add imgui package (#42)

imgui/build.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+cd "$DIR"
+
+INSTALL_DIR="$DIR/imgui/install"
+
+# Idempotent: skip if already present
+if [ -f "$INSTALL_DIR/include/imgui.h" ]; then
+  echo "imgui already present, skipping download."
+  exit 0
+fi
+
+# Dear ImGui (docking branch)
+IMGUI_VERSION="1.92.7"
+IMGUI_COMMIT="934c6a5f5ef2355d6df25395d555cb71f790c4e9"
+IMGUI_URL="https://github.com/ocornut/imgui/archive/${IMGUI_COMMIT}.tar.gz"
+
+# ImPlot (master)
+IMPLOT_COMMIT="93c801b4bb801c5c11031d880b6af1d1f70bd79d"
+IMPLOT_URL="https://github.com/epezent/implot/archive/${IMPLOT_COMMIT}.tar.gz"
+
+# rlImGui (main)
+RLIMGUI_COMMIT="286e11acd6c785004c9550c7ed3762add2ae3d47"
+RLIMGUI_URL="https://github.com/raylib-extras/rlImGui/archive/${RLIMGUI_COMMIT}.tar.gz"
+
+rm -rf "$INSTALL_DIR"
+mkdir -p "$INSTALL_DIR/include/extras" "$INSTALL_DIR/src"
+
+TMPDIR="$(mktemp -d)"
+trap 'rm -rf "$TMPDIR"' EXIT
+
+echo "Downloading Dear ImGui ${IMGUI_VERSION} (docking) ..."
+curl -fSL -o "$TMPDIR/imgui.tar.gz" "$IMGUI_URL"
+mkdir -p "$TMPDIR/imgui"
+tar --strip-components=1 -xzf "$TMPDIR/imgui.tar.gz" -C "$TMPDIR/imgui"
+cp "$TMPDIR/imgui/imgui.h" "$TMPDIR/imgui/imgui_internal.h" "$TMPDIR/imgui/imconfig.h" \
+   "$TMPDIR/imgui/imstb_rectpack.h" "$TMPDIR/imgui/imstb_textedit.h" "$TMPDIR/imgui/imstb_truetype.h" \
+   "$INSTALL_DIR/include/"
+cp "$TMPDIR/imgui/imgui.cpp" "$TMPDIR/imgui/imgui_draw.cpp" "$TMPDIR/imgui/imgui_tables.cpp" \
+   "$TMPDIR/imgui/imgui_widgets.cpp" "$TMPDIR/imgui/imgui_demo.cpp" \
+   "$INSTALL_DIR/src/"
+
+echo "Downloading ImPlot ..."
+curl -fSL -o "$TMPDIR/implot.tar.gz" "$IMPLOT_URL"
+mkdir -p "$TMPDIR/implot"
+tar --strip-components=1 -xzf "$TMPDIR/implot.tar.gz" -C "$TMPDIR/implot"
+cp "$TMPDIR/implot/implot.h" "$TMPDIR/implot/implot_internal.h" "$INSTALL_DIR/include/"
+cp "$TMPDIR/implot/implot.cpp" "$TMPDIR/implot/implot_items.cpp" "$INSTALL_DIR/src/"
+
+echo "Downloading rlImGui ..."
+curl -fSL -o "$TMPDIR/rlimgui.tar.gz" "$RLIMGUI_URL"
+mkdir -p "$TMPDIR/rlimgui"
+tar --strip-components=1 -xzf "$TMPDIR/rlimgui.tar.gz" -C "$TMPDIR/rlimgui"
+cp "$TMPDIR/rlimgui/rlImGui.h" "$TMPDIR/rlimgui/rlImGuiColors.h" "$TMPDIR/rlimgui/imgui_impl_raylib.h" \
+   "$INSTALL_DIR/include/"
+cp "$TMPDIR/rlimgui/extras/FA6FreeSolidFontData.h" "$TMPDIR/rlimgui/extras/IconsFontAwesome6.h" \
+   "$INSTALL_DIR/include/extras/"
+cp "$TMPDIR/rlimgui/rlImGui.cpp" "$INSTALL_DIR/src/"
+
+echo "Installed imgui to $INSTALL_DIR"
+du -sh "$INSTALL_DIR"

imgui/imgui/__init__.py

@@ -0,0 +1,10 @@
+import os
+
+DIR = os.path.join(os.path.dirname(__file__), "install")
+INCLUDE_DIR = os.path.join(DIR, "include")
+SRC_DIR = os.path.join(DIR, "src")
+
+
+def smoketest():
+  assert os.path.isfile(os.path.join(INCLUDE_DIR, "imgui.h")), "imgui.h not found"
+  assert os.path.isfile(os.path.join(SRC_DIR, "imgui.cpp")), "imgui.cpp not found"

imgui/pyproject.toml

@@ -0,0 +1,15 @@
+[build-system]
+requires = ["setuptools>=64", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "imgui"
+version = "1.92.7"
+description = "Dear ImGui + ImPlot + rlImGui (source distribution)"
+requires-python = ">=3.8"
+
+[tool.setuptools.packages.find]
+include = ["imgui*"]
+
+[tool.setuptools.package-data]
+imgui = ["install/**/*"]

imgui/setup.py

@@ -0,0 +1,61 @@
+import os
+import platform
+import subprocess
+
+from setuptools.command.build_py import build_py
+
+try:
+  from wheel.bdist_wheel import bdist_wheel
+except ImportError:
+  bdist_wheel = None
+
+
+class BuildImgui(build_py):
+  """Run build.sh to download imgui sources before collecting package data."""
+
+  def run(self):
+    pkg_dir = os.path.dirname(os.path.abspath(__file__))
+    marker = os.path.join(pkg_dir, "imgui", "install", "include", "imgui.h")
+
+    if not os.path.isfile(marker):
+      build_script = os.path.join(pkg_dir, "build.sh")
+      subprocess.check_call(["bash", build_script], cwd=pkg_dir)
+
+    super().run()
+
+
+cmdclass = {"build_py": BuildImgui}
+
+if bdist_wheel is not None:
+
+  class PlatformWheel(bdist_wheel):
+    """Produce a platform-specific, Python-version-agnostic wheel."""
+
+    def finalize_options(self):
+      super().finalize_options()
+      self.root_is_pure = False
+
+    def get_tag(self):
+      system = platform.system()
+      machine = platform.machine()
+
+      if system == "Linux":
+        plat = f"linux_{machine}"
+      elif system == "Darwin":
+        plat = "macosx_11_0_arm64"
+      else:
+        plat = f"{system.lower()}_{machine}"
+
+      return "py3", "none", plat
+
+  cmdclass["bdist_wheel"] = PlatformWheel
+
+
+def setup():
+  from setuptools import setup as _setup
+
+  _setup(cmdclass=cmdclass)
+
+
+if __name__ == "__main__":
+  setup()

pyproject.toml

@@ -7,6 +7,7 @@ members = [
   "ffmpeg",
   "gcc-arm-none-eabi",
   "git-lfs",
+  "imgui",
   "json11",
   "libjpeg",
   "libyuv",