X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Finsets%2FInsetListings.cpp;h=b54b4106fd537bc4517e1c8538dd880d6ba4be49;hb=51d4d42906dd553ec72fa03e6c707c02bd73d494;hp=b52e9fb9afa9b09b51ea23e7976bc20a88d4c060;hpb=3d443b4c9dc657663a7d67c8254894345e551a06;p=lyx.git diff --git a/src/insets/InsetListings.cpp b/src/insets/InsetListings.cpp index b52e9fb9af..b54b4106fd 100644 --- a/src/insets/InsetListings.cpp +++ b/src/insets/InsetListings.cpp @@ -4,7 +4,7 @@ * Licence details can be found in the file COPYING. * * \author Bo Peng - * \author Jürgen Spitzmüller + * \author Jürgen Spitzmüller * * Full author contact details are available in file CREDITS. */ @@ -12,76 +12,55 @@ #include #include "InsetListings.h" -#include "InsetCaption.h" #include "Buffer.h" +#include "BufferView.h" #include "BufferParams.h" #include "Counters.h" #include "Cursor.h" #include "DispatchResult.h" +#include "Encoding.h" #include "FuncRequest.h" #include "FuncStatus.h" -#include "gettext.h" -#include "InsetList.h" +#include "InsetCaption.h" #include "Language.h" #include "MetricsInfo.h" +#include "output_latex.h" +#include "TextClass.h" +#include "support/debug.h" +#include "support/docstream.h" +#include "support/gettext.h" #include "support/lstrings.h" +#include "support/lassert.h" + +#include "frontends/alert.h" +#include "frontends/Application.h" + +#include #include -namespace lyx { +using namespace std; +using namespace lyx::support; -using support::token; -using support::contains; -using support::subst; +namespace lyx { -using std::istringstream; -using std::ostream; -using std::ostringstream; -using std::string; +using boost::regex; char const lstinline_delimiters[] = "!*()-=+|;:'\"`,<.>/?QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm"; -void InsetListings::init() +InsetListings::InsetListings(Buffer const & buf, InsetListingsParams const & par) + : InsetCollapsable(buf) { - setButtonLabel(); - FontInfo font = sane_font; - font.decSize(); - font.decSize(); - font.setColor(Color_none); - setLabelFont(font); - // FIXME: what to do with those? - //text_.current_font.setLanguage(latex_language); - //text_.real_current_font.setLanguage(latex_language); -} - - -InsetListings::InsetListings(BufferParams const & bp, InsetListingsParams const & par) - : InsetCollapsable(bp, par.status()) -{ - setLayout(bp); - init(); -} - - -InsetListings::InsetListings(InsetListings const & in) - : InsetCollapsable(in), params_(in.params_) -{ - init(); -} - - -Inset * InsetListings::clone() const -{ - return new InsetListings(*this); + status_ = par.status(); } InsetListings::~InsetListings() { - InsetListingsMailer(*this).hideDialog(); + hideDialogs("listings", this); } @@ -91,22 +70,22 @@ Inset::DisplayType InsetListings::display() const } -void InsetListings::updateLabels(Buffer const & buf, ParIterator const & it) +void InsetListings::updateLabels(ParIterator const & it) { - Counters & cnts = buf.params().getTextClass().counters(); + Counters & cnts = buffer().masterBuffer()->params().documentClass().counters(); string const saveflt = cnts.current_float(); // Tell to captions what the current float is cnts.current_float("listing"); - InsetCollapsable::updateLabels(buf, it); + InsetCollapsable::updateLabels(it); //reset afterwards cnts.current_float(saveflt); } -void InsetListings::write(Buffer const & buf, ostream & os) const +void InsetListings::write(ostream & os) const { os << "listings" << "\n"; InsetListingsParams const & par = params(); @@ -118,15 +97,15 @@ void InsetListings::write(Buffer const & buf, ostream & os) const os << "inline true\n"; else os << "inline false\n"; - InsetCollapsable::write(buf, os); + InsetCollapsable::write(os); } -void InsetListings::read(Buffer const & buf, Lexer & lex) +void InsetListings::read(Lexer & lex) { while (lex.isOK()) { lex.next(); - string const token = lex.getString(); + string token = lex.getString(); if (token == "lstparams") { lex.next(); string const value = lex.getString(); @@ -140,30 +119,52 @@ void InsetListings::read(Buffer const & buf, Lexer & lex) break; } } - InsetCollapsable::read(buf, lex); + InsetCollapsable::read(lex); } -docstring const InsetListings::editMessage() const +docstring InsetListings::editMessage() const { return _("Opened Listing Inset"); } -int InsetListings::latex(Buffer