X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FParagraphMetrics.cpp;h=eeccf9de37fad59bca7ed82d3fb998850bb8c82a;hb=55a3dd7b346d29a52ba305a4558e9e380ef50f47;hp=9e2e7ba74de6b92b412f2afafdc649181dd85fe1;hpb=f91f682ef9e46e6f888da7bd559d61af39692805;p=lyx.git diff --git a/src/ParagraphMetrics.cpp b/src/ParagraphMetrics.cpp index 9e2e7ba74d..eeccf9de37 100644 --- a/src/ParagraphMetrics.cpp +++ b/src/ParagraphMetrics.cpp @@ -4,13 +4,13 @@ * Licence details can be found in the file COPYING. * * \author Asger Alstrup - * \author Lars Gullik Bjønnes + * \author Lars Gullik Bjønnes * \author Jean-Marc Lasgouttes * \author Angus Leeming * \author John Levon - * \author André Pönitz + * \author André Pönitz * \author Dekel Tsur - * \author Jürgen Vigna + * \author Jürgen Vigna * * Full author contact details are available in file CREDITS. */ @@ -21,35 +21,32 @@ #include "Buffer.h" #include "BufferParams.h" +#include "BufferView.h" #include "Counters.h" #include "Encoding.h" -#include "debug.h" -#include "gettext.h" #include "Language.h" #include "LaTeXFeatures.h" +#include "Layout.h" #include "Font.h" #include "LyXRC.h" #include "Row.h" #include "OutputParams.h" -#include "paragraph_funcs.h" - -#include "rowpainter.h" - #include "sgml.h" +#include "TextClass.h" #include "TexRow.h" -#include "VSpace.h" #include "frontends/FontMetrics.h" #include "insets/InsetBibitem.h" -#include "insets/InsetOptArg.h" +#include "insets/InsetArgument.h" +#include "support/lassert.h" +#include "support/debug.h" +#include "support/gettext.h" #include "support/lstrings.h" #include "support/textutils.h" -#include "support/convert.h" -#include "support/unicode.h" -#include +#include "support/bind.h" #include #include @@ -57,25 +54,15 @@ #include #include +using namespace std; +using namespace lyx::support; namespace lyx { -using lyx::support::contains; -using lyx::support::rsplit; -using support::subst; - -using std::distance; -using std::endl; -using std::list; -using std::stack; -using std::string; -using std::ostream; -using std::ostringstream; - -ParagraphMetrics::ParagraphMetrics(Paragraph const & par): par_(&par) -{ -} +ParagraphMetrics::ParagraphMetrics(Paragraph const & par) : + position_(-1), par_(&par) +{} ParagraphMetrics & ParagraphMetrics::operator=( @@ -84,39 +71,70 @@ ParagraphMetrics & ParagraphMetrics::operator=( rows_ = pm.rows_; dim_ = pm.dim_; par_ = pm.par_; + position_ = pm.position_; return *this; } -size_type ParagraphMetrics::calculateRowSignature(Row const & row) +void ParagraphMetrics::reset(Paragraph const & par) +{ + par_ = ∥ + dim_ = Dimension(); + //position_ = -1; +} + + +size_t ParagraphMetrics::computeRowSignature(Row const & row, + BufferParams const & bparams) const { boost::crc_32_type crc; for (pos_type i = row.pos(); i < row.endpos(); ++i) { char_type const b[] = { par_->getChar(i) }; - crc.process_bytes(b, 1); + crc.process_bytes(b, sizeof(char_type)); + if (bparams.trackChanges) { + Change change = par_->lookupChange(i); + char_type const b[] = { change.type }; + // 1 byte is enough to encode Change::Type + crc.process_bytes(b, 1); + } } + + Dimension const & d = row.dimension(); + char_type const b[] = { row.sel_beg, row.sel_end, + row.begin_margin_sel, row.end_margin_sel, d.wid, d.asc, d.des}; + crc.process_bytes(b, sizeof(b)); + return crc.checksum(); } -void ParagraphMetrics::updateRowChangeStatus() +void ParagraphMetrics::setPosition(int position) { - size_t const size = rows_.size(); - row_change_status_.resize(size); - row_signature_.resize(size); - - for (size_t i = 0; i != size; ++i) { - // Row signature; has row changed since last update? - size_type const row_sig = calculateRowSignature(rows_[i]); - row_change_status_[i] = row_signature_[i] != row_sig; - row_signature_[i] = row_sig; - } + position_ = position; +} + + +Dimension const & ParagraphMetrics::insetDimension(Inset const * inset) const +{ + InsetDims::const_iterator it = inset_dims_.find(inset); + if (it != inset_dims_.end()) + return it->second; + + static Dimension dummy; + return dummy; +} + + +void ParagraphMetrics::setInsetDimension(Inset const * inset, + Dimension const & dim) +{ + inset_dims_[inset] = dim; } Row & ParagraphMetrics::getRow(pos_type pos, bool boundary) { - BOOST_ASSERT(!rows().empty()); + LASSERT(!rows().empty(), /**/); // If boundary is set we should return the row on which // the character before is inside. @@ -135,7 +153,7 @@ Row & ParagraphMetrics::getRow(pos_type pos, bool boundary) Row const & ParagraphMetrics::getRow(pos_type pos, bool boundary) const { - BOOST_ASSERT(!rows().empty()); + LASSERT(!rows().empty(), /**/); // If boundary is set we should return the row on which // the character before is inside. @@ -154,7 +172,7 @@ Row const & ParagraphMetrics::getRow(pos_type pos, bool boundary) const size_t ParagraphMetrics::pos2row(pos_type pos) const { - BOOST_ASSERT(!rows().empty()); + LASSERT(!rows().empty(), /**/); RowList::const_iterator rit = rows_.end(); RowList::const_iterator const begin = rows_.begin(); @@ -175,15 +193,15 @@ void ParagraphMetrics::dump() const } } -int ParagraphMetrics::rightMargin(Buffer const & buffer) const +int ParagraphMetrics::rightMargin(BufferView const & bv) const { - BufferParams const & params = buffer.params(); - TextClass const & tclass = params.getTextClass(); + BufferParams const & params = bv.buffer().params(); + DocumentClass const & tclass = params.documentClass(); frontend::FontMetrics const & fm = theFontMetrics(params.getFont()); int const r_margin = - lyx::rightMargin() + bv.rightMargin() + fm.signedWidth(tclass.rightmargin()) - + fm.signedWidth(par_->layout()->rightmargin) + + fm.signedWidth(par_->layout().rightmargin) * 4 / (par_->getDepth() + 4); return r_margin; @@ -192,12 +210,15 @@ int ParagraphMetrics::rightMargin(Buffer const & buffer) const int ParagraphMetrics::singleWidth(pos_type pos, Font const & font) const { - char_type c = par_->getChar(pos); - // The most special cases are handled first. - if (c == Paragraph::META_INSET) - return par_->getInset(pos)->width(); + if (Inset const * inset = par_->getInset(pos)) + return insetDimension(inset).wid; + + char_type c = par_->getChar(pos); + if (c == '\t') + return 4 * theFontMetrics(font).width(' '); + if (!isPrintable(c)) return theFontMetrics(font).width(c); @@ -206,15 +227,51 @@ int ParagraphMetrics::singleWidth(pos_type pos, Font const & font) const if (language->lang() == "arabic_arabtex" || language->lang() == "arabic_arabi" || language->lang() == "farsi") { - if (Encodings::isComposeChar_arabic(c)) + if (Encodings::isArabicComposeChar(c)) return 0; c = par_->transformChar(c, pos); } else if (language->lang() == "hebrew" && - Encodings::isComposeChar_hebrew(c)) + Encodings::isHebrewComposeChar(c)) { return 0; + } } return theFontMetrics(font).width(c); } +bool ParagraphMetrics::hfillExpansion(Row const & row, pos_type pos) const +{ + if (!par_->isHfill(pos)) + return false; + + LASSERT(pos >= row.pos() && pos < row.endpos(), /**/); + + // expand at the end of a row only if there is another hfill on the same row + if (pos == row.endpos() - 1) { + for (pos_type i = row.pos(); i < pos; i++) { + if (par_->isHfill(i)) + return true; + } + return false; + } + + // expand at the beginning of a row only if it is the first row of a paragraph + if (pos == row.pos()) { + return pos == 0; + } + + // do not expand in some labels + if (par_->layout().margintype != MARGIN_MANUAL && pos < par_->beginOfBody()) + return false; + + // if there is anything between the first char of the row and + // the specified position that is neither a newline nor an hfill, + // the hfill will be expanded, otherwise it won't + for (pos_type i = row.pos(); i < pos; i++) { + if (!par_->isNewline(i) && !par_->isHfill(i)) + return true; + } + return false; +} + } // namespace lyx