shell: better tiling check for popup constraining

src/shell/workspace.rs

@@ -393,8 +393,26 @@ impl Workspace {
             .chain(self.tiling_layer.windows().map(|(_, w, _)| w))
     }
 
+    pub fn is_fullscreen(&self, mapped: &CosmicMapped) -> bool {
+        self.fullscreen
+            .values()
+            .any(|s| s == &mapped.active_window())
+    }
+
     pub fn is_floating(&self, mapped: &CosmicMapped) -> bool {
-        self.floating_layer.mapped().any(|m| m == mapped)
+        !self
+            .fullscreen
+            .values()
+            .any(|s| s == &mapped.active_window())
+            && self.floating_layer.mapped().any(|m| m == mapped)
+    }
+
+    pub fn is_tiled(&self, mapped: &CosmicMapped) -> bool {
+        !self
+            .fullscreen
+            .values()
+            .any(|s| s == &mapped.active_window())
+            && self.tiling_layer.mapped().any(|(_, m, _)| m == mapped)
     }
 
     pub fn render_output<'a, R>(

src/wayland/handlers/xdg_shell/popup.rs

@@ -38,7 +38,7 @@ impl Shell {
                 let window_geo_offset = window.geometry().loc;
                 let window_loc = element_geo.loc + offset + window_geo_offset;
                 let anchor_point = get_anchor_point(&positioner) + window_loc;
-                if elem.is_tiled().unwrap() {
+                if workspace.is_tiled(elem) {
                     if !unconstrain_xdg_popup_tile(surface, element_geo) {
                         if let Some(output) = workspace.output_under(anchor_point) {
                             unconstrain_xdg_popup(surface, window_loc, output.geometry());