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https://git.lyx.org/repos/lyx.git
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f31ea3e157
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15804 a592a061-630c-0410-9148-cb99ea01b6c8
327 lines
7.7 KiB
C
327 lines
7.7 KiB
C
/**
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* \file bufferview_funcs.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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* \author John Levon
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* \author Angus Leeming
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* \author Juergen Vigna
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "bufferview_funcs.h"
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#include "author.h"
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#include "buffer.h"
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#include "bufferparams.h"
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#include "BufferView.h"
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#include "cursor.h"
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#include "coordcache.h"
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#include "gettext.h"
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#include "language.h"
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#include "LColor.h"
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#include "lyxlex.h"
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#include "lyxrow.h"
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#include "paragraph.h"
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#include "ParagraphParameters.h"
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#include "pariterator.h"
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#include "frontends/Alert.h"
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#include "insets/insetcommand.h"
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#include "insets/insettext.h"
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#include "support/convert.h"
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#include <sstream>
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namespace lyx {
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using support::bformat;
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using std::istringstream;
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using std::ostringstream;
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using std::string;
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using std::vector;
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using std::find;
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namespace bv_funcs {
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// Set data using font and toggle
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// If successful, returns true
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bool font2string(LyXFont const & font, bool const toggle, string & data)
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{
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string lang = "ignore";
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if (font.language())
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lang = font.language()->lang();
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ostringstream os;
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os << "family " << font.family() << '\n'
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<< "series " << font.series() << '\n'
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<< "shape " << font.shape() << '\n'
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<< "size " << font.size() << '\n'
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<< "emph " << font.emph() << '\n'
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<< "underbar " << font.underbar() << '\n'
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<< "noun " << font.noun() << '\n'
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<< "number " << font.number() << '\n'
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<< "color " << font.color() << '\n'
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<< "language " << lang << '\n'
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<< "toggleall " << convert<string>(toggle);
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data = os.str();
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return true;
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}
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// Set font and toggle using data
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// If successful, returns true
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bool string2font(string const & data, LyXFont & font, bool & toggle)
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{
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istringstream is(data);
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LyXLex lex(0,0);
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lex.setStream(is);
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int nset = 0;
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while (lex.isOK()) {
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string token;
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if (lex.next())
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token = lex.getString();
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if (token.empty() || !lex.next())
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break;
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if (token == "family") {
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int const next = lex.getInteger();
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font.setFamily(LyXFont::FONT_FAMILY(next));
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} else if (token == "series") {
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int const next = lex.getInteger();
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font.setSeries(LyXFont::FONT_SERIES(next));
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} else if (token == "shape") {
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int const next = lex.getInteger();
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font.setShape(LyXFont::FONT_SHAPE(next));
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} else if (token == "size") {
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int const next = lex.getInteger();
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font.setSize(LyXFont::FONT_SIZE(next));
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} else if (token == "emph" || token == "underbar" ||
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token == "noun" || token == "number") {
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int const next = lex.getInteger();
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LyXFont::FONT_MISC_STATE const misc =
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LyXFont::FONT_MISC_STATE(next);
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if (token == "emph")
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font.setEmph(misc);
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else if (token == "underbar")
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font.setUnderbar(misc);
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else if (token == "noun")
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font.setNoun(misc);
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else if (token == "number")
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font.setNumber(misc);
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} else if (token == "color") {
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int const next = lex.getInteger();
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font.setColor(LColor::color(next));
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} else if (token == "language") {
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string const next = lex.getString();
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if (next == "ignore")
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font.setLanguage(ignore_language);
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else
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font.setLanguage(languages.getLanguage(next));
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} else if (token == "toggleall") {
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toggle = lex.getBool();
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} else {
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// Unrecognised token
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break;
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}
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++nset;
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}
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return (nset > 0);
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}
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// the next two should probably go elsewhere
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// this give the position relative to (0, baseline) of outermost
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// paragraph
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Point coordOffset(BufferView const & bv, DocIterator const & dit,
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bool boundary)
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{
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int x = 0;
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int y = 0;
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// Contribution of nested insets
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for (size_t i = 1; i != dit.depth(); ++i) {
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CursorSlice const & sl = dit[i];
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int xx = 0;
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int yy = 0;
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sl.inset().cursorPos(bv, sl, boundary && ((i+1) == dit.depth()), xx, yy);
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x += xx;
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y += yy;
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//lyxerr << "LCursor::getPos, i: "
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// << i << " x: " << xx << " y: " << y << endl;
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}
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// Add contribution of initial rows of outermost paragraph
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CursorSlice const & sl = dit[0];
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Paragraph const & par = sl.text()->getPar(sl.pit());
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y -= par.rows()[0].ascent();
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#if 1
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size_t rend;
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if (sl.pos() > 0 && dit.depth() == 1) {
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int pos = sl.pos();
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if (pos && boundary)
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--pos;
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// lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << std::endl;
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rend = par.pos2row(pos);
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} else
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rend = par.pos2row(sl.pos());
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#else
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size_t rend = par.pos2row(sl.pos());
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#endif
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for (size_t rit = 0; rit != rend; ++rit)
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y += par.rows()[rit].height();
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y += par.rows()[rend].ascent();
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x += dit.bottom().text()->cursorX(*bv.buffer(), dit.bottom(), boundary && dit.depth() == 1);
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// FIXME: The following correction should not be there at all.
