fix popup

src/handlers/xdg_shell.rs

@@ -1,6 +1,8 @@
 use smithay::{
     desktop::{
-        find_popup_root_surface, get_popup_toplevel_coords, PopupKind, PopupManager, Space, Window,
+        find_popup_root_surface, get_popup_toplevel_coords, layer_map_for_output,
+        PopupKeyboardGrab, PopupKind, PopupManager, PopupPointerGrab, PopupUngrabStrategy, Space,
+        Window, WindowSurfaceType,
     },
     input::{
         pointer::{Focus, GrabStartData as PointerGrabStartData},
@@ -42,7 +44,12 @@ impl XdgShellHandler for State {
 
     fn new_popup(&mut self, surface: PopupSurface, _positioner: PositionerState) {
         self.unconstrain_popup(&surface);
-        let _ = self.popups.track_popup(PopupKind::Xdg(surface));
+        if let Err(err) = self.popups.track_popup(PopupKind::Xdg(surface.clone())) {
+            println!("Failed to track popup: {err}");
+        };
+        if let Err(err) = surface.send_pending_configure() {
+            println!("Failed to configure popup: {err}");
+        }
     }
 
     fn reposition_request(
@@ -128,8 +135,37 @@ impl XdgShellHandler for State {
         }
     }
 
-    fn grab(&mut self, _surface: PopupSurface, _seat: wl_seat::WlSeat, _serial: Serial) {
-        // TODO popup grabs
+    fn grab(&mut self, surface: PopupSurface, seat: wl_seat::WlSeat, serial: Serial) {
+        let seat = Seat::from_resource(&seat).unwrap();
+        let kind = PopupKind::Xdg(surface);
+        if let Ok(root) = find_popup_root_surface(&kind) {
+            let ret = self.popups.grab_popup(root, kind, &seat, serial);
+
+            if let Ok(mut grab) = ret {
+                if let Some(keyboard) = seat.get_keyboard() {
+                    if keyboard.is_grabbed()
+                        && !(keyboard.has_grab(serial)
+                            || keyboard.has_grab(grab.previous_serial().unwrap_or(serial)))
+                    {
+                        grab.ungrab(PopupUngrabStrategy::All);
+                        return;
+                    }
+                    keyboard.set_focus(self, grab.current_grab(), serial);
+                    keyboard.set_grab(self, PopupKeyboardGrab::new(&grab), serial);
+                }
+                if let Some(pointer) = seat.get_pointer() {
+                    if pointer.is_grabbed()
+                        && !(pointer.has_grab(serial)
+                            || pointer
+                                .has_grab(grab.previous_serial().unwrap_or_else(|| grab.serial())))
+                    {
+                        grab.ungrab(PopupUngrabStrategy::All);
+                        return;
+                    }
+                    pointer.set_grab(self, PopupPointerGrab::new(&grab), serial, Focus::Keep);
+                }
+            }
+        }
     }
 
     fn title_changed(&mut self, surface: ToplevelSurface) {

src/render.rs

@@ -259,7 +259,7 @@ impl DecoratedWindow {
 
 impl SpaceElement for DecoratedWindow {
     fn bbox(&self) -> smithay::utils::Rectangle<i32, smithay::utils::Logical> {
-        let mut bbox = self.window.bbox();
+        let mut bbox = self.window.bbox_with_popups();
 
         if self.decorated() {
             bbox.loc.x -= 5;