Address various warnings

src/desktop_info.rs

@@ -14,6 +14,7 @@ pub fn icon_for_app_id(app_id: String) -> Option<PathBuf> {
     )
 }
 
+#[allow(dead_code)]
 #[derive(Debug, Clone, Default)]
 struct DesktopInfo {
     id: String,

src/main.rs

@@ -40,7 +40,6 @@ use cosmic::{
     iced_sctk::commands::layer_surface::{destroy_layer_surface, get_layer_surface},
 };
 use cosmic_comp_config::CosmicCompConfig;
-use cosmic_config::ConfigSet;
 use cosmic_config::{cosmic_config_derive::CosmicConfigEntry, CosmicConfigEntry};
 use i18n_embed::DesktopLanguageRequester;
 use once_cell::sync::Lazy;
@@ -117,6 +116,7 @@ enum Msg {
     Close,
     Closed(SurfaceId),
     ActivateWorkspace(zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1),
+    #[allow(dead_code)]
     CloseWorkspace(zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1),
     ActivateToplevel(zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1),
     CloseToplevel(zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1),
@@ -132,6 +132,7 @@ enum Msg {
     DndWorkspaceDrop,
     DndWorkspaceData(String, Vec<u8>),
     SourceFinished,
+    #[allow(dead_code)]
     NewWorkspace,
     CompConfig(CosmicCompConfig),
     Config(CosmicWorkspacesConfig),
@@ -555,7 +556,7 @@ impl Application for App {
                     );
                 }
             }
-            Msg::DndWorkspaceEnter(handle, output, action, mimes, (_x, _y)) => {
+            Msg::DndWorkspaceEnter(handle, output, _action, mimes, (_x, _y)) => {
                 self.drop_target = Some((handle, output));
                 // XXX
                 // if mimes.iter().any(|x| x == WORKSPACE_MIME) && action == DndAction::Move {
@@ -581,17 +582,14 @@ impl Application for App {
                         .ok()
                         .and_then(|s| u32::from_str(s).ok());
                     if let Some((_, DragSurface::Toplevel { handle, .. }, _)) = &self.drag_surface {
-                        if let Some(toplevel) = self.toplevels.iter().find(|t| &t.handle == handle)
-                        {
-                            if let Some(drop_target) = &self.drop_target {
-                                if let Some(toplevel_manager) = self.toplevel_manager.as_ref() {
-                                    if toplevel_manager.version() >= 2 {
-                                        toplevel_manager.move_to_workspace(
-                                            handle,
-                                            &drop_target.0,
-                                            &drop_target.1,
-                                        );
-                                    }
+                        if let Some(drop_target) = &self.drop_target {
+                            if let Some(toplevel_manager) = self.toplevel_manager.as_ref() {
+                                if toplevel_manager.version() >= 2 {
+                                    toplevel_manager.move_to_workspace(
+                                        handle,
+                                        &drop_target.0,
+                                        &drop_target.1,
+                                    );
                                 }
                             }
                         }

src/view/mod.rs

@@ -102,7 +102,7 @@ pub(crate) fn workspace_item<'a>(
 fn workspace_sidebar_entry<'a>(
     workspace: &'a Workspace,
     output: &'a wl_output::WlOutput,
-    is_drop_target: bool,
+    _is_drop_target: bool,
 ) -> cosmic::Element<'a, Msg> {
     /* XXX
     let mouse_interaction = if is_drop_target {
@@ -154,6 +154,7 @@ fn workspaces_sidebar<'a>(
     };
     let sidebar_entries_container =
         widget::container(crate::widgets::workspace_bar(sidebar_entries, axis)).padding(12.0);
+    /*
     let new_workspace_button = widget::button(
         widget::container(row![
             widget::icon::from_name("list-add-symbolic").symbolic(true),
@@ -164,7 +165,6 @@ fn workspaces_sidebar<'a>(
     )
     .on_press(Msg::NewWorkspace)
     .width(iced::Length::Fill);
-    /*
     let bar: cosmic::Element<_> = if amount != WorkspaceAmount::Dynamic {
         match layout {
             WorkspaceLayout::Vertical => {

