| 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 | #define WIN32_LEAN_AND_MEAN |
| 25 | #include <windows.h> |
| 26 | |
| 27 | /* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */ |
| 28 | #ifndef WM_XBUTTONDOWN |
| 29 | #define WM_XBUTTONDOWN 0x020B |
| 30 | #endif |
| 31 | #ifndef WM_XBUTTONUP |
| 32 | #define WM_XBUTTONUP 0x020C |
| 33 | #endif |
| 34 | #ifndef GET_XBUTTON_WPARAM |
| 35 | #define GET_XBUTTON_WPARAM(w) (HIWORD(w)) |
| 36 | #endif |
| 37 | |
| 38 | #include "SDL_events.h" |
| 39 | #include "SDL_video.h" |
| 40 | #include "SDL_syswm.h" |
| 41 | #include "../SDL_sysvideo.h" |
| 42 | #include "../../events/SDL_sysevents.h" |
| 43 | #include "../../events/SDL_events_c.h" |
| 44 | #include "SDL_lowvideo.h" |
| 45 | #include "SDL_syswm_c.h" |
| 46 | #include "SDL_main.h" |
| 47 | #include "SDL_loadso.h" |
| 48 | |
| 49 | #ifdef WMMSG_DEBUG |
| 50 | #include "wmmsg.h" |
| 51 | #endif |
| 52 | |
| 53 | #include "../windib/SDL_gapidibvideo.h" |
| 54 | |
| 55 | #ifdef SDL_VIDEO_DRIVER_GAPI |
| 56 | #include "../gapi/SDL_gapivideo.h" |
| 57 | #endif |
| 58 | |
| 59 | #ifdef _WIN32_WCE |
| 60 | #define IsZoomed(HWND) 1 |
| 61 | #define NO_GETKEYBOARDSTATE |
| 62 | #if _WIN32_WCE < 420 |
| 63 | #define NO_CHANGEDISPLAYSETTINGS |
| 64 | #endif |
| 65 | #endif |
| 66 | |
| 67 | /* The window we use for everything... */ |
| 68 | #ifdef _WIN32_WCE |
| 69 | LPWSTR SDL_Appname = NULL; |
| 70 | #else |
| 71 | LPSTR SDL_Appname = NULL; |
| 72 | #endif |
| 73 | Uint32 SDL_Appstyle = 0; |
| 74 | HINSTANCE SDL_Instance = NULL; |
| 75 | HWND SDL_Window = NULL; |
| 76 | RECT SDL_bounds = {0, 0, 0, 0}; |
| 77 | int SDL_windowX = 0; |
| 78 | int SDL_windowY = 0; |
| 79 | int SDL_resizing = 0; |
| 80 | int mouse_relative = 0; |
| 81 | int posted = 0; |
| 82 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 83 | DEVMODE SDL_desktop_mode; |
| 84 | DEVMODE SDL_fullscreen_mode; |
| 85 | #endif |
| 86 | WORD *gamma_saved = NULL; |
| 87 | |
| 88 | |
| 89 | /* Functions called by the message processing function */ |
| 90 | LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)=NULL; |
| 91 | void (*WIN_Activate)(_THIS, BOOL active, BOOL iconic); |
| 92 | void (*WIN_RealizePalette)(_THIS); |
| 93 | void (*WIN_PaletteChanged)(_THIS, HWND window); |
| 94 | void (*WIN_WinPAINT)(_THIS, HDC hdc); |
| 95 | extern void DIB_SwapGamma(_THIS); |
| 96 | |
| 97 | #ifndef NO_GETKEYBOARDSTATE |
| 98 | /* Variables and support functions for SDL_ToUnicode() */ |
| 99 | static int codepage; |
| 100 | static int Is9xME(); |
| 101 | static int GetCodePage(); |
| 102 | static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, BYTE *keystate, LPWSTR wchars, int wsize, UINT flags); |
| 103 | |
| 104 | ToUnicodeFN SDL_ToUnicode = ToUnicode9xME; |
| 105 | #endif /* !NO_GETKEYBOARDSTATE */ |
| 106 | |
| 107 | |
| 108 | #if defined(_WIN32_WCE) |
| 109 | |
| 110 | //AdjustWindowRect is not available under WinCE 2003 |
| 111 | #define AdjustWindowRect(a,b,c) (AdjustWindowRectEx((a),(b),(c),0)) |
| 112 | |
| 113 | // dynamically load aygshell dll because we want SDL to work on HPC and be300 |
| 114 | HINSTANCE aygshell = NULL; |
| 115 | BOOL (WINAPI *SHFullScreen)(HWND hwndRequester, DWORD dwState) = 0; |
| 116 | |
| 117 | #define SHFS_SHOWTASKBAR 0x0001 |
| 118 | #define SHFS_HIDETASKBAR 0x0002 |
| 119 | #define SHFS_SHOWSIPBUTTON 0x0004 |
| 120 | #define SHFS_HIDESIPBUTTON 0x0008 |
| 121 | #define SHFS_SHOWSTARTICON 0x0010 |
