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* Closes <https://github.com/emilk/egui/issues/5406> * [x] I have followed the instructions in the PR template The changes follow what is described in the issue with a couple changes: - Scroll bars are not hidden when dragging is disabled, for that `ScrollArea::scroll_bar_visibility()` has to be used, this is as not to limit the user configurability by imposing a specific function. The user might want to retain the scrollbars visibility to show the current position. - The input for mouse wheel scrolling is unchanged. When I inspected the code initially I made a mistake in recognizing the source of scrolling. Current implementation is in fact using `InputState::smooth_scroll_delta` and not `PassState::scroll_delta`, therefore it is possible to prevent scrolling by setting the `InputState::smooth_scroll_delta` to zero before painting the `ScrollArea`. A simple demo is available at https://github.com/MStarha/egui_scroll_area_test