- 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...

- cut unnecessary code from MainWindow::updateSelection. speeds it up a bit, especially when unselecting but it's not fast enough to my tastes yet

- overhauled configuration setup a bit: configuration entries renamed and are now in a cfg:: namespace

- changed the config dialog's grid ui from being dynamically generated into a static one in the designer interface

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mercurial