cnts.isLongtable())
cnts.step(counter, utype);
sec = cnts.theCounter(counter, lang);
}
if (labelstring != master.B_("standard")) {
if (!sec.empty())
sec += from_ascii(" ");
sec += bformat(from_ascii("(%1$s)"), labelstring);
}
if (!sec.empty())
full_label_ = bformat(from_ascii("%1$s %2$s: "), name, sec);
else
full_label_ = bformat(from_ascii("%1$s #: "), name);
}
// Do the real work now.
InsetText::updateBuffer(it, utype);
if (utype == OutputUpdate)
cnts.restoreLastCounter();
}
string InsetCaption::contextMenuName() const
{
return "context-caption";
}
} // namespace lyx