tree: use trunc instead of round when scrolling containers

src/tree/container.rs

@@ -1159,7 +1159,7 @@ impl Node for ContainerNode {
             d
         } else if let Some(scroll) = event.axis[VERTICAL_SCROLL as usize].get() {
             let mut scroll = self.scroll.get() + scroll.to_f64();
-            let discrete = (scroll / PX_PER_SCROLL).round();
+            let discrete = (scroll / PX_PER_SCROLL).trunc();
             scroll -= discrete * PX_PER_SCROLL;
             self.scroll.set(scroll);
             discrete as i32
@@ -1191,6 +1191,7 @@ impl Node for ContainerNode {
     }
 
     fn node_on_pointer_unfocus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("unfocus");
         let mut seats = self.seats.borrow_mut();
         if let Some(seat_state) = seats.get_mut(&seat.id()) {
             seat_state.target = false;
@@ -1198,6 +1199,7 @@ impl Node for ContainerNode {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("container focus");
         let mut seats = self.seats.borrow_mut();
         if let Some(seat_state) = seats.get_mut(&seat.id()) {
             seat_state.target = true;

src/tree/display.rs

@@ -115,6 +115,7 @@ impl Node for DisplayNode {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("display focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 }

src/tree/float.rs

@@ -467,6 +467,7 @@ impl Node for FloatNode {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("float focus");
         let mut seats = self.seats.borrow_mut();
         if let Some(seat_state) = seats.get_mut(&seat.id()) {
             seat_state.target = true;

src/tree/output.rs

@@ -382,7 +382,7 @@ impl Node for OutputNode {
             }
         }
         let bar_height = self.state.theme.title_height.get() + 1;
-        if y > bar_height {
+        if y >= bar_height {
             y -= bar_height;
             let len = tree.len();
             if let Some(ws) = self.workspace.get() {
@@ -405,6 +405,7 @@ impl Node for OutputNode {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("output focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 

src/tree/workspace.rs

@@ -130,6 +130,7 @@ impl Node for WorkspaceNode {
     }
 
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
+        // log::info!("workspace focus");
         seat.set_known_cursor(KnownCursor::Default);
     }