-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
+/**
+ * \file paragraph_funcs.C
+ * 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 "paragraph_funcs.h"
+#include "paragraph_pimpl.h"
#include "buffer.h"
#include "ParagraphParameters.h"
#include "lyxtextclasslist.h"
#include "debug.h"
+#include "language.h"
+#include "encoding.h"
+#include "lyxrc.h"
+#include "support/lstrings.h"
+#include "insets/insetoptarg.h"
+
+extern string bibitemWidest(Buffer const *);
using lyx::pos_type;
//using lyx::layout_type;
using std::endl;
-
+using std::ostream;
void breakParagraph(BufferParams const & bparams,
- Paragraph * par,
+ ParagraphList::iterator par,
pos_type pos,
int flag)
{
- // create a new paragraph
- Paragraph * tmp = new Paragraph(par);
+ // create a new paragraph, and insert into the list
+ Paragraph * tmp = new Paragraph(&*par);
+ // without doing that we get a crash when typing <Return> at the
+ // end of a paragraph
+ tmp->layout(bparams.getLyXTextClass().defaultLayout());
// remember to set the inset_owner
tmp->setInsetOwner(par->inInset());
-
+
+ if (bparams.tracking_changes)
+ tmp->trackChanges();
+
// this is an idea for a more userfriendly layout handling, I will
// see what the users say
-
+
// layout stays the same with latex-environments
if (flag) {
tmp->layout(par->layout());
tmp->setLabelWidthString(par->params().labelWidthString());
}
- bool isempty = (par->layout()->keepempty && par->empty());
-
+ bool const isempty = (par->layout()->keepempty && par->empty());
+
if (!isempty && (par->size() > pos || par->empty() || flag == 2)) {
tmp->layout(par->layout());
tmp->params().align(par->params().align());
tmp->setLabelWidthString(par->params().labelWidthString());
-
+
tmp->params().lineBottom(par->params().lineBottom());
par->params().lineBottom(false);
tmp->params().pagebreakBottom(par->params().pagebreakBottom());
par->params().pagebreakBottom(false);
tmp->params().spaceBottom(par->params().spaceBottom());
par->params().spaceBottom(VSpace(VSpace::NONE));
-
+
tmp->params().depth(par->params().depth());
tmp->params().noindent(par->params().noindent());
-
+
// copy everything behind the break-position
// to the new paragraph
+
+#ifdef WITH_WARNINGS
+#warning this seems wrong
+#endif
+ /* FIXME: if !keepempty, empty() == true, then we reach
+ * here with size() == 0. So pos_end becomes - 1. Why
+ * doesn't this cause problems ???
+ */
pos_type pos_end = par->size() - 1;
pos_type i = pos;
pos_type j = pos;
+
for (; i <= pos_end; ++i) {
+ Change::Type change(par->lookupChange(i));
par->cutIntoMinibuffer(bparams, i);
- if (tmp->insertFromMinibuffer(j - pos))
+ if (tmp->insertFromMinibuffer(j - pos)) {
+ tmp->setChange(j - pos, change);
++j;
+ }
}
for (i = pos_end; i >= pos; --i) {
- par->erase(i);
+ par->eraseIntern(i);
}
}
-
- // just an idea of me
- if (!pos) {
- tmp->params().lineTop(par->params().lineTop());
- tmp->params().pagebreakTop(par->params().pagebreakTop());
- tmp->params().spaceTop(par->params().spaceTop());
- tmp->bibkey = par->bibkey;
- par->bibkey = 0;
- par->params().clear();
+ if (pos)
+ return;
+
+ tmp->params().lineTop(par->params().lineTop());
+ tmp->params().pagebreakTop(par->params().pagebreakTop());
+ tmp->params().spaceTop(par->params().spaceTop());
+ par->params().clear();
- par->layout(bparams.getLyXTextClass().defaultLayout());
-
- // layout stays the same with latex-environments
- if (flag) {
- par->layout(tmp->layout());
- par->setLabelWidthString(tmp->params().labelWidthString());
- par->params().depth(tmp->params().depth());
+ par->layout(bparams.getLyXTextClass().defaultLayout());
+
+ // layout stays the same with latex-environments
+ if (flag) {
+ par->layout(tmp->layout());
+ par->setLabelWidthString(tmp->params().labelWidthString());
+ par->params().depth(tmp->params().depth());
+ }
+
+ // subtle, but needed to get empty pars working right
+ if (bparams.tracking_changes) {
+ if (!par->size()) {
+ par->cleanChanges();
+ } else if (!tmp->size()) {
+ tmp->cleanChanges();
}
}
}
void breakParagraphConservative(BufferParams const & bparams,
- Paragraph * par,
+ ParagraphList::iterator par,
pos_type pos)
{
// create a new paragraph
- Paragraph * tmp = new Paragraph(par);
- tmp->makeSameLayout(par);
+ Paragraph * tmp = new Paragraph(&*par);
+ tmp->makeSameLayout(&*par);
// When can pos > Last()?
