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Avoid crash with cursor down in math
This can happen when the inset that contains the cursor is outside of the screen. THis is only a workaround. The real solution would be a processUpdateFlags(FitCursor) call, but the code is not ready for that yet. Fixes bug #11296.
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@ -22,6 +22,7 @@
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "CoordCache.h"
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#include "Cursor.h"
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#include "CutAndPaste.h"
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#include "FuncRequest.h"
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@ -969,7 +970,14 @@ bool InsetMathGrid::idxUpDown(Cursor & cur, bool up) const
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LASSERT(cur.idx() > 0, return false);
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--cur.idx();
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}
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cur.pos() = cur.cell().x2pos(&cur.bv(), cur.x_target() - cur.cell().xo(cur.bv()));
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// FIXME: this is only a workaround to avoid a crash if the inset
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// in not in coord cache. The best would be to force a FitCursor
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// operation.
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CoordCache::Arrays const & arraysCache = cur.bv().coordCache().arrays();
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if (arraysCache.has(&cur.cell()))
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cur.pos() = cur.cell().x2pos(&cur.bv(), cur.x_target() - cur.cell().xo(cur.bv()));
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else
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cur.pos() = 0;
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return true;
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}
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