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Do this check before we start creating things.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25525 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2008-07-09 22:59:16 +00:00
parent 2b70ed0204
commit aee1d2b0f7
1 changed files with 11 additions and 8 deletions
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19
src/Undo.cpp
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@ -227,23 +227,26 @@ void Undo::Private::doRecordUndo(UndoKind kind,
{
if (first_pit > last_pit)
swap(first_pit, last_pit);
// create the position information of the Undo entry
UndoElement undo(kind, cur, cell, first_pit, cell.lastpit() - last_pit, 0, 0,
buffer_.params(), isFullBuffer);
UndoElementStack & stack = isUndoOperation ? undostack_ : redostack_;
// Undo::ATOMIC are always recorded (no overlapping there).
// As nobody wants all removed character appear one by one when undoing,
// we want combine 'similar' non-ATOMIC undo recordings to one.
pit_type from = first_pit;
pit_type end = cell.lastpit() - last_pit;
UndoElementStack & stack = isUndoOperation ? undostack_ : redostack_;
if (!undo_finished_
&& kind != ATOMIC_UNDO
&& !stack.empty()
&& samePar(stack.top().cell, undo.cell)
&& stack.top().kind == undo.kind
&& stack.top().from == undo.from
&& stack.top().end == undo.end)
&& samePar(stack.top().cell, cell)
&& stack.top().kind == kind
&& stack.top().from == from
&& stack.top().end == end)
return;
// create the position information of the Undo entry
UndoElement undo(kind, cur, cell, from, end, 0, 0,
buffer_.params(), isFullBuffer);
// fill in the real data to be saved
if (cell.inMathed()) {
// simply use the whole cell