]> git.lyx.org Git - lyx.git/blobdiff - src/ParagraphMetrics.cpp
Provide proper fallback if a bibliography processor is not found
[lyx.git] / src / ParagraphMetrics.cpp
index deae1fdd95763d60792d16f0ae0453e80a98ed6a..1d3ce0db5cfe196c718e632629dffa21f7276265 100644 (file)
@@ -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.
  */
 #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 "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/ExceptionMessage.h"
+#include "support/gettext.h"
 #include "support/lstrings.h"
 #include "support/textutils.h"
-#include "support/convert.h"
-#include "support/unicode.h"
-
-#include <boost/bind.hpp>
-#include <boost/crc.hpp>
 
 #include <algorithm>
 #include <list>
 #include <stack>
 #include <sstream>
 
+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=(
@@ -82,6 +69,7 @@ ParagraphMetrics & ParagraphMetrics::operator=(
        rows_ = pm.rows_;
        dim_ = pm.dim_;
        par_ = pm.par_;
+       position_ = pm.position_;
        return *this;
 }
 
@@ -90,30 +78,19 @@ void ParagraphMetrics::reset(Paragraph const & par)
 {
        par_ = &par;
        dim_ = Dimension();
-       rows_.clear();
+       //position_ = -1;
 }
 
 
-void ParagraphMetrics::computeRowSignature(Row & row,
-               BufferParams const & bparams)
+void ParagraphMetrics::setPosition(int position)
 {
-       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);
-               if (bparams.trackChanges) {
-                       Change change = par_->lookupChange(i);
-                       char_type const b[] = { change.type };
-                       crc.process_bytes(b, 1);
-               }                       
-       }
-       row.setCrc(crc.checksum());
+       position_ = position;
 }
 
 
 Row & ParagraphMetrics::getRow(pos_type pos, bool boundary)
 {
-       BOOST_ASSERT(!rows().empty());
+       LBUFERR(!rows().empty());
 
        // If boundary is set we should return the row on which
        // the character before is inside.
@@ -132,7 +109,7 @@ Row & ParagraphMetrics::getRow(pos_type pos, bool boundary)
 
 Row const & ParagraphMetrics::getRow(pos_type pos, bool boundary) const
 {
-       BOOST_ASSERT(!rows().empty());
+       LBUFERR(!rows().empty());
 
        // If boundary is set we should return the row on which
        // the character before is inside.
@@ -151,7 +128,7 @@ Row const & ParagraphMetrics::getRow(pos_type pos, bool boundary) const
 
 size_t ParagraphMetrics::pos2row(pos_type pos) const
 {
-       BOOST_ASSERT(!rows().empty());
+       LBUFERR(!rows().empty());
 
        RowList::const_iterator rit = rows_.end();
        RowList::const_iterator const begin = rows_.begin();
@@ -167,51 +144,58 @@ void ParagraphMetrics::dump() const
 {
        lyxerr << "Paragraph::dump: rows.size(): " << rows_.size() << endl;
        for (size_t i = 0; i != rows_.size(); ++i) {
-               lyxerr << "  row " << i << ":   ";
-               rows_[i].dump();
+               lyxerr << "  row " << i << ":   " << rows_[i];
        }
 }
 
-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;
 }
 
 
-int ParagraphMetrics::singleWidth(pos_type pos, Font const & font) const
+// FIXME: this code seems bogus. Audit and rewrite (see bug #9860).
+bool ParagraphMetrics::hfillExpansion(Row const & row, pos_type pos) 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 (!isPrintable(c))
-               return theFontMetrics(font).width(c);
-
-       Language const * language = font.language();
-       if (language->rightToLeft()) {
-               if (language->lang() == "arabic_arabtex" ||
-                       language->lang() == "arabic_arabi" ||
-                       language->lang() == "farsi") {
-                               if (Encodings::isComposeChar_arabic(c))
-                                       return 0;
-                               c = par_->transformChar(c, pos);
-               } else if (language->lang() == "hebrew" &&
-                       Encodings::isComposeChar_hebrew(c))
-                       return 0;
+       if (!par_->isHfill(pos))
+               return false;
+
+       LASSERT(pos >= row.pos() && pos < row.endpos(), return false);
+
+       // 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;
        }
-       return theFontMetrics(font).width(c);
-}
 
+       // 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_->isEnvSeparator(i) && !par_->isHfill(i))
+                       return true;
+       }
+       return false;
+}
 
 } // namespace lyx