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// The cursor looks much better with the +1, though.
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++x;
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return Point(x, y);
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}
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Point getPos(BufferView const & bv, DocIterator const & dit, bool boundary)
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{
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CursorSlice const & bot = dit.bottom();
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CoordCache::ParPosCache::const_iterator cache_it =
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bv.coordCache().getParPos().find(bot.text());
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if (cache_it == bv.coordCache().getParPos().end())
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return Point(-1, -1);
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CoordCache::InnerParPosCache const & cache = cache_it->second;
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CoordCache::InnerParPosCache::const_iterator it = cache.find(bot.pit());
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if (it == cache.end()) {
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//lyxerr << "cursor out of view" << std::endl;
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return Point(-1, -1);
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}
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Point p = coordOffset(bv, dit, boundary); // offset from outer paragraph
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p.y_ += it->second.y_;
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return p;
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}
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// this could be used elsewhere as well?
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CurStatus status(BufferView const * bv, DocIterator const & dit)
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{
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CoordCache::InnerParPosCache const & cache =
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bv->coordCache().getParPos().find(dit.bottom().text())->second;
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if (cache.find(dit.bottom().pit()) != cache.end())
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return CUR_INSIDE;
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else if (dit.bottom().pit() < bv->anchor_ref())
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return CUR_ABOVE;
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else
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return CUR_BELOW;
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}
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namespace {
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bool findNextInset(DocIterator & dit,
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vector<InsetBase_code> const & codes,
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string const & contents)
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{
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DocIterator tmpdit = dit;
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while (tmpdit) {
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InsetBase const * inset = tmpdit.nextInset();
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if (inset
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&& find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
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&& (contents.empty() ||
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static_cast<InsetCommand const *>(inset)->getContents() == contents)) {
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dit = tmpdit;
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return true;
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}
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tmpdit.forwardInset();
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}
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return false;
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}
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} // namespace anon
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bool findInset(DocIterator & dit, vector<InsetBase_code> const & codes,
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bool same_content)
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{
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string contents;
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DocIterator tmpdit = dit;
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tmpdit.forwardInset();
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if (!tmpdit)
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return false;
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if (same_content) {
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InsetBase const * inset = tmpdit.nextInset();
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if (inset
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&& find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
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contents = static_cast<InsetCommand const *>(inset)->getContents();
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}
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}
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if (!findNextInset(tmpdit, codes, contents)) {
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if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
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tmpdit = doc_iterator_begin(tmpdit.bottom().inset());
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if (!findNextInset(tmpdit, codes, contents)) {
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return false;
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}
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} else
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return false;
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}
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dit = tmpdit;
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return true;
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}
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void findInset(DocIterator & dit, InsetBase_code code, bool same_content)
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{
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findInset(dit, vector<InsetBase_code>(1, code), same_content);
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}
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void gotoInset(BufferView * bv, vector<InsetBase_code> const & codes,
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bool same_content)
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{
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LCursor tmpcur = bv->cursor();
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if (!findInset(tmpcur, codes, same_content)) {
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bv->cursor().message(_("No more insets"));
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return;
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}
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tmpcur.clearSelection();
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bv->setCursor(tmpcur);
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}
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void gotoInset(BufferView * bv, InsetBase_code code, bool same_content)
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{
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gotoInset(bv, vector<InsetBase_code>(1, code), same_content);
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}
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} // namespace bv_funcs
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} // namespace lyx
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