Indicate see[also] refs in label and outliner

[features.git] / src / Undo.cpp

diff --git a/src/Undo.cpp b/src/Undo.cpp
index a870241d13b2475df8d9b25d18d07bce8c1ec15d..4e970df5a03cd4a394a9ef00de7798e6f4f01c1b 100644 (file)
--- a/src/Undo.cpp
+++ b/src/Undo.cpp
@@ -374,6 +374,9 @@ void Undo::Private::recordUndo(UndoKind kind,
        LASSERT(first_pit <= cell.lastpit(), return);
        LASSERT(last_pit <= cell.lastpit(), return);
 
+       if (buffer_.isReadonly())
+               return;
+
        doRecordUndo(kind, cell, first_pit, last_pit, cur,
                undostack_);
 
@@ -408,6 +411,9 @@ void Undo::Private::doRecordUndoBufferParams(CursorData const & cur_before,
 
 void Undo::Private::recordUndoBufferParams(CursorData const & cur)
 {
+       if (buffer_.isReadonly())
+               return;
+
        doRecordUndoBufferParams(cur, undostack_);
 
        // next time we'll try again to combine entries if possible
@@ -517,6 +523,9 @@ void Undo::Private::doUndoRedoAction(CursorData & cur, UndoElementStack & stack,
 
 bool Undo::Private::undoRedoAction(CursorData & cur, bool isUndoOperation)
 {
+       if (buffer_.isReadonly())
+               return false;
+
        undo_finished_ = true;
 
        UndoElementStack & stack = isUndoOperation ?  undostack_ : redostack_;