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comparison src/video/win32/SDL_win32window.c @ 2580:64fa227c01ce gsoc2008_force_feedback

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Added the concept of the HelperWindow to help with DirectInput.
author Edgar Simo <bobbens@gmail.com>
date Mon, 04 Aug 2008 11:22:01 +0000
parents ba0d62354872
children a1c00531ee00
comparison
equal deleted inserted replaced
2579:bd2a6c70cb29 2580:64fa227c01ce
26 26
27 #include "SDL_win32video.h" 27 #include "SDL_win32video.h"
28 28
29 /* This is included after SDL_win32video.h, which includes windows.h */ 29 /* This is included after SDL_win32video.h, which includes windows.h */
30 #include "SDL_syswm.h" 30 #include "SDL_syswm.h"
31
32
33 /* Fake window to help with DirectInput events. */
34 HWND SDL_HelperWindow = NULL;
31 35
32 36
33 static int 37 static int
34 SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, SDL_bool created) 38 SetupWindowData(_THIS, SDL_Window * window, HWND hwnd, SDL_bool created)
35 { 39 {
407 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); 411 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
408 return SDL_FALSE; 412 return SDL_FALSE;
409 } 413 }
410 } 414 }
411 415
416
417 /*
418 * Creates a HelperWindow used for DirectInput events.
419 */
420 int
421 SDL_HelperWindowCreate(void)
422 {
423 HINSTANCE hInstance = pGetModuleHandleA(NULL);
424 const char *class_name = "SDLHelperWindowInputCatcher";
425 const char *win_name = "SDLHelperWindowInputMsgWindow";
426 WNDCLASSEX wce;
427
428 ZeroMemory(&wce, sizeof (wce));
429 wce.cbSize = sizeof(WNDCLASSEX);
430 wce.lpfnWndProc = RawWndProc;
431 wce.lpszClassName = class_name;
432 wce.hInstance = hInstance;
433
434 SDL_HelperWindow = pCreateWindowExA(0, class_name, win_name, WS_OVERLAPPEDWINDOW,
435 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
436 CW_USEDEFAULT, HWND_MESSAGE, NULL, hInstance, NULL);
437
438 if (SDL_HelperWindow == NULL) {
439 SDL_SetError("Unable to create Helper Window.");
440 return -1;
441 }
442
443 return 0;
444 }
445
446
447 /*
448 * Destroys the HelperWindow previously created with SDL_HelperWindowCreate.
449 */
450 void
451 SDL_HelperWindowDestroy(void)
452 {
453 if (SDL_HelperWindow) {
454 pDestroyWindow(SDL_HelperWindow);
455 SDL_HelperWindow = NULL;
456 }
457 }
458
459
412 /* vi: set ts=4 sw=4 expandtab: */ 460 /* vi: set ts=4 sw=4 expandtab: */