tiny win32 example

examples/windows/build.hancho

@@ -9,13 +9,13 @@ compile = Rule(
 
 link = Rule(
   desc      = "Link {files_in} -> {files_out}",
-  command   = "link.exe /nologo {files_in} /out:{files_out} > NUL",
+  command   = "link.exe /nologo {libs} {files_in} /out:{files_out} > NUL",
+  libs      = "user32.lib"
 )
 
 def c_binary(files_in, files_out, **kwargs):
   objs = [compile(file, **kwargs) for file in files_in]
   return link(objs, files_out, **kwargs)
 
-
 main_o = compile("src/main.cpp")
-link([ain_o, , "app")
+link(main_o, "app.exe")

examples/windows/src/main.cpp

@@ -1,8 +1,43 @@
-// src/main.cpp
-#include "main.hpp"
-#include <stdio.h>
+#include <windows.h>
+
+LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
+  switch (uMsg) {
+    case WM_DESTROY: {
+      PostQuitMessage(0);
+      return 0;
+    }
+    case WM_PAINT: {
+      PAINTSTRUCT ps;
+      HDC hdc = BeginPaint(hwnd, &ps);
+      FillRect(hdc, &ps.rcPaint, (HBRUSH)(COLOR_WINDOW + 1));
+      DrawText(hdc, "Hello World", 11, &ps.rcPaint, 0);
+      EndPaint(hwnd, &ps);
+      return 0;
+    }
+  }
+  return DefWindowProc(hwnd, uMsg, wParam, lParam);
+}
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR /*pCmdLine*/, int nCmdShow) {
+  WNDCLASS wc = { };
+
+  wc.lpfnWndProc = WindowProc;
+  wc.hInstance = hInstance;
+  wc.lpszClassName = "Sample Window Class";
+
+  RegisterClass(&wc);
+
+  HWND hwnd = CreateWindowEx(0, "Sample Window Class", "Win32 Hello World",
+    WS_OVERLAPPEDWINDOW, 400, 400, 400, 400,
+    NULL, NULL, hInstance, NULL);
+
+  ShowWindow(hwnd, nCmdShow);
+
+  MSG msg = { };
+  while (GetMessage(&msg, NULL, 0, 0)) {
+    TranslateMessage(&msg);
+    DispatchMessage(&msg);
+  }
 
-int main(int argc, char** argv) {
-  printf("Hello World\n");
   return 0;
 }

tutorial/rules.hancho

@@ -2,22 +2,16 @@
 
 import os
 
-compile_lin = "g++ -MMD -c {files_in} -o {files_out}"
-compile_win = "cl.exe /nologo /c {files_in} /sourceDependencies {depfile} /Fo:{files_out} > NUL"
-
-link_lin = "g++ {files_in} -o {files_out}"
-link_win = "link.exe /nologo {files_in} /out:{files_out} > NUL"
-
 compile = Rule(
   desc      = "Compile {files_in} -> {files_out}",
-  command   = compile_win if os.name == 'nt' else compile_lin,
+  command   = "g++ -MMD -c {files_in} -o {files_out}",
   files_out = "{swap_ext(files_in, '.o')}",
   depfile   = "{swap_ext(files_out, '.d')}",
 )
 
 link = Rule(
   desc      = "Link {files_in} -> {files_out}",
-  command   = link_win if os.name == 'nt' else link_lin,
+  command   = "g++ {files_in} -o {files_out}",
 )
 
 def c_binary(files_in, files_out, **kwargs):

tutorial/tut0.hancho

@@ -2,13 +2,8 @@
 
 import os
 
-if os.name == 'nt':
-  rule = Rule(
-    command = "cl.exe /c {files_in} /Fo:{files_out}",
-  )
-else:
-  rule = Rule(
-    command = "g++ {files_in} -o {files_out}",
-  )
+rule = Rule(
+  command = "g++ {files_in} -o {files_out}",
+)
 
 rule(["src/main.cpp", "src/util.cpp"], "tut0/app")