* 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 "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 <boost/bind.hpp>
+#include "support/bind.h"
#include <boost/crc.hpp>
#include <algorithm>
#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=(
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[] = { static_cast<char_type>(change.type) };
+ // 1 byte is enough to encode Change::Type
+ crc.process_bytes(b, 1);
+ }
}
+
+ Dimension const & d = row.dimension();
+ char_type const b[] = { static_cast<char_type>(row.sel_beg),
+ static_cast<char_type>(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.
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.
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();
}
}
-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
+{
+ // The most special cases are handled first.
+ 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);
+
+ Language const * language = font.language();
+ if (language->rightToLeft()) {
+ if (language->lang() == "arabic_arabtex" ||
+ language->lang() == "arabic_arabi" ||
+ language->lang() == "farsi") {
+ if (Encodings::isArabicComposeChar(c))
+ return 0;
+ c = par_->transformChar(c, pos);
+ } else if (language->lang() == "hebrew" &&
+ 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
projects / lyx.git / blobdiff