src/video/win32/SDL_win32window.c
changeset 3045 9acb9f0f7f0d
parent 2990 502adab079a4
child 3057 089a77aebb7d
equal deleted inserted replaced
3044:b36579172f27 3045:9acb9f0f7f0d
   559 SDL_HelperWindowCreate(void)
   559 SDL_HelperWindowCreate(void)
   560 {
   560 {
   561     HINSTANCE hInstance = GetModuleHandleA(NULL);
   561     HINSTANCE hInstance = GetModuleHandleA(NULL);
   562     WNDCLASSEX wce;
   562     WNDCLASSEX wce;
   563 
   563 
       
   564     /* Make sure window isn't created twice. */
       
   565     if (SDL_HelperWindow != NULL) {
       
   566         return 0;
       
   567     }
       
   568 
   564     /* Create the class. */
   569     /* Create the class. */
   565     SDL_zero(wce);
   570     SDL_zero(wce);
   566     wce.cbSize = sizeof(WNDCLASSEX);
   571     wce.cbSize = sizeof(WNDCLASSEX);
   567     wce.lpfnWndProc = DefWindowProcA;
   572     wce.lpfnWndProc = DefWindowProcA;
   568     wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
   573     wce.lpszClassName = (LPCWSTR) SDL_HelperWindowClassName;
   582                                       WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
   587                                       WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
   583                                       CW_USEDEFAULT, CW_USEDEFAULT,
   588                                       CW_USEDEFAULT, CW_USEDEFAULT,
   584                                       CW_USEDEFAULT, HWND_MESSAGE, NULL,
   589                                       CW_USEDEFAULT, HWND_MESSAGE, NULL,
   585                                       hInstance, NULL);
   590                                       hInstance, NULL);
   586     if (SDL_HelperWindow == NULL) {
   591     if (SDL_HelperWindow == NULL) {
       
   592         UnregisterClass(SDL_HelperWindowClassName, hInstance);
   587         SDL_SetError("Unable to create Helper Window: error %d.",
   593         SDL_SetError("Unable to create Helper Window: error %d.",
   588                      GetLastError());
   594                      GetLastError());
   589         return -1;
   595         return -1;
   590     }
   596     }
   591 
   597