| 122 | #define SHFS_HIDESTARTICON 0x0020 |
| 123 | |
| 124 | static void LoadAygshell(void) |
| 125 | { |
| 126 | if( !aygshell ) |
| 127 | aygshell = SDL_LoadObject("aygshell.dll"); |
| 128 | if( (aygshell != 0) && (SHFullScreen == 0) ) |
| 129 | { |
| 130 | SHFullScreen = (int (WINAPI *)(struct HWND__ *,unsigned long)) SDL_LoadFunction(aygshell, "SHFullScreen"); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | #endif |
| 135 | |
| 136 | /* JC 14 Mar 2006 |
| 137 | This is used all over the place, in the windib driver and in the dx5 driver |
| 138 | So we may as well stick it here instead of having multiple copies scattered |
| 139 | about |
| 140 | */ |
| 141 | void WIN_FlushMessageQueue() |
| 142 | { |
| 143 | MSG msg; |
| 144 | while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) ) { |
| 145 | if ( msg.message == WM_QUIT ) break; |
| 146 | TranslateMessage( &msg ); |
| 147 | DispatchMessage( &msg ); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | static void SDL_RestoreGameMode(void) |
| 152 | { |
| 153 | #ifdef _WIN32_WCE //Under ce we don't minimize, therefore no restore |
| 154 | |
| 155 | #ifdef SDL_VIDEO_DRIVER_GAPI |
| 156 | SDL_VideoDevice *this = current_video; |
| 157 | if(SDL_strcmp(this->name, "gapi") == 0) |
| 158 | { |
| 159 | if( this->hidden->gapiInfo->suspended ) |
| 160 | { |
| 161 | this->hidden->gapiInfo->suspended = 0; |
| 162 | } |
| 163 | } |
| 164 | #endif |
| 165 | |
| 166 | #else |
| 167 | ShowWindow(SDL_Window, SW_RESTORE); |
| 168 | #endif |
| 169 | |
| 170 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 171 | #ifndef _WIN32_WCE |
| 172 | ChangeDisplaySettings(&SDL_fullscreen_mode, CDS_FULLSCREEN); |
| 173 | #endif |
| 174 | #endif /* NO_CHANGEDISPLAYSETTINGS */ |
| 175 | } |
| 176 | static void SDL_RestoreDesktopMode(void) |
| 177 | { |
| 178 | |
| 179 | #ifdef _WIN32_WCE |
| 180 | |
| 181 | #ifdef SDL_VIDEO_DRIVER_GAPI |
| 182 | SDL_VideoDevice *this = current_video; |
| 183 | if(SDL_strcmp(this->name, "gapi") == 0) |
| 184 | { |
| 185 | if( !this->hidden->gapiInfo->suspended ) |
| 186 | { |
| 187 | this->hidden->gapiInfo->suspended = 1; |
| 188 | } |
| 189 | } |
| 190 | #endif |
| 191 | |
| 192 | #else |
| 193 | /* WinCE does not have a taskbar, so minimizing is not convenient */ |
| 194 | ShowWindow(SDL_Window, SW_MINIMIZE); |
| 195 | #endif |
| 196 | |
| 197 | #ifndef NO_CHANGEDISPLAYSETTINGS |
| 198 | #ifndef _WIN32_WCE |
| 199 | ChangeDisplaySettings(NULL, 0); |
| 200 | #endif |
| 201 | #endif /* NO_CHANGEDISPLAYSETTINGS */ |
| 202 | } |
| 203 | |
| 204 | #ifdef WM_MOUSELEAVE |
| 205 | /* |
| 206 | Special code to handle mouse leave events - this sucks... |
| 207 | http://support.microsoft.com/support/kb/articles/q183/1/07.asp |
| 208 | |
| 209 | TrackMouseEvent() is only available on Win98 and WinNT. |
| 210 | _TrackMouseEvent() is available on Win95, but isn't yet in the mingw32 |
| 211 | development environment, and only works on systems that have had IE 3.0 |
| 212 | or newer installed on them (which is not the case with the base Win95). |
| 213 | Therefore, we implement our own version of _TrackMouseEvent() which |
| 214 | uses our own implementation if TrackMouseEvent() is not available. |
| 215 | */ |
| 216 | static BOOL (WINAPI *_TrackMouseEvent)(TRACKMOUSEEVENT *ptme) = NULL; |
| 217 | |
| 218 | static VOID CALLBACK |
| 219 | TrackMouseTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime) |
| 220 | { |
| 221 | RECT rect; |
| 222 | POINT pt; |
| 223 | |
| 224 | GetClientRect(hWnd, &rect); |
| 225 | MapWindowPoints(hWnd, NULL, (LPPOINT)&rect, 2); |
| 226 | GetCursorPos(&pt); |
| 227 | if ( !PtInRect(&rect, pt) || (WindowFromPoint(pt) != hWnd) ) { |
| 228 | if ( !KillTimer(hWnd, idEvent) ) { |
| 229 | /* Error killing the timer! */ |
| 230 | } |
| 231 | PostMessage(hWnd, WM_MOUSELEAVE, 0, 0); |
| 232 | } |
| 233 | } |
| 234 | static BOOL WINAPI WIN_TrackMouseEvent(TRACKMOUSEEVENT *ptme) |
| 235 | { |
| 236 | if ( ptme->dwFlags == TME_LEAVE ) { |
| 237 | return SetTimer(ptme->hwndTrack, ptme->dwFlags, 100, |
| 238 | (TIMERPROC)TrackMouseTimerProc) != 0; |
| 239 | } |
| 240 | return FALSE; |
| 241 | } |
| 242 | #endif /* WM_MOUSELEAVE */ |
| 243 | |
| 244 | /* Function to retrieve the current keyboard modifiers */ |
| 245 | static void WIN_GetKeyboardState(void) |
| 246 | { |
| 247 | #ifndef NO_GETKEYBOARDSTATE |
| 248 | SDLMod state; |
| 249 | BYTE keyboard[256]; |
| 250 | Uint8 *kstate = SDL_GetKeyState(NULL); |
| 251 | |
| 252 | state = KMOD_NONE; |
| 253 | if ( GetKeyboardState(keyboard) ) { |
| 254 | if ( keyboard[VK_LSHIFT] & 0x80) { |
| 255 | state |= KMOD_LSHIFT; |
| 256 | kstate[SDLK_LSHIFT] = SDL_PRESSED; |
| 257 | } |
| 258 | if ( keyboard[VK_RSHIFT] & 0x80) { |
| 259 | state |= KMOD_RSHIFT; |
| 260 | kstate[SDLK_RSHIFT] = SDL_PRESSED; |
| 261 | } |
| 262 | if ( keyboard[VK_LCONTROL] & 0x80) { |
| 263 | state |= KMOD_LCTRL; |
| 264 | kstate[SDLK_LCTRL] = SDL_PRESSED; |
| 265 | } |
| 266 | if ( keyboard[VK_RCONTROL] & 0x80) { |
| 267 | state |= KMOD_RCTRL; |
| 268 | kstate[SDLK_RCTRL] = SDL_PRESSED; |
| 269 | } |
| 270 | if ( keyboard[VK_LMENU] & 0x80) { |
| 271 | state |= KMOD_LALT; |
| 272 | kstate[SDLK_LALT] = SDL_PRESSED; |
| 273 | } |
| 274 | if ( keyboard[VK_RMENU] & 0x80) { |
| 275 | state |= KMOD_RALT; |
| 276 | kstate[SDLK_RALT] = SDL_PRESSED; |
| 277 | } |
| 278 | if ( keyboard[VK_NUMLOCK] & 0x01) { |
| 279 | state |= KMOD_NUM; |
| 280 | kstate[SDLK_NUMLOCK] = SDL_PRESSED; |
| 281 | } |
| 282 | if ( keyboard[VK_CAPITAL] & 0x01) { |
| 283 | state |= KMOD_CAPS; |
| 284 | kstate[SDLK_CAPSLOCK] = SDL_PRESSED; |
| 285 | } |
| 286 | } |
| 287 | SDL_SetModState(state); |
| 288 | #endif /* !NO_GETKEYBOARDSTATE */ |
| 289 | } |
| 290 | |
| 291 | /* The main Win32 event handler |
| 292 | DJM: This is no longer static as (DX5/DIB)_CreateWindow needs it |
| 293 | */ |
| 294 | LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| 295 | { |
| 296 | SDL_VideoDevice *this = current_video; |
| 297 | static int mouse_pressed = 0; |
| 298 | #ifdef WMMSG_DEBUG |
| 299 | fprintf(stderr, "Received windows message: "); |
| 300 | if ( msg > MAX_WMMSG ) { |
| 301 | fprintf(stderr, "%d", msg); |
| 302 | } else { |
| 303 | fprintf(stderr, "%s", wmtab[msg]); |
| 304 | } |
| 305 | fprintf(stderr, " -- 0x%X, 0x%X\n", wParam, lParam); |
| 306 | #endif |
| 307 | switch (msg) { |
| 308 | |
| 309 | case WM_ACTIVATE: { |
| 310 | SDL_VideoDevice *this = current_video; |
| 311 | BOOL active, minimized; |
| 312 | Uint8 appstate; |
| 313 | |
| 314 | minimized = HIWORD(wParam); |
| 315 | active = (LOWORD(wParam) != WA_INACTIVE) && !minimized; |
| 316 | if ( active ) { |
| 317 | /* Gain the following states */ |
| 318 | appstate = SDL_APPACTIVE|SDL_APPINPUTFOCUS; |
| 319 | if ( this->input_grab != SDL_GRAB_OFF ) { |
| 320 | WIN_GrabInput(this, SDL_GRAB_ON); |
| 321 | } |
| 322 | if ( !(SDL_GetAppState()&SDL_APPINPUTFOCUS) ) { |
