Initial commit

.envrc

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+watch_file shell.nix
+watch_file flake.lock
+
+# try to use flakes, if it fails use normal nix (ie. shell.nix)
+use flake || use nix
+eval "$shellHook"

.gitignore

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+/target
+.direnv

Cargo.toml

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+[package]
+name = "todoodoo"
+description = "todoodoo"
+version = "0.1.0"
+edition = "2021"
+
+[profile.release]
+strip = "symbols"
+lto = true
+opt-level = "s"
+codegen-units = 1
+
+[profile.dev.package."*"]
+opt-level = "s"
+codegen-units = 1
+[profile.dev.build-override]
+opt-level = "s"
+codegen-units = 1
+
+[profile.release.package."*"]
+opt-level = "s"
+codegen-units = 1
+[profile.release.build-override]
+opt-level = "s"
+codegen-units = 1
+
+[dependencies.eframe]
+version = "0.24"
+default-features = false
+features = [ "wayland", "default_fonts", "glow", "persistence" ]

default.nix

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+{ pkgs ? import <nixpkgs> { } }:
+let manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
+    packages = with pkgs; [
+      pkg-config
+      libGLU
+      libGL
+      libxkbcommon
+      wayland
+    ];
+in
+pkgs.rustPlatform.buildRustPackage rec {
+  pname = manifest.name;
+  version = manifest.version;
+  cargoLock.lockFile = ./Cargo.lock;
+  src = pkgs.lib.cleanSource ./.;
+
+  meta = {
+    description = manifest.description ? null;
+  };
+  postBuild = ''
+    patchelf --add-needed libxkbcommon.so target/x86_64-unknown-linux-gnu/release/todoodoo
+    patchelf --add-needed libwayland-client.so target/x86_64-unknown-linux-gnu/release/todoodoo
+    patchelf --add-needed libGLU.so target/x86_64-unknown-linux-gnu/release/todoodoo
+    patchelf --add-needed libEGL.so target/x86_64-unknown-linux-gnu/release/todoodoo
+    old_rpath=$(patchelf --print-rpath target/x86_64-unknown-linux-gnu/release/todoodoo)
+    if [[ -z "$old_rpath" ]]; then
+      patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}" target/x86_64-unknown-linux-gnu/release/todoodoo
+    else
+      patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}:$old_rpath" target/x86_64-unknown-linux-gnu/release/todoodoo
+    fi
+  '';
+}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1704194953,
+        "narHash": "sha256-RtDKd8Mynhe5CFnVT8s0/0yqtWFMM9LmCzXv/YKxnq4=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "bd645e8668ec6612439a9ee7e71f7eac4099d4f6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "ToDooDoo";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+  outputs = { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      pkgsFor = nixpkgs.legacyPackages;
+    in {
+      packages = forAllSystems (system: {
+        default = pkgsFor.${system}.callPackage ./default.nix { };
+      });
+      devShells = forAllSystems (system: {
+        default = pkgsFor.${system}.callPackage ./shell.nix { };
+      });
+    };
+}
+

shell.nix

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+{ pkgs ? import <nixpkgs> { }, lib }:
+let packages = with pkgs; [
+    rust-analyzer
+    rustfmt
+    clippy
+
+    clang
+    mold
+
+    pkg-config
+
+    libGLU
+    libGL
+    libxkbcommon
+    
+    wayland
+  ];
+in
+pkgs.mkShell {
+  # Get dependencies from the main package
+  inputsFrom = [ (pkgs.callPackage ./default.nix { }) ];
+  nativeBuildInputs = packages;
+  buildInputs = packages;
+  env = {
+    LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
+    LD_LIBRARY_PATH = "${lib.makeLibraryPath packages}";
+  };
+}
+

src/main.rs

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+use eframe::egui;
+
+fn main() {
+    std::env::set_var("WINIT_UNIX_BACKEND", "wayland");
+    let native_options = eframe::NativeOptions::default();
+    if let Err(err) = eframe::run_native(
+        "My egui App",
+        native_options,
+        Box::new(|cc| Box::new(MyEguiApp::new(cc))),
+    ) {
+        eprintln!("{err}");
+    }
+}
+
+#[derive(Default)]
+struct MyEguiApp {}
+
+impl MyEguiApp {
+    fn new(_cc: &eframe::CreationContext<'_>) -> Self {
+        // Customize egui here with cc.egui_ctx.set_fonts and cc.egui_ctx.set_visuals.
+        // Restore app state using cc.storage (requires the "persistence" feature).
+        // Use the cc.gl (a glow::Context) to create graphics shaders and buffers that you can use
+        // for e.g. egui::PaintCallback.
+        Self::default()
+    }
+}
+
+impl eframe::App for MyEguiApp {
+    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        egui::CentralPanel::default().show(ctx, |ui| {
+            ui.heading("Hello World!");
+        });
+    }
+}