From d8d3fa204e102672e0b1f38bd9527d7ce41be2a0 Mon Sep 17 00:00:00 2001
From: Emil Lerch <emil@lerch.org>
Date: Wed, 17 Nov 2021 11:50:34 -0800
Subject: [PATCH] get an actual message box showing

---
 build.zig            |  7 +++----
 src/main-windows.zig | 20 ++++++++++++--------
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/build.zig b/build.zig
index 0cc7931..57f8c9c 100644
--- a/build.zig
+++ b/build.zig
@@ -19,8 +19,8 @@ pub fn build(b: *std.build.Builder) void {
 
     exe.setTarget(target);
     exe.setBuildMode(mode);
-    exe.linkLibC();
     if (target.getOs().tag == .linux) {
+        exe.linkLibC();
         // LibX11 1.7.2: https://gitlab.freedesktop.org/xorg/lib/libx11/-/archive/libX11-1.7.2/libx11-libX11-1.7.2.tar.gz
         // LibXfixes 5.0.3: https://gitlab.freedesktop.org/xorg/lib/libxfixes/-/archive/libXfixes-5.0.3/libxfixes-libXfixes-5.0.3.tar.gz
         // XOrg Proto: https://gitlab.freedesktop.org/xorg/proto/xorgproto/-/archive/xorgproto-2021.5/xorgproto-xorgproto-2021.5.tar.gz
@@ -43,9 +43,8 @@ pub fn build(b: *std.build.Builder) void {
             exe.addObjectFile(obj);
     }
     if (target.getOs().tag == .windows) {
-        // exe.linkLibC();
-        // exe.addIncludeDir("/usr/include/");
-        // exe.linkSystemLibrary("X11");
+        // woah...we don't actually need libc!
+        exe.linkSystemLibrary("user32");
     }
     exe.install();
 
diff --git a/src/main-windows.zig b/src/main-windows.zig
index 6e06409..2ec9385 100644
--- a/src/main-windows.zig
+++ b/src/main-windows.zig
@@ -1,10 +1,14 @@
 const std = @import("std");
-const win = @cImport({
-    @cInclude("windows.h");
-});
-pub fn clipboardAction(watch: bool) !void {
-    _ = watch;
-    const stdout = std.io.getStdOut().writer();
-    try stdout.print("All your codebase are belong to us", .{});
-    try stdout.print("{d}", .{win.HINSTANCE});
+const w = std.os.windows;
+
+extern "user32" fn MessageBoxA(hWnd: ?w.HANDLE, lpText: ?w.LPCSTR, lpCaption: ?w.LPCSTR, uType: w.UINT) callconv(w.WINAPI) c_int;
+
+pub export fn wWinMain(hInstance: w.HINSTANCE, hPrevInstance: ?w.HINSTANCE, lpCmdLine: w.PWSTR, nCmdShow: w.INT) w.INT {
+    _ = hInstance;
+    _ = hPrevInstance;
+    _ = lpCmdLine;
+    _ = nCmdShow;
+
+    _ = MessageBoxA(null, "all your codebase are belong to us", "title", 0);
+    return 0;
 }