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Handle properly undo groups in embedded work areas
When a buffer is in an embedded work area (adv. find&replace), it is
not found by BufferList:::exists(), and therefore the undo group
created in GuiApplication::dispatch and in the handling of
LFUN_COMMAND_SEQUENCE will not be closed. Crashes can ensue, as
described in Ubuntu bug:
https://bugs.launchpad.net/bugs/1737429
The solution is to introduce BufferList::isInternal and act on it.
Fixes bug #10847.
(cherry picked from commit 8b107f0490
)
This commit is contained in:
parent
cdf84eabc4
commit
02b248d270
@ -271,7 +271,7 @@ bool BufferList::exists(FileName const & fname) const
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}
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bool BufferList::isLoaded(Buffer const * b) const
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bool BufferList::isLoaded(Buffer const * b) const
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{
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if (!b)
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return false;
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@ -281,6 +281,16 @@ bool BufferList::exists(FileName const & fname) const
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}
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bool BufferList::isInternal(Buffer const * b) const
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{
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if (!b)
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return false;
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BufferStorage::const_iterator cit =
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find(binternal.begin(), binternal.end(), b);
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return cit != binternal.end();
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}
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bool BufferList::isOthersChild(Buffer * parent, Buffer * child)
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{
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LASSERT(parent, return false);
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@ -84,6 +84,9 @@ public:
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/// returns true if the buffer is loaded
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bool isLoaded(Buffer const * b) const;
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/// returns true if the buffer is known as internal buffer
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bool isInternal(Buffer const * b) const;
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/// \return index of named buffer in buffer list
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int bufferNum(support::FileName const & name) const;
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@ -562,7 +562,8 @@ void Undo::beginUndoGroup()
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if (d->group_level_ == 0) {
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// create a new group
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++d->group_id_;
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LYXERR(Debug::UNDO, "+++++++Creating new group " << d->group_id_);
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LYXERR(Debug::UNDO, "+++++++ Creating new group " << d->group_id_
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<< " for buffer " << &d->buffer_);
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}
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++d->group_level_;
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}
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@ -586,7 +587,8 @@ void Undo::endUndoGroup()
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if (d->group_level_ == 0) {
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// real end of the group
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d->group_cur_before_ = CursorData();
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LYXERR(Debug::UNDO, "-------End of group " << d->group_id_);
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LYXERR(Debug::UNDO, "------- End of group " << d->group_id_
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<< " of buffer " << &d->buffer_);
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}
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}
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@ -1388,7 +1388,7 @@ DispatchResult const & GuiApplication::dispatch(FuncRequest const & cmd)
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updateCurrentView(cmd, dr);
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// the buffer may have been closed by one action
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if (theBufferList().isLoaded(buffer))
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if (theBufferList().isLoaded(buffer) || theBufferList().isInternal(buffer))
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buffer->undo().endUndoGroup();
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d->dispatch_result_ = dr;
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@ -1863,7 +1863,7 @@ void GuiApplication::dispatch(FuncRequest const & cmd, DispatchResult & dr)
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dispatch(func);
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}
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// the buffer may have been closed by one action
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if (theBufferList().isLoaded(buffer))
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if (theBufferList().isLoaded(buffer) || theBufferList().isInternal(buffer))
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buffer->undo().endUndoGroup();
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break;
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}
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@ -100,6 +100,9 @@ What's new
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- Fix crash with undo and child documents (bug 10643).
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- Fix completely broken undo in Advanced Find & Replace edit areas
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(bug 10847).
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- Fix crash when changing preview preferences while previewable
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external inset is open (bug 10785).
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