lyx_mirror/src/insets/InsetCaption.cpp

361 lines
8.6 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 "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)
: InsetText(buf, InsetText::PlainLayout)
{
setAutoBreakRows(true);
setDrawFrame(true);
setFrameColor(Color_collapsableframe);
}
void InsetCaption::write(ostream & os) const
{
os << "Caption\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)
{
if (!isAscii(label) || label.empty())
// This must be a user defined layout. We cannot translate
// this, since gettext accepts only ascii keys.
custom_label_ = label;
else
custom_label_ = _(to_ascii(label));
}
void InsetCaption::addToToc(DocIterator const & cpit) const
{
if (type_.empty())
return;
DocIterator pit = cpit;
pit.push_back(CursorSlice(const_cast<InsetCaption &>(*this)));
Toc & toc = buffer().tocBackend().toc(type_);
docstring str = full_label_ + ". ";
text().forToc(str, TOC_ENTRY_LENGTH);
toc.push_back(TocItem(pit, 0, str));
// Proceed with the rest of the inset.
InsetText::addToToc(cpit);
}
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);
}
}
bool InsetCaption::getStatus(Cursor & cur, FuncRequest const & cmd,
FuncStatus & status) const
{
switch (cmd.action()) {
case LFUN_PARAGRAPH_BREAK:
status.setEnabled(false);
return true;
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;
// FIXME: actually, it is moving only when there is no
// optional argument.
runparams.moving_arg = true;
InsetText::latex(os, runparams);
runparams_in.encoding = runparams.encoding;
}
int InsetCaption::plaintext(odocstream & os,
OutputParams const & runparams) const
{
os << '[' << full_label_ << "\n";
InsetText::plaintext(os, runparams);
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();
string attr = "class='float-caption";
if (!type_.empty())
attr += " float-caption-" + type_;
attr += "'";
xs << html::StartTag("div", attr);
docstring def = getCaptionAsHTML(xs, rp);
xs << html::EndTag("div");
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
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_ << ' ';
return InsetText::plaintext(os, runparams);
}
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().
type_ = type;
if (type.empty())
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 (cnts.isSubfloat()) {
counter = "sub-" + from_utf8(type);
name = bformat(_("Sub-%1$s"),
master.B_(tclass.floats().getType(type).name()));
}
if (cnts.hasCounter(counter)) {
cnts.step(counter, utype);
full_label_ = bformat(from_ascii("%1$s %2$s:"),
name,
cnts.theCounter(counter, lang));
} else
full_label_ = bformat(from_ascii("%1$s #:"), name);
}
// Do the real work now.
InsetText::updateBuffer(it, utype);
if (utype == OutputUpdate)
cnts.restoreLastCounter();
}
} // namespace lyx