inline window::window<> create_test_window()
{
WNDCLASSEXW window_class = WNDCLASSEXW();
window_class.cbSize = sizeof(WNDCLASSEXW);
window_class.lpszClassName = L"testclass";
window_class.lpfnWndProc = ::DefWindowProcW;
ATOM klass = ::RegisterClassExW(&window_class);
if (klass == 0 && ::GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
BOOST_THROW_EXCEPTION(
boost::enable_error_info(washer::last_error()) <<
boost::errinfo_api_function("RegisterClassEx"));
HWND hwnd = ::CreateWindowExW(
0L, L"testclass", L"", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, NULL, NULL);
// BUG: CreateWindowExW doesn't set the error when passed
// invalid arguments
if (hwnd == NULL)
BOOST_THROW_EXCEPTION(
boost::enable_error_info(washer::last_error()) <<
boost::errinfo_api_function("CreateWindowEx"));
return window::window<>(window::window_handle::adopt_handle(hwnd));
}
//Registers, creates, and shows the Window!!
bool WinCreate()
{
WindowINST = GetModuleHandle(0); // Get current process handle
std::string title = string_format("Cataclysm: Dark Days Ahead - %s", getVersionString());
// Register window class
WNDCLASSEXW WindowClassType = WNDCLASSEXW();
WindowClassType.cbSize = sizeof(WNDCLASSEXW);
WindowClassType.lpfnWndProc = ProcessMessages;//the procedure that gets msgs
WindowClassType.hInstance = WindowINST;// hInstance
WindowClassType.hIcon = LoadIcon(WindowINST, MAKEINTRESOURCE(0)); // Get first resource
WindowClassType.hIconSm = LoadIcon(WindowINST, MAKEINTRESOURCE(0));
WindowClassType.hCursor = LoadCursor(NULL, IDC_ARROW);
WindowClassType.lpszClassName = szWindowClass;
if (!RegisterClassExW(&WindowClassType))
return false;
// Adjust window size
uint32_t WndStyle = WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_VISIBLE; // Basic window, show on creation
RECT WndRect;
WndRect.left = WndRect.top = 0;
WndRect.right = WindowWidth;
WndRect.bottom = WindowHeight;
AdjustWindowRect(&WndRect, WndStyle, false);
// Center window
RECT WorkArea;
SystemParametersInfo(SPI_GETWORKAREA, 0, &WorkArea, 0);
int WindowX = WorkArea.right/2 - (WndRect.right - WndRect.left)/2;
int WindowY = WorkArea.bottom/2 - (WndRect.bottom - WndRect.top)/2;
// Magic
WindowHandle = CreateWindowExW(0, szWindowClass , widen(title).c_str(), WndStyle,
WindowX, WindowY,
WndRect.right - WndRect.left,
WndRect.bottom - WndRect.top,
0, 0, WindowINST, NULL);
if (WindowHandle == 0)
return false;
return true;
};
