Method update_scroll

src/elements/scrollable.rs:237–270

(&self)

    //Refresh all relevant values

    fn update_scroll(&self) {
        let mut state = self.state.borrow_mut();
        if !state.ready {
            return;
        }

        let mut dy = self.h() - self.container.h();
        let mut dx = self.w() - self.container.w();

        state.visible_h = dx < 0.0;
        state.visible_v = dy < 0.0;

        if dx >= 0.0 {
            dx = 0.0;
        }

        if dy >= 0.0 {
            dy = 0.0;
        }

        self.container.set_x(self.x() + (dx * state.percent_h));
        self.container.set_y(self.y() + (dy * state.percent_v));

        self.scrollh
            .set_x(self.x() + (state.percent_h * (self.w() - self.scrollh.w())));
        self.scrollv
            .set_y(self.y() + (state.percent_v * (self.h() - self.scrollv.h())));

        self.onchange.emit(&());
        self.onhandlevis.emit(&ScrollHandleVisibleEvent {
            horizontal: state.visible_h,
            vertical: state.visible_v,
        });
    }

    #[inline]
    pub fn step_h(&self) -> f32 {