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Patch from Martin V.: Fix Undo/Redo bugs with outline.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15948 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2006-11-16 12:20:50 +00:00
parent bb8c9253e4
commit 454bf36bc3
1 changed files with 54 additions and 38 deletions
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92
src/toc.C
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@ -31,13 +31,14 @@ namespace toc {
void outline(OutlineOp mode, LCursor & cur)
{
recordUndo(cur);
Buffer * buf = & cur.buffer();
pit_type & pit = cur.pit();
ParagraphList & pars = buf->text().paragraphs();
ParagraphList::iterator bgn = pars.begin();
ParagraphList::iterator s = boost::next(bgn, pit);
ParagraphList::iterator p = s;
// The first paragraph of the area to be copied:
ParagraphList::iterator start = boost::next(bgn, pit);
// The final paragraph of area to be copied:
ParagraphList::iterator finish = start;
ParagraphList::iterator end = pars.end();
LyXTextClass::const_iterator lit =
@ -45,86 +46,101 @@ void outline(OutlineOp mode, LCursor & cur)
LyXTextClass::const_iterator const lend =
buf->params().getLyXTextClass().end();
int const thistoclevel = s->layout()->toclevel;
int const thistoclevel = start->layout()->toclevel;
int toclevel;
switch (mode) {
case Up: {
if (p != end)
++p;
for (; p != end; ++p) {
toclevel = p->layout()->toclevel;
// Move out (down) from this section header
if (finish != end)
++finish;
// Seek the one (on same level) below
for (; finish != end; ++finish) {
toclevel = finish->layout()->toclevel;
if (toclevel != LyXLayout::NOT_IN_TOC
&& toclevel <= thistoclevel) {
break;
}
}
ParagraphList::iterator q = s;
if (q != bgn)
--q;
ParagraphList::iterator dest = start;
// Move out (up) from this header
if (dest != bgn)
--dest;
else
break;
for (; q != bgn; --q) {
toclevel = q->layout()->toclevel;
// Search previous same-level header above
for (; dest != bgn; --dest) {
toclevel = dest->layout()->toclevel;
if (toclevel != LyXLayout::NOT_IN_TOC
&& toclevel <= thistoclevel) {
break;
}
}
pit_type const newpit = std::distance(pars.begin(), q);
pit_type const len = std::distance(s, p);
// Not found; do nothing
if (dest == bgn)
break;
pit_type const newpit = std::distance(bgn, dest);
pit_type const len = std::distance(start, finish);
pit += len;
pars.insert(q, s, p);
s = boost::next(pars.begin(), pit);
ParagraphList::iterator t = boost::next(s, len);
pit = std::min(pit, cur.lastpit());
recordUndo(cur, Undo::ATOMIC, newpit, pit);
pars.insert(dest, start, finish);
start = boost::next(bgn, pit);
pit = newpit;
pars.erase(s, t);
pars.erase(start, finish);
break;
}
case Down: {
if (p != end)
++p;
for (; p != end; ++p) {
toclevel = p->layout()->toclevel;
// Go down out of current header:
if (finish != end)
++finish;
// Find next same-level header:
for (; finish != end; ++finish) {
toclevel = finish->layout()->toclevel;
if (toclevel != LyXLayout::NOT_IN_TOC
&& toclevel <= thistoclevel) {
break;
}
}
ParagraphList::iterator q = p;
if (q != end)
++q;
ParagraphList::iterator dest = finish;
// Go one down from *this* header:
if (dest != end)
++dest;
else
break;
for (; q != end; ++q) {
toclevel = q->layout()->toclevel;
// Go further down to find header to insert in front of:
for (; dest != end; ++dest) {
toclevel = dest->layout()->toclevel;
if (toclevel != LyXLayout::NOT_IN_TOC
&& toclevel <= thistoclevel) {
break;
}
}
pit_type const newpit = std::distance(pars.begin(), q);
pit_type const len = std::distance(s, p);
pars.insert(q, s, p);
s = boost::next(pars.begin(), pit);
ParagraphList::iterator t = boost::next(s, len);
// One such was found:
pit_type newpit = std::distance(bgn, dest);
pit_type const len = std::distance(start, finish);
recordUndo(cur, Undo::ATOMIC, pit, newpit -1);
pars.insert(dest, start, finish);
start = boost::next(bgn, pit);
pit = newpit - len;
pars.erase(s, t);
pars.erase(start, finish);
break;
}
case In:
recordUndo(cur);
for (; lit != lend; ++lit) {
if ((*lit)->toclevel == thistoclevel + 1 &&
s->layout()->labeltype == (*lit)->labeltype) {
s->layout((*lit));
start->layout()->labeltype == (*lit)->labeltype) {
start->layout((*lit));
break;
}
}
break;
case Out:
recordUndo(cur);
for (; lit != lend; ++lit) {
if ((*lit)->toclevel == thistoclevel - 1 &&
s->layout()->labeltype == (*lit)->labeltype) {
s->layout((*lit));
start->layout()->labeltype == (*lit)->labeltype) {
start->layout((*lit));
break;
}
}