Draw SDL2 window

Cargo.lock

@@ -2,6 +2,62 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.131"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04c3b4822ccebfa39c02fc03d1534441b22ead323fa0f48bb7ddd8e6ba076a40"
+
 [[package]]
 name = "medit"
 version = "0.1.0"
+dependencies = [
+ "sdl2",
+]
+
+[[package]]
+name = "sdl2"
+version = "0.35.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7959277b623f1fb9e04aea73686c3ca52f01b2145f8ea16f4ff30d8b7623b1a"
+dependencies = [
+ "bitflags",
+ "lazy_static",
+ "libc",
+ "sdl2-sys",
+]
+
+[[package]]
+name = "sdl2-sys"
+version = "0.35.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3586be2cf6c0a8099a79a12b4084357aa9b3e0b0d7980e3b67aaf7a9d55f9f0"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "version-compare",
+]
+
+[[package]]
+name = "version-compare"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe88247b92c1df6b6de80ddc290f3976dbdf2f5f5d3fd049a9fb598c6dd5ca73"

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+sdl2 = "0.35.2"

flake.lock

@@ -1,87 +1,5 @@
 {
   "nodes": {
-    "crane": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1654444508,
-        "narHash": "sha256-4OBvQ4V7jyt7afs6iKUvRzJ1u/9eYnKzVQbeQdiamuY=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "db5482bf225acc3160899124a1df5a617cfa27b5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "devshell": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1658746384,
-        "narHash": "sha256-CCJcoMOcXyZFrV1ag4XMTpAPjLWb4Anbv+ktXFI1ry0=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "0ffc7937bb5e8141af03d462b468bd071eb18e1b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "dream2nix": {
-      "inputs": {
-        "alejandra": [
-          "nci",
-          "nixpkgs"
-        ],
-        "crane": "crane",
-        "devshell": [
-          "nci",
-          "devshell"
-        ],
-        "flake-utils-pre-commit": [
-          "nci",
-          "nixpkgs"
-        ],
-        "gomod2nix": [
-          "nci",
-          "nixpkgs"
-        ],
-        "mach-nix": [
-          "nci",
-          "nixpkgs"
-        ],
-        "nixpkgs": [
-          "nci",
-          "nixpkgs"
-        ],
-        "poetry2nix": [
-          "nci",
-          "nixpkgs"
-        ],
-        "pre-commit-hooks": [
-          "nci",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1660322711,
-        "narHash": "sha256-Q7im8L9UEVs448V4dv4XdCZy5yFfO1J+KpBi8O9Fe4o=",
-        "owner": "nix-community",
-        "repo": "dream2nix",
-        "rev": "9331fb1376068e24f0ab5080aec85f43a369ebdb",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "dream2nix",
-        "type": "github"
-      }
-    },
     "flake-parts": {
       "inputs": {
         "nixpkgs": [
@@ -117,28 +35,23 @@
         "type": "github"
       }
     },
-    "nci": {
+    "naersk": {
       "inputs": {
-        "devshell": "devshell",
-        "dream2nix": "dream2nix",
         "nixpkgs": [
           "nixpkgs"
-        ],
-        "rust-overlay": [
-          "rust"
         ]
       },
       "locked": {
-        "lastModified": 1660543949,
+        "lastModified": 1659610603,
-        "narHash": "sha256-dnKsU4qMXzbOaWRFQ9W2f5gOCXMtqo2ZRSugdNs/80s=",
+        "narHash": "sha256-LYgASYSPYo7O71WfeUOaEUzYfzuXm8c8eavJcel+pfI=",
-        "owner": "yusdacra",
+        "owner": "nix-community",
-        "repo": "nix-cargo-integration",
+        "repo": "naersk",
-        "rev": "670586d5d3a2a786fa2adfc4273b4419206c1e78",
+        "rev": "c6a45e4277fa58abd524681466d3450f896dc094",
         "type": "github"
       },
       "original": {
-        "owner": "yusdacra",
+        "owner": "nix-community",
-        "repo": "nix-cargo-integration",
+        "repo": "naersk",
         "type": "github"
       }
     },
@@ -161,7 +74,7 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "nci": "nci",
+        "naersk": "naersk",
         "nixpkgs": "nixpkgs",
         "rust": "rust"
       }

flake.nix

@@ -9,25 +9,38 @@
     rust.url = "github:oxalica/rust-overlay";
     rust.inputs.nixpkgs.follows = "nixpkgs";
 
-    nci.url = "github:yusdacra/nix-cargo-integration";
+    naersk.url = "github:nix-community/naersk";
-    nci.inputs.nixpkgs.follows = "nixpkgs";
+    naersk.inputs.nixpkgs.follows = "nixpkgs";
-    nci.inputs.rust-overlay.follows = "rust";
   };
 
-  outputs = { self, flake-parts, ... }@inputs:
+  outputs = { self, flake-parts, nixpkgs, naersk, rust }:
+    let
+      overlays = [ rust.overlays.default ];
+    in
     flake-parts.lib.mkFlake { inherit self; } {
       imports = [{
         config.perSystem = { system, ... }: {
-          config._module.args.pkgs = (import inputs.nixpkgs {
+          config._module.args.pkgs = import nixpkgs { inherit system overlays; };
-            inherit system;
-            overlays = [ inputs.rust.overlays.default ];
-          });
         };
       }];
-      systems = inputs.nixpkgs.lib.systems.flakeExposed;
+      systems = nixpkgs.lib.systems.flakeExposed;
-      perSystem = { config, self', inputs', pkgs, system, ... }: { };
+      perSystem = { config, self', inputs', pkgs, system, ... }:
-      flake = inputs.nci.lib.makeOutputs {
+        let
-        root = ./.;
+          toolchain = pkgs.rust-bin.stable.latest.default;
-      };
+          naersk-lib = pkgs.callPackage naersk {
+            cargo = toolchain;
+            rustc = toolchain;
+          };
+        in
+        {
+          packages.default = naersk-lib.buildPackage {
+            src = ./.;
+            buildInputs = with pkgs; [ SDL2 ];
+          };
+          apps.default.program = "${config.packages.default}/bin/medit";
+          devShells.default = pkgs.mkShell {
+            nativeBuildInputs = [ toolchain ];
+          };
+        };
     };
 }

src/main.rs

@@ -1,3 +1,36 @@
+use sdl2::{event::Event, init, keyboard::Keycode, pixels::Color};
+
 fn main() {
-    println!("Hello, world!");
+    let ctx = init().unwrap();
+    let vid = ctx.video().unwrap();
+    let win = vid
+        .window("medit", 800, 600)
+        .position_centered()
+        .build()
+        .unwrap();
+    let mut can = win.into_canvas().build().unwrap();
+    can.set_draw_color(Color::RGB(0, 255, 255));
+    can.clear();
+    can.present();
+    let mut event_pump = ctx.event_pump().unwrap();
+    let mut i = 0;
+    'running: loop {
+        i = (i + 1) % 255;
+        can.set_draw_color(Color::RGB(i, 64, 255 - i));
+        can.clear();
+        for event in event_pump.poll_iter() {
+            match event {
+                Event::Quit { .. }
+                | Event::KeyDown {
+                    keycode: Some(Keycode::Escape),
+                    ..
+                } => break 'running,
+                _ => {}
+            }
+        }
+        // The rest of the game loop goes here...
+
+        can.present();
+        std::thread::sleep(std::time::Duration::new(0, 1_000_000_000u32 / 60));
+    }
 }