Start showing the list of games in the database

emseries/Cargo.lock

@@ -71,7 +71,7 @@ dependencies = [
 
 [[package]]
 name = "emseries"
-version = "0.5.1"
+version = "0.6.0"
 dependencies = [
  "chrono",
  "chrono-tz",

go-sgf/Cargo.lock

@@ -51,6 +51,7 @@ dependencies = [
  "iana-time-zone",
  "js-sys",
  "num-traits",
+ "serde",
  "time",
  "wasm-bindgen",
  "winapi",
@@ -68,7 +69,9 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "nom",
+ "serde",
  "thiserror",
+ "typeshare",
 ]
 
 [[package]]
@@ -94,6 +97,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+
 [[package]]
 name = "js-sys"
 version = "0.3.64"
@@ -170,6 +179,54 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
+
+[[package]]
+name = "serde"
+version = "1.0.164"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.164"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.99"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.18"
@@ -198,7 +255,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -212,6 +269,28 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "typeshare"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f44d1a2f454cb35fbe05b218c410792697e76bd868f48d3a418f2cd1a7d527d6"
+dependencies = [
+ "chrono",
+ "serde",
+ "serde_json",
+ "typeshare-annotation",
+]
+
+[[package]]
+name = "typeshare-annotation"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc670d0e358428857cc3b4bf504c691e572fccaec9542ff09212d3f13d74b7a9"
+dependencies = [
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.9"
@@ -245,7 +324,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.18",
  "wasm-bindgen-shared",
 ]
 
@@ -267,7 +346,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.18",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]

go-sgf/Cargo.toml

@@ -6,6 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono      = { version = "0.4", features = [ "serde" ] }
 nom         = { version = "7" }
+serde       = { version = "1", features = [ "derive" ] }
 thiserror   = { version = "1"}
-chrono      = { version = "0.4" }
+typeshare   = { version = "1" }

go-sgf/src/date.rs

@@ -1,6 +1,8 @@
 use chrono::{Datelike, NaiveDate};
+use serde::{Deserialize, Serialize};
 use std::num::ParseIntError;
 use thiserror::Error;
+use typeshare::typeshare;
 
 #[derive(Debug, Error, PartialEq)]
 pub enum Error {
@@ -14,7 +16,8 @@ pub enum Error {
     Unsupported,
 }
 
-#[derive(Clone, Debug, PartialEq, PartialOrd)]
+#[derive(Clone, Debug, PartialEq, PartialOrd, Deserialize, Serialize)]
+#[typeshare]
 pub enum Date {
     Year(i32),
     YearMonth(i32, u32),

go-sgf/src/go.rs

@@ -72,6 +72,8 @@ use crate::{
     date::{self, parse_date_field, Date},
     tree::{parse_collection, ParseSizeError, Size},
 };
+use serde::{Deserialize, Serialize};
+use typeshare::typeshare;
 
 #[derive(Debug)]
 pub enum Error<'a> {
@@ -97,7 +99,8 @@ impl<'a> From<ParseSizeError> for Error<'a> {
     }
 }
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[typeshare]
 pub enum Rank {
     Kyu(u8),
     Dan(u8),
@@ -118,6 +121,12 @@ impl TryFrom<&str> for Rank {
     }
 }
 
+impl ToString for Rank {
+    fn to_string(&self) -> String {
+        unimplemented!()
+    }
+}
+
 #[derive(Clone, Debug)]
 pub struct GameTree {
     pub file_format: i8,

go-sgf/src/lib.rs

@@ -1,6 +1,10 @@
-pub mod date;
-pub mod go;
-pub mod tree;
+mod date;
+pub use date::Date;
+
+mod go;
+pub use go::{parse_sgf, GameTree, GameType, Rank};
+
+mod tree;
 
 use thiserror::Error;
 

kifu/core/Cargo.lock

@@ -45,6 +45,7 @@ dependencies = [
  "js-sys",
  "num-integer",
  "num-traits",
+ "serde",
  "time",
  "wasm-bindgen",
  "winapi",
@@ -125,7 +126,9 @@ version = "0.1.0"
 dependencies = [
  "chrono",
  "nom",
+ "serde",
  "thiserror",
+ "typeshare",
 ]
 
 [[package]]

kifu/core/src/api.rs

@@ -1,7 +1,7 @@
 use crate::{
     types::{AppState, GameState, Player, Rank},
-    ui::{new_game, playing_field, NewGameView, PlayingFieldView},
-    Config,
+    ui::{home, playing_field, HomeView, PlayingFieldView},
+    Config, DatabasePath,
 };
 use serde::{Deserialize, Serialize};
 use std::sync::{Arc, RwLock};
@@ -12,8 +12,7 @@ use typeshare::typeshare;
 #[serde(tag = "type", content = "content")]
 pub enum CoreRequest {
     CreateGame(CreateGameRequest),
-    LaunchScreen,
-    NewGame,
+    Home,
     PlayingField,
     PlayStone(PlayStoneRequest),
     StartGame,
@@ -59,7 +58,7 @@ impl From<HotseatPlayerRequest> for Player {
 #[typeshare]
 #[serde(tag = "type", content = "content")]
 pub enum CoreResponse {
-    NewGameView(NewGameView),
+    HomeView(HomeView),
     PlayingFieldView(PlayingFieldView),
 }
 
@@ -71,8 +70,14 @@ pub struct CoreApp {
 
 impl CoreApp {
     pub fn new(config_path: std::path::PathBuf) -> Self {
+        println!("config_path: {:?}", config_path);
         let config = Config::from_path(config_path).expect("configuration to open");
-        let state = Arc::new(RwLock::new(AppState::new()));
+
+        let db_path: DatabasePath = config.get();
+        let state = Arc::new(RwLock::new(AppState::new(db_path)));
+
+        println!("config: {:?}", config);
+        println!("games database: {:?}", state.read().unwrap().database.len());
 
         Self { config, state }
     }
@@ -113,8 +118,9 @@ impl CoreApp {
                 let game_state = app_state.game.as_ref().unwrap();
                 CoreResponse::PlayingFieldView(playing_field(game_state))
             }
-            CoreRequest::LaunchScreen => CoreResponse::NewGameView(new_game()),
-            CoreRequest::NewGame => CoreResponse::NewGameView(new_game()),
+            CoreRequest::Home => {
+                CoreResponse::HomeView(home(self.state.read().unwrap().database.all_games()))
+            }
             CoreRequest::PlayingField => {
                 let app_state = self.state.read().unwrap();
                 let game = app_state.game.as_ref().unwrap();

kifu/core/src/config.rs

@@ -36,6 +36,7 @@ enum OptionNames {
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(untagged)]
 pub enum ConfigOption {
     DatabasePath(DatabasePath),
     Me(Me),
@@ -96,14 +97,14 @@ impl Config {
         }
     }
 
-    fn set(&mut self, val: ConfigOption) {
+    pub fn set(&mut self, val: ConfigOption) {
         let _ = match val {
             ConfigOption::DatabasePath(_) => self.values.insert(OptionNames::DatabasePath, val),
             ConfigOption::Me(_) => self.values.insert(OptionNames::Me, val),
         };
     }
 
-    fn get<'a, T>(&'a self) -> T
+    pub fn get<'a, T>(&'a self) -> T
     where
         T: From<&'a Self>,
     {
@@ -111,9 +112,16 @@ impl Config {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct DatabasePath(PathBuf);
 
+impl std::ops::Deref for DatabasePath {
+    type Target = PathBuf;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
 impl From<&Config> for DatabasePath {
     fn from(config: &Config) -> Self {
         match config.values.get(&OptionNames::DatabasePath) {
@@ -123,7 +131,7 @@ impl From<&Config> for DatabasePath {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Me(Player);
 
 impl From<&Config> for Option<Me> {
@@ -137,3 +145,54 @@ impl From<&Config> for Option<Me> {
             })
     }
 }
+
+impl std::ops::Deref for Me {
+    type Target = Player;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::types::Rank;
+    use cool_asserts::assert_matches;
+
+    #[test]
+    fn it_can_set_and_get_options() {
+        let mut config = Config::new(PathBuf::from("."));
+        config.set(ConfigOption::DatabasePath(DatabasePath(PathBuf::from(
+            "fixtures/five_games",
+        ))));
+        config.set(ConfigOption::Me(Me(Player {
+            name: "Savanni".to_owned(),
+            rank: Some(Rank::Kyu(10)),
+        })));
+    }
+
+    #[test]
+    fn it_can_serialize_and_deserialize() {
+        let mut config = Config::new(PathBuf::from("."));
+        config.set(ConfigOption::DatabasePath(DatabasePath(PathBuf::from(
+            "fixtures/five_games",
+        ))));
+        config.set(ConfigOption::Me(Me(Player {
+            name: "Savanni".to_owned(),
+            rank: Some(Rank::Kyu(10)),
+        })));
+        let s = serde_json::to_string(&config.values).unwrap();
+        println!("{}", s);
+        let values: HashMap<OptionNames, ConfigOption> = serde_json::from_str(s.as_ref()).unwrap();
+        println!("options: {:?}", values);
+
+        assert_matches!(values.get(&OptionNames::DatabasePath),
+                        Some(ConfigOption::DatabasePath(db_path)) =>
+                        assert_eq!(*db_path, config.get())
+        );
+
+        assert_matches!(values.get(&OptionNames::Me), Some(ConfigOption::Me(val)) =>
+            assert_eq!(Some(val.clone()), config.get())
+        );
+    }
+}

kifu/core/src/database.rs

@@ -1,6 +1,6 @@
 use std::{ffi::OsStr, io::Read, os::unix::ffi::OsStrExt, path::PathBuf};
 
-use go_sgf::go::{parse_sgf, GameTree, GameType};
+use go_sgf::{parse_sgf, GameTree};
 use thiserror::Error;
 
 #[derive(Error, Debug)]
@@ -17,6 +17,7 @@ impl From<std::io::Error> for Error {
     }
 }
 
+#[derive(Debug)]
 pub struct Database {
     path: PathBuf,
     games: Vec<GameTree>,
@@ -49,6 +50,10 @@ impl Database {
         Ok(Database { path, games })
     }
 
+    pub fn len(&self) -> usize {
+        self.games.len()
+    }
+
     pub fn all_games(&self) -> impl Iterator<Item = &GameTree> {
         self.games.iter()
     }
@@ -58,6 +63,7 @@ impl Database {
 mod test {
     use super::*;
     use cool_asserts::assert_matches;
+    use go_sgf::{Date, GameType};
 
     #[test]
     fn it_reads_empty_database() {
@@ -79,7 +85,7 @@ mod test {
         Some(game) => {
             assert_eq!(game.info.black_player, Some("Steve".to_owned()));
             assert_eq!(game.info.white_player, Some("Savanni".to_owned()));
-            assert_eq!(game.info.date, vec![chrono::NaiveDate::from_ymd_opt(2023, 4, 19).unwrap()]);
+            assert_eq!(game.info.date, vec![Date::Date(chrono::NaiveDate::from_ymd_opt(2023, 4, 19).unwrap())]);
             assert_eq!(game.info.komi, Some(6.5));
         }
         );

kifu/core/src/lib.rs

@@ -13,4 +13,5 @@ mod database;
 
 mod types;
 pub use types::{BoardError, Color, Rank, Size};
+
 pub mod ui;

kifu/core/src/types.rs

@@ -1,9 +1,11 @@
 use crate::{
     api::PlayStoneRequest,
     board::{Board, Coordinate},
+    config::DatabasePath,
+    database::Database,
 };
 use serde::{Deserialize, Serialize};
-use std::time::Duration;
+use std::{path::PathBuf, time::Duration};
 use thiserror::Error;
 use typeshare::typeshare;
 
