Apply clippy to otg-gtk

otg/gtk/src/app_window.rs

@@ -16,20 +16,22 @@ You should have received a copy of the GNU General Public License along with On
 
 use crate::CoreApi;
 use adw::prelude::*;
-use async_std::task::{block_on, spawn};
+
 use otg_core::{
     settings::{SettingsRequest, SettingsResponse},
-    Config, CoreRequest, CoreResponse,
+    CoreRequest, CoreResponse,
 };
 use sgf::GameRecord;
 use std::sync::{Arc, RwLock};
 
 use crate::views::{GameReview, HomeView, SettingsView};
 
+/*
 #[derive(Clone)]
 enum AppView {
     Home,
 }
+*/
 
 // An application window should generally contain
 // - an overlay widget
@@ -46,7 +48,7 @@ pub struct AppWindow {
     // we can maintain the state of previous views. Since the two of these work together, they are
     // a candidate for extraction into a new widget or a new struct.
     stack: adw::NavigationView,
-    view_states: Vec<AppView>,
+    // view_states: Vec<AppView>,
 
     // Overlays are for transient content, such as about and settings, which can be accessed from
     // anywhere but shouldn't be part of the main application flow.
@@ -63,7 +65,7 @@ impl AppWindow {
         let window = Self::setup_window(app);
         let overlay = Self::setup_overlay();
         let stack = adw::NavigationView::new();
-        let view_states = vec![];
+        // let view_states = vec![];
 
         window.set_content(Some(&overlay));
         overlay.set_child(Some(&stack));
@@ -71,7 +73,7 @@ impl AppWindow {
         let s = Self {
             window,
             stack,
-            view_states,
+            // view_states,
             overlay,
             core,
             settings_view_model: Default::default(),
@@ -79,7 +81,7 @@ impl AppWindow {
 
         let home = s.setup_home();
 
-        let _ = s.stack.push(&home);
+        s.stack.push(&home);
 
         s
     }
@@ -149,23 +151,18 @@ impl AppWindow {
 
     pub fn close_overlay(&self) {
         let mut view = self.settings_view_model.write().unwrap();
-        match *view {
-            Some(ref mut settings) => {
-                self.overlay.remove_overlay(settings);
-                *view = None;
-            }
-            None => {}
+        if let Some(ref mut settings) = *view {
+            self.overlay.remove_overlay(settings);
+            *view = None;
         }
     }
 
     fn setup_window(app: &adw::Application) -> adw::ApplicationWindow {
-        let window = adw::ApplicationWindow::builder()
+        adw::ApplicationWindow::builder()
             .application(app)
             .width_request(800)
             .height_request(500)
-            .build();
-
-        window
+            .build()
     }
 
     fn setup_header() -> adw::HeaderBar {

otg/gtk/src/components/goban.rs

@@ -36,16 +36,15 @@ You should have received a copy of the GNU General Public License along with On
 // that.
 
 use crate::perftrace;
-use gio::resources_lookup_data;
+
 use glib::Object;
 use gtk::{
-    gdk_pixbuf::{InterpType, Pixbuf},
     prelude::*,
     subclass::prelude::*,
 };
-use image::io::Reader as ImageReader;
+
 use otg_core::{Color, Coordinate};
-use std::{cell::RefCell, io::Cursor, rc::Rc};
+use std::{cell::RefCell, rc::Rc};
 
 const WIDTH: i32 = 800;
 const HEIGHT: i32 = 800;
@@ -241,6 +240,7 @@ impl Pen {
         }
     }
 
+    #[allow(dead_code)]
     fn ghost_stone(&self, context: &cairo::Context, row: u8, col: u8, color: Color) {
         match color {
             Color::White => context.set_source_rgba(0.9, 0.9, 0.9, 0.5),

otg/gtk/src/components/review_tree.rs

@@ -18,14 +18,13 @@ use cairo::Context;
 use glib::Object;
 use gtk::{prelude::*, subclass::prelude::*};
 use sgf::{GameNode, GameRecord};
-use std::{cell::RefCell, rc::Rc};
 
 const WIDTH: i32 = 200;
 const HEIGHT: i32 = 800;
 
 #[derive(Default)]
 pub struct ReviewTreePrivate {
-    record: Rc<RefCell<Option<GameRecord>>>,
+    // record: Rc<RefCell<Option<GameRecord>>>,
 }
 
 #[glib::object_subclass]
@@ -44,7 +43,7 @@ glib::wrapper! {
 }
 
 impl ReviewTree {
-    pub fn new(record: GameRecord) -> Self {
+    pub fn new(_record: GameRecord) -> Self {
         let s: Self = Object::new();
 
         s.set_width_request(WIDTH);
@@ -60,7 +59,7 @@ impl ReviewTree {
         s
     }
 
-    pub fn redraw(&self, ctx: &Context, width: i32, height: i32) {
+    pub fn redraw(&self, _ctx: &Context, _width: i32, _height: i32) {
         // Implement the tree-drawing algorithm here
     }
 }
@@ -113,13 +112,14 @@ struct Tree {
 // out if it has children that would overlap the children of the first node.
 //
 // My algorithm right now is likely to generate unnecessarily wide trees in a complex game review.
+#[allow(dead_code)]
 fn node_width(node: &GameNode) -> usize {
     let children: &Vec<GameNode> = match node {
         GameNode::MoveNode(mn) => &mn.children,
         GameNode::SetupNode(sn) => &sn.children,
     };
 
-    if children.len() == 0 {
+    if children.is_empty() {
         return 1;
     }
 