| 323 | if ( ! DDRAW_FULLSCREEN() ) { |
| 324 | DIB_SwapGamma(this); |
| 325 | } |
| 326 | if ( WINDIB_FULLSCREEN() ) { |
| 327 | SDL_RestoreGameMode(); |
| 328 | } |
| 329 | } |
| 330 | #if defined(_WIN32_WCE) |
| 331 | if ( WINDIB_FULLSCREEN() ) { |
| 332 | LoadAygshell(); |
| 333 | if( SHFullScreen ) |
| 334 | SHFullScreen(SDL_Window, SHFS_HIDESTARTICON|SHFS_HIDETASKBAR|SHFS_HIDESIPBUTTON); |
| 335 | else |
| 336 | ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_HIDE); |
| 337 | } |
| 338 | #endif |
| 339 | posted = SDL_PrivateAppActive(1, appstate); |
| 340 | WIN_GetKeyboardState(); |
| 341 | } else { |
| 342 | /* Lose the following states */ |
| 343 | appstate = SDL_APPINPUTFOCUS; |
| 344 | if ( minimized ) { |
| 345 | appstate |= SDL_APPACTIVE; |
| 346 | } |
| 347 | if ( this->input_grab != SDL_GRAB_OFF ) { |
| 348 | WIN_GrabInput(this, SDL_GRAB_OFF); |
| 349 | } |
| 350 | if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { |
| 351 | if ( ! DDRAW_FULLSCREEN() ) { |
| 352 | DIB_SwapGamma(this); |
| 353 | } |
| 354 | if ( WINDIB_FULLSCREEN() ) { |
| 355 | SDL_RestoreDesktopMode(); |
| 356 | #if defined(_WIN32_WCE) |
| 357 | LoadAygshell(); |
| 358 | if( SHFullScreen ) |
| 359 | SHFullScreen(SDL_Window, SHFS_SHOWSTARTICON|SHFS_SHOWTASKBAR|SHFS_SHOWSIPBUTTON); |
| 360 | else |
| 361 | ShowWindow(FindWindow(TEXT("HHTaskBar"),NULL),SW_SHOW); |
| 362 | #endif |
| 363 | } |
| 364 | } |
| 365 | posted = SDL_PrivateAppActive(0, appstate); |
| 366 | } |
| 367 | WIN_Activate(this, active, minimized); |
| 368 | return(0); |
| 369 | } |
| 370 | break; |
| 371 | |
| 372 | case WM_MOUSEMOVE: { |
| 373 | |
| 374 | #ifdef WM_MOUSELEAVE |
| 375 | /* No need to handle SDL_APPMOUSEFOCUS when fullscreen */ |
| 376 | if ( SDL_VideoSurface && !FULLSCREEN() ) { |
| 377 | /* mouse has entered the window */ |
| 378 | |
| 379 | if ( !(SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) { |
| 380 | TRACKMOUSEEVENT tme; |
| 381 | |
| 382 | tme.cbSize = sizeof(tme); |
| 383 | tme.dwFlags = TME_LEAVE; |
| 384 | tme.hwndTrack = SDL_Window; |
| 385 | _TrackMouseEvent(&tme); |
| 386 | } |
| 387 | } |
| 388 | #endif /* WM_MOUSELEAVE */ |
| 389 | |
| 390 | /* Mouse motion is handled in DIB_PumpEvents or |
| 391 | * DX5_PumpEvents, depending on the video driver |
| 392 | * in use */ |
| 393 | |
| 394 | posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
| 395 | } |
| 396 | return(0); |
| 397 | |
| 398 | #ifdef WM_MOUSELEAVE |
| 399 | case WM_MOUSELEAVE: { |
| 400 | |
| 401 | /* No need to handle SDL_APPMOUSEFOCUS when fullscreen */ |
| 402 | if ( SDL_VideoSurface && !FULLSCREEN() ) { |
| 403 | /* mouse has left the window */ |
| 404 | /* or */ |
| 405 | /* Elvis has left the building! */ |
| 406 | posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
| 407 | } |
| 408 | } |
| 409 | return(0); |
| 410 | #endif /* WM_MOUSELEAVE */ |
| 411 | |
| 412 | case WM_LBUTTONDOWN: |
| 413 | case WM_LBUTTONUP: |
| 414 | case WM_MBUTTONDOWN: |
| 415 | case WM_MBUTTONUP: |
| 416 | case WM_RBUTTONDOWN: |
| 417 | case WM_RBUTTONUP: |
| 418 | case WM_XBUTTONDOWN: |
| 419 | case WM_XBUTTONUP: { |
| 420 | /* Mouse is handled by DirectInput when fullscreen */ |
| 421 | if ( SDL_VideoSurface && ! DINPUT() ) { |
| 422 | WORD xbuttonval = 0; |
| 423 | Uint8 button, state; |
| 424 | |
| 425 | /* DJM: |
| 426 | We want the SDL window to take focus so that |
| 427 | it acts like a normal windows "component" |
