Daniel Watkins wrote: > Bug 2058 (http://bugzilla.lyx.org/show_bug.cgi?id=2058): LyX crashes > when attempting to undo matrix deletion > Description: > When I attempt to undo (using Ctrl-Z) the deletion of a matrix (deleted > by pressing Backspace at the start of the top-left box), LyX crashes > with the appended CLI output.
The attached patch fixes it for me. Jürgen
Index: math_gridinset.C =================================================================== RCS file: /usr/local/lyx/cvsroot/lyx-devel/src/mathed/math_gridinset.C,v retrieving revision 1.168 diff -p -u -r1.168 math_gridinset.C --- math_gridinset.C 18 Jul 2005 00:09:20 -0000 1.168 +++ math_gridinset.C 2 Oct 2005 09:38:30 -0000 @@ -1043,7 +1043,7 @@ void MathGridInset::doDispatch(LCursor & // FIXME: We use recordUndoInset when a change reflects more // than one cell, because recordUndo does not work for // multiple cells. Unfortunately this puts the cursor in front - // of the inset after undo. This is (especilally for large + // of the inset after undo. This is (especially for large // grids) annoying. recordUndoInset(cur); //autocorrect_ = false; @@ -1058,6 +1058,15 @@ void MathGridInset::doDispatch(LCursor & cur.idx() = cur.lastidx(); if (cur.pos() > cur.lastpos()) cur.pos() = cur.lastpos(); + break; + + case LFUN_BACKSPACE: + if (cur.pos() == 0) + // delete whole cell + recordUndoInset(cur, Undo::ATOMIC); + else + recordUndo(cur, Undo::ATOMIC); + cur.backspace(); break; case LFUN_CELL_SPLIT:
