e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | /* CAUTION!!!! If you modify this file, check ../windib/SDL_sysevents.c */ |
25 | |
26 | #include "directx.h" |
27 | |
28 | #include "SDL_main.h" |
29 | #include "SDL_events.h" |
30 | #include "SDL_video.h" |
31 | #include "SDL_syswm.h" |
32 | #include "../../events/SDL_sysevents.h" |
33 | #include "../../events/SDL_events_c.h" |
34 | #include "../wincommon/SDL_lowvideo.h" |
35 | #include "SDL_dx5video.h" |
36 | |
37 | #ifndef WM_APP |
38 | #define WM_APP 0x8000 |
39 | #endif |
40 | |
41 | #ifdef _WIN32_WCE |
42 | #define NO_GETKEYBOARDSTATE |
43 | #endif |
44 | |
45 | /* The keyboard and mouse device input */ |
46 | #define MAX_INPUTS 2 |
47 | #define INPUT_QSIZE 512 /* Buffer up to 512 input messages */ |
48 | |
49 | static LPDIRECTINPUT dinput = NULL; |
50 | static LPDIRECTINPUTDEVICE2 SDL_DIdev[MAX_INPUTS]; |
51 | static HANDLE SDL_DIevt[MAX_INPUTS]; |
52 | static void (*SDL_DIfun[MAX_INPUTS])(const int, DIDEVICEOBJECTDATA *); |
53 | static int SDL_DIndev = 0; |
54 | static int mouse_lost; |
55 | static int mouse_pressed; |
56 | static int mouse_buttons_swapped = 0; |
57 | |
58 | /* The translation table from a DirectInput scancode to an SDL keysym */ |
59 | static SDLKey DIK_keymap[256]; |
60 | static SDL_keysym *TranslateKey(UINT scancode, SDL_keysym *keysym, int pressed); |
61 | |
62 | /* DJM: If the user setup the window for us, we want to save his window proc, |
63 | and give him a chance to handle some messages. */ |
64 | #ifdef STRICT |
65 | #define WNDPROCTYPE WNDPROC |
66 | #else |
67 | #define WNDPROCTYPE FARPROC |
68 | #endif |
69 | static WNDPROCTYPE userWindowProc = NULL; |
70 | |
71 | static HWND GetTopLevelParent(HWND hWnd) |
72 | { |
73 | HWND hParentWnd; |
74 | while (1) |
75 | { |
76 | hParentWnd = GetParent(hWnd); |
77 | if (hParentWnd == NULL) |
78 | break; |
79 | hWnd = hParentWnd; |
80 | } |
81 | return hWnd; |
82 | } |
83 | |
84 | /* Convert a DirectInput return code to a text message */ |
85 | static void SetDIerror(char *function, int code) |
86 | { |
87 | static char *error; |
88 | static char errbuf[1024]; |
89 | |
90 | errbuf[0] = 0; |
91 | switch (code) { |
92 | case DIERR_GENERIC: |
93 | error = "Undefined error!"; |
94 | break; |
95 | case DIERR_OLDDIRECTINPUTVERSION: |
96 | error = "Your version of DirectInput needs upgrading"; |
97 | break; |
98 | case DIERR_INVALIDPARAM: |
99 | error = "Invalid parameters"; |
100 | break; |
101 | case DIERR_OUTOFMEMORY: |
102 | error = "Out of memory"; |
103 | break; |
104 | case DIERR_DEVICENOTREG: |
105 | error = "Device not registered"; |
106 | break; |
107 | case DIERR_NOINTERFACE: |
108 | error = "Interface not supported"; |
109 | break; |
110 | case DIERR_NOTINITIALIZED: |
111 | error = "Device not initialized"; |
112 | break; |
113 | default: |
114 | SDL_snprintf(errbuf, SDL_arraysize(errbuf), |
115 | "%s: Unknown DirectInput error: 0x%x", |
116 | function, code); |
117 | break; |
118 | } |
119 | if ( ! errbuf[0] ) { |
120 | SDL_snprintf(errbuf, SDL_arraysize(errbuf), "%s: %s", function, error); |
121 | } |
122 | SDL_SetError("%s", errbuf); |
123 | return; |
124 | } |
125 | |
126 | /* Initialize DirectInput |
127 | Note: If NONEXCLUSIVE access is requested for the devices, normal |
128 | windows input messages will continue to be generated for that |
129 | input device, in addition to DirectInput messages. |
130 | */ |
131 | static void handle_keyboard(const int numevents, DIDEVICEOBJECTDATA *events); |
132 | static void handle_mouse(const int numevents, DIDEVICEOBJECTDATA *events); |
133 | struct { |
134 | char *name; |
135 | REFGUID guid; |
136 | LPCDIDATAFORMAT format; |
137 | DWORD win_level; |
138 | DWORD raw_level; |
139 | void (*fun)(const int numevents, DIDEVICEOBJECTDATA *events); |
140 | } inputs[] = { |
141 | { "keyboard", |
142 | &GUID_SysKeyboard, &c_dfDIKeyboard, |
143 | (DISCL_FOREGROUND|DISCL_NONEXCLUSIVE), |
144 | (DISCL_FOREGROUND|DISCL_NONEXCLUSIVE), handle_keyboard }, |
145 | { "mouse", |
146 | &GUID_SysMouse, |
147 | #if DIRECTINPUT_VERSION >= 0x700 |
148 | &c_dfDIMouse2, |
149 | #else |
150 | &c_dfDIMouse, |
151 | #endif |
152 | (DISCL_FOREGROUND|DISCL_NONEXCLUSIVE), |
153 | (DISCL_FOREGROUND|DISCL_NONEXCLUSIVE), handle_mouse }, |
154 | { NULL, NULL, NULL, 0, 0, NULL } |
155 | }; |
156 | |
157 | static int DX5_DInputInit(_THIS) |
158 | { |
159 | int i; |
160 | LPDIRECTINPUTDEVICE device; |
161 | HRESULT result; |
162 | DIPROPDWORD dipdw; |
163 | HWND topwnd; |
164 | |
165 | /* Create the DirectInput object */ |
166 | result = DInputCreate(SDL_Instance, DIRECTINPUT_VERSION, |
167 | &dinput, NULL); |
168 | if ( result != DI_OK ) { |
169 | SetDIerror("DirectInputCreate", result); |
170 | return(-1); |
171 | } |
172 | |
173 | /* Create all of our registered input devices */ |
174 | SDL_DIndev = 0; |
175 | for ( i=0; inputs[i].name; ++i ) { |
176 | /* Create the DirectInput device */ |
177 | result = IDirectInput_CreateDevice(dinput, inputs[i].guid, |
178 | &device, NULL); |
179 | if ( result != DI_OK ) { |
180 | SetDIerror("DirectInput::CreateDevice", result); |
181 | return(-1); |
182 | } |
183 | result = IDirectInputDevice_QueryInterface(device, |
184 | &IID_IDirectInputDevice2, (LPVOID *)&SDL_DIdev[i]); |
185 | IDirectInputDevice_Release(device); |
186 | if ( result != DI_OK ) { |
187 | SetDIerror("DirectInputDevice::QueryInterface", result); |
188 | return(-1); |
189 | } |
190 | topwnd = GetTopLevelParent(SDL_Window); |
191 | result = IDirectInputDevice2_SetCooperativeLevel(SDL_DIdev[i], |
192 | topwnd, inputs[i].win_level); |
193 | if ( result != DI_OK ) { |
194 | SetDIerror("DirectInputDevice::SetCooperativeLevel", |
195 | result); |
196 | return(-1); |
197 | } |
198 | result = IDirectInputDevice2_SetDataFormat(SDL_DIdev[i], |
199 | inputs[i].format); |
200 | if ( result != DI_OK ) { |
201 | SetDIerror("DirectInputDevice::SetDataFormat", result); |
202 | return(-1); |
203 | } |
204 | |
205 | /* Set buffered input -- we aren't polling */ |
206 | SDL_memset(&dipdw, 0, sizeof(dipdw)); |
207 | dipdw.diph.dwSize = sizeof(dipdw); |
208 | dipdw.diph.dwHeaderSize = sizeof(dipdw.diph); |
209 | dipdw.diph.dwObj = 0; |
210 | dipdw.diph.dwHow = DIPH_DEVICE; |
211 | dipdw.dwData = INPUT_QSIZE; |
212 | result = IDirectInputDevice2_SetProperty(SDL_DIdev[i], |
213 | DIPROP_BUFFERSIZE, &dipdw.diph); |
214 | if ( result != DI_OK ) { |
215 | SetDIerror("DirectInputDevice::SetProperty", result); |
216 | return(-1); |
217 | } |
218 | |
219 | /* Create an event to be signaled when input is ready */ |
220 | SDL_DIevt[i] = CreateEvent(NULL, FALSE, FALSE, NULL); |
221 | if ( SDL_DIevt[i] == NULL ) { |
222 | SDL_SetError("Couldn't create DirectInput event"); |
223 | return(-1); |
224 | } |
225 | result = IDirectInputDevice2_SetEventNotification(SDL_DIdev[i], |
226 | SDL_DIevt[i]); |
227 | if ( result != DI_OK ) { |
228 | SetDIerror("DirectInputDevice::SetEventNotification", |
229 | result); |
230 | return(-1); |
231 | } |
232 | SDL_DIfun[i] = inputs[i].fun; |
233 | |
234 | /* Acquire the device for input */ |
235 | IDirectInputDevice2_Acquire(SDL_DIdev[i]); |
236 | |
237 | /* Increment the number of devices we have */ |
238 | ++SDL_DIndev; |
239 | } |
240 | mouse_pressed = 0; |
241 | mouse_buttons_swapped = GetSystemMetrics(SM_SWAPBUTTON); |
242 | |
243 | /* DirectInput is ready! */ |
244 | return(0); |
245 | } |
246 | |
247 | /* Clean up DirectInput */ |
248 | static void DX5_DInputQuit(_THIS) |
249 | { |
250 | int i; |
251 | |
252 | if ( dinput != NULL ) { |
253 | /* Close and release all DirectInput devices */ |
254 | for ( i=0; i<MAX_INPUTS; ++i ) { |
255 | if ( SDL_DIdev[i] != NULL ) { |
256 | IDirectInputDevice2_Unacquire(SDL_DIdev[i]); |
257 | IDirectInputDevice2_SetEventNotification( |
258 | SDL_DIdev[i], NULL); |
259 | if ( SDL_DIevt[i] != NULL ) { |
260 | CloseHandle(SDL_DIevt[i]); |
261 | SDL_DIevt[i] = NULL; |
262 | } |
263 | IDirectInputDevice2_Release(SDL_DIdev[i]); |
264 | SDL_DIdev[i] = NULL; |
265 | } |
266 | } |
267 | SDL_DIndev = 0; |
268 | |
269 | /* Release DirectInput */ |
270 | IDirectInput_Release(dinput); |
271 | dinput = NULL; |
272 | } |
273 | } |
274 | |
275 | /* Flag to tell SDL whether or not we queued an event */ |
276 | static int posted = 0; |
277 | |
278 | /* Input event handler functions */ |
279 | static void handle_keyboard(const int numevents, DIDEVICEOBJECTDATA *keybuf) |
280 | { |
281 | int i; |
282 | SDL_keysym keysym; |
283 | |
284 | /* Translate keyboard messages */ |
285 | for ( i=0; i<numevents; ++i ) { |
286 | if ( keybuf[i].dwData & 0x80 ) { |
287 | posted = SDL_PrivateKeyboard(SDL_PRESSED, |
288 | TranslateKey(keybuf[i].dwOfs, &keysym, 1)); |
289 | } else { |
290 | posted = SDL_PrivateKeyboard(SDL_RELEASED, |
291 | TranslateKey(keybuf[i].dwOfs, &keysym, 0)); |
292 | } |
293 | } |
294 | } |
295 | |
296 | static void post_mouse_motion(int relative, Sint16 x, Sint16 y) |
297 | { |
298 | extern int mouse_relative; |
299 | |
300 | if ( (SDL_GetAppState() & (SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS)) == |
301 | (SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS) ) { |
302 | posted = SDL_PrivateMouseMotion( |
303 | 0, relative, x, y); |
304 | |
305 | if ( !mouse_relative ) { |
306 | /* As DirectInput reads raw device coordinates, it has no notion of |
307 | * cursors or absolute position. We must assume responsibility for |
308 | * keeping track of this. */ |
309 | int current_x, current_y; |
310 | POINT cursor; |
311 | RECT trap; |
312 | RECT window; |
313 | int at_edge; |
314 | |
315 | /* Get the current cursor position */ |
316 | SDL_GetMouseState(¤t_x, ¤t_y); |
317 | cursor.x = current_x; |
318 | cursor.y = current_y; |
319 | ClientToScreen(SDL_Window, &cursor); |
320 | |
321 | /* Construct a 1 pixel square RECT that is used to confine the cursor |
322 | * pointer to a specific pixel using ClipCursor. This is used in |
323 | * preference to SetCursorPos as it avoids the cursor jumping around as |
324 | * both the OS and SDL attempt to move it simultaneously. */ |
325 | trap.left = cursor.x; |
326 | trap.top = cursor.y; |
327 | trap.right = cursor.x + 1; |
328 | trap.bottom = cursor.y + 1; |
329 | |
330 | GetClientRect(SDL_Window, &window); |
331 | window.right -= window.left; window.left = 0; |
332 | window.bottom -= window.top; window.top = 0; |
333 | |
334 | /* As we're assuming control over the cursor, we need to know when to |
335 | * relinquish control of it back to the operating system. This is when |
336 | * the cursor reaches the edge of the window. */ |
337 | at_edge = (current_x == window.left) || |
338 | (current_x == (window.right - 1)) || |
339 | (current_y == window.top) || |
340 | (current_y == (window.bottom - 1)); |
341 | |
342 | if ( at_edge ) { |
343 | ClipCursor(NULL); |
344 | } else { |
345 | ClipCursor(&trap); |
346 | } |
347 | } else { |
348 | /* When in relative mode, warp the OS's idea of where the cursor is to |
349 | * the center of the screen. This isn't really necessary as DirectInput |
350 | * reads from the hardware itself, but in case things go wrong, the |
351 | * cursor will be left in a sensible place. */ |
352 | POINT center; |
353 | center.x = (SDL_VideoSurface->w/2); |
354 | center.y = (SDL_VideoSurface->h/2); |
355 | ClientToScreen(SDL_Window, ¢er); |
356 | SetCursorPos(center.x, center.y); |
357 | } |
358 | } else { |
359 | /* No window or mouse focus, control is lost */ |
360 | mouse_lost = 1; |
361 | ClipCursor(NULL); |
362 | } |
363 | } |
364 | |
365 | static void handle_mouse(const int numevents, DIDEVICEOBJECTDATA *ptrbuf) |
366 | { |
367 | int i; |
368 | Sint16 xrel, yrel; |
369 | Uint8 state; |
370 | Uint8 button; |
371 | DWORD timestamp = 0; |
372 | |
373 | /* Sanity check. Mailing list reports this being NULL unexpectedly. */ |
374 | if (SDL_PublicSurface == NULL) { |
375 | return; |
376 | } |
377 | |
378 | /* If the mouse was lost, regain some sense of mouse state */ |
379 | if ( mouse_lost && (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) { |
380 | POINT mouse_pos; |
381 | Uint8 old_state; |
382 | Uint8 new_state; |
383 | |
384 | /* Set ourselves up with the current cursor position */ |
385 | GetCursorPos(&mouse_pos); |
386 | ScreenToClient(SDL_Window, &mouse_pos); |
387 | post_mouse_motion( 0, (Sint16)mouse_pos.x, (Sint16)mouse_pos.y); |
388 | |
389 | /* Check for mouse button changes */ |
390 | old_state = SDL_GetMouseState(NULL, NULL); |
391 | new_state = 0; |
392 | { /* Get the new DirectInput button state for the mouse */ |
393 | #if DIRECTINPUT_VERSION >= 0x700 |
394 | DIMOUSESTATE2 distate; |
395 | #else |
396 | DIMOUSESTATE distate; |
397 | #endif |
398 | HRESULT result; |
399 | |
400 | result=IDirectInputDevice2_GetDeviceState(SDL_DIdev[1], |
401 | sizeof(distate), &distate); |
402 | if ( result != DI_OK ) { |
403 | /* Try again next time */ |
404 | SetDIerror( |
405 | "IDirectInputDevice2::GetDeviceState", result); |
406 | return; |
407 | } |
408 | for ( i=3; i>=0; --i ) { |
409 | if ( (distate.rgbButtons[i]&0x80) == 0x80 ) { |
410 | new_state |= 0x01; |
411 | } |
412 | new_state <<= 1; |
413 | } |
414 | } |
415 | for ( i=0; i<8; ++i ) { |
416 | if ( (old_state&0x01) != (new_state&0x01) ) { |
417 | button = (Uint8)(i+1); |
418 | /* Map DI button numbers to SDL */ |
419 | switch ( button ) { |
420 | case 2: button = SDL_BUTTON_RIGHT; break; |
421 | case 3: button = SDL_BUTTON_MIDDLE; break; |
422 | case 4: button = SDL_BUTTON_X1; break; |
423 | case 5: button = SDL_BUTTON_X2; break; |
424 | default: break; |
425 | } |
426 | if ( new_state & 0x01 ) { |
427 | /* Grab mouse so we get mouse-up */ |
428 | if ( ++mouse_pressed > 0 ) { |
429 | SetCapture(SDL_Window); |
430 | } |
431 | state = SDL_PRESSED; |
432 | } else { |
433 | /* Release mouse after all mouse-ups */ |
434 | if ( --mouse_pressed <= 0 ) { |
435 | ReleaseCapture(); |
436 | mouse_pressed = 0; |
437 | } |
438 | state = SDL_RELEASED; |
439 | } |
440 | if ( mouse_buttons_swapped ) { |
441 | if ( button == 1 ) button = 3; |
442 | else |
443 | if ( button == 3 ) button = 1; |
444 | } |
445 | posted = SDL_PrivateMouseButton(state, button, |
446 | 0, 0); |
447 | } |
448 | old_state >>= 1; |
449 | new_state >>= 1; |
450 | } |
451 | mouse_lost = 0; |
452 | return; |
453 | } |
454 | |
455 | /* Translate mouse messages */ |
456 | xrel = 0; |
457 | yrel = 0; |
458 | for ( i=0; i<(int)numevents; ++i ) { |
459 | switch (ptrbuf[i].dwOfs) { |
460 | case DIMOFS_X: |
461 | if ( timestamp != ptrbuf[i].dwTimeStamp ) { |
462 | if ( xrel || yrel ) { |
463 | post_mouse_motion(1, xrel, yrel); |
464 | xrel = 0; |
465 | yrel = 0; |
466 | } |
467 | timestamp = ptrbuf[i].dwTimeStamp; |
468 | } |
469 | xrel += (Sint16)ptrbuf[i].dwData; |
470 | break; |
471 | case DIMOFS_Y: |
472 | if ( timestamp != ptrbuf[i].dwTimeStamp ) { |
473 | if ( xrel || yrel ) { |
474 | post_mouse_motion(1, xrel, yrel); |
475 | xrel = 0; |
476 | yrel = 0; |
477 | } |
478 | timestamp = ptrbuf[i].dwTimeStamp; |
479 | } |
480 | yrel += (Sint16)ptrbuf[i].dwData; |
481 | break; |
482 | case DIMOFS_Z: |
483 | if ( xrel || yrel ) { |
484 | post_mouse_motion(1, xrel, yrel); |
485 | xrel = 0; |
486 | yrel = 0; |
487 | } |
488 | timestamp = 0; |
489 | if((int)ptrbuf[i].dwData > 0) |
490 | button = SDL_BUTTON_WHEELUP; |
491 | else |
492 | button = SDL_BUTTON_WHEELDOWN; |
493 | posted = SDL_PrivateMouseButton( |
494 | SDL_PRESSED, button, 0, 0); |
495 | posted |= SDL_PrivateMouseButton( |
496 | SDL_RELEASED, button, 0, 0); |
497 | break; |
498 | case DIMOFS_BUTTON0: |
499 | case DIMOFS_BUTTON1: |
500 | case DIMOFS_BUTTON2: |
501 | case DIMOFS_BUTTON3: |
502 | #if DIRECTINPUT_VERSION >= 0x700 |
503 | case DIMOFS_BUTTON4: |
504 | case DIMOFS_BUTTON5: |
505 | case DIMOFS_BUTTON6: |
506 | case DIMOFS_BUTTON7: |
507 | #endif |
508 | if ( xrel || yrel ) { |
509 | post_mouse_motion(1, xrel, yrel); |
510 | xrel = 0; |
511 | yrel = 0; |
512 | } |
513 | timestamp = 0; |
514 | button = (Uint8)(ptrbuf[i].dwOfs-DIMOFS_BUTTON0)+1; |
515 | /* Map DI button numbers to SDL */ |
516 | switch ( button ) { |
517 | case 2: button = SDL_BUTTON_RIGHT; break; |
518 | case 3: button = SDL_BUTTON_MIDDLE; break; |
519 | case 4: button = SDL_BUTTON_X1; break; |
520 | case 5: button = SDL_BUTTON_X2; break; |
521 | default: break; |
522 | } |
523 | if ( ptrbuf[i].dwData & 0x80 ) { |
524 | /* Grab mouse so we get mouse-up */ |
525 | if ( ++mouse_pressed > 0 ) { |
526 | SetCapture(SDL_Window); |
527 | } |
528 | state = SDL_PRESSED; |
529 | } else { |
530 | /* Release mouse after all mouse-ups */ |
531 | if ( --mouse_pressed <= 0 ) { |
532 | ReleaseCapture(); |
533 | mouse_pressed = 0; |
534 | } |
535 | state = SDL_RELEASED; |
536 | } |
537 | if ( mouse_buttons_swapped ) { |
538 | if ( button == 1 ) button = 3; |
539 | else |
540 | if ( button == 3 ) button = 1; |
541 | } |
542 | posted = SDL_PrivateMouseButton(state, button, |
543 | 0, 0); |
544 | break; |
545 | } |
546 | } |
547 | if ( xrel || yrel ) { |
548 | post_mouse_motion(1, xrel, yrel); |
549 | } |
550 | } |
551 | |
552 | /* The main Win32 event handler */ |
553 | LRESULT DX5_HandleMessage(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
554 | { |
555 | switch (msg) { |
556 | #ifdef WM_ACTIVATEAPP |
557 | case WM_ACTIVATEAPP: { |
558 | int i, active; |
559 | |
560 | active = (wParam && (GetForegroundWindow() == hwnd)); |
561 | if ( active ) { |
562 | for ( i=0; SDL_DIdev[i]; ++i ) { |
563 | IDirectInputDevice2_Acquire( |
564 | SDL_DIdev[i]); |
565 | } |
566 | } else { |
567 | for ( i=0; SDL_DIdev[i]; ++i ) { |
568 | IDirectInputDevice2_Unacquire( |
569 | SDL_DIdev[i]); |
570 | } |
571 | mouse_lost = 1; |
572 | } |
573 | } |
574 | break; |
575 | #endif /* WM_ACTIVATEAPP */ |
576 | |
577 | #ifdef WM_DISPLAYCHANGE |
578 | case WM_DISPLAYCHANGE: { |
579 | WPARAM BitsPerPixel; |
580 | WORD SizeX, SizeY; |
581 | |
582 | /* Ack! The display changed size and/or depth! */ |
583 | SizeX = LOWORD(lParam); |
584 | SizeY = HIWORD(lParam); |
585 | BitsPerPixel = wParam; |
586 | /* We cause this message when we go fullscreen */ |
587 | } |
588 | break; |
589 | #endif /* WM_DISPLAYCHANGE */ |
590 | |
591 | /* The keyboard is handled via DirectInput */ |
592 | case WM_SYSKEYUP: |
593 | case WM_SYSKEYDOWN: |
594 | case WM_KEYUP: |
595 | case WM_KEYDOWN: { |
596 | /* Ignore windows keyboard messages */; |
597 | } |
598 | return(0); |
599 | |
600 | #if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER) |
601 | /* Don't allow screen savers or monitor power downs. |
602 | This is because they quietly clear DirectX surfaces. |
603 | It would be better to allow the application to |
604 | decide whether or not to blow these off, but the |
605 | semantics of SDL_PrivateSysWMEvent() don't allow |
606 | the application that choice. |
607 | */ |
608 | case WM_SYSCOMMAND: { |
609 | if ((wParam&0xFFF0)==SC_SCREENSAVE || |
610 | (wParam&0xFFF0)==SC_MONITORPOWER) |
611 | return(0); |
612 | } |
613 | /* Fall through to default processing */ |
614 | |
615 | #endif /* SC_SCREENSAVE || SC_MONITORPOWER */ |
616 | |
617 | default: { |
618 | /* Only post the event if we're watching for it */ |
619 | if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { |
620 | SDL_SysWMmsg wmmsg; |
621 | |
622 | SDL_VERSION(&wmmsg.version); |
623 | wmmsg.hwnd = hwnd; |
624 | wmmsg.msg = msg; |
625 | wmmsg.wParam = wParam; |
626 | wmmsg.lParam = lParam; |
627 | posted = SDL_PrivateSysWMEvent(&wmmsg); |
628 | |
629 | /* DJM: If the user isn't watching for private |
630 | messages in her SDL event loop, then pass it |
631 | along to any win32 specific window proc. |
632 | */ |
633 | } else if (userWindowProc) { |
634 | return CallWindowProc(userWindowProc, hwnd, msg, wParam, lParam); |
635 | } |
636 | } |
637 | break; |
638 | } |
639 | return(DefWindowProc(hwnd, msg, wParam, lParam)); |
640 | } |
641 | |
642 | /* This function checks the windows message queue and DirectInput and returns |
643 | 1 if there was input, 0 if there was no input, or -1 if the application has |
644 | posted a quit message. |
645 | */ |
646 | static int DX5_CheckInput(_THIS, int timeout, BOOL processInput) |
647 | { |
648 | MSG msg; |
649 | int i; |
650 | HRESULT result; |
651 | DWORD event; |
652 | |
653 | /* Check the normal windows queue (highest preference) */ |
654 | posted = 0; |
655 | while ( ! posted && |
656 | PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) { |
657 | if ( GetMessage(&msg, NULL, 0, 0) > 0 ) { |
658 | TranslateMessage(&msg); |
659 | DispatchMessage(&msg); |
660 | } else { |
661 | return(-1); |
662 | } |
663 | } |
664 | if ( posted ) { |
665 | return(1); |
666 | } |
667 | |
668 | /* Pump the DirectInput flow */ |
669 | if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
670 | for ( i=0; i<MAX_INPUTS; ++i ) { |
671 | if ( SDL_DIdev[i] != NULL ) { |
672 | result = IDirectInputDevice2_Poll(SDL_DIdev[i]); |
673 | if ( (result == DIERR_INPUTLOST) || |
674 | (result == DIERR_NOTACQUIRED) ) { |
675 | if ( SDL_strcmp(inputs[i].name, "mouse") == 0 ) { |
676 | mouse_lost = 1; |
677 | } |
678 | IDirectInputDevice2_Acquire(SDL_DIdev[i]); |
679 | IDirectInputDevice2_Poll(SDL_DIdev[i]); |
680 | } |
681 | } |
682 | } |
683 | } |
684 | |
685 | /* Wait for messages and input events */ |
686 | event = MsgWaitForMultipleObjects(SDL_DIndev, SDL_DIevt, FALSE, |
687 | timeout, QS_ALLEVENTS); |
688 | if ((event >= WAIT_OBJECT_0) && (event < (WAIT_OBJECT_0+SDL_DIndev))) { |
689 | DWORD numevents; |
690 | static DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE]; |
691 | |
692 | event -= WAIT_OBJECT_0; |
693 | numevents = INPUT_QSIZE; |
694 | result = IDirectInputDevice2_GetDeviceData( |
695 | SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA), |
696 | evtbuf, &numevents, 0); |
697 | if ( (result == DIERR_INPUTLOST) || |
698 | (result == DIERR_NOTACQUIRED) ) { |
699 | if ( SDL_strcmp(inputs[event].name, "mouse") == 0 ) { |
700 | mouse_lost = 1; |
701 | } |
702 | IDirectInputDevice2_Acquire(SDL_DIdev[event]); |
703 | result = IDirectInputDevice2_GetDeviceData( |
704 | SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA), |
705 | evtbuf, &numevents, 0); |
706 | } |
707 | /* Handle the events */ |
708 | if ( result == DI_OK && processInput ) { |
709 | /* Note: This can post multiple events to event queue |
710 | */ |
711 | (*SDL_DIfun[event])((int)numevents, evtbuf); |
712 | return(1); |
713 | } |
714 | } |
715 | if ( event != WAIT_TIMEOUT ) { |
716 | /* Maybe there was a windows message? */ |
717 | posted = 0; |
718 | while ( ! posted && |
719 | PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) { |
720 | if ( GetMessage(&msg, NULL, 0, 0) > 0 ) { |
721 | TranslateMessage(&msg); |
722 | DispatchMessage(&msg); |
723 | } else { |
724 | return(-1); |
725 | } |
726 | } |
727 | if ( posted ) { |
728 | return(1); |
729 | } |
730 | } |
731 | return(0); |
732 | } |
733 | |
734 | /* Change cooperative level based on whether or not we are fullscreen */ |
735 | void DX5_DInputReset(_THIS, int fullscreen) |
736 | { |
737 | DWORD level; |
738 | int i; |
739 | HRESULT result; |
740 | HWND topwnd; |
741 | |
742 | for ( i=0; i<MAX_INPUTS; ++i ) { |
743 | if ( SDL_DIdev[i] != NULL ) { |
744 | if ( fullscreen ) { |
745 | level = inputs[i].raw_level; |
746 | } else { |
747 | level = inputs[i].win_level; |
748 | } |
749 | IDirectInputDevice2_Unacquire(SDL_DIdev[i]); |
750 | topwnd = GetTopLevelParent(SDL_Window); |
751 | result = IDirectInputDevice2_SetCooperativeLevel( |
752 | SDL_DIdev[i], topwnd, level); |
753 | IDirectInputDevice2_Acquire(SDL_DIdev[i]); |
754 | if ( result != DI_OK ) { |
755 | SetDIerror( |
756 | "DirectInputDevice::SetCooperativeLevel", result); |
757 | } |
758 | } |
759 | } |
760 | mouse_lost = 1; |
761 | |
762 | /* Flush pending input */ |
763 | DX5_CheckInput(this, 0, FALSE); |
764 | } |
765 | |
766 | void DX5_PumpEvents(_THIS) |
767 | { |
768 | /* Wait for messages and DirectInput */ |
769 | while ( DX5_CheckInput(this, 0, TRUE) > 0 ) { |
770 | /* Loop and check again */; |
771 | } |
772 | } |
773 | |
774 | void DX5_InitOSKeymap(_THIS) |
775 | { |
776 | #ifndef DIK_PAUSE |
777 | #define DIK_PAUSE 0xC5 |
778 | #endif |
779 | #ifndef DIK_OEM_102 |
780 | #define DIK_OEM_102 0x56 /* < > | on UK/Germany keyboards */ |
781 | #endif |
782 | int i; |
783 | |
784 | /* Map the DIK scancodes to SDL keysyms */ |
785 | for ( i=0; i<SDL_arraysize(DIK_keymap); ++i ) |
786 | DIK_keymap[i] = 0; |
787 | |
788 | /* Defined DIK_* constants */ |
789 | DIK_keymap[DIK_ESCAPE] = SDLK_ESCAPE; |
790 | DIK_keymap[DIK_1] = SDLK_1; |
791 | DIK_keymap[DIK_2] = SDLK_2; |
792 | DIK_keymap[DIK_3] = SDLK_3; |
793 | DIK_keymap[DIK_4] = SDLK_4; |
794 | DIK_keymap[DIK_5] = SDLK_5; |
795 | DIK_keymap[DIK_6] = SDLK_6; |
796 | DIK_keymap[DIK_7] = SDLK_7; |
797 | DIK_keymap[DIK_8] = SDLK_8; |
798 | DIK_keymap[DIK_9] = SDLK_9; |
799 | DIK_keymap[DIK_0] = SDLK_0; |
800 | DIK_keymap[DIK_MINUS] = SDLK_MINUS; |
801 | DIK_keymap[DIK_EQUALS] = SDLK_EQUALS; |
802 | DIK_keymap[DIK_BACK] = SDLK_BACKSPACE; |
803 | DIK_keymap[DIK_TAB] = SDLK_TAB; |
804 | DIK_keymap[DIK_Q] = SDLK_q; |
805 | DIK_keymap[DIK_W] = SDLK_w; |
806 | DIK_keymap[DIK_E] = SDLK_e; |
807 | DIK_keymap[DIK_R] = SDLK_r; |
808 | DIK_keymap[DIK_T] = SDLK_t; |
809 | DIK_keymap[DIK_Y] = SDLK_y; |
810 | DIK_keymap[DIK_U] = SDLK_u; |
811 | DIK_keymap[DIK_I] = SDLK_i; |
812 | DIK_keymap[DIK_O] = SDLK_o; |
813 | DIK_keymap[DIK_P] = SDLK_p; |
814 | DIK_keymap[DIK_LBRACKET] = SDLK_LEFTBRACKET; |
815 | DIK_keymap[DIK_RBRACKET] = SDLK_RIGHTBRACKET; |
816 | DIK_keymap[DIK_RETURN] = SDLK_RETURN; |
817 | DIK_keymap[DIK_LCONTROL] = SDLK_LCTRL; |
818 | DIK_keymap[DIK_A] = SDLK_a; |
819 | DIK_keymap[DIK_S] = SDLK_s; |
820 | DIK_keymap[DIK_D] = SDLK_d; |
821 | DIK_keymap[DIK_F] = SDLK_f; |
822 | DIK_keymap[DIK_G] = SDLK_g; |
823 | DIK_keymap[DIK_H] = SDLK_h; |
824 | DIK_keymap[DIK_J] = SDLK_j; |
825 | DIK_keymap[DIK_K] = SDLK_k; |
826 | DIK_keymap[DIK_L] = SDLK_l; |
827 | DIK_keymap[DIK_SEMICOLON] = SDLK_SEMICOLON; |
828 | DIK_keymap[DIK_APOSTROPHE] = SDLK_QUOTE; |
829 | DIK_keymap[DIK_GRAVE] = SDLK_BACKQUOTE; |
830 | DIK_keymap[DIK_LSHIFT] = SDLK_LSHIFT; |
831 | DIK_keymap[DIK_BACKSLASH] = SDLK_BACKSLASH; |
832 | DIK_keymap[DIK_OEM_102] = SDLK_LESS; |
833 | DIK_keymap[DIK_Z] = SDLK_z; |
834 | DIK_keymap[DIK_X] = SDLK_x; |
835 | DIK_keymap[DIK_C] = SDLK_c; |
836 | DIK_keymap[DIK_V] = SDLK_v; |
837 | DIK_keymap[DIK_B] = SDLK_b; |
838 | DIK_keymap[DIK_N] = SDLK_n; |
839 | DIK_keymap[DIK_M] = SDLK_m; |
840 | DIK_keymap[DIK_COMMA] = SDLK_COMMA; |
841 | DIK_keymap[DIK_PERIOD] = SDLK_PERIOD; |
842 | DIK_keymap[DIK_SLASH] = SDLK_SLASH; |
843 | DIK_keymap[DIK_RSHIFT] = SDLK_RSHIFT; |
844 | DIK_keymap[DIK_MULTIPLY] = SDLK_KP_MULTIPLY; |
845 | DIK_keymap[DIK_LMENU] = SDLK_LALT; |
846 | DIK_keymap[DIK_SPACE] = SDLK_SPACE; |
847 | DIK_keymap[DIK_CAPITAL] = SDLK_CAPSLOCK; |
848 | DIK_keymap[DIK_F1] = SDLK_F1; |
849 | DIK_keymap[DIK_F2] = SDLK_F2; |
850 | DIK_keymap[DIK_F3] = SDLK_F3; |
851 | DIK_keymap[DIK_F4] = SDLK_F4; |
852 | DIK_keymap[DIK_F5] = SDLK_F5; |
853 | DIK_keymap[DIK_F6] = SDLK_F6; |
854 | DIK_keymap[DIK_F7] = SDLK_F7; |
855 | DIK_keymap[DIK_F8] = SDLK_F8; |
856 | DIK_keymap[DIK_F9] = SDLK_F9; |
857 | DIK_keymap[DIK_F10] = SDLK_F10; |
858 | DIK_keymap[DIK_NUMLOCK] = SDLK_NUMLOCK; |
859 | DIK_keymap[DIK_SCROLL] = SDLK_SCROLLOCK; |
860 | DIK_keymap[DIK_NUMPAD7] = SDLK_KP7; |
861 | DIK_keymap[DIK_NUMPAD8] = SDLK_KP8; |
862 | DIK_keymap[DIK_NUMPAD9] = SDLK_KP9; |
863 | DIK_keymap[DIK_SUBTRACT] = SDLK_KP_MINUS; |
864 | DIK_keymap[DIK_NUMPAD4] = SDLK_KP4; |
865 | DIK_keymap[DIK_NUMPAD5] = SDLK_KP5; |
866 | DIK_keymap[DIK_NUMPAD6] = SDLK_KP6; |
867 | DIK_keymap[DIK_ADD] = SDLK_KP_PLUS; |
868 | DIK_keymap[DIK_NUMPAD1] = SDLK_KP1; |
869 | DIK_keymap[DIK_NUMPAD2] = SDLK_KP2; |
870 | DIK_keymap[DIK_NUMPAD3] = SDLK_KP3; |
871 | DIK_keymap[DIK_NUMPAD0] = SDLK_KP0; |
872 | DIK_keymap[DIK_DECIMAL] = SDLK_KP_PERIOD; |
873 | DIK_keymap[DIK_F11] = SDLK_F11; |
874 | DIK_keymap[DIK_F12] = SDLK_F12; |
875 | |
876 | DIK_keymap[DIK_F13] = SDLK_F13; |
877 | DIK_keymap[DIK_F14] = SDLK_F14; |
878 | DIK_keymap[DIK_F15] = SDLK_F15; |
879 | |
880 | DIK_keymap[DIK_NUMPADEQUALS] = SDLK_KP_EQUALS; |
881 | DIK_keymap[DIK_NUMPADENTER] = SDLK_KP_ENTER; |
882 | DIK_keymap[DIK_RCONTROL] = SDLK_RCTRL; |
883 | DIK_keymap[DIK_DIVIDE] = SDLK_KP_DIVIDE; |
884 | DIK_keymap[DIK_SYSRQ] = SDLK_PRINT; |
885 | DIK_keymap[DIK_RMENU] = SDLK_RALT; |
886 | DIK_keymap[DIK_PAUSE] = SDLK_PAUSE; |
887 | DIK_keymap[DIK_HOME] = SDLK_HOME; |
888 | DIK_keymap[DIK_UP] = SDLK_UP; |
889 | DIK_keymap[DIK_PRIOR] = SDLK_PAGEUP; |
890 | DIK_keymap[DIK_LEFT] = SDLK_LEFT; |
891 | DIK_keymap[DIK_RIGHT] = SDLK_RIGHT; |
892 | DIK_keymap[DIK_END] = SDLK_END; |
893 | DIK_keymap[DIK_DOWN] = SDLK_DOWN; |
894 | DIK_keymap[DIK_NEXT] = SDLK_PAGEDOWN; |
895 | DIK_keymap[DIK_INSERT] = SDLK_INSERT; |
896 | DIK_keymap[DIK_DELETE] = SDLK_DELETE; |
897 | DIK_keymap[DIK_LWIN] = SDLK_LMETA; |
898 | DIK_keymap[DIK_RWIN] = SDLK_RMETA; |
899 | DIK_keymap[DIK_APPS] = SDLK_MENU; |
900 | } |
901 | |
902 | static SDL_keysym *TranslateKey(UINT scancode, SDL_keysym *keysym, int pressed) |
903 | { |
904 | /* Set the keysym information */ |
905 | keysym->scancode = (unsigned char)scancode; |
906 | keysym->sym = DIK_keymap[scancode]; |
907 | keysym->mod = KMOD_NONE; |
908 | keysym->unicode = 0; |
909 | if ( pressed && SDL_TranslateUNICODE ) { |
910 | UINT vkey; |
911 | #ifndef NO_GETKEYBOARDSTATE |
912 | BYTE keystate[256]; |
913 | Uint16 wchars[2]; |
914 | #endif |
915 | |
916 | vkey = MapVirtualKey(scancode, 1); |
917 | #ifdef NO_GETKEYBOARDSTATE |
918 | /* Uh oh, better hope the vkey is close enough.. */ |
919 | keysym->unicode = vkey; |
920 | #else |
921 | GetKeyboardState(keystate); |
922 | /* Numlock isn't taken into account in ToUnicode, |
923 | * so we handle it as a special case here */ |
924 | if ((keystate[VK_NUMLOCK] & 1) && vkey >= VK_NUMPAD0 && vkey <= VK_NUMPAD9) |
925 | { |
926 | keysym->unicode = vkey - VK_NUMPAD0 + '0'; |
927 | } |
928 | else if (SDL_ToUnicode(vkey, scancode, keystate, wchars, sizeof(wchars)/sizeof(wchars[0]), 0) > 0) |
929 | { |
930 | keysym->unicode = wchars[0]; |
931 | } |
932 | #endif /* NO_GETKEYBOARDSTATE */ |
933 | } |
934 | return(keysym); |
935 | } |
936 | |
937 | int DX5_CreateWindow(_THIS) |
938 | { |
939 | char *windowid = SDL_getenv("SDL_WINDOWID"); |
940 | int i; |
941 | |
942 | /* Clear out DirectInput variables in case we fail */ |
943 | for ( i=0; i<MAX_INPUTS; ++i ) { |
944 | SDL_DIdev[i] = NULL; |
945 | SDL_DIevt[i] = NULL; |
946 | SDL_DIfun[i] = NULL; |
947 | } |
948 | |
949 | SDL_RegisterApp(NULL, 0, 0); |
950 | |
951 | SDL_windowid = (windowid != NULL); |
952 | if ( SDL_windowid ) { |
953 | SDL_Window = (HWND)SDL_strtoull(windowid, NULL, 0); |
954 | if ( SDL_Window == NULL ) { |
955 | SDL_SetError("Couldn't get user specified window"); |
956 | return(-1); |
957 | } |
958 | |
959 | /* DJM: we want all event's for the user specified |
960 | window to be handled by SDL. |
961 | */ |
962 | userWindowProc = (WNDPROCTYPE)GetWindowLongPtr(SDL_Window, GWLP_WNDPROC); |
963 | SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)WinMessage); |
964 | } else { |
965 | SDL_Window = CreateWindow(SDL_Appname, SDL_Appname, |
966 | (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX), |
967 | CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, NULL, NULL, SDL_Instance, NULL); |
968 | if ( SDL_Window == NULL ) { |
969 | SDL_SetError("Couldn't create window"); |
970 | return(-1); |
971 | } |
972 | ShowWindow(SDL_Window, SW_HIDE); |
973 | } |
974 | |
975 | /* Initialize DirectInput */ |
976 | if ( DX5_DInputInit(this) < 0 ) { |
977 | return(-1); |
978 | } |
979 | |
980 | /* JC 14 Mar 2006 |
981 | Flush the message loop or this can cause big problems later |
982 | Especially if the user decides to use dialog boxes or assert()! |
983 | */ |
984 | WIN_FlushMessageQueue(); |
985 | |
986 | /* Ready to roll */ |
987 | return(0); |
988 | } |
989 | |
990 | void DX5_DestroyWindow(_THIS) |
991 | { |
992 | /* Close down DirectInput */ |
993 | DX5_DInputQuit(this); |
994 | |
995 | /* Destroy our window */ |
996 | if ( SDL_windowid ) { |
997 | SetWindowLongPtr(SDL_Window, GWLP_WNDPROC, (LONG_PTR)userWindowProc); |
998 | } else { |
999 | DestroyWindow(SDL_Window); |
1000 | } |
1001 | SDL_UnregisterApp(); |
1002 | |
1003 | /* JC 14 Mar 2006 |
1004 | Flush the message loop or this can cause big problems later |
1005 | Especially if the user decides to use dialog boxes or assert()! |
1006 | */ |
1007 | WIN_FlushMessageQueue(); |
1008 | } |