// I guess pos == Last() is possible.
if (tmp->insertFromMinibuffer(j - pos))
++j;
}
-
+
for (pos_type k = pos_end; k >= pos; --k) {
par->erase(k);
}
}
-#if 0
-// Be carefull, this does not make any check at all.
-// This method has wrong name, it combined this par with the next par.
-// In that sense it is the reverse of break paragraph. (Lgb)
-void pasteParagraph(BufferParams const & bparams,
- Paragraph * par)
+void mergeParagraph(Buffer * buf, ParagraphList::iterator par)
{
- // copy the next paragraph to this one
- Paragraph * the_next = par->next();
+ BufferParams const & bparams = buf->params;
+
+ ParagraphList::iterator the_next = boost::next(par);
// first the DTP-stuff
par->params().lineBottom(the_next->params().lineBottom());
++j;
}
- // delete the next paragraph
- Paragraph * ppar = the_next->previous();
- Paragraph * npar = the_next->next();
- delete the_next;
- ppar->next(npar);
+ buf->paragraphs.erase(the_next);
}
+#if 0
Paragraph * depthHook(Paragraph * par, Paragraph::depth_type depth)
{
Paragraph * newpar = par;
}
-Paragraph * outerHook(Paragraph * par)
+Paragraph * outerHook(Paragraph * par)
{
if (!par->getDepth())
return 0;
return END_LABEL_NO_LABEL;
}
#endif
+
+
+ParagraphList::iterator
+TeXDeeper(Buffer const * buf,
+ BufferParams const & bparams,
+ ParagraphList::iterator pit,
+ ostream & os, TexRow & texrow)
+{
+ lyxerr[Debug::LATEX] << "TeXDeeper... " << &*pit << endl;
+ ParagraphList::iterator par = pit;
+
+ while (par != buf->paragraphs.end()&& par->params().depth() == pit->params().depth()) {
+ if (par->layout()->isEnvironment()) {
+ par = TeXEnvironment(buf, bparams, par,
+ os, texrow);
+ } else {
+ par = TeXOnePar(buf, bparams, par,
+ os, texrow, false);
+ }
+ }
+ lyxerr[Debug::LATEX] << "TeXDeeper...done " << &*par << endl;
+
+ return par;
+}
+
+
+ParagraphList::iterator
+TeXEnvironment(Buffer const * buf,
+ BufferParams const & bparams,
+ ParagraphList::iterator pit,
+ ostream & os, TexRow & texrow)
+{
+ lyxerr[Debug::LATEX] << "TeXEnvironment... " << &*pit << endl;
+
+ LyXLayout_ptr const & style = pit->layout();
+
+ Language const * language = pit->getParLanguage(bparams);
+ Language const * doc_language = bparams.language;
+ Language const * previous_language = pit->previous()
+ ? pit->previous()->getParLanguage(bparams) : doc_language;
+ if (language->babel() != previous_language->babel()) {
+
+ if (!lyxrc.language_command_end.empty() &&
+ previous_language->babel() != doc_language->babel()) {
+ os << subst(lyxrc.language_command_end, "$$lang",
+ previous_language->babel())
+ << endl;
+ texrow.newline();
+ }
+
+ if (lyxrc.language_command_end.empty() ||
+ language->babel() != doc_language->babel()) {
+ os << subst(lyxrc.language_command_begin, "$$lang",
+ language->babel())
+ << endl;
+ texrow.newline();
+ }
+ }
+
+ bool leftindent_open = false;
+ if (!pit->params().leftIndent().zero()) {
+ os << "\\begin{LyXParagraphLeftIndent}{" <<
+ pit->params().leftIndent().asLatexString() << "}\n";
+ texrow.newline();
+ leftindent_open = true;
+ }
+
+ if (style->isEnvironment()) {
+ if (style->latextype == LATEX_LIST_ENVIRONMENT) {
+ os << "\\begin{" << style->latexname() << "}{"
+ << pit->params().labelWidthString() << "}\n";
+ } else if (style->labeltype == LABEL_BIBLIO) {
+ // ale970405
+ os << "\\begin{" << style->latexname() << "}{"
+ << bibitemWidest(buf)
+ << "}\n";
+ } else if (style->latextype == LATEX_ITEM_ENVIRONMENT) {
+ os << "\\begin{" << style->latexname() << '}'
+ << style->latexparam() << '\n';
+ } else
+ os << "\\begin{" << style->latexname() << '}'
+ << style->latexparam() << '\n';
+ texrow.newline();
+ }
+ ParagraphList::iterator par = pit;
+ do {
+ par = TeXOnePar(buf, bparams, par, os, texrow, false);
+
+ if (par != buf->paragraphs.end()&& par->params().depth() > pit->params().depth()) {
+ if (par->layout()->isParagraph()) {
+
+ // Thinko!