| 428 | (e.g. gains keyboard focus on a mouse click). |
| 429 | */ |
| 430 | SetFocus(SDL_Window); |
| 431 | |
| 432 | /* Figure out which button to use */ |
| 433 | switch (msg) { |
| 434 | case WM_LBUTTONDOWN: |
| 435 | button = SDL_BUTTON_LEFT; |
| 436 | state = SDL_PRESSED; |
| 437 | break; |
| 438 | case WM_LBUTTONUP: |
| 439 | button = SDL_BUTTON_LEFT; |
| 440 | state = SDL_RELEASED; |
| 441 | break; |
| 442 | case WM_MBUTTONDOWN: |
| 443 | button = SDL_BUTTON_MIDDLE; |
| 444 | state = SDL_PRESSED; |
| 445 | break; |
| 446 | case WM_MBUTTONUP: |
| 447 | button = SDL_BUTTON_MIDDLE; |
| 448 | state = SDL_RELEASED; |
| 449 | break; |
| 450 | case WM_RBUTTONDOWN: |
| 451 | button = SDL_BUTTON_RIGHT; |
| 452 | state = SDL_PRESSED; |
| 453 | break; |
| 454 | case WM_RBUTTONUP: |
| 455 | button = SDL_BUTTON_RIGHT; |
| 456 | state = SDL_RELEASED; |
| 457 | break; |
| 458 | case WM_XBUTTONDOWN: |
| 459 | xbuttonval = GET_XBUTTON_WPARAM(wParam); |
| 460 | button = SDL_BUTTON_X1 + xbuttonval - 1; |
| 461 | state = SDL_PRESSED; |
| 462 | break; |
| 463 | case WM_XBUTTONUP: |
| 464 | xbuttonval = GET_XBUTTON_WPARAM(wParam); |
| 465 | button = SDL_BUTTON_X1 + xbuttonval - 1; |
| 466 | state = SDL_RELEASED; |
| 467 | break; |
| 468 | default: |
| 469 | /* Eh? Unknown button? */ |
| 470 | return(0); |
| 471 | } |
| 472 | if ( state == SDL_PRESSED ) { |
| 473 | /* Grab mouse so we get up events */ |
| 474 | if ( ++mouse_pressed > 0 ) { |
| 475 | SetCapture(hwnd); |
| 476 | } |
| 477 | } else { |
| 478 | /* Release mouse after all up events */ |
| 479 | if ( --mouse_pressed <= 0 ) { |
| 480 | ReleaseCapture(); |
| 481 | mouse_pressed = 0; |
| 482 | } |
| 483 | } |
| 484 | posted = SDL_PrivateMouseButton( |
| 485 | state, button, 0, 0); |
| 486 | |
| 487 | /* |
| 488 | * MSDN says: |
| 489 | * "Unlike the WM_LBUTTONUP, WM_MBUTTONUP, and WM_RBUTTONUP |
| 490 | * messages, an application should return TRUE from [an |
| 491 | * XBUTTON message] if it processes it. Doing so will allow |
| 492 | * software that simulates this message on Microsoft Windows |
| 493 | * systems earlier than Windows 2000 to determine whether |
| 494 | * the window procedure processed the message or called |
| 495 | * DefWindowProc to process it. |
| 496 | */ |
| 497 | if (xbuttonval > 0) |
| 498 | return(TRUE); |
| 499 | } |
| 500 | } |
| 501 | return(0); |
| 502 | |
| 503 | |
| 504 | #if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400) |
| 505 | case WM_MOUSEWHEEL: |
| 506 | if ( SDL_VideoSurface && ! DINPUT() ) { |
| 507 | int move = (short)HIWORD(wParam); |
| 508 | if ( move ) { |
| 509 | Uint8 button; |
| 510 | if ( move > 0 ) |
| 511 | button = SDL_BUTTON_WHEELUP; |
| 512 | else |
| 513 | button = SDL_BUTTON_WHEELDOWN; |
| 514 | posted = SDL_PrivateMouseButton( |
| 515 | SDL_PRESSED, button, 0, 0); |
| 516 | posted |= SDL_PrivateMouseButton( |
| 517 | SDL_RELEASED, button, 0, 0); |
| 518 | } |
| 519 | } |
| 520 | return(0); |
| 521 | #endif |
| 522 | |
| 523 | #ifdef WM_GETMINMAXINFO |
| 524 | /* This message is sent as a way for us to "check" the values |
| 525 | * of a position change. If we don't like it, we can adjust |
| 526 | * the values before they are changed. |
| 527 | */ |
| 528 | case WM_GETMINMAXINFO: { |
| 529 | MINMAXINFO *info; |
| 530 | RECT size; |
| 531 | int x, y; |
| 532 | int style; |
| 533 | int width; |
| 534 | int height; |
| 535 | |
| 536 | /* We don't want to clobber an internal resize */ |
