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Respect group integrity when removing stuff from the Undo stack.

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Fixes: #9079
This commit is contained in:
Jean-Marc Lasgouttes 2014-04-07 16:46:47 +02:00
parent b064f09b5a
commit 6bce9abfee
2 changed files with 8 additions and 2 deletions
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8
src/Undo.cpp
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@ -160,13 +160,17 @@ public:
/// Push an item on to the stack, deleting the bottom group on /// Push an item on to the stack, deleting the bottom group on
/// overflow. /// overflow.
void push(UndoElement const & v) { void push(UndoElement const & v) {
c_.push_front(v); // Remove some entries if the limit has been reached.
if (c_.size() > limit_) { // However, if the only group on the stack is the one
// we are currently populating, do nothing.
if (c_.size() >= limit_
&& c_.front().group_id != v.group_id) {
// remove a whole group at once. // remove a whole group at once.
const size_t gid = c_.back().group_id; const size_t gid = c_.back().group_id;
while (!c_.empty() && c_.back().group_id == gid) while (!c_.empty() && c_.back().group_id == gid)
c_.pop_back(); c_.pop_back();
} }
c_.push_front(v);
} }
/// Mark all the elements of the stack as dirty /// Mark all the elements of the stack as dirty

2
status.21x
View File

@ -80,6 +80,8 @@ What's new
- Fix select-by-doubleclick in mathed (bug 8829). - Fix select-by-doubleclick in mathed (bug 8829).
- Fix undo with many individual changes (e.g. with replace all)
(bug #7079).
* INTERNALS * INTERNALS