- when an object is deleted, if it's the renderer's object-under-cursor the field needs to be cleared or ldforge crashes

- grid-snap the drawn circle radius, not the point used for the distance calculation

- added a macro for adding operator++ and operator-- to enums, less cast hell this way

- significantly sped up selecting all objects, it is now an actually fast operation

- made the mouse-hover object highlight togglable from configuration

- added a selection hover effect to the renderer. selecting objects just became a lot more convenient...

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mercurial