@@ -137,7 +137,8 @@ fn node_width(node: &GameNode) -> usize {
 //
 // Just having the node is greatly insufficient. I can get better results if I'm calculating the
 // position of its children.
-fn node_children_columns(node: &GameNode) -> Vec<usize> {
+#[allow(dead_code)]
+fn node_children_columns(_node: &GameNode) -> Vec<usize> {
     vec![0, 1, 2]
 }
 

otg/gtk/src/lib.rs

@@ -21,10 +21,10 @@ pub use app_window::AppWindow;
 
 mod views;
 
-use async_std::task::{spawn, yield_now};
+use async_std::task::{yield_now};
 use otg_core::{Core, Observable, CoreRequest, CoreResponse};
-use std::{rc::Rc, sync::Arc};
-use tokio::runtime::Runtime;
+use std::{rc::Rc};
+
 
 #[derive(Clone)]
 pub struct CoreApi {
@@ -51,6 +51,7 @@ where
 /// LocalObserver creates a task on the current thread which watches the specified observer for notifications and calls the handler function with each one.
 ///
 /// The LocalObserver starts a task which listens for notifications during the constructor. When the observer goes out of scope, it will make a point of aborting the task. This combination means that anything which uses the observer can create it, hold on to a reference of it, and then drop it when done, and not have to do anything else with the observer object.
+#[allow(dead_code)]
 struct LocalObserver<T> {
     join_handle: glib::JoinHandle<()>,
     handler: Rc<dyn Fn(T)>,
@@ -61,6 +62,7 @@ impl<T: 'static> LocalObserver<T> {
     ///
     /// observable -- any object which emits events
     /// handler -- a function which can process events
+    #[allow(dead_code)]
     fn new(observable: &dyn Observable<T>, handler: impl Fn(T) + 'static) -> Self {
         let listener = observable.subscribe();
         let handler = Rc::new(handler);

otg/gtk/src/main.rs

@@ -4,17 +4,15 @@ use async_std::task::spawn;
 use gio::ActionEntry;
 use otg_core::{Config, ConfigOption, Core, CoreNotification, LibraryPath, Observable};
 use otg_gtk::{
-    perftrace,
-    // ui::{ConfigurationPage, Home, PlayingField},
     AppWindow,
     CoreApi,
 };
-use std::sync::{Arc, RwLock};
+
 
 const APP_ID_DEV: &str = "com.luminescent-dreams.otg.dev";
 const APP_ID_PROD: &str = "com.luminescent-dreams.otg";
 
-const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/otg/";
+// const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/otg/";
 
 async fn handler(notifications: Receiver<CoreNotification>, app_id: String) {
     loop {
@@ -108,7 +106,7 @@ fn main() {
         APP_ID_PROD
     };
 
-    let config = load_config(&app_id);
+    let config = load_config(app_id);
 
     let core = Core::new(config.clone());
 

otg/gtk/src/views/game_review.rs

@@ -28,13 +28,10 @@ use gtk::{prelude::*, subclass::prelude::*};
 use otg_core::Color;
 use sgf::GameRecord;
 
+#[derive(Default)]
 pub struct GameReviewPrivate {}
 
-impl Default for GameReviewPrivate {
-    fn default() -> Self {
-        Self {}
-    }
-}
+
 
 #[glib::object_subclass]
 impl ObjectSubclass for GameReviewPrivate {
@@ -52,7 +49,7 @@ glib::wrapper! {
 }
 
 impl GameReview {
-    pub fn new(api: CoreApi, record: GameRecord) -> Self {
+    pub fn new(_api: CoreApi, record: GameRecord) -> Self {
         let s: Self = Object::builder().build();
 
         // It's actually really bad to be just throwing away errors. Panics make everyone unhappy.

otg/gtk/src/views/home.rs

@@ -22,7 +22,7 @@ use otg_core::{
     CoreRequest, CoreResponse,
 };
 use sgf::GameRecord;
-use std::{cell::RefCell, rc::Rc};
+
 
 /*
 struct PlayerDataEntryPrivate {
@@ -101,19 +101,13 @@ impl PlayerDataEntry {
 }
 */
 
+#[derive(Default)]
 pub struct HomePrivate {
     // black_player: Rc<RefCell<Option<PlayerDataEntry>>>,
     // white_player: Rc<RefCell<Option<PlayerDataEntry>>>,
 }
 
-impl Default for HomePrivate {
-    fn default() -> Self {
-        Self {
-            // black_player: Rc::new(RefCell::new(None)),
-            // white_player: Rc::new(RefCell::new(None)),
-        }
-    }
-}
+
 
 #[glib::object_subclass]
 impl ObjectSubclass for HomePrivate {
@@ -158,7 +152,7 @@ impl HomeView {
         s.append(&new_game_button);
         */
 
-        let library = Library::new(move |game| on_select_game(game));
+        let library = Library::new(on_select_game);
         let library_view = gtk::ScrolledWindow::builder()
             .hscrollbar_policy(gtk::PolicyType::Never)
             .min_content_width(360)

otg/gtk/src/views/settings.rs

@@ -14,11 +14,11 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License along with On the Grid. If not, see <https://www.gnu.org/licenses/>.
 */
 
-use std::{borrow::Cow, cell::RefCell, path::Path, rc::Rc};
+use std::{cell::RefCell, rc::Rc};
 
 use adw::prelude::*;
 use glib::Object;
-use gtk::{prelude::*, subclass::prelude::*};
+use gtk::{subclass::prelude::*};
 use otg_core::{Config, ConfigOption, LibraryPath};
 
 fn library_chooser_row(
@@ -33,7 +33,7 @@ fn library_chooser_row(
         .valign(gtk::Align::Center)
         .build();
 
-    let parent = parent.clone();
+    let _parent = parent.clone();
 
     let library_row = adw::ActionRow::builder()
         .title("Library Path")