src/wayland/buffer.rs

@@ -7,9 +7,7 @@ use cctk::{
     },
 };
 use cosmic::cctk;
-use cosmic::iced::widget::image;
-use cosmic::iced_sctk::subsurface_widget::{BufferSource, Dmabuf, Plane, Shmbuf, SubsurfaceBuffer};
-use memmap2::Mmap;
+use cosmic::iced_sctk::subsurface_widget::{BufferSource, Dmabuf, Plane, Shmbuf};
 use rustix::{io::Errno, shm::ShmOFlags};
 use std::{
     os::fd::{AsFd, OwnedFd},
@@ -58,6 +56,7 @@ fn create_memfile() -> rustix::io::Result<OwnedFd> {
                     return Err(errno.into());
                 }
             },
+            #[allow(unreachable_patterns)]
             Err(Errno::EXIST | Errno::EXIST) => {
                 continue;
             }
@@ -66,11 +65,6 @@ fn create_memfile() -> rustix::io::Result<OwnedFd> {
     }
 }
 
-enum BufferBacking {
-    Shm { fd: OwnedFd },
-    Dmabuf { fd: OwnedFd, stride: u32 },
-}
-
 pub struct Buffer {
     pub backing: Arc<BufferSource>,
     pub buffer: wl_buffer::WlBuffer,
@@ -81,7 +75,7 @@ pub struct Buffer {
 impl AppData {
     fn create_shm_buffer(&self, buffer_info: &BufferInfo) -> Buffer {
         let fd = create_memfile().unwrap(); // XXX?
-        rustix::fs::ftruncate(&fd, buffer_info.stride as u64 * buffer_info.height as u64);
+        rustix::fs::ftruncate(&fd, buffer_info.stride as u64 * buffer_info.height as u64).unwrap();
 
         let pool = self.shm_state.wl_shm().create_pool(
             fd.as_fd(),

src/wayland/mod.rs

@@ -20,7 +20,7 @@ use cctk::{
     toplevel_management::ToplevelManagerState,
     wayland_client::{
         globals::registry_queue_init,
-        protocol::{wl_buffer, wl_output, wl_seat},
+        protocol::{wl_output, wl_seat},
         Connection, QueueHandle,
     },
     workspace::WorkspaceState,
@@ -99,7 +99,6 @@ pub enum Cmd {
 }
 
 pub struct AppData {
-    conn: Connection,
     qh: QueueHandle<Self>,
     dmabuf_state: DmabufState,
     registry_state: RegistryState,
@@ -244,7 +243,6 @@ fn start(conn: Connection) -> mpsc::Receiver<Event> {
 
         let registry_state = RegistryState::new(&globals);
         let mut app_data = AppData {
-            conn: conn.clone(),
             qh: qh.clone(),
             dmabuf_state,
             workspace_state: WorkspaceState::new(&registry_state, &qh), // Create before toplevel info state
@@ -286,7 +284,10 @@ fn start(conn: Connection) -> mpsc::Receiver<Event> {
                 }
             })
             .unwrap();
-        event_loop.handle().insert_source(executor, |(), _, _| {});
+        event_loop
+            .handle()
+            .insert_source(executor, |(), _, _| {})
+            .unwrap();
 
         loop {
             event_loop.dispatch(None, &mut app_data).unwrap();

src/wayland/screencopy.rs

@@ -62,7 +62,7 @@ impl ScreencopySession {
         }
     }
 
-    fn attach_buffer_and_commit(&mut self, capture: &Capture, conn: &Connection) {
+    fn attach_buffer_and_commit(&mut self, _capture: &Capture, conn: &Connection) {
         let Some(back) = self.buffers.as_ref().map(|x| &x[1]) else {
             return;
         };

src/widgets/toplevels.rs

@@ -80,7 +80,7 @@ impl<'a, Msg> Widget<Msg, cosmic::Theme, cosmic::Renderer> for Toplevels<'a, Msg
             .zip(tree.children.iter_mut())
             .map(|(child, tree)| {
                 let child_limits = layout::Limits::new(Size::ZERO, limits.max());
-                let mut layout = child.as_widget().layout(tree, renderer, &child_limits);
+                let layout = child.as_widget().layout(tree, renderer, &child_limits);
                 self.axis.main(layout.size())
             })
             .collect::<Vec<_>>();
@@ -122,7 +122,6 @@ impl<'a, Msg> Widget<Msg, cosmic::Theme, cosmic::Renderer> for Toplevels<'a, Msg
 
         let (total_width, total_height) = self.axis.pack(total_main, max_cross);
         let size = Size::new(total_width, total_height);
-        limits;
         layout::Node::with_children(size, nodes)
     }