matchEvent

pub fn matchEvent(self: *const HeaderResizeWidget, e: *Event) bool {
        var rs = self.data().rectScale();

        // Clicking near the handle counts as clicking on the handle.
        const grab_extra = self.init_opts.grab_tolerance * rs.s;
        switch (self.direction) {
            .vertical => {
                rs.r.x -= grab_extra;
                rs.r.w += grab_extra;
            },
            .horizontal => {
                rs.r.y -= grab_extra;
                rs.r.h += grab_extra;
            },
        }
        return dvui.eventMatch(e, .{ .id = self.data().id, .r = rs.r });
    }