main.cpp

#include <windows.h>
#include <string>
#include <gdiplus.h>
#pragma comment(lib, "gdiplus.lib")

#include "src/crosshair.h"
#include "src/config.h"
#include "src/hotkey.h"
#include "src/config_file_util.h"

using namespace Gdiplus;

// GDI+ 初始化令牌
ULONG_PTR gdiToken;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPSTR, int) {
  // 创建互斥体防止程序重复运行
  HANDLE hMutex =
      CreateMutexA(nullptr, FALSE, "F5B6239126A64833BE094D6DC8DC1951");
  if (GetLastError() == ERROR_ALREADY_EXISTS) {
    MessageBoxA(nullptr, "Already Exist.", "Error", MB_OK | MB_ICONERROR);
    return -1;
  }

  // 设置 DPI 感知，确保在高分辨率屏幕上正确显示
  SetProcessDPIAware();

  // 初始化 GDI+
  const GdiplusStartupInput gdiplusStartupInput;
  GdiplusStartup(&gdiToken, &gdiplusStartupInput, nullptr);

  // 获取配置文件路径并确保文件存在
  const std::string configPath = get_config_path();
  ensure_config_exists(configPath);

  // 加载配置文件
  Config config;
  if (!config.Load(configPath.c_str())) {
    MessageBoxA(nullptr, "Error load config, use default values.", "Warning",
                MB_OK | MB_ICONINFORMATION);
  }
  config.AutoSetLength();

  // 创建十字准星窗口
  CrosshairWindow crosshair(hInstance, config);
  if (!crosshair.Create()) {
    MessageBoxA(nullptr, "Error creating Crosshair window.", "Error",
                MB_OK | MB_ICONERROR);
    GdiplusShutdown(gdiToken);
    return 1;
  }

  // 注册全局热键
  HotkeyManager::RegisterToggleHotkey(config.hotkey_h_s, config.hotkey_exit);

  // 主消息循环
  MSG msg;
  while (GetMessage(&msg, nullptr, 0, 0)) {
    if (msg.message == WM_HOTKEY) {
      switch (msg.wParam) {
        case HOTKEY_ID:
          crosshair.ToggleVisible();
          continue;
        case HOTKEY_ID2:
          exit(0);
      }
      break;
    }

    TranslateMessage(&msg);
    DispatchMessage(&msg);
  }

  // 清理资源
  HotkeyManager::UnregisterAll();
  GdiplusShutdown(gdiToken);
  if (hMutex) CloseHandle(hMutex);
  return 0;
}