@@ -43,12 +45,14 @@ impl Default for Size {
 #[derive(Debug)]
 pub struct AppState {
     pub game: Option<GameState>,
+    pub database: Database,
 }
 
 impl AppState {
-    pub fn new() -> Self {
+    pub fn new(database_path: DatabasePath) -> Self {
         Self {
             game: Some(GameState::new()),
+            database: Database::open_path(database_path.to_path_buf()).unwrap(),
         }
     }
 
@@ -91,7 +95,7 @@ impl From<Rank> for String {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Player {
     pub name: String,
     pub rank: Option<Rank>,

kifu/core/src/ui/elements/game_preview.rs

@@ -0,0 +1,33 @@
+use go_sgf::{Date, GameTree, Rank};
+use serde::{Deserialize, Serialize};
+use typeshare::typeshare;
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[typeshare]
+pub struct GamePreviewElement {
+    pub date: Vec<Date>,
+    pub black_player: String,
+    pub black_rank: Option<Rank>,
+    pub white_player: String,
+    pub white_rank: Option<Rank>,
+}
+
+impl GamePreviewElement {
+    pub fn new(game: &GameTree) -> GamePreviewElement {
+        GamePreviewElement {
+            date: game.info.date.clone(),
+            black_player: game
+                .info
+                .black_player
+                .clone()
+                .unwrap_or("black_player".to_owned()),
+            black_rank: game.info.black_rank.clone(),
+            white_player: game
+                .info
+                .white_player
+                .clone()
+                .unwrap_or("white_player".to_owned()),
+            white_rank: game.info.white_rank.clone(),
+        }
+    }
+}

kifu/core/src/ui/elements/mod.rs

@@ -1,2 +1,3 @@
 pub mod action;
+pub mod game_preview;
 pub mod menu;

kifu/core/src/ui/home.rs

@@ -1,4 +1,5 @@
-use crate::ui::Action;
+use crate::ui::{Action, GamePreviewElement};
+use go_sgf::GameTree;
 use serde::{Deserialize, Serialize};
 use typeshare::typeshare;
 
@@ -48,13 +49,14 @@ pub struct BotPlayerElement {}
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[typeshare]
-pub struct NewGameView {
+pub struct HomeView {
     pub black_player: PlayerElement,
     pub white_player: PlayerElement,
+    pub games: Vec<GamePreviewElement>,
     pub start_game: Action<()>,
 }
 
-pub fn new_game() -> NewGameView {
+pub fn home<'a>(games: impl Iterator<Item = &'a GameTree>) -> HomeView {
     let black_player = PlayerElement::Hotseat(HotseatPlayerElement {
         placeholder: Some("black player".to_owned()),
         default_rank: None,
@@ -65,9 +67,10 @@ pub fn new_game() -> NewGameView {
         default_rank: None,
         ranks: rank_strings(),
     });
-    NewGameView {
+    HomeView {
         black_player,
         white_player,
+        games: games.map(GamePreviewElement::new).collect(),
         start_game: Action {
             id: "start-game-action".to_owned(),
             label: "New Game".to_owned(),

kifu/core/src/ui/mod.rs

@@ -1,5 +1,5 @@
 mod elements;
-pub use elements::{action::Action, menu::Menu};
+pub use elements::{action::Action, game_preview::GamePreviewElement, menu::Menu};
 
 mod playing_field;
 pub use playing_field::{playing_field, PlayingFieldView};
@@ -7,8 +7,8 @@ pub use playing_field::{playing_field, PlayingFieldView};
 // mod launch_screen;
 // pub use launch_screen::{launch_screen, LaunchScreenView};
 
-mod new_game;
-pub use new_game::{new_game, HotseatPlayerElement, NewGameView, PlayerElement};
+mod home;
+pub use home::{home, HomeView, HotseatPlayerElement, PlayerElement};
 
 mod types;
 pub use types::{

kifu/gtk/Cargo.lock

@@ -121,6 +121,8 @@ dependencies = [
  "js-sys",
  "num-integer",
  "num-traits",
+ "serde",
+ "time",
  "wasm-bindgen",
  "winapi",
 ]
@@ -442,7 +444,7 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "wasm-bindgen",
 ]
 
