implot.tests: init

pkgs/by-name/im/implot/demos/default.nix

@@ -0,0 +1,78 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  cmake,
+  pkg-config,
+  darwin,
+  fmt,
+  gtk3,
+  iir1,
+  imgui,
+  imnodes,
+  implot,
+  openssl,
+  curl,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "implot-demos";
+  version = "unstable-2023-08-20";
+
+  src = fetchFromGitHub {
+    owner = "epezent";
+    repo = "implot_demos";
+    rev = "f33219d3ade192a2333d4a32e749842010952a29";
+    hash = "sha256-Xq0kVk8qncj/BzQyIX/l1OLvPSQJU8ckTxIIfLZdO/g=";
+  };
+
+  patches = [
+    # Resolve "undefined symbols" (GetWindowContentRegionWidth &c)
+    (fetchpatch {
+      url = "https://github.com/epezent/implot_demos/commit/85a59612c102f8da97d6ead04f528f4c88f4ef9a.patch";
+      hash = "sha256-HRhfC3TUwz9Mv+1ODabaDxTWUaj4Nx1iH7C6vjUPo2s=";
+    })
+
+    # CMake: make FetchContent optional, add install targets
+    (fetchpatch {
+      url = "https://github.com/epezent/implot_demos/commit/4add0433a46ed5e2099e1af1a77e8055e49230d0.patch";
+      hash = "sha256-jYdM8NuwbZk7INKo2wqMAbjLMTPdrAdM4Kr3xmtquIY=";
+    })
+
+    # CMake: link libGL from the "app" target
+    (fetchpatch {
+      url = "https://github.com/epezent/implot_demos/commit/6742e4202858eb85bd0d67ca5fa15a7a07e6b618.patch";
+      hash = "sha256-h4EJ9u1iHLYkGHgxSynskkuCGmY6mmvKdZSRwHJKerY=";
+    })
+  ];
+
+  cmakeFlags = [ (lib.cmakeBool "FETCHCONTENT_FULLY_DISCONNECTED" true) ];
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+
+  buildInputs =
+    [
+      curl
+      fmt
+      iir1
+      imgui
+      imnodes
+      implot
+      openssl
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isLinux [ gtk3 ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.apple_sdk.frameworks.AppKit ];
+
+  meta = with lib; {
+    description = "Standalone ImPlot Demos";
+    homepage = "https://github.com/epezent/implot_demos";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SomeoneSerge ];
+    mainProgram = "implot-demos";
+    platforms = platforms.all;
+  };
+}

pkgs/by-name/im/implot/package.nix

@@ -27,6 +27,10 @@ stdenv.mkDerivation rec {
   buildInputs = [ imgui ];
   nativeBuildInputs = [ cmake ];
 
+  passthru.tests = {
+    implot-demos = callPackage ./demos { };
+  };
+
   meta = with lib; {
     description = "Immediate Mode Plotting";
     homepage = "https://github.com/epezent/implot";