fix: apply default behavior to workspaces which never had a toplevel

cosmic-applet-tiling/src/wayland.rs

@@ -9,15 +9,22 @@ use cctk::{
         reexports::{calloop, calloop_wayland_source::WaylandSource, client as wayland_client},
         registry::{ProvidesRegistryState, RegistryState},
     },
+    toplevel_info::{ToplevelInfoHandler, ToplevelInfoState},
     wayland_client::WEnum,
     workspace::{WorkspaceHandler, WorkspaceState},
 };
 use cosmic::iced::futures;
-use cosmic_protocols::workspace::v1::client::zcosmic_workspace_handle_v1::{self, TilingState};
+use cosmic_protocols::{
+    toplevel_info::v1::client::zcosmic_toplevel_handle_v1,
+    workspace::v1::client::zcosmic_workspace_handle_v1::{self, TilingState},
+};
 use futures::{channel::mpsc, executor::block_on, SinkExt};
-use std::os::{
-    fd::{FromRawFd, RawFd},
-    unix::net::UnixStream,
+use std::{
+    collections::HashSet,
+    os::{
+        fd::{FromRawFd, RawFd},
+        unix::net::UnixStream,
+    },
 };
 use tracing::error;
 use wayland_client::{
@@ -26,7 +33,13 @@ use wayland_client::{
 };
 use wayland_client::{Connection, QueueHandle};
 
-pub fn spawn_workspaces(tx: mpsc::Sender<TilingState>) -> SyncSender<TilingState> {
+#[derive(Debug, Clone)]
+pub enum AppRequest {
+    TilingState(TilingState),
+    DefaultBehavior(TilingState),
+}
+
+pub fn spawn_workspaces(tx: mpsc::Sender<TilingState>) -> SyncSender<AppRequest> {
     let (workspaces_tx, workspaces_rx) = calloop::channel::sync_channel(100);
 
     let socket = std::env::var("X_PRIVILEGED_WAYLAND_SOCKET")
@@ -64,6 +77,8 @@ pub fn spawn_workspaces(tx: mpsc::Sender<TilingState>) -> SyncSender<TilingState
                 output_state: OutputState::new(&globals, &qhandle),
                 configured_output,
                 workspace_state: WorkspaceState::new(&registry_state, &qhandle),
+                toplevel_info_state: ToplevelInfoState::new(&registry_state, &qhandle),
+                workspaces_with_previous_toplevel: HashSet::new(),
                 registry_state,
                 expected_output: None,
                 tx,
@@ -73,7 +88,7 @@ pub fn spawn_workspaces(tx: mpsc::Sender<TilingState>) -> SyncSender<TilingState
             let loop_handle = event_loop.handle();
             loop_handle
                 .insert_source(workspaces_rx, |e, _, state| match e {
-                    Event::Msg(autotile) => {
+                    Event::Msg(AppRequest::TilingState(autotile)) => {
                         if let Some(w) =
                             state
                                 .workspace_state
@@ -101,6 +116,25 @@ pub fn spawn_workspaces(tx: mpsc::Sender<TilingState>) -> SyncSender<TilingState
                                 .commit();
                         }
                     }
+                    Event::Msg(AppRequest::DefaultBehavior(tiling)) => {
+                        for w in state
+                            .workspace_state
+                            .workspace_groups()
+                            .iter()
+                            .flat_map(|g| g.workspaces.iter())
+                            .filter(|w| {
+                                !state.workspaces_with_previous_toplevel.contains(&w.handle)
+                            })
+                        {
+                            w.handle.set_tiling_state(tiling);
+                        }
+                        state
+                            .workspace_state
+                            .workspace_manager()
+                            .get()
+                            .unwrap()
+                            .commit();
+                    }
                     Event::Closed => {
                         if let Ok(workspace_manager) =
                             state.workspace_state.workspace_manager().get()
@@ -134,6 +168,9 @@ pub struct State {
     output_state: OutputState,
     registry_state: RegistryState,
     workspace_state: WorkspaceState,
+    toplevel_info_state: ToplevelInfoState,
+    workspaces_with_previous_toplevel:
+        HashSet<zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1>,
     have_workspaces: bool,
 }
 
