+/**
+ * \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 "debug.h"
#include "lyxlayout.h"
-
-#include <boost/next_prior.hpp>
-#include <algorithm>
+#include "lyxrow.h"
+#include "paragraph.h"
using lyx::pos_type;
-using std::max;
-using std::min;
-
-
-bool isParEnd(LyXText const & lt, RowList::iterator rit)
-{
- RowList::iterator next_row = boost::next(rit);
-
- return next_row == lt.rows().end() ||
- next_row->par() != rit->par();
-}
-
-
-pos_type lastPos(LyXText const & lt, RowList::iterator rit)
-{
- if (rit->par()->empty())
- return 0;
-
- if (isParEnd(lt, rit)) {
- return rit->par()->size() - 1;
- } else {
- return boost::next(rit)->pos() - 1;
- }
-}
-
-
-namespace {
-
-bool nextRowIsAllInset(Row const & row, pos_type last)
-{
- Paragraph const * par = row.par();
-
- if (last + 1 >= par->size())
- return false;
-
- if (!par->isInset(last + 1))
- return false;
-
- Inset const * i = par->getInset(last + 1);
- return i->needFullRow() || i->display();
-}
-
-} // anon namespace
-
-
-pos_type lastPrintablePos(LyXText const & lt, RowList::iterator rit)
-{
- pos_type const last = lastPos(lt, rit);
-
- // if this row is an end of par, just act like lastPos()
- if (isParEnd(lt, rit))
- return last;
- bool const nextrownotinset = !nextRowIsAllInset(*rit, last);
- if (nextrownotinset && rit->par()->isSeparator(last))
- return last - 1;
-
- return last;
-}
-
-
-int numberOfSeparators(LyXText const & lt, RowList::iterator rit)
-{
- pos_type const last = lastPrintablePos(lt, rit);
- Paragraph const * par = rit->par();
-
- 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(LyXText const & lt, RowList::iterator rit)
-{
- pos_type const last = lastPos(lt, rit);
- pos_type first = rit->pos();
- Paragraph const * par = rit->par();
-
- // 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(LyXText const & lt, RowList::iterator rit)
+bool hfillExpansion(Paragraph const & par, Row const & row, pos_type pos)
{
- pos_type last = lastPos(lt, rit);
- pos_type first = rit->pos();
- Paragraph const * par = rit->par();
-
- // 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(LyXText const & lt, RowList::iterator rit, pos_type pos)
-{
- Paragraph const * par = rit->par();
-
- if (!par->isHfill(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(lt, rit)) {
- pos_type i = rit->pos();
- while (i < pos && !par->isHfill(i)) {
- ++i;
- }
- if (i == pos) {
+ 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())
+ 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 not a newline and not a hfill,
// the hfill will count, otherwise not
- pos_type i = rit->pos();
- while (i < pos && (par->isNewline(i) || par->isHfill(i)))
+ pos_type i = row.pos();
+ while (i < pos && (par.isNewline(i) || par.isHfill(i)))
++i;
return i != pos;