+ // How to handle this? (Lgb)
+ //&& !suffixIs(os, "\n\n")
+ //) {
+ // There should be at least one '\n' already
+ // but we need there to be two for Standard
+ // paragraphs that are depth-increment'ed to be
+ // output correctly. However, tables can
+ // also be paragraphs so don't adjust them.
+ // ARRae
+ // Thinkee:
+ // Will it ever harm to have one '\n' too
+ // many? i.e. that we sometimes will have
+ // three in a row. (Lgb)
+ os << '\n';
+ texrow.newline();
+ }
+ par = TeXDeeper(buf, bparams, par, os, texrow);
+ }
+ } while (par != buf->paragraphs.end()
+ && par->layout() == pit->layout()
+ && par->params().depth() == pit->params().depth()
+ && par->params().leftIndent() == pit->params().leftIndent());
+
+ if (style->isEnvironment()) {
+ os << "\\end{" << style->latexname() << "}\n";
+ texrow.newline();
+ }
+
+ if (leftindent_open) {
+ os << "\\end{LyXParagraphLeftIndent}\n";
+ texrow.newline();
+ }
+
+ lyxerr[Debug::LATEX] << "TeXEnvironment...done " << &*par << endl;
+ return par; // ale970302
+}
+
+
+namespace {
+
+InsetOptArg * optArgInset(Paragraph const & par)
+{
+ // Find the entry.
+ InsetList::iterator it = par.insetlist.begin();
+ InsetList::iterator end = par.insetlist.end();
+ for (; it != end; ++it) {
+ Inset * ins = it.getInset();
+ if (ins->lyxCode() == Inset::OPTARG_CODE) {
+ return static_cast<InsetOptArg *>(ins);
+ }
+ }
+ return 0;
+}
+
+} // end namespace
+
+
+ParagraphList::iterator
+TeXOnePar(Buffer const * buf,
+ BufferParams const & bparams,
+ ParagraphList::iterator pit,
+ ostream & os, TexRow & texrow,
+ bool moving_arg)
+{
+ lyxerr[Debug::LATEX] << "TeXOnePar... " << &*pit << endl;
+ Inset const * in = pit->inInset();
+ bool further_blank_line = false;
+ LyXLayout_ptr style;
+
+ // well we have to check if we are in an inset with unlimited
+ // lenght (all in one row) if that is true then we don't allow
+ // any special options in the paragraph and also we don't allow
+ // any environment other then "Standard" to be valid!
+ if ((in == 0) || !in->forceDefaultParagraphs(in)) {
+ style = pit->layout();
+
+ if (pit->params().startOfAppendix()) {
+ os << "\\appendix\n";
+ texrow.newline();
+ }
+
+ if (!pit->params().spacing().isDefault()
+ && (!pit->previous() || !pit->previous()->hasSameLayout(&*pit))) {
+ os << pit->params().spacing().writeEnvirBegin() << '\n';
+ texrow.newline();
+ }
+
+ if (style->isCommand()) {
+ os << '\n';
+ texrow.newline();
+ }
+
+ if (pit->params().pagebreakTop()) {
+ os << "\\newpage";
+ further_blank_line = true;
+ }
+ if (pit->params().spaceTop().kind() != VSpace::NONE) {
+ os << pit->params().spaceTop().asLatexCommand(bparams);
+ further_blank_line = true;
+ }
+
+ if (pit->params().lineTop()) {
+ os << "\\lyxline{\\" << pit->getFont(bparams, 0).latexSize() << '}'
+ << "\\vspace{-1\\parskip}";
+ further_blank_line = true;
+ }
+
+ if (further_blank_line) {
+ os << '\n';
+ texrow.newline();
+ }
+ } else {
+ style = bparams.getLyXTextClass().defaultLayout();
+ }
+
+ Language const * language = pit->getParLanguage(bparams);
+ Language const * doc_language = bparams.language;
+ Language const * previous_language = pit->previous()
+ ? pit->previous()->getParLanguage(bparams) : doc_language;
+
+ if (language->babel() != previous_language->babel()
+ // check if we already put language command in TeXEnvironment()
+ && !(style->isEnvironment()
+ && (!pit->previous() ||
+ (pit->previous()->layout() != pit->layout() &&
+ pit->previous()->getDepth() <= pit->getDepth())
+ || pit->previous()->getDepth() < pit->getDepth())))
+ {
+ if (!lyxrc.language_command_end.empty() &&
+ previous_language->babel() != doc_language->babel())
+ {
+ os << subst(lyxrc.language_command_end, "$$lang",
+ previous_language->babel())
+ << endl;
+ texrow.newline();
+ }
+
+ if (lyxrc.language_command_end.empty() ||
+ language->babel() != doc_language->babel())
+ {
+ os << subst(lyxrc.language_command_begin, "$$lang",
+ language->babel())
+ << endl;
+ texrow.newline();
+ }
+ }
+
+ if (bparams.inputenc == "auto" &&
+ language->encoding() != previous_language->encoding()) {
+ os << "\\inputencoding{"
+ << language->encoding()->LatexName()
+ << "}\n";
+ texrow.newline();
+ }
+
+ switch (style->latextype) {
+ case LATEX_COMMAND:
+ os << '\\' << style->latexname();
+
+ // Separate handling of optional argument inset.