| 537 | if ( SDL_resizing ) |
| 538 | return(0); |
| 539 | |
| 540 | /* We allow resizing with the SDL_RESIZABLE flag */ |
| 541 | if ( SDL_PublicSurface && |
| 542 | (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { |
| 543 | return(0); |
| 544 | } |
| 545 | |
| 546 | /* Get the current position of our window */ |
| 547 | GetWindowRect(SDL_Window, &size); |
| 548 | x = size.left; |
| 549 | y = size.top; |
| 550 | |
| 551 | /* Calculate current width and height of our window */ |
| 552 | size.top = 0; |
| 553 | size.left = 0; |
| 554 | if ( SDL_PublicSurface != NULL ) { |
| 555 | size.bottom = SDL_PublicSurface->h; |
| 556 | size.right = SDL_PublicSurface->w; |
| 557 | } else { |
| 558 | size.bottom = 0; |
| 559 | size.right = 0; |
| 560 | } |
| 561 | |
| 562 | /* DJM - according to the docs for GetMenu(), the |
| 563 | return value is undefined if hwnd is a child window. |
| 564 | Aparently it's too difficult for MS to check |
| 565 | inside their function, so I have to do it here. |
| 566 | */ |
| 567 | style = GetWindowLong(hwnd, GWL_STYLE); |
| 568 | AdjustWindowRect( |
| 569 | &size, |
| 570 | style, |
| 571 | style & WS_CHILDWINDOW ? FALSE |
| 572 | : GetMenu(hwnd) != NULL); |
| 573 | |
| 574 | width = size.right - size.left; |
| 575 | height = size.bottom - size.top; |
| 576 | |
| 577 | /* Fix our size to the current size */ |
| 578 | info = (MINMAXINFO *)lParam; |
| 579 | info->ptMaxSize.x = width; |
| 580 | info->ptMaxSize.y = height; |
| 581 | info->ptMaxPosition.x = x; |
| 582 | info->ptMaxPosition.y = y; |
| 583 | info->ptMinTrackSize.x = width; |
| 584 | info->ptMinTrackSize.y = height; |
| 585 | info->ptMaxTrackSize.x = width; |
| 586 | info->ptMaxTrackSize.y = height; |
| 587 | } |
| 588 | return(0); |
| 589 | #endif /* WM_GETMINMAXINFO */ |
| 590 | |
| 591 | case WM_WINDOWPOSCHANGING: { |
| 592 | WINDOWPOS *windowpos = (WINDOWPOS*)lParam; |
| 593 | |
| 594 | /* When menu is at the side or top, Windows likes |
| 595 | to try to reposition the fullscreen window when |
| 596 | changing video modes. |
| 597 | */ |
| 598 | if ( !SDL_resizing && |
| 599 | SDL_PublicSurface && |
| 600 | (SDL_PublicSurface->flags & SDL_FULLSCREEN) ) { |
| 601 | windowpos->x = 0; |
| 602 | windowpos->y = 0; |
| 603 | } |
| 604 | } |
| 605 | return(0); |
| 606 | |
| 607 | case WM_WINDOWPOSCHANGED: { |
| 608 | SDL_VideoDevice *this = current_video; |
| 609 | int w, h; |
| 610 | |
| 611 | GetClientRect(SDL_Window, &SDL_bounds); |
| 612 | ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds); |
| 613 | ClientToScreen(SDL_Window, (LPPOINT)&SDL_bounds+1); |
| 614 | if ( !SDL_resizing && !IsZoomed(SDL_Window) && |
| 615 | SDL_PublicSurface && |
| 616 | !(SDL_PublicSurface->flags & SDL_FULLSCREEN) ) { |
| 617 | SDL_windowX = SDL_bounds.left; |
| 618 | SDL_windowY = SDL_bounds.top; |
| 619 | } |
| 620 | w = SDL_bounds.right-SDL_bounds.left; |
| 621 | h = SDL_bounds.bottom-SDL_bounds.top; |
| 622 | if ( this->input_grab != SDL_GRAB_OFF ) { |
| 623 | ClipCursor(&SDL_bounds); |
| 624 | } |
| 625 | if ( SDL_PublicSurface && |
| 626 | (SDL_PublicSurface->flags & SDL_RESIZABLE) ) { |
| 627 | SDL_PrivateResize(w, h); |
| 628 | } |
| 629 | } |
| 630 | break; |
| 631 | |
| 632 | /* We need to set the cursor */ |
| 633 | case WM_SETCURSOR: { |
| 634 | Uint16 hittest; |
| 635 | |
| 636 | hittest = LOWORD(lParam); |
| 637 | if ( hittest == HTCLIENT ) { |
| 638 | SetCursor(SDL_hcursor); |
| 639 | return(TRUE); |
| 640 | } |
