tree: use trunc instead of round when scrolling containers

src/ifs/wl_seat/wl_pointer.rs

@@ -34,7 +34,7 @@ pub const AXIS_DISCRETE_SINCE_VERSION: u32 = 5;
 pub const AXIS_STOP_SINCE_VERSION: u32 = 5;
 pub const WHEEL_TILT_SINCE_VERSION: u32 = 6;
 
-#[derive(Default)]
+#[derive(Default, Debug)]
 pub struct PendingScroll {
     pub discrete: [Cell<Option<i32>>; 2],
     pub axis: [Cell<Option<Fixed>>; 2],

src/ifs/wl_surface/xdg_surface/xdg_popup.rs

@@ -321,6 +321,7 @@ impl Node for XdgPopup {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("xdg-popup focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 }

src/ifs/wl_surface/xdg_surface/xdg_toplevel.rs

@@ -426,6 +426,7 @@ impl Node for XdgToplevel {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("xdg-toplevel focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 }

src/ifs/wl_surface/xwindow.rs

@@ -374,6 +374,7 @@ impl Node for Xwindow {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("wl-surface focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 }