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undoapi: clear the redo stack when leaving an Undo context resp. list action, not when entering it. This is a pre-requisite for Writer's upcoming migratin to SfxUndoManager

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Frank Schoenheit [fs] 2010-12-01 15:30:01 +01:00
parent 8f949765d1
commit fd8593ad2d
1 changed files with 5 additions and 6 deletions
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11
offapi/com/sun/star/document/XUndoManager.idl
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@ -102,8 +102,6 @@ interface XUndoManager
<p>Undo contexts can be nested, i.e. it is legitimate to call <code>enterUndoContext</code> and
<member>enterHiddenUndoContext</member> multiple times without calling <member>leaveUndoContext</member> inbetween.</p>
<p>The redo stack is cleared when a new Undo context is entered.</p>
@see leaveUndoContext
*/
void enterUndoContext(
@ -132,8 +130,6 @@ interface XUndoManager
<p>Undo contexts can be nested, i.e. it is legitimate to call <member>enterUndoContext</member> and
<code>enterHiddenUndoContext</code> multiple times without calling <member>leaveUndoContext</member> inbetween.</p>
<p>The redo stack is cleared when a new hidden Undo context is entered.</p>
@throws EmptyUndoStackException
if the undo stack is currently empty, in which case it is impossible to push a hidden undo action onto
it.
@ -149,8 +145,11 @@ interface XUndoManager
<p>If no undo action has been added since the context has been opened, the context is not only left,
but silently removed, and does not contribute to the undo stack at all. In this case, possible
listeners will be notified via <member>XUndoManagerListener::cancelledContext</member>,
instead of <member>XUndoManagerListener::leftContext</member>.</p>
listeners will be notified via <member>XUndoManagerListener::cancelledContext</member>.</p>
<p>Otherwise, the undo context will be closed, and added to the Undo stack; the redo stack will be cleared,
and listeners will be notified via <member>XUndoManagerListener::leftContext</member> resp.
<member>XUndoManagerListener::leftHiddenContext</member></p>
@throws ::com::sun::star::util::InvalidStateException
if no undo context is currently open.