const & buf, odocstream & os, - OutputParams const & runparams) const +int InsetListings::latex(odocstream & os, OutputParams const & runparams) const { string param_string = params().params(); // NOTE: I use {} to quote text, which is an experimental feature // of the listings package (see page 25 of the manual) int lines = 0; - bool isInline = params().isInline(); + bool const isInline = params().isInline(); // get the paragraphs. We can not output them directly to given odocstream // because we can not yet determine the delimiter character of \lstinline docstring code; + docstring uncodable; ParagraphList::const_iterator par = paragraphs().begin(); ParagraphList::const_iterator end = paragraphs().end(); + bool encoding_switched = false; + Encoding const * const save_enc = runparams.encoding; + + if (!runparams.encoding->hasFixedWidth()) { + // We need to switch to a singlebyte encoding, since the listings + // package cannot deal with multiple-byte-encoded glyphs + Language const * const outer_language = + (runparams.local_font != 0) ? + runparams.local_font->language() + : buffer().params().language; + // We try if there's a singlebyte encoding for the current + // language; if not, fall back to latin1. + Encoding const * const lstenc = + (outer_language->encoding()->hasFixedWidth()) ? + outer_language->encoding() + : encodings.fromLyXName("iso8859-1"); + pair const c = switchEncoding(os, buffer().params(), + runparams, *lstenc, true); + runparams.encoding = lstenc; + encoding_switched = true; + } + while (par != end) { pos_type siz = par->size(); bool captionline = false; @@ -173,7 +174,28 @@ int InsetListings::latex(Buffer const & buf, odocstream & os, // ignore all struck out text and (caption) insets if (par->isDeleted(i) || par->isInset(i)) continue; - code += par->getChar(i); + char_type c = par->getChar(i); + // we can only output characters covered by the current + // encoding! + try { + if (runparams.encoding->latexChar(c) == docstring(1, c)) + code += c; + else if (runparams.dryrun) { + code += "<" + _("LyX Warning: ") + + _("uncodable character") + " '"; + code += docstring(1, c); + code += "'>"; + } else + uncodable += c; + } catch (EncodingException & /* e */) { + if (runparams.dryrun) { + code += "<" + _("LyX Warning: ") + + _("uncodable character") + " '"; + code += docstring(1, c); + code += "'>"; + } else + uncodable += c; + } } ++par; // for the inline case, if there are multiple paragraphs @@ -184,34 +206,41 @@ int InsetListings::latex(Buffer const & buf, odocstream & os, } } if (isInline) { - char const * delimiter = lstinline_delimiters; + char const * delimiter = lstinline_delimiters; for (; delimiter != '\0'; ++delimiter) if (!contains(code, *delimiter)) break; // This code piece contains all possible special character? !!! // Replace ! with a warning message and use ! as delimiter. if (*delimiter == '\0') { - code = subst(code, from_ascii("!"), from_ascii(" WARNING: no lstline delimiter can be used ")); + docstring delim_error = "<" + _("LyX Warning: ") + + _("no more lstline delimiters available") + ">"; + code = subst(code, from_ascii("!"), delim_error); delimiter = lstinline_delimiters; + if (!runparams.dryrun) { + // FIXME: warning should be passed to the error dialog + frontend::Alert::warning(_("Running out of delimiters"), + _("For inline program listings, one character must be reserved\n" + "as a delimiter. One of the listings, however, uses all available\n" + "characters, so none is left for delimiting purposes.\n" + "For the time being, I have replaced '!' by a warning, but you\n" + "must investigate!")); + } } if (param_string.empty()) os << "\\lstinline" << *delimiter; else - os << "\\lstinline[" << from_ascii(param_string) << "]" << *delimiter; + os << "\\lstinline[" << from_utf8(param_string) << "]" << *delimiter; os << code << *delimiter; } else { OutputParams rp = runparams; - // FIXME: the line below would fix bug 4182, - // but real_current_font moved to cursor. - //rp.local_font = &text_.real_current_font; rp.moving_arg = true; - docstring const caption = getCaption(buf, rp); - runparams.encoding = rp.encoding; + docstring const caption = getCaption(rp); if (param_string.empty() && caption.empty()) - os << "\n\\begingroup\n\\inputencoding{latin1}\n\\begin{lstlisting}\n"; + os << "\n\\begin{lstlisting}\n"; else { - os << "\n\\begingroup\n\\inputencoding{latin1}\n\\begin{lstlisting}["; + os << "\n\\begin{lstlisting}["; if (!caption.empty()) { os << "caption={" << caption << '}'; if (!param_string.empty()) @@ -219,35 +248,161 @@ int InsetListings::latex(Buffer const & buf, odocstream & os, } os << from_utf8(param_string) << "]\n"; } - lines += 4; - os << code - << "\n\\end{lstlisting}\n\\endgroup\n"; - lines += 3; + lines += 2; + os << code << "\n\\end{lstlisting}\n"; + lines += 2; + } + + if (encoding_switched){ + // Switch back + pair const c = switchEncoding(os, buffer().params(), + runparams, *save_enc, true); + runparams.encoding = save_enc; + } + + if (!uncodable.empty()) { + // issue a warning about omitted characters + // FIXME: should be passed to the error dialog + frontend::Alert::warning(_("Uncodable characters in listings inset"), + bformat(_("The following characters in one of the program listings are\n" + "not representable in the current encoding and have been omitted:\n%1$s."), + uncodable)); } return lines; } +docstring InsetListings::xhtml(odocstream & os, OutputParams const & rp) const +{ + odocstringstream out; + + bool const isInline = params().isInline(); + if (isInline) + out << "
\n"; + else { + out << "
\n"; + docstring caption = getCaptionHTML(rp); + if (!caption.empty()) + out << "
" << caption << "
\n"; + } + + out << "
\n";
+	docstring def = InsetText::xhtml(out, rp);
+	out << "\n
\n"; + + if (isInline) { + out << "
\n"; + os << out.str(); + } else { + out << "
"; + // In this case, this needs to be deferred, but we'll put it + // before anything the text itself deferred. + def = out.str() + '\n' + def; + } + return def; +} + + +docstring InsetListings::contextMenu(BufferView const &, int, int) const +{ + return from_ascii("context-listings"); +} + + void InsetListings::doDispatch(Cursor & cur, FuncRequest & cmd) { switch (cmd.action) { case LFUN_INSET_MODIFY: { - InsetListingsMailer::string2params(to_utf8(cmd.argument()), params()); + InsetListings::string2params(to_utf8(cmd.argument()), params()); break; } + case LFUN_INSET_DIALOG_UPDATE: - InsetListingsMailer(*this).updateDialog(&cur.bv()); + cur.bv().updateDialog("listings", params2string(params())); break; - case LFUN_MOUSE_RELEASE: { - if (cmd.button() == mouse_button::button3 && hitButton(cmd)) { - InsetListingsMailer(*this).showDialog(&cur.bv()); - break; + + case LFUN_TAB_INSERT: { + bool const multi_par_selection = cur.selection() && + cur.selBegin().pit() != cur.selEnd().pit(); + if (multi_par_selection) { + // If there is a multi-paragraph selection, a tab is inserted + // at the beginning of each paragraph. + cur.recordUndoSelection(); + pit_type const pit_end = cur.selEnd().pit(); + for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) { + paragraphs()[pit].insertChar(0, '\t', + buffer().params().trackChanges); + // Update the selection pos to make sure the selection does not + // change as the inserted tab will increase the logical pos. + if (cur.anchor_.pit() == pit) + cur.anchor_.forwardPos(); + if (cur.pit() == pit) + cur.forwardPos(); + } + cur.finishUndo(); + } else { + // Maybe we shouldn't allow tabs within a line, because they + // are not (yet) aligned as one might do expect. + FuncRequest cmd(LFUN_SELF_INSERT, from_ascii("\t")); + dispatch(cur, cmd); } - InsetCollapsable::doDispatch(cur, cmd); break; } + + case LFUN_TAB_DELETE: + if (cur.selection()) { + // If there is a selection, a tab (if present) is removed from + // the beginning of each paragraph. + cur.recordUndoSelection(); + pit_type const pit_end = cur.selEnd().pit(); + for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) { + Paragraph & par = paragraphs()[pit]; + if (par.getChar(0) == '\t') { + if (cur.pit() == pit) + cur.posBackward(); + if (cur.anchor_.pit() == pit && cur.anchor_.pos() > 0 ) + cur.anchor_.backwardPos(); + + par.eraseChar(0, buffer().params().trackChanges); + } else + // If no tab was present, try to remove up to four spaces. + for (int n_spaces = 0; + par.getChar(0) == ' ' && n_spaces < 4; ++n_spaces) { + if (cur.pit() == pit) + cur.posBackward(); + if (cur.anchor_.pit() == pit && cur.anchor_.pos() > 0 ) + cur.anchor_.backwardPos(); + + par.eraseChar(0, buffer().params().trackChanges); + } + } + cur.finishUndo(); + } else { + // If there is no selection, try to remove a tab or some spaces + // before the position of the cursor. + Paragraph & par = paragraphs()[cur.pit()]; + pos_type const pos = cur.pos(); + + if (pos == 0) + break; + + char_type const c = par.getChar(pos - 1); + cur.recordUndo(); + if (c == '\t') { + cur.posBackward(); + par.eraseChar(cur.pos(), buffer().params().trackChanges); + } else + for (int n_spaces = 0; cur.pos() > 0 + && par.getChar(cur.pos() - 1) == ' ' && n_spaces < 4; + ++n_spaces) { + cur.posBackward(); + par.eraseChar(cur.pos(), buffer().params().trackChanges); + } + cur.finishUndo(); + } + break; default: InsetCollapsable::doDispatch(cur, cmd); break; @@ -259,88 +414,90 @@ bool InsetListings::getStatus(Cursor & cur, FuncRequest const & cmd, FuncStatus & status) const { switch (cmd.action) { + case LFUN_INSET_MODIFY: case LFUN_INSET_DIALOG_UPDATE: - status.enabled(true); + status.setEnabled(true); return true; case LFUN_CAPTION_INSERT: - status.enabled(!params().isInline()); + status.setEnabled(!params().isInline()); return true; + case LFUN_TAB_INSERT: + case LFUN_TAB_DELETE: + status.setEnabled(true); + return true; default: return InsetCollapsable::getStatus(cur, cmd, status); } } -void InsetListings::setButtonLabel() +docstring const InsetListings::buttonLabel(BufferView const & bv) const { // FIXME UNICODE - if (decoration() == Classic) - setLabel(isOpen() ? _("Listing") : getNewLabel(_("Listing"))); + if (decoration() == InsetLayout::CLASSIC) + return isOpen(bv) ? _("Listing") : getNewLabel(_("Listing")); else - setLabel(getNewLabel(_("Listing"))); + return getNewLabel(_("Listing")); } void InsetListings::validate(LaTeXFeatures & features) const { features.require("listings"); + string param_string = params().params(); + if (param_string.find("\\color") != string::npos) + features.require("color"); InsetCollapsable::validate(features); } bool InsetListings::showInsetDialog(BufferView * bv) const { - InsetListingsMailer(const_cast(*this)).showDialog(bv); + bv->showDialog("listings", params2string(params()), + const_cast(this)); return true; } -docstring InsetListings::getCaption(Buffer const & buf, - OutputParams const & runparams) const +docstring InsetListings::getCaption(OutputParams const & runparams) const { if (paragraphs().empty()) return docstring(); - 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) { - odocstringstream ods; - InsetCaption * ins = - static_cast(it->inset); - ins->getOptArg(buf, ods, runparams); - ins->getArgument(buf, ods, runparams); - return ods.str(); - } - } - } - return docstring(); -} - - -string const InsetListingsMailer::name_("listings"); - -InsetListingsMailer::InsetListingsMailer(InsetListings & inset) - : inset_(inset) -{} - + InsetCaption const * ins = getCaptionInset(); + if (ins == 0) + return docstring(); -string const InsetListingsMailer::inset2string(Buffer const &) const -{ - return params2string(inset_.params()); + odocstringstream ods; + ins->getOptArg(ods, runparams); + ins->getArgument(ods, runparams); + // the caption may contain \label{} but the listings + // package prefer caption={}, label={} + docstring cap = ods.str(); + if (!contains(to_utf8(cap), "\\label{")) + return cap; + // convert from + // blah1\label{blah2} blah3 + // to + // blah1 blah3},label={blah2 + // to form options + // caption={blah1 blah3},label={blah2} + // + // NOTE that } is not allowed in blah2. + regex const reg("(.*)\\\\label\\{(.*?)\\}(.*)"); + string const new_cap("\\1\\3},label={\\2"); + return from_utf8(regex_replace(to_utf8(cap), reg, new_cap)); } -void InsetListingsMailer::string2params(string const & in, +void InsetListings::string2params(string const & in, InsetListingsParams & params) { params = InsetListingsParams(); if (in.empty()) return; istringstream data(in); - Lexer lex(0, 0); + Lexer lex; lex.setStream(data); // discard "listings", which is only used to determine inset lex.next(); @@ -348,11 +505,10 @@ void InsetListingsMailer::string2params(string const & in, } -string const -InsetListingsMailer::params2string(InsetListingsParams const & params) +string InsetListings::params2string(InsetListingsParams const & params) { ostringstream data; - data << name_ << " "; + data << "listings" << ' '; params.write(data); return data.str(); }