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lyx_mirror/src/insets/InsetText.cpp
Jean-Marc Lasgouttes f8f814c3c4 move some code from InsetCollapsable::doDispatch to InsetText 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30564 a592a061-630c-0410-9148-cb99ea01b6c8
2009-07-14 13:32:36 +00:00

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/**
* \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/InsetOptArg.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 "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_funcs.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/debug.h"
#include "support/gettext.h"
#include "support/lstrings.h"
#include <boost/bind.hpp>
#include "support/lassert.h"
using namespace std;
using namespace lyx::support;
using boost::bind;
using boost::ref;
namespace lyx {
using graphics::PreviewLoader;
/////////////////////////////////////////////////////////////////////
InsetText::InsetText(Buffer const & buf, UsePlain type)
: drawFrame_(false), frame_color_(Color_insetframe)
{
setBuffer(const_cast<Buffer &>(buf));
initParagraphs(type);
}
InsetText::InsetText(InsetText const & in)
: Inset(in), text_()
{
text_.autoBreakRows_ = in.text_.autoBreakRows_;
drawFrame_ = in.drawFrame_;
frame_color_ = in.frame_color_;
text_.paragraphs() = in.text_.paragraphs();
setParagraphOwner();
}
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::initParagraphs(UsePlain type)
{
LASSERT(paragraphs().empty(), /**/);
paragraphs().push_back(Paragraph());
Paragraph & ourpar = paragraphs().back();
ourpar.setInsetOwner(this);
DocumentClass const & dc = buffer_->params().documentClass();
if (type == DefaultLayout)
ourpar.setDefaultLayout(dc);
else
ourpar.setPlainLayout(dc);
}
void InsetText::setParagraphOwner()
{
for_each(paragraphs().begin(), paragraphs().end(),
bind(&Paragraph::setInsetOwner, _1, this));
}
void InsetText::clear()
{
ParagraphList & pars = paragraphs();
LASSERT(!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(buffer(), 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(buffer(), 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;
}
docstring InsetText::editMessage() const
{
return _("Opened Text Inset");
}
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.clearSelection();
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.action = " << cmd.action << ']');
// FIXME this use of forceLTR is dubious
// introduced in http://www.lyx.org/trac/changeset/21285
if (getLayout().isForceLtr()) {
// 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;
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_LAYOUT:
status.setEnabled(!forcePlainLayout());
return true;
case LFUN_LAYOUT_PARAGRAPH:
case LFUN_PARAGRAPH_PARAMS:
case LFUN_PARAGRAPH_PARAMS_APPLY:
case LFUN_PARAGRAPH_SPACING:
case LFUN_PARAGRAPH_UPDATE:
status.setEnabled(allowParagraphCustomization());
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);
if (getLayout().isForceLtr())
font.setLanguage(latex_language);
if (getLayout().isPassThru()) {
ParagraphList::iterator par = paragraphs().begin();
ParagraphList::iterator const end = paragraphs().end();
while (par != end) {
par->resetFonts(font);
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(buffer().params());
}
void InsetText::rejectChanges()
{
text_.rejectChanges(buffer().params());
}
int InsetText::latex(odocstream & os, OutputParams const & runparams) const
{
TexRow texrow;
latexParagraphs(buffer(), text_, os, texrow, runparams);
return texrow.rows();
}
int InsetText::plaintext(odocstream & os, OutputParams const & runparams) 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);
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();
}
return len;
}
int InsetText::docbook(odocstream & os, OutputParams const & runparams) const
{
docbookParagraphs(paragraphs(), buffer(), os, runparams);
return 0;
}
docstring InsetText::xhtml(odocstream & os, OutputParams const & runparams) const
{
xhtmlParagraphs(paragraphs(), buffer(), os, runparams);
return docstring();
}
void InsetText::validate(LaTeXFeatures & features) const
{
for_each(paragraphs().begin(), paragraphs().end(),
bind(&Paragraph::validate, _1, ref(features)));
}
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);
}
bool InsetText::showInsetDialog(BufferView *) const
{
return false;
}
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::setAutoBreakRows(bool flag)
{
if (flag == text_.autoBreakRows_)
return;
text_.autoBreakRows_ = flag;
if (flag)
return;
// remove previously existing newlines
ParagraphList::iterator it = paragraphs().begin();
ParagraphList::iterator end = paragraphs().end();
for (; it != end; ++it)
for (int i = 0; i < it->size(); ++i)
if (it->isNewline(i))
// do not track the change, because the user
// is not allowed to revert/reject it
it->eraseChar(i, false);
}
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(PreviewLoader & loader) const
{
ParagraphList::const_iterator pit = paragraphs().begin();
ParagraphList::const_iterator pend = paragraphs().end();
for (; pit != pend; ++pit) {
InsetList::const_iterator it = pit->insetList().begin();
InsetList::const_iterator end = pit->insetList().end();
for (; it != end; ++it)
it->inset->addPreview(loader);
}
}
ParagraphList const & InsetText::paragraphs() const
{
return text_.paragraphs();
}
ParagraphList & InsetText::paragraphs()
{
return text_.paragraphs();
}
void InsetText::updateLabels(ParIterator const & it)
{
ParIterator it2 = it;
it2.forwardPos();
LASSERT(&it2.inset() == this && it2.pit() == 0, return);
if (producesOutput())
buffer().updateLabels(it2);
else {
DocumentClass const & tclass = buffer().masterBuffer()->params().documentClass();
Counters const savecnt = tclass.counters();
buffer().updateLabels(it2);
tclass.counters() = savecnt;
}
}
void InsetText::addToToc(DocIterator const & cdit)
{
DocIterator dit = cdit;
dit.push_back(CursorSlice(*this));
Toc & toc = buffer().tocBackend().toc("tableofcontents");
BufferParams const & bufparams = buffer_->params();
const int min_toclevel = bufparams.documentClass().min_toclevel();
// For each paragraph, traverse its insets and let them add
// their toc items
ParagraphList & pars = paragraphs();
pit_type pend = paragraphs().size();
for (pit_type pit = 0; pit != pend; ++pit) {
Paragraph const & par = pars[pit];
dit.pit() = pit;
// the string that goes to the toc (could be the optarg)
docstring tocstring;
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);
switch (inset.lyxCode()) {
case OPTARG_CODE: {
if (!tocstring.empty())
break;
dit.pos() = 0;
Paragraph const & insetpar =
*static_cast<InsetOptArg&>(inset).paragraphs().begin();
if (!par.labelString().empty())
tocstring = par.labelString() + ' ';
tocstring += insetpar.asString(AS_STR_INSETS);
break;
}
default:
break;
}
}
// now the toc entry for the paragraph
int const toclevel = par.layout().toclevel;
if (toclevel != Layout::NOT_IN_TOC && toclevel >= min_toclevel) {
dit.pos() = 0;
// insert this into the table of contents
if (tocstring.empty())
tocstring = par.asString(AS_STR_LABEL | AS_STR_INSETS);
toc.push_back(TocItem(dit, toclevel - min_toclevel, tocstring));
}
// And now the list of changes.
par.addChangesToToc(dit, buffer());
}
}
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);
LASSERT(scriptSlice != -1, /**/);
insetCur.cutOff(scriptSlice);
LASSERT(&insetCur.inset() == this, /**/);
// 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);
}
docstring InsetText::contextMenu(BufferView const &, int, int) const
{
return from_ascii("context-edit");
}
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;
docstring def = ins->getCaptionAsHTML(ods, runparams);
if (!def.empty())
ods << def << '\n';
return ods.str();
}
} // namespace lyx
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