JUCE_ENABLE_REPAINT_DEBUGGING and more

[stephenk]

Mac OSX: painting two small child components far apart invalidates entire area between

I have two “flashing LEDs” - one in the upper left is a Tempo LED that blinks on the beat, while tiny ones in the lower right are Pattern LEDs that track the steps of a pattern through a step-editing grid. As the Pattern LEDs are being driven by some subdivision of the tempo, they blink/change more often than the Tempo Led, like 4:1 as an example. What happens is that when the the Tempo LED and a Pattern LED happen to execute a paint at the same time, even though one is in the upper left and o…