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outline(): avoid paragraph copying by using RandomAccessList::splice().

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30961 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2009-08-09 20:25:20 +00:00
parent 856e95cf44
commit 673ff83263
1 changed files with 5 additions and 25 deletions
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30
src/Text3.cpp
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@ -388,10 +388,6 @@ static void outline(OutlineOp mode, Cursor & cur)
break;
}
// Do we need to set insets' buffer_ members, because we copied
// some stuff? We'll assume we do and reset it otherwise.
bool set_buffers = true;
switch (mode) {
case OutlineUp: {
if (start == pars.begin())
@ -415,10 +411,8 @@ static void outline(OutlineOp mode, Cursor & cur)
pit_type const len = distance(start, finish);
pit_type const deletepit = pit + len;
buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
pars.insert(dest, start, finish);
start = boost::next(pars.begin(), deletepit);
pit = newpit;
pars.erase(start, finish);
pars.splice(dest, start, finish);
cur.pit() = newpit;
break;
}
case OutlineDown: {
@ -436,12 +430,10 @@ static void outline(OutlineOp mode, Cursor & cur)
}
// One such was found:
pit_type newpit = distance(bgn, dest);
pit_type const len = distance(start, finish);
buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
pars.insert(dest, start, finish);
start = boost::next(bgn, pit);
pit = newpit - len;
pars.erase(start, finish);
pit_type const len = distance(start, finish);
pars.splice(dest, start, finish);
cur.pit() = newpit - len;
break;
}
case OutlineIn: {
@ -461,7 +453,6 @@ static void outline(OutlineOp mode, Cursor & cur)
}
}
}
set_buffers = false;
break;
}
case OutlineOut: {
@ -481,20 +472,9 @@ static void outline(OutlineOp mode, Cursor & cur)
}
}
}
set_buffers = false;
break;
}
}
if (set_buffers)
// FIXME This only really needs doing for the newly introduced
// paragraphs. Something like:
// pit_type const numpars = distance(start, finish);
// start = boost::next(bgn, pit);
// finish = boost::next(start, numpars);
// for (; start != finish; ++start)
// start->setBuffer(buf);
// But while this seems to work, it is kind of fragile.
buf.inset().setBuffer(buf);
}