+/**
+ * \file lyxrow_funcs.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
#include <config.h>
#include "lyxrow_funcs.h"
-#include "lyxtext.h"
-#include "paragraph.h"
-#include "lyxlayout.h"
#include "debug.h"
-
-#include "support/LAssert.h"
-
-#include <boost/next_prior.hpp>
-#include <algorithm>
+#include "lyxlayout.h"
+#include "lyxrow.h"
+#include "paragraph.h"
using lyx::pos_type;
-using lyx::support::Assert;
-
-using std::max;
-using std::min;
-using std::endl;
-bool isParEnd(Paragraph const & par, RowList::iterator rit)
-{
-#if 0
- if ((boost::next(rit) == par.rows.end()) != (rit->end() >= par.size())) {
- lyxerr << endl;
- lyxerr << "broken row 1: end: " << rit->end() << " next: "
- << boost::next(rit)->pos() << endl;
- lyxerr << endl;
- Assert(false);
- }
-#endif
- return boost::next(rit) == par.rows.end();
-}
-
-
-pos_type lastPos(Paragraph const & par, RowList::iterator rit)
-{
- if (par.empty())
- return 0;
-
- if (isParEnd(par, rit))
- return par.size() - 1;
-
- if (1 && boost::next(rit)->pos() != rit->end()) {
- lyxerr << endl;
- lyxerr << "broken row 2: end: " << rit->end() << " next: "
- << boost::next(rit)->pos() << endl;
- lyxerr << endl;
- Assert(false);
- }
- return boost::next(rit)->pos() - 1;
-}
-
-
-namespace {
-
-bool nextRowIsAllInset(Paragraph const & par, pos_type last)
-{
- if (last + 1 >= par.size())
- return false;
-
- if (!par.isInset(last + 1))
- return false;
-
- InsetOld const * i = par.getInset(last + 1);
- return i->needFullRow() || i->display();
-}
-
-} // anon namespace
-
-
-pos_type lastPrintablePos(Paragraph const & par, RowList::iterator rit)
-{
- pos_type const last = lastPos(par, rit);
-
- // if this row is an end of par, just act like lastPos()
- if (isParEnd(par, rit))
- return last;
-
- if (!nextRowIsAllInset(par, last) && par.isSeparator(last))
- return last - 1;
-
- return last;
-}
-
-
-int numberOfSeparators(Paragraph const & par, RowList::iterator rit)
-{
- pos_type const last = lastPrintablePos(par, rit);
- int n = 0;
- pos_type p = max(rit->pos(), par.beginningOfBody());
- for ( ; p < last; ++p)
- if (par.isSeparator(p))
- ++n;
- return n;
-}
-
-
-// This is called _once_ from LyXText and should at least be moved into
-// an anonymous namespace there. (Lgb)
-int numberOfHfills(Paragraph const & par, RowList::iterator rit)
-{
- pos_type const last = lastPos(par, rit);
- pos_type first = rit->pos();
-
- // hfill *DO* count at the beginning of paragraphs!
- if (first) {
- while (first < last && par.isHfill(first))
- ++first;
- }
-
- first = max(first, par.beginningOfBody());
-
- int n = 0;
-
- // last, because the end is ignored!
- for (pos_type p = first; p < last; ++p)
- if (par.isHfill(p))
- ++n;
-
- return n;
-}
-
-
-// This is called _once_ from LyXText and should at least be moved into
-// an anonymous namespace there. (Lgb)
-int numberOfLabelHfills(Paragraph const & par, RowList::iterator rit)
-{
- pos_type last = lastPos(par, rit);
- pos_type first = rit->pos();
-
- // hfill *DO* count at the beginning of paragraphs!
- if (first) {
- while (first < last && par.isHfill(first))
- ++first;
- }
-
- last = min(last, par.beginningOfBody());
- int n = 0;
-
- // last, because the end is ignored!
- for (pos_type p = first; p < last; ++p) {
- if (par.isHfill(p))
- ++n;
- }
- return n;
-}
-
-
-bool hfillExpansion(Paragraph const & par, RowList::iterator rit, pos_type pos)
+bool hfillExpansion(Paragraph const & par, Row const & row, pos_type pos)
{
if (!par.isHfill(pos))
return false;
// at the end of a row it does not count
// unless another hfill exists on the line
- if (pos >= lastPos(par, rit))
- for (pos_type i = rit->pos(); i < pos && !par.isHfill(i); ++i)
+ if (pos >= row.endpos()) {
+ for (pos_type i = row.pos(); i < pos && !par.isHfill(i); ++i)
return false;
+ }
// at the beginning of a row it does not count, if it is not
// the first row of a paragaph
- if (rit->isParStart())
+ if (row.pos() == 0)
return true;
// in some labels it does not count
if (par.layout()->margintype != MARGIN_MANUAL
- && pos < par.beginningOfBody())
+ && pos < par.beginOfBody())
return false;
// if there is anything between the first char of the row and
// the specified position that is not a newline and not a hfill,
// the hfill will count, otherwise not
- pos_type i = rit->pos();
+ pos_type i = row.pos();
while (i < pos && (par.isNewline(i) || par.isHfill(i)))
++i;