Sample program for SHARP Brain (https://oucc.org/blog/articles/303)

brain.cpp

/*
 * This program is licensed under the CC0 1.0 (Public Domain).
 * このプログラムは CC0 1.0 (パブリックドメイン) でライセンスされています。
 * https://creativecommons.org/publicdomain/zero/1.0/
 */

#ifndef _UNICODE
#define _UNICODE
#endif
#ifndef UNICODE
#define UNICODE
#endif

#include <windows.h>
#ifndef WS_OVERLAPPEDWINDOW
#define WS_OVERLAPPEDWINDOW \
  WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
#endif

#include <tchar.h>

#ifdef UNDER_CE
#if SW_MAXIMIZE != 12
#undef SW_MAXIMIZE
#define SW_MAXIMIZE 12
#endif
#if SW_MINIMIZE != 6
#undef SW_MINIMIZE
#define SW_MINIMIZE 6
#endif
#if WS_MINIMIZEBOX != 0x00010000L
#undef WS_MINIMIZEBOX
#define WS_MINIMIZEBOX 0x00010000L
#endif
#if WS_MAXIMIZEBOX != 0x00020000L
#undef WS_MAXIMIZEBOX
#define WS_MAXIMIZEBOX 0x00020000L
#endif
#ifndef _tWinMain
#define _tWinMain WinMain
#endif
#endif

#define WND_CLASS_NAME TEXT("brain-main")

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
  static HFONT hFont = NULL;
  static RECT rect;

  switch (uMsg) {
    case WM_CLOSE:  // 閉じるボタン
      DestroyWindow(hWnd);
      break;

    case WM_SIZE: {  // ウィンドウサイズ変化時
      GetClientRect(hWnd, &rect);

      LOGFONT rLogfont;
      ZeroMemory(&rLogfont, sizeof(rLogfont));
      if (rect.right / 20 < rect.bottom / 4) {
        rLogfont.lfHeight = rect.right / 20;
      } else {
        rLogfont.lfHeight = rect.bottom / 4;
      }
      rLogfont.lfWeight = FW_BOLD;
      rLogfont.lfCharSet = DEFAULT_CHARSET;
      rLogfont.lfQuality = ANTIALIASED_QUALITY;
      _tcscpy(rLogfont.lfFaceName, TEXT("Tahoma"));
      if (hFont) DeleteObject(hFont);
      hFont = CreateFontIndirect(&rLogfont);

      InvalidateRect(hWnd, NULL, TRUE);
      break;
    }

    case WM_PAINT: {  // 再描画要求受領
      PAINTSTRUCT ps;
      HDC hdc = BeginPaint(hWnd, &ps);

      SetBkMode(hdc, TRANSPARENT);
      SetTextColor(hdc, RGB(0, 255, 0));
      SelectObject(hdc, hFont);
      DrawText(hdc, TEXT("Welcome to the SHARP Brain!"), -1, &rect,
               DT_CENTER | DT_VCENTER | DT_SINGLELINE);

      EndPaint(hWnd, &ps);
      break;
    }

    case WM_DESTROY:  // 終了時
      PostQuitMessage(0);
      break;

    default:  // 無視するメッセージ
      return DefWindowProc(hWnd, uMsg, wParam, lParam);
  }
  return 0;
}

int WINAPI _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nShowCmd) {
  UNREFERENCED_PARAMETER(hPrevInstance);
  UNREFERENCED_PARAMETER(lpCmdLine);

  WNDCLASS wcl;
  wcl.hInstance = hInstance;
  wcl.lpszClassName = WND_CLASS_NAME;
  wcl.lpfnWndProc = WindowProc;
  wcl.style = 0;
  wcl.hIcon = NULL;
#ifdef UNDER_CE
  wcl.hCursor = NULL;
#else
  wcl.hCursor = LoadCursor(NULL, IDC_ARROW);
#endif
  wcl.lpszMenuName = NULL;
  wcl.cbClsExtra = 0;
  wcl.cbWndExtra = 0;
  wcl.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
  if (!RegisterClass(&wcl)) return FALSE;

  HWND hWnd = CreateWindowEx(0, WND_CLASS_NAME, TEXT("Sample App"), WS_OVERLAPPEDWINDOW,
                             CW_USEDEFAULT, CW_USEDEFAULT, 480, 320, NULL, NULL, hInstance, NULL);
  if (!hWnd) return FALSE;

  ShowWindow(hWnd, nShowCmd);
#ifdef UNDER_CE
  ShowWindow(hWnd, SW_MAXIMIZE);  // Brain は画面が小さいので最大化
#endif
  UpdateWindow(hWnd);

  MSG msg;
  while (GetMessage(&msg, NULL, 0, 0)) DispatchMessage(&msg);
  return (int)msg.wParam;
}