pkg/cimgui

.gitattributes

@@ -1,2 +1,3 @@
 vendor/** linguist-vendored
 website/** linguist-documentation
+pkg/cimgui/vendor/** linguist-vendored

pkg/cimgui/build.zig

@@ -0,0 +1,64 @@
+const std = @import("std");
+const NativeTargetInfo = std.zig.system.NativeTargetInfo;
+
+pub fn build(b: *std.Build) !void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    _ = b.addModule("imgui", .{ .source_file = .{ .path = "main.zig" } });
+
+    const imgui = b.dependency("imgui", .{});
+    const lib = b.addStaticLibrary(.{
+        .name = "cimgui",
+        .target = target,
+        .optimize = optimize,
+    });
+    lib.linkLibC();
+    if (target.isWindows()) {
+        lib.linkSystemLibrary("imm32");
+    }
+
+    lib.addIncludePath(imgui.path(""));
+
+    var flags = std.ArrayList([]const u8).init(b.allocator);
+    defer flags.deinit();
+    try flags.appendSlice(&.{
+        "-DIMGUI_DISABLE_OBSOLETE_FUNCTIONS=1",
+    });
+    if (target.isWindows()) {
+        try flags.appendSlice(&.{
+            "-DIMGUI_IMPL_API=extern\t\"C\"\t__declspec(dllexport)",
+        });
+    } else {
+        try flags.appendSlice(&.{
+            "-DIMGUI_IMPL_API=extern\t\"C\"",
+        });
+    }
+
+    lib.addCSourceFile(.{ .file = .{ .path = "vendor/cimgui.cpp" }, .flags = flags.items });
+    lib.addCSourceFile(.{ .file = imgui.path("imgui.cpp"), .flags = flags.items });
+    lib.addCSourceFile(.{ .file = imgui.path("imgui_draw.cpp"), .flags = flags.items });
+    lib.addCSourceFile(.{ .file = imgui.path("imgui_demo.cpp"), .flags = flags.items });
+    lib.addCSourceFile(.{ .file = imgui.path("imgui_widgets.cpp"), .flags = flags.items });
+    lib.addCSourceFile(.{ .file = imgui.path("imgui_tables.cpp"), .flags = flags.items });
+
+    lib.installHeadersDirectoryOptions(.{
+        .source_dir = .{ .path = "vendor" },
+        .install_dir = .header,
+        .install_subdir = "",
+        .include_extensions = &.{".h"},
+    });
+
+    b.installArtifact(lib);
+
+    const test_exe = b.addTest(.{
+        .name = "test",
+        .root_source_file = .{ .path = "main.zig" },
+        .target = target,
+        .optimize = optimize,
+    });
+    test_exe.linkLibrary(lib);
+    const tests_run = b.addRunArtifact(test_exe);
+    const test_step = b.step("test", "Run tests");
+    test_step.dependOn(&tests_run.step);
+}

pkg/cimgui/build.zig.zon

@@ -0,0 +1,13 @@
+.{
+    .name = "cimgui",
+    .version = "1.89.9",
+    .paths = .{""},
+    .dependencies = .{
+        // This should be kept in sync with the submodule in the cimgui source
+        // code to be safe that they're compatible.
+        .imgui = .{
+            .url = "https://github.com/ocornut/imgui/archive/1d8e48c161370c37628c4f37f3f87cb19fbcb723.tar.gz",
+            .hash = "12205e93e208aada4c835acdc3e2c1fac95b3ad92b47abe6412ab043f9f13817ad9b",
+        },
+    },
+}

pkg/cimgui/main.zig

@@ -0,0 +1 @@
+test {}