| 641 | } |
| 642 | break; |
| 643 | |
| 644 | /* We are about to get palette focus! */ |
| 645 | case WM_QUERYNEWPALETTE: { |
| 646 | WIN_RealizePalette(current_video); |
| 647 | return(TRUE); |
| 648 | } |
| 649 | break; |
| 650 | |
| 651 | /* Another application changed the palette */ |
| 652 | case WM_PALETTECHANGED: { |
| 653 | WIN_PaletteChanged(current_video, (HWND)wParam); |
| 654 | } |
| 655 | break; |
| 656 | |
| 657 | /* We were occluded, refresh our display */ |
| 658 | case WM_PAINT: { |
| 659 | HDC hdc; |
| 660 | PAINTSTRUCT ps; |
| 661 | |
| 662 | hdc = BeginPaint(SDL_Window, &ps); |
| 663 | if ( current_video->screen && |
| 664 | !(current_video->screen->flags & SDL_OPENGL) ) { |
| 665 | WIN_WinPAINT(current_video, hdc); |
| 666 | } |
| 667 | EndPaint(SDL_Window, &ps); |
| 668 | } |
| 669 | return(0); |
| 670 | |
| 671 | /* DJM: Send an expose event in this case */ |
| 672 | case WM_ERASEBKGND: { |
| 673 | posted = SDL_PrivateExpose(); |
| 674 | } |
| 675 | return(0); |
| 676 | |
| 677 | case WM_CLOSE: { |
| 678 | if ( (posted = SDL_PrivateQuit()) ) |
| 679 | PostQuitMessage(0); |
| 680 | } |
| 681 | return(0); |
| 682 | |
| 683 | case WM_DESTROY: { |
| 684 | PostQuitMessage(0); |
| 685 | } |
| 686 | return(0); |
| 687 | |
| 688 | #ifndef NO_GETKEYBOARDSTATE |
| 689 | case WM_INPUTLANGCHANGE: { |
| 690 | codepage = GetCodePage(); |
| 691 | } |
| 692 | return(TRUE); |
| 693 | #endif |
| 694 | |
| 695 | default: { |
| 696 | /* Special handling by the video driver */ |
| 697 | if (HandleMessage) { |
| 698 | return(HandleMessage(current_video, |
| 699 | hwnd, msg, wParam, lParam)); |
| 700 | } |
| 701 | } |
| 702 | break; |
| 703 | } |
| 704 | return(DefWindowProc(hwnd, msg, wParam, lParam)); |
| 705 | } |
| 706 | |
| 707 | /* Allow the application handle to be stored and retrieved later */ |
| 708 | static void *SDL_handle = NULL; |
| 709 | |
| 710 | void SDL_SetModuleHandle(void *handle) |
| 711 | { |
| 712 | SDL_handle = handle; |
| 713 | } |
| 714 | void *SDL_GetModuleHandle(void) |
| 715 | { |
| 716 | void *handle; |
| 717 | |
| 718 | if ( SDL_handle ) { |
| 719 | handle = SDL_handle; |
| 720 | } else { |
| 721 | handle = GetModuleHandle(NULL); |
| 722 | } |
| 723 | return(handle); |
| 724 | } |
| 725 | |
| 726 | /* This allows the SDL_WINDOWID hack */ |
| 727 | BOOL SDL_windowid = FALSE; |
| 728 | |
| 729 | static int app_registered = 0; |
| 730 | |
| 731 | /* Register the class for this application -- exported for winmain.c */ |
| 732 | int SDL_RegisterApp(char *name, Uint32 style, void *hInst) |
| 733 | { |
| 734 | WNDCLASS class; |
| 735 | #ifdef WM_MOUSELEAVE |
| 736 | HMODULE handle; |
| 737 | #endif |
| 738 | |
| 739 | /* Only do this once... */ |
| 740 | if ( app_registered ) { |
| 741 | ++app_registered; |
| 742 | return(0); |
| 743 | } |
| 744 | |
| 745 | #ifndef CS_BYTEALIGNCLIENT |
| 746 | #define CS_BYTEALIGNCLIENT 0 |
| 747 | #endif |
| 748 | if ( ! name && ! SDL_Appname ) { |
| 749 | name = "SDL_app"; |
| 750 | SDL_Appstyle = CS_BYTEALIGNCLIENT; |
| 751 | SDL_Instance = hInst ? hInst : SDL_GetModuleHandle(); |
| 752 | } |
| 753 | |
| 754 | if ( name ) { |
| 755 | #ifdef _WIN32_WCE |
| 756 | /* WinCE uses the UNICODE version */ |
| 757 | SDL_Appname = SDL_iconv_utf8_ucs2(name); |
| 758 | #else |
| 759 | SDL_Appname = SDL_iconv_utf8_locale(name); |
| 760 | #endif /* _WIN32_WCE */ |
| 761 | SDL_Appstyle = style; |
| 762 | SDL_Instance = hInst ? hInst : SDL_GetModuleHandle(); |
