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…point of the sample buffer the display jumps to the end of the buffer
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Thanks! I ran into this bug yesterday and it's really annoying. This change does break the behaviour of zooming around the centre when using the zoom slider (rather than scroll zoom), but I think that is a better situation than keeping the current bug so I'll merge this. The code around zooming & painting has become pretty fragile and messy, so ultimately it could do with a refactor or rewrite soon. |
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When you try to zoom in/out after the middle point of the sample buffer the display jumps to the end of the buffer. This branch fixes that.
Observation: there is some strange behavior of updateView, it is called recursively (from updateViewRange when horizontalScrollBar()->setValue() is called). Just guarding against the recursive call does not fix the original issue and causes some other issues, so I left that in place.