Christoph Lendenfeld c9b51591da Refactor: Allow to explicitly set the range on the slider UI element
The current implementation goes like this
* default to a 0-1 range
* you can set `is_bidirectional` to get a -1/1 range
* if the slider is bidirectional the overshoot goes both ways, otherwise only on the positive side

The issue is that it is not possible to have a 0-1 range but overshoot both ways.
This is useful for example on the "Blend to Default" operator, where 0 means current position and 1 default.
But overshoot also makes sense for this operator since the other way just scales away from default.

So this patch:
* removes `is_bidirectional`
* adds `float range[2]` to `tSlider` and a setter for it
* rewrite some logic to handle arbitrary ranges
* split the `allow_overshoot` flag into one flag for either side

Pull Request: https://projects.blender.org/blender/blender/pulls/107406
2023-05-05 17:22:39 +02:00
2023-05-05 23:44:56 +12:00

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