| 763 | } |
| 764 | |
| 765 | /* Register the application class */ |
| 766 | class.hCursor = NULL; |
| 767 | class.hIcon = LoadImage(SDL_Instance, SDL_Appname, |
| 768 | IMAGE_ICON, |
| 769 | 0, 0, LR_DEFAULTCOLOR); |
| 770 | class.lpszMenuName = NULL; |
| 771 | class.lpszClassName = SDL_Appname; |
| 772 | class.hbrBackground = NULL; |
| 773 | class.hInstance = SDL_Instance; |
| 774 | class.style = SDL_Appstyle; |
| 775 | #if SDL_VIDEO_OPENGL |
| 776 | class.style |= CS_OWNDC; |
| 777 | #endif |
| 778 | class.lpfnWndProc = WinMessage; |
| 779 | class.cbWndExtra = 0; |
| 780 | class.cbClsExtra = 0; |
| 781 | if ( ! RegisterClass(&class) ) { |
| 782 | SDL_SetError("Couldn't register application class"); |
| 783 | return(-1); |
| 784 | } |
| 785 | |
| 786 | #ifdef WM_MOUSELEAVE |
| 787 | /* Get the version of TrackMouseEvent() we use */ |
| 788 | _TrackMouseEvent = NULL; |
| 789 | handle = GetModuleHandle("USER32.DLL"); |
| 790 | if ( handle ) { |
| 791 | _TrackMouseEvent = (BOOL (WINAPI *)(TRACKMOUSEEVENT *))GetProcAddress(handle, "TrackMouseEvent"); |
| 792 | } |
| 793 | if ( _TrackMouseEvent == NULL ) { |
| 794 | _TrackMouseEvent = WIN_TrackMouseEvent; |
| 795 | } |
| 796 | #endif /* WM_MOUSELEAVE */ |
| 797 | |
| 798 | #ifndef NO_GETKEYBOARDSTATE |
| 799 | /* Initialise variables for SDL_ToUnicode() */ |
| 800 | codepage = GetCodePage(); |
| 801 | SDL_ToUnicode = Is9xME() ? ToUnicode9xME : ToUnicode; |
| 802 | #endif |
| 803 | |
| 804 | app_registered = 1; |
| 805 | return(0); |
| 806 | } |
| 807 | |
| 808 | /* Unregisters the windowclass registered in SDL_RegisterApp above. */ |
| 809 | void SDL_UnregisterApp() |
| 810 | { |
| 811 | WNDCLASS class; |
| 812 | |
| 813 | /* SDL_RegisterApp might not have been called before */ |
| 814 | if ( !app_registered ) { |
| 815 | return; |
| 816 | } |
| 817 | --app_registered; |
| 818 | if ( app_registered == 0 ) { |
| 819 | /* Check for any registered window classes. */ |
| 820 | if ( GetClassInfo(SDL_Instance, SDL_Appname, &class) ) { |
| 821 | UnregisterClass(SDL_Appname, SDL_Instance); |
| 822 | } |
| 823 | SDL_free(SDL_Appname); |
| 824 | SDL_Appname = NULL; |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | #ifndef NO_GETKEYBOARDSTATE |
| 829 | /* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */ |
| 830 | |
| 831 | static int Is9xME() |
| 832 | { |
| 833 | OSVERSIONINFO info; |
| 834 | |
| 835 | SDL_memset(&info, 0, sizeof(info)); |
| 836 | info.dwOSVersionInfoSize = sizeof(info); |
| 837 | if (!GetVersionEx(&info)) { |
| 838 | return 0; |
| 839 | } |
| 840 | return (info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS); |
| 841 | } |
| 842 | |
| 843 | static int GetCodePage() |
| 844 | { |
| 845 | char buff[8]; |
| 846 | int lcid = MAKELCID(LOWORD(GetKeyboardLayout(0)), SORT_DEFAULT); |
| 847 | int cp = GetACP(); |
| 848 | |
| 849 | if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof(buff))) { |
| 850 | cp = SDL_atoi(buff); |
| 851 | } |
| 852 | return cp; |
| 853 | } |
| 854 | |
| 855 | static int WINAPI ToUnicode9xME(UINT vkey, UINT scancode, PBYTE keystate, LPWSTR wchars, int wsize, UINT flags) |
| 856 | { |
| 857 | BYTE chars[2]; |
| 858 | |
| 859 | if (ToAsciiEx(vkey, scancode, keystate, (WORD*)chars, 0, GetKeyboardLayout(0)) == 1) { |
| 860 | return MultiByteToWideChar(codepage, 0, chars, 1, wchars, wsize); |
| 861 | } |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | #endif /* !NO_GETKEYBOARDSTATE */ |