Scrolling over grid

[BctfN0HUK7Yg]

Hi.
I'm tying to control scrollingArea and have a problem.
There is a grid with a lot of cells. It contains in ScrollArea. Scrollbars work right.
I want to scroll by holding middle mouse button and move over the grid. How to do this?

How to get response for ScrollArea to check such draging?
How to move content of ScrollArea? ( I found pub fn scroll_offset(mut self, offset: f32) -> Self { self.offset = Some(Vec2::new(0.0, ffset)); self } But it works only horisontally.

[BctfN0HUK7Yg]

Ok, I found this

           let mut scroll_area = egui::containers::ScrollArea::both();
           if ui.input().pointer.middle_down() { self.y_offset-=ui.input().pointer.delta().y}
             scroll_area = scroll_area.scroll_offset(self.y_offset); 
           scroll_area.show(ui, |ui| { ....

but how to scroll horizontally? In the demo there is vertical_scroll method, but i hasn't it

[emilk]

Perhaps you need to update egui - horizontal scrolling was added in 0.15.0: https://github.com/emilk/egui/blob/master/CHANGELOG.md#0150---2021-10-24---syntax-highlighting-and-hscroll