+ if (style->optionalargs == 1) {
+ InsetOptArg * it = optArgInset(*pit);
+ if (it)
+ it->latexOptional(buf, os, false, false);
+ }
+ else
+ os << style->latexparam();
+ break;
+ case LATEX_ITEM_ENVIRONMENT:
+ case LATEX_LIST_ENVIRONMENT:
+ os << "\\item ";
+ break;
+ case LATEX_BIB_ENVIRONMENT:
+ // ignore this, the inset will write itself
+ break;
+ default:
+ break;
+ }
+
+ bool need_par = pit->simpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
+
+ // Make sure that \\par is done with the font of the last
+ // character if this has another size as the default.
+ // This is necessary because LaTeX (and LyX on the screen)
+ // calculates the space between the baselines according
+ // to this font. (Matthias)
+ //
+ // Is this really needed ? (Dekel)
+ // We do not need to use to change the font for the last paragraph
+ // or for a command.
+ LyXFont const font =
+ (pit->empty()
+ ? pit->getLayoutFont(bparams) : pit->getFont(bparams, pit->size() - 1));
+
+ bool is_command = style->isCommand();
+
+ if (style->resfont.size() != font.size() && pit->next() && !is_command) {
+ if (!need_par)
+ os << '{';
+ os << "\\" << font.latexSize() << " \\par}";
+ } else if (need_par) {
+ os << "\\par}";
+ } else if (is_command)
+ os << '}';
+
+ switch (style->latextype) {
+ case LATEX_ITEM_ENVIRONMENT:
+ case LATEX_LIST_ENVIRONMENT:
+ if (pit->next() && (pit->params().depth() < pit->next()->params().depth())) {
+ os << '\n';
+ texrow.newline();
+ }
+ break;
+ case LATEX_ENVIRONMENT:
+ // if its the last paragraph of the current environment
+ // skip it otherwise fall through
+ if (pit->next()
+ && (pit->next()->layout() != pit->layout()
+ || pit->next()->params().depth() != pit->params().depth()))
+ break;
+ // fall through possible
+ default:
+ // we don't need it for the last paragraph!!!
+ if (pit->next()) {
+ os << '\n';
+ texrow.newline();
+ }
+ }
+
+ if ((in == 0) || !in->forceDefaultParagraphs(in)) {
+ further_blank_line = false;
+ if (pit->params().lineBottom()) {
+ os << "\\lyxline{\\" << font.latexSize() << '}';
+ further_blank_line = true;
+ }
+
+ if (pit->params().spaceBottom().kind() != VSpace::NONE) {
+ os << pit->params().spaceBottom().asLatexCommand(bparams);
+ further_blank_line = true;
+ }
+
+ if (pit->params().pagebreakBottom()) {
+ os << "\\newpage";
+ further_blank_line = true;
+ }
+
+ if (further_blank_line) {
+ os << '\n';
+ texrow.newline();
+ }
+
+ if (!pit->params().spacing().isDefault()
+ && (!pit->next() || !pit->next()->hasSameLayout(&*pit))) {
+ os << pit->params().spacing().writeEnvirEnd() << '\n';
+ texrow.newline();
+ }
+ }
+
+ // we don't need it for the last paragraph!!!
+ if (pit->next()) {
+ os << '\n';
+ texrow.newline();
+ } else {
+ // Since \selectlanguage write the language to the aux file,
+ // we need to reset the language at the end of footnote or
+ // float.
+
+ if (language->babel() != doc_language->babel()) {
+ if (lyxrc.language_command_end.empty())
+ os << subst(lyxrc.language_command_begin,
+ "$$lang",
+ doc_language->babel())
+ << endl;
+ else
+ os << subst(lyxrc.language_command_end,
+ "$$lang",
+ language->babel())
+ << endl;
+ texrow.newline();
+ }
+ }
+
+ lyxerr[Debug::LATEX] << "TeXOnePar...done " << pit->next() << endl;
+ return ++pit;
+}
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