@@ -543,6 +545,17 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "go-sgf"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "nom",
+ "serde",
+ "thiserror",
+ "typeshare",
+]
+
 [[package]]
 name = "gobject-sys"
 version = "0.17.4"
@@ -785,6 +798,8 @@ dependencies = [
 name = "kifu-core"
 version = "0.1.0"
 dependencies = [
+ "chrono",
+ "go-sgf",
  "grid",
  "serde",
  "serde_json",
@@ -862,6 +877,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.6.2"
@@ -879,7 +900,7 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
  "log",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys",
 ]
 
@@ -898,6 +919,16 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b93853da6d84c2e3c7d730d6473e8817692dd89be387eb01b94d7f108ecb5b8c"
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1330,6 +1361,17 @@ dependencies = [
  "weezl",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi",
+]
+
 [[package]]
 name = "tokio"
 version = "1.26.0"
@@ -1433,6 +1475,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"

kifu/gtk/Makefile

@@ -2,6 +2,7 @@ release:
 	cargo build --release
 
 dev:
+	export CONFIG=.
 	cargo watch -x 'run --bin kifu-gtk'
 
 screenplay:

kifu/gtk/config

@@ -0,0 +1 @@
+{"Me":{"name":"Savanni","rank":{"Kyu":10}},"DatabasePath":"../core/fixtures/five_games"}

kifu/gtk/src/main.rs

@@ -2,7 +2,7 @@ use gtk::prelude::*;
 use kifu_core::{CoreApp, CoreRequest, CoreResponse};
 use kifu_gtk::{
     perftrace,
-    ui::{NewGame, PlayingField},
+    ui::{Home, PlayingField},
     CoreApi,
 };
 use std::sync::{Arc, RwLock};
@@ -10,10 +10,10 @@ use std::sync::{Arc, RwLock};
 fn handle_response(api: CoreApi, window: gtk::ApplicationWindow, message: CoreResponse) {
     let playing_field = Arc::new(RwLock::new(None));
     match message {
-        CoreResponse::NewGameView(view) => perftrace("NewGameView", || {
+        CoreResponse::HomeView(view) => perftrace("HomeView", || {
             let api = api.clone();
 
-            let new_game = NewGame::new(api, view);
+            let new_game = Home::new(api, view);
             window.set_child(Some(&new_game));
         }),
         CoreResponse::PlayingFieldView(view) => perftrace("PlayingFieldView", || {
@@ -44,10 +44,17 @@ fn main() {
             .unwrap(),
     );
 
-    let user_home = std::env::var("HOME").expect("the user's home directory isn't set");
-    let mut config_path = std::path::PathBuf::from(user_home);
-    config_path.push(".config");
-    config_path.push("kifu");
+    let config_path = std::env::var("CONFIG")
+        .and_then(|config| Ok(std::path::PathBuf::from(config)))
+        .or({
+            std::env::var("HOME").and_then(|base| {
+                let mut config_path = std::path::PathBuf::from(base);
+                config_path.push(".config");
+                config_path.push("kifu");
+                Ok(config_path)
+            })
+        })
+        .expect("no config path could be found");
 
     let core = CoreApp::new(config_path);
 
@@ -87,7 +94,7 @@ fn main() {
                 }
             });
 
-            api.dispatch(CoreRequest::NewGame);
+            api.dispatch(CoreRequest::Home);
         }
     });
 

