[Controls] Prevent the filter text field from being out of the window #2503
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Description
This PR fixes a UI issue that occurred for exclusive
ChoiceParam
attributes with large lists: when the node editor's height is bigger than the default one, the popup with the list of values was positioned at the top of the attribute's field, and its filtering text field was positioned outside of the application window.The filtering text field is now always located at the attribute's place, meaning it can never be out of screen. The list of values is
then either dropped downwards or opened upwards depending on its size and where there is the most free space.
If we take the "Group Camera Fallback" attribute from the
CameraInit
node, instead of being displayed as such:The filtering field text now looks like this, with the direction of the list of values depending on whether there is enough room downwards or not: