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A small optimization: Don't do a copy here.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25578 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2008-07-13 19:00:55 +00:00
parent 65569d5b8e
commit 9c6546fbd2
1 changed files with 6 additions and 3 deletions
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9
src/Undo.cpp
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@ -304,8 +304,9 @@ bool Undo::Private::textUndoOrRedo(DocIterator & cur, bool isUndoOperation)
UndoElementStack & otherstack = isUndoOperation ? redostack_ : undostack_;
// Adjust undo stack and get hold of current undo data.
UndoElement undo = stack.top();
stack.pop();
UndoElement & undo = stack.top();
// We'll pop the stack only when we're done with this element. So do NOT
// try to return early.
// We will store in otherstack the part of the document under 'undo'
DocIterator cell_dit = undo.cell.asDocIterator(&buffer_.inset());
@ -368,7 +369,9 @@ bool Undo::Private::textUndoOrRedo(DocIterator & cur, bool isUndoOperation)
LASSERT(undo.array == 0, /**/);
cur = undo.cursor.asDocIterator(&buffer_.inset());
// Now that we're done with undo, we pop it off the stack.
stack.pop();
if (labelsUpdateNeeded)
updateLabels(buffer_);
undo_finished_ = true;