@@ -228,6 +265,53 @@ impl WorkspaceHandler for State {
     }
 }
 
+impl ToplevelInfoHandler for State {
+    fn toplevel_info_state(&mut self) -> &mut ToplevelInfoState {
+        &mut self.toplevel_info_state
+    }
+
+    fn new_toplevel(
+        &mut self,
+        _conn: &Connection,
+        _qh: &QueueHandle<Self>,
+        toplevel: &zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1,
+    ) {
+        let Some(w) = self
+            .toplevel_info_state
+            .info(&toplevel)
+            .map(|t| t.workspace.clone())
+        else {
+            return;
+        };
+        self.workspaces_with_previous_toplevel.extend(w);
+    }
+
+    fn update_toplevel(
+        &mut self,
+        _conn: &Connection,
+        _qh: &QueueHandle<Self>,
+        toplevel: &zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1,
+    ) {
+        let Some(w) = self
+            .toplevel_info_state
+            .info(&toplevel)
+            .map(|t| t.workspace.clone())
+        else {
+            return;
+        };
+        self.workspaces_with_previous_toplevel.extend(w);
+    }
+
+    fn toplevel_closed(
+        &mut self,
+        _conn: &Connection,
+        _qh: &QueueHandle<Self>,
+        _toplevel: &zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1,
+    ) {
+    }
+}
+
+cctk::delegate_toplevel_info!(State);
 cctk::delegate_workspace!(State);
 sctk::delegate_output!(State);
 sctk::delegate_registry!(State);

cosmic-applet-tiling/src/wayland_subscription.rs

@@ -1,7 +1,7 @@
 // Copyright 2023 System76 <info@system76.com>
 // SPDX-License-Identifier: GPL-3.0-only
 
-use crate::wayland::{self};
+use crate::wayland::{self, AppRequest};
 use cctk::sctk::reexports::calloop::channel::SyncSender;
 use cosmic::iced::{
     self,
@@ -18,7 +18,7 @@ pub static WAYLAND_RX: Lazy<Mutex<Option<mpsc::Receiver<TilingState>>>> =
 #[derive(Debug, Clone)]
 pub enum WorkspacesUpdate {
     State(TilingState),
-    Started(SyncSender<TilingState>),
+    Started(SyncSender<AppRequest>),
     Errored,
 }
 
@@ -74,7 +74,7 @@ pub enum State {
 
 pub struct WorkspacesWatcher {
     rx: mpsc::Receiver<TilingState>,
-    tx: SyncSender<TilingState>,
+    tx: SyncSender<AppRequest>,
 }
 
 impl WorkspacesWatcher {

cosmic-applet-tiling/src/window.rs

@@ -1,6 +1,7 @@
 // Copyright 2023 System76 <info@system76.com>
 // SPDX-License-Identifier: GPL-3.0-only
 
+use crate::wayland::AppRequest;
 use crate::wayland_subscription::WorkspacesUpdate;
 use crate::{fl, wayland_subscription};
 use cctk::sctk::reexports::calloop::channel::SyncSender;
@@ -36,7 +37,7 @@ pub struct Window {
     new_workspace_entity: Entity,
     /// may not match the config value if behavior is per-workspace
     autotiled: bool,
-    workspace_tx: Option<SyncSender<TilingState>>,
+    workspace_tx: Option<SyncSender<AppRequest>>,
     tile_windows: id::Toggler,
     active_hint: id::Toggler,
 }
@@ -199,7 +200,7 @@ impl cosmic::Application for Window {
                         TilingState::FloatingOnly
                     };
 
-                    if let Err(err) = tx.send(state) {
+                    if let Err(err) = tx.send(AppRequest::TilingState(state)) {
                         error!("Failed to send the tiling state update. {err:?}")
                     }
                 }
@@ -241,6 +242,19 @@ impl cosmic::Application for Window {
                 self.new_workspace_behavior_model.activate(e);
                 // set the config autotile behavior
                 let helper = self.config_helper.clone();
+
+                if let Some(tx) = self.workspace_tx.as_ref() {
+                    let state = if autotile_new {
+                        TilingState::TilingEnabled
+                    } else {
+                        TilingState::FloatingOnly
+                    };
+
+                    if let Err(err) = tx.send(AppRequest::DefaultBehavior(state)) {
+                        error!("Failed to send the tiling state update. {err:?}")
+                    }
+                }
+
                 thread::spawn(move || {
                     if let Err(err) = helper.set("autotile", autotile_new) {
                         error!(?err, "Failed to set autotile {autotile_new:?}");
@@ -260,7 +274,7 @@ impl cosmic::Application for Window {
     }
 
     fn view_window(&self, _id: Id) -> Element<Self::Message> {
-        let mut new_workspace_behavior_button =
+        let new_workspace_behavior_button =
             segmented_control::horizontal(&self.new_workspace_behavior_model)
                 .on_activate(Message::NewWorkspace);
         let content_list = column![