shell: Set xdg_shell v4 bounds

src/shell/element/mod.rs

@@ -411,6 +411,13 @@ impl CosmicMapped {
         }
     }
 
+    pub fn set_bounds(&self, size: impl Into<Option<Size<i32, Logical>>>) {
+        let size = size.into();
+        for (surface, _) in self.windows() {
+            surface.set_bounds(size.clone())
+        }
+    }
+
     pub fn configure(&self) {
         for window in match &self.element {
             CosmicMappedInternal::Stack(s) => {

src/shell/element/surface.rs

@@ -120,6 +120,15 @@ impl CosmicSurface {
         }
     }
 
+    pub fn set_bounds(&self, size: impl Into<Option<Size<i32, Logical>>>) {
+        match self {
+            CosmicSurface::Wayland(window) => window.toplevel().with_pending_state(|state| {
+                state.bounds = size.into();
+            }),
+            _ => {}
+        }
+    }
+
     pub fn is_activated(&self) -> bool {
         match self {
             CosmicSurface::Wayland(window) => window

src/shell/layout/floating/mod.rs

@@ -90,6 +90,7 @@ impl FloatingLayout {
 
         let layers = layer_map_for_output(&output);
         let geometry = layers.non_exclusive_zone();
+        mapped.set_bounds(geometry.size);
         let last_geometry = mapped.last_geometry.lock().unwrap().clone();
 
         if let Some(size) = last_geometry.map(|g| g.size) {

src/shell/layout/tiling/mod.rs

@@ -322,6 +322,7 @@ impl TilingLayout {
     ) {
         let output = seat.active_output();
         window.output_enter(&output, window.bbox());
+        window.set_bounds(output.geometry().size);
         self.map_internal(window, &output, Some(focus_stack));
         self.refresh();
     }