2 * \file CursorSlice.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Matthias Ettrich
11 * Full author contact details are available in file CREDITS.
16 #include "CursorSlice.h"
19 #include "Paragraph.h"
21 #include "support/debug.h"
23 #include "insets/Inset.h"
25 #include "mathed/InsetMath.h"
26 #include "mathed/MathData.h"
28 #include "support/lassert.h"
37 CursorSlice::CursorSlice()
38 : inset_(0), idx_(0), pit_(0), pos_(0)
42 CursorSlice::CursorSlice(Inset
& p
)
43 : inset_(&p
), idx_(0), pit_(0), pos_(0)
45 LASSERT(inset_
, /**/);
49 MathData
& CursorSlice::cell() const
51 return inset_
->asInsetMath()->cell(idx_
);
55 Paragraph
& CursorSlice::paragraph() const
57 return text()->getPar(pit_
);
61 pos_type
CursorSlice::lastpos() const
63 LASSERT(inset_
, /**/);
64 return inset_
->asInsetMath() ? cell().size()
65 : (text()->empty() ? 0 : paragraph().size());
69 pit_type
CursorSlice::lastpit() const
71 if (inset_
->inMathed())
73 return text()->paragraphs().size() - 1;
77 CursorSlice::row_type
CursorSlice::row() const
79 LASSERT(asInsetMath(), /**/);
80 return asInsetMath()->row(idx_
);
84 CursorSlice::col_type
CursorSlice::col() const
86 LASSERT(asInsetMath(), /**/);
87 return asInsetMath()->col(idx_
);
91 void CursorSlice::forwardPos()
93 // move on one position if possible
94 if (pos_
< lastpos()) {
95 //lyxerr << "... next pos" << endl;
100 // otherwise move on one paragraph if possible
101 if (pit_
< lastpit()) {
102 //lyxerr << "... next par" << endl;
108 // otherwise move on one cell
109 //lyxerr << "... next idx" << endl;
111 LASSERT(idx_
< nargs(), /**/);
119 void CursorSlice::forwardIdx()
121 LASSERT(idx_
< nargs(), /**/);
129 void CursorSlice::backwardPos()
149 LASSERT(false, /**/);
153 bool CursorSlice::at_end() const
155 return idx_
== lastidx() && pit_
== lastpit() && pos_
== lastpos();
159 bool CursorSlice::at_begin() const
161 return idx_
== 0 && pit_
== 0 && pos_
== 0;
165 bool operator==(CursorSlice
const & p
, CursorSlice
const & q
)
167 return p
.inset_
== q
.inset_
174 bool operator!=(CursorSlice
const & p
, CursorSlice
const & q
)
176 return p
.inset_
!= q
.inset_
183 bool operator<(CursorSlice
const & p
, CursorSlice
const & q
)
185 if (p
.inset_
!= q
.inset_
) {
186 LYXERR0("can't compare cursor and anchor in different insets\n"
187 << "p: " << p
<< '\n' << "q: " << q
);
188 LASSERT(false, /**/);
190 if (p
.idx_
!= q
.idx_
)
191 return p
.idx_
< q
.idx_
;
192 if (p
.pit_
!= q
.pit_
)
193 return p
.pit_
< q
.pit_
;
194 return p
.pos_
< q
.pos_
;
198 bool operator>(CursorSlice
const & p
, CursorSlice
const & q
)
204 bool operator<=(CursorSlice
const & p
, CursorSlice
const & q
)
210 ostream
& operator<<(ostream
& os
, CursorSlice
const & item
)
213 << "inset: " << (void *)item
.inset_
214 // << " text: " << item.text()
215 << " idx: " << item
.idx_
216 << " par: " << item
.pit_
217 << " pos: " << item
.pos_
218 // << " x: " << item.inset_->x()
219 // << " y: " << item.inset_->y()