sesl Request Draw Resize Rect
Requests drawing of a resize rectangle with an optional animation.
This function is responsible for displaying a visual cue (a rectangle) when the floating pane is being resized. It handles the animation for fading the rectangle in and out.
If rect
is null, the resize rectangle will fade out. If rect
is not null, the resize rectangle will fade in (if not already visible) and its bounds will be updated.
Parameters
rect
The Rect defining the bounds of the resize rectangle, or null to hide the rectangle.