kifu/gtk/src/ui/game_preview.rs

@@ -0,0 +1,42 @@
+use glib::Object;
+use gtk::{glib, prelude::*, subclass::prelude::*};
+use kifu_core::ui::GamePreviewElement;
+
+#[derive(Default)]
+pub struct GamePreviewPrivate;
+
+#[glib::object_subclass]
+impl ObjectSubclass for GamePreviewPrivate {
+    const NAME: &'static str = "GamePreview";
+    type Type = GamePreview;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for GamePreviewPrivate {}
+impl WidgetImpl for GamePreviewPrivate {}
+impl BoxImpl for GamePreviewPrivate {}
+
+glib::wrapper! {
+    pub struct GamePreview(ObjectSubclass<GamePreviewPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
+}
+
+impl GamePreview {
+    pub fn new(element: GamePreviewElement) -> GamePreview {
+        let s: Self = Object::builder().build();
+        s.set_orientation(gtk::Orientation::Horizontal);
+
+        println!("game_preview: {:?}", element);
+        let black_player = match element.black_rank {
+            Some(rank) => format!("{} ({})", element.black_player, rank.to_string()),
+            None => element.black_player,
+        };
+        let white_player = match element.white_rank {
+            Some(rank) => format!("{} ({})", element.white_player, rank.to_string()),
+            None => element.white_player,
+        };
+        s.append(&gtk::Label::new(Some(&black_player)));
+        s.append(&gtk::Label::new(Some(&white_player)));
+
+        s
+    }
+}

kifu/gtk/src/ui/home.rs

@@ -1,8 +1,9 @@
+use crate::ui::GamePreview;
 use crate::CoreApi;
 use glib::Object;
 use gtk::{glib, prelude::*, subclass::prelude::*};
 use kifu_core::{
-    ui::{NewGameView, PlayerElement},
+    ui::{HomeView, PlayerElement},
     CoreRequest, CreateGameRequest, HotseatPlayerRequest, PlayerInfoRequest,
 };
 use std::{cell::RefCell, rc::Rc};
@@ -82,12 +83,12 @@ impl PlayerDataEntry {
     }
 }
 
-pub struct NewGamePrivate {
+pub struct HomePrivate {
     black_player: Rc<RefCell<Option<PlayerDataEntry>>>,
     white_player: Rc<RefCell<Option<PlayerDataEntry>>>,
 }
 
-impl Default for NewGamePrivate {
+impl Default for HomePrivate {
     fn default() -> Self {
         Self {
             black_player: Rc::new(RefCell::new(None)),
@@ -97,22 +98,22 @@ impl Default for NewGamePrivate {
 }
 
 #[glib::object_subclass]
-impl ObjectSubclass for NewGamePrivate {
-    const NAME: &'static str = "NewGame";
-    type Type = NewGame;
+impl ObjectSubclass for HomePrivate {
+    const NAME: &'static str = "Home";
+    type Type = Home;
     type ParentType = gtk::Grid;
 }
 
-impl ObjectImpl for NewGamePrivate {}
-impl WidgetImpl for NewGamePrivate {}
-impl GridImpl for NewGamePrivate {}
+impl ObjectImpl for HomePrivate {}
+impl WidgetImpl for HomePrivate {}
+impl GridImpl for HomePrivate {}
 
 glib::wrapper! {
-    pub struct NewGame(ObjectSubclass<NewGamePrivate>) @extends gtk::Grid, gtk::Widget;
+    pub struct Home(ObjectSubclass<HomePrivate>) @extends gtk::Grid, gtk::Widget;
 }
 
-impl NewGame {
-    pub fn new(api: CoreApi, view: NewGameView) -> NewGame {
+impl Home {
+    pub fn new(api: CoreApi, view: HomeView) -> Home {
         let s: Self = Object::builder().build();
 
         let black_player = PlayerDataEntry::new(view.black_player);
@@ -138,6 +139,12 @@ impl NewGame {
             }
         });
 
+        let game_list = gtk::Box::new(gtk::Orientation::Vertical, 0);
+        s.attach(&game_list, 1, 3, 2, 1);
+        view.games
+            .iter()
+            .for_each(|game_preview| game_list.append(&GamePreview::new(game_preview.clone())));
+
         s
     }
 }

kifu/gtk/src/ui/mod.rs

@@ -1,14 +1,17 @@
-mod player_card;
-pub use player_card::PlayerCard;
-
 mod chat;
 pub use chat::Chat;
 
+mod game_preview;
+pub use game_preview::GamePreview;
+
+mod player_card;
+pub use player_card::PlayerCard;
+
 mod playing_field;
 pub use playing_field::PlayingField;
 
-mod new_game;
-pub use new_game::NewGame;
+mod home;
+pub use home::Home;
 
 mod board;
 pub use board::Board;