* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
* \author Matthias Ettrich
- * \author André Pönitz
- * \author Jürgen Vigna
+ * \author André Pönitz
+ * \author Jürgen Vigna
*
* Full author contact details are available in file CREDITS.
*/
#include "CursorSlice.h"
-#include "debug.h"
#include "Text.h"
#include "Paragraph.h"
+#include "ParagraphList.h"
-#include "insets/Inset.h"
+#include "support/debug.h"
#include "mathed/InsetMath.h"
+#include "mathed/InsetMathMacro.h"
#include "mathed/MathData.h"
-#include <boost/assert.hpp>
+#include "support/lassert.h"
-using std::endl;
+#include <ostream>
+using namespace std;
namespace lyx {
CursorSlice::CursorSlice()
- : inset_(0), idx_(0), pit_(0), pos_(0)
+ : inset_(nullptr), idx_(0), pit_(0), pos_(0)
{}
CursorSlice::CursorSlice(Inset & p)
: inset_(&p), idx_(0), pit_(0), pos_(0)
{
- BOOST_ASSERT(inset_);
+ LBUFERR(inset_);
}
}
-Paragraph & CursorSlice::paragraph()
-{
- return text()->getPar(pit_);
-}
-
-
-Paragraph const & CursorSlice::paragraph() const
+Paragraph & CursorSlice::paragraph() const
{
return text()->getPar(pit_);
}
pos_type CursorSlice::lastpos() const
{
- BOOST_ASSERT(inset_);
- return inset_->asInsetMath() ? cell().size() : paragraph().size();
+ LBUFERR(inset_);
+ InsetMath const * math = inset_->asInsetMath();
+ bool paramless_macro = math && math->asMacro() && !math->asMacro()->nargs();
+ return math ? (paramless_macro ? 0 : cell().size())
+ : (text()->empty() ? 0 : paragraph().size());
}
pit_type CursorSlice::lastpit() const
{
- if (inset().inMathed())
+ if (inset_->inMathed())
return 0;
return text()->paragraphs().size() - 1;
}
-CursorSlice::row_type CursorSlice::row() const
+row_type CursorSlice::row() const
+{
+ LASSERT(inset_, return 0);
+ return inset_->row(idx_);
+}
+
+
+col_type CursorSlice::col() const
+{
+ LASSERT(inset_, return 0);
+ return inset_->col(idx_);
+}
+
+
+void CursorSlice::setPitPos(pit_type pit, pos_type pos)
+{
+ LASSERT(pit != int(text()->paragraphs().size()), return);
+ pit_ = pit;
+ pos_ = pos;
+
+ // Now some strict checking. None of these should happen, but
+ // we're scaredy-cats
+ if (pos < 0) {
+ LYXERR0("Don't like -1!");
+ LATTEST(false);
+ }
+
+ if (pos > paragraph().size()) {
+ LYXERR0("Don't like 1, pos: " << pos
+ << " size: " << paragraph().size()
+ << " par: " << pit);
+ LATTEST(false);
+ }
+}
+
+
+void CursorSlice::forwardPos()
+{
+ // move on one position if possible
+ if (pos_ < lastpos()) {
+ //lyxerr << "... next pos" << endl;
+ ++pos_;
+ return;
+ }
+
+ // otherwise move on one paragraph if possible
+ if (pit_ < lastpit()) {
+ //lyxerr << "... next par" << endl;
+ ++pit_;
+ pos_ = 0;
+ return;
+ }
+
+ // otherwise move on one cell
+ //lyxerr << "... next idx" << endl;
+
+ LASSERT(idx_ < nargs(), return);
+
+ ++idx_;
+ pit_ = 0;
+ pos_ = 0;
+}
+
+
+void CursorSlice::forwardIdx()
+{
+ LASSERT(idx_ < nargs(), return);
+
+ ++idx_;
+ pit_ = 0;
+ pos_ = 0;
+}
+
+
+void CursorSlice::backwardPos()
+{
+ if (pos_ != 0) {
+ --pos_;
+ return;
+ }
+
+ if (pit_ != 0) {
+ --pit_;
+ pos_ = lastpos();
+ return;
+ }
+
+ if (idx_ != 0) {
+ --idx_;
+ pit_ = lastpit();
+ pos_ = lastpos();
+ return;
+ }
+
+ LATTEST(false);
+}
+
+
+bool CursorSlice::at_cell_end() const
+{
+ return pit_ == lastpit() && pos_ == lastpos();
+}
+
+
+bool CursorSlice::at_cell_begin() const
+{
+ return pit_ == 0 && pos_ == 0;
+}
+
+
+bool CursorSlice::at_end() const
{
- BOOST_ASSERT(asInsetMath());
- return asInsetMath()->row(idx_);
+ return idx_ == lastidx() && at_cell_end();
}
-CursorSlice::col_type CursorSlice::col() const
+bool CursorSlice::at_begin() const
{
- BOOST_ASSERT(asInsetMath());
- return asInsetMath()->col(idx_);
+ return idx_ == 0 && at_cell_begin();
}
bool operator==(CursorSlice const & p, CursorSlice const & q)
{
- return &p.inset() == &q.inset()
- && p.idx() == q.idx()
- && p.pit() == q.pit()
- && p.pos() == q.pos();
+ return p.inset_ == q.inset_
+ && p.idx_ == q.idx_
+ && p.pit_ == q.pit_
+ && p.pos_ == q.pos_;
}
bool operator!=(CursorSlice const & p, CursorSlice const & q)
{
- return &p.inset() != &q.inset()
- || p.idx() != q.idx()
- || p.pit() != q.pit()
- || p.pos() != q.pos();
+ return p.inset_ != q.inset_
+ || p.idx_ != q.idx_
+ || p.pit_ != q.pit_
+ || p.pos_ != q.pos_;
}
bool operator<(CursorSlice const & p, CursorSlice const & q)
{
- if (&p.inset() != &q.inset()) {
- lyxerr << "can't compare cursor and anchor in different insets\n"
- << "p: " << p << '\n' << "q: " << q << endl;
- BOOST_ASSERT(false);
+ if (p.inset_ != q.inset_) {
+ LYXERR0("can't compare cursor and anchor in different insets\n"
+ << "p: " << p << '\n' << "q: " << q);
+ // It should be safe to continue, just registering the error.
+ LASSERT(false, return false);
}
- if (p.idx() != q.idx())
- return p.idx() < q.idx();
- if (p.pit() != q.pit())
- return p.pit() < q.pit();
- return p.pos() < q.pos();
+ if (p.idx_ != q.idx_)
+ return p.idx_ < q.idx_;
+ if (p.pit_ != q.pit_)
+ return p.pit_ < q.pit_;
+ return p.pos_ < q.pos_;
}
}
-std::ostream & operator<<(std::ostream & os, CursorSlice const & item)
+ostream & operator<<(ostream & os, CursorSlice const & item)
{
return os
- << "inset: " << &item.inset()
+ << "inset: " << (void *)item.inset_
// << " text: " << item.text()
- << " idx: " << item.idx()
- << " par: " << item.pit()
- << " pos: " << item.pos()
-// << " x: " << item.inset().x()
-// << " y: " << item.inset().y()
+ << " idx: " << item.idx_
+ << " par: " << item.pit_
+ << " pos: " << item.pos_
+// << " x: " << item.inset_->x()
+// << " y: " << item.inset_->y()
;
}
projects / lyx.git / blobdiff