Berthold Stoeger fbe1144eaf Dive pictures: use modelReset signal when reseting picture list
In the old code a combination of removeRows()/insertRows() was used
to signal a model reset.

Replace this by a single, modelReset signal. This saves a call to
plotPictures() and will allow us to be smarter in the future,
when removing pictures.

Reset-model and remove-items are semantically different.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-05-21 22:17:28 +03:00
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